99
5 5 4 4 3 3 2 2 1 1 D D C C B B A A Title : Size : Document Number : Rev : Date: Sheet : of Project Name : 2.10 01 99 Monday, June 14, 2010 TITLE PAGE NOZOMI-3 SWG SDV2 Title : Size : Document Number : Rev : Date: Sheet : of Project Name : 2.10 01 99 Monday, June 14, 2010 TITLE PAGE NOZOMI-3 SWG SDV2 Title : Size : Document Number : Rev : Date: Sheet : of Project Name : 2.10 01 99 Monday, June 14, 2010 TITLE PAGE NOZOMI-3 SWG SDV2 NOZOMI-3 SWG SDV2 LOGIC SCHEMATICS 1.TITLE PAGE 2.EC HISTORY 3.CPU(1/8) : DMI/EDP/PEG/FDI 4.CPU(2/8) : CLK/MISC/JTAG 5.CPU(3/8) : DDR3 CHANNEL- A 6.CPU(4/8) : DDR3 CHANNEL- B 7.CPU(5/8) : PROCESSOR POWER 8.CPU(6/8) : GRAPHICS POWER 9.CPU(7/8) : GND 10.CPU(8/8) : CFG/RESERVED 11.XDP CONNECTOR 12.DDR3 SO DIMM CHANNEL-A 13.DDR3 SO DIMM CHANNEL-B 14.DDR3 DECOUPLING 15.N12M-NS(1/6) : PEG I/F 16.N12M-NS(2/6) : DIGITAL OUT I/F 17.N12M-NS(3/6) : VRAM I/F 18.N12M-NS(4/6) : GPIO 19.N12M-NS(5/6) : POWER 20.N12M-NS(6/6) : GND 21.VRAM CHANNEL-A 22.DYNAMIC MEMORY TERMINATION 23.PCH(1/9) : HDA/JTAG/SPI/SATA 24.PCH(2/9) : PCI-E/SMBUS/CLK 25.PCH(3/9) : DMI/FDI/PM 26.PCH(4/9) : LVDS/CRT/DDI 27.PCH(5/9) : PCI/USB/NVRAM 28.PCH(6/9) : GPIO/NCTF/RSVD 29.PCH(7/9) : POWER 30.PCH(8/9) : POWER 31.PCH(9/9) : GND 32.LCD CONNECTOR 33.RGB SWITCH 34.EXT CRT INTERFACE 35.DISPLAY PORT CONNECTOR 36.LVDS SWITCH 37.DISPLAY PORT MUX 38.RTC BATTERY 39.SATA HDD CONN 40.SATA BAY I/F CONN 41.ESATA CONNECTOR 42.USB POWER/CONN 43.AUDIO CX20672-11Z 44.AUDIO CONNECTOR 45.AUDIO JACK SENSE 46.AUDIO EXT MIC I/F 47.AUDIO SPEAKER 48.AUDIO BEEP 49.MDC CONNECTOR 50.GBE LEWISVILLE 51.GBE LAN SWITCH 52.GBE MAGNETICS 53.RJ45 CONNECTOR 54.PCIE MINI CARD SLOT 55.1394/MEDIA CARD CONTROLLER 56.MEDIA CARD INTERFACE 57.EXPRESS CARD/SMART CARD I/F 58.SLOT POWER CONTROL 59.SPI FLASH 60.DOCKING CONNECTOR 61.H8S/2113 (1/2) 62.H8S/2113 (2/2) 63.KEYBOARD CONNECTOR 64.TOUCH PAD CONNECTOR 65.WIRELESS DISABLE SW 66.FAN CONNECTOR 67.G-SENSOR 68.THINKER-1 69.TPM 70.THERMAL SENSOR 71.EEPROM/SMBUS SW 72.DC-IN 73.BATTERY INPUT 74.BATTERY CHARGER(BQ24742) 75.CHARGE SELECTOR 76.BATTERY MONITOR 77.POWER SEQUENCE 78.DC/DC VCC5M/VCC3M(TPS51220ARSNR) 79.DC/DC VCCCPUCORE(VT1316/VT1317) 80.BLANK NZM3H-2 VER 2.10 JUNE/08/2010 BASE LOGIC :NZM3 SWG SDV VER 1.22 APR/26/2010 81.DC/DC VCCGFXCORE_I(VT1317) 82.VCCCPUCORE DECOUPLING 83.DC/DC VCCGFXCORE_D(ADP3211) 84.DC/DC VCC1R05B_VTT(VT357) 85.DC/DC VCC1R05LAN(VT356) 86.DC/DC VCC1R5A(VT357) 87.DC/DC VCC0R75B(MAX1510) 88.DC/DC VCC1R5VIDEO(BD9139) 89.DC/DC VCC1R8B(TPS62290) 90.DC/DC VCCSA(VT356) 91.DC/DC RINKAN-2 92.LOAD SW LAN 93.LOAD SW VIDEO 94.LOAD SW AMT/ MEPWRG 95.LOAD SW B 96.LOAD SW VCC5MUBAY 99.BLANK 98.PTH FOR SCREW HOLES 97.LOAD SW WAN & WLAN C NZM3_SWG_SDV2_EC003 NZM3_SWG_SDV2_EC003 NZM3_SWG_SDV2_EC066 NZM3_SWG_SDV2_EC077 NZM3_SWG_SDV2_EC077 NZM3_SWG_SDV2_EC077 NZM3_SWG_SDV2_EC077 NZM3_SWG_SDV2_EC077 NZM3_SWG_SDV2_EC077 www.qdzbwx.com

Lenovo Thinkpad T420 Schematics

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Page 1: Lenovo Thinkpad T420 Schematics

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Title :

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01 99Monday, June 14, 2010

TITLE PAGENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

01 99Monday, June 14, 2010

TITLE PAGENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

01 99Monday, June 14, 2010

TITLE PAGENOZOMI-3 SWG SDV2

NOZOMI-3 SWG SDV2 LOGIC SCHEMATICS1.TITLE PAGE2.EC HISTORY3.CPU(1/8) : DMI/EDP/PEG/FDI4.CPU(2/8) : CLK/MISC/JTAG5.CPU(3/8) : DDR3 CHANNEL- A6.CPU(4/8) : DDR3 CHANNEL- B7.CPU(5/8) : PROCESSOR POWER8.CPU(6/8) : GRAPHICS POWER9.CPU(7/8) : GND

10.CPU(8/8) : CFG/RESERVED 11.XDP CONNECTOR12.DDR3 SO DIMM CHANNEL-A13.DDR3 SO DIMM CHANNEL-B14.DDR3 DECOUPLING15.N12M-NS(1/6) : PEG I/F16.N12M-NS(2/6) : DIGITAL OUT I/F17.N12M-NS(3/6) : VRAM I/F18.N12M-NS(4/6) : GPIO19.N12M-NS(5/6) : POWER20.N12M-NS(6/6) : GND21.VRAM CHANNEL-A22.DYNAMIC MEMORY TERMINATION23.PCH(1/9) : HDA/JTAG/SPI/SATA24.PCH(2/9) : PCI-E/SMBUS/CLK25.PCH(3/9) : DMI/FDI/PM26.PCH(4/9) : LVDS/CRT/DDI27.PCH(5/9) : PCI/USB/NVRAM28.PCH(6/9) : GPIO/NCTF/RSVD29.PCH(7/9) : POWER30.PCH(8/9) : POWER31.PCH(9/9) : GND32.LCD CONNECTOR33.RGB SWITCH34.EXT CRT INTERFACE

35.DISPLAY PORT CONNECTOR36.LVDS SWITCH37.DISPLAY PORT MUX38.RTC BATTERY39.SATA HDD CONN40.SATA BAY I/F CONN41.ESATA CONNECTOR42.USB POWER/CONN43.AUDIO CX20672-11Z44.AUDIO CONNECTOR45.AUDIO JACK SENSE46.AUDIO EXT MIC I/F47.AUDIO SPEAKER48.AUDIO BEEP49.MDC CONNECTOR50.GBE LEWISVILLE51.GBE LAN SWITCH52.GBE MAGNETICS53.RJ45 CONNECTOR54.PCIE MINI CARD SLOT55.1394/MEDIA CARD CONTROLLER56.MEDIA CARD INTERFACE57.EXPRESS CARD/SMART CARD I/F58.SLOT POWER CONTROL59.SPI FLASH60.DOCKING CONNECTOR61.H8S/2113 (1/2)62.H8S/2113 (2/2)63.KEYBOARD CONNECTOR64.TOUCH PAD CONNECTOR65.WIRELESS DISABLE SW66.FAN CONNECTOR67.G-SENSOR68.THINKER-169.TPM

70.THERMAL SENSOR71.EEPROM/SMBUS SW72.DC-IN73.BATTERY INPUT74.BATTERY CHARGER(BQ24742)75.CHARGE SELECTOR76.BATTERY MONITOR77.POWER SEQUENCE78.DC/DC VCC5M/VCC3M(TPS51220ARSNR)79.DC/DC VCCCPUCORE(VT1316/VT1317)80.BLANK

NZM3H-2VER 2.10JUNE/08/2010

BASE LOGIC :NZM3 SWG SDVVER 1.22APR/26/2010

81.DC/DC VCCGFXCORE_I(VT1317)82.VCCCPUCORE DECOUPLING83.DC/DC VCCGFXCORE_D(ADP3211)84.DC/DC VCC1R05B_VTT(VT357)85.DC/DC VCC1R05LAN(VT356)86.DC/DC VCC1R5A(VT357)87.DC/DC VCC0R75B(MAX1510)88.DC/DC VCC1R5VIDEO(BD9139)89.DC/DC VCC1R8B(TPS62290)90.DC/DC VCCSA(VT356)91.DC/DC RINKAN-292.LOAD SW LAN93.LOAD SW VIDEO94.LOAD SW AMT/ MEPWRG95.LOAD SW B96.LOAD SW VCC5MUBAY

99.BLANK98.PTH FOR SCREW HOLES97.LOAD SW WAN & WLAN

C

NZM3_SWG_SDV2_EC003

NZM3_SWG_SDV2_EC003

NZM3_SWG_SDV2_EC066

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC077

www.qdzbwx.com

Page 2: Lenovo Thinkpad T420 Schematics

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Title :

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2.10

02 99Monday, June 14, 2010

EC HISTORYNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

02 99Monday, June 14, 2010

EC HISTORYNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

02 99Monday, June 14, 2010

EC HISTORYNOZOMI-3 SWG SDV2

C

EC HISTORYNOZOMI-3 PRE-DV :BASE LOGIC NZM1 EXT 512MB SIT VER.7.03 12/01/2009

NOZOMI-3 SDV :BASE LOGIC NZM3 PRE-DV VER.0.32 02/04/2010VER.1.00 02/05/2010 APPLIED SDV_EC001-004VER.1.01 02/08/2010 APPLIED SDV_EC005-007VER.1.02 02/09/2010 APPLIED SDV_EC010VER.1.03 02/10/2010 APPLIED SDV_EC011-013VER.1.04 02/15/2010 APPLIED SDV_EC014VER.1.05 02/16/2010 APPLIED SDV_EC015-019VER.1.06 02/17/2010 APPLIED SDV_EC020-022VER.1.07 02/18/2010 APPLIED SDV_EC024,025,027VER.1.08 02/19/2010 APPLIED SDV_EC028,030-032VER.1.09 02/22/2010 APPLIED SDV_EC033-035VER.1.10 02/23/2010 APPLIED SDV_EC036-038

VER.0.01 12/10/2009 APPLIED PDV_EC001VER.0.02 12/14/2009 APPLIED PDV_EC002-012VER.0.03 12/15/2009 APPLIED PDV_EC013-025VER.0.04 12/16/2009 APPLIED PDV_EC026-033VER.0.05 12/17/2009 APPLIED PDV_EC034-038VER.0.06 12/18/2009 APPLIED PDV_EC039-041,043-45,047-054VER.0.07 12/21/2009 APPLIED PDV_EC042,046,055-066VER.0.08 12/22/2009 APPLIED PDV_EC067-080VER.0.09 12/24/2009 APPLIED PDV_EC081-085VER.0.10 12/25/2009 APPLIED PDV_EC086-089VER.0.11 12/28/2009 APPLIED PDV_EC090-095VER.0.12 01/06/2010 APPLIED PDV_EC096-112VER.0.13 01/07/2010 APPLIED PDV_EC113-120VER.0.14 01/08/2010 APPLIED PDV_EC121VER.0.15 01/12/2010 APPLIED PDV_EC122VER.0.16 01/13/2010 APPLIED PDV_EC123-125VER.0.17 01/14/2010 APPLIED PDV_EC126-128,130VER.0.18 01/15/2010 APPLIED PDV_EC131-133VER.0.19 01/18/2010 APPLIED PDV_EC134-137

VER.0.20 01/19/2010 APPLIED PDV_EC138VER.0.21 01/20/2010 APPLIED PDV_EC139,140VER.0.22 01/21/2010 APPLIED PDV_EC141-146VER.0.23 01/22/2010 APPLIED PDV_EC147,148VER.0.24 01/25/2010 APPLIED PDV_EC149-160VER.0.25 01/26/2010 APPLIED PDV_EC162-168VER.0.26 01/27/2010 APPLIED PDV_EC169-176VER.0.27 01/28/2010 APPLIED PDV_EC177-179VER.0.28 01/29/2010 APPLIED PDV_EC180VER.0.29 02/01/2010 APPLIED PDV_EC181-189VER.0.30 02/02/2010 APPLIED PDV_EC190-193VER.0.31 02/03/2010 APPLIED PDV_EC194-197VER.0.32 02/04/2010 APPLIED PDV_EC198-202

VER.1.11 03/18/2010 APPLIED SDV_EC045,046VER.1.12 03/19/2010 APPLIED SDV_EC040-043,CNV_EC061-066VER.1.13 03/22/2010 APPLIED SDV_EC048-052VER.1.14 03/24/2010 APPLIED SDV_EC053-059, ECR001-003VER.1.15 03/26/2010 APPLIED SDV_EC061 VER.1.16 04/1/2010 APPLIED SDV_EC065-075, except SDV_EC069, SDV_EC076-079VER.1.17 04/6/2010 APPLIED SDV_EC080-084, ECR004, ECR008 and ECR009VER.1.18 04/8/2010 APPLIED SDV_EC085-091, SDV_ECR010-013VER.1.19 04/13/2010 APPLIED SDV_EC092-094, change PCB footprint of all resistors from xxx to xxx-R, SDV_EC103 and EC047VER.1.20 04/16/2010 APPLIED SDV_EC105-110 and ECR023, ECR026 and ECR027VER.1.21 04/21/2010 APPLIED ECR028VER.1.22 04/26/2010 APPLIED EC111-113, EC115-117

NOZOMI-3 SWG SDV2 :BASE LOGIC NZM3 SWG SDV VER1.22 04/26/2010VER.2.00 04/28/2010 APPLIED NZM3_SWG_SDV2_EC003-021VER.2.01 04/30/2010 APPLIED NZM3_SWG_SDV2_EC022-033VER.2.02 05/04/2010 APPLIED NZM3_SWG_SDV2_EC035-061VER.2.03 05/07/2010 APPLIED NZM3_SWG_SDV2_EC062-065VER.2.04 05/12/2010 APPLIED NZM3_SWG_SDV2_EC066-071VER.2.05 05/13/2010 APPLIED NZM3_SWG_SDV2_EC072VER.2.06 05/21/2010 APPLIED NZM3_SWG_SDV2_EC073, EC076 and NZM3_SWG_SDV2_ECR001-003

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC077

VER.2.07 05/25/2010 APPLIED NZM3_SWG_SDV2_EC077,EC078, EC079, EC082, EC083, EC084, EC086, EC087, EC088, EC089 and EC095VER.2.08 06/02/2010 APPLIED NZM3_SWG_SDV2_EC096-EC100, EC104, EC106 and EC107VER.2.09 06/03/2010 APPLIED NZM3_SWG_SDV2_EC108-EC110VER.2.10 06/08/2010 APPLIED NZM3_SWG_SDV2_EC105

Page 3: Lenovo Thinkpad T420 Schematics

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5

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3

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2

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1

D D

C C

B B

A A

PCIE_GFX_RXP15PCIE_GFX_RXP14PCIE_GFX_RXP13PCIE_GFX_RXP12PCIE_GFX_RXP11PCIE_GFX_RXP10PCIE_GFX_RXP9PCIE_GFX_RXP8PCIE_GFX_RXP7PCIE_GFX_RXP6PCIE_GFX_RXP5PCIE_GFX_RXP4PCIE_GFX_RXP3PCIE_GFX_RXP2PCIE_GFX_RXP1PCIE_GFX_RXP0

PEG_COMP

PCIE_GFX_RXN15PCIE_GFX_RXN14PCIE_GFX_RXN13PCIE_GFX_RXN12PCIE_GFX_RXN11PCIE_GFX_RXN10PCIE_GFX_RXN9PCIE_GFX_RXN8PCIE_GFX_RXN7PCIE_GFX_RXN6PCIE_GFX_RXN5PCIE_GFX_RXN4PCIE_GFX_RXN3PCIE_GFX_RXN2PCIE_GFX_RXN1PCIE_GFX_RXN0

PCIE_GFX_TXN_C15PCIE_GFX_TXN_C14PCIE_GFX_TXN_C13PCIE_GFX_TXN_C12PCIE_GFX_TXN_C11PCIE_GFX_TXN_C10PCIE_GFX_TXN_C9

PCIE_GFX_TXN_C7PCIE_GFX_TXN_C8

PCIE_GFX_TXN_C5PCIE_GFX_TXN_C6

PCIE_GFX_TXN_C4PCIE_GFX_TXN_C3PCIE_GFX_TXN_C2PCIE_GFX_TXN_C1PCIE_GFX_TXN_C0

PCIE_GFX_TXN15

PCIE_GFX_TXN13

PCIE_GFX_TXN11

PCIE_GFX_TXN9

PCIE_GFX_TXN7

PCIE_GFX_TXN5

PCIE_GFX_TXN3

PCIE_GFX_TXN1

PCIE_GFX_TXN14

PCIE_GFX_TXN12

PCIE_GFX_TXN10

PCIE_GFX_TXN8

PCIE_GFX_TXN6

PCIE_GFX_TXN4

PCIE_GFX_TXN2

PCIE_GFX_TXN0

PCIE_GFX_TXP_C6

PCIE_GFX_TXP_C4PCIE_GFX_TXP_C3PCIE_GFX_TXP_C2PCIE_GFX_TXP_C1PCIE_GFX_TXP_C0

PCIE_GFX_TXP15

PCIE_GFX_TXP13

PCIE_GFX_TXP11

PCIE_GFX_TXP9

PCIE_GFX_TXP7

PCIE_GFX_TXP5

PCIE_GFX_TXP3

PCIE_GFX_TXP1

PCIE_GFX_TXP14

PCIE_GFX_TXP12

PCIE_GFX_TXP10

PCIE_GFX_TXP8

PCIE_GFX_TXP_C15

PCIE_GFX_TXP6

PCIE_GFX_TXP_C14

PCIE_GFX_TXP4

PCIE_GFX_TXP2

PCIE_GFX_TXP0

PCIE_GFX_TXP_C13PCIE_GFX_TXP_C12PCIE_GFX_TXP_C11PCIE_GFX_TXP_C10PCIE_GFX_TXP_C9

PCIE_GFX_TXP_C7PCIE_GFX_TXP_C8

PCIE_GFX_TXP_C5

DMI_TXN0DMI_TXN1DMI_TXN2DMI_TXN3

DMI_TXP0DMI_TXP1DMI_TXP2DMI_TXP3

DMI_RXN0DMI_RXN1DMI_RXN2DMI_RXN3

DMI_RXP0DMI_RXP1DMI_RXP2DMI_RXP3

FDI_TXN0FDI_TXN1FDI_TXN2FDI_TXN3FDI_TXN4FDI_TXN5FDI_TXN6FDI_TXN7

FDI_TXP0FDI_TXP1FDI_TXP2FDI_TXP3FDI_TXP4FDI_TXP5FDI_TXP6FDI_TXP7

EDP_COMP

FDI_LSYNC1FDI_LSYNC0

FDI_FSYNC1FDI_FSYNC0

FDI_INT

PCIE_GFX_TXN[15..0] [15]

PCIE_GFX_RXN[15..0] [15]

PCIE_GFX_RXP[15..0] [15]

PCIE_GFX_TXP[15..0] [15]

DMI_TXN[3..0][25]

DMI_TXP[3..0][25]

DMI_RXN[3..0][25]

DMI_RXP[3..0][25]

FDI_TXN[7..0][25]

FDI_TXP[7..0][25]

FDI_FSYNC0[25]FDI_FSYNC1[25]

FDI_LSYNC0[25]FDI_LSYNC1[25]

FDI_INT[25]

VCC1R05B_VTT_CPU

VCC1R05B_VTT_CPU

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

03 99Monday, June 14, 2010

CPU(1/8) DMI/EDP/PEG/FDINOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

03 99Monday, June 14, 2010

CPU(1/8) DMI/EDP/PEG/FDINOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

03 99Monday, June 14, 2010

CPU(1/8) DMI/EDP/PEG/FDINOZOMI-3 SWG SDV2

C

C7910.1UF_10V 1005_X5R_K

C7910.1UF_10V 1005_X5R_K

1 2

C6920.1UF_10V 1005_X5R_K

C6920.1UF_10V 1005_X5R_K

1 2

C5040.1UF_10V 1005_X5R_K

C5040.1UF_10V 1005_X5R_K

1 2

C7400.1UF_10V 1005_X5R_K

C7400.1UF_10V 1005_X5R_K

1 2

C6840.1UF_10V 1005_X5R_K

C6840.1UF_10V 1005_X5R_K

1 2

C390.1UF_10V 1005_X5R_K

C390.1UF_10V 1005_X5R_K

1 2

C6880.1UF_10V 1005_X5R_K

C6880.1UF_10V 1005_X5R_K

1 2

C7280.1UF_10V 1005_X5R_K

C7280.1UF_10V 1005_X5R_K

1 2

C7900.1UF_10V 1005_X5R_K

C7900.1UF_10V 1005_X5R_K

1 2

C3300.1UF_10V 1005_X5R_K

C3300.1UF_10V 1005_X5R_K

1 2

R10

10K_5% 1005_1/16 w

R10

10K_5% 1005_1/16 w1 2

C6650.1UF_10V 1005_X5R_K

C6650.1UF_10V 1005_X5R_K

1 2

C5260.1UF_10V 1005_X5R_K

C5260.1UF_10V 1005_X5R_K

1 2

DMI

INT

EL(R

) FD

I

EDP

PC

I EX

PR

ES

S*

- G

RA

PH

ICS

U58I

SANDY_BRIDGE_PGA_R1P0

DMI

INT

EL(R

) FD

I

EDP

PC

I EX

PR

ES

S*

- G

RA

PH

ICS

U58I

SANDY_BRIDGE_PGA_R1P0

DMI_RX#_0B27

DMI_RX#_1B25

DMI_RX#_2A25

DMI_RX#_3B24

DMI_RX_0B28

DMI_RX_1B26

DMI_RX_2A24

DMI_RX_3B23

DMI_TX#_0G21

DMI_TX#_1E22

DMI_TX#_2F21

DMI_TX#_3D21

DMI_TX_0G22

DMI_TX_1D22

DMI_TX_3C21 DMI_TX_2F20

FDI0_TX#_0A21

FDI0_TX#_1H19

FDI0_TX#_2E19

FDI0_TX#_3F18

FDI1_TX#_0B21

FDI1_TX#_1C20

FDI1_TX#_2D18

FDI1_TX#_3E17

FDI0_TX_0A22

FDI0_TX_1G19

FDI0_TX_2E20

FDI0_TX_3G18

FDI1_TX_0B20

FDI1_TX_1C19

FDI1_TX_2D19

FDI1_TX_3F17

FDI0_FSYNCJ18

FDI1_FSYNCJ17

FDI_INTH20

FDI0_LSYNCJ19

FDI1_LSYNCH17

PEG_ICOMPI J22

PEG_ICOMPO J21

PEG_RCOMPO H22

PEG_RX#_0 K33

PEG_RX#_1 M35

PEG_RX#_2 L34

PEG_RX#_3 J35

PEG_RX#_4 J32

PEG_RX#_5 H34

PEG_RX#_6 H31

PEG_RX#_7 G33

PEG_RX#_8 G30

PEG_RX#_9 F35

PEG_RX#_10 E34

PEG_RX#_11 E32

PEG_RX#_12 D33

PEG_RX#_13 D31

PEG_RX#_14 B33

PEG_RX#_15 C32

PEG_RX_0 J33

PEG_RX_1 L35

PEG_RX_2 K34

PEG_RX_3 H35

PEG_RX_4 H32

PEG_RX_5 G34

PEG_RX_6 G31

PEG_RX_7 F33

PEG_RX_8 F30

PEG_RX_9 E35

PEG_RX_10 E33

PEG_RX_11 F32

PEG_RX_12 D34

PEG_RX_13 E31

PEG_RX_14 C33

PEG_RX_15 B32

PEG_TX#_0 M29

PEG_TX#_1 M32

PEG_TX#_2 M31

PEG_TX#_3 L32

PEG_TX#_4 L29

PEG_TX#_5 K31

PEG_TX#_6 K28

PEG_TX#_7 J30

PEG_TX#_8 J28

PEG_TX#_9 H29

PEG_TX#_10 G27

PEG_TX#_11 E29

PEG_TX#_12 F27

PEG_TX#_13 D28

PEG_TX#_14 F26

PEG_TX#_15 E25

PEG_TX_0 M28

PEG_TX_1 M33

PEG_TX_2 M30

PEG_TX_3 L31

PEG_TX_4 L28

PEG_TX_5 K30

PEG_TX_6 K27

PEG_TX_7 J29

PEG_TX_8 J27

PEG_TX_9 H28

PEG_TX_10 G28

PEG_TX_11 E28

PEG_TX_12 F28

PEG_TX_13 D27

PEG_TX_14 E26

PEG_TX_15 D25

EDP_AUXC15

EDP_AUX#D15

EDP_TX_0C17

EDP_TX_1F16

EDP_TX_2C16

EDP_TX_3G15

EDP_TX#_0C18

EDP_TX#_1E16

EDP_TX#_2D16

EDP_TX#_3F15

EDP_COMPIOA18

EDP_HPDB16 EDP_ICOMPOA17

C7800.1UF_10V 1005_X5R_K

C7800.1UF_10V 1005_X5R_K

1 2

C7920.1UF_10V 1005_X5R_K

C7920.1UF_10V 1005_X5R_K

1 2

C6490.1UF_10V 1005_X5R_K

C6490.1UF_10V 1005_X5R_K

1 2

C5300.1UF_10V 1005_X5R_K

C5300.1UF_10V 1005_X5R_K

1 2

C7930.1UF_10V 1005_X5R_K

C7930.1UF_10V 1005_X5R_K

1 2

C3280.1UF_10V 1005_X5R_K

C3280.1UF_10V 1005_X5R_K

1 2

C7890.1UF_10V 1005_X5R_K

C7890.1UF_10V 1005_X5R_K

1 2

C7790.1UF_10V 1005_X5R_K

C7790.1UF_10V 1005_X5R_K

1 2C668

0.1UF_10V 1005_X5R_KC668

0.1UF_10V 1005_X5R_K1 2

C6900.1UF_10V 1005_X5R_K

C6900.1UF_10V 1005_X5R_K

1 2

C6870.1UF_10V 1005_X5R_K

C6870.1UF_10V 1005_X5R_K

1 2

C6890.1UF_10V 1005_X5R_K

C6890.1UF_10V 1005_X5R_K

1 2

C7810.1UF_10V 1005_X5R_K

C7810.1UF_10V 1005_X5R_K

1 2

C7820.1UF_10V 1005_X5R_K

C7820.1UF_10V 1005_X5R_K

1 2

C6610.1UF_10V 1005_X5R_K

C6610.1UF_10V 1005_X5R_K

1 2

R5

24.9_1% 1005_1/16 w

R5

24.9_1% 1005_1/16 w1 2

C6850.1UF_10V 1005_X5R_K

C6850.1UF_10V 1005_X5R_K

1 2

C7830.1UF_10V 1005_X5R_K

C7830.1UF_10V 1005_X5R_K

1 2C581

0.1UF_10V 1005_X5R_KC581

0.1UF_10V 1005_X5R_K1 2

C5130.1UF_10V 1005_X5R_K

C5130.1UF_10V 1005_X5R_K

1 2

R57

24.9_1% 1005_1/16 w

R57

24.9_1% 1005_1/16 w1 2

C6350.1UF_10V 1005_X5R_K

C6350.1UF_10V 1005_X5R_K

1 2

Page 4: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-XDP_TRST

CPU_CLK_100M

-CPURST

-PROCHOT

-CPU_CLK_100M

-XDP_DBR

DRAMRST_GATE

PECI

-PM_SYNC

CPUPWRGD

SM_COMP0

DRAMPWRG

SM_COMP1SM_COMP2

-DRAMRST

-XDP_PRDY

-THERMTRIP

-XDP_PREQ

XDP_TCKXDP_TMS

XDP_TDIXDP_TDO

CPU_CLK_100M [24]

PECI[28,62]

-CPU_CLK_100M [24]

-XDP_PRDY [11]-XDP_PREQ [11]

XDP_TCK [11]XDP_TMS [11]-XDP_TRST [11]

XDP_TDI [11]

-XDP_DBR [11,25]

XDP_TDO [11]

DRAMRST_GATE[12,27]

DRAMPWRG[25,31,87]

-PM_SYNC[25]

CPUPWRGD[11,28]

-PROCHOT[62,79]

-THERMTRIP[28]

-DRAMRST [12,13]

-PLTRST_FAR[11,27,50,54]

VCC1R05B_VTT_CPU

VCC1R05B_VTT_CPU

VCC1R5A_DIMM

VCC1R5_VDDQ

VCC1R05B_VTT_CPU

VCC1R05B_VTT_CPUVCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

04 99Monday, June 14, 2010

CPU(2/8) CLK/MISC/JTAGNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

04 99Monday, June 14, 2010

CPU(2/8) CLK/MISC/JTAGNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

04 99Monday, June 14, 2010

CPU(2/8) CLK/MISC/JTAGNOZOMI-3 SWG SDV2

C

CNV_EC033

place R5012 and R5013 as close as CPU

place R1010 near DIMM Connector

SDV_EC115

NZM3_SWG_SDV2_EC020

SWG_SDV2_EC043

R6462_5%1005_1/16 w

R6462_5%1005_1/16 w

12

R5013

43_5%1005_1/16 w

R5013

43_5%1005_1/16 w

1 2

MISC

THERMAL

PWR MANAGEMENT

CLOCKS

DDR3 MISC

JTAG & BPM

U58H

SANDY_BRIDGE_PGA_R1P0

MISC

THERMAL

PWR MANAGEMENT

CLOCKS

DDR3 MISC

JTAG & BPM

U58H

SANDY_BRIDGE_PGA_R1P0

SM_RCOMP_1 A5

SM_RCOMP_2 A4

SM_DRAMRST# R8

SM_RCOMP_0 AK1

BCLK# A27BCLK A28

DPLL_REF_CLK# A15DPLL_REF_CLK A16

CATERR#AL33

PECIAN33

PROCHOT#AL32

THERMTRIP#AN32

SM_DRAMPWROKV8

RESET#AR33

PRDY# AP29

PREQ# AP27

TCK AR26

TMS AR27

TRST# AP30

TDI AR28

TDO AP26

DBR# AL35

BPM#_0 AT28

BPM#_1 AR29

BPM#_2 AR30

BPM#_3 AT30

BPM#_4 AP32

BPM#_5 AR31

BPM#_6 AT31

BPM#_7 AR32

PM_SYNCAM34

SKTOCC#AN34

PROC_SELECT#C26

UNCOREPWRGOODAP33

R5821K_5%1005_1/16 w

R5821K_5%1005_1/16 w

12

Q131

2SK3541

Q131

2SK3541

32

1

R680_5%1005_1/16 wNA

R680_5%1005_1/16 wNA1

2

R9051_5%1005_1/16 w

R9051_5%1005_1/16 w

12

R501275_5%1005_1/16 w

R501275_5%1005_1/16 w

12

R1710K_5%1005_1/16 w

R1710K_5%1005_1/16 w

12

R576 200_1% 1005_1/16 wR576 200_1% 1005_1/16 w1 2

R85 56_5% 1005_1/16 wR85 56_5% 1005_1/16 w1 2

Q132

2SK3541

Q132

2SK3541

32

1

R121K_5%1005_1/16 w

R121K_5%1005_1/16 w

12

R251_5%1005_1/16 w

R251_5%1005_1/16 w

12

R79 1K_5% 1005_1/16 wR79 1K_5% 1005_1/16 w1 2

Q125

2SK3541

Q125

2SK3541

32

1

C13190.047UF_16V1005_X7R_K

NA

C13190.047UF_16V1005_X7R_K

NA

12

R7 140_1% 1005_1/16 wR7 140_1% 1005_1/16 w1 2R9151_5%1005_1/16 w

R9151_5%1005_1/16 w

12

R58 1K_5% 1005_1/16 wR58 1K_5% 1005_1/16 w1 2

R183 0_5% 1005_1/16 wR183 0_5% 1005_1/16 w1 2

R84 25.5_1% 1005_1/16 wR84 25.5_1% 1005_1/16 w1 2

R2045.1K_5%1005_1/16 w

R2045.1K_5%1005_1/16 w

12

R2151K_5%1005_1/16 w

R2151K_5%1005_1/16 w

12

R1010

1K_5%1005_1/16 w

R1010

1K_5%1005_1/16 w

1 2

Page 5: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M_A_DQ0M_A_DQ1M_A_DQ2M_A_DQ3M_A_DQ4M_A_DQ5M_A_DQ6M_A_DQ7M_A_DQ8M_A_DQ9M_A_DQ10M_A_DQ11M_A_DQ12M_A_DQ13M_A_DQ14M_A_DQ15M_A_DQ16M_A_DQ17M_A_DQ18M_A_DQ19M_A_DQ20M_A_DQ21M_A_DQ22M_A_DQ23M_A_DQ24M_A_DQ25M_A_DQ26M_A_DQ27M_A_DQ28M_A_DQ29M_A_DQ30M_A_DQ31M_A_DQ32M_A_DQ33M_A_DQ34M_A_DQ35M_A_DQ36M_A_DQ37M_A_DQ38M_A_DQ39M_A_DQ40M_A_DQ41M_A_DQ42M_A_DQ43M_A_DQ44M_A_DQ45M_A_DQ46M_A_DQ47M_A_DQ48M_A_DQ49M_A_DQ50M_A_DQ51M_A_DQ52M_A_DQ53M_A_DQ54M_A_DQ55M_A_DQ56M_A_DQ57M_A_DQ58M_A_DQ59M_A_DQ60M_A_DQ61M_A_DQ62M_A_DQ63

-M_A_DQS0-M_A_DQS1-M_A_DQS2-M_A_DQS3-M_A_DQS4-M_A_DQS5-M_A_DQS6-M_A_DQS7

M_A_DQS0M_A_DQS1M_A_DQS2M_A_DQS3M_A_DQS4M_A_DQS5M_A_DQS6M_A_DQS7

M_A_A0M_A_A1M_A_A2M_A_A3M_A_A4M_A_A5M_A_A6M_A_A7M_A_A8M_A_A9M_A_A10M_A_A11M_A_A12M_A_A13M_A_A14M_A_A15

M_A_BS1M_A_BS2

M_A_BS0

-M_A_CAS-M_A_RAS-M_A_WE

-M_A_CS1-M_A_CS0

M_A_ODT1M_A_ODT0

-M_A_DDRCLK0_666MM_A_CKE0

M_A_DDRCLK0_666M

-M_A_DDRCLK1_666MM_A_CKE1

M_A_DDRCLK1_666M

M_A_BS0[12]

-M_A_DQS[7..0] [12]

M_A_DQS[7..0] [12]

M_A_A[15..0] [12]

M_A_DQ[63..0][12]

M_A_BS1[12]M_A_BS2[12]

-M_A_CAS[12]-M_A_RAS[12]-M_A_WE[12]

M_A_DDRCLK0_666M [12]-M_A_DDRCLK0_666M [12]M_A_CKE0 [12]

M_A_DDRCLK1_666M [12]-M_A_DDRCLK1_666M [12]M_A_CKE1 [12]

-M_A_CS0 [12]-M_A_CS1 [12]

M_A_ODT0 [12]M_A_ODT1 [12]

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

05 99Monday, June 14, 2010

CPU(3/8) DDR3 CH- ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

05 99Monday, June 14, 2010

CPU(3/8) DDR3 CH- ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

05 99Monday, June 14, 2010

CPU(3/8) DDR3 CH- ANOZOMI-3 SWG SDV2

C

DD

R S

YS

TE

M M

EM

OR

Y A

U58G

SANDY_BRIDGE_PGA_R1P0

DD

R S

YS

TE

M M

EM

OR

Y A

U58G

SANDY_BRIDGE_PGA_R1P0

SA_BS_0AE10

SA_BS_1AF10

SA_BS_2V6

SA_CAS#AE8

SA_RAS#AD9

SA_WE#AF9

SA_CLK_0 AB6

SA_CLK_1 AA5

SA_CLK#_0 AA6

SA_CLK#_1 AB5

SA_CKE_0 V9

SA_CKE_1 V10

SA_CS#_0 AK3

SA_CS#_1 AL3

SA_ODT_0 AH3

SA_ODT_1 AG3

SA_DQS_0 D4

SA_DQS#_0 C4

SA_DQS_1 F6

SA_DQS#_1 G6

SA_DQS_2 K3

SA_DQS#_2 J3

SA_DQS_3 N6

SA_DQS#_3 M6

SA_DQS_4 AL5

SA_DQS#_4 AL6

SA_DQS_5 AM9

SA_DQS#_5 AM8

SA_DQS_6 AR11

SA_DQS#_6 AR12

SA_DQS_7 AM14

SA_DQS#_7 AM15

SA_MA_0 AD10

SA_MA_1 W1

SA_MA_2 W2

SA_MA_3 W7

SA_MA_4 V3

SA_MA_5 V2

SA_MA_6 W3

SA_MA_7 W6

SA_MA_8 V1

SA_MA_9 W5

SA_MA_10 AD8

SA_MA_11 V4

SA_MA_12 W4

SA_MA_13 AF8

SA_MA_14 V5

SA_MA_15 V7

SA_DQ_0C5

SA_DQ_1D5

SA_DQ_2D3

SA_DQ_3D2

SA_DQ_4D6

SA_DQ_5C6

SA_DQ_6C2

SA_DQ_7C3

SA_DQ_8F10

SA_DQ_9F8

SA_DQ_10G10

SA_DQ_11G9

SA_DQ_12F9

SA_DQ_13F7

SA_DQ_14G8

SA_DQ_15G7

SA_DQ_16K4

SA_DQ_17K5

SA_DQ_18K1

SA_DQ_19J1

SA_DQ_20J5

SA_DQ_21J4

SA_DQ_22J2

SA_DQ_23K2

SA_DQ_24M8

SA_DQ_25N10

SA_DQ_26N8

SA_DQ_27N7

SA_DQ_28M10

SA_DQ_29M9

SA_DQ_30N9

SA_DQ_31M7

SA_DQ_32AG6

SA_DQ_33AG5

SA_DQ_34AK6

SA_DQ_35AK5

SA_DQ_36AH5

SA_DQ_37AH6

SA_DQ_38AJ5

SA_DQ_39AJ6

SA_DQ_40AJ8

SA_DQ_41AK8

SA_DQ_42AJ9

SA_DQ_43AK9

SA_DQ_44AH8

SA_DQ_45AH9

SA_DQ_46AL9

SA_DQ_47AL8

SA_DQ_48AP11

SA_DQ_49AN11

SA_DQ_50AL12

SA_DQ_51AM12

SA_DQ_52AM11

SA_DQ_53AL11

SA_DQ_54AP12

SA_DQ_55AN12

SA_DQ_56AJ14

SA_DQ_57AH14

SA_DQ_58AL15

SA_DQ_59AK15

SA_DQ_60AL14

SA_DQ_61AK14

SA_DQ_62AJ15

SA_DQ_63AH15

RSVD_TP_1 AB4

RSVD_TP_2 AA4

RSVD_TP_4 AB3

RSVD_TP_5 AA3

RSVD_TP_3 W9

RSVD_TP_6 W10

RSVD_TP_7 AG1

RSVD_TP_8 AH1

RSVD_TP_9 AG2

RSVD_TP_10 AH2

Page 6: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M_B_A0M_B_A1M_B_A2M_B_A3M_B_A4M_B_A5M_B_A6M_B_A7M_B_A8M_B_A9M_B_A10M_B_A11M_B_A12M_B_A13M_B_A14M_B_A15

-M_B_DQS0-M_B_DQS1-M_B_DQS2-M_B_DQS3-M_B_DQS4-M_B_DQS5-M_B_DQS6-M_B_DQS7

M_B_DQS0M_B_DQS1M_B_DQS2M_B_DQS3M_B_DQS4M_B_DQS5M_B_DQS6M_B_DQS7

M_B_DQ0M_B_DQ1M_B_DQ2M_B_DQ3M_B_DQ4M_B_DQ5M_B_DQ6M_B_DQ7M_B_DQ8M_B_DQ9M_B_DQ10M_B_DQ11M_B_DQ12M_B_DQ13M_B_DQ14M_B_DQ15M_B_DQ16M_B_DQ17M_B_DQ18M_B_DQ19M_B_DQ20M_B_DQ21M_B_DQ22M_B_DQ23M_B_DQ24M_B_DQ25M_B_DQ26M_B_DQ27M_B_DQ28M_B_DQ29M_B_DQ30M_B_DQ31M_B_DQ32M_B_DQ33M_B_DQ34M_B_DQ35M_B_DQ36M_B_DQ37M_B_DQ38M_B_DQ39M_B_DQ40M_B_DQ41M_B_DQ42M_B_DQ43M_B_DQ44M_B_DQ45M_B_DQ46M_B_DQ47M_B_DQ48M_B_DQ49M_B_DQ50M_B_DQ51M_B_DQ52M_B_DQ53M_B_DQ54M_B_DQ55M_B_DQ56M_B_DQ57M_B_DQ58M_B_DQ59M_B_DQ60M_B_DQ61M_B_DQ62M_B_DQ63

-M_B_CS1-M_B_CS0

M_B_ODT1M_B_ODT0

-M_B_DDRCLK0_666MM_B_CKE0

M_B_DDRCLK0_666M

-M_B_DDRCLK1_666MM_B_CKE1

M_B_DDRCLK1_666M

M_B_BS1M_B_BS2

M_B_BS0

-M_B_CAS-M_B_RAS-M_B_WE

M_B_DQS[7..0] [13]

M_B_A[15..0] [13]

-M_B_DQS[7..0] [13]

M_B_DQ[63..0][13]-M_B_DDRCLK0_666M [13]M_B_CKE0 [13]

M_B_DDRCLK1_666M [13]-M_B_DDRCLK1_666M [13]M_B_CKE1 [13]

-M_B_CS0 [13]-M_B_CS1 [13]

M_B_ODT0 [13]M_B_ODT1 [13]

M_B_DDRCLK0_666M [13]

M_B_BS0[13]M_B_BS1[13]M_B_BS2[13]

-M_B_CAS[13]-M_B_RAS[13]-M_B_WE[13]

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

06 99Monday, June 14, 2010

CPU(4/8) DDR3 CH- BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

06 99Monday, June 14, 2010

CPU(4/8) DDR3 CH- BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

06 99Monday, June 14, 2010

CPU(4/8) DDR3 CH- BNOZOMI-3 SWG SDV2

C

DD

R S

YS

TE

M M

EM

OR

Y B

U58F

SANDY_BRIDGE_PGA_R1P0

DD

R S

YS

TE

M M

EM

OR

Y B

U58F

SANDY_BRIDGE_PGA_R1P0

SB_BS_0AA9

SB_BS_1AA7

SB_BS_2R6

SB_CAS#AA10

SB_RAS#AB8

SB_WE#AB9

SB_CLK_0 AE2

SB_CLK_1 AE1

SB_CLK#_0 AD2

SB_CLK#_1 AD1

SB_CKE_0 R9

SB_CKE_1 R10

SB_ODT_0 AE4

SB_ODT_1 AD4

SB_DQS_4 AN6

SB_DQS#_4 AN5

SB_DQS_5 AP8

SB_DQS#_5 AP9

SB_DQS_6 AK11

SB_DQS#_6 AK12

SB_DQS_7 AP14

SB_DQS#_7 AP15

SB_DQS_0 C7

SB_DQS#_0 D7

SB_DQS_1 G3

SB_DQS#_1 F3

SB_DQS_2 J6

SB_DQS#_2 K6

SB_DQS_3 M3

SB_DQS#_3 N3

SB_MA_0 AA8

SB_MA_1 T7

SB_MA_2 R7

SB_MA_3 T6

SB_MA_4 T2

SB_MA_5 T4

SB_MA_6 T3

SB_MA_7 R2

SB_MA_8 T5

SB_MA_9 R3

SB_MA_10 AB7

SB_MA_11 R1

SB_MA_12 T1

SB_MA_13 AB10

SB_MA_14 R5

SB_MA_15 R4

SB_DQ_0C9

SB_DQ_1A7

SB_DQ_2D10

SB_DQ_3C8

SB_DQ_4A9

SB_DQ_5A8

SB_DQ_6D9

SB_DQ_7D8

SB_DQ_8G4

SB_DQ_9F4

SB_DQ_10F1

SB_DQ_11G1

SB_DQ_12G5

SB_DQ_13F5

SB_DQ_14F2

SB_DQ_15G2

SB_DQ_16J7

SB_DQ_17J8

SB_DQ_18K10

SB_DQ_19K9

SB_DQ_20J9

SB_DQ_21J10

SB_DQ_22K8

SB_DQ_23K7

SB_DQ_24M5

SB_DQ_25N4

SB_DQ_26N2

SB_DQ_27N1

SB_DQ_28M4

SB_DQ_29N5

SB_DQ_30M2

SB_DQ_31M1

SB_DQ_32AM5

SB_DQ_33AM6

SB_DQ_34AR3

SB_DQ_35AP3

SB_DQ_36AN3

SB_DQ_37AN2

SB_DQ_38AN1

SB_DQ_39AP2

SB_DQ_40AP5

SB_DQ_41AN9

SB_DQ_42AT5

SB_DQ_43AT6

SB_DQ_44AP6

SB_DQ_45AN8

SB_DQ_46AR6

SB_DQ_47AR5

SB_DQ_48AR9

SB_DQ_49AJ11

SB_DQ_50AT8

SB_DQ_51AT9

SB_DQ_52AH11

SB_DQ_53AR8

SB_DQ_54AJ12

SB_DQ_55AH12

SB_DQ_56AT11

SB_DQ_57AN14

SB_DQ_58AR14

SB_DQ_59AT14

SB_DQ_60AT12

SB_DQ_61AN15

SB_DQ_62AR15

SB_DQ_63AT15

RSVD_TP_11 AB2

RSVD_TP_12 AA2

RSVD_TP_13 T9

RSVD_TP_14 AA1

RSVD_TP_15 AB1

RSVD_TP_16 T10

SB_CS#_0 AD3

SB_CS#_1 AE3

RSVD_TP_17 AD6

RSVD_TP_18 AE6

RSVD_TP_19 AD5

RSVD_TP_20 AE5

Page 7: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SVID_CLK

VCC_SENSE_VTTVSS_SENSE_VTT

-SVID_ALERT

SVID_DATA

VCCSENSEVSSSENSE

-SVID_ALERT [79]SVID_CLK [79]SVID_DATA [79]

VCCSENSE [79]VSSSENSE [79]

VCC_SENSE_VTT [84]VSS_SENSE_VTT [84]

VCCCPUCOREVCC1R05B_VTT_CPU

VCC1R05B_VTT_CPU VCC1R05B_VTT_CPU VCC1R05B_VTT_CPU VCC1R05B_VTT_CPU VCC1R05B_VTT_CPU

VCC1R05B_VTT_CPU VCC1R05B_VTT

VCC1R05B_VTT_CPU

VCCCPUCORE

VCC1R05B_VTT

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

07 99Monday, June 14, 2010

CPU(5/8) PROCESSOR POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

07 99Monday, June 14, 2010

CPU(5/8) PROCESSOR POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

07 99Monday, June 14, 2010

CPU(5/8) PROCESSOR POWERNOZOMI-3 SWG SDV2

C

Z0 = 27.4 OHMPU/PD < 1INCH

NZM3_SWG_SDV2_EC052

R768100_1%1005_1/16 w

R768100_1%1005_1/16 w

12

R767100_1%1005_1/16 w

R767100_1%1005_1/16 w

12

C65 22

UF

_6.3

V2125_X5R_M

C65 22

UF

_6.3

V2125_X5R_M

12

C68 10

UF

_6.3

V1608_X5R_M

C68 10

UF

_6.3

V1608_X5R_M

12

C13

2 10U

F_6

.3V

1608

_X5R

_M

C13

2 10U

F_6

.3V

1608

_X5R

_M1

2

R37475_5%

1005_1/16 w

R37475_5%

1005_1/16 w

12

C98 22

UF

_6.3

V2125_X5R_M

C98 22

UF

_6.3

V2125_X5R_M

12

C14

1 10U

F_6

.3V

1608

_X5R

_M

C14

1 10U

F_6

.3V

1608

_X5R

_M1

2

R31 0_5% 1005_1/16 wR31 0_5% 1005_1/16 w1 2

CO

RE

SU

PP

LY

PE

G A

ND

DD

R

SVD

SENSE LINES

U58D

SANDY_BRIDGE_PGA_R1P0

CO

RE

SU

PP

LY

PE

G A

ND

DD

R

SVD

SENSE LINES

U58D

SANDY_BRIDGE_PGA_R1P0

VCC_SENSE AJ35

VSS_SENSE AJ34

VIDALERT# AJ29

VIDSCLK AJ30

VIDSOUT AJ28

VSSIO_SENSE A10

VCC1AG35

VCC2AG34

VCC3AG33

VCC4AG32

VCC5AG31

VCC6AG30

VCC7AG29

VCC8AG28

VCC9AG27

VCC10AG26

VCC11AF35

VCC12AF34

VCC13AF33

VCC14AF32

VCC15AF31

VCC16AF30

VCC17AF29

VCC18AF28

VCC19AF27

VCC20AF26

VCC21AD35

VCC22AD34

VCC23AD33

VCC24AD32

VCC25AD31

VCC26AD30

VCC27AD29

VCC28AD28

VCC29AD27

VCC30AD26

VCC31AC35

VCC32AC34

VCC33AC33

VCC34AC32

VCC35AC31

VCC36AC30

VCC37AC29

VCC38AC28

VCC39AC27

VCC40AC26

VCC41AA35

VCC42AA34

VCC43AA33

VCC44AA32

VCC45AA31

VCC46AA30

VCC47AA29

VCC48AA28

VCC49AA27

VCC50AA26

VCC51Y35

VCC52Y34

VCC53Y33

VCC54Y32

VCC55Y31

VCC56Y30

VCC57Y29

VCC58Y28

VCC59Y27

VCC60Y26

VCC61V35

VCC62V34

VCC63V33

VCC64V32

VCC65V31

VCC66V30

VCC67V29

VCC68V28

VCC69V27

VCC70V26

VCC71U35

VCC72U34

VCC73U33

VCC74U32

VCC75U31

VCC76U30

VCC77U29

VCC78U28

VCC79U27

VCC80U26

VCC81R35

VCC82R34

VCC83R33

VCC84R32

VCC85R31

VCC86R30

VCC87R29

VCC88R28

VCC89R27

VCC90R26

VCC91P35

VCC92P34

VCC93P33

VCC94P32

VCC95P31

VCC96P30

VCC97P29

VCC98P28

VCC99P27

VCC100P26

VCCIO1 AH13

VCCIO12 J11

VCCIO18 G12

VCCIO19 F14

VCCIO20 F13

VCCIO21 F12

VCCIO22 F11

VCCIO23 E14

VCCIO24 E12

VCCIO2 AH10

VCCIO3 AG10

VCCIO4 AC10

VCCIO5 Y10

VCCIO6 U10

VCCIO7 P10

VCCIO8 L10

VCCIO9 J14

VCCIO10 J13

VCCIO11 J12

VCCIO13 H14

VCCIO14 H12

VCCIO15 H11

VCCIO16 G14

VCCIO17 G13

VCCIO25 E11

VCCIO32 C12

VCCIO33 C11

VCCIO34 B14

VCCIO35 B12

VCCIO36 A14

VCCIO37 A13

VCCIO38 A12

VCCIO39 A11

VCCIO26 D14

VCCIO27 D13

VCCIO28 D12

VCCIO29 D11

VCCIO30 C14

VCCIO31 C13

VCCIO_SENSE B10

VCCIO40 J23

+ C35330UF_2V3528 2TPE330MFBNA

+ C35330UF_2V3528 2TPE330MFBNA

12

R70 100_1% 1005_1/16 wR70 100_1% 1005_1/16 w12

C71 10

UF

_6.3

V1608_X5R_M

C71 10

UF

_6.3

V1608_X5R_M

12

C80 22

UF

_6.3

V2125_X5R_M

C80 22

UF

_6.3

V2125_X5R_M

12

C69 22

UF

_6.3

V2125_X5R_M

C69 22

UF

_6.3

V2125_X5R_M

12

R158

0.01_1% 0816_1/3 w

R158

0.01_1% 0816_1/3 w1 2

R781

43_5% 1005_1/16 w

R781

43_5% 1005_1/16 w1 2

C29 10

UF

_6.3

V1608_X5R_M

NA

C29 10

UF

_6.3

V1608_X5R_M

NA

12

+ C106330UF_2V3528 2TPE330MFBNA

+ C106330UF_2V3528 2TPE330MFBNA

12

R528 0_5% 1005_1/16 wR528 0_5% 1005_1/16 w1 2

C70 10

UF

_6.3

V1608_X5R_M

C70 10

UF

_6.3

V1608_X5R_M

12

C51 10

UF

_6.3

V1608_X5R_M

C51 10

UF

_6.3

V1608_X5R_M

12

C78 10

UF

_6.3

V1608_X5R_M

C78 10

UF

_6.3

V1608_X5R_M

12

R9100_1%1005_1/16 w

R9100_1%1005_1/16 w

12

C85 22

UF

_6.3

V2125_X5R_M

C85 22

UF

_6.3

V2125_X5R_M

12

R782130_5%

1005_1/16 w

R782130_5%

1005_1/16 w

12

C9522UF_6.3V

2125_X5R_M

C9522UF_6.3V

2125_X5R_M

12

C76 10

UF

_6.3

V1608_X5R_M

C76 10

UF

_6.3

V1608_X5R_M

12

C77 10

UF

_6.3

V1608_X5R_M

C77 10

UF

_6.3

V1608_X5R_M

12

R206

0.01_1% 0816_1/3 w

R206

0.01_1% 0816_1/3 w1 2

C79 10

UF

_6.3

V1608_X5R_M

NA

C79 10

UF

_6.3

V1608_X5R_M

NA

12

C11122UF_6.3V

2125_X5R_M

C11122UF_6.3V

2125_X5R_M

12

Page 8: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC1R8B_CPU VCCSA_SENSE

VCCSA_SEL

VCCGFX_SENSE_IVSSGFX_SENSE_I

VCCSA_SENSE [90]

VCCSA_SEL [90]

VCCGFX_SENSE_I [79]VSSGFX_SENSE_I [79]

VCCGFXCORE_I

VCCGFXCORE_I

VCC1R8B

VCC1R5_VDDQ

VCCSA

VCC1R05B_VTT_CPU

VCCGFXCORE_IVCC1R5_VDDQ

DDR3_VREF_CPU

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

08 99Monday, June 14, 2010

CPU(6/8) GRAPHICS POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

08 99Monday, June 14, 2010

CPU(6/8) GRAPHICS POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

08 99Monday, June 14, 2010

CPU(6/8) GRAPHICS POWERNOZOMI-3 SWG SDV2

C

PLACE NEAR CPU

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC095

C84

4 1UF

_10V

1005_X5R_K

C84

4 1UF

_10V

1005_X5R_K

12

C99922UF_6.3V2125_X5R_M

C99922UF_6.3V2125_X5R_M

12

R69210K_5%1005_1/16 w

R69210K_5%1005_1/16 w

12

C84

2 1UF

_10V

1005_X5R_K

C84

2 1UF

_10V

1005_X5R_K

12

GRAPHICS

SENSE LINES

DD

R3

-1.5

V R

AIL

S

VREF

SA RAIL

MISC1.8V RAIL

POWER

U58C

SANDY_BRIDGE_PGA_R1P0

GRAPHICS

SENSE LINES

DD

R3

-1.5

V R

AIL

S

VREF

SA RAIL

MISC1.8V RAIL

POWER

U58C

SANDY_BRIDGE_PGA_R1P0

SM_VREF AL1

VSSAXG_SENSE AK34VAXG_SENSE AK35VAXG1AT24

VAXG2AT23

VAXG3AT21

VAXG4AT20

VAXG5AT18

VAXG6AT17

VAXG7AR24

VAXG8AR23

VAXG9AR21

VAXG10AR20

VAXG11AR18

VAXG12AR17

VAXG13AP24

VAXG14AP23

VAXG15AP21

VAXG16AP20

VAXG17AP18

VAXG18AP17

VAXG19AN24

VAXG20AN23

VAXG21AN21

VAXG22AN20

VAXG23AN18

VAXG24AN17

VAXG25AM24

VAXG26AM23

VAXG27AM21

VAXG28AM20

VAXG29AM18

VAXG30AM17

VAXG31AL24

VAXG32AL23

VAXG33AL21

VAXG34AL20

VAXG35AL18

VAXG36AL17

VAXG37AK24

VAXG38AK23

VAXG39AK21

VAXG40AK20

VAXG41AK18

VAXG42AK17

VAXG43AJ24

VAXG44AJ23

VAXG45AJ21

VAXG46AJ20

VAXG47AJ18

VAXG48AJ17

VAXG49AH24

VAXG50AH23

VAXG51AH21

VAXG52AH20

VAXG53AH18

VAXG54AH17

VDDQ11 U4

VDDQ12 U1

VDDQ13 P7

VDDQ14 P4

VDDQ15 P1

VDDQ1 AF7

VDDQ2 AF4

VDDQ3 AF1

VDDQ4 AC7

VDDQ5 AC4

VDDQ6 AC1

VDDQ7 Y7

VDDQ8 Y4

VDDQ9 Y1

VDDQ10 U7

VCCPLL1B6

VCCPLL2A6

VCCSA1 M27

VCCSA2 M26

VCCSA3 L26

VCCSA4 J26

VCCSA5 J25

VCCSA6 J24

VCCSA7 H26

VCCSA8 H25

VCCSA_SENSE H23

VCCSA_VID1 C24

VCCPLL3A2

FC_C22 C22

R6750.01_1%

0816_1/3 w

R6750.01_1%

0816_1/3 w

12

R769100_5%1005_1/16 w

R769100_5%1005_1/16 w

12

C12

3 2.2U

F_4

V10

05_X

5R_M

C12

3 2.2U

F_4

V10

05_X

5R_M

12

C7132.2UF_4V1005_X5R_M

NA

C7132.2UF_4V1005_X5R_M

NA

12

C69

6

10U

F_6

.3V

1608_X5R_M

C69

6

10U

F_6

.3V

1608_X5R_M

12

C13

5 4.7U

F_6

.3V

1608_X5R_K

C13

5 4.7U

F_6

.3V

1608_X5R_K

12

R770100_5%1005_1/16 w

R770100_5%1005_1/16 w

12

R6540.01_1%0816_1/3 w

R6540.01_1%0816_1/3 w

12

R73210K_5%1005_1/16 wNA

R73210K_5%1005_1/16 wNA

12

C83

8 1UF

_10V

1005_X5R_K

C83

8 1UF

_10V

1005_X5R_K

12

C69

8

10U

F_6

.3V

1608_X5R_M

C69

8

10U

F_6

.3V

1608_X5R_M

12

C14

4 22U

F_6

.3V

2125_X5R_M

C14

4 22U

F_6

.3V

2125_X5R_M

12

C11

0 1UF

_10V

1005_X5R_K

C11

0 1UF

_10V

1005_X5R_K

12

R73310K_5%1005_1/16 w

R73310K_5%1005_1/16 w

12

C84

0 1UF

_10V

1005_X5R_K

C84

0 1UF

_10V

1005_X5R_K

12

R529 0_5% 1005_1/16 wR529 0_5% 1005_1/16 w1 2

C11

84 22U

F_6

.3V

2125_X5R_M

C11

84 22U

F_6

.3V

2125_X5R_M

12

C94

1

22U

F_6

.3V

2125_X5R_M

C94

1

22U

F_6

.3V

2125_X5R_M

12

C84

6 1UF

_10V

1005_X5R_K

C84

6 1UF

_10V

1005_X5R_K

12

C83

5 22U

F_6

.3V

2125_X5R_M

C83

5 22U

F_6

.3V

2125_X5R_M

12

C70

2

22U

F_6

.3V

2125_X5R_M

C70

2

22U

F_6

.3V

2125_X5R_M

12

R722

0_5% 1005_1/16 w

R722

0_5% 1005_1/16 w1 2

R533 0_5% 1005_1/16 wR533 0_5% 1005_1/16 w1 2

C12

1 1UF

_10V

1005_X5R_K

C12

1 1UF

_10V

1005_X5R_K

12

C76222UF_6.3V2125_X5R_M

C76222UF_6.3V2125_X5R_M

12

C7110.1UF_10V

1005_X5R_K

NA

C7110.1UF_10V

1005_X5R_K

NA

12

Page 9: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

09 99Monday, June 14, 2010

CPU(7/8) GNDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

09 99Monday, June 14, 2010

CPU(7/8) GNDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

09 99Monday, June 14, 2010

CPU(7/8) GNDNOZOMI-3 SWG SDV2

C

VSS

U58A

SANDY_BRIDGE_PGA_R1P0

VSS

U58A

SANDY_BRIDGE_PGA_R1P0

VSS161T35

VSS162T34

VSS163T33

VSS164T32

VSS165T31

VSS166T30

VSS167T29

VSS168T28

VSS169T27

VSS170T26

VSS171P9

VSS172P8

VSS173P6

VSS174P5

VSS175P3

VSS176P2

VSS177N35

VSS178N34

VSS179N33

VSS180N32

VSS181N31

VSS182N30

VSS183N29

VSS184N28

VSS185N27

VSS186N26

VSS187M34

VSS188L33

VSS189L30

VSS190L27

VSS191L9

VSS192L8

VSS193L6

VSS194L5

VSS195L4

VSS196L3

VSS197L2

VSS198L1

VSS199K35

VSS200K32

VSS201K29

VSS202K26

VSS203J34

VSS204J31

VSS205H33

VSS206H30

VSS207H27

VSS208H24

VSS209H21

VSS210H18

VSS211H15

VSS212H13

VSS213H10

VSS214H9

VSS215H8

VSS216H7

VSS217H6

VSS218H5

VSS219H4

VSS220H3

VSS221H2

VSS222H1

VSS223G35

VSS224G32

VSS225G29

VSS226G26

VSS227G23

VSS228G20

VSS229G17

VSS230G11

VSS231F34

VSS232F31

VSS233F29

VSS234 F22

VSS235 F19

VSS236 E30

VSS237 E27

VSS238 E24

VSS239 E21

VSS240 E18

VSS241 E15

VSS242 E13

VSS243 E10

VSS244 E9

VSS245 E8

VSS246 E7

VSS247 E6

VSS248 E5

VSS249 E4

VSS250 E3

VSS251 E2

VSS252 E1

VSS253 D35

VSS254 D32

VSS255 D29

VSS256 D26

VSS257 D20

VSS258 D17

VSS259 C34

VSS260 C31

VSS261 C28

VSS262 C27

VSS263 C25

VSS264 C23

VSS265 C10

VSS266 C1

VSS267 B22

VSS268 B19

VSS269 B17

VSS270 B15

VSS271 B13

VSS272 B11

VSS273 B9

VSS274 B8

VSS275 B7

VSS276 B5

VSS277 B3

VSS278 B2

VSS279 A35

VSS280 A32

VSS281 A29

VSS282 A26

VSS283 A23

VSS284 A20

VSS285 A3

VSS

U58B

SANDY_BRIDGE_PGA_R1P0

VSS

U58B

SANDY_BRIDGE_PGA_R1P0

VSS1AT35

VSS2AT32

VSS3AT29

VSS4AT27

VSS5AT25

VSS6AT22

VSS7AT19

VSS8AT16

VSS9AT13

VSS10AT10

VSS11AT7

VSS12AT4

VSS13AT3

VSS14AR25

VSS15AR22

VSS16AR19

VSS17AR16

VSS18AR13

VSS19AR10

VSS20AR7

VSS21AR4

VSS22AR2

VSS23AP34

VSS24AP31

VSS25AP28

VSS26AP25

VSS27AP22

VSS28AP19

VSS29AP16

VSS30AP13

VSS31AP10

VSS32AP7

VSS33AP4

VSS34AP1

VSS35AN30

VSS36AN27

VSS37AN25

VSS38AN22

VSS39AN19

VSS40AN16

VSS41AN13

VSS42AN10

VSS43AN7

VSS44AN4

VSS45AM29

VSS46AM25

VSS47AM22

VSS48AM19

VSS49AM16

VSS50AM13

VSS51AM10

VSS52AM7

VSS53AM4

VSS54AM3

VSS55AM2

VSS56AM1

VSS57AL34

VSS58AL31

VSS59AL28

VSS60AL25

VSS61AL22

VSS62AL19

VSS63AL16

VSS64AL13

VSS65AL10

VSS66AL7

VSS67AL4

VSS68AL2

VSS69AK33

VSS70AK30

VSS71AK27

VSS72AK25

VSS73AK22

VSS74AK19

VSS75AK16

VSS76AK13

VSS77AK10

VSS78AK7

VSS79AK4

VSS80AJ25

VSS81 AJ22

VSS82 AJ19

VSS83 AJ16

VSS84 AJ13

VSS85 AJ10

VSS86 AJ7

VSS87 AJ4

VSS88 AJ3

VSS89 AJ2

VSS90 AJ1

VSS91 AH35

VSS92 AH34

VSS93 AH32

VSS94 AH30

VSS95 AH29

VSS96 AH28

VSS97 AH26

VSS98 AH25

VSS99 AH22

VSS100 AH19

VSS101 AH16

VSS102 AH7

VSS103 AH4

VSS104 AG9

VSS105 AG8

VSS106 AG4

VSS107 AF6

VSS108 AF5

VSS109 AF3

VSS110 AF2

VSS111 AE35

VSS112 AE34

VSS113 AE33

VSS114 AE32

VSS115 AE31

VSS116 AE30

VSS117 AE29

VSS118 AE28

VSS119 AE27

VSS120 AE26

VSS121 AE9

VSS122 AD7

VSS123 AC9

VSS124 AC8

VSS125 AC6

VSS126 AC5

VSS127 AC3

VSS128 AC2

VSS129 AB35

VSS130 AB34

VSS131 AB33

VSS132 AB32

VSS133 AB31

VSS134 AB30

VSS135 AB29

VSS136 AB28

VSS137 AB27

VSS138 AB26

VSS139 Y9

VSS140 Y8

VSS141 Y6

VSS142 Y5

VSS143 Y3

VSS144 Y2

VSS145 W35

VSS146 W34

VSS147 W33

VSS148 W32

VSS149 W31

VSS150 W30

VSS151 W29

VSS152 W28

VSS153 W27

VSS154 W26

VSS155 U9

VSS156 U8

VSS157 U6

VSS158 U5

VSS159 U3

VSS160 U2

Page 10: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

CPU_CFG0CPU_CFG0[11]

DDR3_VREF_DQ_M3[12]DDR3_VREF_CA_M3[12]

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

10 99Monday, June 14, 2010

CPU(8/8) CFG/RESERVEDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

10 99Monday, June 14, 2010

CPU(8/8) CFG/RESERVEDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

10 99Monday, June 14, 2010

CPU(8/8) CFG/RESERVEDNOZOMI-3 SWG SDV2

C

CFG2 PEG LAN REVERSAL1 -NO ASM : NORMAL0 -ASM : RESVERSE

CFGA DISPLAY PORT PRESENCE1 -NO ASM : DISABLE0 -ASM : ENABLE

CFG[6 : 5] PEG BIFURCATION CONFIG00 = 1 x 8, 2 x 4 PCI Express01 = reserved10 = 2 x 8 PCI Express11 = 1 x 16 PCI Express

CFG7 PEG DEFER TRAINING1 -NO ASM :PEG TRAIN IMMEDIATELY FOLLOWING XXRESETB DEASSERTION0 -ASM : PEG WAIT FOR BIOS FOR TRAINING

TABLE

NZM3_SWG_SDV2_EC077

R891K_5%1005_1/16 wNA

R891K_5%1005_1/16 wNA1

2R50071K_1%1005_1/16 w

R50071K_1%1005_1/16 w

12

RESERVED

U58E

SANDY_BRIDGE_PGA_R1P0

RESERVED

U58E

SANDY_BRIDGE_PGA_R1P0

CFG_0AK28

CFG_1AK29

CFG_2AL26

CFG_3AL27

CFG_4AK26

CFG_5AL29

CFG_6AL30

CFG_7AM31

CFG_8AM32

CFG_9AM30

CFG_10AM28

CFG_11AM26

CFG_12AN28

CFG_13AN31

CFG_14AN26

CFG_15AM27

CFG_16AK31

CFG_17AN29

RSVD34 AM33

RSVD35 AJ27

RSVD38 J16

RSVD42 AT34

RSVD39 H16

RSVD40 G16

RSVD41 AR35

RSVD43 AT33

RSVD45 AR34

RSVD56 AT2

RSVD57 AT1

RSVD58 AR1

RSVD46 B34

RSVD47 A33

RSVD48 A34

RSVD49 B35

RSVD50 C35

RSVD51 AJ32

RSVD52 AK32

RSVD30 AE7

RSVD31 AK2

RSVD28 L7

RSVD29 AG7

RSVD27J15

RSVD16C30 RSVD15D23

RSVD17A31

RSVD18B30

RSVD20D30RSVD19B29

RSVD22A30RSVD21B31

RSVD23C29

RSVD24J20

RSVD37 T8

RSVD6B4

RSVD7D1

RSVD8F25

RSVD9F24

RSVD11D24

RSVD12G25

RSVD13G24

RSVD14E23

RSVD32 W8

RSVD33 AT26

RSVD25B18

RSVD44 AP35

RSVD10F23

RSVD5AJ26

VAXG_VAL_SENSEAJ31

VSSAXG_VAL_SENSEAH31

VCC_VAL_SENSEAJ33

VSS_VAL_SENSEAH33

KEY B1

VCC_DIE_SENSE AH27

VCCIO_SELA19

RSVD54 AN35

RSVD55 AM35

R141K_5%1005_1/16 w

R141K_5%1005_1/16 w

12

R861K_5%1005_1/16 wNA

R861K_5%1005_1/16 wNA1

2

R631K_5%1005_1/16 wNA

R631K_5%1005_1/16 wNA1

2

R50061K_1%1005_1/16 w

R50061K_1%1005_1/16 w

12

R9401K_5%1005_1/16 wNA

R9401K_5%1005_1/16 wNA1

2

Page 11: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

XDP_TCK

XDP_TMSXDP_TDI

-XDP_DBR

XDP_TDO

-PLTRST_FAR

-XDP_CLK_100MXDP_CLK_100MBPWRGCPU_CFG0

CPUPWRGD

-XDP_PRDY-XDP_PREQ

-XDP_TRST

-XDP_DBRMPWRG

PCH_TCK

PCH_TDO

PCH_TDIPCH_TMS

XDP_TCK[4]

XDP_TMS[4]XDP_TDI[4]

-XDP_TRST[4]XDP_TDO[4]

-XDP_DBR[4,25]-PLTRST_FAR[4,27,50,54]

-XDP_CLK_100M[24]XDP_CLK_100M[24]

BPWRG[25,31,62,68,70,71,91,94]

-XDP_PRDY[4]-XDP_PREQ[4]

PCH_TDO[23]

PCH_TCK[23]

MPWRG[25,31,61,64,68,74,91]

PCH_TMS[23]PCH_TDI[23]

CPUPWRGD[4,28]

CPU_CFG0[10]

VCC3B

VCC1R05B_VTT_CPU

VCC3M

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

11 99Monday, June 14, 2010

XDP CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

11 99Monday, June 14, 2010

XDP CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

11 99Monday, June 14, 2010

XDP CONNECTORNOZOMI-3 SWG SDV2

C

NOTE: J8 "ASM" FOR SDV1 ONLY.TABLE

SIGNAL REF DES ENABLE DISABLE

TDO

TRST#

DBRST#

RESET#

CFG0

PWRGD

BPWRG

R475

R471

R491

R588

R477

R594

R954

J8

ASM

ASM

ASM

ASM

ASM

ASM

ASM

ASM

LOGIC

ASM

ASM

NO ASM

NO ASM

NO ASM

NO ASM

NO ASM

NO ASM

NOTE: J9 "ASM" FOR SDV1 ONLY.TABLE

SIGNAL REF DES ENABLE DISABLE

TDO

TMS

TDI

TCK

MPWRG

R509

R541

R511

J9

200

51

ASM

ASM

NO ASM

51

NO ASM

NO ASM

R943 100 NO ASMR530 220 NO ASMR946 100 NO ASMR515 220R945

NO ASM100 NO ASM

R514 ASM NO ASM

LOGIC

CNV_EC034

CNV_EC062

NZM3_SWG_SDV2_EC055 NZM3_SWG_SDV2_EC055R53

0 220_

5%10

05_1

/16

w

R53

0 220_

5%10

05_1

/16

w1

2

R5111K_5%1005_1/16 w

R5111K_5%1005_1/16 w

1 2

J8

52435_2671

NA

J8

52435_2671

NA

OBS_FN_A01OBS_FN_A12 GND13OBSDATA_A[0]4 OBSDATA_A[1]5GND26OBSDATA_A[2]7 OBSDATA_A[3]8GND39 HOOK010HOOK111HOOK212 HOOK313HOOK414 HOOK515VCCOBS_AB16HOOK617 HOOK718GND419 TDO20TRSTN21TDI22 TMS23TCK124 GND525TCK026

PEG1 27

PEG2 28

R47151_5%

1005_1/16 w

R47151_5%

1005_1/16 w

12

R54

1 51_5

%10

05_1

/16

w

R54

1 51_5

%10

05_1

/16

w1

2

R94

5 100_

5%10

05_1

/16

w

R94

5 100_

5%10

05_1

/16

w1

2

R9540_5% 1005_1/16 w

R9540_5% 1005_1/16 w

1 2

R5141K_5%1005_1/16 w

R5141K_5%1005_1/16 w

1 2

R4771K_5%1005_1/16 w

R4771K_5%1005_1/16 w

1 2

J9

52435_2671

NA

J9

52435_2671

NA

OBS_FN_A01OBS_FN_A12 GND13OBSDATA_A[0]4 OBSDATA_A[1]5GND26OBSDATA_A[2]7 OBSDATA_A[3]8GND39 HOOK010HOOK111HOOK212 HOOK313HOOK414 HOOK515VCCOBS_AB16HOOK617 HOOK718GND419 TDO20TRSTN21TDI22 TMS23TCK124 GND525TCK026

PEG1 27

PEG2 28

R51

5 220_

5%10

05_1

/16

w

R51

5 220_

5%10

05_1

/16

w1

2

R49

1 1K_5

%10

05_1

/16

w

R49

1 1K_5

%10

05_1

/16

w1

2 R50

9 220_

5%10

05_1

/16

w

R50

9 220_

5%10

05_1

/16

w1

2

R94

6 100_

5%10

05_1

/16

w

R94

6 100_

5%10

05_1

/16

w1

2

R5881K_5%1005_1/16 w

R5881K_5%1005_1/16 w

1 2

R5941K_5%1005_1/16 w

R5941K_5%1005_1/16 w

1 2

R94

3 100_

5%10

05_1

/16

w

R94

3 100_

5%10

05_1

/16

w1

2

R47

5

51_5

%10

05_1

/16

w

R47

5

51_5

%10

05_1

/16

w1

2

Page 12: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M_A_DQ0

M_A_DQ22M_A_DQ23

M_A_DQ30M_A_DQ31

M_A_DQ38M_A_DQ39

M_A_DQ1

M_A_DQ2M_A_DQ3

M_A_DQ8M_A_DQ9

M_A_DQ10M_A_DQ11

M_A_DQ12M_A_DQ13

M_A_DQ14M_A_DQ15

M_A_DQ16M_A_DQ17

M_A_DQ18M_A_DQ19

M_A_DQ20M_A_DQ21

M_A_DQ24M_A_DQ25

M_A_DQ26M_A_DQ27

M_A_DQ28M_A_DQ29

M_A_DQ32M_A_DQ33

M_A_DQ34M_A_DQ35

M_A_DQ36M_A_DQ37

M_A_DQ40M_A_DQ41

M_A_DQ42M_A_DQ43

M_A_DQ44M_A_DQ45

M_A_DQ46M_A_DQ47

M_A_DQ48M_A_DQ49

M_A_DQ50M_A_DQ51

M_A_DQ56M_A_DQ57

M_A_DQ58M_A_DQ59

M_A_DQ60M_A_DQ61

M_A_DQ62M_A_DQ63

M_A_DQ52M_A_DQ53

M_A_DQ54M_A_DQ55

M_A_DQ6M_A_DQ7

M_A_DQ4M_A_DQ5

M_A_A0M_A_A2

M_A_A4M_A_A6

M_A_A7M_A_A11

M_A_A14M_A_A15

M_A_A10

M_A_A13

M_A_A9

M_A_A5M_A_A8

M_A_A1M_A_A3

M_A_A12

-M_A_DQS1M_A_DQS1

-M_A_DQS2M_A_DQS2

-M_A_DQS4M_A_DQS4

-M_A_DQS6M_A_DQS6

-M_A_DQS0M_A_DQS0

-M_A_DQS3M_A_DQS3

-M_A_DQS5M_A_DQS5

-M_A_DQS7M_A_DQS7

M_A_CKE0

M_A_BS0

M_A_CKE1

M_A_BS2

-M_A_DDRCLK0_666MM_A_DDRCLK0_666M

-M_A_DDRCLK1_666MM_A_DDRCLK1_666M

M_A_BS1-M_A_RAS

-M_A_CS0M_A_ODT0

-M_A_CS1M_A_ODT1

SMB_DATA_3BSMB_CLK_3B

-DRAMRST

-M_A_CAS-M_A_WE

DRAMRST_GATE

M_A_DQ[63..0][5]

M_A_DQS[7..0][5]

M_A_A[15..0][5]

-M_A_DQS[7..0][5]

M_A_CKE0[5] M_A_CKE1 [5]

M_A_BS2[5]

M_A_DDRCLK0_666M[5]-M_A_DDRCLK0_666M[5]

M_A_DDRCLK1_666M [5]-M_A_DDRCLK1_666M [5]

M_A_BS1 [5]-M_A_RAS [5]

-M_A_CS0 [5]M_A_ODT0 [5]

M_A_BS0[5]

-M_A_CS1[5]M_A_ODT1 [5]

SMB_DATA_3B [13,71]SMB_CLK_3B [13,71]

-DRAMRST [4,13]

-M_A_CAS[5]-M_A_WE[5]

DDR3_VREF_DQ_M3[10]

DDR3_VREF_CA_M3[10]

DRAMRST_GATE[4,27]

VCC1R5A_DIMMDDR3_VREF_DQ VCC1R5A_DIMM

DDR3_VREF_CA

DDR3_VREF

VCC0R75BVCC0R75B

VCC3B

VCC0R75B VCC0R75B

VCC1R5A_DIMM

VCC1R5A_DIMM

VCC3BVCC1R5A_DIMM

VCC1R5A_DIMM VCC1R5A

DDR3_VREFDDR3_VREF_CA

DDR3_VREF_DQDDR3_VREF

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

12 99Monday, June 14, 2010

DDR3 SO DIMM CH-ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

12 99Monday, June 14, 2010

DDR3 SO DIMM CH-ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

12 99Monday, June 14, 2010

DDR3 SO DIMM CH-ANOZOMI-3 SWG SDV2

PLACE 1UF NEAR VCC1R5A PIN.

SPD ADDRESS: 50H

NZM3_SWG_SDV2_EC044

NZM3_SWG_SDV2_EC070

NZM3_SWG_SDV2_EC070

C5831UF_10V

1005_X5R_K

C5831UF_10V

1005_X5R_K

12

C3422.2UF_10V1608_X5R_K

C3422.2UF_10V1608_X5R_K

12

R5011 0_5% 1005_1/16 wR5011 0_5% 1005_1/16 w1 2

C4281UF_10V

1005_X5R_K

C4281UF_10V

1005_X5R_K

12

C871UF_10V1005_X5R_K

C871UF_10V1005_X5R_K

12

R5009 0_5% 1005_1/16 w NAR5009 0_5% 1005_1/16 w NA1 2

C5341UF_10V

1005_X5R_K

C5341UF_10V

1005_X5R_K

12

C3412.2UF_4V

1005_X5R_M

C3412.2UF_4V

1005_X5R_M

12

C4251UF_10V

1005_X5R_K

C4251UF_10V

1005_X5R_K

12

C5401UF_10V

1005_X5R_K

C5401UF_10V

1005_X5R_K

12

C311UF_10V1005_X5R_K

C311UF_10V1005_X5R_K

12

R5008 0_5% 1005_1/16 wR5008 0_5% 1005_1/16 w1 2

C41110UF_6.3V1608_X5R_M

C41110UF_6.3V1608_X5R_M

12

C660.1UF_10V

1005_X5R_K

C660.1UF_10V

1005_X5R_K

12

C4261UF_10V

1005_X5R_K

C4261UF_10V

1005_X5R_K

12

Q1182SK3541

NA

Q1182SK3541

NA 32

1

C3440.1UF_10V

1005_X5R_K

C3440.1UF_10V

1005_X5R_K1

2

C1001UF_10V1005_X5R_K

C1001UF_10V1005_X5R_K

12

C1031UF_10V1005_X5R_K

C1031UF_10V1005_X5R_K

12

C9080.1UF_10V

1005_X5R_K

C9080.1UF_10V

1005_X5R_K

12

C2421UF_10V

1005_X5R_K

C2421UF_10V

1005_X5R_K

12

C46610UF_6.3V1608_X5R_M

C46610UF_6.3V1608_X5R_M

12

R7830.01_1% 0816_1/3 w

R7830.01_1% 0816_1/3 w

1 2

R5010 0_5% 1005_1/16 w NAR5010 0_5% 1005_1/16 w NA1 2

C4271UF_10V

1005_X5R_K

C4271UF_10V

1005_X5R_K

12

Q1222SK3541

NA

Q1222SK3541

NA 32

1

J21

AS0A626_U2R6_7H

J21

AS0A626_U2R6_7H

VREF-DQ1

VSS23

DQ05

DQ17

VSS49

DM011

VSS513

DQ215

DQ317

VSS719

DQ821

DQ923

VSS925

VSS1131

DQ1033

DQ1135

VSS1337

DQ1639

DQ1741

VSS1543

DQS2#45

DQS247

VSS1849

DQ1851

DQ1953

VSS2055

DQ2457

DQ2559

VSS2261

DM363

VSS2365

DQ2667

DQ2769

VSS2571

CKE073

VDD175

NC177

BA279

VDD381

A12/BC#83

A985

A889

A591

VDD793

A395

A197

VDD999

CK0101

CK0#103

VDD11105

A10/AP107

BA0109

VDD13111

WE#113

CAS#115

VDD15117

A13119

S1#121

VDD17123

TEST125

VSS27127

DQ32129

DQ33131

VSS29133

DQS4#135

DQS4137

VSS32139

DQ34141

DQ35143

VSS34145

DQ40147

DQ41149

VSS36151

DM5153

VSS37155

DQ42157

DQ43159

VSS39161

DQ48163

DQ49165

VSS41167

DQS6#169

DQS6171

VSS44173

DQ50175

DQ51177

VSS46179

DQ56181

DQ57183

VSS48185

DM7187

VSS49189

DQ58191

DQ59193

VSS51195

SA0197

VDD-SPD199

SA1201

VTT1203

VSS1 2

DQ4 4

DQ5 6

VSS3 8

DQS0# 10

DQS0 12

VSS6 14

DQ6 16

DQ7 18

VSS8 20

DQ12 22

DQ13 24

VSS10 26

DM1 28

RESET# 30

VSS12 32

DQ14 34

DQ15 36

VSS14 38

DQ20 40

DQ21 42

VSS16 44

DM2 46

DQ22 50

DQ23 52

VSS19 54

DQ28 56

DQ29 58

VSS21 60

DQS3# 62

DQS3 64

VSS24 66

DQ30 68

DQ31 70

VSS26 72

CKE1 74

VDD2 76

A15 78

A14 80

VDD4 82

A11 84

A7 86

VDD6 88

A6 90

A4 92

VDD8 94

A2 96

A0 98

VDD10 100

CK1 102

CK1# 104

VDD12 106

BA1 108

RAS# 110

VDD14 112

S0# 114

ODT0 116

VDD16 118

ODT1 120

NC2 122

VDD18 124

VREF-CA 126

VSS28 128

DQ36 130

DQ37 132

VSS30 134

DM4 136

VSS31 138

DQ38 140

DQ39 142

VSS33 144

DQ44 146

DQ45 148

VSS35 150

DQS5# 152

DQS5 154

VSS38 156

DQ46 158

DQ47 160

VSS40 162

DQ52 164

DQ53 166

VSS42 168

DM6 170

VSS43 172

DQ54 174

DQ55 176

VSS45 178

DQ60 180

DQ61 182

VSS47 184

DQS7# 186

DQS7 188

VSS50 190

DQ62 192

DQ63 194

VSS52 196

EVENT# 198

SDA 200

SCL 202

VTT2 204

VDD587

DQS129DQS1#27

VSS17 48

PA

D1

205

PA

D2

206

T1

207

T2

208

C5371UF_10V

1005_X5R_K

C5371UF_10V

1005_X5R_K

12

C4300.1UF_10V

1005_X5R_K

C4300.1UF_10V

1005_X5R_K

12

Page 13: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M_B_DQ10M_B_DQ11

-M_B_DQS1M_B_DQS1

M_B_DQ50

M_B_A1M_B_A3

M_B_DQ51

M_B_DQ32M_B_DQ33

M_B_DQ34M_B_DQ35

-M_B_DQS6M_B_DQS6

-M_B_CS1

M_B_DQ0

M_B_DQ56M_B_DQ57

M_B_CKE0

M_B_DQ16M_B_DQ17

M_B_A12

M_B_DQ58M_B_DQ59

M_B_DQ18M_B_DQ19

M_B_BS0

M_B_A9

-M_B_DQS2M_B_DQS2

M_B_DQ40M_B_DQ41

M_B_DQ1

M_B_DQ2M_B_DQ3

M_B_DQ42M_B_DQ43

M_B_A5M_B_A8

-M_B_DDRCLK0_666MM_B_DDRCLK0_666M

M_B_DQ24M_B_DQ25

M_B_DQ26M_B_DQ27

M_B_A10

M_B_A13

-M_B_DQS4M_B_DQS4

M_B_BS2

M_B_DQ8M_B_DQ9

M_B_DQ48M_B_DQ49

-M_B_DQS0M_B_DQS0

-M_B_DQS7M_B_DQS7

M_B_DQ12M_B_DQ13

SMB_DATA_3B

-M_B_DDRCLK1_666MM_B_DDRCLK1_666M

M_B_BS1

M_B_DQ14M_B_DQ15

M_B_DQ22M_B_DQ23

M_B_DQ30M_B_DQ31

M_B_DQ38M_B_DQ39

M_B_DQ6M_B_DQ7

M_B_DQ4M_B_DQ5

SMB_CLK_3B

-M_B_CS0M_B_ODT0

M_B_A0M_B_A2

M_B_A4M_B_A6

M_B_A7M_B_A11

-M_B_DQS3M_B_DQS3

M_B_DQ20M_B_DQ21

M_B_DQ36M_B_DQ37

M_B_CKE1

M_B_DQ60M_B_DQ61

M_B_A14M_B_A15

M_B_DQ62M_B_DQ63

M_B_ODT1

-M_B_RAS

M_B_DQ52M_B_DQ53

-M_B_DQS5M_B_DQS5

M_B_DQ44M_B_DQ45

M_B_DQ54M_B_DQ55

-DRAMRST

M_B_DQ28M_B_DQ29

M_B_DQ46M_B_DQ47

-M_B_CAS-M_B_WE

-M_B_CS1[6]

M_B_DQ[63..0][6]

M_B_CKE0[6]

M_B_DQS[7..0][6]

M_B_A[15..0][6]

-M_B_DQS[7..0][6]

M_B_DDRCLK0_666M[6]-M_B_DDRCLK0_666M[6]

M_B_BS0[6]

M_B_BS2[6]

M_B_DDRCLK1_666M [6]

-M_B_CS0 [6]M_B_ODT0 [6]

M_B_BS1 [6]

SMB_DATA_3B [12,71]

-M_B_DDRCLK1_666M [6]

M_B_CKE1 [6]

M_B_ODT1 [6]

SMB_CLK_3B [12,71]

-M_B_RAS [6]

-DRAMRST [4,12]

-M_B_CAS[6]-M_B_WE[6]

VCC0R75B

DDR3_VREF

VCC3B

VCC0R75B

VCC1R5A_DIMMDDR3_VREF_DQ

VCC0R75B

VCC0R75B

VCC1R5A_DIMM

DDR3_VREF_CA

VCC1R5A_DIMM

VCC1R5A_DIMM

VCC1R5A_DIMM VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

13 99Monday, June 14, 2010

DDR3 SO DIMM CH-BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

13 99Monday, June 14, 2010

DDR3 SO DIMM CH-BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

13 99Monday, June 14, 2010

DDR3 SO DIMM CH-BNOZOMI-3 SWG SDV2

PLACE 1UF NEAR VCC1R5A PIN.

SPD ADDRESS: 51H

NZM3_SWG_SDV2_EC044

NZM3_SWG_SDV2_EC077

NZM3_SDV2_SWG_UMA_ECR002

C9440.1UF_10V

1005_X5R_K

C9440.1UF_10V

1005_X5R_K

12

C68210UF_6.3V

1608_X5R_M

C68210UF_6.3V

1608_X5R_M

12

C1801UF_10V

1005_X5R_K

C1801UF_10V

1005_X5R_K

12

C1591UF_10V

1005_X5R_K

C1591UF_10V

1005_X5R_K

12

C4100.1UF_10V

1005_X5R_K

C4100.1UF_10V

1005_X5R_K

12

C571UF_10V

1005_X5R_K

C571UF_10V

1005_X5R_K

12

C6801UF_10V

1005_X5R_K

C6801UF_10V

1005_X5R_K

12

J30

AS0A626_U4RG_7F

J30

AS0A626_U4RG_7F

VREF-DQ1

VSS23

DQ05

DQ17

VSS49

DM011

VSS513

DQ215

DQ317

VSS719

DQ821

DQ923

VSS925

VSS1131

DQ1033

DQ1135

VSS1337

DQ1639

DQ1741

VSS1543

DQS2#45

DQS247

VSS1849

DQ1851

DQ1953

VSS2055

DQ2457

DQ2559

VSS2261

DM363

VSS2365

DQ2667

DQ2769

VSS2571

CKE073

VDD175

NC177

BA279

VDD381

A12/BC#83

A985

A889

A591

VDD793

A395

A197

VDD999

CK0101

CK0#103

VDD11105

A10/AP107

BA0109

VDD13111

WE#113

CAS#115

VDD15117

A13119

S1#121

VDD17123

TEST125

VSS27127

DQ32129

DQ33131

VSS29133

DQS4#135

DQS4137

VSS32139

DQ34141

DQ35143

VSS34145

DQ40147

DQ41149

VSS36151

DM5153

VSS37155

DQ42157

DQ43159

VSS39161

DQ48163

DQ49165

VSS41167

DQS6#169

DQS6171

VSS44173

DQ50175

DQ51177

VSS46179

DQ56181

DQ57183

VSS48185

DM7187

VSS49189

DQ58191

DQ59193

VSS51195

SA0197

VDD-SPD199

SA1201

VTT1203

VSS1 2

DQ4 4

DQ5 6

VSS3 8

DQS0# 10

DQS0 12

VSS6 14

DQ6 16

DQ7 18

VSS8 20

DQ12 22

DQ13 24

VSS10 26

DM1 28

RESET# 30

VSS12 32

DQ14 34

DQ15 36

VSS14 38

DQ20 40

DQ21 42

VSS16 44

DM2 46

DQ22 50

DQ23 52

VSS19 54

DQ28 56

DQ29 58

VSS21 60

DQS3# 62

DQS3 64

VSS24 66

DQ30 68

DQ31 70

VSS26 72

CKE1 74

VDD2 76

A15 78

A14 80

VDD4 82

A11 84

A7 86

VDD6 88

A6 90

A4 92

VDD8 94

A2 96

A0 98

VDD10 100

CK1 102

CK1# 104

VDD12 106

BA1 108

RAS# 110

VDD14 112

S0# 114

ODT0 116

VDD16 118

ODT1 120

NC2 122

VDD18 124

VREF-CA 126

VSS28 128

DQ36 130

DQ37 132

VSS30 134

DM4 136

VSS31 138

DQ38 140

DQ39 142

VSS33 144

DQ44 146

DQ45 148

VSS35 150

DQS5# 152

DQS5 154

VSS38 156

DQ46 158

DQ47 160

VSS40 162

DQ52 164

DQ53 166

VSS42 168

DM6 170

VSS43 172

DQ54 174

DQ55 176

VSS45 178

DQ60 180

DQ61 182

VSS47 184

DQS7# 186

DQS7 188

VSS50 190

DQ62 192

DQ63 194

VSS52 196

EVENT# 198

SDA 200

SCL 202

VTT2 204

VDD587

DQS129DQS1#27

VSS17 48

NC3207 NC4 208

GND1205 GND2 206

C2141UF_10V

1005_X5R_K

C2141UF_10V

1005_X5R_K

12

C581UF_10V

1005_X5R_K

C581UF_10V

1005_X5R_K

12

C1601UF_10V

1005_X5R_K

C1601UF_10V

1005_X5R_K

12

C1291UF_10V

1005_X5R_K

C1291UF_10V

1005_X5R_K

12

C1281UF_10V

1005_X5R_K

C1281UF_10V

1005_X5R_K

12

C1891UF_10V

1005_X5R_K

C1891UF_10V

1005_X5R_K

12 C97

0.1UF_10V

1005_X5R_K

C970.1UF_10V

1005_X5R_K

12

C10410UF_6.3V

1608_X5R_M

C10410UF_6.3V

1608_X5R_M

12

R18710K_5%

1005_1/16 w

R18710K_5%

1005_1/16 w

12

C9102.2UF_10V1608_X5R_K

C9102.2UF_10V1608_X5R_K

12C108

1UF_10V

1005_X5R_K

C1081UF_10V

1005_X5R_K

12

C1811UF_10V

1005_X5R_K

C1811UF_10V

1005_X5R_K

12

C5550.1UF_10V

1005_X5R_K

C5550.1UF_10V

1005_X5R_K

12

C4002.2UF_4V

1005_X5R_M

C4002.2UF_4V

1005_X5R_M

12

C2131UF_10V

1005_X5R_K

C2131UF_10V

1005_X5R_K

12

Page 14: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC1R5A_DIMM

VCC1R5A_DIMM

VCC0R75B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

14 99Monday, June 14, 2010

DDR3 DECOUPLINGNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

14 99Monday, June 14, 2010

DDR3 DECOUPLINGNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

14 99Monday, June 14, 2010

DDR3 DECOUPLINGNOZOMI-3 SWG SDV2

C

C46210UF_6.3V

1608_X5R_M

C46210UF_6.3V

1608_X5R_M

12

C48510UF_6.3V

1608_X5R_M

C48510UF_6.3V

1608_X5R_M

12

C47710UF_6.3V

1608_X5R_M

C47710UF_6.3V

1608_X5R_M

12

C49010UF_6.3V

1608_X5R_M

C49010UF_6.3V

1608_X5R_M

12

C51810UF_6.3V

1608_X5R_M

C51810UF_6.3V

1608_X5R_M

12

C50310UF_6.3V

1608_X5R_M

C50310UF_6.3V

1608_X5R_M

12

C47910UF_6.3V

1608_X5R_M

C47910UF_6.3V

1608_X5R_M

12

C48110UF_6.3V

1608_X5R_M

C48110UF_6.3V

1608_X5R_M

12

C48410UF_6.3V

1608_X5R_M

C48410UF_6.3V

1608_X5R_M

12

C48010UF_6.3V

1608_X5R_M

C48010UF_6.3V

1608_X5R_M

12

C49810UF_6.3V

1608_X5R_M

C49810UF_6.3V

1608_X5R_M

12

C48910UF_6.3V

1608_X5R_M

C48910UF_6.3V

1608_X5R_M

12

C50910UF_6.3V

1608_X5R_M

C50910UF_6.3V

1608_X5R_M

12

C52410UF_6.3V

1608_X5R_M

C52410UF_6.3V

1608_X5R_M

12

C45110UF_6.3V

1608_X5R_M

C45110UF_6.3V

1608_X5R_M

12

C49710UF_6.3V

1608_X5R_M

C49710UF_6.3V

1608_X5R_M

12

C51710UF_6.3V

1608_X5R_M

C51710UF_6.3V

1608_X5R_M

12

C46310UF_6.3V

1608_X5R_M

NA

C46310UF_6.3V

1608_X5R_M

NA

12

C45510UF_6.3V

1608_X5R_M

NA

C45510UF_6.3V

1608_X5R_M

NA

12

C48610UF_6.3V

1608_X5R_M

C48610UF_6.3V

1608_X5R_M

12

Page 15: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

PCIE_GFX_RXP_C0 PCIE_GFX_RXP0PCIE_GFX_RXP_C1 PCIE_GFX_RXP1

PCIE_GFX_TXP0PCIE_GFX_TXP1PCIE_GFX_TXP2PCIE_GFX_TXP3PCIE_GFX_TXP4PCIE_GFX_TXP5PCIE_GFX_TXP6PCIE_GFX_TXP7

PCIE_GFX_RXP_C3 PCIE_GFX_RXP3PCIE_GFX_RXP_C2 PCIE_GFX_RXP2

PCIE_GFX_TXP8PCIE_GFX_TXP9PCIE_GFX_TXP10PCIE_GFX_TXP11PCIE_GFX_TXP12PCIE_GFX_TXP13PCIE_GFX_TXP14PCIE_GFX_TXP15

PCIE_GFX_RXP_C5 PCIE_GFX_RXP5PCIE_GFX_RXP_C4 PCIE_GFX_RXP4

PCIE_GFX_TXN0PCIE_GFX_TXN1PCIE_GFX_TXN2PCIE_GFX_TXN3PCIE_GFX_TXN4PCIE_GFX_TXN5PCIE_GFX_TXN6PCIE_GFX_TXN7PCIE_GFX_TXN8PCIE_GFX_TXN9PCIE_GFX_TXN10PCIE_GFX_TXN11PCIE_GFX_TXN12PCIE_GFX_TXN13PCIE_GFX_TXN14PCIE_GFX_TXN15

PCIE_GFX_RXP_C6 PCIE_GFX_RXP6PCIE_GFX_RXP_C7 PCIE_GFX_RXP7PCIE_GFX_RXP_C8 PCIE_GFX_RXP8

PCIE_GFX_RXP_C10 PCIE_GFX_RXP10PCIE_GFX_RXP_C9 PCIE_GFX_RXP9

PCIE_GFX_RXP_C12 PCIE_GFX_RXP12PCIE_GFX_RXP_C11 PCIE_GFX_RXP11

PCIE_GFX_RXP_C13 PCIE_GFX_RXP13PCIE_GFX_RXP_C14 PCIE_GFX_RXP14PCIE_GFX_RXP_C15 PCIE_GFX_RXP15

PCIE_GFX_RXN_C1 PCIE_GFX_RXN1PCIE_GFX_RXN_C0 PCIE_GFX_RXN0

PCIE_GFX_RXN_C3 PCIE_GFX_RXN3PCIE_GFX_RXN_C2 PCIE_GFX_RXN2

PCIE_GFX_RXN_C4 PCIE_GFX_RXN4PCIE_GFX_RXN_C5 PCIE_GFX_RXN5PCIE_GFX_RXN_C6 PCIE_GFX_RXN6

PCIE_GFX_RXN_C8 PCIE_GFX_RXN8PCIE_GFX_RXN_C7 PCIE_GFX_RXN7

PCIE_GFX_RXN_C10 PCIE_GFX_RXN10PCIE_GFX_RXN_C9 PCIE_GFX_RXN9

PCIE_GFX_RXN_C11 PCIE_GFX_RXN11PCIE_GFX_RXN_C12 PCIE_GFX_RXN12PCIE_GFX_RXN_C13 PCIE_GFX_RXN13

PCIE_GFX_RXN_C15 PCIE_GFX_RXN15PCIE_GFX_RXN_C14 PCIE_GFX_RXN14

-GPU_RST[68]

GFX_CLK_100M[24]-GFX_CLK_100M[24]

PCIE_GFX_TXP[15:0][3]

-CLKREQ_GFX[24]

PCIE_GFX_TXN[15:0][3]

PCIE_GFX_RXP[15:0] [3]

PCIE_GFX_RXN[15:0] [3]

1R05VIDEO_ON[68,91]

VCC1R05VIDEO

VCC3VIDEO

VCC1R05VIDEO_PLL

VCC3VIDEO

VCC1R05VIDEO

VCC5MVCC1R5A

VCC1R05VIDEO_PLL

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

15 99Monday, June 14, 2010

N12M-NS(1/6):PEG I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

15 99Monday, June 14, 2010

N12M-NS(1/6):PEG I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

15 99Monday, June 14, 2010

N12M-NS(1/6):PEG I/FNOZOMI-3 SWG SDV2

C

1.6A

2200mA

120mA

120mA

CNV_EC028

SDV_EC071

NZM3_SWG_SDV2_EC004

PLACE C539 UNDER GPU

NZM3_SWG_SDV2_EC004

NZM3_SWG_SDV2_EC004

NZM3_SWG_SDV2_EC004

PLACE C494, C541 AND C544 UNDER GPU

NZM3_SWG_SDV2_EC004

NZM3_SWG_SDV2_EC056

NZM3_SWG_SDV2_EC056

NZM3_SWG_SDV2_EC067

C881UF_10V1005_X5R_K

C881UF_10V1005_X5R_K

12

C4191UF_10V1005_X5R_K

C4191UF_10V1005_X5R_K

12

C6310.1UF_10V 1005_X5R_K

C6310.1UF_10V 1005_X5R_K

1 2

C10250.1UF_10V 1005_X5R_K

C10250.1UF_10V 1005_X5R_K

1 2

C12046800PF_25V1005_X5R_K

C12046800PF_25V1005_X5R_K

12

C10380.1UF_10V 1005_X5R_K

C10380.1UF_10V 1005_X5R_K

1 2

C3254.7UF_6.3V1608_X5R_K

C3254.7UF_6.3V1608_X5R_K

12

R107410k_1%1005_1/16 w

R107410k_1%1005_1/16 w

12

C10180.1UF_10V 1005_X5R_K

C10180.1UF_10V 1005_X5R_K

1 2

C10270.1UF_10V 1005_X5R_K

C10270.1UF_10V 1005_X5R_K

1 2

C52310UF_6.3V1608_X5R_M

C52310UF_6.3V1608_X5R_M

12

C12022.2UF_10V

1608_X5R_K

C12022.2UF_10V

1608_X5R_K

12

C8590.1UF_10V 1005_X5R_K

C8590.1UF_10V 1005_X5R_K

1 2

C44822UF_6.3V2125_X5R_M

C44822UF_6.3V2125_X5R_M

12

R416

1K_5% 1005_1/16 w

R416

1K_5% 1005_1/16 w1 2

C10200.1UF_10V 1005_X5R_K

C10200.1UF_10V 1005_X5R_K

1 2

U47F

IC N12M_NS

U47F

IC N12M_NS

PEX_RX3AE15

PEX_RX4AG15

PEX_RX5AF16

PEX_RX6AE18

PEX_IOVDD1AC9

PEX_RX6AF18

PEX_RX2AE13

PEX_RX15AF27

PEX_RX10AG21

REX_REFCLKAC10

PEX_RSTAD9

PEX_IOVDDQ3 AB9

PEX_IOVDDQ4 AB13

PEX_IOVDDQ5 AB16

PEX_IOVDDQ7 AC7

PEX_IOVDDQ8 AC13

PEX_IOVDDQ9 AD6

PEX_IOVDDQ10 AE6

PEX_IOVDDQ11 AF6

PEX_TSTCLK_OUT AE10

PEX_TX1 AD12

PEX_TERMP AG10

PEX_TSTCLK_OUT AF10

PEX_IOVDD2AD7

PEX_IOVDD5AF7

PEX_IOVDD6AG7

PEX_PLLVDDAF9

PEX_SVDD_3V3AG9

PEX_CLKREQAE9

REX_REFCLKAB10

PEX_RX0AE12

PEX_RX1AG12

PEX_RX2AF13

PEX_RX7AG18

PEX_RX8AF19

PEX_RX9AE21

PEX_RX11AF22

PEX_RX12AE24

PEX_RX13AG24

PEX_RX14AG25

PEX_RX0AF12

PEX_RX1AG13

PEX_RX3AF15

PEX_RX4AG16

PEX_RX5AE16

PEX_RX7AG19

PEX_RX8AE19

PEX_RX9AF21

PEX_RX10AG22

PEX_RX11AE22

PEX_RX12AF24

PEX_RX13AF25

PEX_RX14AG26

PEX_RX15AE27

PEX_IOVDDQ1 AB7

PEX_IOVDDQ2 AB8

PEX_IOVDDQ6 AB17

PEX_IOVDDQ12 AG6

PEX_TX0 AD10

PEX_TX2 AB11

PEX_TX3 AD13

PEX_TX4 AD15

PEX_TX5 AB14

PEX_TX6 AC16

PEX_TX7 AD17

PEX_TX8 AC18

PEX_TX9 AB19

PEX_TX10 AD19

PEX_TX11 AD21

PEX_TX12 AB21

PEX_TX13 AC22

PEX_TX14 AD23

PEX_TX15 AE25

PEX_TX0 AD11

PEX_TX1 AC12

PEX_TX2 AB12

PEX_TX3 AD14

PEX_TX4 AC15

PEX_TX5 AB15

PEX_TX6 AD16

PEX_TX7 AD18

PEX_TX8 AB18

PEX_TX9 AB20

PEX_TX10 AD20

PEX_TX11 AC21

PEX_TX12 AB22

PEX_TX13 AD22

PEX_TX14 AD24

PEX_TX15 AE26

PEX_IOVDD4AE7PEX_IOVDD3AD8

C10154.7UF_6.3V1608_X5R_K

C10154.7UF_6.3V1608_X5R_K

12

C10320.1UF_10V 1005_X5R_K

C10320.1UF_10V 1005_X5R_K

1 2

C6220.1UF_10V 1005_X5R_K

C6220.1UF_10V 1005_X5R_K

1 2

C7250.1UF_10V 1005_X5R_K

C7250.1UF_10V 1005_X5R_K

1 2

C3884.7UF_6.3V1608_X5R_K

NA

C3884.7UF_6.3V1608_X5R_K

NA

12

C5311UF_10V1005_X5R_K

C5311UF_10V1005_X5R_K

12

C12071000PF_50V1005_X7R_ K

NA

C12071000PF_50V1005_X7R_ K

NA

12

R214

200_1% 1005_1/16 w NA

R214

200_1% 1005_1/16 w NA1 2

C10360.1UF_10V 1005_X5R_K

C10360.1UF_10V 1005_X5R_K

1 2

C88510UF_6.3V1608_X5R_M

C88510UF_6.3V1608_X5R_M

12

C10370.1UF_10V 1005_X5R_K

C10370.1UF_10V 1005_X5R_K

1 2

C5410.1UF_10V1005_X7R_K

C5410.1UF_10V1005_X7R_K

12

C1370.1UF_10V1005_X7R_K

C1370.1UF_10V1005_X7R_K

12

C3320.1UF_10V1005_X7R_K

NA

C3320.1UF_10V1005_X7R_K

NA

12

R13210K_5%1005_1/16 w

R13210K_5%1005_1/16 w

12

R391

10K_5% 1005_1/16 w

R391

10K_5% 1005_1/16 w1 2

C9251UF_10V1005_X5R_K

C9251UF_10V1005_X5R_K

12

C4490.1UF_10V 1005_X5R_K

C4490.1UF_10V 1005_X5R_K

1 2

C8610.1UF_10V 1005_X5R_K

C8610.1UF_10V 1005_X5R_K

1 2

C4880.1UF_10V 1005_X5R_K

C4880.1UF_10V 1005_X5R_K

1 2

C10230.1UF_10V 1005_X5R_K

C10230.1UF_10V 1005_X5R_K

1 2

C5590.1UF_10V 1005_X5R_K

C5590.1UF_10V 1005_X5R_K

1 2

C6360.1UF_10V 1005_X5R_K

C6360.1UF_10V 1005_X5R_K

1 2

C8570.1UF_10V 1005_X5R_K

C8570.1UF_10V 1005_X5R_K

1 2

C191UF_10V1005_X5R_K

C191UF_10V1005_X5R_K

12

R192.49K_1%1005_1/16 w

R192.49K_1%1005_1/16 w

12

U3BD3552HFNU3BD3552HFN

FB 6VO 5V

CC

1

GATE 3

FIN

9G

ND

8V

IN4

NR

CS

7

EN2

C5960.1UF_10V 1005_X5R_K

C5960.1UF_10V 1005_X5R_K

1 2

C5440.1UF_10V1005_X7R_K

C5440.1UF_10V1005_X7R_K

12

R28610K_5%1005_1/16 w

R28610K_5%1005_1/16 w

12

C8620.1UF_10V 1005_X5R_K

C8620.1UF_10V 1005_X5R_K

1 2

C10300.1UF_10V 1005_X5R_K

C10300.1UF_10V 1005_X5R_K

1 2

C8120.1UF_10V 1005_X5R_K

C8120.1UF_10V 1005_X5R_K

1 2

D55

1SS400G

D55

1SS400G

1 2

C5390.1UF_10V1005_X7R_K

C5390.1UF_10V1005_X7R_K

12

C10240.1UF_10V 1005_X5R_K

C10240.1UF_10V 1005_X5R_K

1 2

C10310.1UF_10V 1005_X5R_K

C10310.1UF_10V 1005_X5R_K

1 2

C9240.1UF_10V 1005_X5R_K

C9240.1UF_10V 1005_X5R_K

1 2

C384.7UF_6.3V1608_X5R_K

C384.7UF_6.3V1608_X5R_K

12

C88622UF_6.3V2125_X5R_M

C88622UF_6.3V2125_X5R_M

12

C4940.1UF_10V1005_X7R_K

C4940.1UF_10V1005_X7R_K

12

C6860.1UF_10V 1005_X5R_K

C6860.1UF_10V 1005_X5R_K

1 2

C121022UF_6.3V2125_X5R_M

C121022UF_6.3V2125_X5R_M

12

C10350.1UF_10V 1005_X5R_K

C10350.1UF_10V 1005_X5R_K

1 2

C12032.2UF_4V1005_X5R_M

C12032.2UF_4V1005_X5R_M

12

C614.7UF_6.3V1608_X5R_K

C614.7UF_6.3V1608_X5R_K

12

R10756.34K_1%1005_1/16 w

R10756.34K_1%1005_1/16 w

12

C10190.1UF_10V 1005_X5R_K

C10190.1UF_10V 1005_X5R_K

1 2

C441UF_10V1005_X5R_K

C441UF_10V1005_X5R_K

12

C1020.1UF_10V1005_X5R_K

C1020.1UF_10V1005_X5R_K

12

C1205

0.1UF_10V1005_X5R_K

C1205

0.1UF_10V1005_X5R_K

1 2

C10260.1UF_10V 1005_X5R_K

C10260.1UF_10V 1005_X5R_K

1 2

C7190.1UF_10V 1005_X5R_K

C7190.1UF_10V 1005_X5R_K

1 2

L140.1uH 0603LS-101XJLBL140.1uH 0603LS-101XJLB

21

C12061000PF_50V1005_X7R_ K

NA

C12061000PF_50V1005_X7R_ K

NA

12

C10340.1UF_10V 1005_X5R_K

C10340.1UF_10V 1005_X5R_K

1 2

R1073300_5%1005_1/16 w

NA

R1073300_5%1005_1/16 w

NA

12

Page 16: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

IFPD_DP0P [37]IFPD_DP0N [37]IFPD_DP1P [37]IFPD_DP1N [37]IFPD_DP2P [37]IFPD_DP2N [37]IFPD_DP3P [37]IFPD_DP3N [37]

DOCKA_IFPD_DPAUXP [37]DOCKA_IFPD_DPAUXN [37]

IFPE_DP1P [37]IFPE_DP1N [37]IFPE_DP2P [37]IFPE_DP2N [37]IFPE_DP3P [37]IFPE_DP3N [37]

DOCKB_IFPE_DPAUXP [37]DOCKB_IFPE_DPAUXN [37]

IFPE_DP0P [37]IFPE_DP0N [37]

TXCLK_LP_D[36]

TXOUT_L0P_D[36]TXCLK_LN_D[36]

TXOUT_L0N_D[36]

TXOUT_L1N_D[36]TXOUT_L1P_D[36]

TXOUT_L2N_D[36]TXOUT_L2P_D[36]

TXOUT_U1N_D[36]TXOUT_U1P_D[36]

TXOUT_U2N_D[36]TXOUT_U2P_D[36]

TXCLK_UP_D[36]

TXOUT_U0N_D[36]TXOUT_U0P_D[36]

TXCLK_UN_D[36]

BLUE_D[33]

GREEN_D[33]

RED_D[33]

HSYNC_D[34]VSYNC_D[34]

IFPC_DP0P [35]IFPC_DP0N [35]

IFPC_DP1N [35]IFPC_DP1P [35]

IFPC_DP2N [35]IFPC_DP2P [35]

IFPC_DP3N [35]IFPC_DP3P [35]

IFPC_DPAUXP [35]IFPC_DPAUXN [35]

VCC3VIDEO

VCC1R05VIDEO_PLL

VCC1R05VIDEO_PLL

VCC1R05VIDEO_PLL

VCC3VIDEO

VCC3VIDEO

VCC1R05VIDEO_PLL

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

16 99Monday, June 14, 2010

N12M-NS(2/6):DIGITAL OUT I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

16 99Monday, June 14, 2010

N12M-NS(2/6):DIGITAL OUT I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

16 99Monday, June 14, 2010

N12M-NS(2/6):DIGITAL OUT I/FNOZOMI-3 SWG SDV2

C

120mA

105mA

855mA

300mA

660mA

220mA

PLACE C674 AND C556 UNDER GPUNZM3_SWG_SDV2_EC005

PLACE C546, C547 AND C549 UNDER GPUNZM3_SWG_SDV2_EC005

PLACE C895 UNDER GPUNZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC005

NZM3_SWG_SDV2_EC057

NZM3_SWG_SDV2_EC057

NZM3_SWG_SDV2_EC057

NZM3_SWG_SDV2_EC057

NZM3_SWG_SDV2_EC057

NZM3_SWG_SDV2_EC057

NZM3_SWG_SDV2_EC084

NZM3_SWG_SDV2_EC084

NZM3_SWG_SDV2_EC084

NZM3_SWG_SDV2_EC084

NZM3_SWG_SDV2_EC084

NZM3_SWG_SDV2_EC099

C11471UF_10V1005_X5R_K

C11471UF_10V1005_X5R_K

12

C1152470PF_50V1005_X7R_K

C1152470PF_50V1005_X7R_K

12L38

MPZ1608S221AL38MPZ1608S221A

21

L26

0.1uH 0603LS-101XJLB

L26

0.1uH 0603LS-101XJLB

21

U47E

IC N12M_NS

U47E

IC N12M_NS

IFP

E_I

OV

DD

H6

IFP

CD

_IO

VD

DJ6

IFP

C_P

LLV

DD

P6

IFP

E_P

LLV

DD

D7

IFP

A_I

OV

DD

V3

IFPA_TXCAC4

IFPA_TXCAD4

IFPA_TXD0V5

IFPA_TXD0V4

IFPA_TXD1AA5

IFPA_TXD1AA4

IFPA_TXD2W4

IFPA_TXD2Y4

IFPA_TXD3AB4

IFPA_TXD3AB5

IFPB_TXCAB3

IFPB_TXCAB2

IFPB_TXD4W1

IFPB_TXD4V1

IFPB_TXD5W3

IFPB_TXD5W2

IFPB_TXD6AA2

IFPB_TXD6AA3

IFPB_TXD7AB1

IFPB_TXD7AA1

IFPAB_RSETAB6

DACA_BLUEAD3

DACA_GREENAE3

DACA_REDAE2

DACA_HSYNCAD2

DACA_VSYNCAD1

DACA_RSETAE1

DACA_VREFAF1

DACB_BLUER4

DACB_GREENT4

DACB_REDT5

DACB_HSYNCU6

DACB_VSYNCU4

DACB_RSETV6

DACB_VREFR6

IFPC_L0 P4

IFPC_L0 N4

IFPC_L1 M5

IFPC_L1 M4

IFPC_L2 L4

IFPC_L2 K4

IFPC_L3 H4

IFPC_L3 J4

IFPC_AUX_I2CW_SCL G4

IFPC_AUX_I2CW_SDA G5

IFPC_RSET R5

IFPD_L0 F5

IFPD_L0 F4

IFPD_L1 E4

IFPD_L1 D5

IFPD_L2 C3

IFPD_L2 C4

IFPD_L3 B3

IFPD_L3 B4

IFPD_AUX_I2CX_SCL D3

IFPD_AUX_I2CX_SDA D4

IFPD_RSET M6

IFPE_L0 D6

IFPE_L0 C6

IFPE_L1 A6

IFPE_L1 A7

IFPE_L2 B6

IFPE_L2 B7

IFPE_L3 E6

IFPE_L3 E7

IFPE_AUX_I2CY_SCL F7

IFPE_AUX_I2CY_SDA G6

IFPE_RSET F8

IFP

D_P

LLV

DD

N6

DA

CA

_VD

DA

G2

PLL

VD

DK

5

SP

_PLL

VD

DL6

VID

_PLL

VD

DK

6

DA

CB

_VD

DW

5

IFP

B_I

OV

DD

V2

IFP

AB

_PLL

VD

DA

D5

L31MPZ1608S331AL31MPZ1608S331A

21

C5730.1UF_10V1005_X5R_K

C5730.1UF_10V1005_X5R_K

12

C5480.1UF_10V1005_X5R_K

C5480.1UF_10V1005_X5R_K

12

L25BLM18PG181SN1L25BLM18PG181SN1

21

C11541UF_10V1005_X5R_K

C11541UF_10V1005_X5R_K

12

C5460.1UF_10V1005_X7R_K

C5460.1UF_10V1005_X7R_K

12

C8950.1UF_10V1005_X7R_K

C8950.1UF_10V1005_X7R_K

12

R1013150_1%1005_1/16 w

R1013150_1%1005_1/16 w

12

R52 1K_1% 1005_1/16 w NAR52 1K_1% 1005_1/16 w NA1 2

R198 0_5% 1005_1/16 wNAR198 0_5% 1005_1/16 wNA

1 2

R88124_1%1005_1/16 w

R88124_1%1005_1/16 w

12

R1011150_1%1005_1/16 w

R1011150_1%1005_1/16 w

12

C5560.1UF_10V1005_X7R_K

C5560.1UF_10V1005_X7R_K

12

C10684.7UF_6.3V1608_X5R_K

C10684.7UF_6.3V1608_X5R_K

12

C4091UF_10V1005_X5R_KNA

C4091UF_10V1005_X5R_KNA

12

C944.7UF_6.3V1608_X5R_K

C944.7UF_6.3V1608_X5R_K

12

C8974700PF_25V1005_X7R_K

C8974700PF_25V1005_X7R_K

12

C8794.7UF_6.3V1608_X5R_K

C8794.7UF_6.3V1608_X5R_K

12

R34210K_5%

1005_1/16 wNA

R34210K_5%

1005_1/16 wNA1

2

C7424.7UF_6.3V1608_X5R_K

C7424.7UF_6.3V1608_X5R_K

12

R54 1K_1% 1005_1/16 wR54 1K_1% 1005_1/16 w1 2

R96

1K_1% 1005_1/16 w

R96

1K_1% 1005_1/16 w1 2

R111

1K_1% 1005_1/16 w

R111

1K_1% 1005_1/16 w1 2

C9210.1UF_10V1005_X5R_K

C9210.1UF_10V1005_X5R_K

12

C8880.1UF_10V1005_X7R_K

C8880.1UF_10V1005_X7R_K

12

C133410UF_6.3V1608_X5R_K

NA

C133410UF_6.3V1608_X5R_K

NA

12

C6580.1UF_10V1005_X7R_K

C6580.1UF_10V1005_X7R_K

12

L34BLM18PG181SN1L34BLM18PG181SN1

21

R29610K_5%

1005_1/16 w

R29610K_5%

1005_1/16 w12

L44MMZ1608R301AL44MMZ1608R301A

21

L470.1uH 0603LS-101XJLBL470.1uH 0603LS-101XJLB

21

C5510.1UF_10V1005_X5R_K

C5510.1UF_10V1005_X5R_K

12

C5470.1UF_10V1005_X7R_K

C5470.1UF_10V1005_X7R_K

12

C9514.7UF_6.3V1608_X5R_K

NAC951

4.7UF_6.3V1608_X5R_K

NA12

C11531UF_10V1005_X5R_K

C11531UF_10V1005_X5R_K

12

C6740.1UF_10V1005_X7R_K

C6740.1UF_10V1005_X7R_K

12

C7054.7UF_6.3V1608_X5R_K

C7054.7UF_6.3V1608_X5R_K

12

R1012150_1%1005_1/16 w

R1012150_1%1005_1/16 w

12

C5864.7UF_6.3V1608_X5R_K

C5864.7UF_6.3V1608_X5R_K

12

C3660.1UF_10V1005_X5R_K

C3660.1UF_10V1005_X5R_K

12

L36

MP

Z16

08S

221A

L36

MP

Z16

08S

221A

21

C10631UF_10V1005_X5R_K

C10631UF_10V1005_X5R_K

12

C5360.1UF_10V1005_X7R_K

C5360.1UF_10V1005_X7R_K

12

C11504.7UF_6.3V1608_X5R_K

C11504.7UF_6.3V1608_X5R_K

12

C5681UF_10V1005_X5R_K

C5681UF_10V1005_X5R_K

12

C5651UF_10V1005_X5R_K

C5651UF_10V1005_X5R_K

12

C8821UF_10V1005_X5R_K

C8821UF_10V1005_X5R_K

12

C5451UF_10V1005_X5R_K

C5451UF_10V1005_X5R_K

12

C5490.1UF_10V1005_X7R_K

C5490.1UF_10V1005_X7R_K

12

C5644.7UF_6.3V1608_X5R_K

C5644.7UF_6.3V1608_X5R_K

12

Page 17: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

FBA_D0FBA_D1FBA_D2FBA_D3FBA_D4FBA_D5FBA_D6FBA_D7FBA_D8FBA_D9FBA_D10FBA_D11FBA_D12FBA_D13FBA_D14FBA_D15FBA_D16FBA_D17FBA_D18FBA_D19FBA_D20FBA_D21FBA_D22FBA_D23FBA_D24FBA_D25FBA_D26FBA_D27FBA_D28FBA_D29FBA_D30FBA_D31FBA_D32FBA_D33FBA_D34FBA_D35FBA_D36FBA_D37FBA_D38FBA_D39FBA_D40FBA_D41FBA_D42FBA_D43FBA_D44FBA_D45FBA_D46FBA_D47FBA_D48FBA_D49FBA_D50FBA_D51FBA_D52FBA_D53FBA_D54FBA_D55FBA_D56FBA_D57FBA_D58FBA_D59FBA_D60FBA_D61FBA_D62FBA_D63

FBA_A8 [21]

FBA_DM4 [21]

FBA_AL9_AU11 [21]-FBA_CS0_U [21]

FBA_DM5 [21]FBA_DM6 [21]FBA_DM7 [21]

-FBA_CLK0 [21]

FBA_BA0 [21]

FBA_CKE_U [21]

FBA_AL7_AU6 [21]

-FBA_CLK1 [21]FBA_CLK1 [21]

-FBA_RST [21]FBA_AU13 [21]FBA_BA2U [21]

FBA_AL0_AU12 [21]-FBA_CAS [21]

FBA_DM0 [21]

FBA_D[63:0][21]

FBA_AL13 [21]FBA_WEL_AU10 [21]

FBA_DM1 [21]FBA_DM2 [21]

FBA_CLK0 [21]

FBA_DM3 [21]

FBA_ODT_L [21]

FBA_DQS0 [21]FBA_DQS1 [21]FBA_DQS2 [21]FBA_DQS3 [21]FBA_DQS4 [21]FBA_DQS5 [21]FBA_DQS6 [21]FBA_DQS7 [21]

-FBA_DQS0 [21]-FBA_DQS1 [21]-FBA_DQS2 [21]-FBA_DQS3 [21]-FBA_DQS4 [21]-FBA_DQS5 [21]-FBA_DQS6 [21]-FBA_DQS7 [21]

FBA_CKE_L [21]

-FBA_CS0_L [21]

FBA_AL2_AU1 [21]FBA_AL11_AU9 [21]FBA_AL5_AU4 [21]

FBA_BA1L_AU3 [21]

FBA_BA2L [21]FBA_AL3_BA1U [21]

FBA_ODT_U [21]FBA_AL4_AU5 [21]

FBA_AL1_AU2 [21]FBA_AL10_WEU [21]FBA_AL12_AU0 [21]

-FBA_RAS [21]

FBA_AL6_AU7 [21]

VCC1R5VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

17 99Monday, June 14, 2010

N12M-NS(3/6):VRAM I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

17 99Monday, June 14, 2010

N12M-NS(3/6):VRAM I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

17 99Monday, June 14, 2010

N12M-NS(3/6):VRAM I/FNOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC006

SWG_SDV2_EC035

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC098

R12760.4_1%

1005_1/16 w

R12760.4_1%

1005_1/16 w12

R13010K_5%1005_1/16 w

R13010K_5%1005_1/16 w

12

R13140.2_1%

1005_1/16 w

R13140.2_1%

1005_1/16 w12

R47210K_5%

1005_1/16 w

R47210K_5%

1005_1/16 w

12

R30910K_5%1005_1/16 w

R30910K_5%1005_1/16 w

12

U47D

IC N12M_NS

U47D

IC N12M_NS

FBA_D63N26

FBA_D59V27

FBA_D48AA25 FBA_D47V22FBA_D46W22FBA_D45W23 FBA_D44AA22FBA_D43W24

FBA_CMD26 G27

FBA_CMD27 M24

FBA_CMD29 J22

FBA_D31A26

FB_CAL_TERM_GND B16FB_CAL_PU_GND A15

FBA_DQS_RN7 R27FBA_DQS_RN6 AA27FBA_DQS_RN5 Y24FBA_DQS_RN4 R22FBA_DQS_RN3 B24FBA_DQS_RN2 E18FBA_DQS_RN1 A18

FBA_DQS_WP7 T27FBA_DQS_WP6 AA26FBA_DQS_WP5 AA24

FBA_CMD24 J26FBA_CMD23 F27FBA_CMD22 H24FBA_CMD21 M26FBA_CMD20 H22FBA_CMD19 K25FBA_CMD18 G22FBA_CMD17 K24FBA_CMD16 K23FBA_CMD15 L24FBA_CMD14 G25

FBA_CMD12 M25FBA_CMD11 J23FBA_CMD10 G26FBA_CMD9 G23

FBA_CMD8 J27FBA_CMD7 J25FBA_CMD6 K26

FBA_CMD4 N27FBA_CMD3 M23FBA_CMD2 F25FBA_CMD1 J24FBA_CMD0 F26

FBA_DQM5 AA23FBA_DQM4 T24FBA_DQM3 D23FBA_DQM2 D19FBA_DQM1 B19FBA_DQM0 C26

FBA_CLK0 F23FBA_CLK0 F24

FBA_D62N25FBA_D61T25FBA_D60R26

FBA_D56V25FBA_D55AD27 FBA_D54AD26FBA_D53AB26 FBA_D52AB25FBA_D51W25FBA_D50W26 FBA_D49W27

FBA_D42AB24FBA_D41AB23FBA_D40AC24 FBA_D39P22FBA_D38P24 FBA_D37R23FBA_D36T23FBA_D35R24 FBA_D34V23FBA_D33V24 FBA_D32U24

FBA_D30B25

FBA_D28C22 FBA_D27B22

FBA_D14B18

FBA_D7B27FBA_D6C27FBA_D5D27

FBA_D0D22

FBA_D26D21FBA_D25C24 FBA_D24A22

FBA_DQM6 AB27

FBA_D3D24

FBA_CLK1 N23FBA_CLK1 N24

FBA_D13D18

FBA_D15C16

FBA_D18D20

FBA_D19F20

FBA_D20D17

FBA_D21F18

FBA_D22D16

FBA_D23E16

FBA_D8A21

FBA_D12C18

FBA_D1E24

FBA_DEBUG|FBB_CASM22

FBA_D4D26

FBA_D2E22

FBA_D17F21

FBA_DQS_WP1 A19

FBA_DQS_WP4 T22

FBA_DQS_RN0 D25

FBA_DQS_WP3 A24FBA_DQS_WP2 E19

FBA_DQS_WP0 C25

FBA_CMD30 L22

FBA_CMD28 K22

FBA_DQM7 T26

FBA_D9B21

FBA_D29A25

FBA_D11C19FBA_D10C21

FBA_CMD5 M27

FBA_CMD13 K27

FBA_D16E21

FBA_CMD25 G24

FB_VREF A16FB_CAL_PD_VDDQ B15

FBA_D58V26 FBA_D57R25R12610K_5%

1005_1/16 w

R12610K_5%

1005_1/16 w

12

R11740.2_1%

1005_1/16 w

R11740.2_1%

1005_1/16 w12

R18810K_5%

1005_1/16 w

R18810K_5%

1005_1/16 w

12

Page 18: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VIDEO_CLK_XTAL_NSS

VIDEO_CLK_XTAL_SSIFPD_DPHPD [37]

PM_VID2 [83]PM_VID3 [83]PM_VID4 [83]

-VIDEO_THERM_OVERT [61]-VIDEO_THERM_ALERT [61]

DXP1[70]DXN1[70]

VIDEO_CLK_27M_NSS[24]

VIDEO_CLK_27M_SS[24]

IFPE_DPHPD [37]

PM_VID1 [83]DDCCLK_D[34]DDCDATA_D[34]

SPWG_EDID_CLK_D[36]SPWG_EDID_DATA_D[36]

IFPC_DPHPD [35]PANEL_BKLT_CTRL_D [36]PANEL_POWER_ON_D [36]VGA_BLON_D [36]

VCC3VIDEO

VCC3VIDEO

VCC3VIDEO

VCC3VIDEO

VCC3VIDEO

VCC3VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

18 99Monday, June 14, 2010

N12M-NS(4/6):GPIONOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

18 99Monday, June 14, 2010

N12M-NS(4/6):GPIONOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

18 99Monday, June 14, 2010

N12M-NS(4/6):GPIONOZOMI-3 SWG SDV2

C

DDR3 128Mx16 VIDEO MEMORY

SAMSUNG0111

HYNIX0110

R764

R700

NO_ASM

45.3KOHM 34.8KOHM

PLACE NEAR THE BRANCH POINT

P/N 61Y9503

TXC 7M27000149

RIVER FCX-04-27.0000M-8.5PF-50PPM

NEAR VIDEO CHIP

PLACE NEAR THE BRANCH POINT

LOGIC

NO_ASM

TABLE

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

SWG_SDV2_EC042

NZM3_SWG_SDV2_EC062

NZM3_SWG_SDV2_EC100

TP140TESTPAD TP140TESTPAD 1

R34

82.

2K_5

%10

05_1

/16

wR

348

2.2K

_5%

1005

_1/1

6 w

12

R25

32.

2K_5

%10

05_1

/16

wR

253

2.2K

_5%

1005

_1/1

6 w

12

R33

0_5% 1005_1/16 wNA

R33

0_5% 1005_1/16 wNA

1 2R

608

10K

_5%

1005

_1/1

6 w

R60

8

10K

_5%

1005

_1/1

6 w

12

R34

92.

2K_5

%10

05_1

/16

wR

349

2.2K

_5%

1005

_1/1

6 w

12

R35

540

.2K

_1%

1005

_1/1

6 w

R35

540

.2K

_1%

1005

_1/1

6 w

12

R18210K_5%

1005_1/16 w

R18210K_5%

1005_1/16 w

12

R27

42.

2K_5

%10

05_1

/16

wR

274

2.2K

_5%

1005

_1/1

6 w

12

R1840_5% 1005_1/16 w

R1840_5% 1005_1/16 w

1 2R216

0_5% 1005_1/16 wR216

0_5% 1005_1/16 w1 2

R101910k_1%1005_1/16 wNA

R101910k_1%1005_1/16 wNA1

2

R70

034

.8K

_1%

1005

_1/1

6 w

R70

034

.8K

_1%

1005

_1/1

6 w

12

R10910K_5%

1005_1/16 wNA

R10910K_5%

1005_1/16 wNA1

2

R83 0_5% 1005_1/16 wR83 0_5% 1005_1/16 w1 2

R57

810

K_5

%10

05_1

/16

wR

578

10K

_5%

1005

_1/1

6 w

12

R18110K_5%

1005_1/16 w

R18110K_5%

1005_1/16 w

12

R24

334

.8K

_1%

1005

_1/1

6 w

NA

R24

334

.8K

_1%

1005

_1/1

6 w

NA

12

R38810K_5%1005_1/16 w

R38810K_5%1005_1/16 w

12

R76

42K

_5%

1005

_1/1

6 w

NA

R76

42K

_5%

1005

_1/1

6 w

NA

12

TP139TESTPAD TP139TESTPAD 1

R24

034

.8K

_1%

1005

_1/1

6 w

R24

034

.8K

_1%

1005

_1/1

6 w

12

C4088PF_50V1005_NPO_+/-0.25PF

C4088PF_50V1005_NPO_+/-0.25PF

12

R23

1M_5% 1005_1/16 wNA

R23

1M_5% 1005_1/16 wNA1 2

TP142TESTPAD TP142TESTPAD 1R101810k_1%1005_1/16 w

R101810k_1%1005_1/16 w

12

R81

02.

2K_5

%10

05_1

/16

wR

810

2.2K

_5%

1005

_1/1

6 w

12

R37

82.

2K_5

%10

05_1

/16

wR

378

2.2K

_5%

1005

_1/1

6 w

12

C78PF_50V1005_NPO_+/-0.25PF

C78PF_50V1005_NPO_+/-0.25PF

12

R59

6

10K

_5%

1005

_1/1

6 w

R59

6

10K

_5%

1005

_1/1

6 w

12

R31210K_5%1005_1/16 w

R31210K_5%1005_1/16 w

12

R37

62.

2K_5

%10

05_1

/16

wR

376

2.2K

_5%

1005

_1/1

6 w

12

Y1

FCX04_27M

Y1

FCX04_27M

12

43

R24

710

k_1%

1005

_1/1

6 w

R24

710

k_1%

1005

_1/1

6 w

12

R102010k_1%1005_1/16 wNA

R102010k_1%1005_1/16 wNA1

2

R1015 33_5% 1005_1/16 wR1015 33_5% 1005_1/16 w1 2

R24

924

.9K

_1%

1005

_1/1

6 w

NA

R24

924

.9K

_1%

1005

_1/1

6 w

NA

12

R73

10k_

1%10

05_1

/16

wR

7310

k_1%

1005

_1/1

6 w

12

TP141TESTPAD TP141TESTPAD 1

R311 33_5% 1005_1/16 wR311 33_5% 1005_1/16 w1 2

R101710K_5%1005_1/16 w

R101710K_5%1005_1/16 w

12

R102110k_1%1005_1/16 wNA

R102110k_1%1005_1/16 wNA1

2

U47C

IC N12M_NS

U47C

IC N12M_NS

I2CA_SCLR1

I2CA_SDAT3

I2CB_SCLR2

I2CB_SDAR3

I2CC_SCLA2

I2CC_SDAB1

I2CH_SCLA3

I2CH_SDAA4

I2CS_SCLT1

I2CS_SDAT2

XTAL_IND10

XTAL_OUTE10

XTAL_SSIND11

XTAL_OUTBUFFE9

BUFRSTN5

CECN2

SPDIFF9

THERMDPD9

THERMDND8

ROM_CSB10

ROM_SCLKC9

ROM_SOC10

ROM_SIA10

NC1C15

NC2D15

NC3J5

GPIO0 N1

GPIO1 G1

GPIO2 C1

GPIO3 M2

GPIO4 M3

GPIO5 K3

GPIO6 K2

GPIO7 J2

GPIO8 C2

GPIO9 M1

GPIO13 J1

GPIO14 K1

GPIO15 F3

GPIO16 G3

GPIO17 G2

GPIO18 F1

GPIO19 F2

RFU_1 T6

RFU_2 W6

RFU_3 Y6

RFU_4 AA6

RFU_5 N3

STRAP0 C7

STRAP1 B9

STRAP2 A9

MULTI_STRAP_REF0_GND F11

MULTI_STRAP_REF1_GND F10

JTAG_TDO AE4

JTAG_TMS AF4

JTAG_TDI AG4

JTAG_TCK AF3

JTAG_TRST AG3

TESTMODE AD25

GPIO12 J3GPIO11 D1GPIO10 D2

R78

82.

2K_5

%10

05_1

/16

wR

788

2.2K

_5%

1005

_1/1

6 w

12

R59

0

1K_5

%10

05_1

/16

w

NAR59

0

1K_5

%10

05_1

/16

w

NA

12

R1016 0_5% 1005_1/16 wR1016 0_5% 1005_1/16 w1 2

R17

52K

_5%

1005

_1/1

6 w

NA

R17

52K

_5%

1005

_1/1

6 w

NA

12

R76

510

k_1%

1005

_1/1

6 w

NA

R76

510

k_1%

1005

_1/1

6 w

NA

12

R16

3

45.3

K_1

%10

05_1

/16

w

R16

3

45.3

K_1

%10

05_1

/16

w1

2

R600

0_5% 1005_1/16 wNA

R600

0_5% 1005_1/16 wNA

1 2

R78

15k_

1%10

05_1

/16

w

NA

R78

15k_

1%10

05_1

/16

w

NA

12

R80

32.

2K_5

%10

05_1

/16

wR

803

2.2K

_5%

1005

_1/1

6 w

12

R78

72.

2K_5

%10

05_1

/16

wR

787

2.2K

_5%

1005

_1/1

6 w

12

R67

915

k_1%

1005

_1/1

6 w

R67

915

k_1%

1005

_1/1

6 w

12

R34

740

.2K

_1%

1005

_1/1

6 w

R34

740

.2K

_1%

1005

_1/1

6 w

12

R10

26

1K_5

%10

05_1

/16

w

NA

R10

26

1K_5

%10

05_1

/16

w

NA

12

Page 19: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

GFXCORE_VDD_SENSE_D[83]

VCCGFXCORE_D

VCCGFXCORE_D

VCC1R05VIDEO_PLL

VCC3VIDEO

VCC1R5VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

19 99Monday, June 14, 2010

N12M-NS(5/6):POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

19 99Monday, June 14, 2010

N12M-NS(5/6):POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

19 99Monday, June 14, 2010

N12M-NS(5/6):POWERNOZOMI-3 SWG SDV2

C

UNDER GPU

UNDER GPU

120mA

200mA

2.49A

UNDER GPU

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC007

NZM3_SWG_SDV2_EC058

C5760.1UF_10V1005_X5R_K

NA

C5760.1UF_10V1005_X5R_K

NA

12

C5781UF_10V1005_X5R_K

C5781UF_10V1005_X5R_K

12

C10810.01UF_25V1005_X7R_K

C10810.01UF_25V1005_X7R_K

12

C3344.7UF_6.3V1608_X5R_K

NA

C3344.7UF_6.3V1608_X5R_K

NA

12

C5790.047UF_25V1005_X7R_K

C5790.047UF_25V1005_X7R_K

12

C3810.1UF_10V1005_X7R_K

C3810.1UF_10V1005_X7R_K

12

C5770.047UF_25V1005_X7R_K

C5770.047UF_25V1005_X7R_K

12

C10134.7UF_6.3V1608_X5R_K

C10134.7UF_6.3V1608_X5R_K

12

C11711UF_10V1005_X5R_K

C11711UF_10V1005_X5R_K

12

C6690.1UF_10V1005_X7R_K

C6690.1UF_10V1005_X7R_K

12

C10800.01UF_25V1005_X7R_K

C10800.01UF_25V1005_X7R_K

12

C5750.01UF_25V1005_X7R_K

NA

C5750.01UF_25V1005_X7R_K

NA

12

C9630.01UF_25V1005_X7R_K

C9630.01UF_25V1005_X7R_K

12

R3030_5%

1005_1/16 wNA

R3030_5%

1005_1/16 wNA1

2

C2354.7UF_6.3V1608_X5R_K

C2354.7UF_6.3V1608_X5R_K

12

C10830.01UF_25V1005_X7R_K

C10830.01UF_25V1005_X7R_K

12

C2930.047UF_25V1005_X7R_K

C2930.047UF_25V1005_X7R_K

12

C4210.047UF_25V1005_X7R_K

C4210.047UF_25V1005_X7R_K

12

C11730.1UF_10V1005_X7R_K

C11730.1UF_10V1005_X7R_K

12

C9660.01UF_25V1005_X7R_K

C9660.01UF_25V1005_X7R_K

12

C7330.047UF_25V1005_X7R_K

C7330.047UF_25V1005_X7R_K

12

C5804.7UF_6.3V1608_X5R_K

C5804.7UF_6.3V1608_X5R_K

12

C11690.1UF_10V1005_X7R_K

C11690.1UF_10V1005_X7R_K

12

U47B

IC N12M_NS

U47B

IC N12M_NS

VDD5L9

VDD2J10

VDD3J12

VDD4J13

VDD6M9

VDD7M11

VDD8M17

VDD9N9

VDD10N11

VDD11N12

VDD12N13

VDD13N14

VDD14N15

VDD15N16

VDD16N17

VDD17N19

VDD18P11

VDD19P12

VDD20P13

VDD21P14

VDD22P15

VDD23P16

VDD24P17

VDD25R9

VDD26R11

VDD27R12

VDD28R13

VDD29R14

VDD30R15

VDD31R16

VDD32R17

VDD34T9

VDD35T11

VDD36T17

VDD37U9

VDD38U19

VDD39W9

VDD40W10

VDD41W12

VDD42W13

VDD43W18

VDD44W19

VDD_SENSE1E15

VDD_SENSE2W15

VDD331 A12

VDD332 B12

VDD333 C12

VDD334 D12

VDD335 E12

VDD336 F12

FB_DLLAVDD T19

FB_PLLAVDD1 R19

FB_PLLAVDD2 AC19

FBVDDQ1 A13

FBVDDQ2 B13

FBVDDQ3 C13

FBVDDQ4 D13

FBVDDQ5 D14

FBVDDQ6 E13

FBVDDQ7 F13

FBVDDQ8 F14

FBVDDQ9 F15

FBVDDQ10 F16

FBVDDQ11 F17

FBVDDQ12 F19

FBVDDQ13 F22

FBVDDQ14 H23

FBVDDQ15 H26

FBVDDQ16 J15

FBVDDQ17 J16

FBVDDQ18 J18

FBVDDQ19 J19

FBVDDQ20 L19

FBVDDQ21 L23

FBVDDQ22 L26

FBVDDQ23 M19

FBVDDQ24 N22

FBVDDQ25 U22

FBVDDQ26 Y22

VDD1J9

C2364.7UF_6.3V1608_X5R_K

NA

C2364.7UF_6.3V1608_X5R_K

NA

12

C10210.01UF_25V1005_X7R_K

C10210.01UF_25V1005_X7R_K

12

C11510.047UF_25V1005_X7R_K

C11510.047UF_25V1005_X7R_K

12

C10390.01UF_25V1005_X7R_K

C10390.01UF_25V1005_X7R_K

12

C11704.7UF_6.3V1608_X5R_K

C11704.7UF_6.3V1608_X5R_K

12

C9570.01UF_25V1005_X7R_K

C9570.01UF_25V1005_X7R_K

12

L10MMZ1608R301AL10MMZ1608R301A

21

C9590.01UF_25V1005_X7R_K

C9590.01UF_25V1005_X7R_K

12

Page 20: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

GFXCORE_GND_SENSE_D [83]

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

20 99Monday, June 14, 2010

N12M-NS(6/6):GNDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

20 99Monday, June 14, 2010

N12M-NS(6/6):GNDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

20 99Monday, June 14, 2010

N12M-NS(6/6):GNDNOZOMI-3 SWG SDV2

C

CNV_EC032

U47A

IC N12M_NS

U47A

IC N12M_NS

GND1B2

GND2B5

GND3B8

GND4B11

GND5B14

GND6B17

GND8B23

GND9B26

GND10E2

GND11E5

GND12E8

GND13E11

GND14E17

GND15E20

GND16E23

GND17E26

GND18F6

GND19H2

GND20H5

GND21J11

GND22J14

GND23J17

GND24K9

GND25K19

GND26L2

GND27L5

GND28L11

GND29L12

GND30L13

GND31L14

GND32L15

GND33L16

GND34L17

GND35M12

GND36M13

GND37M14

GND38M15

GND39M16

GND40P2

GND41P5

GND42P9

GND43P19

GND44P23

GND45P26

GND46T12

GND47 T13

GND48 T14

GND49 T15

GND50 T16

GND51 U2

GND52 U5

GND53 U11

GND54 U12

GND55 U13

GND56 U14

GND57 U15

GND58 U16

GND59 U17

GND60 U23

GND61 U26

GND62 V9

GND63 V19

GND64 W11

GND65 W14

GND66 W17

GND67 Y2

GND68 Y5

GND69 Y23

GND70 Y26

GND71 AC2

GND72 AC5

GND73 AC6

GND74 AC8

GND75 AC11

GND76 AC14

GND77 AC17

GND78 AC20

GND79 AC23

GND80 AC26

GND81 AF2

GND82 AF5

GND83 AF8

GND84 AF11

GND85 AF14

GND86 AF17

GND87 AF20

GND88 AF23

GND89 AF26

GND_SENSE1 E14

GND_SENSE2 W16

GND7B20

R3040_1%

1005_1/16 wNA

R3040_1%

1005_1/16 wNA1

2

Page 21: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

FBA_CLK0

-FBA_CLK0

FBA_D28

FBA_D6

FBA_CLK1

-FBA_CLK1

-FBA_RST

FBA_ODT_L

VREF0_0

FBA_CLK0-FBA_CLK0

-FBA_RST

FBA_ODT_U

VREF1_0

FBA_CLK1-FBA_CLK1

FBA_D37

FBA_D54FBA_D40

FBA_D46

-FBA_RST

FBA_CKE_L

-FBA_CASFBA_WEL_AU10

FBA_BA0

FBA_BA2LFBA_BA1L_AU3

FBA_AL10_WEU

FBA_AL3_BA1U

FBA_AL13FBA_AL12_AU0

FBA_AL9_AU11

FBA_AL2_AU1

FBA_AL0_AU12FBA_AL1_AU2

FBA_AL11_AU9

-FBA_CS0_L-FBA_RAS

FBA_AL5_AU4

FBA_A8FBA_AL7_AU6

FBA_AL4_AU5

FBA_AL6_AU7

FBA_AL10_WEU

FBA_BA0

FBA_AL0_AU12

FBA_AL11_AU9

FBA_AL1_AU2

FBA_A8

FBA_CKE_U

-FBA_CASFBA_AL10_WEU

FBA_BA0

FBA_BA2UFBA_AL3_BA1U

FBA_WEL_AU10

FBA_BA1L_AU3

FBA_AU13FBA_AL0_AU12

FBA_AL11_AU9

FBA_AL1_AU2

FBA_AL12_AU0FBA_AL2_AU1

FBA_AL9_AU11

-FBA_CS0_U-FBA_RAS

FBA_AL4_AU5

FBA_A8FBA_AL6_AU7

FBA_AL5_AU4

FBA_AL7_AU6

FBA_AL12_AU0FBA_AL2_AU1

FBA_AL3_BA1U

FBA_WEL_AU10FBA_AL9_AU11

FBA_BA1L_AU3

FBA_AL4_AU5

FBA_AL6_AU7

FBA_AL5_AU4

FBA_AL7_AU6

-FBA_CAS-FBA_RAS

FBA_D25

FBA_D27

FBA_D30

FBA_D24FBA_D26

FBA_D31

FBA_D29

FBA_D5

FBA_D4FBA_D0

FBA_D3

FBA_D1

FBA_D2

FBA_D7

FBA_D15

FBA_D14

FBA_D9FBA_D12

FBA_D10

FBA_D11

FBA_D13FBA_D8

FBA_D23

FBA_D21

FBA_D20FBA_D19

FBA_D17

FBA_D16

FBA_D22

FBA_D18

FBA_D52

FBA_D51

FBA_D48

FBA_D55

FBA_D53

FBA_D50

FBA_D49

FBA_D39

FBA_D34

FBA_D35

FBA_D32

FBA_D38

FBA_D36

FBA_D33

FBA_D42

FBA_D45FBA_D43

FBA_D41

FBA_D44

FBA_D47

FBA_D57FBA_D60

FBA_D62FBA_D58FBA_D63

FBA_D61FBA_D56

FBA_D59

VREF0_0[22]

FBA_D[63:0][17]

FBA_DQS3[17]-FBA_DQS3[17]

FBA_DM3[17]

FBA_DQS0[17]-FBA_DQS0[17]

FBA_DM0[17]

FBA_CLK0[17]-FBA_CLK0[17]

-FBA_RST [17]

FBA_ODT_L [17]

FBA_DQS1[17]-FBA_DQS1[17]

FBA_DM1[17]

FBA_DQS2[17]-FBA_DQS2[17]

FBA_DM2[17]

FBA_DQS5[17]-FBA_DQS5[17]

FBA_DM5[17]

FBA_DQS6[17]-FBA_DQS6[17]

FBA_ODT_U [17]

FBA_DM6[17]

FBA_DQS4[17]-FBA_DQS4[17]

VREF1_0[22]

FBA_DM4[17]

FBA_DQS7[17]-FBA_DQS7[17]

FBA_DM7[17]

FBA_CLK1[17]-FBA_CLK1[17]

FBA_AL1_AU2[17]

FBA_AL10_WEU[17]

FBA_AL0_AU12[17]

FBA_AL3_BA1U[17]

FBA_AL12_AU0[17]

FBA_AL9_AU11[17]

FBA_AL2_AU1[17]

-FBA_CS0_L[17]-FBA_RAS[17]

FBA_CKE_L[17]

-FBA_CAS[17]FBA_WEL_AU10[17]

FBA_BA0[17]

FBA_BA2L[17]FBA_BA1L_AU3[17]

FBA_AL13[17]

FBA_AL11_AU9[17]

FBA_AL5_AU4[17]

FBA_AL7_AU6[17]

FBA_AL4_AU5[17]

FBA_AL6_AU7[17]

-FBA_CS0_U[17]

FBA_CKE_U[17]

FBA_BA2U[17]

FBA_AU13[17]

FBA_A8[17]

VCC1R5VIDEO VCC1R5VIDEO VCC1R5VIDEO VCC1R5VIDEO

VCC1R5VIDEO VCC1R5VIDEO VCC1R5VIDEO VCC1R5VIDEO

VCC1R5VIDEO VCC1R5VIDEO VCC1R5VIDEO VCC1R5VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

21 99Monday, June 14, 2010

VRAM CHANNEL-ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

21 99Monday, June 14, 2010

VRAM CHANNEL-ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

21 99Monday, June 14, 2010

VRAM CHANNEL-ANOZOMI-3 SWG SDV2

C

(TOP/LEFT SIDE M0) (BOTTOM/LEFT SIDE M1) (TOP/RIGHT SIDE M2) (BOTTOM/RIGHT SIDE M3)

DDR3 VIDEO MEMORY

HYNIX 2GBITS(128MX16)

SAMSUNG 2GBITS(128MX16)

U1

U44

U46

U54

H5TQ2G63BFR-12C K4W2G1646C-HC11

TABLE

LOGICLOGIC

NZM3_SWG_SDV2_EC010 NZM3_SWG_SDV2_EC010NZM3_SWG_SDV2_EC010

NZM3_SWG_SDV2_EC010

NZM3_SWG_SDV2_EC010

SWG_SDV2_EC036

NZM3_SWG_SDV2_EC059NZM3_SWG_SDV2_EC059 NZM3_SWG_SDV2_EC059

NZM3_SWG_SDV2_EC059

SWAPPING AT 20100601

SWAPPING AT 20100601 SWAPPING AT 20100601

SWAPPING AT 20100601 SWAPPING AT 20100601

SWAPPING AT 20100601

SWAPPING AT 20100601

SWAPPING AT 20100601

C10000.1UF_10V1005_X7R_K

C10000.1UF_10V1005_X7R_K

12

C13311UF_10V1005_X5R_K

C13311UF_10V1005_X5R_K

12

R393243_1%

1005_1/16 w

R393243_1%

1005_1/16 w

12

C10501UF_10V1005_X5R_K

C10501UF_10V1005_X5R_K

12

U46

H5TQ1G63BFR-12C

U46

H5TQ1G63BFR-12C

NC_L9 L9NC_L1 L1NC_J9 J9NC_J1 J1

ZQ L8

RESET# T2

ODT K1

VSS_T9 T9VSS_T1 T1VSS_P9 P9VSS_P1 P1VSS_M9 M9VSS_M1 M1VSS_J8 J8VSS_J2 J2

VSS_G8 G8VSS_E1 E1VSS_B3 B3VSS_A9 A9

VSSQ_G9 G9VSSQ_G1 G1VSSQ_F9 F9VSSQ_E8 E8VSSQ_E2 E2VSSQ_D8 D8VSSQ_D1 D1VSSQ_B9 B9VSSQ_B1 B1

VDDQ_H9 H9VDDQ_H2 H2VDDQ_F1 F1VDDQ_E9 E9VDDQ_D2 D2VDDQ_C9 C9VDDQ_C1 C1VDDQ_A8 A8VDDQ_A1 A1

VDD_R9 R9VDD_R1 R1VDD_N9 N9VDD_N1 N1VDD_K8 K8VDD_K2 K2VDD_G7 G7VDD_D9 D9VDD_B2 B2

VREFCA M8VREFDQ H1

A0N3 A1P7A2P3A3N2 A4P8A5P2 A6R8A7R2A8T8 A9R3A10|APL7 A11R7A12|BC#N7

NC_A14T7NC_A15M7

BA0M2BA1N8 BA2M3

WE#L3CAS#K3RAS#J3

CKEK9

CKJ7

DMLE7

DQSLF3

DQL0E3

DQL2F2

DQL4H3DQL5H8DQL6G2

DMUD3

DQSU#B7 DQSUC7

DQU0D7DQU1C3DQU2C8 DQU3C2DQU4A7 DQU5A2DQU6B8DQU7A3

CS#L2

CK#K7

DQSL#G3

DQL1F7

DQL3F8

DQL7H7

A13T3

U54

H5TQ1G63BFR-12C

U54

H5TQ1G63BFR-12C

NC_L9 L9NC_L1 L1NC_J9 J9NC_J1 J1

ZQ L8

RESET# T2

ODT K1

VSS_T9 T9VSS_T1 T1VSS_P9 P9VSS_P1 P1VSS_M9 M9VSS_M1 M1VSS_J8 J8VSS_J2 J2

VSS_G8 G8VSS_E1 E1VSS_B3 B3VSS_A9 A9

VSSQ_G9 G9VSSQ_G1 G1VSSQ_F9 F9VSSQ_E8 E8VSSQ_E2 E2VSSQ_D8 D8VSSQ_D1 D1VSSQ_B9 B9VSSQ_B1 B1

VDDQ_H9 H9VDDQ_H2 H2VDDQ_F1 F1VDDQ_E9 E9VDDQ_D2 D2VDDQ_C9 C9VDDQ_C1 C1VDDQ_A8 A8VDDQ_A1 A1

VDD_R9 R9VDD_R1 R1VDD_N9 N9VDD_N1 N1VDD_K8 K8VDD_K2 K2VDD_G7 G7VDD_D9 D9VDD_B2 B2

VREFCA M8VREFDQ H1

A0N3 A1P7A2P3A3N2 A4P8A5P2 A6R8A7R2A8T8 A9R3A10|APL7 A11R7A12|BC#N7

NC_A14T7NC_A15M7

BA0M2BA1N8 BA2M3

WE#L3CAS#K3RAS#J3

CKEK9

CKJ7

DMLE7

DQSLF3

DQL0E3

DQL2F2

DQL4H3DQL5H8DQL6G2

DMUD3

DQSU#B7 DQSUC7

DQU0D7DQU1C3DQU2C8 DQU3C2DQU4A7 DQU5A2DQU6B8DQU7A3

CS#L2

CK#K7

DQSL#G3

DQL1F7

DQL3F8

DQL7H7

A13T3

R306243_1%

1005_1/16 w

R306243_1%

1005_1/16 w

12

U1

H5TQ1G63BFR-12C

U1

H5TQ1G63BFR-12C

NC_L9 L9NC_L1 L1NC_J9 J9NC_J1 J1

ZQ L8

RESET# T2

ODT K1

VSS_T9 T9VSS_T1 T1VSS_P9 P9VSS_P1 P1VSS_M9 M9VSS_M1 M1VSS_J8 J8VSS_J2 J2

VSS_G8 G8VSS_E1 E1VSS_B3 B3VSS_A9 A9

VSSQ_G9 G9VSSQ_G1 G1VSSQ_F9 F9VSSQ_E8 E8VSSQ_E2 E2VSSQ_D8 D8VSSQ_D1 D1VSSQ_B9 B9VSSQ_B1 B1

VDDQ_H9 H9VDDQ_H2 H2VDDQ_F1 F1VDDQ_E9 E9VDDQ_D2 D2VDDQ_C9 C9VDDQ_C1 C1VDDQ_A8 A8VDDQ_A1 A1

VDD_R9 R9VDD_R1 R1VDD_N9 N9VDD_N1 N1VDD_K8 K8VDD_K2 K2VDD_G7 G7VDD_D9 D9VDD_B2 B2

VREFCA M8VREFDQ H1

A0N3 A1P7A2P3A3N2 A4P8A5P2 A6R8A7R2A8T8 A9R3A10|APL7 A11R7A12|BC#N7

NC_A14T7NC_A15M7

BA0M2BA1N8 BA2M3

WE#L3CAS#K3RAS#J3

CKEK9

CKJ7

DMLE7

DQSLF3

DQL0E3

DQL2F2

DQL4H3DQL5H8DQL6G2

DMUD3

DQSU#B7 DQSUC7

DQU0D7DQU1C3DQU2C8 DQU3C2DQU4A7 DQU5A2DQU6B8DQU7A3

CS#L2

CK#K7

DQSL#G3

DQL1F7

DQL3F8

DQL7H7

A13T3

C10570.1UF_10V1005_X7R_K

C10570.1UF_10V1005_X7R_K

12

U44

H5TQ1G63BFR-12C

U44

H5TQ1G63BFR-12C

NC_L9 L9NC_L1 L1NC_J9 J9NC_J1 J1

ZQ L8

RESET# T2

ODT K1

VSS_T9 T9VSS_T1 T1VSS_P9 P9VSS_P1 P1VSS_M9 M9VSS_M1 M1VSS_J8 J8VSS_J2 J2

VSS_G8 G8VSS_E1 E1VSS_B3 B3VSS_A9 A9

VSSQ_G9 G9VSSQ_G1 G1VSSQ_F9 F9VSSQ_E8 E8VSSQ_E2 E2VSSQ_D8 D8VSSQ_D1 D1VSSQ_B9 B9VSSQ_B1 B1

VDDQ_H9 H9VDDQ_H2 H2VDDQ_F1 F1VDDQ_E9 E9VDDQ_D2 D2VDDQ_C9 C9VDDQ_C1 C1VDDQ_A8 A8VDDQ_A1 A1

VDD_R9 R9VDD_R1 R1VDD_N9 N9VDD_N1 N1VDD_K8 K8VDD_K2 K2VDD_G7 G7VDD_D9 D9VDD_B2 B2

VREFCA M8VREFDQ H1

A0N3 A1P7A2P3A3N2 A4P8A5P2 A6R8A7R2A8T8 A9R3A10|APL7 A11R7A12|BC#N7

NC_A14T7NC_A15M7

BA0M2BA1N8 BA2M3

WE#L3CAS#K3RAS#J3

CKEK9

CKJ7

DMLE7

DQSLF3

DQL0E3

DQL2F2

DQL4H3DQL5H8DQL6G2

DMUD3

DQSU#B7 DQSUC7

DQU0D7DQU1C3DQU2C8 DQU3C2DQU4A7 DQU5A2DQU6B8DQU7A3

CS#L2

CK#K7

DQSL#G3

DQL1F7

DQL3F8

DQL7H7

A13T3

C9930.1UF_10V1005_X7R_K

C9930.1UF_10V1005_X7R_K

12

C10460.1UF_10V1005_X7R_K

C10460.1UF_10V1005_X7R_K

12

C6910.1UF_10V1005_X7R_K

C6910.1UF_10V1005_X7R_K

12

C9970.1UF_10V1005_X7R_K

C9970.1UF_10V1005_X7R_K

12

C13321UF_10V1005_X5R_K

C13321UF_10V1005_X5R_K

12

C8260.1UF_10V1005_X7R_K

C8260.1UF_10V1005_X7R_K

12

C10580.1UF_10V1005_X7R_K

C10580.1UF_10V1005_X7R_K

12

C6760.1UF_10V1005_X7R_K

C6760.1UF_10V1005_X7R_K

12

C8701UF_10V1005_X5R_K

C8701UF_10V1005_X5R_K

12

C12780.1UF_10V1005_X7R_K

C12780.1UF_10V1005_X7R_K

12

C12811UF_10V1005_X5R_K

C12811UF_10V1005_X5R_K

12

C8721UF_10V1005_X5R_K

C8721UF_10V1005_X5R_K

12

C8841UF_10V1005_X5R_K

C8841UF_10V1005_X5R_K

12

C13271UF_10V1005_X5R_K

C13271UF_10V1005_X5R_K

12

C13261UF_10V1005_X5R_K

C13261UF_10V1005_X5R_K

12

R191243_1%

1005_1/16 w

R191243_1%

1005_1/16 w

12

C10560.1UF_10V1005_X7R_K

C10560.1UF_10V1005_X7R_K

12

C13281UF_10V1005_X5R_K

C13281UF_10V1005_X5R_K

12

C10450.1UF_10V1005_X7R_K

C10450.1UF_10V1005_X7R_K

12

C6240.1UF_10V1005_X7R_K

C6240.1UF_10V1005_X7R_K

12

R190243_1%

1005_1/16 w

R190243_1%

1005_1/16 w

12

C13301UF_10V1005_X5R_K

C13301UF_10V1005_X5R_K

12

C10020.1UF_10V1005_X7R_K

C10020.1UF_10V1005_X7R_K

12

C10591UF_10V1005_X5R_K

C10591UF_10V1005_X5R_K

12

C9950.1UF_10V1005_X7R_K

C9950.1UF_10V1005_X7R_K

12

C8250.1UF_10V1005_X7R_K

C8250.1UF_10V1005_X7R_K

12

C10470.1UF_10V1005_X7R_K

C10470.1UF_10V1005_X7R_K

12

C10100.1UF_10V1005_X7R_K

C10100.1UF_10V1005_X7R_K

12

C10011UF_10V1005_X5R_K

C10011UF_10V1005_X5R_K

12

C7341UF_10V1005_X5R_K

C7341UF_10V1005_X5R_K

12

C13331UF_10V1005_X5R_K

C13331UF_10V1005_X5R_K

12

R441243_1%

1005_1/16 w

R441243_1%

1005_1/16 w

12

R458243_1%

1005_1/16 w

R458243_1%

1005_1/16 w

12

C10510.1UF_10V1005_X7R_K

C10510.1UF_10V1005_X7R_K

12

C6770.1UF_10V1005_X7R_K

C6770.1UF_10V1005_X7R_K

12

C13291UF_10V1005_X5R_K

C13291UF_10V1005_X5R_K

12

Page 22: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VREF0_0[21] VREF1_0[21]

VCC1R5VIDEO VCC1R5VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

22 99Monday, June 14, 2010

DYNAMIC MEMORY TERMINATIONNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

22 99Monday, June 14, 2010

DYNAMIC MEMORY TERMINATIONNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

22 99Monday, June 14, 2010

DYNAMIC MEMORY TERMINATIONNOZOMI-3 SWG SDV2

C

R2511.33K_1%

1005_1/16 w

R2511.33K_1%

1005_1/16 w

12

R2851.33K_1%

1005_1/16 w

R2851.33K_1%

1005_1/16 w

12

R2781.33K_1%

1005_1/16 w

R2781.33K_1%

1005_1/16 w

12

C11920.01UF_25V1005_X7R_K

C11920.01UF_25V1005_X7R_K

12

R6151.33K_1%

1005_1/16 w

R6151.33K_1%

1005_1/16 w

12

C5320.01UF_25V1005_X7R_K

C5320.01UF_25V1005_X7R_K

12

Page 23: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-DISCRETE_PRESENCE

SATA4_TXP_CSATA4_TXN_C

SATA0_TXP_CSATA0_TXN_CSATA0_RXP_CSATA0_RXN_C

LPC_AD0RTCX1

RTCX2LPC_AD1LPC_AD2LPC_AD3

SATAICOMP

-INTRUDER

SATA3RCOMP

SATA1_TXP_CSATA1_TXN_CSATA1_RXP_CSATA1_RXN_C

SATA5_TXP_CSATA5_TXN_CSATA5_RXP_CSATA5_RXN_C

SATA2_TXP_CSATA2_TXN_CSATA2_RXP_CSATA2_RXN_C

SATA1_TXP [40]SATA1_TXN [40]

SATA1_RXN [40]SATA1_RXP [40]

SATA5_TXP [41]SATA5_TXN [41]

SATA5_RXN [41]SATA5_RXP [41]

SATA4_TXP [60]SATA4_TXN [60]

SATA4_RXN [60]SATA4_RXP [60]

-DASPHDD [68]

SATA_BAY_DTCT [28]

SPI_MOSI[59]

SPI_CLK[59]

-SPI_CS0[59]

SPI_MISO[59]

PCH_TDI[11]

PCH_TCK[11]

PCH_TMS[11]

PCH_TDO[11]

-EC_WAKE[61]

ACZ_BCLK_MDC[49]ACZ_BCLK_ADI[43]

SATA0_TXP [39]SATA0_TXN [39]ACZ_SYNC_MDC[49]

ACZ_SYNC_ADI[43]

-ACZ_RST_MDC[49]-ACZ_RST_ADI[43]

ACZ_SDIN0[43]

PCH_SPKR[48]

ACZ_SDIN1[49]

-RTCRST[38]

LPC_AD[3:0] [61,69,71]

-SRTCRST[38]-LPC_FRAME [61,69,71]

ACZ_SDOUT_MDC[49]

-LPC_DREQ0 [71]

ACZ_SDOUT_ADI[43]

IRQSER [61,69,71]

SATA0_RXN [39]SATA0_RXP [39]

SATA2_TXP [54]SATA2_TXN [54]

SATA2_RXN [54]SATA2_RXP [54]

VCC3B

VCC3M

VCC3SWRTCVCC

VCC3M

VCC3B

VCC3BVCC3BVCC1R05B

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

23 99Monday, June 14, 2010

PCH(1/9):HDA/JTAG/SPI/SATANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

23 99Monday, June 14, 2010

PCH(1/9):HDA/JTAG/SPI/SATANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

23 99Monday, June 14, 2010

PCH(1/9):HDA/JTAG/SPI/SATANOZOMI-3 SWG SDV2

C

HIGH

LOW

SPKR TCO TIMER SYSTEM REBOOT

DISABLED (NO REBOOT)

ENABLED

P/N 41U6143KDS DST310S-32.768KHz-20PPM-9PFRIVER TFX-02-32.768KJ80862

TEST PADBOTTOM SIDEDO NOT MOVE AFTER FIX

PLACE ON TOP SIDE

HM67

RPAT

U5 HM65

AMT YES NO

QM67

LOGIC

YES YES

NO

NO

C732

ESATA YES

ASM NO_ASM

NO

C743

C744

C747

ASM

ASM

ASM

NO_ASM

NO_ASM

NO_ASM

LOGIC

TABLE

TABLE

TABLE

ECR027

NZM3_SWG_SDV2_EC108

C732 0.01UF_25V 1005_X7R_KC732 0.01UF_25V 1005_X7R_K1 2

C744 0.01UF_25V 1005_X7R_KC744 0.01UF_25V 1005_X7R_K1 2

C804 0.01UF_25V 1005_X7R_KC804 0.01UF_25V 1005_X7R_K1 2

C747 0.01UF_25V 1005_X7R_KC747 0.01UF_25V 1005_X7R_K1 2

R99610K_5%

1005_1/16 wNA

R99610K_5%

1005_1/16 wNA1

2

C803 0.01UF_25V 1005_X7R_KC803 0.01UF_25V 1005_X7R_K1 2

R60449.9_1% 1005_1/16 w

R60449.9_1% 1005_1/16 w

1 2

C784 0.01UF_25V 1005_X7R_KC784 0.01UF_25V 1005_X7R_K1 2

TP901TESTPAD_1P0TP901TESTPAD_1P0

1

R423 33_5% 1005_1/16 wR423 33_5% 1005_1/16 w1 2

C326

10PF_50V1005_NPO_ J

C326

10PF_50V1005_NPO_ J

1 2

C280 0.01UF_25V 1005_X7R_KC280 0.01UF_25V 1005_X7R_K1 2

C374 0.01UF_25V 1005_X7R_KC374 0.01UF_25V 1005_X7R_K1 2

RTC

IHDA

JTAG

SPI

LPC

SATA

SA

TA

6G

U5A

COUGAR_POINT_M_R1P0

RTC

IHDA

JTAG

SPI

LPC

SATA

SA

TA

6G

U5A

COUGAR_POINT_M_R1P0

RTCX1A20

RTCX2C20

INTVRMENC17

INTRUDER#K22

HDA_BCLKN34

HDA_SYNCL34

HDA_RST#K34

HDA_SDIN0E34

HDA_SDIN1G34

HDA_SDIN2C34

HDA_SDOA36

SATALED# P3

FWH0|LAD0 C38

FWH1|LAD1 A38

FWH2|LAD2 B37

FWH3|LAD3 C37

LDRQ1#|GPIO23 K36

FWH4|LFRAME# D36

LDRQ0# E36

RTCRST#D20

HDA_SDIN3A34

HDA_DOCK_EN#|GPIO33C36

HDA_DOCK_RST#|GPIO13N32

SRTCRST#G22

SATA0RXN AM3

SATA0RXP AM1

SATA0TXN AP7

SATA0TXP AP5

SATA1RXN AM10

SATA1RXP AM8

SATA1TXN AP11

SATA1TXP AP10

SATA2RXN AD7

SATA2RXP AD5

SATA2TXN AH5

SATA2TXP AH4

SATA3RXN AB8

SATA3RXP AB10

SATA3TXN AF3

SATA3TXP AF1

SATA4RXN Y7

SATA4RXP Y5

SATA4TXN AD3

SATA4TXP AD1

SATA5RXN Y3

SATA5RXP Y1

SATA5TXN AB3

SATA5TXP AB1

SATAICOMPI Y10

SPI_CLKT3

SPI_CS0#Y14

SPI_CS1#T1

SPI_MOSIV4

SPI_MISOU3

SATA0GP|GPIO21 V14

SATA1GP|GPIO19 P1

JTAG_TCKJ3

JTAG_TMSH7

JTAG_TDIK5

JTAG_TDOH1

SERIRQ V5

SPKRT10

SATAICOMPO Y11

SATA3COMPI AB13

SATA3RCOMPO AB12

SATA3RBIAS AH1

R408330K_5%1005_1/16 w

R408330K_5%1005_1/16 w

12

C794 0.01UF_25V 1005_X7R_KC794 0.01UF_25V 1005_X7R_K1 2

C805 0.01UF_25V 1005_X7R_KC805 0.01UF_25V 1005_X7R_K1 2

Y6DST310S_32R768KY6DST310S_32R768K

21

R456 33_5% 1005_1/16 wR456 33_5% 1005_1/16 w1 2

R116 750_1% 1005_1/16 wR116 750_1% 1005_1/16 w1 2

R74 33_5% 1005_1/16 wR74 33_5% 1005_1/16 w1 2

R6461M_5%

1005_1/16 w

R6461M_5%

1005_1/16 w

12

C893 0.01UF_25V 1005_X7R_KC893 0.01UF_25V 1005_X7R_K1 2

R223 33_5% 1005_1/16 wR223 33_5% 1005_1/16 w1 2

R148 33_5% 1005_1/16 wR148 33_5% 1005_1/16 w1 2

R99100K_5%

1005_1/16 w

R99100K_5%

1005_1/16 w

12

C765 0.01UF_25V 1005_X7R_KC765 0.01UF_25V 1005_X7R_K1 2

C743 0.01UF_25V 1005_X7R_KC743 0.01UF_25V 1005_X7R_K1 2

R23910K_5%

1005_1/16 w

R23910K_5%

1005_1/16 w

12

R8608.2K_5%

1005_1/16 w

R8608.2K_5%

1005_1/16 w

12

R35110M_5%1005_1/16 w

R35110M_5%1005_1/16 w

12

TP900TESTPAD_1P0TP900TESTPAD_1P0

1

R10091K_5%1005_1/16 w

R10091K_5%1005_1/16 w

12

R144 33_5% 1005_1/16 wR144 33_5% 1005_1/16 w1 2R60 33_5% 1005_1/16 wR60 33_5% 1005_1/16 w1 2

R8461K_5% 1005_1/16 w

R8461K_5% 1005_1/16 w

1 2

R66110K_5%

1005_1/16 w

NA

R66110K_5%

1005_1/16 w

NA

12

R241 33_5% 1005_1/16 wR241 33_5% 1005_1/16 w1 2

C770 0.01UF_25V 1005_X7R_KC770 0.01UF_25V 1005_X7R_K1 2

C892 0.01UF_25V 1005_X7R_KC892 0.01UF_25V 1005_X7R_K1 2

R60237.4_1% 1005_1/16 w

R60237.4_1% 1005_1/16 w

1 2

R651K_5%1005_1/16 w

NA

R651K_5%1005_1/16 w

NA

12

C827 0.01UF_25V 1005_X7R_KC827 0.01UF_25V 1005_X7R_K1 2

C348

10PF_50V1005_NPO_ J

C348

10PF_50V1005_NPO_ J

1 2

R5660_5% 2125_1/8 w

NAR566

0_5% 2125_1/8 w

NA1 2

C272 0.01UF_25V 1005_X7R_KC272 0.01UF_25V 1005_X7R_K1 2

C284 0.01UF_25V 1005_X7R_KC284 0.01UF_25V 1005_X7R_K1 2

Page 24: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

EC_SCL2

EC_SDA2

CL_CLK_WLAN

CL_DATA_WLAN

PCIE_WLAN_TXN_C

-CL_RST_WLAN

PCIE_WLAN_TXP_C

PCIE_EXC_TXN_CPCIE_EXC_TXP_C

PCIE_MCC_TXN_CPCIE_MCC_TXP_C

PCIE_GBE_TXN_CPCIE_GBE_TXP_C

SML0_CLK

SML0_DATA

SMB_CLK

SMB_DATA

-DGFX_PWRGD

-CLKREQ_GFX

-PCIE_CLK_WLAN[54]PCIE_CLK_WLAN[54]

-CLKREQ_WLAN[54]

-PCIE_CLK_EXC[57]PCIE_CLK_EXC[57]

-CLKREQ_EXC[57]

-PCIE_CLK_MCC[55]PCIE_CLK_MCC[55]

-CLKREQ_MCC[55]

-PCIE_CLK_GBE[50]PCIE_CLK_GBE[50]

-CLKREQ_GBE[50,62] PCICLK_FB_33M [27]

-XDP_CLK_100M[11]XDP_CLK_100M[11]

VIDEO_CLK_27M_NSS [18]

VIDEO_CLK_27M_SS [18]

EC_SDA2 [62,70]

EC_SCL2 [62,70]

CL_CLK_WLAN [54]

CL_DATA_WLAN [54]

-CL_RST_WLAN [54]

PCIE_WLAN_TXP[54]PCIE_WLAN_TXN[54]PCIE_WLAN_RXP[54]PCIE_WLAN_RXN[54]

PCIE_EXC_TXP[57]PCIE_EXC_TXN[57]PCIE_EXC_RXP[57]PCIE_EXC_RXN[57]

PCIE_MCC_TXP[55]PCIE_MCC_TXN[55]PCIE_MCC_RXP[55]PCIE_MCC_RXN[55]

PCIE_GBE_TXP[50]PCIE_GBE_TXN[50]PCIE_GBE_RXP[50]PCIE_GBE_RXN[50]

SMB_CLK [71]

SMB_DATA [71]

SML0_DATA [50]

SML0_CLK [50]

-GFX_CLK_100M [15]GFX_CLK_100M [15]

-CPU_CLK_100M [4]CPU_CLK_100M [4]

DGFX_PWRGD [28,83]

-CLKREQ_GFX [15]

VCC3M

VCC3M

VCC3M

VCC1R05B

VCC3M

VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

24 99Monday, June 14, 2010

PCH(2/9):PCI-E/SMBUS/CLKNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

24 99Monday, June 14, 2010

PCH(2/9):PCI-E/SMBUS/CLKNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

24 99Monday, June 14, 2010

PCH(2/9):PCI-E/SMBUS/CLKNOZOMI-3 SWG SDV2

C

P/N 61Y9504KDSTXCRIVER

DSX321G-25.000M-8.0PF-30PPM7V25080004FCX-04-25MJ90730

NZM3_SWG_SDV2_EC020

SWG_SDV2_EC040

SWG_SDV2_EC040

R660

10K_5% 1005_1/16 w

R660

10K_5% 1005_1/16 w1 2

D27

1SS400G

D27

1SS400G

1 2

Y5

DSX321G_25M_8PF

Y5

DSX321G_25M_8PF

412 3

C2058PF_50V1005_NPO_+/-0.25PF

C2058PF_50V1005_NPO_+/-0.25PF

12

R55710K_5% 1005_1/16 w

R55710K_5% 1005_1/16 w

1 2

D22

1SS400G

D22

1SS400G

1 2

C2068PF_50V1005_NPO_+/-0.25PF

C2068PF_50V1005_NPO_+/-0.25PF

12

C6010.1UF_10V 1005_X5R_K

C6010.1UF_10V 1005_X5R_K

1 2

R38910K_5%

1005_1/16 w

R38910K_5%

1005_1/16 w

12

R27210K_5%

1005_1/16 w

NA

R27210K_5%

1005_1/16 w

NA

12

C7200.1UF_10V 1005_X5R_K

C7200.1UF_10V 1005_X5R_K

1 2

R609

90.9_1%1005_1/16 w

R609

90.9_1%1005_1/16 w

1 2

R162

10K_5% 1005_1/16 w

R162

10K_5% 1005_1/16 w1 2

R56310K_5% 1005_1/16 w

R56310K_5% 1005_1/16 w

1 2

R35910K_5%

1005_1/16 w

R35910K_5%

1005_1/16 w

12

R3081M_5%

1005_1/16 w

R3081M_5%

1005_1/16 w

12

R1330_5% 1005_1/16 w

R1330_5% 1005_1/16 w

1 2

R147100K_5%

1005_1/16 w

R147100K_5%

1005_1/16 w

12

R658

10K_5% 1005_1/16 w

R658

10K_5% 1005_1/16 w1 2

C3650.1UF_10V 1005_X5R_K

C3650.1UF_10V 1005_X5R_K

1 2

R1062.2K_5%

1005_1/16 w

R1062.2K_5%

1005_1/16 w

12

R57310K_5% 1005_1/16 w

R57310K_5% 1005_1/16 w

1 2

C7990.1UF_10V 1005_X5R_K

C7990.1UF_10V 1005_X5R_K

1 2

C2450.1UF_10V 1005_X5R_K

C2450.1UF_10V 1005_X5R_K

1 2

R56510K_5% 1005_1/16 w

R56510K_5% 1005_1/16 w

1 2

R55110K_5%

1005_1/16 w

R55110K_5%

1005_1/16 w

12

R55810K_5% 1005_1/16 w

R55810K_5% 1005_1/16 w

1 2

R1072.2K_5%

1005_1/16 w

R1072.2K_5%

1005_1/16 w

12

R3944.7K_5%

1005_1/16 w

R3944.7K_5%

1005_1/16 w

12

R56710K_5% 1005_1/16 w

R56710K_5% 1005_1/16 w

1 2

PCI-E*

CLOCKS

CONTROLLER

SMBUS

LINK

FLEX CLOCKS

U5B

COUGAR_POINT_M_R1P0

PCI-E*

CLOCKS

CONTROLLER

SMBUS

LINK

FLEX CLOCKS

U5B

COUGAR_POINT_M_R1P0

PERN1BG34

PERP1BJ34

PERN2BE34

PERP2BF34

PERN3BG36

PERP3BJ36

PERN4BF36

PERP4BE36

PERN5BG37

PERP5BH37

PERN6BJ38

PERP6BG38

PERN7BG40

PERP7BJ40

PERN8BE38

PERP8BC38

PETN1AV32

PETP1AU32

PETN2BB32

PETP2AY32

PETN3AV34

PETP3AU34

PETN4AY34

PETP4BB34

PETN5AY36

PETP5BB36

PETN6AU36

PETP6AV36

PETN7AY40

PETP7BB40

PETN8AW38

PETP8AY38

CLKOUT_PCIE0NY40

CLKOUT_PCIE0PY39

CLKOUT_PCIE1NAB49

CLKOUT_PCIE1PAB47

CLKOUT_PCIE2NAA48

CLKOUT_PCIE2PAA47

CLKOUT_PCIE3NY37

CLKOUT_PCIE3PY36

CLKOUT_PCIE4NY43

CLKOUT_PCIE4PY45

CLKOUT_PCIE5NV45

CLKOUT_PCIE5PV46

CLKIN_GND1 BJ30

CLKIN_GND1_P BG30

CLKIN_DMI BF18

CLKIN_DMI_P BE18

CLKIN_DOT_96N G24

CLKIN_DOT_96P E24

CLKIN_SATA AK7

CLKIN_SATA_P AK5

XTAL25_IN V47

XTAL25_OUT V49

REFCLK14IN K45

CLKIN_PCILOOPBACK H45

CLKOUT_PEG_A AB37

CLKOUT_PEG_A_P AB38

PEG_A_CLKRQ#|GPIO47 M10

PCIECLKRQ0#|GPIO73J2

PCIECLKRQ1#|GPIO18M1

PCIECLKRQ2#|GPIO20V10

PCIECLKRQ3#|GPIO25A8

PCIECLKRQ4#|GPIO26L12

PCIECLKRQ5#|GPIO44L14

CLKOUTFLEX0|GPIO64 K43

CLKOUTFLEX1|GPIO65 F47

CLKOUTFLEX2|GPIO66 H47

CLKOUTFLEX3|GPIO67 K49

CLKOUT_DMI AV22

CLKOUT_DMI_P AU22

PEG_B_CLKRQ#|GPIO56E6

CLKOUT_PEG_B_PAB40CLKOUT_PEG_BAB42

XCLK_RCOMP Y47

CLKOUT_DP_P AM13CLKOUT_DP AM12

CLKOUT_PCIE6NV40

CLKOUT_PCIE6PV42

PCIECLKRQ7#|GPIO46K12

CLKOUT_PCIE7NV38

CLKOUT_PCIE7PV37

CLKOUT_ITPXDPAK14

CLKOUT_ITPXDP_PAK13

SMBALERT#|GPIO11 E12

SMBCLK H14

SMBDATA C9

SML0ALERT#|GPIO60 A12

SML0CLK C8

SML0DATA G12

SML1CLK|GPIO58 E14

SML1DATA|GPIO75 M16

CL_CLK1 M7

CL_DATA1 T11

CL_RST1# P10

PCIECLKRQ6#|GPIO45T13

SML1ALERT#|PCHHOT#|GPIO74 C13

R55610K_5% 1005_1/16 w

R55610K_5% 1005_1/16 w

1 2

R118

10K_5% 1005_1/16 w

R118

10K_5% 1005_1/16 w1 2

R23310K_5%

1005_1/16 w

R23310K_5%

1005_1/16 w

12

Q98

2SK3541

Q98

2SK3541

32

1R569

10K_5% 1005_1/16 wR569

10K_5% 1005_1/16 w1 2

R57410K_5% 1005_1/16 w

R57410K_5% 1005_1/16 w

1 2

R27

10K_5% 1005_1/16 w

R27

10K_5% 1005_1/16 w1 2

C1180.1UF_10V 1005_X5R_K

C1180.1UF_10V 1005_X5R_K

1 2

C2520.1UF_10V 1005_X5R_K

C2520.1UF_10V 1005_X5R_K

1 2

R3974.7K_5%

1005_1/16 w

R3974.7K_5%

1005_1/16 w

12

C5690.1UF_10V 1005_X5R_K

C5690.1UF_10V 1005_X5R_K

1 2

Page 25: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

FDI_TXN0FDI_TXN1FDI_TXN2FDI_TXN3FDI_TXN4FDI_TXN5FDI_TXN6FDI_TXN7

AC_PRESENT_PCH

FDI_TXP0FDI_TXP1FDI_TXP2FDI_TXP3FDI_TXP4FDI_TXP5FDI_TXP6FDI_TXP7

MPWRG

-PCH_SLP_ASW

DMI_RXN0DMI_RXN1DMI_RXN2DMI_RXN3

DMI_RXP0DMI_RXP1DMI_RXP2DMI_RXP3

DMI_TXN0DMI_TXN1DMI_TXN2DMI_TXN3

DMI_TXP0DMI_TXP1DMI_TXP2DMI_TXP3

ASW_PWRG

DRAMPWRG[4,31,87]

SUSCLK_32K [61,68]

SUSPWRDNACK[31,68]

-XDP_DBR[4,11]

FDI_TXN[7:0] [3]

-PCH_SLP_S5 [31,62,68]

BPWRG[11,31,62,68,70,71,91,94]

-PWRSW_EC[62]

-PCH_SLP_S4 [31,68]

-PCH_SLP_S3 [31,62,64,68,78]

-PCH_SLP_M [31,68]

FDI_TXP[7:0] [3]

CPUCORE_PWRGD[79]

FDI_INT [3]

-PM_SYNC [4]

PCHPWRG[31,68]

DMI_RXN[3:0][3]

FDI_FSYNC0 [3]

-PCIE_WAKE [54,57,68]

DMI_RXP[3:0][3]

-PCH_SLP_LAN [31,68]

FDI_FSYNC1 [3]

FDI_LSYNC0 [3]

-BATLOW[62]

FDI_LSYNC1 [3]

DMI_TXN[3:0][3]

DMI_TXP[3:0][3]

-CLKRUN [61,69,71]

MEPWRG[31,94]

-SUS_STAT [61,71]

MPWRG[11,31,61,64,68,74,91]

AC_PRESENT[31,68]

VCC3B VCC3M

VCC3M

VCC3M RTCVCC

VCC1R05B

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

25 99Monday, June 14, 2010

PCH(3/9):DMI/FDI/PMNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

25 99Monday, June 14, 2010

PCH(3/9):DMI/FDI/PMNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

25 99Monday, June 14, 2010

PCH(3/9):DMI/FDI/PMNOZOMI-3 SWG SDV2

C

R21 0_5% 1005_1/16 wR21 0_5% 1005_1/16 w1 2

R13747K_5%1005_1/16 w

R13747K_5%1005_1/16 w

12

R5028.2K_5%1005_1/16 w

R5028.2K_5%1005_1/16 w

12

R481330K_5%

1005_1/16 w

NA

R481330K_5%

1005_1/16 w

NA

12

DMI FDI

SY

ST

EM

PO

WE

R M

AN

AG

EM

EN

T

U5C

COUGAR_POINT_M_R1P0

DMI FDI

SY

ST

EM

PO

WE

R M

AN

AG

EM

EN

T

U5C

COUGAR_POINT_M_R1P0

DMI0RXNBC24

DMI1RXNBE20

DMI2RXNBG18

DMI3RXNBG20

DMI0RXPBE24

DMI1RXPBC20

DMI2RXPBJ18

DMI3RXPBJ20

DMI0TXNAW24

DMI1TXNAW20

DMI2TXNBB18

DMI3TXNAV18

DMI0TXPAY24

DMI1TXPAY20

DMI2TXPAY18

DMI3TXPAU18

DMI_ZCOMPBJ24

DMI_IRCOMPBG25

FDI_RXN0 BJ14

FDI_RXN1 AY14

FDI_RXN2 BE14

FDI_RXN3 BH13

FDI_RXN4 BC12

FDI_RXN5 BJ12

FDI_RXN6 BG10

FDI_RXN7 BG9

FDI_RXP0 BG14

FDI_RXP1 BB14

FDI_RXP2 BF14

FDI_RXP3 BG13

FDI_RXP4 BE12

FDI_RXP5 BG12

FDI_RXP6 BJ10

FDI_RXP7 BH9

FDI_FSYNC0 AV12

FDI_FSYNC1 BC10

FDI_LSYNC0 AV14

FDI_LSYNC1 BB10

FDI_INT AW16

PMSYNCH AP14

SLP_SUS# G16

SLP_S3# F4

SLP_S4# H4

SLP_S5#|GPIO63 D10

SYS_RESET#K3

SYS_PWROKP12

PWRBTN#E20

RI#A10

WAKE# B9

SUS_STAT#|GPIO61 G8

SUSCLK|GPIO62 N14

ACPRESENT|GPIO31H20

BATLOW#|GPIO72E10

PWROKL22

CLKRUN#|GPIO32 N3

RSMRST#C21

DRAMPWROKB13

SLP_LAN#|GPIO29 K14

APWROKL10

DPWROK E22

DMI2RBIASBH21

SLP_A# G10

DSWVRMEN A18

SUSACK#C12

SUSWARN#|SUSPWRDNACK|GPIO30K16

R61410K_5%1005_1/16 w

NA

R61410K_5%1005_1/16 w

NA

12

R409

0_5% 1005_1/16 w

R409

0_5% 1005_1/16 w1 2

R76

750_1% 1005_1/16 w

R76

750_1% 1005_1/16 w1 2

R617 0_5% 1005_1/16 wR617 0_5% 1005_1/16 w1 2

R535

0_5% 1005_1/16 w

R535

0_5% 1005_1/16 w1 2

R164330K_5%1005_1/16 w

R164330K_5%1005_1/16 w

12

R6121K_5%1005_1/16 w

R6121K_5%1005_1/16 w

12

R16110K_5%1005_1/16 w

R16110K_5%1005_1/16 w

12

R201

49.9_1% 1005_1/16 w

R201

49.9_1% 1005_1/16 w1 2

R59 0_5% 1005_1/16 wR59 0_5% 1005_1/16 w1 2

R958

1K_5% 1005_1/16 w

R958

1K_5% 1005_1/16 w1 2

R288.2K_5%1005_1/16 w

R288.2K_5%1005_1/16 w

12

R18910K_5%1005_1/16 w

R18910K_5%1005_1/16 w

12

Q52DTC115TEQ52DTC115TE

2

31

R203

0_5% 1005_1/16 w

R203

0_5% 1005_1/16 w1 2

Page 26: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VGA_BLON_I[36]PANEL_POWER_ON_I[36]

PANEL_BKLT_CTRL_I[36]

SPWG_EDID_CLK_I[36]SPWG_EDID_DATA_I[36]

TXCLK_LN_I[36]TXCLK_LP_I[36]

TXOUT_L0N_I[36]TXOUT_L1N_I[36]TXOUT_L2N_I[36]

TXOUT_L0P_I[36]TXOUT_L1P_I[36]TXOUT_L2P_I[36]

TXCLK_UN_I[36]TXCLK_UP_I[36]

TXOUT_U0N_I[36]TXOUT_U1N_I[36]TXOUT_U2N_I[36]

TXOUT_U0P_I[36]TXOUT_U1P_I[36]TXOUT_U2P_I[36]

RED_I[33]GREEN_I[33]BLUE_I[33]

DDCDATA_I[34]DDCCLK_I[34]

VSYNC_I[34]HSYNC_I[34]

VCC3B

VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

26 99Monday, June 14, 2010

PCH(4/9):LVDS/CRT/DDINOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

26 99Monday, June 14, 2010

PCH(4/9):LVDS/CRT/DDINOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

26 99Monday, June 14, 2010

PCH(4/9):LVDS/CRT/DDINOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC011

NZM3_SWG_SDV2_EC011

NZM3_SWG_SDV2_EC011NZM3_SWG_SDV2_EC011

NZM3_SWG_SDV2_EC011

NZM3_SWG_SDV2_EC071

R527 150_1% 1005_1/16 wR527 150_1% 1005_1/16 w1 2

R513 150_1% 1005_1/16 wR513 150_1% 1005_1/16 w1 2R40

4.7K_5%1005_1/16 w

R404.7K_5%

1005_1/16 w

12

R138100K_5%

1005_1/16 w

R138100K_5%

1005_1/16 w12

R6872.2K_5%

1005_1/16 w

R6872.2K_5%

1005_1/16 w

12

R5362.2K_5%

1005_1/16 w

R5362.2K_5%

1005_1/16 w

12

R433100K_5%

1005_1/16 w

R433100K_5%

1005_1/16 w12

R384.7K_5%

1005_1/16 w

R384.7K_5%

1005_1/16 w

12

R242 150_1% 1005_1/16 wR242 150_1% 1005_1/16 w1 2

R643

2.37K_1% 1005_1/16 w

R643

2.37K_1% 1005_1/16 w1 2

R140 1.02k_0.5%1005_1/16 w

R140 1.02k_0.5%1005_1/16 w

1 2

LVDS

DIG

ITA

L D

ISP

LAY

INT

ER

FA

CE

CRT

U5D

COUGAR_POINT_M_R1P0

LVDS

DIG

ITA

L D

ISP

LAY

INT

ER

FA

CE

CRT

U5D

COUGAR_POINT_M_R1P0

L_BKLTCTLP45

L_BKLTENJ47

L_CTRL_CLKT45

L_CTRL_DATAP39

L_DDC_CLKT40

L_DDC_DATAK47

L_VDD_ENM45

LVDSA_CLK#AK39

LVDSA_CLKAK40

LVDSA_DATA#0AN48

LVDSA_DATA#1AM47

LVDSA_DATA#2AK47

LVDSA_DATA#3AJ48

LVDSA_DATA0AN47

LVDSA_DATA1AM49

LVDSA_DATA2AK49

LVDSA_DATA3AJ47

LVDSB_CLK#AF40

LVDSB_CLKAF39

LVDSB_DATA#0AH45

LVDSB_DATA#1AH47

LVDSB_DATA#2AF49

LVDSB_DATA#3AF45

LVDSB_DATA0AH43

DDPB_0N AV42

DDPB_1N AV45

LVD_VREFHAE48

LVD_VREFLAE47

DDPD_2N BF42

DDPD_3N BJ42

DDPB_2N AU48

DDPB_3N AV47

DDPC_0N AY47

DDPC_1N AY43

DDPC_2N BA47

DDPC_3N BB47

DDPD_0N BB43

DDPD_1N BF44

DDPB_0P AV40

DDPB_1P AV46

DDPD_2P BE42

DDPD_3P BG42

DDPB_2P AU47

DDPB_3P AV49

LVDSB_DATA1AH49

LVDSB_DATA2AF47

LVDSB_DATA3AF43

LVD_IBGAF37

LVD_VBGAF36

DDPC_1P AY45

DDPC_0P AY49

DDPC_2P BA48

DDPC_3P BB49

DDPD_0P BB45

DDPD_1P BE44

CRT_BLUEN48

CRT_DDC_CLKT39

CRT_DDC_DATAM40

CRT_GREENP49

CRT_HSYNCM47

CRT_IRTNT42

CRT_REDT49

CRT_VSYNCM49

DAC_IREFT43

SDVO_CTRLCLK P38

SDVO_CTRLDATA M39

DDPC_CTRLCLK P46

DDPC_CTRLDATA P42

DDPD_CTRLCLK M43

DDPD_CTRLDATA M36

DDPB_AUXN AT49

DDPC_AUXN AP47

DDPD_AUXN AT45

DDPB_AUXP AT47

DDPC_AUXP AP49

DDPD_AUXP AT43

DDPB_HPD AT40

DDPC_HPD AT38

DDPD_HPD BH41

SDVO_TVCLKINP AP45SDVO_TVCLKINN AP43

SDVO_STALLP AM40SDVO_STALLN AM42

SDVO_INTP AP40SDVO_INTN AP39

Page 27: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

LPCCLK_DEBUG_33M_R

USBRBIAS

LPCCLK_CRYPT_33M_R

LPCCLK_EC_33M_RPCICLK_FB_33M_R

DOCKID1DOCKID2

DOCKID0

LPCCLK_CRYPT_33M[69]

LPCCLK_EC_33M[61]PCICLK_FB_33M[24]

USBP8- [35]USBP8+ [35]USBP9- [42]USBP9+ [42]USBP10- [64]USBP10+ [64]USBP11- [64]USBP11+ [64]USBP12- [60]USBP12+ [60]USBP13- [32]USBP13+ [32]

LPCCLK_DEBUG_33M[71]

-PLTRST_NEAR[31,55,58,61,68,69,71]

-PLTRST_FAR[4,11,50,54]

USBP0- [42]USBP0+ [42]

-USB_PORT0_OC0 [42]

OPTIMUS_ENABLE[33,34,36,37]

USBP1- [42]USBP1+ [42]

-LCD_PRESENCE[32]

-USB_PORT1_OC1 [42]

DOCKID[2:0][60]

USBP2- [54]USBP2+ [54]USBP3- [54]USBP3+ [54]

-USB_PORT8_OC4 [42]-USB_PORT9_OC5 [42]

USBP4- [57]USBP4+ [57]

-MDC_KILL [49]SMB_3B_EN [71]

DRAMRST_GATE [4,12]

USBP5- [57]USBP5+ [57]

-SC_DTCT[57]

-BDC_PRESENCE[64]

VCC3B

VCC3M

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

27 99Monday, June 14, 2010

PCH(5/9):PCI/USB/NVRAMNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

27 99Monday, June 14, 2010

PCH(5/9):PCI/USB/NVRAMNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

27 99Monday, June 14, 2010

PCH(5/9):PCI/USB/NVRAMNOZOMI-3 SWG SDV2

C

USB PORT TO

0 SYSTEM PORT 4

2 HALF MINICARD (WLAN)

1 SYSTEM PORT 2

4 SMART CARD SLOT

5 EXPRESS CARD SLOT

10 FPR (TOUCH PAD)

6 RESERVED

8 SYSTEM PORT 3

3 FULL MINICARD (WWAN)

12 DOCKING

11 BLUETOOTH (TOUCH PAD)

13 USB CAMERA (LCD)

INTEGRATED PULL UP

7 RESERVED

9 SYSTEM PORT 1

ECR027

LOW

LVDS/VGA

HIGH IGPU

DGPU

OPTIMUS_ENABLE

TABLE

NZM3_SWG_SDV2_EC012

NZM3_SWG_SDV2_EC032

SWG_SDV2_EC039NZM3_SWG_SDV2_EC045NZM3_SWG_SDV2_EC071

NZM3_SWG_SDV2_EC071

NZM3_SWG_SDV2_EC071

R25

4

10K

_5%

1005

_1/1

6 w

R25

4

10K

_5%

1005

_1/1

6 w

12

R114 22_5% 1005_1/16 wR114 22_5% 1005_1/16 w1 2

R43

58.

2K_5

%10

05_1

/16

wR

435

8.2K

_5%

1005

_1/1

6 w

12

R56422.6_1% 1005_1/16 w

R56422.6_1% 1005_1/16 w

1 2

C460100PF_50V1005_NPO_ J

C460100PF_50V1005_NPO_ J

12

R55

08.

2K_5

%10

05_1

/16

wR

550

8.2K

_5%

1005

_1/1

6 w

12

R356 22_5% 1005_1/16 wR356 22_5% 1005_1/16 w12

R24

8

10K

_5%

1005

_1/1

6 w

R24

8

10K

_5%

1005

_1/1

6 w

12

C46100PF_50V1005_NPO_ J

C46100PF_50V1005_NPO_ J

12

R26

6

10K

_5%

1005

_1/1

6 w

R26

6

10K

_5%

1005

_1/1

6 w

12

R16

08.

2K_5

%10

05_1

/16

wN

AR

160

8.2K

_5%

1005

_1/1

6 w

NA

12

R46

58.

2K_5

%10

05_1

/16

wR

465

8.2K

_5%

1005

_1/1

6 w

12

RSVD

PCI USB

U5E

COUGAR_POINT_M_R1P0

RSVD

PCI USB

U5E

COUGAR_POINT_M_R1P0

RSVD23 AV5

RSVD1 AY7

RSVD2 AV7

RSVD3 AU3

RSVD4 BG4

RSVD5 AT10

RSVD6 BC8

RSVD7 AU2

RSVD8 AT4

RSVD17 BB5

RSVD18 BB3

RSVD19 BB7

RSVD20 BE8

RSVD21 BD4

RSVD22 BF6

RSVD9 AT3

RSVD10 AT1

RSVD11 AY3

RSVD12 AT5

RSVD13 AV3

RSVD14 AV1

RSVD15 BB1

RSVD16 BA3

RSVD25 AT8

RSVD24 AV10

RSVD26 AY5

RSVD27 BA2

RSVD28 AT12

RSVD29 BF3

PIRQA#K40

PIRQB#K38

PIRQC#H38

PIRQD#G38

REQ1#|GPIO50C46

REQ2#|GPIO52C44

REQ3#|GPIO54E40

GNT1#|GPIO51D47

GNT2#|GPIO53E42

GNT3#|GPIO55F46

PIRQE#|GPIO2G42

PIRQF#|GPIO3G40

PIRQG#|GPIO4C42

PIRQH#|GPIO5D44

USBP0N C24

USBP0P A24

USBP1N C25

USBP1P B25

USBP2N C26

USBP2P A26

USBP3N K28

USBP3P H28

USBP4N E28

USBP4P D28

USBP5N C28

USBP5P A28

USBP6N C29

USBP6P B29

USBP7N N28

USBP7P M28

USBP8N L30

USBP8P K30

USBP9N G30

USBP9P E30

USBP10N C30

USBP10P A30

USBP11N L32

USBP11P K32

USBP12N G32

USBP12P E32

USBP13N C32

USBP13P A32

PME#K10

CLKOUT_PCI0H49

CLKOUT_PCI1H43

CLKOUT_PCI2J48

USBRBIAS# C33

USBRBIAS B33

OC0#|GPIO59 A14

OC1#|GPIO40 K20

OC2#|GPIO41 B17

OC3#|GPIO42 C16

OC4#|GPIO43 L16

OC5#|GPIO9 A16

OC6#|GPIO10 D14

OC7#|GPIO14 C14CLKOUT_PCI4H40CLKOUT_PCI3K42

PLTRST#C6

TP1BG26

TP2BJ26

TP3BH25

TP6AH38

TP7AH37

TP8AK43

TP9AK45

TP16Y13

TP17K24

TP18L24

TP19AB46

TP20AB45

TP21B21

TP22M20

TP23AY16

TP25BE28

TP26BC30

TP27BE32

TP28BJ32

TP29BC28

TP30BE30

TP31BF32

TP32BG32

TP33AV26

TP34BB26

TP35AU28

TP36AY30

TP37AU26

TP38AY26

TP39AV28

TP40AW30

TP4BJ16

TP5BG16

TP15AM5 TP14AM4TP13AH12 TP12H3TP11N30TP10C18

TP24BG46

R99133_5% 1005_1/16 w

R99133_5% 1005_1/16 w

1 2

R26

1

10K

_5%

1005

_1/1

6 w

R26

1

10K

_5%

1005

_1/1

6 w

12

U73

TC7SG17FE

U73

TC7SG17FE

GND 3

VCC 5

OUT4

NC1

IN 2

R46

48.

2K_5

%10

05_1

/16

wR

464

8.2K

_5%

1005

_1/1

6 w

12

R43

28.

2K_5

%10

05_1

/16

wR

432

8.2K

_5%

1005

_1/1

6 w

12

R54

28.

2K_5

%10

05_1

/16

wR

542

8.2K

_5%

1005

_1/1

6 w

12

R66

38.

2K_5

%10

05_1

/16

wN

AR

663

8.2K

_5%

1005

_1/1

6 w

NA

12

R220 0_5% 1005_1/16 wR220 0_5% 1005_1/16 w1 2

R44

08.

2K_5

%10

05_1

/16

wR

440

8.2K

_5%

1005

_1/1

6 w

12

R26

0

10K

_5%

1005

_1/1

6 w

R26

0

10K

_5%

1005

_1/1

6 w

12

R54

58.

2K_5

%10

05_1

/16

wR

545

8.2K

_5%

1005

_1/1

6 w

12

R54

68.

2K_5

%10

05_1

/16

wR

546

8.2K

_5%

1005

_1/1

6 w

12

R64

8

10K

_5%

1005

_1/1

6 w

R64

8

10K

_5%

1005

_1/1

6 w

12

R43

08.

2K_5

%10

05_1

/16

wR

430

8.2K

_5%

1005

_1/1

6 w

12

R193 22_5% 1005_1/16 wR193 22_5% 1005_1/16 w1 2

R26

2

10K

_5%

1005

_1/1

6 w

R26

2

10K

_5%

1005

_1/1

6 w

12

R66

98.

2K_5

%10

05_1

/16

wN

AR

669

8.2K

_5%

1005

_1/1

6 w

NA

12

R10

1

10K

_5%

1005

_1/1

6 w

R10

1

10K

_5%

1005

_1/1

6 w

12

R99333_5% 1005_1/16 w

R99333_5% 1005_1/16 w

1 2

R43

88.

2K_5

%10

05_1

/16

wR

438

8.2K

_5%

1005

_1/1

6 w

12

Page 28: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DGFX_VRAM_ID

-MIC_HW_EN

PLANARID2

PLANARID3

PLANARID3PLANARID2PLANARID1PLANARID0

PLANARID0

PLANARID1

DGFX_PWRGD[24,83]

PECI [4,62]

-KBRC [62]

SATA_BAY_DTCT[23]

CPUPWRGD [4,11]

-THERMTRIP [4]

LANPHYPC[50]

-INT_MIC_DTCT [32]

-1394_DTCT[42]

-EC_SCI[61]

KBGA20 [61]

USB_SBD[54]

-DTPM_PRESENCE[69]

-MSATA_DTCT[54]

SDP_HPD[35]

VCC3MVCC3B

VCC1R8B

VCC3MVCC3B

VCC3B

VCC3B VCC3B VCC3B VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

28 99Monday, June 14, 2010

PCH(6/9):GPIO/NCTF/RSVDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

28 99Monday, June 14, 2010

PCH(6/9):GPIO/NCTF/RSVDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

28 99Monday, June 14, 2010

PCH(6/9):GPIO/NCTF/RSVDNOZOMI-3 SWG SDV2

C

DGFX_VRAM_ID

HIGH

LOW

1GB

512MB

GPIO15

HIGH

LOW

ME CRYPTO STRAP

WITH CONFIDENTIALITY

NO CONFIDENTIALITY

DF_TVS

HIGH VCCIO TERMINATION

PLANAR ID

1 R39

LEVEL

PDV

SDV

0000B

0000B/0001B

PLANARID[3..0]

LEVEL

0

0123

R505 R37 R671

R43 R47 R113 R48

FOR SOLDER CRACK DETECTION

FOR SOLDER CRACK DETECTION

TABLE

TABLE

GPIO8

HIGH

LOW

INTEGRATED CLOCKING

DISABLED(BTM)

ENABLED(FCIM)

TABLE

TABLE

TABLE

TABLE

NZM3_SWG_SDV2_EC032

SDV2 0010B

SWG_SDV2_EC039

SWG_SDV2_EC039

SWG_SDV2_EC039

SWG_SDV2_EC039

SWG_SDV2_EC039

SWG_SDV2_EC039

NZM3_SWG_SDV2_EC046

NZM3_SWG_SDV2_EC062

NZM3_SWG_SDV2_EC065NZM3_SWG_SDV2_EC068

R67110K_5%

1005_1/16 wNA

R67110K_5%

1005_1/16 wNA1

2

R682

0_5% 1005_1/16 wNA

R682

0_5% 1005_1/16 wNA1 2

TP115 TESTPADTP115 TESTPAD1

R353 10K_5% 1005_1/16 wR353 10K_5% 1005_1/16 w1 2

TP128TESTPAD TP128TESTPAD 1

TP134TESTPAD TP134TESTPAD 1

R1650_5% 1005_1/16 w

R1650_5% 1005_1/16 w

1 2

R68510K_5%

1005_1/16 w

R68510K_5%

1005_1/16 w

12

TP124TESTPAD TP124TESTPAD 1

R770_5% 1005_1/16 w

R770_5% 1005_1/16 w

1 2

TP120 TESTPADTP120 TESTPAD1

TP110 TESTPADTP110 TESTPAD1

R69010K_5%

1005_1/16 w

R69010K_5%

1005_1/16 w

12

R8110K_5%

1005_1/16 w

R8110K_5%

1005_1/16 w

12

TP118 TESTPADTP118 TESTPAD1

R48510K_5%

1005_1/16 wNA

R48510K_5%

1005_1/16 wNA1

2

TP2TESTPAD TP2TESTPAD 1

R28010K_5%

1005_1/16 w

R28010K_5%

1005_1/16 w

12

TP125TESTPAD TP125TESTPAD 1

R93310K_5%

1005_1/16 w

R93310K_5%

1005_1/16 w

12

TP132TESTPAD TP132TESTPAD 1

TP113 TESTPADTP113 TESTPAD1

TP129TESTPAD TP129TESTPAD 1

TP137TESTPAD TP137TESTPAD 1

R68610K_5%

1005_1/16 wNA

R68610K_5%

1005_1/16 wNA1

2

R7040_5% 1005_1/16 w

R7040_5% 1005_1/16 w

1 2

R3910K_5%

1005_1/16 wNA

R3910K_5%

1005_1/16 wNA1

2

R68310K_5%

1005_1/16 wNA

R68310K_5%

1005_1/16 wNA1

2

TP116 TESTPADTP116 TESTPAD1

R11310K_5%

1005_1/16 w

NA

R11310K_5%

1005_1/16 w

NA

12

GPIO

CPU/MISC

NCTF

U5F

COUGAR_POINT_M_R1P0

GPIO

CPU/MISC

NCTF

U5F

COUGAR_POINT_M_R1P0

GPIO27E16

GPIO28P8

GPIO24|MEM_LEDE8

GPIO57D6

LAN_PHY_PWR_CTRL|GPIO12C4

VSS_NCTF_1A4

VSS_NCTF_2A44

VSS_NCTF_3A45

VSS_NCTF_4A46

VSS_NCTF_5A5

VSS_NCTF_6A6

VSS_NCTF_7B3

VSS_NCTF_8B47

VSS_NCTF_9BD1

VSS_NCTF_10BD49

VSS_NCTF_11BE1

VSS_NCTF_12BE49

TACH2|GPIO6H36

TACH0|GPIO17D40

TACH3|GPIO7E38

SATA3GP|GPIO37M5

SATA5GP|GPIO49V3

SCLOCK|GPIO22T5

SLOAD|GPIO38N2

SDATAOUT0|GPIO39M3

SDATAOUT1|GPIO48V13

PROCPWRGD AY11

RCIN# P5

PECI AU16

THRMTRIP# AY10

GPIO8C10

BMBUSY#|GPIO0T7

GPIO15G2

TACH1|GPIO1A42

SATA2GP|GPIO36V8

INIT3_3V# T14

STP_PCI#|GPIO34K1

GPIO35K4

SATA4GP|GPIO16U2

VSS_NCTF_32 F49

A20GATE P4

TACH4|GPIO68 C40

TACH6|GPIO70 C41

TACH7|GPIO71 A40

TACH5|GPIO69 B41

VSS_NCTF_17 BH3

VSS_NCTF_18 BH47

VSS_NCTF_19 BJ4

VSS_NCTF_20 BJ44

VSS_NCTF_21 BJ45

VSS_NCTF_22 BJ46

VSS_NCTF_23 BJ5

VSS_NCTF_24 BJ6

VSS_NCTF_25 C2

VSS_NCTF_26 C48

VSS_NCTF_27 D1

VSS_NCTF_28 D49

VSS_NCTF_29 E1

VSS_NCTF_30 E49

VSS_NCTF_31 F1

TS_VSS4 AK10

TS_VSS3 AH10

TS_VSS2 AK11

TS_VSS1 AH8

NC_1 P37

VSS_NCTF_13BF1

VSS_NCTF_14BF49

VSS_NCTF_15 BG2

VSS_NCTF_16 BG48

DF_TVS AY1

TP111 TESTPADTP111 TESTPAD1

R4810K_5%

1005_1/16 w

R4810K_5%

1005_1/16 w

12

R50510K_5%

1005_1/16 wNA

R50510K_5%

1005_1/16 wNA1

2

R61010K_5%

1005_1/16 w

R61010K_5%

1005_1/16 w

12

TP135TESTPAD TP135TESTPAD 1

R48410K_5%

1005_1/16 w

R48410K_5%

1005_1/16 w

12

R4310K_5%

1005_1/16 w

R4310K_5%

1005_1/16 w

12

TP126TESTPAD TP126TESTPAD 1TP108 TESTPADTP108 TESTPAD1

R68910K_5%

1005_1/16 w

R68910K_5%

1005_1/16 w

12

R54410K_5%

1005_1/16 w

R54410K_5%

1005_1/16 w

12

R320 10K_5% 1005_1/16 wR320 10K_5% 1005_1/16 w1 2

R4710K_5%

1005_1/16 w

R4710K_5%

1005_1/16 w

12 TP121 TESTPADTP121 TESTPAD1

TP130TESTPAD TP130TESTPAD 1

R68410K_5%

1005_1/16 w

NA

R68410K_5%

1005_1/16 w

NA

12

R801K_5%

1005_1/16 w

R801K_5%

1005_1/16 w12

TP114 TESTPADTP114 TESTPAD1

TP133TESTPAD TP133TESTPAD 1

TP119 TESTPADTP119 TESTPAD1

R96110K_5%

1005_1/16 w

R96110K_5%

1005_1/16 w12

R36010K_5%

1005_1/16 w

R36010K_5%

1005_1/16 w

12

TP122TESTPAD TP122TESTPAD 1

TP112 TESTPADTP112 TESTPAD1

R2261K_5%

1005_1/16 w

R2261K_5%

1005_1/16 w1

2

R3710K_5%

1005_1/16 w

R3710K_5%

1005_1/16 w

12

TP127TESTPAD TP127TESTPAD 1

TP138TESTPAD TP138TESTPAD 1

TP117 TESTPADTP117 TESTPAD1

R6960_5% 1005_1/16 w

R6960_5% 1005_1/16 w

1 2

R19610K_5%1005_1/16 wNA

R19610K_5%1005_1/16 wNA1

2

R5431K_5% 1005_1/16 w

R5431K_5% 1005_1/16 w

1 2

TP109 TESTPADTP109 TESTPAD1

TP136TESTPAD TP136TESTPAD 1

R357 390_5% 1005_1/16 wR357 390_5% 1005_1/16 w1 2

TP123TESTPAD TP123TESTPAD 1

R93210K_5%

1005_1/16 w

R93210K_5%

1005_1/16 w

12

TP131TESTPAD TP131TESTPAD 1

Page 29: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC3LAN_PCH

VCC1R05B_PCHCORE

VCC1R05B_FDI

VCC1R05B_DIMCLK

VCC1R8B VCC1R8B_PCH

VCC1R05B_VTT VCC1R05B_VTT_PCH

VCC3B_PCH

VCC3LAN

VCC1R5B_PCH

VCC1R05B_PCHIO

VCC1R5B_PCH

VCC1R8B_PCH

VCC1R05B

VCC1R05B

VCC1R05B_VTT_PCH

VCC3B_PCH

VCC1R05B

VCC1R05B

VCC3B VCC3B_PCH

VCC1R05B

VCC1R05B_PCHIO

VCC1R05B_VTT_PCH

VCC1R05B_PCHIO

VCC1R8B_PCH

VCC3B_PCH

VCC3B_PCH

VCC1R5B VCC1R5B_PCH

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

29 99Monday, June 14, 2010

PCH(7/9):POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

29 99Monday, June 14, 2010

PCH(7/9):POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

29 99Monday, June 14, 2010

PCH(7/9):POWERNOZOMI-3 SWG SDV2

C

357mA

(For VCC3_3)

85mA

(FOR VCCME3_3)

59mA

(For VCCTX_LVDS)

37mA (For VCCFDIPLL)

1mA

(For VCCALVDS)

1.432A

(For VCCCORE)

58mA

(For VCCDMI)

3.062A

(For VCCIO)

156mA

(For VCCPNAND)

(For VCCIO)

3.062A

(For VCCIO)

3.062A

(For VCC3_3)

357mA

69mA

(For VCCDAC)

C5571UF_10V1608_X5R_K

NA

C5571UF_10V1608_X5R_K

NA

12

C5080.01UF_25V1005_X7R_K

C5080.01UF_25V1005_X7R_K

12

C1110UF_6.3V1608_X5R_M

C1110UF_6.3V1608_X5R_M

12

C5251UF_10V1005_X5R_K

C5251UF_10V1005_X5R_K

12

C3980.1UF_10V1005_X5R_K

C3980.1UF_10V1005_X5R_K

12

R8280.01_1% 0816_1/3 w

R8280.01_1% 0816_1/3 w

1 2

R8410.01_1%

0816_1/3 w

R8410.01_1%

0816_1/3 w

12

L171uH GLFR1608T1R0M-LR

NA

L171uH GLFR1608T1R0M-LR

NA2

1

C5001UF_10V1005_X5R_K

C5001UF_10V1005_X5R_K

12

C5530.1UF_10V1005_X5R_K

C5530.1UF_10V1005_X5R_K

12

R820

0.01_1%0816_1/3 w

R820

0.01_1%0816_1/3 w

1 2

C50710UF_6.3V1608_X5R_M

NA

C50710UF_6.3V1608_X5R_M

NA

12

C5150.1UF_10V1005_X5R_K

C5150.1UF_10V1005_X5R_K

12

C5051UF_10V1005_X5R_K

C5051UF_10V1005_X5R_K

12

C5100.01UF_25V1005_X7R_K

C5100.01UF_25V1005_X7R_K

12

C35910UF_6.3V1608_X5R_M

C35910UF_6.3V1608_X5R_M

12

C3971UF_10V1005_X5R_K

C3971UF_10V1005_X5R_K

12

C5430.1UF_10V1005_X5R_K

C5430.1UF_10V1005_X5R_K

12

POWER

CRT

VC

C C

OR

E

LVDS

HVCMOS

DMI

DFT / SPI

FDI

VCCIO

U5G

COUGAR_POINT_M_R1P0

POWER

CRT

VC

C C

OR

E

LVDS

HVCMOS

DMI

DFT / SPI

FDI

VCCIO

U5G

COUGAR_POINT_M_R1P0

VCCCORE_1AA23

VCCCORE_2AC23

VCCCORE_3AD21

VCCCORE_4AD23

VCCCORE_5AF21

VCCCORE_6AF23

VCCCORE_7AG21

VCCCORE_8AG23

VCCCORE_9AG24

VCCCORE_10AG26

VCCCORE_11AG27

VCCCORE_12AG29

VCCCORE_13AJ23

VCCCORE_14AJ26

VCCCORE_15AJ27

VCCDFTERM_4 AJ17

VCCDFTERM_3 AJ16

VCCIO_17AN21

VCCIO_18AN26

VCCIO_19AN27

VCCIO_20AP21

VCCIO_23AP26

VCCIO_24AT24

VCCIO_15AN16

VCCIO_16AN17

VCCIO_21AP23

VCCIO_22AP24

VCCADAC U48

VCCTX_LVDS_1 AM37

VCCTX_LVDS_2 AM38

VCCALVDS AK36

VCCVRM_3 AT16

VCCVRM_2AP16

VCCAPLLEXPBJ22

VCCAFDIPLLBG6

VCCIO_28AN19VCCTX_LVDS_4 AP37

VCCTX_LVDS_3 AP36

VSSADAC U47

VSSALVDS AK37

VCCIO_27AP17

VCC3_3_6 V33

VCC3_3_7 V34

VCC3_3_3BH29 VCCDFTERM_2 AG17

VCCDFTERM_1 AG16

VCCDMI_1 AT20

VCCIO_25AN33

VCCIO_26AN34

VCCCORE_16AJ29

VCCCORE_17AJ31

VCCSPI V1

VCCCLKDMI AB36

VCCDMI_2AU20

R883

0.01_1% 0816_1/3 w

R883

0.01_1% 0816_1/3 w1 2

L22

0.1uH MLF1608DR10JT000

L22

0.1uH MLF1608DR10JT00021

R8260.01_1%

0816_1/3 w

R8260.01_1%

0816_1/3 w

12

C75822UF_6.3V2125_X5R_M

C75822UF_6.3V2125_X5R_M

12

L21

BLM18PG181SN1

L21

BLM18PG181SN121

C1491UF_10V1005_X5R_K

C1491UF_10V1005_X5R_K

12

L20

1uH GLFR1608T1R0M-LRNA

L20

1uH GLFR1608T1R0M-LRNA

21

R819

0.01_1%0816_1/3 w

R819

0.01_1%0816_1/3 w

1 2

C171UF_10V1005_X5R_K

C171UF_10V1005_X5R_K

12

C72922UF_6.3V2125_X5R_M

C72922UF_6.3V2125_X5R_M

12

C50110UF_6.3V1608_X5R_M

NA

C50110UF_6.3V1608_X5R_M

NA

12

R8380.01_1%

0816_1/3 w

R8380.01_1%

0816_1/3 w

12

C5630.01UF_25V1005_X7R_K

C5630.01UF_25V1005_X7R_K

12

R877

0.01_1%0816_1/3 w

R877

0.01_1%0816_1/3 w

1 2

C121UF_10V1005_X5R_K

C121UF_10V1005_X5R_K

12

C56722UF_6.3V2125_X5R_M

C56722UF_6.3V2125_X5R_M

12

R843

0.01_1%0816_1/3 w

R843

0.01_1%0816_1/3 w

1 2

Page 30: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC1R05B_DPLL

VCC1R05B_USB

VCC1R05B_SATA

VCC1R05B

VCC3M_PCH

VCC3B_PCHVCC1R05B_CLKGEN

VCC1R05B

VCC1R05AMT_PCH

VCC1R05AMT_PCH VCC1R05AMT

VCC1R5B_PCH

VCC1R05B

VCC1R05B_CLKGEN

VCC1R05B_VTT_PCH

RTCVCC

VCC3M_PCH

VCC1R05B

VCC3M_PCH

VCC3M_PCH VCC5M

VCC3B_PCH VCC5B

VCC3B_PCH

VCC1R05B

VCC1R05B

VCC1R5B_PCH

VCC1R05AMT_PCH

VCC3M_PCH

VCC3M VCC3M_PCH

VCC1R05B VCC1R05B_CLKGEN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

30 99Monday, June 14, 2010

PCH(8/9):POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

30 99Monday, June 14, 2010

PCH(8/9):POWERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

30 99Monday, June 14, 2010

PCH(8/9):POWERNOZOMI-3 SWG SDV2

C

1.849A

(For VCCME)

68mA

(For VCCADPLLA)

69mA

(For VCCADPLLB)3.062A (For VCCIO)

1mA

(For V_CPU_IO)

(For VCCRTC)

C700,C721 : 15 mOHM

3.062A

(For VCCIO)

163mA

(For VCCSUS3_3)

1mA

(FOR V5REFSUS)

(For V5REF)

1mA

357mA

(For VCC3_3)

3.062A

(For VCCIO)

31mA

(For VCCSATAPLL)

1.849A

(For VCCME)

6mA

(For VCCSUSHDA)

NZM3_SWG_SDV2_EC077

C621

1UF_10V1005_X5R_K

NA

C621

1UF_10V1005_X5R_K

NA

1 2

R8500.01_1%

0816_1/3 w

R8500.01_1%

0816_1/3 w

12

C748

1UF_10V1005_X5R_K

NA

C748

1UF_10V1005_X5R_K

NA

1 2

C8310.1UF_10V1005_X5R_K

C8310.1UF_10V1005_X5R_K

12

C8500.1UF_10V1005_X5R_K

C8500.1UF_10V1005_X5R_K

12

C8490.1UF_10V1005_X5R_K

C8490.1UF_10V1005_X5R_K

12

C75722UF_6.3V2125_X5R_M

C75722UF_6.3V2125_X5R_M

12

+ C700

220UF_4V7343_X5R_M

+ C700

220UF_4V7343_X5R_M

12

C85610UF_6.3V1608_X5R_M

NA

C85610UF_6.3V1608_X5R_M

NA

12

R705

0_5% 1005_1/16 w

R705

0_5% 1005_1/16 w1 2

C795

0.1UF_10V1005_X5R_K

C795

0.1UF_10V1005_X5R_K

1 2

C8181UF_10V1005_X5R_K

C8181UF_10V1005_X5R_K

12

C7961UF_10V1005_X5R_K

C7961UF_10V1005_X5R_K

12

R849

0.01_1%0816_1/3 w

R849

0.01_1%0816_1/3 w

1 2

C7610.1UF_10V1005_X5R_K

C7610.1UF_10V1005_X5R_K

12

R8440.01_1%0816_1/3 w

R8440.01_1%0816_1/3 w

12

C8220.1UF_10V1005_X5R_K

C8220.1UF_10V1005_X5R_K

12

C8520.1UF_10V1005_X5R_K

C8520.1UF_10V1005_X5R_K

12

C7601UF_10V1005_X5R_K

C7601UF_10V1005_X5R_K

12

POWER

CLO

CK

AN

D M

ISC

ELLA

NE

OU

S

PC

I / G

PIO

/ LP

C

USB

SATA

MISC

RTC

CPU

HDA

U5J

COUGAR_POINT_M_R1P0

POWER

CLO

CK

AN

D M

ISC

ELLA

NE

OU

S

PC

I / G

PIO

/ LP

C

USB

SATA

MISC

RTC

CPU

HDA

U5J

COUGAR_POINT_M_R1P0

DCPSUSBYPV12

VCCASW_1AA19

VCCASW_2AA21

VCCASW_3AA24

VCCASW_5AA27

VCCASW_6AA29

VCCSUSHDA P32

VCCSUS3_3_6 P24

VCCIO_34 T26

VCCIO_4 AD17

VCCASW_7AA31

VCCASW_8AC26

VCCASW_9AC27

VCCASW_10AC29

VCCASW_11AC31

VCCASW_12AD29

V5REF P34

VCC3_3_4 T34

VCCRTCA22

VCCSUS3_3_10 V24

VCCSUS3_3_9 V23

VCCSUS3_3_8 T24

VCCSUS3_3_7 T23

VCCIO_2 AC16

VCCADPLLBBF47

VCCDIFFCLKN_1AF33

V5REF_SUS M26

VCCIO_3 AC17

DCPSUS_1T17

VCCSSCAG33

VCCADPLLABD47

VCCVRM_4Y49

VCCACLKAD49

DCPRTCN16

VCCASW_4AA26

VCCDIFFCLKN_2AF34

VCCIO_7AF17

DCPSSTV16

VCCIO_5 AF13

VCCASW_22 T21

VCCASW_23 V21

VCCASW_21 T19

VCC3_3_1 AA16

VCC3_3_8 W16

VCCSUS3_3_2 N20

VCCSUS3_3_3 N22

VCCSUS3_3_4 P20

VCCSUS3_3_5 P22

VCCIO_29 N26

VCCIO_30 P26

VCCIO_31 P28

VCCIO_32 T27

V_PROC_IOBJ8

VCCIO_33 T29

VCCDIFFCLKN_3AG34

VCCASW_13AD31

VCCASW_14W21

VCCASW_15W23

VCCASW_16W24

VCCASW_17W26

VCCASW_18W29

VCCASW_19W31

VCCASW_20W33

VCCIO_6 AF14

VCCVRM_1 AF11

VCCIO_12 AH13

VCCIO_13 AH14

VCC3_3_2 AJ2

VCCAPLLSATA AK1

DCPSUS_3AL24

VCCIO_14AL29

DCPSUS_4 AN23

VCCSUS3_3_1 AN24

VCCAPLLDMI2BH23

DCPSUS_2V19

VCCDSW3_3T16

VCC3_3_5T38

C7851UF_10V1005_X5R_K

C7851UF_10V1005_X5R_K

12

C8510.1UF_10V1005_X5R_K

C8510.1UF_10V1005_X5R_K

12

C759

0.1UF_10V1005_X5R_K

NA

C759

0.1UF_10V1005_X5R_K

NA1 2

R853

0.01_1%0816_1/3 w

R853

0.01_1%0816_1/3 w

1 2

C7630.1UF_10V1005_X5R_K

C7630.1UF_10V1005_X5R_K

12

C8481UF_10V1005_X5R_K

C8481UF_10V1005_X5R_K

12

L29

10uH GLFR1608T100M-LR

L29

10uH GLFR1608T100M-LR

21

C731

0.1UF_10V1005_X5R_K

C731

0.1UF_10V1005_X5R_K

1 2

R855

0.01_1%0816_1/3 w

R855

0.01_1%0816_1/3 w

1 2

R845

0.01_1%0816_1/3 w

R845

0.01_1%0816_1/3 w

1 2

C7011UF_10V1005_X5R_K

C7011UF_10V1005_X5R_K

12

L33

10uH GLFR1608T100M-LRNA

L33

10uH GLFR1608T100M-LRNA21

C8011UF_10V1005_X5R_K

C8011UF_10V1005_X5R_K

12

C7261UF_10V1005_X5R_K

C7261UF_10V1005_X5R_K

12

L13

10uH GLFR1608T100M-LR

NA

L13

10uH GLFR1608T100M-LR

NA

21

C8320.1UF_10V1005_X5R_K

C8320.1UF_10V1005_X5R_K

12

L27

10uH GLFR1608T100M-LR

L27

10uH GLFR1608T100M-LR

21

C638

1UF_10V1005_X5R_KNA

C638

1UF_10V1005_X5R_KNA

1 2

C8331UF_10V1005_X5R_K

C8331UF_10V1005_X5R_K

12

C3801UF_10V1005_X5R_K

C3801UF_10V1005_X5R_K

12

R656100_5%

1005_1/16 w

R656100_5%

1005_1/16 w

12

R707

0_5% 1005_1/16 wNA

R707

0_5% 1005_1/16 wNA

1 2

C8341UF_10V1005_X5R_K

C8341UF_10V1005_X5R_K

12

+ C721

220UF_4V7343_X5R_M

+ C721

220UF_4V7343_X5R_M

12

C8541UF_10V1005_X5R_K

NA

C8541UF_10V1005_X5R_K

NA

12

C61910UF_6.3V1608_X5R_M

NA

C61910UF_6.3V1608_X5R_M

NA

12

C7564.7UF_6.3V1608_X5R_K

C7564.7UF_6.3V1608_X5R_K

12

C8551UF_10V1005_X5R_K

C8551UF_10V1005_X5R_K

12

C8531UF_10V1005_X5R_K

C8531UF_10V1005_X5R_K

12

R655100_5%

1005_1/16 w

R655100_5%

1005_1/16 w

12

D46

RB461F

D46

RB461F32

1

D17

RB461F

D17

RB461F32

1

C6200.1UF_10V1005_X5R_K

C6200.1UF_10V1005_X5R_K

12

C8210.1UF_10V1005_X5R_K

C8210.1UF_10V1005_X5R_K

12

C8601UF_10V1005_X5R_K

C8601UF_10V1005_X5R_K

12

C74922UF_6.3V2125_X5R_M

C74922UF_6.3V2125_X5R_M

12

Page 31: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-PCH_SLP_M[25,68]

-PCH_SLP_S5[25,62,68]

-PCH_SLP_S4[25,68]

-PCH_SLP_S3[25,62,64,68,78]

-PWRSWITCH[60,63,68,71]

BPWRG[11,25,62,68,70,71,91,94]

MPWRG[11,25,61,64,68,74,91]

-PLTRST_NEAR[27,55,58,61,68,69,71]

-PCH_SLP_LAN[25,68]

SUSPWRDNACK[25,68]

AC_PRESENT[25,68]

DRAMPWRG[4,25,87]

MEPWRG[25,94]

PCHPWRG[25,68]

VCC3M

VCC1R05B

VCC1R05AMT

VCC3B

VCC3LAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

31 99Monday, June 14, 2010

PCH(9/9):GNDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

31 99Monday, June 14, 2010

PCH(9/9):GNDNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

31 99Monday, June 14, 2010

PCH(9/9):GNDNOZOMI-3 SWG SDV2

C

TEST PAD FOR METS/APS

TP28TESTPAD_1P0TP28TESTPAD_1P0

1

TP23TESTPAD_1P0TP23TESTPAD_1P0

1

TP9TESTPAD_1P0TP9TESTPAD_1P0

1

TP3TESTPAD_1P0TP3TESTPAD_1P0

1

TP17TESTPAD_1P0TP17TESTPAD_1P0

1

TP11TESTPAD_1P0TP11TESTPAD_1P0

1

TP15TESTPAD_1P0TP15TESTPAD_1P0

1

TP7TESTPAD_1P0TP7TESTPAD_1P0

1

TP34TESTPAD_1P0TP34TESTPAD_1P0

1

TP33TESTPAD_1P0TP33TESTPAD_1P0

1

TP8TESTPAD_1P0TP8TESTPAD_1P0

1

U5H

COUGAR_POINT_M_R1P0

U5H

COUGAR_POINT_M_R1P0

VSS1AA17

VSS2AA2

VSS3AA3

VSS5AA34

VSS6AB11

VSS7AB14

VSS8AB39

VSS9AB4

VSS10AB43

VSS11AB5

VSS12AB7

VSS13AC19

VSS14AC2

VSS15AC21

VSS16AC24

VSS17AC33

VSS18AC34

VSS19AC48

VSS20AD10

VSS21AD11

VSS22AD12

VSS23AD13

VSS24AD19

VSS25AD24

VSS26AD26

VSS27AD27

VSS28AD33

VSS29AD34

VSS30AD36

VSS31AD37

VSS33AD39

VSS34AD4

VSS35AD40

VSS36AD42

VSS37AD43

VSS38AD45

VSS39AD46

VSS43AF10

VSS44AF12

VSS46AD16

VSS47AF16

VSS48AF19

VSS49AF24

VSS50AF26

VSS51AF27

VSS52AF29

VSS53AF31

VSS54AF38

VSS55AF4

VSS56AF42

VSS57AF46

VSS59AF7

VSS60AF8

VSS61AG19

VSS62AG2

VSS63AG31

VSS64AG48

VSS65AH11

VSS66AH3

VSS67AH36

VSS68AH39

VSS69AH40

VSS70AH42

VSS71AH46

VSS72AH7

VSS73AJ19

VSS76AJ33

VSS77AJ34

VSS78AK12

VSS79AK3

VSS80 AK38

VSS81 AK4

VSS82 AK42

VSS83 AK46

VSS84 AK8

VSS85 AL16

VSS86 AL17

VSS87 AL19

VSS88 AL2

VSS89 AL21

VSS90 AL23

VSS91 AL26

VSS92 AL27

VSS93 AL31

VSS96 AL48

VSS97 AM11

VSS98 AM14

VSS99 AM36

VSS100 AM39

VSS102 AM45

VSS103 AM46

VSS104 AM7

VSS105 AN2

VSS106 AN29

VSS107 AN3

VSS108 AN31

VSS109 AP12

VSS110 AP19

VSS111 AP28

VSS112 AP30

VSS113 AP32

VSS114 AP38

VSS116 AP42

VSS117 AP46

VSS118 AP8

VSS119 AR2

VSS120 AR48

VSS121 AT11

VSS122 AT13

VSS123 AT18

VSS124 AT22

VSS125 AT26

VSS126 AT28

VSS127 AT30

VSS128 AT32

VSS131 AT42

VSS132 AT46

VSS133 AT7

VSS134 AU24

VSS135 AU30

VSS136 AV16

VSS137 AV20

VSS138 AV24

VSS139 AV30

VSS140 AV38

VSS141 AV4

VSS142 AV43

VSS143 AV8

VSS144 AW14

VSS145 AW18

VSS146 AW2

VSS147 AW22

VSS148 AW26

VSS149 AW28

VSS150 AW32

VSS151 AW34

VSS152 AW36

VSS153 AW40

VSS154 AW48

VSS155 AV11

VSS156 AY12

VSS157 AY22

VSS158 AY28

VSS40AD8

VSS42AE3

VSS45AD14

VSS115 AP4

VSS0H5

VSS58AF5

VSS32AD38

VSS4AA33

VSS74AJ21

VSS75AJ24

VSS41AE2

VSS129 AT34

VSS130 AT39

VSS101 AM43

VSS95 AL34VSS94 AL33

TP31TESTPAD_1P0TP31TESTPAD_1P0

1

U5I

COUGAR_POINT_M_R1P0

U5I

COUGAR_POINT_M_R1P0

VSS159AY4

VSS160AY42

VSS161AY46

VSS162AY8

VSS163B11

VSS164B15

VSS165B19

VSS166B23

VSS167B27

VSS168B31

VSS169B35

VSS170B39

VSS171B7

VSS173BB12

VSS174BB16

VSS175BB20

VSS176BB22

VSS177BB24

VSS178BB28

VSS179BB30

VSS180BB38

VSS181BB4

VSS182BB46

VSS183BC14

VSS184BC18

VSS185BC2

VSS186BC22

VSS187BC26

VSS188BC32

VSS189BC34

VSS190BC36

VSS191BC40

VSS192BC42

VSS193BC48

VSS194BD46

VSS195BD5

VSS196BE22

VSS197BE26

VSS198BE40

VSS199BF10

VSS200BF12

VSS201BF16

VSS202BF20

VSS203BF22

VSS204BF24

VSS205BF26

VSS206BF28

VSS207BD3

VSS208BF30

VSS209BF38

VSS210BF40

VSS211BF8

VSS212BG17

VSS213BG21

VSS214BG33

VSS215BG44

VSS216BG8

VSS217BH11

VSS218BH15

VSS219BH17

VSS220BH19

VSS222BH27

VSS223BH31

VSS224BH33

VSS225BH35

VSS226BH39

VSS227BH43

VSS228BH7

VSS229D3

VSS230D12

VSS231D16

VSS232D18

VSS233D22

VSS234D24

VSS235D26

VSS236D30

VSS237D32

VSS264 K7

VSS265 L18

VSS266 L2

VSS267 L20

VSS268 L26

VSS269 L28

VSS270 L36

VSS271 L48

VSS272 M12

VSS273 P16

VSS274 M18

VSS275 M22

VSS276 M24

VSS277 M30

VSS278 M32

VSS279 M34

VSS280 M38

VSS281 M4

VSS282 M42

VSS283 M46

VSS284 M8

VSS285 N18

VSS286 P30

VSS288 P11

VSS289 P18

VSS290 T33

VSS291 P40

VSS292 P43

VSS293 P47

VSS294 P7

VSS295 R2

VSS296 R48

VSS297 T12

VSS298 T31

VSS299 T37

VSS300 T4

VSS301 W34

VSS302 T46

VSS303 T47

VSS304 T8

VSS305 V11

VSS306 V17

VSS307 V26

VSS308 V27

VSS309 V29

VSS310 V31

VSS311 V36

VSS312 V39

VSS313 V43

VSS314 V7

VSS315 W17

VSS316 W19

VSS238D34

VSS239D38

VSS240D42

VSS241D8

VSS242E18

VSS243E26

VSS244G18

VSS245G20

VSS246G26

VSS247G28

VSS248G36

VSS249G48

VSS250H12

VSS251H18

VSS317 W2

VSS318 W27

VSS319 W48

VSS320 Y12

VSS321 Y38

VSS322 Y4

VSS323 Y42

VSS324 Y46

VSS325 Y8

VSS328 BG29

VSS329 N24

VSS330 AJ3

VSS287 N47

VSS252H22

VSS253H24

VSS254H26

VSS255H30

VSS256H32

VSS257H34

VSS258F3

VSS262 K39

VSS263 K46

VSS259 H46

VSS260 K18

VSS261 K26

VSS331 AD47

VSS333 B43

VSS334 BE10

VSS335 BG41

VSS337 G14

VSS338 H16

VSS340 T36

VSS342 BG22

VSS343 BG24

VSS344 C22

VSS345 AP13

VSS172F45

VSS221H10

VSS346 M14

VSS347 AP3

VSS348 AP1

VSS349 BE16

VSS350 BC16

VSS351 BG28

VSS352 BJ28

TP12TESTPAD_1P0TP12TESTPAD_1P0

1

TP18TESTPAD_1P0TP18TESTPAD_1P0

1

TP13TESTPAD_1P0TP13TESTPAD_1P0

1

TP25TESTPAD_1P0TP25TESTPAD_1P0

1

TP21TESTPAD_1P0TP21TESTPAD_1P0

1

TP24TESTPAD_1P0TP24TESTPAD_1P0

1

TP14TESTPAD_1P0TP14TESTPAD_1P0

1

TP16TESTPAD_1P0TP16TESTPAD_1P0

1

TP19TESTPAD_1P0TP19TESTPAD_1P0

1

Page 32: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

TXOUT_U2PTXOUT_U2N

MIC_CLKMIC_DATA

-LEDFUEL1

KBD_LIGHT_ON

TXOUT_U1PTXOUT_U1NTXOUT_U0PTXOUT_U0N

-LED_WIRELESS-INT_MIC_DTCT

-LEDFUEL0

MIC_GND

TXOUT_L0PTXOUT_L0NSPWG_EDID_DATASPWG_EDID_CLK

-LEDSUSLID_SWITCH

USBP13+_CONN

PANEL_BKLT_CTRLBACKLIGHT_ON

USBP13-_CONN

TXCLK_UPTXCLK_UN

MIC_PWR

USBP13-

-LCD_PRESENCE

-LEDDRIVE

USBP13+

TXCLK_LPTXCLK_LN

TXOUT_L2PTXOUT_L2NTXOUT_L1PTXOUT_L1N

VCC3P_DRV

PANEL_BKLT_CTRL[36]BACKLIGHT_ON[68]

TXCLK_UP[36]TXCLK_UN[36]

TXOUT_U2P[36]TXOUT_U2N[36]

TXOUT_U1P[36]TXOUT_U1N[36]TXOUT_U0P[36]TXOUT_U0N[36]

TXCLK_LP[36]TXCLK_LN[36]

TXOUT_L2P[36]TXOUT_L2N[36]TXOUT_L1P[36]TXOUT_L1N[36]

TXOUT_L0P[36]TXOUT_L0N[36]

SPWG_EDID_CLK[36]

-LCD_PRESENCE[27]

LID_SWITCH[62]-LEDSUS[68]-LEDFUEL0[68]-LEDFUEL1[68]-LEDDRIVE[68]MIC_CLK[43]

KBD_LIGHT_ON[62]

USBP13+ [27]USBP13- [27]

MIC_PWR [43]

-LED_WIRELESS [54]

MIC_GND [43]-INT_MIC_DTCT [28]

SPWG_EDID_DATA[36]

MIC_DATA[43]

VCC3P_DRV[91]

LED_BDC_IN [64]BDC_ON [54,61,64]

VCC3P VCC3B

VCC3P

VBL20

VBL20VINT20

VCC3B

VCC5MVCC3M

VCC3MVCC3P

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

32 99Monday, June 14, 2010

LCD CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

32 99Monday, June 14, 2010

LCD CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

32 99Monday, June 14, 2010

LCD CONNECTORNOZOMI-3 SWG SDV2

WIDEPATTERN(10MIL)

LCD CONNECTOR

1.2A

0.9A

ECR026

NZM3_SWG_SDV2_EC018

NZM3_SWG_SDV2_EC086

C

F19ERBSD0R50UF19ERBSD0R50U

21

C9291000PF_50V

1005_X7R_ K

NA

C9291000PF_50V

1005_X7R_ K

NA

12

C6030.068UF_25V1608_X5R_K

C6030.068UF_25V1608_X5R_K

12

J11

JST_BM20B_SRDS_A_G_TFC_LF_SN

J11

JST_BM20B_SRDS_A_G_TFC_LF_SN

20 2018 1816 1614 1412 1210 108 8

6 64 42 2

1919 171715151313 111199 775533 11

GND121 GND2 22

NC123 NC2 24

C92

8 1000

PF

_50V

1005_X7R_ K

C92

8 1000

PF

_50V

1005_X7R_ K

12

C92

7 1000

PF

_50V

1005_X7R_ K

C92

7 1000

PF

_50V

1005_X7R_ K

12

R987 0_5% 1005_1/16 w NAR987 0_5% 1005_1/16 w NA1 2

F7

ERBSD3R00U

F7

ERBSD3R00U

1 2

C3131UF_25V1608_X5R_K

C3131UF_25V1608_X5R_K

12

C93

4 1000

PF

_50V

1005_X7R_ K

NAC93

4 1000

PF

_50V

1005_X7R_ K

NA

12

R36147_5%1005_1/16 w

R36147_5%1005_1/16 w

12

R66847K_5%1005_1/16 w

NA

R66847K_5%1005_1/16 w

NA

12

J10

2023308_3_40

J10

2023308_3_40

112233 4455 667788 991010 111112121313 14141515 161617171818 19192020 212122222323 24242525 262627272828 29293030 313132323333 34343535 363637373838 39394040

GND1 41

GND2 42

GND3 43

GND4 44

GND5 45

GND6 46

NC1 47

NC2 48

R786 0_5% 1005_1/16 wR786 0_5% 1005_1/16 w1 2

C17

3 1000

PF

_50V

1005_X7R_ K

C17

3 1000

PF

_50V

1005_X7R_ K

12

C1300.01UF_25V

1005_X7R_K

C1300.01UF_25V

1005_X7R_K

12

F14

ERBSD0R50U

F14

ERBSD0R50U

21

R71447K_5%

1005_1/16 w

R71447K_5%

1005_1/16 w

12

R992 0_5% 1005_1/16 wR992 0_5% 1005_1/16 w1 2

R785 0_5% 1005_1/16 wR785 0_5% 1005_1/16 w1 2

Q5DTC114EEQ5DTC114EE

3

2

1

C7240.01UF_25V

1005_X7R_K

C7240.01UF_25V

1005_X7R_K

12

C3151UF_10V

1005_X5R_K

C3151UF_10V

1005_X5R_K

12

F16ERBSD0R50UF16ERBSD0R50U

21

C3070.01UF_25V

1005_X7R_K

C3070.01UF_25V

1005_X7R_K

12

C3110.1UF_10V

1005_X5R_K

C3110.1UF_10V

1005_X5R_K

12

R174100_5%

2125_1/8 w

R174100_5%

2125_1/8 w

12

D

S

Q22TPCF8002

D

S

Q22TPCF8002

4

87

36

21

5

F3

ERBSD3R00U

F3

ERBSD3R00U

1 2

C3080.01UF_25V

1005_X7R_K

C3080.01UF_25V

1005_X7R_K

12

C92

6 1000

PF

_50V

1005_X7R_ K

C92

6 1000

PF

_50V

1005_X7R_ K

12

F8ERBSD0R50UF8ERBSD0R50U

21

D63RB521S_30D63RB521S_30

12

C3100.1UF_25V1608_X7R_K

C3100.1UF_25V1608_X7R_K

12

Page 33: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

RED

BLUE

SWITCH_REDCRT_RED

CRT_GREENSWITCH_GREEN

CRT_BLUESWITCH_BLUE

-DOCK_ATTACHED_3B

SWITCH_RED

SWITCH_GREEN

SWITCH_BLUE

CRT_GREEN_DOCK

CRT_RED_DOCK

CRT_BLUE_DOCK

GREEN

CRT_RED_DOCK [60]

CRT_RED [34]

CRT_GREEN [34]

CRT_BLUE [34]

-DOCK_ATTACHED_3B[60]

CRT_GREEN_DOCK [60]

CRT_BLUE_DOCK [60]

OPTIMUS_ENABLE [27,34,36,37]

RED_D[16]RED_I[26]

GREEN_D[16]GREEN_I[26]

BLUE_D[16]BLUE_I[26]

VCC3BVCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

33 99Monday, June 14, 2010

RGB SWITCHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

33 99Monday, June 14, 2010

RGB SWITCHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

33 99Monday, June 14, 2010

RGB SWITCHNOZOMI-3 SWG SDV2

ECR027

NZM3_SWG_SDV2_EC013

C

NZM3_SWG_SDV2_EC096

C6560.01UF_25V

1005_X7R_K

C6560.01UF_25V

1005_X7R_K

12

C6641UF_10V

1005_X5R_K

C6641UF_10V

1005_X5R_K

12

C8981UF_10V

1005_X5R_K

C8981UF_10V

1005_X5R_K

12

U50

NC7SB3157

U50

NC7SB3157

VD

D5

GN

D2

B0 3

B1 1

S 6

A4

RJ71 SHORT1005_4milRJ71 SHORT1005_4mil21

R807150_1%

1005_1/16 w

R807150_1%

1005_1/16 w

12

U55

NC7SB3157

U55

NC7SB3157

VD

D5

GN

D2

B03

B11

S6

A 4

RJ70 SHORT1005_4milRJ70 SHORT1005_4mil21

U14

NC7SB3157

U14

NC7SB3157

VD

D5

GN

D2

B0 3

B1 1

S 6

A4

C4738PF_50V1005_NPO_+/-0.25PF

NA

C4738PF_50V1005_NPO_+/-0.25PF

NA

12

C4728PF_50V1005_NPO_+/-0.25PF

NA

C4728PF_50V1005_NPO_+/-0.25PF

NA

12

C64833PF_50V1005_NPO_ JNA

C64833PF_50V1005_NPO_ JNA

12

C8961UF_10V

1005_X5R_K

C8961UF_10V

1005_X5R_K

12

C4718PF_50V1005_NPO_+/-0.25PF

NA

C4718PF_50V1005_NPO_+/-0.25PF

NA

12

U40

NC7SB3157

U40

NC7SB3157

VD

D5

GN

D2

B0 3

B1 1

S 6

A4

U15

NC7SB3157

U15

NC7SB3157

VD

D5

GN

D2

B03

B11

S6

A 4

R434150_1%

1005_1/16 w

R434150_1%

1005_1/16 w

12

C65133PF_50V1005_NPO_ JNA

C65133PF_50V1005_NPO_ JNA

12

R500150_1%

1005_1/16 w

R500150_1%

1005_1/16 w

12

U45

NC7SB3157

U45

NC7SB3157

VD

D5

GN

D2

B03

B11

S6

A 4

C65333PF_50V1005_NPO_ JNA

C65333PF_50V1005_NPO_ JNA

12

RJ69 SHORT1005_4milRJ69 SHORT1005_4mil21

Page 34: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

CRT_RED

CRT_GREEN

CRT_BLUECRT_RED_CONNCRT_GREEN_CONNCRT_BLUE_CONN

DDCCLK_CONN

CRT_VSYNC_CONN

CRT_HSYNC_CONN

CRT_VSYNC_DOCK

CRT_HSYNC_DOCK

DDCCLK_CONNDDCCLK

DDCDATA_CONNDDCDATA

CRT_VSYNC

CRT_HSYNC

OPTIMUS_ENABLE

OPTIMUS_ENABLE

DDCDATA_CONN

CRT_RED[33]

CRT_GREEN[33]

CRT_BLUE[33]

VSYNC_D[16]

HSYNC_D[16]

CRT_VSYNC_DOCK [60]

CRT_HSYNC_DOCK [60]

DDCCLK_CONN [60]

DDCDATA_CONN [60]

VSYNC_I[26]

HSYNC_I[26]

OPTIMUS_ENABLE[27,33,36,37]

DDCCLK_D[18]

DDCDATA_D[18]

DDCDATA_I[26]

DDCCLK_I[26]

VCC5B

VCCCRT

VCCCRT

VCCCRTVCC5B

VCC3B

VCCCRT

VCC5B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

34 99Monday, June 14, 2010

EXT CRT I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

34 99Monday, June 14, 2010

EXT CRT I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

34 99Monday, June 14, 2010

EXT CRT I/FNOZOMI-3 SWG SDV2

CRT CONN

NEAR CRT CONN

NZM3_SWG_SDV2_EC014

NZM3_SWG_SDV2_EC014

NZM3_SWG_SDV2_EC014

SWG_SDV2_EC037

NZM3_SWG_SDV2_EC054

NZM3_SWG_SDV2_EC054

NZM3_SWG_SDV2_EC054

C

U38

TC7WT125FU

U38

TC7WT125FU

62

1

84

5

7

3 R92 27_5% 1005_1/16 wR92 27_5% 1005_1/16 w1 2

U11

CBT3257ABQ

U11

CBT3257ABQ

GND217

YD 12

10B5

10C11

11B611A3

11C10

11D13

VC

C16

YA 4

GN

D1

8

E 15

YB 7

YC 9

S 1

10D14

10A2

C50

68P

F_5

0V

1005

_NP

O_+

/-0.

25P

F

C50

68P

F_5

0V

1005

_NP

O_+

/-0.

25P

F

12

D218DF2S6_8UFSD218DF2S6_8UFS

12

J31

FOXCONN DZ11A91_NB216_7H

J31

FOXCONN DZ11A91_NB216_7H

1514131211109

87654321

1819

1617

C4741UF_10V

1005_X5R_K

C4741UF_10V

1005_X5R_K

12

L19

BLM15BB220SN122 OHM

L19

BLM15BB220SN122 OHM

12

L24

BLM15BB220SN1 22 OHM

L24

BLM15BB220SN1 22 OHM12

C4700.01UF_25V

1005_X7R_K

C4700.01UF_25V

1005_X7R_K

12

D221DF2S6_8UFSD221DF2S6_8UFS

12

L42 BLM15BB220SN122 OHM

L42 BLM15BB220SN122 OHM

1 2

L41BLM15BB220SN1

22 OHM

L41BLM15BB220SN1

22 OHM1 2

C5220.1UF_10V

1005_X5R_K

C5220.1UF_10V

1005_X5R_K

12

Q48

2SK3541

Q48

2SK3541

32

1

R7714.7K_5%

1005_1/16 wNA

R7714.7K_5%

1005_1/16 wNA

12

R3724.7K_5%

1005_1/16 w

R3724.7K_5%

1005_1/16 w

12

C54233PF_50V1005_NPO_ J

NA

C54233PF_50V1005_NPO_ J

NA

12R55

150_1%1005_1/16 w

R55150_1%

1005_1/16 w

12

C512100PF_50V1005_NPO_ JNA

C512100PF_50V1005_NPO_ JNA

12

R61150_1%

1005_1/16 w

R61150_1%

1005_1/16 w

12

C43333PF_50V1005_NPO_ J

NA

C43333PF_50V1005_NPO_ J

NA

12

R3704.7K_5%

1005_1/16 w

R3704.7K_5%

1005_1/16 w

12

D219DF2S6_8UFSD219DF2S6_8UFS

12

C48

78P

F_5

0V

1005

_NP

O_+

/-0.

25P

F

C48

78P

F_5

0V

1005

_NP

O_+

/-0.

25P

F

12

D222DF2S6_8UFSD222DF2S6_8UFS

12

U56

TC7WT126FU

U56

TC7WT126FU

62

1

84

5

7

3

C527100PF_50V1005_NPO_ JNA

C527100PF_50V1005_NPO_ JNA

12

C12931UF_10V

1005_X5R_K

C12931UF_10V

1005_X5R_K

12

L15

BLM15BB220SN1 22 OHM

L15

BLM15BB220SN1 22 OHM12

R72150_1%

1005_1/16 w

R72150_1%

1005_1/16 w

12

F22NANOSMDC150FF22NANOSMDC150F

21

C528100PF_50V1005_NPO_ JNA

C528100PF_50V1005_NPO_ JNA

12

D217DF2S6_8UFSD217DF2S6_8UFS

12

C46933PF_50V1005_NPO_ J

NA

C46933PF_50V1005_NPO_ J

NA

12

Q47

2SK3541

Q47

2SK3541

32

1

D35

RB461F

D35

RB461F

32

1

R7724.7K_5%

1005_1/16 wNA

R7724.7K_5%

1005_1/16 wNA

12

C5210.1UF_10V1005_X5R_K

C5210.1UF_10V1005_X5R_K

12

C49

98P

F_5

0V

1005

_NP

O_+

/-0.

25P

F

C49

98P

F_5

0V

1005

_NP

O_+

/-0.

25P

F

12 D223

DF2S6_8UFSD223DF2S6_8UFS

12

R154 27_5% 1005_1/16 wR154 27_5% 1005_1/16 w1 2

D220DF2S6_8UFSD220DF2S6_8UFS

12

C516100PF_50V1005_NPO_ JNA

C516100PF_50V1005_NPO_ JNA

12

Page 35: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DVI_DONGLE_DTCT

USBP8-USBP8+ USBP8+_CONN

USBP8-_CONN

VCC3B_DRV

DVI_DONGLE_DTCT

DP_AUXP_CONN

DP0PDP0N

DP1PDP1N

DP2PDP2N

DP3NDP3P

DP0NDP0P

DP1NDP1P

DP2NDP2P

DP3NDP3P

DP_AUXN_CONN

USBP8-[27]USBP8+[27]

VCC3B_DRV[91,95]

IFPC_DPAUXP[16]IFPC_DPAUXN[16]

SDP_HPD[28]

IFPC_DPHPD[18]

IFPC_DP3P[16]IFPC_DP3N[16]

IFPC_DP2P[16]IFPC_DP2N[16]

IFPC_DP1P[16]IFPC_DP1N[16]

IFPC_DP0P[16]IFPC_DP0N[16]

VCC5B

USB_PWR_S2

VCC3B

VCC3B

VCC3VIDEO_DP

VCC3VIDEO_DP

VCC3VIDEO

Title :

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2.10

35 99Monday, June 14, 2010

DISPLAY PORT CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

35 99Monday, June 14, 2010

DISPLAY PORT CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

35 99Monday, June 14, 2010

DISPLAY PORT CONNNOZOMI-3 SWG SDV2

FOR SYSTEM DP NEAR DP CONN

NEAR DP CONNNEAR DP CONN

DP CONN

Typ. 500mAMax 3A

NZM3_SWG_SDV2_EC015

NZM3_SWG_SDV2_EC015

NZM3_SWG_SDV2_EC047NZM3_SWG_SDV2_EC047

NZM3_SWG_SDV2_EC047

NZM3_SWG_SDV2_EC054

NZM3_SWG_SDV2_EC064

NZM3_SWG_SDV2_EC071

NZM3_SWG_SDV2_EC071

NZM3_SWG_SDV2_EC071

C

NZM3_SWG_SDV2_EC097

U6

TC7WB126FK

U6

TC7WB126FK

A12

A25

B16

B23

VCC8

OE1 1

OE2 7

GND 4

C317 0.1UF_10V 1005_X5R_KC317 0.1UF_10V 1005_X5R_K12

C468 0.1UF_10V 1005_X5R_KC468 0.1UF_10V 1005_X5R_K1 2

C3510.1UF_10V

1005_X5R_K

C3510.1UF_10V

1005_X5R_K

12

C323 0.1UF_10V 1005_X5R_KC323 0.1UF_10V 1005_X5R_K12

R1027100K_5%1005_1/16 w

R1027100K_5%1005_1/16 w

12

D224DF2S6_8UFSD224DF2S6_8UFS

12R98

100K_5%1005_1/16 w

R98100K_5%1005_1/16 w

12

R971M_5%

1005_1/16 w

R971M_5%

1005_1/16 w

12

Q262SK3541Q262SK3541

32

1

C339 0.1UF_10V 1005_X5R_KC339 0.1UF_10V 1005_X5R_K12

R20470K_5%1005_1/16 w

NA

R20470K_5%1005_1/16 w

NA

12

C3640.1UF_10V

1005_X5R_K

C3640.1UF_10V

1005_X5R_K

12

D95RCLAMP0522PNA

D95RCLAMP0522PNA

1

2

65

4 3

D88RCLAMP0524P

NA

D88RCLAMP0524P

NA

4 76

910

5

21

83

RNJ1BSHORT1616_4MILRNJ1BSHORT1616_4MIL

34

F18

NANOSMDC150F

F18

NANOSMDC150F

21

R1030100K_5%1005_1/16 wNA

R1030100K_5%1005_1/16 wNA1

2

C11330.01UF_25V1005_X7R_K

C11330.01UF_25V1005_X7R_K

12

D225DF2S6_8UFSD225DF2S6_8UFS

12

+ C395

150UF_6.3V7343_X5R_M

+ C395

150UF_6.3V7343_X5R_M

12

C226 0.1UF_10V 1005_X5R_KC226 0.1UF_10V 1005_X5R_K12

D

S

Q88TPCF8002

D

S

Q88TPCF8002

4

87

36

21

5

R1028100K_5%1005_1/16 w

R1028100K_5%1005_1/16 w

12

R1037100K_5%1005_1/16 w

R1037100K_5%1005_1/16 w

12

C11134.7UF_6.3V1608_X5R_K

C11134.7UF_6.3V1608_X5R_K

12

C670.01UF_25V1005_X7R_K

NA

C670.01UF_25V1005_X7R_K

NA

12

C312 0.1UF_10V 1005_X5R_KC312 0.1UF_10V 1005_X5R_K12

J6A

TYCO 2023428_1

J6A

TYCO 2023428_1

SHIELD4 24SHIELD3 23SHIELD2 22SHIELD1 21

GND1 2GND2 5GND3 8GND4 11MODE 13GND5 14GND6 16PWER_RET 19PWR 20

LANE_0N3LANE_0P1

LANE_1N6 LANE_1P4

LANE_2N9 LANE_2P7

LANE_3N12LANE_3P10

AUXN17AUXP15

HPD18

C218 0.1UF_10V 1005_X5R_KC218 0.1UF_10V 1005_X5R_K12

C4960.1UF_10V1005_X5R_K

C4960.1UF_10V1005_X5R_K

12

C11120.1UF_10V1005_X5R_K

C11120.1UF_10V1005_X5R_K

12

D5SRV05_4

NA

D5SRV05_4

NA

52

461 3

C276 0.1UF_10V 1005_X5R_KC276 0.1UF_10V 1005_X5R_K12

D226DF2S6_8UFSD226DF2S6_8UFS

12

J6B

TYCO 2023428_1

J6B

TYCO 2023428_1

36 3635 35

34343333 32323131

C714100UF_6.3V3216_X5R_M

NA

C714100UF_6.3V3216_X5R_M

NA

12

R94100K_5%1005_1/16 w

R94100K_5%1005_1/16 w

12

C277 0.1UF_10V 1005_X5R_KC277 0.1UF_10V 1005_X5R_K12

R10291M_5%1005_1/16 w

R10291M_5%1005_1/16 w

12

R935.1M_5%

1005_1/16 w

R935.1M_5%

1005_1/16 w

12

RNJ1ASHORT1616_4MILRNJ1ASHORT1616_4MIL

12

D86RCLAMP0524P

NA

D86RCLAMP0524P

NA

4 76

910

5

21

83

C659 0.1UF_10V 1005_X5R_KC659 0.1UF_10V 1005_X5R_K1 2

C13

9

0.1U

F_2

5V16

08_X

7R_K

C13

9

0.1U

F_2

5V16

08_X

7R_K

12

Page 36: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

OPTIMUS_ENABLEOPTIMUS_ENABLE

SPWG_EDID_CLK_D[18]

SPWG_EDID_DATA_D[18]

SPWG_EDID_CLK_I[26]

SPWG_EDID_DATA_I[26]

SPWG_EDID_CLK [32]

SPWG_EDID_DATA [32]

PANEL_POWER_ON_D[18] PANEL_POWER_ON [91]

PANEL_BKLT_CTRL_I[26]

VGA_BLON_I[26]

VGA_BLON_D[18]

PANEL_BKLT_CTRL_D[18]

PANEL_POWER_ON_I[26]

VGA_BLON [68]

PANEL_BKLT_CTRL [32]

TXCLK_LP_I[26]TXCLK_LN_I[26]

TXOUT_L2P_I[26]TXOUT_L2N_I[26]

TXOUT_L1P_I[26]TXOUT_L1N_I[26]

TXOUT_L0P_I[26]TXOUT_L0N_I[26]

TXCLK_LP_D[16]TXCLK_LN_D[16]

TXOUT_L2P_D[16]TXOUT_L2N_D[16]

TXOUT_L1P_D[16]TXOUT_L1N_D[16]

TXOUT_L0P_D[16]TXOUT_L0N_D[16]

OPTIMUS_ENABLE[27,33,34,37]

TXCLK_LN [32]TXCLK_LP [32]TXOUT_L2N [32]TXOUT_L2P [32]

TXOUT_L1P [32]TXOUT_L1N [32]

TXOUT_L0P [32]TXOUT_L0N [32]

TXOUT_U2P [32]

TXCLK_UP [32]TXOUT_U2N [32]

TXOUT_U1P [32]TXOUT_U1N [32]

TXCLK_UP_D[16]TXCLK_UN_D[16]

TXOUT_U2P_D[16]TXOUT_U2N_D[16]

TXOUT_U1P_D[16]TXOUT_U1N_D[16]

TXOUT_U0P_D[16]TXOUT_U0N_D[16]

TXOUT_U0P [32]TXOUT_U0N [32]

TXCLK_UP_I[26]TXCLK_UN_I[26]

TXOUT_U2P_I[26]TXOUT_U2N_I[26]

TXOUT_U1P_I[26]TXOUT_U1N_I[26]

TXOUT_U0P_I[26]TXOUT_U0N_I[26]

TXCLK_UN [32]

VCC5B VCC5B

VCC1R8B

VCC1R8B VCC1R8B

Title :

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Date: Sheet : of

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2.10

36 99Monday, June 14, 2010

LVDS SWITCHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

36 99Monday, June 14, 2010

LVDS SWITCHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

36 99Monday, June 14, 2010

LVDS SWITCHNOZOMI-3 SWG SDV2

NZM3_SWG_SDV2_EC016

NZM3_SWG_SDV2_EC016

NZM3_SWG_SDV2_EC069

C

C211000PF_50V1005_X7R_ K

C211000PF_50V1005_X7R_ K

12

C4410.1UF_10V1005_X5R_K

C4410.1UF_10V1005_X5R_K

12

C1711000PF_50V1005_X7R_ K

C1711000PF_50V1005_X7R_ K

12

U9

CBT3257ABQ

U9

CBT3257ABQ

GND217

YD 12

10B5

10C11

11B611A3

11C10

11D13

VC

C16

YA 4

GN

D1

8

E 15

YB 7

YC 9

S 1

10D14

10A2

C7370.1UF_10V1005_X5R_K

C7370.1UF_10V1005_X5R_K

12

C2041000PF_50V1005_X7R_ K

C2041000PF_50V1005_X7R_ K

12

C4430.1UF_10V1005_X5R_K

C4430.1UF_10V1005_X5R_K

12

C7360.1UF_10V1005_X5R_K

C7360.1UF_10V1005_X5R_K

12

U86

PI3HDMI412FT_BZHE

U86

PI3HDMI412FT_BZHE

D0+A38

D0-A37

D1+A36

D1-A35

D2+A34

D2-A33

D3+A32

D3-A31

VDD0 2

VSS2 10

VSS3 13

VSS4 17

VSS5 19

VSS6 21

VSS7 39

D0+B29

D0-B28

D1+B27

D1-B26

D2+B25

D2-B24

D3+B23

D3-B22

VDD1 8

VDD2 16

VDD3 18

VDD4 20

VDD5 30

VDD6 40

VDD7 42

D0+ 3

D0- 4

D1+ 6

D1- 7

D2+ 11

D2- 12

D3+ 14

D3- 15

VSS8 41

VSS1 5VSS0 1

GNDPAD 43

SEL9

C181000PF_50V1005_X7R_ K

C181000PF_50V1005_X7R_ K

12

C7410.1UF_10V1005_X5R_K

C7410.1UF_10V1005_X5R_K

12

U10

CBT3257ABQ

U10

CBT3257ABQ

GND217

YD 12

10B5

10C11

11B611A3

11C10

11D13

VC

C16

YA 4

GN

D1

8

E 15

YB 7

YC 9

S 1

10D14

10A2

U87

PI3HDMI412FT_BZHE

U87

PI3HDMI412FT_BZHE

D0+A38

D0-A37

D1+A36

D1-A35

D2+A34

D2-A33

D3+A32

D3-A31

VDD0 2

VSS2 10

VSS3 13

VSS4 17

VSS5 19

VSS6 21

VSS7 39

D0+B29

D0-B28

D1+B27

D1-B26

D2+B25

D2-B24

D3+B23

D3-B22

VDD1 8

VDD2 16

VDD3 18

VDD4 20

VDD5 30

VDD6 40

VDD7 42

D0+ 3

D0- 4

D1+ 6

D1- 7

D2+ 11

D2- 12

D3+ 14

D3- 15

VSS8 41

VSS1 5VSS0 1

GNDPAD 43

SEL9

C7350.1UF_10V1005_X5R_K

C7350.1UF_10V1005_X5R_K

12

R31810K_5%1005_1/16 w

R31810K_5%1005_1/16 w

12

Q116DTC115EEQ116DTC115EE

13

2

Page 37: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DOCKA_DP_CLKDOCKA_DP_DATA

DOCKA_DVI_DONGLE_DTCT

DOCKA_IFPD_DPAUXPDOCKA_IFPD_DPAUXN

DOCKB_IFPE_DPAUXPDOCKB_IFPE_DPAUXN

DOCKB_DVI_DONGLE_DTCT

DOCKB_DP_DATADOCKB_DP_CLK

OPTIMUS_ENABLE

DOCKB_HPD [60]

DOCKA_DP_CLK [60]DOCKA_DP_DATA [60]

DOCKA_IFPD_DPAUXP[16]DOCKA_IFPD_DPAUXN[16]

DOCKA_DVI_DONGLE_DTCT [60]

DOCKB_DP_CLK [60]DOCKB_DP_DATA [60]

DOCKB_IFPE_DPAUXN[16]DOCKB_IFPE_DPAUXP[16]

DOCKB_DVI_DONGLE_DTCT [60]

DOCKA_HPD [60]IFPD_DPHPD[18] IFPE_DPHPD[18]

DOCKA_DP3N [60]DOCKA_DP3P [60]

DOCKA_DP2N [60]DOCKA_DP2P [60]

DOCKA_DP1N [60]DOCKA_DP1P [60]

DOCKA_DP0N [60]DOCKA_DP0P [60]

IFPD_DP3N[16]IFPD_DP3P[16]

IFPD_DP2N[16]IFPD_DP2P[16]

IFPD_DP1N[16]IFPD_DP1P[16]

IFPD_DP0N[16]IFPD_DP0P[16]

DOCKB_DP0N [60]DOCKB_DP0P [60]

DOCKB_DP3N [60]DOCKB_DP3P [60]

DOCKB_DP2N [60]DOCKB_DP2P [60]

IFPE_DP3N[16]IFPE_DP3P[16]

IFPE_DP2N[16]IFPE_DP2P[16]

IFPE_DP1N[16]IFPE_DP1P[16]

IFPE_DP0N[16]IFPE_DP0P[16]

DOCKB_DP1N [60]DOCKB_DP1P [60]

OPTIMUS_ENABLE[27,33,34,36]

DOCKA_AUXP [60]DOCKA_AUXN [60]

DOCKB_AUXP [60]DOCKB_AUXN [60]

VCC5BVCC5B

VCC3VIDEO VCC3VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

37 99Monday, June 14, 2010

DISPLAY PORT MUXNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

37 99Monday, June 14, 2010

DISPLAY PORT MUXNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

37 99Monday, June 14, 2010

DISPLAY PORT MUXNOZOMI-3 SWG SDV2

NEAR DOCK CONN NEAR DOCK CONN

NZM3_SWG_SDV2_EC017

NZM3_SWG_SDV2_EC017

NZM3_SWG_SDV2_EC063 NZM3_SWG_SDV2_EC063

C

R314100K_5%1005_1/16 w

R314100K_5%1005_1/16 w

12

C13220.1UF_10V1005_X5R_KNA

C13220.1UF_10V1005_X5R_KNA

12

U24

CBT3257ABQ

U24

CBT3257ABQ

GND2 17

YD12

10B 5

10C 11

11B 611A 3

11C 10

11D 13

VC

C16

YA4

GN

D1

8

E15

YB7

YC9

S1

10D 14

10A 2

R1031100K_5%1005_1/16 w

R1031100K_5%1005_1/16 w

12

C932 0.1UF_10V 1005_X5R_KC932 0.1UF_10V 1005_X5R_K12

C841 0.1UF_10V 1005_X5R_KC841 0.1UF_10V 1005_X5R_K12

C919 0.1UF_10V 1005_X5R_KC919 0.1UF_10V 1005_X5R_K12

C887 0.1UF_10V 1005_X5R_KC887 0.1UF_10V 1005_X5R_K12

C923 0.1UF_10V 1005_X5R_KC923 0.1UF_10V 1005_X5R_K12

R2051M_5%

1005_1/16 w

R2051M_5%

1005_1/16 w

12

C902 0.1UF_10V 1005_X5R_KC902 0.1UF_10V 1005_X5R_K12

R317100K_5%

1005_1/16 w

R317100K_5%

1005_1/16 w

12

C930 0.1UF_10V 1005_X5R_KC930 0.1UF_10V 1005_X5R_K12

C843 0.1UF_10V 1005_X5R_KC843 0.1UF_10V 1005_X5R_K12

C903 0.1UF_10V 1005_X5R_KC903 0.1UF_10V 1005_X5R_K12

R316100K_5%1005_1/16 w

R316100K_5%1005_1/16 w

12

C13210.1UF_10V1005_X5R_KNA

C13210.1UF_10V1005_X5R_KNA

12

R10341M_5%1005_1/16 w

R10341M_5%1005_1/16 w

12

C883 0.1UF_10V 1005_X5R_KC883 0.1UF_10V 1005_X5R_K12

C904 0.1UF_10V 1005_X5R_KC904 0.1UF_10V 1005_X5R_K12

R1033100K_5%1005_1/16 w

R1033100K_5%1005_1/16 w

12

R10321M_5%1005_1/16 w

R10321M_5%1005_1/16 w

12

C906 0.1UF_10V 1005_X5R_KC906 0.1UF_10V 1005_X5R_K12

Q762SK3541Q762SK3541

32

1

U26

CBT3257ABQ

U26

CBT3257ABQ

GND2 17

YD12

10B 5

10C 11

11B 611A 3

11C 10

11D 13

VC

C16

YA4

GN

D1

8

E15

YB7

YC9

S1

10D 14

10A 2

C920 0.1UF_10V 1005_X5R_KC920 0.1UF_10V 1005_X5R_K12

R313100K_5%1005_1/16 w

R313100K_5%1005_1/16 w

12

C907 0.1UF_10V 1005_X5R_KC907 0.1UF_10V 1005_X5R_K12

Q752SK3541Q752SK3541

32

1

C909 0.1UF_10V 1005_X5R_KC909 0.1UF_10V 1005_X5R_K12

C900 0.1UF_10V 1005_X5R_KC900 0.1UF_10V 1005_X5R_K12C922 0.1UF_10V 1005_X5R_KC922 0.1UF_10V 1005_X5R_K12

R821M_5%

1005_1/16 w

R821M_5%

1005_1/16 w

12

C931 0.1UF_10V 1005_X5R_KC931 0.1UF_10V 1005_X5R_K12

C918 0.1UF_10V 1005_X5R_KC918 0.1UF_10V 1005_X5R_K12

C901 0.1UF_10V 1005_X5R_KC901 0.1UF_10V 1005_X5R_K12

Page 38: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-SRTCRST

-RTCRST-RTCRST [23]

-SRTCRST [23]

VCC3SW RTCVCC

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

38 99Monday, June 14, 2010

RTC BATTERYNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

38 99Monday, June 14, 2010

RTC BATTERYNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

38 99Monday, June 14, 2010

RTC BATTERYNOZOMI-3 SWG SDV2

C

D6

RB520S_30

D6

RB520S_30

21

D3

RB520S_30

D3

RB520S_30

2 1

R41K_5%

1005_1/16 w

R41K_5%

1005_1/16 w

12

J12

TYCO 1775363_2

J12

TYCO 1775363_2

1 1

2 2

C2851UF_10V

1005_X5R_K

C2851UF_10V

1005_X5R_K

12

R620

20K_5% 1005_1/16 w

R620

20K_5% 1005_1/16 w1 2

C2871UF_10V

1005_X5R_K

C2871UF_10V

1005_X5R_K

12

C4591UF_10V

1005_X5R_K

C4591UF_10V

1005_X5R_K

12

R250

20K_5% 1005_1/16 w

R250

20K_5% 1005_1/16 w1 2

Page 39: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SATA0_TXPSATA0_TXN

SATA0_RXNSATA0_RXP

-HDD_DTCT

SATA0_RXN[23]

SATA0_TXP[23]SATA0_TXN[23]

SATA0_RXP[23]

-HDD_DTCT[68]

VCC5B VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

39 99Monday, June 14, 2010

SATA HDD CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

39 99Monday, June 14, 2010

SATA HDD CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

39 99Monday, June 14, 2010

SATA HDD CONNNOZOMI-3 SWG SDV2

C

R9470.01_1%

0816_1/3 w

R9470.01_1%

0816_1/3 w

12

C5210UF_6.3V

1608_X5R_M

C5210UF_6.3V

1608_X5R_M

12

C450.01UF_25V

1005_X7R_K

NA

C450.01UF_25V

1005_X7R_K

NA

12

J1

TYCO 1735808_1

J1

TYCO 1735808_1

S2S2

S5S5

S6S6

P1P1

P2P2

P3P3

P4P4

P5P5

P6P6

P7P7

P8P8

P9P9

P10P10

P11P11

P12P12

P13P13

P14P14

P15P15

S4S4 S3S3

S7S7

FGND2 G2FGND1 G1

S1S1

R9480.01_1%

0816_1/3 w

R9480.01_1%

0816_1/3 w

12

C9210UF_10V2125_X5R_K

C9210UF_10V2125_X5R_K

12

C530.01UF_25V

1005_X7R_K

NA

C530.01UF_25V

1005_X7R_K

NA

12

Page 40: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SATA1_TXPSATA1_TXN

SATA1_RXNSATA1_RXP

-BAY_MEDIA_EJECT

-BAY_ATTACH-BAY_ATTACH [61]

SATA1_TXN[23]

SATA1_RXP[23]SATA1_RXN[23]

SATA1_TXP[23]

-BAY_MEDIA_EJECT[62]

VCC5MUBAY

VCC5MUBAY

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

40 99Monday, June 14, 2010

SATA BAY I/F CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

40 99Monday, June 14, 2010

SATA BAY I/F CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

40 99Monday, June 14, 2010

SATA BAY I/F CONNNOZOMI-3 SWG SDV2

C

C550.01UF_25V1005_X7R_K

C550.01UF_25V1005_X7R_K

12

J2

FOXCONN LN27136-C00Q-9H

J2

FOXCONN LN27136-C00Q-9H

S1S1

S2S2

S3S3

S4S4

S5S5

S6S6

S7S7

P1P1

P2P2

P3P3

P4P4

P5P5

P6P6

G1G1

G2G2G3 G3

G4 G4

R93610K_5%1005_1/16 w

R93610K_5%1005_1/16 w

12

C590.01UF_25V1005_X7R_K

C590.01UF_25V1005_X7R_K

12

C23410UF_10V2125_X5R_K

C23410UF_10V2125_X5R_K

12

Page 41: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SATA5_RXN_CONN_CSATA5_RXP_CONN_C

SATA5_TXPSATA5_TXN

SATA5_RXNSATA5_RXP

SATA5_TXN_CONN_CSATA5_TXP_CONN_C

SATA5_RXP_CONNSATA5_RXN_CONN

SATA5_TXN_CONNSATA5_TXP_CONN

SATA5_RXN[23]

SATA5_TXP[23]SATA5_TXN[23]

SATA5_RXP[23]

VCC3B

VCC3B

VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

41 99Monday, June 14, 2010

ESATA CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

41 99Monday, June 14, 2010

ESATA CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

41 99Monday, June 14, 2010

ESATA CONNNOZOMI-3 SWG SDV2

MINIMUM STUB LENGTH

ESATA REDRIVER CHANNEL BOOST ENABLE OPTIONTABLE

EN D0 D1 CH-0

X

1

CH-1

STANDBYSTANDBY0 X

0 0

01

1

1 0

1

1

1

1

STANDARD STANDARD

BOOST

BOOST BOOST

BOOST

STANDARD

STANDARD

LOGIC

NZM3_SWG_SDV2_ECR001

C

C7510.1UF_10V

1005_X5R_K

C7510.1UF_10V

1005_X5R_K

12

C75010UF_6.3V

1608_X5R_M

C75010UF_6.3V

1608_X5R_M

12

C7551000PF_50V

1005_X7R_ K

C7551000PF_50V

1005_X7R_ K

12

C7661000PF_50V

1005_X7R_ K

C7661000PF_50V

1005_X7R_ K

12

J29A

3Q8815C_TA1N3_7H

J29A

3Q8815C_TA1N3_7H

GND11

A+2

A-3

GND24

B-5

B+6

GND37

D40RCLAMP0524P

NA

D40RCLAMP0524P

NA

4 76

910

5

21

83

R69810K_1%

1005_1/16 w

R69810K_1%

1005_1/16 w

12

R70910K_1%

1005_1/16 w

R70910K_1%

1005_1/16 w

12

C7540.1UF_10V

1005_X5R_K

C7540.1UF_10V

1005_X5R_K

12

R70810K_1%1005_1/16 w

R70810K_1%1005_1/16 w

12

C778

1pF_50V1608_NPO_+/-0.25pFNA

C778

1pF_50V1608_NPO_+/-0.25pFNA

12

C7670.01UF_25V 1005_X7R_K

C7670.01UF_25V 1005_X7R_K

1 2

R70210K_1%1005_1/16 wNA

R70210K_1%1005_1/16 wNA1

2

C7770.01UF_25V 1005_X7R_K

C7770.01UF_25V 1005_X7R_K

1 2

C7760.01UF_25V 1005_X7R_K

C7760.01UF_25V 1005_X7R_K

1 2

U51

SN75LVCP412

U51

SN75LVCP412

RX_1P 11RX_1N 12

TX_0N 14TX_0P 15

D18D09 EN7

RX_0N2RX_0P1

TX_1N4

TX_1P5

GN

D6

21

GN

D4

18

GN

D5

19

GN

D3

17

GN

D1

3

GN

D2

13

VC

C4

20V

CC

316

VC

C2

10V

CC

16

R69510K_1%

1005_1/16 wNA

R69510K_1%

1005_1/16 wNA 1

2

C7750.01UF_25V 1005_X7R_K

C7750.01UF_25V 1005_X7R_K

1 2

Page 42: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

USBP9-USBP9+

USBP1-USBP1+ USBP1+_CONN

USBP1-_CONN

USBP9+_CONNUSBP9-_CONN

USB_ON1 -USB_PORT8_OC4

1394_TPA0P1394_TPA0N

1394_TPB0N1394_TPB0P

USBP0-_CONNUSBP0+_CONN

-1394_DTCT

USBP0+_CONNUSBP0-_CONN

USB_ON1

-USB_PORT9_OC5

-USB_PORT1_OC1

-1394_DTCT [28]

USBP9-[27]USBP9+[27]

USBP1-[27]USBP1+[27]

USB_ON1[68] -USB_PORT8_OC4 [27]

1394_TPA0P [55]1394_TPA0N [55]

1394_TPB0P [55]1394_TPB0N [55]

USBP0-[27]USBP0+[27]

USB_ON2[68]

USB_AO_SEL0[68]USB_AO_SEL1[68]

-USB_PORT0_OC0 [27]

-USB_PORT9_OC5 [27]

-USB_PORT1_OC1 [27]

USB_PWR_D1

VCC5M

USB_PWR_D2

USB_PWR_S2

VCC5M

USB_PWR_S1

USB_PWR_S1

VCC5M

USB_PWR_D1

USB_PWR_D2

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

42 99Monday, June 14, 2010

USB POWER/CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

42 99Monday, June 14, 2010

USB POWER/CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

42 99Monday, June 14, 2010

USB POWER/CONNNOZOMI-3 SWG SDV2

WIDE PATTERN(MIN 500mA)PLACE NEAR USB CONN

WIDE PATTERN(MIN 500mA)

PLACE NEAR USB CONNECTOR

PLACE NEAR USB CONNECTOR

WIDE PATTERN(MIN 500mA)

FOR ON BOARD COMBO USB CONNECTOR

FOR ON BOARD DUAL USB CONNECTOR

FOR ON BOARD DUAL USB CONNECTOR

Current Limit Target: 1.6A

C

C2570.1UF_10V1005_X5R_K

C2570.1UF_10V1005_X5R_K

12

C7740.1UF_10V

1005_X5R_K

C7740.1UF_10V

1005_X5R_K

12

C470.1UF_10V

1005_X5R_K

C470.1UF_10V

1005_X5R_K

12

C1790.1UF_10V 1005_X5R_K

C1790.1UF_10V 1005_X5R_K

1 2

C7730.1UF_10V

1005_X5R_K

C7730.1UF_10V

1005_X5R_K

12

D80SRV05_4

NA

D80SRV05_4

NA

52

461 3

U53

TPS2065DGNG4

U53

TPS2065DGNG4

OC# 5OUT1 6OUT2 7OUT3 8

EN4IN23 IN12GND11

GND2 9

J29C

3Q8815C_TA1N3_7H

J29C

3Q8815C_TA1N3_7H

2121

2222

2323

2424 25 25

26 26

J3

QT500206_1101R_7H

J3

QT500206_1101R_7H

22212019181716151413121110987654321

2324

RNJ3BSHORT1616_4MIL

RNJ3BSHORT1616_4MIL

34

RNJ3ASHORT1616_4MIL

RNJ3ASHORT1616_4MIL

12

C7720.1UF_10V

1005_X5R_K

C7720.1UF_10V

1005_X5R_K

12

C7710.1UF_10V

1005_X5R_K

C7710.1UF_10V

1005_X5R_K

12

R110433k_5%

1005_1/16 w

R110433k_5%

1005_1/16 w

12

RNJ2BSHORT1616_4MIL

RNJ2BSHORT1616_4MIL

34

+ C1248150UF_6.3V7343_X5R_M

+ C1248150UF_6.3V7343_X5R_M

12

C12904.7UF_10V 1608_X5R_K

NA

C12904.7UF_10V 1608_X5R_K

NA

1 2

U88

TPS2540

U88

TPS2540

DP_IN 10DM_IN 11OUT 12

ILIM_SEL4DP_OUT3 DM_OUT2IN1

NC 9

EN

5

CT

L16

CT

L27

CT

L38

FA

ULT

#13

GN

D1

14IL

IM1

15IL

IM0

16G

ND

217

C560.1UF_10V1005_X5R_K

C560.1UF_10V1005_X5R_K

12

+ C1269150UF_6.3V7343_X5R_M

+ C1269150UF_6.3V7343_X5R_M

12

C2390.1UF_10V 1005_X5R_K

C2390.1UF_10V 1005_X5R_K

1 2

C12914.7UF_10V1608_X5R_K

NA

C12914.7UF_10V1608_X5R_K

NA

12

J29B

3Q8815C_TA1N3_7H

J29B

3Q8815C_TA1N3_7H

1111

1212

1313

141415 15

16 16

U52

TPS2066DGNG4

U52

TPS2066DGNG4

OC2# 5OUT2 6OUT1 7OC1# 8

EN24EN13IN2 GND11

GND2 9

RNJ2ASHORT1616_4MIL

RNJ2ASHORT1616_4MIL

12

C34.7UF_10V 1608_X5R_K

NA

C34.7UF_10V 1608_X5R_K

NA

1 2

Page 43: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SP_OUTR+

SP_OUTR-

SP_OUTL+

SP_OUTL-

-SPK_MUTE

MIC_PWR

MIC_GND

BEEP_MIX_ATT

DOCK_MIC_LDOCK_MIC_R

MIC_CLKMIC_DATA

HP_L_OUT HP_L_JACKHP_R_JACKHP_R_OUT

DOCK_HP_OUT_RDOCK_HP_OUT_L

EXT_MIC_IN

-ACZ_RST_ADIACZ_BCLK_ADI

AC97_SDIN0_CS

ACZ_SYNC_ADIACZ_SDIN0

SENSE_A

ACZ_SDOUT_ADI

SP_OUTR+ [47]

SP_OUTR- [47]

SP_OUTL+ [47]

SP_OUTL- [47]

-SPK_MUTE[62]

MIC_PWR[32]

MIC_GND[32]

BEEP_MIX_ATT[48]

DOCK_MIC_R [46]DOCK_MIC_L [46]

MIC_CLK[32]MIC_DATA[32]

HP_R_JACK [44]HP_L_JACK [44]

DOCK_HP_OUT_R [60]DOCK_HP_OUT_L [60]

EXT_MIC_IN [46]

-ACZ_RST_ADI[23]ACZ_BCLK_ADI[23]ACZ_SYNC_ADI[23]

ACZ_SDOUT_ADI[23]ACZ_SDIN0[23]

SENSE_A [45]

VCC5M

AGND

VCC3M

VCC3M

VCC5M

AGND

AVDD_3R3

VCC3MAGND

VCC3M VCC3MA

AGNDAGND AGND

AGND

VCC3M

AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

43 99Monday, June 14, 2010

AUDIO CX20672-11ZNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

43 99Monday, June 14, 2010

AUDIO CX20672-11ZNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

43 99Monday, June 14, 2010

AUDIO CX20672-11ZNOZOMI-3 SWG SDV2

NO ASM

NO ASM

NO ASM

NO ASM

R119

FL9

R22

ASM

ASM

ASM

ASM

MIC HW ENABLE/DISABLE

R686 ASM

NO ASM

TABLE

ENABLE

R961

DISABLE

LOGIC

PLACE NEAR U8

PLACE UNDER CX20561

Layout Note: place R631 and R632 near dock conn

C

RJ41 SHORT1005_20MILRJ41 SHORT1005_20MIL1 2

C340.1UF_10V1005_X5R_K

C340.1UF_10V1005_X5R_K

12

C1540.1UF_10V1005_X5R_K

C1540.1UF_10V1005_X5R_K

12

U8

CX20672-11Z

U8

CX20672-11Z

DMIC_CLK40

DMIC_1/21

VA

UX

_3.3

2

FIL

T_1

.83

SDATA_OUT4

BIT_CLK5

SDATA_IN6

VD

D_I

O7

SYNC8

RESET#9

PC_BEEP10

LEF

T+

11

LPW

R_5

.012

LEF

T-

13

RIG

HT

-14

RP

WR

_5.0

15

RIG

HT

+16

CLA

SS

DR

EF

17

DV

DD

_3.3

18

FLY_P 19FLY_N 20AVEE 21

PORTA_L 22PORTA_R 23

PORTD_L 24PORTD_R 25

AV

DD

_HP

26

AV

DD

_3.3

27

AV

DD

_5V

28

FIL

T_1

.65

29

PORTC_L 30PORTC_R 31C_BIAS 32

B_BIAS 33PORTB_L 34PORTB_R 35

SENSE_A 36

GPIO1/SPK_MUTE#37GPIO0/EAPD#38

SPDIF39

EP

_GN

D41

L11

MPZ2012S601A 2125

L11

MPZ2012S601A 212521

RJ39

SHORT1005_20MIL

RJ39

SHORT1005_20MIL

1 2

C24410UF_6.3V1608_X5R_M

C24410UF_6.3V1608_X5R_M

12

C15010UF_10V2125_X5R_K

C15010UF_10V2125_X5R_K

12

C11410UF_6.3V1608_X5R_M

C11410UF_6.3V1608_X5R_M

12

C33310UF_10V2125_X5R_K

C33310UF_10V2125_X5R_K

12

C1480.1UF_10V1005_X5R_K

C1480.1UF_10V1005_X5R_K

12

L9

MPZ2012S601A 2125

L9

MPZ2012S601A 212521

C750.1UF_10V1005_X5R_K

C750.1UF_10V1005_X5R_K

12

C131 2.2UF_10V 1608_X5R_KC131 2.2UF_10V 1608_X5R_K1 2

C430.1UF_10V1005_X5R_K

C430.1UF_10V1005_X5R_K

12

C280.1UF_10V1005_X5R_K

C280.1UF_10V1005_X5R_K

12

C25933PF_50V1005_NPO_ J

NA

C25933PF_50V1005_NPO_ J

NA

12

C81533PF_50V1005_NPO_ J

C81533PF_50V1005_NPO_ J

12

C134 2.2UF_10V 1608_X5R_KC134 2.2UF_10V 1608_X5R_K1 2

R632 1K_5% 1005_1/16 wR632 1K_5% 1005_1/16 w1 2

C15310UF_6.3V1608_X5R_M

C15310UF_6.3V1608_X5R_M

12

R1041K_5%1005_1/16 w

R1041K_5%1005_1/16 w

12

C26033PF_50V1005_NPO_ J

C26033PF_50V1005_NPO_ J

12

C10510UF_6.3V1608_X5R_M

C10510UF_6.3V1608_X5R_M

12

C32910UF_6.3V1608_X5R_M

C32910UF_6.3V1608_X5R_M

12

R631 1K_5% 1005_1/16 wR631 1K_5% 1005_1/16 w1 2

C27433PF_50V1005_NPO_ J

C27433PF_50V1005_NPO_ J

12

C231UF_10V1005_X5R_K

C231UF_10V1005_X5R_K

12

C1294 0.1UF_10V 1005_X5R_KC1294 0.1UF_10V 1005_X5R_K1 2

C3210.1UF_10V1005_X5R_K

C3210.1UF_10V1005_X5R_K

12

C1221000PF_50V1005_X7R_ K

C1221000PF_50V1005_X7R_ K

12

C81733PF_50V1005_NPO_ J

C81733PF_50V1005_NPO_ J

12

R90810K_5%1005_1/16 w

R90810K_5%1005_1/16 w

12

C447PF_50V1005_NPO_ JNA

C447PF_50V1005_NPO_ JNA

12

C820.1UF_10V1005_X5R_K

C820.1UF_10V1005_X5R_K

12

C6210UF_6.3V1608_X5R_M

C6210UF_6.3V1608_X5R_M

12

C360.01UF_25V1005_X7R_K NA

C360.01UF_25V1005_X7R_K NA

1 2

C1171000PF_50V1005_X7R_ K

C1171000PF_50V1005_X7R_ K

12

C3190.1UF_10V1005_X5R_K

NA

C3190.1UF_10V1005_X5R_K

NA

12

R678 33_5% 1005_1/16 wR678 33_5% 1005_1/16 w1 2

C1510UF_6.3V1608_X5R_M

C1510UF_6.3V1608_X5R_M

12

R1005.11K_1%1005_1/16 w

R1005.11K_1%1005_1/16 w

12

C420.1UF_10V1005_X5R_K

C420.1UF_10V1005_X5R_K

12

C300.1UF_10V1005_X5R_K

C300.1UF_10V1005_X5R_K

12

C3180.1UF_10V1005_X5R_K

NA

C3180.1UF_10V1005_X5R_K

NA

12

C13333PF_50V1005_NPO_ J

NA

C13333PF_50V1005_NPO_ J

NA

12

R12447K_5%1005_1/16 wNA

R12447K_5%1005_1/16 wNA1

2

L12

MPZ2012S601A 2125

L12

MPZ2012S601A 212521

R12210K_5%1005_1/16 wNA

R12210K_5%1005_1/16 wNA1

2

R677 33_5% 1005_1/16 wR677 33_5% 1005_1/16 w1 2

C3210UF_6.3V1608_X5R_M

C3210UF_6.3V1608_X5R_M

12

C810.1UF_10V1005_X5R_K

C810.1UF_10V1005_X5R_K

12

C32447PF_50V1005_NPO_ JNA

C32447PF_50V1005_NPO_ JNA

12

RJ26 SHORT1005_20MILRJ26 SHORT1005_20MIL1 2

C1271000PF_50V1005_X7R_ K

C1271000PF_50V1005_X7R_ K

12

C1191UF_10V

1005_X5R_K

NA

C1191UF_10V

1005_X5R_K

NA

12

C540.1UF_10V

1005_X5R_K

C540.1UF_10V

1005_X5R_K

12

R6180.1_1%2125_1/4 w

R6180.1_1%2125_1/4 w

12

C53510UF_10V2125_X5R_K

C53510UF_10V2125_X5R_K

12

L8

MPZ2012S601A 2125

L8

MPZ2012S601A 212521

R169 39_5% 1005_1/16 wR169 39_5% 1005_1/16 w1 2

C15710UF_6.3V1608_X5R_M

C15710UF_6.3V1608_X5R_M

12

C1430.01UF_25V1005_X7R_K

NA

C1430.01UF_25V1005_X7R_K

NA

1 2

C1160.1UF_10V1005_X5R_K

C1160.1UF_10V1005_X5R_K

12

C2431000PF_50V1005_X7R_ K

C2431000PF_50V1005_X7R_ K

12

C2112.2UF_10V1608_X5R_K

C2112.2UF_10V1608_X5R_K

12

RJ38

SHORT1005_20MIL

RJ38

SHORT1005_20MIL

1 2

R119 33_5% 1005_1/16 wR119 33_5% 1005_1/16 w1 2

C6310UF_6.3V1608_X5R_M

C6310UF_6.3V1608_X5R_M

12

Page 44: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

MIC_JACK_2

COMBO_JACK_IN

HP_JACK_DOCK

HP_JACK_IN

HP_JACK_SYS

HP_R_JACK

HP_L_JACKHP_L_JACK[43]

HP_JACK_SYS [45,46]

HP_R_JACK[43]

MIC_JACK_2 [46]

COMBO_JACK_IN [45]

HP_JACK_DOCK[45]

HP_JACK_IN [62]

VCC3MA

AGND

AGND

AGND

AGND

AGND

VCC3MA

VCC3MA

AGNDAGND

AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

44 99Monday, June 14, 2010

AUDIO CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

44 99Monday, June 14, 2010

AUDIO CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

44 99Monday, June 14, 2010

AUDIO CONNNOZOMI-3 SWG SDV2

WIDE AND SHORT PATTERN

WIDE PATTERN

NEAR AUDIO CONN

C

R628100K_5%1005_1/16 w

R628100K_5%1005_1/16 w

12

R743220_5%

1005_1/16 w

R743220_5%

1005_1/16 w

12

Q452SK3541Q452SK3541

32

1

R953

0_5% 1005_1/16 w

R953

0_5% 1005_1/16 w1 2

R199100K_5%1005_1/16 w

R199100K_5%1005_1/16 w

12

R39910K_5%1005_1/16 w

R39910K_5%1005_1/16 w

12

R9520_5%

1005_1/16 wNA

R9520_5%

1005_1/16 wNA1

2

D94

RSB5R6S

D94

RSB5R6S

12

R717

22K_5% 1005_1/16 w

R717

22K_5% 1005_1/16 w1 2

R420470K_5%1005_1/16 w

R420470K_5%1005_1/16 w

12

FL3

MMZ1005Y152CT TDK

FL3

MMZ1005Y152CT TDK21

R62110K_5%

1005_1/16 w

R62110K_5%

1005_1/16 w

12

C1621UF_10V 1005_X5R_K

C1621UF_10V 1005_X5R_K

1 2

C3430.01UF_25V

1005_X7R_K

NA

C3430.01UF_25V

1005_X7R_K

NA

12

C1971000PF_50V

1005_X7R_ K

C1971000PF_50V

1005_X7R_ K

12

Q682SK3541Q682SK3541

32

1

C131000PF_50V

1005_X7R_ K

C131000PF_50V

1005_X7R_ K

12

C1201UF_10V

1005_X5R_K

C1201UF_10V

1005_X5R_K

12

C4421000PF_50V

1005_X7R_ K

NA

C4421000PF_50V

1005_X7R_ K

NA

12

D24

RSB5R6S

D24

RSB5R6S

12

D85DAN222

D85DAN222

312

R742220_5%

1005_1/16 w

R742220_5%

1005_1/16 w

12

D99

RSB5R6S

D99

RSB5R6S

12

Q70DTC115EEQ70DTC115EE

13

2

FL5

MMZ1005Y152CT TDK

FL5

MMZ1005Y152CT TDK21

R716

22K_5% 1005_1/16 w

R716

22K_5% 1005_1/16 w1 2

J19

1734260_7

J19

1734260_7

3 32 21 1

4 4

5 5

6 6

7 7PEG18

PEG29

Page 45: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DOCK_MIC_EN

-DOCK_MICIN_DTCT

-DOCK_HPOUT_DTCT

SENSE_A

HP_JACK_DOCK

HP_JACK_SYS

COMBO_JACK_IN

-DOCK_MICIN_DTCT[60]

-DOCK_HPOUT_DTCT[60]

SENSE_A [43]

HP_JACK_DOCK [44]

COMBO_JACK_IN[44]

HP_JACK_SYS[44,46]

AGND

VCC3MA

AGND

VCC3MA

VCC3MA

AGND

VCC3MA

AGND

AGND

AGND

AGND

AGND

AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

45 99Monday, June 14, 2010

AUDIO JACK SENSENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

45 99Monday, June 14, 2010

AUDIO JACK SENSENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

45 99Monday, June 14, 2010

AUDIO JACK SENSENOZOMI-3 SWG SDV2

C

Q302SK3541Q302SK3541

32

1

Q872SK3541Q872SK3541

32

1

Q552SK3541Q552SK3541

32

1

R290

20K_1% 1005_1/16 w

R290

20K_1% 1005_1/16 w1 2

R321100K_5%

1005_1/16 w

R321100K_5%

1005_1/16 w

12

Q502SK3541Q502SK3541

32

1

C5931000PF_50V

1005_X7R_ K

NA

C5931000PF_50V

1005_X7R_ K

NA

12

R50100K_5%

1005_1/16 w

R50100K_5%

1005_1/16 w

12

R554

5.11K_1% 1005_1/16 w

R554

5.11K_1% 1005_1/16 w1 2

R428

10k_1% 1005_1/16 w

R428

10k_1% 1005_1/16 w1 2

R295

22K_5% 1005_1/16 w

R295

22K_5% 1005_1/16 w1 2

R30510K_5%

1005_1/16 w

R30510K_5%

1005_1/16 w

12

R95110K_5%

1005_1/16 w

R95110K_5%

1005_1/16 w1

2

R553

22K_5% 1005_1/16 w

R553

22K_5% 1005_1/16 w1 2

C5711000PF_50V

1005_X7R_ K

NA

C5711000PF_50V

1005_X7R_ K

NA

12

R257

22K_5% 1005_1/16 w

R257

22K_5% 1005_1/16 w1 2

Q86DTC115EEQ86DTC115EE

13

2

Q3DTC115EEQ3DTC115EE

13

2

R225

22K_5% 1005_1/16 w

R225

22K_5% 1005_1/16 w1 2

R319

39.2K_1% 1005_1/16 w

R319

39.2K_1% 1005_1/16 w1 2

RJ42 SHORT1005_20MILRJ42 SHORT1005_20MIL1 2

Page 46: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

HP_JACK_SYS

MIC_JACK_2 EXT_MIC_IN

DOCK_MIC_L

DOCK_MIC_R

DOCK_MIC_IN_L

HP_JACK_SYS[44,45]

EXT_MIC_IN [43]MIC_JACK_2[44]

DOCK_MIC_L [43]

DOCK_MIC_R [43]

DOCK_MIC_IN_L[60]

AGND

VCC3MA

AGND

AGND

AGND

AGND

AGND

AVDD_3R3

AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

46 99Monday, June 14, 2010

AUDIO EXT MIC I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

46 99Monday, June 14, 2010

AUDIO EXT MIC I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

46 99Monday, June 14, 2010

AUDIO EXT MIC I/FNOZOMI-3 SWG SDV2

NEAR EXT MIC CONN

C

C83

2.2UF_10V1608_X5R_K

C83

2.2UF_10V1608_X5R_K

1 2

R35270_5%

1005_1/16 w

R35270_5%

1005_1/16 w

12

C27

0.01UF_25V 1005_X7R_K

C27

0.01UF_25V 1005_X7R_K

1 2

C731UF_10V

1005_X5R_K

C731UF_10V

1005_X5R_K

12

C1421000PF_50V

1005_X7R_ K

C1421000PF_50V

1005_X7R_ K

12

R6

0_5% 1005_1/16 wNA

R6

0_5% 1005_1/16 wNA

1 2

R151

47_5% 1005_1/16 w

R151

47_5% 1005_1/16 w1 2

R22

2.2K_5% 1005_1/16 w

R22

2.2K_5% 1005_1/16 w1 2

R170470K_5%1005_1/16 w

R170470K_5%1005_1/16 w

12

Q43DTA114EEAQ43DTA114EEA

2

1 3

C910.01UF_25V 1005_X7R_K

C910.01UF_25V 1005_X7R_K

1 2

R452100_5%1005_1/16 w

R452100_5%1005_1/16 w

12

FL14

BK1608HS102 TAIYO YUDEN

FL14

BK1608HS102 TAIYO YUDEN2 1

Q39DTC115EEQ39DTC115EE

13

2

R4602.2K_5%1005_1/16 w

R4602.2K_5%1005_1/16 w

12

C84

2.2UF_10V1608_X5R_K

C84

2.2UF_10V1608_X5R_K

1 2

FL9

MMZ1005Y152CT TDK

FL9

MMZ1005Y152CT TDK21

C4381UF_10V1005_X5R_K

C4381UF_10V1005_X5R_K

12

R448100K_5%

1005_1/16 w

R448100K_5%

1005_1/16 w

12

Page 47: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SP_OUTL+SP_OUTL-SP_OUTR+SP_OUTR-

SP_OUTR-[43]SP_OUTR+[43]

SP_OUTL+[43]SP_OUTL-[43]

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

47 99Monday, June 14, 2010

AUDIO SPEAKERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

47 99Monday, June 14, 2010

AUDIO SPEAKERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

47 99Monday, June 14, 2010

AUDIO SPEAKERNOZOMI-3 SWG SDV2

PLACE, NEAR SPEAKER CONNECTOR

C

C175220PF_50V1005_NPO_ J

C175220PF_50V1005_NPO_ J

12

C168220PF_50V1005_NPO_ J

C168220PF_50V1005_NPO_ J

12

C166220PF_50V1005_NPO_ J

C166220PF_50V1005_NPO_ J

12

C169220PF_50V1005_NPO_ J

C169220PF_50V1005_NPO_ J

12

J4

1734260_4

J4

1734260_4

33 2211

44PEG1 5

PEG2 6

Page 48: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

EC_SPKR

PCH_SPKR

-BEEP_ENABLE

MUTE

-MUTE

BEEP_MIX_ATT

MUTE

-MUTE[62]

BEEP_MIX_ATT [43]

EC_SPKR[62]

PCH_SPKR[23]

-BEEP_ENABLE[62]

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

48 99Monday, June 14, 2010

AUDIO BEEPNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

48 99Monday, June 14, 2010

AUDIO BEEPNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

48 99Monday, June 14, 2010

AUDIO BEEPNOZOMI-3 SWG SDV2

C

D211 RB521S_30D211 RB521S_3012

R6710K_5%

1005_1/16 w

R6710K_5%

1005_1/16 w

12

D210 RB521S_30D210 RB521S_3012

Q382SK3541

Q382SK3541

32

1

R1615100K_5%

1005_1/16 w

R1615100K_5%

1005_1/16 w

12

R91410K_5%

1005_1/16 w

R91410K_5%

1005_1/16 w

12

D68 RB521S_30D68 RB521S_3012

R13427K_5%1005_1/16 w

R13427K_5%1005_1/16 w12

D51 RB521S_30D51 RB521S_3012

Q822SK3541Q822SK3541

32

1

R66100_5%

1005_1/16 w

R66100_5%

1005_1/16 w

12

Page 49: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

ACZ_SDOUT_MDC

ACZ_SYNC_MDCACZ_SDIN1

-ACZ_RST_MDC-MDC_KILL

ACZ_BCLK_MDC

ACZ_SDOUT_MDC[23]

ACZ_SDIN1[23]ACZ_SYNC_MDC[23]

-ACZ_RST_MDC[23]-MDC_KILL[27]

ACZ_BCLK_MDC [23]

VCC3M

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

49 99Monday, June 14, 2010

MDC CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

49 99Monday, June 14, 2010

MDC CONNNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

49 99Monday, June 14, 2010

MDC CONNNOZOMI-3 SWG SDV2

C

MDC Connector

Fuse 1.50A

CNV_EC042

C3850.01UF_25V1005_X7R_K

C3850.01UF_25V1005_X7R_K

12

C89022PF_50V1005_NPO_ JNA

C89022PF_50V1005_NPO_ JNA

12

R740 0_5% 1005_1/16 wR740 0_5% 1005_1/16 w1 2

VCC

VSS

U72

TC7SH08FU

VCC

VSS

U72

TC7SH08FU12

5

4

3

J26

TYCO 1_2040478_2

J26

TYCO 1_2040478_2

PEG4 16PEG3 15

PEG6 18

P10 10

P12 12

P6 6P4 4

P8 8

P2 2

PEG214PEG113

PEG517

P99

P1111

P55 P33

P77

P11

NC119 NC2 20

F1ERBSD1R50UF1ERBSD1R50U

12

Page 50: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-CLKREQ_GBE

-PLTRST_FAR

PCIE_CLK_GBE-PCIE_CLK_GBE

PCIE_GBE_RXPPCIE_GBE_RXN

PCIE_GBE_RXP_CPCIE_GBE_RXN_C

PCIE_GBE_TXPPCIE_GBE_TXN

SML0_CLKSML0_DATA

LANPHYPC

-RJ45_LINKUP-RJ45_ACTIVITY

MDI_0+MDI_0-

MDI_1+MDI_1-

MDI_2+MDI_2-

MDI_3+MDI_3-

-CLKREQ_GBE[24,62]

-PLTRST_FAR[4,11,27,54]

PCIE_CLK_GBE[24]-PCIE_CLK_GBE[24]

PCIE_GBE_RXP[24]PCIE_GBE_RXN[24]

PCIE_GBE_TXP[24]PCIE_GBE_TXN[24]

SML0_CLK[24]SML0_DATA[24]

LANPHYPC[28]

-RJ45_LINKUP[51]-RJ45_ACTIVITY[51]

MDI_0+ [51]MDI_0- [51]

MDI_1+ [51]MDI_1- [51]

MDI_2+ [51]MDI_2- [51]

MDI_3+ [51]MDI_3- [51]

VCC3GBEVCC3M

VCC3GBE

VCC3GBE

VCC3GBE

VCC3GBEVCC3LAN

VCC3LAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

50 99Monday, June 14, 2010

GBE LEWISVILLENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

50 99Monday, June 14, 2010

GBE LEWISVILLENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

50 99Monday, June 14, 2010

GBE LEWISVILLENOZOMI-3 SWG SDV2

C

SMBUS DEVICE ADDRESSES 0XC8

KEEP SHORT AND WIDEPATTERN

LOGIC

TABLE

AMTU13

YES NO82579LM 82579V

P/N 41U6141

KDS DSX321G-25.000M-18PF-30PPM

TXC 7V25020001

RIVER FCX-04-25MJ90141 NOTE: VCC1GBE WILL WORK AT 0.95V TO 1.15V

CNV_EC022

NZM3_SWG_SDV2_EC079

R16610K_5%1005_1/16 w

R16610K_5%1005_1/16 w

12

R1763.01K_1%1005_1/16 w

R1763.01K_1%1005_1/16 w

12

R185 4.7K_5% 1005_1/16 wR185 4.7K_5% 1005_1/16 w1 2

R2910K_5%1005_1/16 w

R2910K_5%1005_1/16 w

12

Y2

DSX321G_25M_18PF

Y2

DSX321G_25M_18PF

321 4

C23122UF_6.3V2125_X5R_M

C23122UF_6.3V2125_X5R_M

12

JTAG

LED

SMBUS

MDIPCIE

U13

LEWISVILLE

JTAG

LED

SMBUS

MDIPCIE

U13

LEWISVILLE

VSS_EPAD 49

VDD1P0_47 47

VDD1P0_46 46

PE_CLKN45PE_CLKP44

VDD1P0_43 43

PERN42

VDD1P0_40 40

PETP38

VDD1P0_37 37

JTAG_TCK35

JTAG_TDO34

JTAG_TMS33

JTAG_TDI32

SMB_DATA31

TEST_EN30

VDD3P3_29 29

SMB_CLK28

LED127 LED026

LED225

MDI_MINUS3 24MDI_PLUS3 23

VDD1P0_22 22

MDI_MINUS2 21MDI_PLUS2 20

VDD3P3_19 19

MDI_MINUS1 18MDI_PLUS1 17

VDD1P0_16 16

VDD3P3_15 15

MDI_PLUS0 13

RBIAS12

VDD1P0_11 11

XTAL_IN10XTAL_OUT9

VDD1P0_8 8

CTRL_1P0 7

RSVD_NC 6

VDD3P3_IN 5

VDD3P3_OUT 4LAN_DISABLE3

RSVD_VCC3P3_2 2RSVD_VCC3P3_1 1

PETN39

PERP41

MDI_MINUS0 14PE_RST36 CLK_REQ48

R3250_5% 1005_1/16 w

R3250_5% 1005_1/16 w

1 2

R178 4.7K_5% 1005_1/16 wR178 4.7K_5% 1005_1/16 w1 2

R690_5% 1005_1/16 w

R690_5% 1005_1/16 w

1 2

C49 0.1UF_10V 1005_X5R_KC49 0.1UF_10V 1005_X5R_K1 2

C4833PF_50V1005_NPO_ J

C4833PF_50V1005_NPO_ J

12

R173 10K_5% 1005_1/16 w

NA

R173 10K_5% 1005_1/16 w

NA1 2

C26222UF_6.3V2125_X5R_M

C26222UF_6.3V2125_X5R_M

12

C10733PF_50V

1005_NPO_ J

C10733PF_50V

1005_NPO_ J

12

C209 0.1UF_10V 1005_X5R_KC209 0.1UF_10V 1005_X5R_K1 2

Q123DTC115TEQ123DTC115TE

2

31

C2670.1UF_10V1005_X5R_K

C2670.1UF_10V1005_X5R_K

12

R713 0.001_5%1608_1/10 w

R713 0.001_5%1608_1/10 w1 2

C2550.1UF_10V1005_X5R_KNA

C2550.1UF_10V1005_X5R_KNA

12

R171 10K_5% 1005_1/16 wR171 10K_5% 1005_1/16 w1 2R167 10K_5% 1005_1/16 wR167 10K_5% 1005_1/16 w1 2

R1721K_5%1005_1/16 w

R1721K_5%1005_1/16 w

12

C212 1UF_10V

1005_X5R_K

C212 1UF_10V

1005_X5R_K

1 2

C2860.1UF_10V1005_X5R_K

C2860.1UF_10V1005_X5R_K

12

C2780.1UF_10V1005_X5R_K

C2780.1UF_10V1005_X5R_K

12

C132510UF_6.3V1608_X5R_M

NA

C132510UF_6.3V1608_X5R_M

NA

12

L18

4.7uH FLF3215T-4R7M

L18

4.7uH FLF3215T-4R7M21

Page 51: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

MDI_0+MDI_0-

MDI_1+MDI_1-

MDI_2+MDI_2-

MDI_3+MDI_3-

-RJ45_LINKUP_SYS-RJ45_ACTIVITY_SYS

-RJ45_LINKUP_DOCK-RJ45_ACTIVITY_DOCK

-RJ45_LINKUP-RJ45_ACTIVITY

-DOCK_ATTACHED_AUX

DOCK_MDI_0+DOCK_MDI_0-SYS_MDI_0+SYS_MDI_0-

SYS_MDI_1+SYS_MDI_1-

DOCK_MDI_1+DOCK_MDI_1-

SYS_MDI_2+SYS_MDI_2-

DOCK_MDI_2+DOCK_MDI_2-

SYS_MDI_3+SYS_MDI_3-

DOCK_MDI_3+DOCK_MDI_3-

MDI_0+[50]

MDI_1+[50]

MDI_2+[50]

MDI_3+[50]

-RJ45_LINKUP_SYS[53]-RJ45_ACTIVITY_SYS[53]

-RJ45_LINKUP_DOCK[60]-RJ45_ACTIVITY_DOCK[60]

MDI_0-[50]

MDI_1-[50]

MDI_2-[50]

MDI_3-[50]

-RJ45_LINKUP[50]-RJ45_ACTIVITY[50]

-DOCK_ATTACHED_AUX[60]

DOCK_MDI_0+ [60]DOCK_MDI_0- [60]

SYS_MDI_0- [52]SYS_MDI_0+ [52]

DOCK_MDI_1- [60]

SYS_MDI_1- [52]SYS_MDI_1+ [52]

DOCK_MDI_1+ [60]

DOCK_MDI_2- [60]

SYS_MDI_2- [52]SYS_MDI_2+ [52]

DOCK_MDI_2+ [60]

DOCK_MDI_3- [60]

SYS_MDI_3- [52]SYS_MDI_3+ [52]

DOCK_MDI_3+ [60]

VCC3GBE

VCC3GBE

VCC3GBE

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

51 99Monday, June 14, 2010

GBE LAN SWITCHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

51 99Monday, June 14, 2010

GBE LAN SWITCHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

51 99Monday, June 14, 2010

GBE LAN SWITCHNOZOMI-3 SWG SDV2

C

C65

5

0.1U

F_1

0V

1005

_X5R

_KC

655

0.1U

F_1

0V

1005

_X5R

_K1

2

C63

7

0.1U

F_1

0V

1005

_X5R

_KC

637

0.1U

F_1

0V

1005

_X5R

_K1

2

C66

7

0.1U

F_1

0V

1005

_X5R

_KC

667

0.1U

F_1

0V

1005

_X5R

_K1

2

C65

7

0.1U

F_1

0V

1005

_X5R

_KC

657

0.1U

F_1

0V

1005

_X5R

_K1

2

C63

9

0.1U

F_1

0V

1005

_X5R

_KC

639

0.1U

F_1

0V

1005

_X5R

_K1

2

R3004.7K_5%1005_1/16 w

R3004.7K_5%1005_1/16 w

12

U12

PI3L500AZFEX

U12

PI3L500AZFEX

GND11

A02

A13

VDD14

N.C.5

GND26

A27

A38

GND39

VDD210

A411

A512

GND413

A614

A715

GND516

SEL17

VDD18

LED019

LED120

GND621

0LED122

1LED123

GND724

0LED225

1LED226

VDD327

GND828

0B1 48

1B1 47

0B2 46

1B2 45

GND9 44

2B1 43

3B1 42

2B2 41

3B2 40

GND10 39

VDD4 38

4B1 37

5B1 36

4B2 35

5B2 34

GND11 33

6B1 32

7B1 31

6B2 30

7B2 29

VDD5 56

GND12 55

LED2 54

GND13 53

2LED1 52

2LED2 51

VDD6 50

GND14 49

EXT_PAD 57

Page 52: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SYS_MDI_0+SYS_MDI_0-

SYS_MDI_2+SYS_MDI_2-

RJ45_TXD0PRJ45_TXD0N

RJ45_TXD2PRJ45_TXD2N

RJ45_TXD3PRJ45_TXD3N

RJ45_TXD1PRJ45_TXD1N

SYS_MDI_3+SYS_MDI_3-

SYS_MDI_1+SYS_MDI_1-

SYS_MDI_0- [51]SYS_MDI_0+ [51]

SYS_MDI_2- [51]SYS_MDI_2+ [51]

RJ45_TXD0N [53]RJ45_TXD0P [53]

RJ45_TXD2N [53]RJ45_TXD2P [53]

RJ45_TXD3N [53]RJ45_TXD3P [53]

RJ45_TXD1N [53]RJ45_TXD1P [53]

SYS_MDI_3- [51]SYS_MDI_3+ [51]

SYS_MDI_1-[51]SYS_MDI_1+[51]

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

52 99Monday, June 14, 2010

GBE MAGNETICSNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

52 99Monday, June 14, 2010

GBE MAGNETICSNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

52 99Monday, June 14, 2010

GBE MAGNETICSNOZOMI-3 SWG SDV2

C

PULSE H0068A(NL) OR MIDCOM 000-7219-35R

THE WIDTH OF THESE TRACE SHOULD

BE WIDER THAN 35MIL TO PREVENT

VOLTAGE DROP.

C303SHOULD BE PLACED AS CLOSETO MAGNETICS AS POSSIBLE.

PATTERN MUST BESHORT AND WIDE.

PULSE H0068A(NL) OR MIDCOM 000-7219-35R

HIGH VOLTAGE1500PF CAPIS OPTIONALESD REASON

C56

0

0.1U

F_1

0V

1005

_X5R

_KC

560

0.1U

F_1

0V

1005

_X5R

_K1

2

C55

4

0.1U

F_1

0V

1005

_X5R

_KC

554

0.1U

F_1

0V

1005

_X5R

_K1

2

R9601M_5%2125_1/8 w

R9601M_5%2125_1/8 w

12

R66

4

75_5

%21

25_1

/8 w

R66

4

75_5

%21

25_1

/8 w

12

C55

8

0.1U

F_1

0V

1005

_X5R

_KC

558

0.1U

F_1

0V

1005

_X5R

_K1

2

R66

5

75_5

%21

25_1

/8 w

R66

5

75_5

%21

25_1

/8 w

12

T2

000_7219_35R

T2

000_7219_35R

TX- 9TX+ 10TXCT 11NC3 12NC4 13RXCT 14RX- 15RX+ 16

TD-8TD+7 TDCT6NC25NC14 RDCT3RD-2 RD+1

R66

6

75_5

%21

25_1

/8 w

R66

6

75_5

%21

25_1

/8 w

12

R66

7

75_5

%21

25_1

/8 w

R66

7

75_5

%21

25_1

/8 w

12

C5621500PF_2000V4520_X5R_K

C5621500PF_2000V4520_X5R_K

12

C30

3

1UF

_10V

1005

_X5R

_KC

303

1UF

_10V

1005

_X5R

_K12

C53

3

0.1U

F_1

0V

1005

_X5R

_KC

533

0.1U

F_1

0V

1005

_X5R

_K1

2

C62

7

0.1U

F_1

0V

1005

_X5R

_K

NA

C62

7

0.1U

F_1

0V

1005

_X5R

_K

NA

12

C62

6

0.1U

F_1

0V

1005

_X5R

_K

NA

C62

6

0.1U

F_1

0V

1005

_X5R

_K

NA

12

T1

000_7219_35R

T1

000_7219_35R

TX- 9TX+ 10TXCT 11NC3 12NC4 13

RXCT 14RX- 15RX+ 16

TD-8TD+7 TDCT6NC25 NC14RDCT3RD-2 RD+1

Page 53: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

RJ45_TXD1N

RJ45_TXD3N

RJ45_TXD1P

RJ45_TXD3P

-RJ45_ACTIVITY_SYS-RJ45_LINKUP_SYS

RJ45_TXD2N

RJ45_TXD0PRJ45_TXD0N

RJ45_TXD2P

RJ45_TXD1N[52]RJ45_TXD1P[52]

RJ45_TXD3N[52]RJ45_TXD3P[52]

RJ45_TXD0N[52]RJ45_TXD0P[52]

RJ45_TXD2N[52]RJ45_TXD2P[52]

-RJ45_LINKUP_SYS[51]-RJ45_ACTIVITY_SYS[51]

VCC3GBE

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

53 99Monday, June 14, 2010

RJ45 CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

53 99Monday, June 14, 2010

RJ45 CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

53 99Monday, June 14, 2010

RJ45 CONNECTORNOZOMI-3 SWG SDV2

C

GREEN

YELLOW

ESD REASON

R861330_5%

1005_1/16 w

R861330_5%

1005_1/16 w

12

C26

3

0.1U

F_1

0V

1005

_X5R

_KC

263

0.1U

F_1

0V

1005

_X5R

_K1

2

J36

TYCO 2041208_1

J36

TYCO 2041208_1

RJ45_TXD0P1

RJ45_TXD0N2

RJ45_TXD1P3

RJ45_TXD2P4

RJ45_TXD2N5

RJ45_TXD3P7RJ45_TXD1N6

RJ45_TXD3N8

SHIELD1 9

SHIELD2 10D114 SML_A10MTD114 SML_A10MT12

D104SRV05_4

NA

D104SRV05_4

NA

52

461 3

D103SRV05_4

NA

D103SRV05_4

NA

52

461 3

C45

2

0.1U

F_1

0V

1005

_X5R

_KC

452

0.1U

F_1

0V

1005

_X5R

_K1

2

D115 SML_A12WTD115 SML_A12WT2 1

C6281UF_10V1005_X5R_K

C6281UF_10V1005_X5R_K

12

R862330_5%1005_1/16 w

R862330_5%1005_1/16 w

12

Page 54: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

USBP3+_CONNUSBP3-_CONN

USBP2+_CONNUSBP2-_CONN

-PLTRST_FAR-WWAN_DISABLE

-PLTRST_FAR-WLAN_RF_KILL

USBP3+

USBP3+_CONN_R

USBP3-_CONN_R

USBP3-

USBCC+USBCC-

USB_CC_SEL

USBP2+USBP2-

PCIE_WLAN_TXNPCIE_WLAN_TXP

-CL_RST_WLANCL_DATA_WLANCL_CLK_WLAN

PCIE_WLAN_RXPPCIE_WLAN_RXN

-PCIE_WAKE

-CLKREQ_WLAN

-PCIE_WAKE

-PCIE_CLK_WLANPCIE_CLK_WLAN

WIFI_BUSYBT_BUSY

UIM_DATA

UIM_RESETUIM_CLK

UIM_VPP

UIM_PWR

-LED_WIRELESS

-WWAN_DISABLE[61]

-WLAN_RF_KILL[61]-PLTRST_FAR[4,11,27,50]

-LED_WIRELESS[32]

USBP3+[27]USBP3-[27]

USBCC+[57]USBCC-[57]

USB_CC_SEL[57,68]

USBP2+[27]USBP2-[27]

PCIE_WLAN_TXN [24]

-CL_RST_WLAN [24]CL_DATA_WLAN [24]CL_CLK_WLAN [24]

PCIE_WLAN_RXP [24]PCIE_WLAN_RXN [24]

PCIE_WLAN_TXP [24]

-CLKREQ_WLAN [24]

-PCIE_WAKE [25,57,68]

-PCIE_CLK_WLAN [24]PCIE_CLK_WLAN [24]

WIFI_BUSY [64]BT_BUSY [64]

SATA2_TXN [23]SATA2_TXP [23]

-MSATA_DTCT [28]

USB_SBD [28]

BDC_ON [32,61,64]

SATA2_RXP [23]SATA2_RXN [23]

VCC1R5BVCC3WAN VCC3WAN

VCC1R5BVCC3WLAN VCC3WLAN

VCC3WAN

VCC3M

VCC1R5B

VCC3WLAN

VCC1R5B VCC3WLAN

VCC3B

VCC3WAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

54 99Monday, June 14, 2010

PCIE MINI CARD SLOTNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

54 99Monday, June 14, 2010

PCIE MINI CARD SLOTNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

54 99Monday, June 14, 2010

PCIE MINI CARD SLOTNOZOMI-3 SWG SDV2

C

PLACE NEAR J22

PLACE NEAR J32

PLACE NEAR J25

TABLE

WWANCONSTANTCONNECT

W/WWAN W/WWAN W/O WWAN VER.2 VER.1/NO NO

J22J25C1118C1119R1066C623D21

ASMASMASMASMASMASMASM

ASMASMASMASMASMASMASM

NO_ASMNO_ASMNO_ASMNO_ASMNO_ASMNO_ASMNO_ASM

U83R629R651

ASMNO_ASMNO_ASM

NO_ASM ASM ASM

NO_ASMNO_ASMNO_ASM

LOGIC

FULL MINI CARD FOR WWAN4.1H CONNECTOR

FULL MINI CARD FOR WLAN7.0H CONNECTOR

NZM3_SWG_SDV2_EC032

NZM3_SWG_SDV2_EC032

SWG_SDV2_EC040

SWG_SDV2_EC040

SWG_SDV2_EC104

C11171UF_10V1005_X5R_K

C11171UF_10V1005_X5R_K

12

D52RCLAMP0502B

NA

D52RCLAMP0502B

NA21

3

Q90DTC115TEQ90DTC115TE

2

31

R792 0_5% 1005_1/16 wR792 0_5% 1005_1/16 w1 2

J25

CON 1747314_1

J25

CON 1747314_1

11

22

33

55

66

77 8 84 4

J32

TYCO 1932092_1

J32

TYCO 1932092_1

+3.3V52

GND1250

+1.5V_148

LED_WPAN#46

LED_WLAN#44

LED_WWAN#42

GND1140

USB_D+38

USB_D-36

GND934

SMB_DATA32

SMB_CLK30

+1.5V_228

GND626

+3.3VAUX24

PERST#22

DISABLE#20

GND418

UIM_VPP16

UIM_RESET14

UIM_CLK12

UIM_DATA10

UIM_PWR8

1.5V6

GND14

3.3V2

PEG153

RESERVED10 51

RESERVED9 49

RESERVED8 47

RESERVED7 45

RESERVED6 43

RESERVED5 41

RESERVED4 39

RESERVED3 37

GND10 35

PETP0 33

PETN0 31

GND8 29

GND7 27

PERP0 25

PERN0 23

GND5 21

RESERVED2 19

RESERVED1 17

GND3 15

REFCLK+ 13

REFCLK- 11

GND2 9

CLKREQ# 7

COEXISTENCE_2 5

COEXISTENCE_1 3

WAKE# 1

PEG2 54

NC155 NC2 56

C7181UF_10V1005_X5R_K

C7181UF_10V1005_X5R_K

12

C11160.1UF_10V

1005_X5R_K

C11160.1UF_10V

1005_X5R_K

12

C115510UF_6.3V1608_X5R_MNA

C115510UF_6.3V1608_X5R_MNA

12

U83

PI3USB10LP_AZME

NA

U83

PI3USB10LP_AZME

NA

SEL 10

OE# 8

D+ 3

D- 5

D+B2

D-B6

D-A7 D+A1 VC

C9

GN

D4

J22

CON 679100002

J22

CON 679100002

+3.3V52

GND1250

+1.5V_248

LED_WPAN#46

LED_WLAN#44

LED_WWAN#42

GND1140

USB_D+38

USB_D-36

GND934

SMB_DATA32

SMB_CLK30

+1.5V_128

GND626

+3.3VAUX24

PERST#22

DISABLE#20

GND418

UIM_VPP16

UIM_RESET14

UIM_CLK12

UIM_DATA10

UIM_PWR8

1.5V6

GND14

3.3V2

PEG153

RESERVED10 51

RESERVED9 49

RESERVED8 47

RESERVED7 45

GND_43 43

+3.3V_41 41

+3.3V_39 39

GND_37 37

GND10 35

PETP0 33

PETN0 31

GND8 29

GND7 27

PERP0 25

PERN0 23

GND5 21

UIM_C4 19

UIM_C8 17

GND3 15

REFCLK+ 13

REFCLK- 11

GND2 9

CLKREQ# 7

COEXISTENCE_2 5

COEXISTENCE_1 3

WAKE# 1

PEG2 54

NC155 NC2 56

R651 0_5%

1005_1/16 w

R651 0_5%

1005_1/16 w1 2

C115610UF_6.3V1608_X5R_MNA

C115610UF_6.3V1608_X5R_MNA

12

D21

FTZ6R8E

D21

FTZ6R8E

31 24

5

C11761UF_10V1005_X5R_K

C11761UF_10V1005_X5R_K

12

C7171UF_10V

1005_X5R_K

C7171UF_10V

1005_X5R_K

12

R793 0_5% 1005_1/16 wR793 0_5% 1005_1/16 w1 2R794 0_5% 1005_1/16 wR794 0_5% 1005_1/16 w1 2

C6234.7UF_6.3V1608_X5R_K

C6234.7UF_6.3V1608_X5R_K

12

C7231UF_10V

1005_X5R_K

C7231UF_10V

1005_X5R_K

12

C11180.1UF_10V

1005_X5R_K

C11180.1UF_10V

1005_X5R_K

12

R790 0_5% 1005_1/16 wR790 0_5% 1005_1/16 w1 2

R59110k_5%1005_1/16 w

R59110k_5%1005_1/16 w

12

C11191UF_10V1005_X5R_K

C11191UF_10V1005_X5R_K

12

R1066

200_1% 1005_1/16 w

R1066

200_1% 1005_1/16 w

1 2

R629 0_5%

1005_1/16 w

R629 0_5%

1005_1/16 w1 2

Q89DTC115TEQ89DTC115TE

2

31

D109RCLAMP0502BNA

D109RCLAMP0502BNA

213

Page 55: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-CLKREQ_MCC

MFIO08

MFIO10MFIO11

-MFCD0

PCIE_MCC_RXP_C

1394_TPA0P1394_TPA0N

PCIE_MCC_RXN_C

1394_TPB0P1394_TPB0N

-PLTRST_NEAR

PCIE_CLK_MCC-PCIE_CLK_MCC

PCIE_MCC_TXPPCIE_MCC_TXN

MFIO00MFIO01MFIO02

PCIE_MCC_RXPPCIE_MCC_RXN

MFIO05

MFIO00 [56]MFIO01 [56]MFIO02 [56]

MFIO08 [56]

MFIO10 [56]MFIO11 [56]

-MFCD0 [56]

1394_TPA0P [42]1394_TPA0N [42]1394_TPB0P [42]1394_TPB0N [42]

-PLTRST_NEAR[27,31,58,61,68,69,71]

PCIE_MCC_TXP[24]PCIE_MCC_TXN[24]

PCIE_MCC_RXP[24]PCIE_MCC_RXN[24]

PCIE_CLK_MCC[24]-PCIE_CLK_MCC[24]

-CLKREQ_MCC[24]

SD_MMC_CLK [56]

VCC3B

VCC3_MCVCC3M

VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

55 99Monday, June 14, 2010

1394/MEDIA CARD CONTROLLERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

55 99Monday, June 14, 2010

1394/MEDIA CARD CONTROLLERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

55 99Monday, June 14, 2010

1394/MEDIA CARD CONTROLLERNOZOMI-3 SWG SDV2

C

L

H

HL

L

TABLE

MEDIA I/F SD/MMC

MFIO00MFIO01MFIO02MFIO03MFIO04MFIO05MFIO06MFIO07MFIO08MFIO09MFIO10MFIO11MFIO12MFIO13MFIO14MFCD0#MFCD1#

(No Card)SD Card/MMCMemoryStickXD Card

MEMORSTICK XD

UDIO Pin Assignment TableUDIO Default

SCL/SROM_ENSDA

010203

CLKREQ#

SDWP#SD_D1SD_D0(SD_D7)(SD_D6)SD_CLK

(SD_D5)SD_CMD(SD_D4)SD_D3SD_D2

SDCD#

MSBS

MS_D1

(MS_D5)MS_D0

(MS_D4)MS_D2(MS_D6)MS_D3

(MS_D7)MS_CLK

MSINS#

XD_D7XD_D6XD_D5XD_D4XD_D3XD_D2XD_D1XD_D0XD_WP#XD_WE#XD_ALEXD_CLEXD_CE#XD_RE#XD_R/B#XDCD0#XDCD1#

MFCDxN Detection TableMFCDxN1 Card Type0HHL

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC048

C439 0.1UF_10V 1005_X5R_KC439 0.1UF_10V 1005_X5R_K1 2

R98

8

56_1

%10

05_1

/16

w

R98

8

56_1

%10

05_1

/16

w1

2

C44

0

0.1U

F_1

0V

1005

_X5R

_KC

440

0.1U

F_1

0V

1005

_X5R

_K1

2

R99

8

56_1

%10

05_1

/16

w

R99

8

56_1

%10

05_1

/16

w1

2

R985 220_5%1005_1/16 w

R985 220_5%1005_1/16 w

1 2

C39

91500

PF

_50V

1005

_X7R

_KC

39915

00P

F_5

0V10

05_X

7R_K

12

C87

19P

F_5

0V10

05_N

PO

_+/-

0.25

PF

C87

19P

F_5

0V10

05_N

PO

_+/-

0.25

PF

12

R36

2

47k_

5%

1005

_1/1

6 w

R36

2

47k_

5%

1005

_1/1

6 w

12

C256 0.1UF_10V 1005_X5R_KC256 0.1UF_10V 1005_X5R_K1 2

C215 8PF_50V 1005_NPO_+/-0.25PF NAC215 8PF_50V 1005_NPO_+/-0.25PF NA1 2C

247

10U

F_6

.3V 16

08_X

5R_M

C24

7

10U

F_6

.3V 16

08_X

5R_M

12

C9330.33UF_10V1005_X5R_K

C9330.33UF_10V1005_X5R_K

12

R99

7

5.1K

_1%

1005

_1/1

6 w

R99

7

5.1K

_1%

1005

_1/1

6 w

12

C89

41U

F_1

0V10

05_X

5R_K

NA

C89

41U

F_1

0V10

05_X

5R_K

NA

12

R99

9

56_1

%10

05_1

/16

w

R99

9

56_1

%10

05_1

/16

w1

2

R98

9

56_1

%10

05_1

/16

w

R98

9

56_1

%10

05_1

/16

w1

2

C93

6

0.1U

F_1

0V

1005

_X5R

_KC

936

0.1U

F_1

0V

1005

_X5R

_K1

2

C89

1

270P

F_5

0V10

05_N

PO

_ J

C89

1

270P

F_5

0V10

05_N

PO

_ J

12

C858 1UF_10V 1005_X5R_KC858 1UF_10V 1005_X5R_K1 2

C87

79P

F_5

0V10

05_N

PO

_+/-

0.25

PF

C87

79P

F_5

0V10

05_N

PO

_+/-

0.25

PF

12

R673 33_5% 1005_1/16 wR673 33_5% 1005_1/16 w1 2

Y7

FCX04_24R576M

Y7

FCX04_24R576M

34

21

C46

41U

F_1

0V10

05_X

5R_K

NA

C46

41U

F_1

0V10

05_X

5R_K

NA

12

C94

010

00P

F_5

0V10

05_X

7R_

K

NA

C94

010

00P

F_5

0V10

05_X

7R_

K

NA

12

C44

60.

1UF

_10V

1005_X5R_K

C44

60.

1UF

_10V

1005_X5R_K

12

R3715.1K_1%1005_1/16 w

R3715.1K_1%1005_1/16 w

12

C26

9

0.1U

F_1

0V

1005

_X5R

_KC

269

0.1U

F_1

0V

1005

_X5R

_K1

2

C26

6

0.1U

F_1

0V

1005

_X5R

_KC

266

0.1U

F_1

0V

1005

_X5R

_K1

2

C9390.01UF_25V1005_X7R_K

NA

C9390.01UF_25V1005_X7R_K

NA

12

C45

4

0.1U

F_1

0V

1005

_X5R

_KC

454

0.1U

F_1

0V

1005

_X5R

_K1

2

C43

5

0.1U

F_1

0V

1005

_X5R

_KC

435

0.1U

F_1

0V

1005

_X5R

_K1

2

R95

6

10k_

5%

1005

_1/1

6 w

R95

6

10k_

5%

1005

_1/1

6 w

12

R3730_5%1608_1/10 w

R3730_5%1608_1/10 w

12

C26

80.02

2UF

_25V

1005

_X7R

_KC

2680.

022U

F_2

5V10

05_X

7R_K

12

C46

5

0.1U

F_1

0V

1005

_X5R

_KC

465

0.1U

F_1

0V

1005

_X5R

_K1

2

Q124DTC115TEQ124DTC115TE

2

31

U34

R5U232_QFN48AP

U34

R5U232_QFN48AP

UDIO344 UDIO245UDIO146

PCIE_VOUT013

PCIE_VOUT132

PCIE_VIN019

PCIE_VIN123

REFCLKP14

REFCLKN15

TXP20

TXN21

RXP16

RXN18

PERST#10

RXC17

CPO22

RREF24

SD18C 30

MFIO0 25

MFIO1 26

MFIO2 27

MFIO3 28

MFIO4 29

MFIO5 31

MFIO6 33

MFIO7 34

MFIO8 35

MFIO9 38

MFIO10 39

MFIO11 40

MFIO12 41

MFIO13 42

MFIO14 43

MFCD0# 8

MFCD1# 9

TPAP0 2

TPAN0 3

TPBP0 4

TPBN0 5

TPBIAS0 1

XI 6

XO 7

GN

D(B

OT

TO

M)

49

TE

ST

11

VC

C3V

_012

VC

C3V

_137

AV

CC

_3V

48

PCIE_VOUT247

MF_VOUT 36

Page 56: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

MFIO02MFIO01MFIO11MFIO10

MFIO08SD_MMC_CMD

MFIO00-MFCD0

MFIO02 [55]MFIO01 [55]MFIO11 [55]MFIO10 [55]

MFIO08 [55]

MFIO00 [55]-MFCD0 [55]

SD_MMC_CLK [55]

VCC3_MC

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

56 99Monday, June 14, 2010

MEDIA CARD INTERFACENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

56 99Monday, June 14, 2010

MEDIA CARD INTERFACENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

56 99Monday, June 14, 2010

MEDIA CARD INTERFACENOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC048

C86347UF_6.3V3216_PSLA0J476M

C86347UF_6.3V3216_PSLA0J476M

12

J23

ALPS SCDAAA0100

J23

ALPS SCDAAA0100

GND113

GND214

GND315

GND416

DAT3 1

CMD 2

VSS1 3

VDD 4

CLK 5

VSS2 6

DAT0 7

DAT1 8

DAT2 9

CD# 10

COMMON 11

WP 12NC117

NC218

R670 0_5% 1005_1/16 wR670 0_5% 1005_1/16 w1 2

C84

50.

01U

F_2

5V

1005

_X7R

_KC

845

0.01

UF

_25V

1005

_X7R

_K12

Page 57: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-CPUSB

CC_CLKCC_DATA

-PCIE_WAKE

-PERST

-CPPE-PCIE_CLK_EXCPCIE_CLK_EXC

PCIE_EXC_RXNPCIE_EXC_RXP

PCIE_EXC_TXNPCIE_EXC_TXP

EXC_PWRG

-CLKREQ_EXC

USBP5-_CONNUSBP5+_CONN USBP5+_CONN_R USBP5+

USBP5-

USBCC+USBCC-

USB_CC_SEL

USBP5-_CONN_R

USBP4-_CONNUSBP4+_CONNUSBP4+

USBP4-

-SC_DTCT

-CPUSB [58,62]

CC_CLK [62]CC_DATA [62]

-PCIE_WAKE [25,54,68]

-PERST [58]

-CPPE [58]-PCIE_CLK_EXC [24]PCIE_CLK_EXC [24]

PCIE_EXC_RXN [24]PCIE_EXC_RXP [24]

PCIE_EXC_TXN [24]PCIE_EXC_TXP [24]

EXC_PWRG[58]

-CLKREQ_EXC [24]

USBP5+ [27]USBP5- [27]

USBCC+ [54]USBCC- [54]

USB_CC_SEL[54,68]

USBP4+[27]USBP4-[27]

-SC_DTCT[27]

VCC1R5_EXC VCC3AUX_EXC VCC3_EXC

VCC3AUX_EXC VCC3M

VCC3M

VCC3M

VCC5B VCC5B

VCC1R5_EXCVCC3AUX_EXCVCC3_EXC

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

57 99Monday, June 14, 2010

EXPRESS CARD/SMART CARD I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

57 99Monday, June 14, 2010

EXPRESS CARD/SMART CARD I/FNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

57 99Monday, June 14, 2010

EXPRESS CARD/SMART CARD I/FNOZOMI-3 SWG SDV2

C

PLACE NEAR J28

LOGIC

TABLE

CONSTANTCONNECT

U84

VER.2 VER.1/NO

ASM NO_ASM

ASM

ASM

NO_ASM

NO_ASM

R653

R659

PLACE NEARPCMCIA SOCKET

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC107

R795 0_5% 1005_1/16 wR795 0_5% 1005_1/16 w1 2

R72

4

10k_

5% 1005

_1/1

6 w

R72

4

10k_

5% 1005

_1/1

6 w

12

R653 0_5%1005_1/16 w

R653 0_5%1005_1/16 w1 2

J28

TYCO 2023385_1

J28

TYCO 2023385_1

PGND228PGND127

+1.5V_1 9

GND1 1

USBD- 2

CPUSB# 4

RESERVED1 5

RESERVED2 6

SMBCLK 7

SMBDATA 8

+1.5V_2 10

WAKE# 11

+3.3VAUX 12

PERST# 13

+3.3V_1 14

+3.3V_2 15

CLKREQ# 16

CPPE# 17

REFCLK- 18

GND2 20

PERXN0 21

PERXP0 22

GND3 23

PETXN0 24

PETXP0 25

GND4 26

USBD+ 3

REFCLK+ 19

R72

9

100K

_5% 10

05_1

/16

w

NA

R72

9

100K

_5% 10

05_1

/16

w

NA

12

R798 0_5%1005_1/16 w

R798 0_5%1005_1/16 w1 2

U84

PI3USB10LP_AZMENA

U84

PI3USB10LP_AZMENA

SEL10

OE#8

D+3

D-5

D+B 2

D-B 6

D-A 7D+A 1V

CC

9G

ND

4

R59910k_5%1005_1/16 w

R59910k_5%1005_1/16 w

12

C2650.1UF_10V1005_X5R_K

C2650.1UF_10V1005_X5R_K

12

C8000.1UF_10V1005_X5R_K

C8000.1UF_10V1005_X5R_K

12

R73

0

100K

_5% 10

05_1

/16

w

NA

R73

0

100K

_5% 10

05_1

/16

w

NA

12

R797 0_5%1005_1/16 w

R797 0_5%1005_1/16 w1 2

D81RCLAMP0502BNA

D81RCLAMP0502BNA

213

R659 0_5%

1005_1/16 w

R659 0_5%

1005_1/16 w

1 2

R72

7

10k_

5% 1005

_1/1

6 w

R72

7

10k_

5% 1005

_1/1

6 w

12

J18

HIROSE_DF12L_3R0_10DP_0R5V_86

J18

HIROSE_DF12L_3R0_10DP_0R5V_86

3579

42

6810

1

11 1213 14

R73

7

10k_

5% 1005

_1/1

6 w

NA

R73

7

10k_

5% 1005

_1/1

6 w

NA

12

C2640.1UF_10V1005_X5R_K

C2640.1UF_10V1005_X5R_K

12

C410.1UF_10V1005_X5R_K

C410.1UF_10V1005_X5R_K1

2

R796 0_5% 1005_1/16 wR796 0_5% 1005_1/16 w1 2

Q742SK3541

Q742SK3541

32

1

Page 58: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-CPPE-CPUSB

-PLTRST_NEAR

-EXC_PWR_SHDN

-EXC_PWR_STBY

B_ON

-PERST

EXC_PWRG

-CPPE[57]-CPUSB[57,62]

-PLTRST_NEAR[27,31,55,61,68,69,71]

-EXC_PWR_SHDN[61]

B_ON[71,77,84,87,91,95]

-EXC_PWR_STBY[68]

-PERST [57]

EXC_PWRG [57]

VCC3M

VCC1R5BVCC3M VCC1R5_EXC VCC3_EXC VCC3AUX_EXC

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

58 99Monday, June 14, 2010

SLOT POWER CONTROLNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

58 99Monday, June 14, 2010

SLOT POWER CONTROLNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

58 99Monday, June 14, 2010

SLOT POWER CONTROLNOZOMI-3 SWG SDV2

C

LOGIC

TABLE

CONSTANTCONNECT

U48

VER.2/VER.1 NO

BD4156MUVTPS2231MRGPR-3

NO_ASMR1501 ASM

TPS2231MRGPRBD4156MUVW83L351YG

LOGIC

TABLE

CONSTANTCONNECT

D42

YES NO

ASM NO_ASM

ASMNO_ASM

R898

R537

ASM NO_ASM

U48

BD4156MUV

U48

BD4156MUV

GND1 7

NC 19

RCLKEN 18

PERST# 8

V3AUX 15

V3_2 5V3_1 3

V15_2 13V15_1 11

TEST16

CPPE#10

V3AUX_IN17 V3_IN24V3_IN12

V15_IN214V15_IN112

EN20

CPUSB#9

SYSR1

PERST_IN#6

GN

D2

21 C3821UF_10V

1005_X5R_K

C3821UF_10V

1005_X5R_K

12

D42

DAN222

D42

DAN222

312

C3201000PF_50V1005_X7R_ K

C3201000PF_50V1005_X7R_ K

12

C3841000PF_50V1005_X7R_ K

C3841000PF_50V1005_X7R_ K

12

C3221000PF_50V1005_X7R_ K

C3221000PF_50V1005_X7R_ K

12R898

20K_5%1005_1/16 w

R89820K_5%1005_1/16 w

12

C3061UF_10V

1005_X5R_K

C3061UF_10V

1005_X5R_K

12

R15

01

10k_

5%

1005

_1/1

6 w

R15

01

10k_

5%

1005

_1/1

6 w

12

C2711UF_10V1005_X5R_K

C2711UF_10V1005_X5R_K1

2

C2752.2UF_10V

1608_X5R_K

C2752.2UF_10V

1608_X5R_K

12

R537 0_5%1005_1/16 w

NAR537 0_5%

1005_1/16 w

NA1 2

C2700.01UF_25V1005_X7R_K

C2700.01UF_25V1005_X7R_K1

2

Page 59: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SPI_MISO_RSPI_MOSI_RSPI_CLK_R

SPI_MOSISPI_CLK

SPI_MISO

-SPI_CS0 -SPI_CS0_R

-SPI_HOLD

-SPI_WP

SPI_MISO[23]SPI_MOSI[23]SPI_CLK[23]-SPI_CS0[23]

VCC3LAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

59 99Monday, June 14, 2010

SPI FLASHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

59 99Monday, June 14, 2010

SPI FLASHNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

59 99Monday, June 14, 2010

SPI FLASHNOZOMI-3 SWG SDV2

C

LOGIC

TABLE

AMTRPAT

U49

YESYES

NOYES

NONO

8MB 8MB 4MB

8MB SOIC8MACRONIX MX25L6436EM2I-10GWINBOND W25Q64BVSSIGWINBOND W25Q64CVSSIG

8MB WSON8NUMONYX M25PX64-VMD6TG

4MB SOIC8MACRONIX MX25L3236DM2I-10GWINBOND W25Q32BVSSIGNUMONYX M25PX32-VMW6F

TABLE

SF100 PIN HEADER INTERFACE (TOP VIEW)

1357

VCCCS#MISO(KEY)

GNDR681.2R674.2N/A

D12.1R322.2R694.2N/A

GNDCLKMOSI(RESET)

2468

TABLE

EM100 PIN HEADER INTERFACE (TOP VIEW)

13579

(CS1#)VCCHOLD0#CLKMOSI

(HOLD1#)CS0#MISOWP0#GND

246810

CNV_EC009

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC083

NZM3_SWG_SDV2_EC088

C62

9

0.1U

F_1

0V

1005

_X5R

_KC

629

0.1U

F_1

0V

1005

_X5R

_K1

2

D12RB520S_30D12RB520S_30

21

J14

CON HEADER_2X4_DIP

NAJ14

CON HEADER_2X4_DIP

NA

1357

2468

C42

9

0.1U

F_1

0V

1005

_X5R

_KC

429

0.1U

F_1

0V

1005

_X5R

_K1

2

R322 33_5% 1005_1/16 wR322 33_5% 1005_1/16 w1 2

J27

CON HEADER_2X5_DIP

NAJ27

CON HEADER_2X5_DIP

NA1357

2468

9 10

R694 33_5% 1005_1/16 wR694 33_5% 1005_1/16 w1 2R674 33_5% 1005_1/16 wR674 33_5% 1005_1/16 w1 2

R70

6

3.3K

_5%

1005

R70

6

3.3K

_5%

1005

12 R

703

3.3K

_5%

1005

R70

3

3.3K

_5%

1005

12

R681 33_5% 1005_1/16 wR681 33_5% 1005_1/16 w1 2

U49

W25Q64CVSSIG

U49

W25Q64CVSSIG

-CS 1

-WP 3SCLK6

SI5

SO2

GN

D1

4V

CC

8

-HOLD 7

GND2 9

Page 60: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DOCK_MDI_0+DOCK_MDI_0-

DOCK_MDI_1+DOCK_MDI_1-

DOCK_MDI_2+DOCK_MDI_2-

DOCK_MDI_3+DOCK_MDI_3-

-DOCK_HPOUT_DTCT-DOCK_MICIN_DTCT

DOCKB_AUXNDOCKB_AUXP

DOCK_HP_OUT_RDOCK_HP_OUT_L

DOCK_MIC_IN_L

DOCKID0DOCKID1DOCKID2

ACDC_ID

DDCCLK_CONNDDCDATA_CONN

CRT_VSYNC_DOCKCRT_HSYNC_DOCK

CRT_BLUE_DOCK

CRT_GREEN_DOCK

CRT_RED_DOCK

-RJ45_ACTIVITY_DOCK-RJ45_LINKUP_DOCK

S2_DRVS1_DRV

I2C_CLK_BT1_DOCKI2C_DATA_BT1_DOCK

S_TEMP_DOCK-DOCK_EVENT

-SLICE_EJECT_LEVER

EXTPWRG-PWRON_DOCK

-DOCK_ATTACHED_3B

DOCKB_DP_CLKDOCKA_DP_CLK

-DOCK_ATTACHED_BAT_OP

DISCHARGE2

DISCHARGE

-DOCKED0

DOCKB_DP3NDOCKB_DP3P

DOCKB_DP2NDOCKB_DP2P

DOCKB_DP1NDOCKB_DP1P

DOCKB_DP0NDOCKB_DP0P

DOCKB_DVI_DONGLE_DTCTDOCKB_HPDDOCKB_DP_DATADOCKB_DP_CLK

DOCKA_HPDDOCKA_DVI_DONGLE_DTCT

DOCKA_DP_DATADOCKA_DP_CLK

DOCKA_DP0NDOCKA_DP0P

DOCKA_DP3NDOCKA_DP3P

DOCKA_DP2NDOCKA_DP2P

DOCKA_DP1NDOCKA_DP1P

DOCKA_AUXNDOCKA_AUXP

DOCKB_DP_DATADOCKA_DP_DATA

DOCK_SDADOCK_SCL

DOCK_LED_CTL0DOCK_LED_CTL1

-PWRSHUTDOWN

-DOCK_PWRDCT

-DOCK_ATTACHED_S_BAT-PWRSWITCHDISCHARGE

USBP12-_CONNUSBP12+_CONN

USBP12-USBP12+

SATA4_RXNSATA4_RXP

SATA4_TXNSATA4_TXP

DOCK_CONSUMP

-DOCK_ATTACHED_20

-DOCK_ATTACHED_3M-DOCK_ATTACHED_AUX

-DOCK_ATTACHED_BAT_OP

-DOCK_ATTACHED_20

DOCK_HP_OUT_R[43]DOCK_HP_OUT_L[43]

DOCK_MDI_0+[51]DOCK_MDI_0-[51]

DOCK_MDI_1+[51]DOCK_MDI_1-[51]

DOCK_MDI_2+[51]DOCK_MDI_2-[51]

DOCK_MDI_3+[51]DOCK_MDI_3-[51]

-DOCK_HPOUT_DTCT[45]-DOCK_MICIN_DTCT[45]

DOCK_MIC_IN_L[46]

DOCKB_AUXN[37]DOCKB_AUXP[37]

DOCKID[2..0] [27]

ACDC_ID [61,72]

CRT_VSYNC_DOCK [34]DDCCLK_CONN [34]DDCDATA_CONN [34]

CRT_HSYNC_DOCK [34]

CRT_RED_DOCK [33]

CRT_BLUE_DOCK [33]

CRT_GREEN_DOCK [33]

-RJ45_LINKUP_DOCK [51]-RJ45_ACTIVITY_DOCK [51]

S1_DRV [91]S2_DRV [91]

I2C_CLK_BT1_DOCK [73]I2C_DATA_BT1_DOCK [73]

S_TEMP_DOCK [73]-DOCK_EVENT [62]-SLICE_EJECT_LEVER [62]

EXTPWRG [68]-PWRON_DOCK [68]

-DOCK_ATTACHED_3B [33]

DISCHARGE2 [72]

DOCKB_DP3N[37]DOCKB_DP3P[37]

DOCKB_DP2N[37]DOCKB_DP2P[37]

DOCKB_DP1N[37]DOCKB_DP1P[37]

DOCKB_DP0N[37]DOCKB_DP0P[37]

DOCKB_DVI_DONGLE_DTCT[37]DOCKB_HPD[37]

DOCKB_DP_DATA[37]DOCKB_DP_CLK[37]

DOCKA_HPD[37]DOCKA_DVI_DONGLE_DTCT[37]

DOCKA_DP_DATA[37]DOCKA_DP_CLK[37]

DOCKA_DP0N[37]DOCKA_DP0P[37]

DOCKA_DP3N[37]DOCKA_DP3P[37]

DOCKA_DP2N[37]DOCKA_DP2P[37]

DOCKA_DP1N[37]DOCKA_DP1P[37]

DOCKA_AUXN[37]DOCKA_AUXP[37]

DOCK_SDA [62]DOCK_SCL [62]

DOCK_LED_CTL0 [61]DOCK_LED_CTL1 [61]

-PWRSHUTDOWN [68,72,78,91]

-DOCK_PWRDCT [73]

-DOCK_ATTACHED_S_BAT [73]-PWRSWITCH [31,63,68,71]DISCHARGE [62,91]

SATA4_RXN [23]SATA4_RXP [23]

SATA4_TXN [23]SATA4_TXP [23]

DOCK_CONSUMP [74]

-DOCK_ATTACHED_3M [62]-DOCK_ATTACHED_AUX [51]

-DOCK_ATTACHED_BAT_OP [72,74]

USBP12+ [27]USBP12- [27]

VCC3GBE S-BAT-PWR

VCC3BVCC3B

DCIN_PWR20_F DCIN_PWR20_F VCC3SW

VCC3B

DOCK_DCIN20

VCC3M

DCIN_PWR20_F

DOCK_PWR20

DOCK_PWR20_IN

DOCK_PWR20_IN

S_BAT_IN

AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

60 99Monday, June 14, 2010

DOCKING CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

60 99Monday, June 14, 2010

DOCKING CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

60 99Monday, June 14, 2010

DOCKING CONNECTORNOZOMI-3 SWG SDV2

C

J17 WD3M148UQ-4 5.9H CONNECTOR

CNV_EC019

J17C

CON WD3M148UQ_4

J17C

CON WD3M148UQ_4

FGND6 162FGND5 161FGND4 160FGND3 159FGND2 158FGND1 157

VCC5M156 VCC3M155SBAT2154SBAT1153

PWR20_2150PWR20_1149

GND2152GND1151

NC1 163

NC2 164

R2792.2K_5%1005_1/16 w

R2792.2K_5%1005_1/16 w

12

C66

610

00P

F_5

0V

1005

_X7R

_ K

C66

610

00P

F_5

0V

1005

_X7R

_ K

12

R2290_5%1005_1/16 w

R2290_5%1005_1/16 w

12

C10

8710

00P

F_5

0V

1005

_X7R

_ K

C10

8710

00P

F_5

0V

1005

_X7R

_ K

12

Q85SI7121DNQ85SI7121DN

123

4

5

C5660.1UF_25V1608_X7R_KNA

C5660.1UF_25V1608_X7R_KNA

12

R7381M_5%1005_1/16 wNA

R7381M_5%1005_1/16 wNA1

2

R657100K_5%1005_1/16 w

R657100K_5%1005_1/16 w

1 2

VOID_84

VOID_88

VOID_92

VOID_98

J17B

CON WD3M148UQ_4

VOID_84

VOID_88

VOID_92

VOID_98

J17B

CON WD3M148UQ_4

GND285

DOCK_PWRDCT# 94

DOCK_DP1_LANE2N81

DOCK_DP1_LANE2P83

DOCK_DP1_LANE1N87

DOCK_DP1_LANE1P89

GND391

DOCK_DP1_LANE0N93

DOCK_DP1_LANE0P95

GND497

DOCK_DP1_DGL_DCT99

DOCK_DP1_HPD101

DOCK_DP1_DDC_DATA103

DOCK_DP1_DDC_CLK105

DOCK_DP0_DGL_DCT107

DOCK_DP0_HPD109

DOCK_DP0_DDC_DATA111

DOCK_DP0_DDC_CLK113

GND5115

DOCK_DP0_AUXN117

DOCK_DP0_AUXP119

GND6121

DOCK_DP0_LANE3N123

DOCK_DP0_LANE3P125

GND7127

DOCK_DP0_LANE2N129

DOCK_DP0_LANE2P131

GND8133

DOCK_DP0_LANE1N135

DOCK_DP0_LANE1P137

GND9139

DOCK_DP0_LANE0N141

DOCK_DP0_LANE0P143

DOCKED2#145

RESERVE1147

DOCK_I2C_CLK 76

DOCK_I2C_DATA 78

DOCK_STATUS_LED_0 80

DOCK_STATUS_LED_1 82

DOCK_DCIN20 86

DOCK_PWRSHUTDOWN# 90

RESERVE2 96

DOCK_PWR_SW# 100

DOCK_DISCHARGE 102

GND10 104

RESERVE3 106

RESERVE4 108

GND11 110

RESERVE5 112

RESERVE6 114

GND12 116

DOCK_USB_SS_RXN 118

DOCK_USB_SS_RXP 120

GND13 122

DOCK_USB_SS_TXN 124

DOCK_USB_SS_TXP 126

GND14 128

DOCK_USB_HS 130

DOCK_USB_HS_P 132

GND15 134

DOCK_SATA_RXN 136

DOCK_SATA_RXP 138

GND16 140

DOCK_SATA_TXN 142

DOCK_SATA_TXP 144

DOCKED1# 146

DOCK_CONSUMP 148

GND179 DOCK_DP1_LANE3P77DOCK_DP1_LANE3N75

Q44

2SK3541NA

Q44

2SK3541NA

32

1

D21SS400GD21SS400G1 2

R236 47k_5%1005_1/16 w

R236 47k_5%1005_1/16 w

1 2

R11381K_5%

1005_1/16 w

R11381K_5%

1005_1/16 w

1 2

D26

RB520S_30

NA

D26

RB520S_30

NA

21

R2301M_5%1005_1/16 wNA

R2301M_5%1005_1/16 wNA

12

D1011SS400G

D1011SS400G

1 2

R2452.2K_5%

1005_1/16 w

R2452.2K_5%

1005_1/16 w

12

R8580_5%1005_1/16 w

R8580_5%1005_1/16 w

12

C6331000PF_50V1005_X7R_ K

C6331000PF_50V1005_X7R_ K

1 2

C5504.7UF_6.3V1608_X5R_KNA

C5504.7UF_6.3V1608_X5R_KNA

12

R7391M_5%1005_1/16 wNA

R7391M_5%1005_1/16 wNA

12

VOID_33VOID_35

VOID_25VOID_27VOID_29VOID_31

VOID_19

VOID_13

VOID_7

VOID_1

J17A

CON WD3M148UQ_4

VOID_33VOID_35

VOID_25VOID_27VOID_29VOID_31

VOID_19

VOID_13

VOID_7

VOID_1

J17A

CON WD3M148UQ_4

DOCK_ID2 74DOCK_ID1 72DOCK_ID0 70

DOCK_ACDC_ID 68DOCK_CRT_DDCDATA 66DOCK_CRT_DDCCLK 64

DOCK_CRT_VSYNC 62DOCK_CRT_HSYNC 60CRT_GND4 58

DOCK_VGA_BLUE 56CRT_GND3 54DOCK_VGA_GREEN 52CRT_GND2 50

DOCK_VGA_RED 48CRT_GND1 46DOCK_RK45_CENTER_TAP 44

DOCK_RJ45_LED_EN 42DOCK_RJ45_ACT_LED# 40DOCK_RJ45_LINK_LED# 38

DOCK_MICROP_FLASHUP# 36DOCK_BAY_ATTACH# 34DOCK_BAY_EJECT# 32

DOCK_BAYLED 28

DOCK_BAT_GATE_ON2 24

DOCK_SBAT_PWR 20DOCK_I2C_DATA_BT_R 18

DOCK_I2C_CLK_BT_R 16DOCK_S_TEMP 14DOCK_EVENT# 12DOCK_EJECT_LEVER# 10

GND2 8DOCK_PWRGOOD 6DOCK_PWRON# 4

DOCKED0# 2

DOCK_HPOUT_L65 DOCK_HPOUT_R63AGND461 DOCK_MICIN59DOCK_DP_DGL_DIS#57AGND355 DOCK_SPKOUT_L53DOCK_SPKOUT_R51 AGND249DOCK_SPK_MUTE47DOCK_SPDIF_DATA45 DOCK_SPDIF_RTN43DOCK_MICIN_DTCT#41 DOCK_HPOUT_DTCT#39AGND137

DOCK_MDI_1P9

DOCK_MDI_0P3

DOCK_MDI_0N5

DOCK_BAT_GATE_ON1 22

DOCK_VCC5MUBAY_DRV 26

DOCK_BAT_MEDIA_EJECT# 30

DOCK_MDI_1N11

DOCK_MDI_2P15

DOCK_MDI_2N17

DOCK_MDI_3P21

DOCK_MDI_3N23

AGND567

DOCK_DP1_AUXN69

DOCK_DP1_AUXP71

GND173

R7790_5%1005_1/16 w

R7790_5%1005_1/16 w

12

R11371K_5%

1005_1/16 w

R11371K_5%

1005_1/16 w

1 2

Q14

2SK3541NA

Q14

2SK3541NA

32

1

Q114

2SK3541NAQ114

2SK3541NA

32

1Q115

2SK3541NAQ115

2SK3541NA

32

1

R228100K_5%1005_1/16 wNA

R228100K_5%1005_1/16 wNA1

2

C76

410

00P

F_5

0V

1005

_X7R

_ K

C76

410

00P

F_5

0V

1005

_X7R

_ K

12

Q71DTC115EEQ71DTC115EE

13

2

R603 100K_5%1005_1/16 w

R603 100K_5%1005_1/16 w

1 2

C240.1UF_25V1608_X7R_K

C240.1UF_25V1608_X7R_K

12

R4292.2K_5%1005_1/16 w

R4292.2K_5%1005_1/16 w

12

R7361M_5%1005_1/16 wNA

R7361M_5%1005_1/16 wNA

12

D61

DAN222

D61

DAN222

3 12

R3752.2K_5%

1005_1/16 w

R3752.2K_5%

1005_1/16 w

12

R73

1

200K

_5%

1005

_1/1

6 w

R73

1

200K

_5%

1005

_1/1

6 w

12

R2321M_5%1005_1/16 wNA

R2321M_5%1005_1/16 wNA

12

R30210k_5%

1005_1/16 w

R30210k_5%

1005_1/16 w

12

R5191M_5%1005_1/16 wNA

R5191M_5%1005_1/16 wNA1

2

R7770_5%1005_1/16 w

R7770_5%1005_1/16 w

12

Page 61: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

LPCCLK_EC_33M

LPC_AD2

-EC_SCI SENSE6SENSE7

SENSE0SENSE1SENSE2SENSE3SENSE4SENSE5

LPC_AD3

BAT_FET_HOT

DOCK_LED_CTL0DOCK_LED_CTL1

-E10RESINISYS

-WLAN_RF_KILL

IRQSER

DRV6DRV7

DRV0DRV1DRV2DRV3DRV4DRV5

-WWAN_DISABLE

-E10RESIN

S_BATVOLT

M_BATVOLTM_TEMP

KBGA20

GSENSE_Y

S_TEMPGSENSE_X

-H8_ETRST

GSENSE_Z

FAN_ID

-EXC_PWR_SHDN

KBDID1

BDC_ON

-VIDEO_THERM_ALERT

-BAY_ATTACH

-CLKRUN-SUS_STAT

KBDID0

-EC_RESET

KBDID2

-EC_RESET

-LPC_FRAME-PLTRST_NEAR

SUSCLK_32K

MPWRG

-E10RESOUT

-VIDEO_THERM_OVERT

-E10RESOUT

LPC_AD0

ACDC_ID

LPC_AD1

-EC_WAKE

DRV14DRV15

DRV8DRV9DRV10DRV11DRV12DRV13

LPCCLK_EC_33M[27]

KBDID1 [63]

-EC_SCI[28]

KBDID2 [63]

ISYS[74]

IRQSER[23,69,71]

-WLAN_RF_KILL[54]-WWAN_DISABLE[54]

BDC_ON[32,54,64]

S_BATVOLT[76]

M_BATVOLT[76]M_TEMP[73]

KBGA20[28]

LPC_AD[3..0][23,69,71]

-EXC_PWR_SHDN[58]

GSENSE_Y[67]

S_TEMP[73]GSENSE_X[67]

KBDID0 [63]

DRV[15..0] [63]

GSENSE_Z[67]

FAN_ID[66]

DOCK_LED_CTL0 [60]DOCK_LED_CTL1 [60]

-EC_RESET [68,74]

-VIDEO_THERM_ALERT [18]

-BAY_ATTACH[40]

-VIDEO_THERM_OVERT [18]

-CLKRUN[25,69,71]-SUS_STAT[25,71]

BAT_FET_HOT[73]

-LPC_FRAME[23,69,71]

SUSCLK_32K[25,68]

-PLTRST_NEAR[27,31,55,58,68,69,71]SENSE[7..0] [63]

ACDC_ID[60,72]

-EC_WAKE[23]

MPWRG [11,25,31,64,68,74,91]

VCC3B

VCC3M

VCC3M

VCC3M

VCC3M

VCC3M

VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

61 99Monday, June 14, 2010

H8S/2113 (1/2)NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

61 99Monday, June 14, 2010

H8S/2113 (1/2)NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

61 99Monday, June 14, 2010

H8S/2113 (1/2)NOZOMI-3 SWG SDV2

C

P/N 41A1205MURATA CSTCE10M0G55-R0TDK CCR10.0MXC8T

R971D58D69R289R327

R283R287

R881R218

RN25

NO_ASM ASM ASM ASM ASM

ASMNO_ASM

ASMNO_ASM

NO_ASM

TABLE

E10A DEBUG I/F

R955D75R831

ENABLE DISABLE(FINAL LOGIC)

NO_ASM ASM ASM

PLACE NEAR H8

ASM

LOGIC

NO_ASM ASM

DO NOT MOVE

NO_ASM ASM

NEAR H8S2112SHORT PATTERN.NO PATTERN UNDERTHIS AREA.

ASMNO_ASMNO_ASMNO_ASMNO_ASM

ASMNO_ASM ASM

NZM3_SWG_SDV2_EC078

NZM3_SWG_SDV2_EC106

NZM3_SWG_SDV2_EC106

NZM3_SWG_SDV2_EC109

TP30

TE

ST

PA

D_1

P0

TP30

TE

ST

PA

D_1

P0

1

R88

4

10k_

5%

1005

_1/1

6 w

R88

4

10k_

5%

1005

_1/1

6 w1

2R28

3

10k_

5%

1005

_1/1

6 w

NA

R28

3

10k_

5%

1005

_1/1

6 w

NA

12

R288 10_5%1005_1/16 w

R288 10_5%1005_1/16 w

1 2

D69 RB521S_30NAD69 RB521S_30NA

12

R93

8

100K

_5%

1005

_1/1

6 w

R93

8

100K

_5%

1005

_1/1

6 w1

2

R25

8

10k_

1%

1005

_1/1

6 w

R25

8

10k_

1%

1005

_1/1

6 w1

2

C20

00.1U

F_1

0V

1005

_X5R

_KC

2000.

1UF

_10V

1005

_X5R

_K1

2

C2910.1UF_25V1608_X7R_K

C2910.1UF_25V1608_X7R_K

12

D75DAP222NA

D75DAP222NA

312

C29

40.1U

F_1

0V 1005

_X5R

_KC

2940.

1UF

_10V 10

05_X

5R_K

12

TP40

TE

ST

PA

D_1

P0

TP40

TE

ST

PA

D_1

P0

1

C2950.01UF_25V1005_X7R_K

C2950.01UF_25V1005_X7R_K

12

R57

1

100K

_5%

1005

_1/1

6 w

NA

R57

1

100K

_5%

1005

_1/1

6 w

NA

12

TP1

TE

ST

PA

D_1

P0

TP1

TE

ST

PA

D_1

P0

1

TP22

TE

ST

PA

D_1

P0

TP22

TE

ST

PA

D_1

P0

1

R93

7

100K

_5%

1005

_1/1

6 w

NA

R93

7

100K

_5%

1005

_1/1

6 w

NA

12

R28

7

10k_

5%

1005

_1/1

6 w

R28

7

10k_

5%

1005

_1/1

6 w1

2

D58 RB521S_30NAD58 RB521S_30NA

12

TP39

TE

ST

PA

D_1

P0

TP39

TE

ST

PA

D_1

P0

1

R32

7

10k_

5%

1005

_1/1

6 w

NA

R32

7

10k_

5%

1005

_1/1

6 w

NA

12

Y4CSTCE10M

Y4CSTCE10M

2

1 3

R955 0_5% 1005_1/16 wR955 0_5% 1005_1/16 w1 2

R28

1

100K

_5%

1005

_1/1

6 w

R28

1

100K

_5%

1005

_1/1

6 w1

2

R93

9

100K

_5%

1005

_1/1

6 w

NA

R93

9

100K

_5%

1005

_1/1

6 w

NA

12

R256220_5%1005_1/16 w

R256220_5%1005_1/16 w

12

R437 1K_5%1005_1/16 w

R437 1K_5%1005_1/16 w

1 2

C29010UF_6.3V

1608_X5R_M

C29010UF_6.3V

1608_X5R_M

12

R69

7

100K

_5%

1005

_1/1

6 w

NA

R69

7

100K

_5%

1005

_1/1

6 w

NA

12

R676 0_5%1005_1/16 wNA

R676 0_5%1005_1/16 wNA

1 2

R25

9

10k_

5%

1005

_1/1

6 w

R25

9

10k_

5%

1005

_1/1

6 w1

2

R57

0

100K

_5%

1005

_1/1

6 w

NA

R57

0

100K

_5%

1005

_1/1

6 w

NA

12

R50031M_5%1005_1/16 w

R50031M_5%1005_1/16 w

12

R14

1

10k_

5%

1005

_1/1

6 w

R14

1

10k_

5%

1005

_1/1

6 w1

2

R568 0_5%1005_1/16 w

R568 0_5%1005_1/16 w

1 2

R971 0_5% 1005_1/16 wR971 0_5% 1005_1/16 w1 2

C29

20.1U

F_1

0V 1005

_X5R

_KC

2920.

1UF

_10V 10

05_X

5R_K

12

R30

01

8.2k

_5%

1005

_1/1

6 w

R30

01

8.2k

_5%

1005

_1/1

6 w

12

U23A

R4F2112VTE25HV

U23A

R4F2112VTE25HV

XTAL143

AV

SS

67

VS

S5

139

VS

S4

111

VS

S3

95V

SS

242

VS

S1

7

VC

L13

VC

C3

86V

CC

236

VC

C1

1

AV

RE

F77

AV

CC

76

ETRST 27

PE4/ETMS 28PE3/ETDO 29PE2/ETDI 30PE1/ETCK 31

PB7/RTS 113PB6/CTS 114PB5/DTR 115

P67/IRQ7/KIN7 85P66/IRQ6/KIN6 84

P65/KIN5 83P64/KIN4 82P63/KIN3 81

P60/KIN0 78

P27 96P26 97P25 98P24 99P23 100P22 101P21 102P20 103

P17/WUE7 104

P14/WUE4 107P13/WUE3 108P12/WUE2 109P11/WUE1 110P10/WUE0 112

PD759PD660 PD561PD462PD3/AN1163 PD2/AN1064PD1/AN965 PD0/AN866

P76/AN674P75/AN573

P73/AN371P72/AN270 P71/AN169P70/AN068

PB1/LSCI119PB0/LSMI120

P83/LPCPD132 P82/CLKRUN131P81/GA20130

P37/SERIRQ128P36/LCLK127 P35/LRESET126P34/LFRAME125P33/LAD3124 P32/LAD2123P31/LAD1122 P30/LAD0121

P96/EXCL18 RES#8

EXTAL144

MD225 MD19

P15/WUE5 106

P16/WUE6 105

NMI11

P61/KIN1 79

P62/KIN2 80

PB4/DSR 116

P74/AN472

P77/AN775

TP20

TE

ST

PA

D_1

P0

TP20

TE

ST

PA

D_1

P0

1

R83

1

10k_

5%

1005

_1/1

6 w

R83

1

10k_

5%

1005

_1/1

6 w1

2

TP10

TE

ST

PA

D_1

P0

TP10

TE

ST

PA

D_1

P0

1

C46

70.1U

F_1

0V

1005

_X5R

_K

NA

C46

70.1U

F_1

0V

1005

_X5R

_K

NA

12

R28

9

10k_

5%

1005

_1/1

6 w

NA

R28

9

10k_

5%

1005

_1/1

6 w

NA

12

R439 1K_5%1005_1/16 w

R439 1K_5%1005_1/16 w

1 2

R94

2

100K

_5%

1005

_1/1

6 w

R94

2

100K

_5%

1005

_1/1

6 w1

2

Page 62: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

IPDCLKIPDDATA

-CPUSB-PWRSW_EC

CC_CLKCC_DATAI2C_CLK_BT1I2C_DATA_BT1

DOCK_SCLDOCK_SDA

EC_SDA2EC_SCL2

EC_SPKR

FAN_ONBATMON_EN

-PCH_SLP_S5

-DOCK_ATTACHED_3M

VIDEO_IDSAPWRG

-KBRC

BPWRG

DISCHARGE

CHARGE_CURRENT_SEL

-BEEP_ENABLE

DOCK_SCLI2C_CLK_BT0I2C_CLK_BT1DOCK_SDAI2C_DATA_BT0I2C_DATA_BT1

-CLKREQ_GBE

-BATLOW

PROCHOT_EC

-EXTPWR-PWRSW-HOTKEY

-PCH_SLP_S3LID_SWITCH

HP_JACK_INGLOBAL_WL_DISABLE

-SPK_MUTE-MUTE

FAN_FRQ_ASIC-MISCSMI-90W_AC-LPMODE

-LEDMICMUTE-LEDCPSLOCK

POA_ACTIVE

LEDPWRKBD_LIGHT_ON-GSENSE_ONGSENSE_TSTECSPI_MOSI

ECSPI_CLK-ECSPI_SS

I2C_DATA_BT0

ECSPI_MISO

I2C_CLK_BT0

-SLICE_EJECT_LEVER-BAY_MEDIA_EJECT

PECI

PROCHOT_EC

-LPMODE

IPDCLK[64]

-PWRSW_EC[25]

SAPWRG[90]IPDDATA[64]

-CPUSB[57,58]

CC_CLK[57]CC_DATA[57]

I2C_CLK_BT1[73]I2C_DATA_BT1[73]

-BEEP_ENABLE[48]DOCK_SCL[60]DOCK_SDA[60]

EC_SDA2[24,70]EC_SCL2[24,70]

-KBRC[28]EC_SPKR[48]

-BATLOW[25]FAN_ON[66,68]

BATMON_EN[76]CHARGE_CURRENT_SEL[74]

-PCH_SLP_S5[25,31,68]

DISCHARGE[60,91]-CLKREQ_GBE[24,50]

-DOCK_ATTACHED_3M[60]

BPWRG[11,25,31,68,70,71,91,94]

-EXTPWR [68,74,91]-PWRSW [68]-HOTKEY [63]

-PCH_SLP_S3 [25,31,64,68,78]LID_SWITCH [32]

HP_JACK_IN [44]GLOBAL_WL_DISABLE [65]

-SPK_MUTE [43]-MUTE [48]

FAN_FRQ_ASIC [68]-MISCSMI [68]-90W_AC [74]-LPMODE [74]

-LEDMICMUTE [63]-LEDCPSLOCK [63]

POA_ACTIVE [64]

LEDPWR [63]KBD_LIGHT_ON [32]-GSENSE_ON [67]GSENSE_TST [67]ECSPI_MOSI [68]

ECSPI_CLK [68]-ECSPI_SS [68]

I2C_DATA_BT0 [73]

ECSPI_MISO [68]

I2C_CLK_BT0 [73]

-SLICE_EJECT_LEVER [60]-BAY_MEDIA_EJECT [40]

PECI [4,28]

-PROCHOT [4,79]

-DOCK_EVENT[60]

VCC3M VCC3BVCC3B

VCC3M

VCC3M

VCC3M VCC3B

VCC1R05B_VTT

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

62 99Monday, June 14, 2010

H8S/2113 (2/2)NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

62 99Monday, June 14, 2010

H8S/2113 (2/2)NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

62 99Monday, June 14, 2010

H8S/2113 (2/2)NOZOMI-3 SWG SDV2

C

LOGIC

TABLE

GFX

R424

EXT. INT.

ASM ASMNO_ASMR263NO_ASM

NZM3_SWG_SDV2_EC033

NZM3_SWG_SDV2_EC033

NZM3_SWG_SDV2_EC033

NZM3_SWG_SDV2_EC033

NZM3_SWG_SDV2_EC077

NZM3_SWG_SDV2_EC106

NZM3_SWG_SDV2_EC106

NZM3_SWG_SDV2_EC106

NZM3_SWG_SDV2_EC106

NZM3_SWG_SDV2_EC106

R1004 0_5% 1005_1/16 w NAR1004 0_5% 1005_1/16 w NA1 2

U23B

R4F2112VTE25HV

U23B

R4F2112VTE25HV

PA2/KIN10/PS2AC39

PA3/KIN11/PS2AD38

PA4/KIN12/PS2BC37

PA5/KIN13/PS2BD35

PA6/KIN1434

PA7/KIN1533

P97/IRQ15/SDA017

PG5/ExIRQ13/SCLC53

PG4/ExIRQ12/SDAC54

P86/IRQ5/SCK1135

P42/TCMCYI1138

PG7/ExIRQ15/SCLD51

PG6/ExIRQ14/SDAD52

PG2/ExIRQ10/SDAB56

PG3/ExIRQ11/SCLB55

P45/PWMU3B/TCMCKI2/TCMMCI24

P46/PWMU4B5

P47/PWMU5B6

P50/FTxD16

P80/PME129

P84/IRQ3/TXD1133

P85/IRQ4/RXD1134

P90/IRQ2 24

P91/IRQ1 23

P93/IRQ12 21

P94/IRQ13 20

PA1/KIN9/PS2DD 40

PB2/RI/PWMU0B 118

PC0/TIOCA0/WUE8 94

PC1/TIOCB0/WUE9 93

PC2/TIOCC0/TCLKA/WUE10 92

PC3/TIOCD0/TCLKB/WUE11 91

PC4/TIOCA1/WUE12 90

PC5/TIOCB1/TCLKC/WUE13 89

PC6/TIOCA2/WUE14 88

PC7/TIOCB2/TCLKD/WUE15 87

PE0/ExEXCL 32

PF3/IRQ11/TMOX 47

PF4/PWMU2A/SPIDO 46

PF5/PWMU3A/SPIDI 45

PF7/PWMU5A/SPISS 43

PG0/ExIRQ8/TMIX/SDAA 58

PG1/ExIRQ9/TMIY/SCLA 57

PH0/EXIRQ6 10

PH1/ExIRQ7/TDPCKI2 12

VCC 142

P52/SCL014PA0/KIN8/PS2DC 41

P95/IRQ14 19

PB3/DCD/PWMU1B 117

PF1/IRQ9/PWMU1A 49

PF2/IRQ10/TMOY 48

P92/IRQ0 22

PF0/IRQ8/PWMU0A 50

PEVREF 141

P43/TMI1/TZCMCKI1/TCMMCI12

P41/TMO0/TCMCKI0/TCMMCI0137

P44/TMO1/PWMU2B/TCMCYI23

P40/TMCI0/TCMCYI0136

PF6/PWMU4A/SPICK 44

VBAT 26

PECI 140

P51/FRxD15

R412 33_5% 1005_1/16 wR412 33_5% 1005_1/16 w1 2

R93

5

100K

_5%

1005

_1/1

6 w

R93

5

100K

_5%

1005

_1/1

6 w

12

R3954.7K_5%

1005

_1/1

6 w

R3954.7K_5%

1005

_1/1

6 w

12

R424100K_5%1005_1/16 w

R424100K_5%1005_1/16 w

12

C19

6

220P

F_5

0V 1005

_NP

O_

JC

196

220P

F_5

0V 1005

_NP

O_

J1

2

RN54RP 4.7k_ 5%1005 x 4_1/32 w

RN54RP 4.7k_ 5%1005 x 4_1/32 w

1357

2468

R575 100K_5%1005_1/16 w

NAR575 100K_5%

1005_1/16 w

NA1 2

R1035 0_5% 1005_1/16 w NAR1035 0_5% 1005_1/16 w NA1 2

R10080_5%1005_1/16 w

NA

R10080_5%1005_1/16 w

NA

12

R1036 0_5% 1005_1/16 wR1036 0_5% 1005_1/16 w1 2

R572 20K_5%1005_1/16 w

R572 20K_5%1005_1/16 w

1 2

R92

2

100K

_5%

1005

_1/1

6 w

NA

R92

2

100K

_5%

1005

_1/1

6 w

NA

12

R92

6

100K

_5%

1005

_1/1

6 w

NA

R92

6

100K

_5%

1005

_1/1

6 w

NA

12

R892 560_5% 1005_1/16 wR892 560_5% 1005_1/16 w1 2

R581 100K_5%1005_1/16 w

NAR581 100K_5%

1005_1/16 w

NA1 2

R10

42

10k_

5%

1005

_1/1

6 w

R10

42

10k_

5%

1005

_1/1

6 w

12

R27

7

20K

_5%

1005

_1/1

6 w

R27

7

20K

_5%

1005

_1/1

6 w

12

R92

4

10k_

5%

1005

_1/1

6 w

R92

4

10k_

5%

1005

_1/1

6 w

12

R1014 100K_5%1005_1/16 w

R1014 100K_5%1005_1/16 w

1 2

R91

9

10k_

5%

1005

_1/1

6 w

R91

9

10k_

5%

1005

_1/1

6 w

12

R218100K_5%1005_1/16 w

NA

R218100K_5%1005_1/16 w

NA

12

R3964.7K_5%

1005

_1/1

6 w

R3964.7K_5%

1005

_1/1

6 w

12

D7 RB521S_30D7 RB521S_3012

R335 0_5% 1005_1/16 wR335 0_5% 1005_1/16 w1 2R

443

100K

_5%

1005

_1/1

6 w

R44

3

100K

_5%

1005

_1/1

6 w

12

R92

3

100K

_5%

1005

_1/1

6 w

R92

3

100K

_5%

1005

_1/1

6 w

12

R55210k_5%1005_1/16 w

R55210k_5%1005_1/16 w

12

R89

110

0K_5

%

1005

_1/1

6 w

R89

110

0K_5

%

1005

_1/1

6 w

12

R10

41

10k_

5%

1005

_1/1

6 w

NA

R10

41

10k_

5%

1005

_1/1

6 w

NA

12

R252 1K_5% 1005_1/16 wR252 1K_5% 1005_1/16 w1 2

R909 8.2k_5%1005_1/16 w

R909 8.2k_5%1005_1/16 w

1 2

R1005 0_5% 1005_1/16 w NAR1005 0_5% 1005_1/16 w NA1 2

R346100K_5%1005_1/16 w

R346100K_5%1005_1/16 w

12

R269 560_5% 1005_1/16 wR269 560_5% 1005_1/16 w1 2

R263100K_5%1005_1/16 w

NA

R263100K_5%1005_1/16 w

NA

12

R90610k_5%1005_1/16 w

R90610k_5%1005_1/16 w

12

Q133

2SK3541

Q133

2SK3541

32

1

R990100K_5%1005_1/16 w

R990100K_5%1005_1/16 w

12

R88

1

47k_

5%

1005

_1/1

6 w

NA

R88

1

47k_

5%

1005

_1/1

6 w

NA

12

C18

8

220P

F_5

0V 1005

_NP

O_

JC

188

220P

F_5

0V 1005

_NP

O_

J1

2

R925 43_5% 1005_1/16 w NAR925 43_5% 1005_1/16 w NA1 2

R930100K_5%1005_1/16 w

R930100K_5%1005_1/16 w

12

R82

7

100K

_5%

1005

_1/1

6 w

R82

7

100K

_5%

1005

_1/1

6 w

12R329

100K_5%1005_1/16 w

R329100K_5%1005_1/16 w

12

R153 33_5% 1005_1/16 wR153 33_5% 1005_1/16 w1 2

R58

6

100K

_5%

1005

_1/1

6 w

R58

6

100K

_5%

1005

_1/1

6 w

12

Page 63: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DRV4DRV5DRV8DRV6DRV3DRV7DRV2DRV10DRV1DRV9DRV0DRV11DRV14DRV12DRV15DRV13

-LEDMICMUTE

TP4_RESET

-HOTKEY

SENSE5SENSE0SENSE3SENSE2SENSE4SENSE1SENSE6

TP4DATATP4CLK

-LED_MUTE

SENSE7

-LEDCPSLOCK-LEDPWR

-PWRSWITCH

KBDID0KBDID1KBDID2

LEDPWR

SENSE[7..0] [61]

-LED_MUTE [68]-LEDMICMUTE[62]

TP4CLK [64]

DRV[15..0][61]

TP4_RESET[68]

-HOTKEY [62]

TP4DATA [64]

-PWRSWITCH [31,60,68,71]-LEDCPSLOCK [62]

-LEDPWR [68]

KBDID0 [61]KBDID1 [61]KBDID2 [61]

LEDPWR[62]

VCC3M

VCC5B

VCC5B VCC5B VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

63 99Monday, June 14, 2010

KEYBOARD CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

63 99Monday, June 14, 2010

KEYBOARD CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

63 99Monday, June 14, 2010

KEYBOARD CONNECTORNOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC110

J7

JAE AA01B_S040VA1

J7

JAE AA01B_S040VA1

5 5

1 1

41 41

4444

4040 38383636 343432323030 28282626 242422222020 18181616 141412121010 8866

4242

44 3 3

43 43

39 3937 3735 3533 3331 3129 2927 2725 2523 2321 2119 1917 1715 1513 1311 11

9 97 7

22

F13

ER

BS

D1R

00U

F13

ER

BS

D1R

00U

21

R8 560_5% 1005_1/16 wR8 560_5% 1005_1/16 w1 2

R944 3.9k_5%1005_1/16 w

R944 3.9k_5%1005_1/16 w

1 2

RN16RP 100k_ 5%1005 x 4_1/32 w

RN16RP 100k_ 5%1005 x 4_1/32 w

1357

2468

C2960.01UF_25V1005_X7R_K

C2960.01UF_25V1005_X7R_K

12

R41 3.9k_5% 1005_1/16 wR41 3.9k_5% 1005_1/16 w1 2

R13 220_5% 1005_1/16 wR13 220_5% 1005_1/16 w1 2

F21

ER

BS

D1R

00U

F21

ER

BS

D1R

00U

21

Q106DTC114EEQ106DTC114EE

3

2

1

R29

3

4.7K

_5%

1005

_1/1

6 w

R29

3

4.7K

_5%

1005

_1/1

6 w

12

RN45RP 15k_ 5%

1005 x 4_1/32 w

RN45RP 15k_ 5%

1005 x 4_1/32 w

1357

2468

RN46RP 15k_ 5%

1005 x 4_1/32 w

RN46RP 15k_ 5%

1005 x 4_1/32 w

1357

2468

RN250_5%1005 x 4_1/32 w

RN250_5%1005 x 4_1/32 w

1357

2468

R29

4

4.7K

_5%

1005

_1/1

6 w

R29

4

4.7K

_5%

1005

_1/1

6 w

12

R32

4

10k_

5%

1005

_1/1

6 w

R32

4

10k_

5%

1005

_1/1

6 w

12

Page 64: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-POA_WAKE

TP4DATAPADTP4CLKPAD

FUSEVCC5B

PADCLKPADDATA

-PAD_RESET

USBP10-USBP10+

USBP10-_CONNUSBP10+_CONN

FUSEVCC3B

-PAD_DETECT

BT_BUSY

USBP11+_CONNUSBP11-_CONN

USBP11+USBP11-

WIFI_BUSY-BDC_PRESENCEPOA_ACTIVEPOA_PWRREQ-PCH_SLP_S3

LED_BDC_IN

PADCLK

PADDATA

TP4DATA

TP4CLK

BYPASS_PAD_QSW

IPDCLK

IPDDATATP4CLKPAD

TP4DATAPAD

MPWRG

M1_ON 3FP_ON

-POA_ENABLE

M1_ON

3FP_DRV

-POA_WAKE[68]

-PAD_RESET[68]

USBP10-[27]USBP10+[27]

-PCH_SLP_S3 [25,31,62,68,78]

BT_BUSY [54]

-PAD_DETECT [68]

USBP11+ [27]USBP11- [27]

WIFI_BUSY [54]-BDC_PRESENCE [27]

POA_PWRREQ [68]POA_ACTIVE [62]

LED_BDC_IN [32]

TP4CLK[63]

TP4DATA[63]

BYPASS_PAD_QSW [68]

IPDCLK [62]

IPDDATA [62]

MPWRG[11,25,31,61,68,74,91]

3FP_ON [91]

-POA_ENABLE[68]

M1_ON[68,77]

3FP_DRV[91]

BDC_ON [32,54,61]

VCC5BVCC5B

VCC3BVCC3FP

VCC3M

VCC5B

VCC5B

VCC5B

VCC5B

VCC3SW

VCC3M VCC3FP

VCC5B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

64 99Monday, June 14, 2010

TOUCH PAD CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

64 99Monday, June 14, 2010

TOUCH PAD CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

64 99Monday, June 14, 2010

TOUCH PAD CONNECTORNOZOMI-3 SWG SDV2

C

CNV_EC026

ECR026

NZM3_SWG_SDV2_EC060

F6

ER

BS

D0R

50U

F6

ER

BS

D0R

50U

21

D2131SS400G

NAD2131SS400G

NA

1 2

F17

ER

BS

D0R

50U

F17

ER

BS

D0R

50U

21

D2141SS400G

D2141SS400G

1 2

C492220PF_50V1005_NPO_ J

C492220PF_50V1005_NPO_ J

12

R4180_5%

1005_1/16 w

NAR4180_5%

1005_1/16 w

NA

12

Q121RTM002P02

Q121RTM002P02

1

32

R17001K_5%1005_1/16 w

NA

R17001K_5%1005_1/16 w

NA

12

R15100K_5%1005_1/16 w

R15100K_5%1005_1/16 w

12

R813 0_5% 1005_1/16 wR813 0_5% 1005_1/16 w1 2

R26100K_5%1005_1/16 w

R26100K_5%1005_1/16 w

12

C2221000PF_50V1005_X7R_ K

C2221000PF_50V1005_X7R_ K

12

C2082.2UF_10V1608_X5R_K

C2082.2UF_10V1608_X5R_K

12

C5820.1UF_10V1005_X5R_K

NAC582

0.1UF_10V1005_X5R_K

NA12

R800 0_5% 1005_1/16 wR800 0_5% 1005_1/16 w1 2

D216 RB521S_30D216 RB521S_3012

R1705 0_5%1005_1/16 w

R1705 0_5%1005_1/16 w

1 2

C13

140.1U

F_1

0V 1005

_X5R

_K

NA

C13

140.1U

F_1

0V 1005

_X5R

_K

NA

12

R1703

0_5%1005_1/16 w

NA

R1703

0_5%1005_1/16 w

NA

1 2

R25

4.7K

_5%

1005

_1/1

6 w

R25

4.7K

_5%

1005

_1/1

6 w

12

R170247k_5%1005_1/16 w

R170247k_5%1005_1/16 w

12

U20

CBT3257ABQU20

CBT3257ABQ

GND217

YD 12

10B5

10C11

11B611A3

11C10

11D13

VC

C16

YA 4

GN

D1

8

E 15

YB 7

YC 9

S 1

10D14

10A2

R24

4.7K

_5%

1005

_1/1

6 w

R24

4.7K

_5%

1005

_1/1

6 w

12

R1704100K_5%1005_1/16 w

NA

R1704100K_5%1005_1/16 w

NA

12

C50.01UF_25V1005_X7R_K

C50.01UF_25V1005_X7R_K

12

R562 0_5%1005_1/16 w

R562 0_5%1005_1/16 w

1 2

C60.01UF_25V1005_X7R_K

C60.01UF_25V1005_X7R_K

12

R454100K_5%1005_1/16 w

NAR454100K_5%

1005_1/16 w

NA12

R17011K_5%1005_1/16 w

R17011K_5%1005_1/16 w

12

R18100K_5%1005_1/16 w

R18100K_5%1005_1/16 w

12

D215 RB521S_30NAD215 RB521S_30NA

12

F15

ER

BS

D0R

50U

F15

ER

BS

D0R

50U

21

C6434PF_50V1005_NPO_+/-0.25PF

NA

C6434PF_50V1005_NPO_+/-0.25PF

NA1

2

D2121SS400G

NAD212

1SS400G

NA12

Q101RTM002P02NA

Q101RTM002P02NA

1

3 2

D90 RB521S_30D90 RB521S_3012

R799 0_5% 1005_1/16 wR799 0_5% 1005_1/16 w1 2

C13120.1UF_10V1005_X5R_K

C13120.1UF_10V1005_X5R_K

12

R32100K_5%1005_1/16 w

R32100K_5%1005_1/16 w

12

Q103RW1E014SN

Q103RW1E014SN 6

5

3

412

C13130.01UF_25V1005_X7R_KNA

C13130.01UF_25V1005_X7R_KNA

12

J16

HIROSE_DF12L_5R0_30DP_0R5V_86

J16

HIROSE_DF12L_5R0_30DP_0R5V_86

30282624222018161412108642

29272523211917151311

97531

31 3233 34

R809 0_5% 1005_1/16 wR809 0_5% 1005_1/16 w1 2

C6781000PF_50V1005_X7R_ K

C6781000PF_50V1005_X7R_ K

12

Page 65: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

GLOBAL_WL_DISABLEGLOBAL_WL_DISABLE [62]

VCC3M

Title :

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Date: Sheet : of

Project Name :

2.10

65 99Monday, June 14, 2010

WIRELESS DISABLE SWNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

65 99Monday, June 14, 2010

WIRELESS DISABLE SWNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

65 99Monday, June 14, 2010

WIRELESS DISABLE SWNOZOMI-3 SWG SDV2

C

WIRELESS DISABLE SW

S1

SMK JSS1210_0713EC

S1

SMK JSS1210_0713EC

45

123

C5190.1UF_10V1005_X5R_KNA

C5190.1UF_10V1005_X5R_KNA

12

R869100K_5%1005_1/16 w

R869100K_5%1005_1/16 w

12

Page 66: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC5B_F4

FAN_ON

VCC5B_FAN

FAN_ID

FAN_FRQ

FAN_ON[62,68]

FAN_ID [61]

FAN_FRQ [68]

VCC5B

VCC3B

Title :

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66 99Monday, June 14, 2010

FAN CONNECTORNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

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2.10

66 99Monday, June 14, 2010

FAN CONNECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

66 99Monday, June 14, 2010

FAN CONNECTORNOZOMI-3 SWG SDV2

C

FUSE 2.0A

FAN CURRENTIS 0.5A MAX

CNV_EC027

Q77

DTC114EE

Q77

DTC114EE3

2

1

C2300.01UF_25V1005_X7R_KNA

C2300.01UF_25V1005_X7R_KNA

12

R4211K_5%1005_1/16 w

R4211K_5%1005_1/16 w

12

C3010.01UF_25V1005_X7R_K

C3010.01UF_25V1005_X7R_K

12

J15

TYCO 2041282_4

J15

TYCO 2041282_4

443322 11

R139100_5%1005_1/16 w

R139100_5%1005_1/16 w

12

Q81DTC115EEQ81DTC115EE

13

2

R1361K_5%1005_1/16 w

R1361K_5%1005_1/16 w

12

F4ERBSD2R00UF4ERBSD2R00U

21 Q1

SSM6J402TUQ1

SSM6J402TU

5

3

12

6

4

Page 67: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-GSENSE_ON

GSENSE_TST

GSENSE_X

GSENSE_Y

GSENSE_Z

-GSENSE_ON[62]

GSENSE_TST[62]

GSENSE_X [61]

GSENSE_Y [61]

GSENSE_Z [61]

VCC3M VCC3_ACCEL

GND_ACCEL

GND_ACCEL

VCC3_ACCEL

GND_ACCEL

GND_ACCEL

VCC3B

GND_ACCEL

Title :

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Date: Sheet : of

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2.10

67 99Monday, June 14, 2010

G-SENSORNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

67 99Monday, June 14, 2010

G-SENSORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

67 99Monday, June 14, 2010

G-SENSORNOZOMI-3 SWG SDV2

C

TABLE

LIS244ALLIS344AL

R401R957

NO_ASMASM

LOGIC

NO ACC.

ASM ASM

U65

Q105

R885C829C969

C830C847

R969C938R970C956

ASM

ASM

10-OHMASMASM

ASMASM

56KASM56KASM

NO_ASM

NO_ASM

NO_ASMNO_ASMNO_ASM

NO_ASMNO_ASM

NO_ASMNO_ASMNO_ASMNO_ASM

C704R344C703

R125

NO_ASMNO_ASMNO_ASM

ASM

NO_ASMNO_ASMNO_ASM

ASM

PLACE NEAR EC

PLACE NEAR EC

NZM3_SWG_SDV2_EC073

NZM3_SWG_SDV2_EC105

R401100K_5%1005_1/16 wNA

R401100K_5%1005_1/16 wNA

12

RJ44SHORT1005_20MILRJ44SHORT1005_20MIL

12

R125100K_5%1005_1/16 w

R125100K_5%1005_1/16 w

12

C96910UF_6.3V

1608_X5R_M

C96910UF_6.3V

1608_X5R_M

12

C8290.1UF_10V1005_X5R_K

C8290.1UF_10V1005_X5R_K

12

C7030.1UF_10V1005_X5R_KNA

C7030.1UF_10V1005_X5R_KNA

12

R96956k_5%

1005_1/16 wR96956k_5%

1005_1/16 w1 2

R34456k_5%

1005_1/16 w

NA

R34456k_5%

1005_1/16 w

NA1 2

R97056k_5%

1005_1/16 wR97056k_5%

1005_1/16 w1 2

Q105DTA114EEA

Q105DTA114EEA

2

1 3

C9560.1UF_10V1005_X5R_K

C9560.1UF_10V1005_X5R_K

12

R957100K_5%1005_1/16 w

R957100K_5%1005_1/16 w

12

C9380.1UF_10V1005_X5R_K

C9380.1UF_10V1005_X5R_K

12

C8470.1UF_10V1005_X5R_K

C8470.1UF_10V1005_X5R_K

12

U65

KXTC8-2850

U65

KXTC8-2850

ST2

NC33

PD5

NC66

GND7

NC11

NC44

NC99

VOUTX 12

VOUTY 10

VOUTZ 8

NC11 11

NC13 13

NC16 16

NC

1515

VD

D14

NC

1717

C8300.1UF_10V1005_X5R_K

C8300.1UF_10V1005_X5R_K

12

C7040.1UF_10V1005_X5R_KNA

C7040.1UF_10V1005_X5R_KNA

12

R885 10_5%1005_1/16 w

R885 10_5%1005_1/16 w

1 2

Page 68: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-EXTPWR_ASIC

-PCH_SLP_S3-PCH_SLP_S4-PCH_SLP_S5-PCH_SLP_LAN-PCH_SLP_MSUSPWRDNACKAC_PRESENT

BPWRG

-PLTRST_NEAR-THRM-PWRSHUTDOWN

-PWRSW_ASIC-PCIE_WAKE

-PWRON_DOCK

TP4_RESET-PAD_RESET

BYPASS_PAD_QSW

-DASPHDDULTRA_ON

SUSCLK_32K

-MISCSMI

CCV2_ID

MPWRG

USB_AO_SEL0

WWAN_ON

POA_PWRREQ

USB_CC_SEL

EXTPWRG

-EXC_PWR_STBY

-EXTPWR

-PWRSWITCH

-PWRSW

-POA_WAKE

-PWRSW_ASIC

VCCLAN_ONAMT_ONA_ONB1_ON

GFXCORE_ON_D1R5VIDEO_ON1R05VIDEO_ONVCC3WLAN_ON

3VIDEO_ON

IMVP_ON

-EC_RESET-GPU_RST

-LEDSUS-LEDFUEL0-LEDFUEL1-LED_MUTE-LEDDRIVE

VGA_BLONBACKLIGHT_ON

USB_ON1USB_ON2

M1GATEONM2GATEONM_TRCLS1GATEONS2GATEONS_TRCLBAT_CRG

FAN_FRQ

FAN_ONFAN_FRQ_ASIC

-LEDPWR

M1_ON

ECSPI_CLKECSPI_MOSI-ECSPI_SSECSPI_MISO

PCHPWRGCHARGE_VOLT_4D2V

-POA_ENABLE

CHARGE_3CELL

-HDD_DTCT

CHARGE_VOLT_4D35V

-PAD_DETECT

-EXTPWR_ASIC

USB_AO_SEL1

-PWRON_DOCK[60]

-PCH_SLP_S3[25,31,62,64,78]-PCH_SLP_S4[25,31]-PCH_SLP_S5[25,31,62]-PCH_SLP_LAN[25,31]-PCH_SLP_M[25,31]SUSPWRDNACK[25,31]AC_PRESENT[25,31]

MPWRG[11,25,31,61,64,74,91]BPWRG[11,25,31,62,70,71,91,94]

-PLTRST_NEAR[27,31,55,58,61,69,71]-THRM[70]-PWRSHUTDOWN[60,72,78,91]

-PCIE_WAKE[25,54,57]

EXTPWRG[60]

SUSCLK_32K[25,61]

-HDD_DTCT[39]

-DASPHDD[23]

-PAD_DETECT[64]

-MISCSMI[62]

TP4_RESET[63]-PAD_RESET[64]

BYPASS_PAD_QSW[64]

ULTRA_ON[91]

CHARGE_VOLT_4D2V[74]CHARGE_VOLT_4D35V[74]

CHARGE_3CELL[74]

-EXC_PWR_STBY[58]USB_CC_SEL[54,57]USB_AO_SEL0[42]USB_AO_SEL1[42]WWAN_ON[77]-POA_ENABLE[64]POA_PWRREQ[64]

-EXTPWR[62,74,91]

-PWRSWITCH[31,60,63,71]

-PWRSW[62]

-POA_WAKE[64]

M1_ON [64,77]

VGA_BLON [36]

VCCLAN_ON [85,91,94]AMT_ON [91,94]A_ON [77]B1_ON [77]

IMVP_ON [77]

3VIDEO_ON [93]

GFXCORE_ON_D [83]1R5VIDEO_ON [88]1R05VIDEO_ON [15,91]VCC3WLAN_ON [97]

-EC_RESET [61,74]-GPU_RST [15]

-LEDPWR [63]-LEDSUS [32]-LEDFUEL0 [32]-LEDFUEL1 [32]-LED_MUTE [63]-LEDDRIVE [32]

BACKLIGHT_ON [32]

USB_ON1 [42]USB_ON2 [42]

PCHPWRG [25,31]

M1GATEON [91]M2GATEON [91]M_TRCL [74,75]S1GATEON [91]S2GATEON [91]S_TRCL [74,75]BAT_CRG [74,75]

FAN_FRQ [66]

FAN_ON [62,66]

ECSPI_CLK [62]ECSPI_MOSI [62]-ECSPI_SS [62]ECSPI_MISO [62]

FAN_FRQ_ASIC [62]

VCC3SW

VCC5MUBAY VCC3M VCC3SW

VCC3M

VCC3SW

VL5

VCC3M VCC3SW

VCC3P VCC3B VCC3SW

VCC3B

VCC3SW

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

68 99Monday, June 14, 2010

THINKER-1NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

68 99Monday, June 14, 2010

THINKER-1NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

68 99Monday, June 14, 2010

THINKER-1NOZOMI-3 SWG SDV2

C

LOGIC

TABLE

CONSTANTCONNECT VER.2

YES NO

ASM

ASM

NO_ASM

NO_ASM

R699

R192

R64

4

47k_

5%

1005

_1/1

6 w

R64

4

47k_

5%

1005

_1/1

6 w

12

R5790_5%

1005_1/16 wR579

0_5%

1005_1/16 w1 2

C30

2

0.01

UF

_25V

1005

_X7R

_KC

302

0.01

UF

_25V

1005

_X7R

_K1

2

R70

1

100K

_5%

1005

_1/1

6 w

R70

1

100K

_5%

1005

_1/1

6 w

12

R8680_5%

1005_1/16 wR868

0_5%

1005_1/16 w1 2

Q65

2SK3541

Q65

2SK3541

32

1

R5347k_5%

1005_1/16 wR5347k_5%

1005_1/16 w1 2

R84

8

100K

_5%

1005

_1/1

6 w

R84

8

100K

_5%

1005

_1/1

6 w

12

C529 1000PF_50V1005_X7R_ K

C529 1000PF_50V1005_X7R_ K

1 2

C316

0.22UF_10V

1005_X5R_KC316

0.22UF_10V

1005_X5R_K

1 2

R64

2

47k_

5%

1005

_1/1

6 w

R64

2

47k_

5%

1005

_1/1

6 w

12

R60

6

100K

_5%

1005

_1/1

6 w

R60

6

100K

_5%

1005

_1/1

6 w1

2

D1RB521S_30D1RB521S_301

2

R82

1

100K

_5%

1005

_1/1

6 w

R82

1

100K

_5%

1005

_1/1

6 w

12

R463 0_5% 1005_1/16 wR463 0_5% 1005_1/16 w1 2

R90

7

100K

_5%

1005

_1/1

6 w

R90

7

100K

_5%

1005

_1/1

6 w1

2R71

1

100K

_5%

1005

_1/1

6 w

R71

1

100K

_5%

1005

_1/1

6 w1

2

R331 0_5% 1005_1/16 wR331 0_5% 1005_1/16 w1 2

D67

RB521S_30

NA

D67

RB521S_30

NA

1 2

R446

0_5%

1005_1/16 wR446

0_5%

1005_1/16 w1 2

R91

5

100K

_5%

1005

_1/1

6 w

NA

R91

5

100K

_5%

1005

_1/1

6 w

NA

12 R

917

100K

_5%

1005

_1/1

6 w

NA

R91

7

100K

_5%

1005

_1/1

6 w

NA

12

C25

4

0.01

UF

_25V

1005

_X7R

_KC

254

0.01

UF

_25V

1005

_X7R

_K1

2

R19

2

100K

_5%

1005

_1/1

6 w

R19

2

100K

_5%

1005

_1/1

6 w1

2

R921 33_5% 1005_1/16 wR921 33_5% 1005_1/16 w1 2

C28

8

0.04

7UF

_16V

1005_X7R_K

C28

8

0.04

7UF

_16V

1005_X7R_K

12

R84

2

100K

_5%

1005

_1/1

6 w

R84

2

100K

_5%

1005

_1/1

6 w

12

R75

4

100K

_5%

1005

_1/1

6 w

R75

4

100K

_5%

1005

_1/1

6 w

12

R91

6

10k_

5%

1005

_1/1

6 w

NA

R91

6

10k_

5%

1005

_1/1

6 w

NA

12

R87

4

100K

_5%

1005

_1/1

6 w

R87

4

100K

_5%

1005

_1/1

6 w1

2

D76

1SS400G

D76

1SS400G

1 2

R91

0

47k_

5%

1005

_1/1

6 w

R91

0

47k_

5%

1005

_1/1

6 w1

2 R62

2

10k_

5%

1005

_1/1

6 w

R62

2

10k_

5%

1005

_1/1

6 w1

2

R86510k_5%

1005_1/16 wR865

10k_5%

1005_1/16 w1 2

R83

6

100K

_5%

1005

_1/1

6 w

NA

R83

6

100K

_5%

1005

_1/1

6 w

NA

12

R76

0

100K

_5%

1005

_1/1

6 w

R76

0

100K

_5%

1005

_1/1

6 w1

2 R87

2

100K

_5%

1005

_1/1

6 w

R87

2

100K

_5%

1005

_1/1

6 w1

2R81

2

100K

_5%

1005

_1/1

6 w

R81

2

100K

_5%

1005

_1/1

6 w1

2 R87

5

100K

_5%

1005

_1/1

6 w

R87

5

100K

_5%

1005

_1/1

6 w1

2 R89

0

100K

_5%

1005

_1/1

6 w

R89

0

100K

_5%

1005

_1/1

6 w1

2

R928 33_5% 1005_1/16 wR928 33_5% 1005_1/16 w1 2

R63

3

100K

_5%

1005

_1/1

6 w

R63

3

100K

_5%

1005

_1/1

6 w

12

R835 0_5% 1005_1/16 wNA

R835 0_5% 1005_1/16 wNA

1 2

R931 33_5% 1005_1/16 wR931 33_5% 1005_1/16 w1 2

R87

6

100K

_5%

1005

_1/1

6 w

R87

6

100K

_5%

1005

_1/1

6 w1

2

R60

5

100K

_5%

1005

_1/1

6 w

R60

5

100K

_5%

1005

_1/1

6 w1

2

R63

5

47k_

5%

1005

_1/1

6 w

R63

5

47k_

5%

1005

_1/1

6 w

12

R85

1

100K

_5%

1005

_1/1

6 w

R85

1

100K

_5%

1005

_1/1

6 w

12

R87

3

100K

_5%

1005

_1/1

6 w

R87

3

100K

_5%

1005

_1/1

6 w1

2

U42

THINKER1

U42

THINKER1

VC

C5

78

VC

C4

53

VC

C3

41

VC

C2

28

VC

C1

3

GN

D5

90

GN

D4

65

GN

D3

51

GN

D2

40

GN

D1

15

SPIMISO 35SPISS# 36SPIMOSI 37SPICLK 38

MGPIO3/FAN_ON 34MGPIO2/FAN_FRQ_OUT 33MGPIO1/FAN_FRQ_IN 32

BATCRG 25STRCL 24S2GATEON 23S1GATEON 22

MTRCL 21M2GATEON 20M1GATEON 19

MGPIO0/PCHPWRG 31

BLON_OUT 97BLON_IN 96

LED_UWB# 44LED_BDC_IN 43LEDWPAN# 42

LEDDRIVE# 45LEDMUTE# 46LEDFUEL1# 47LEDFUEL0# 48

LEDSUS# 49LEDPWR# 50

FPSON3 62FPSON2 63FPSON1 64

DGFXON 66IGFXON 67CPUON 55

BON 56AON 57MEON 58LANON 59

MON 60EON 54

CTEST30

CLK32K29 RINGIN27

PGPIO313PGPIO212 PGPIO111PGPIO010LGPIO79 LGPIO68LGPIO57 LGPIO46LGPIO35LPGIO24 LGPIO12LGPIO01

HDD_DTCT#/MGPIO693ULTRAOK92 UBAYON91DACT#89

BYP_PAD_QSW14PADDETECT16 PADRST#17TP4RST#18

PWRON_DOCK#86EXTPWRG_DOCK87 EXTSMI#88

PME#85PWRSW#73

SHUTDWN2#77SHUTDWN#76 THERM#75PLTRST#100

SWMONEN74BPWRG68 MPWRG69EPWRG52SWPWRG70

AC_PRESENT72 SUS_PWR_ACK84SLP_M#83SLP_LAN#82 SLP_S5#81SLP_S4#80 SLP_S3#79

EXTPWR#71

FPSON4 61

EC_RST# 39

GPU_RST# 98

MISC_RST# 99

USB_ON1/MGPIO4 94

USB_ON2/MGPIO5 95

RINGOUT26

R69

9

47k_

5%

1005

_1/1

6 w

NA

R69

9

47k_

5%

1005

_1/1

6 w

NA

12

R87

1

47k_

5%

1005

_1/1

6 w

R87

1

47k_

5%

1005

_1/1

6 w1

2

R86312.4k_1%

1005_1/16 wR863

12.4k_1%

1005_1/16 w1 2

R89

3

100K

_5%

1005

_1/1

6 w

R89

3

100K

_5%

1005

_1/1

6 w1

2

R76

1

100K

_5%

1005

_1/1

6 w

R76

1

100K

_5%

1005

_1/1

6 w1

2 R83

710

0K_5

%10

05_1

/16

wR

837

100K

_5%

1005

_1/1

6 w1

2

R74

5

100K

_5%

1005

_1/1

6 w

NA

R74

5

100K

_5%

1005

_1/1

6 w

NA

12

R10

40

100K

_5%

1005

_1/1

6 w

R10

40

100K

_5%

1005

_1/1

6 w

12C

289

0.1U

F_1

0V

1005

_X5R

_KC

289

0.1U

F_1

0V

1005

_X5R

_K1

2

R74

7

100K

_5%

1005

_1/1

6 w

R74

7

100K

_5%

1005

_1/1

6 w1

2

R326 0_5% 1005_1/16 wNA

R326 0_5% 1005_1/16 wNA

1 2

C27

3

0.01

UF

_25V

1005

_X7R

_KC

273

0.01

UF

_25V

1005

_X7R

_K1

2 C28

3

0.01

UF

_25V

1005

_X7R

_KC

283

0.01

UF

_25V

1005

_X7R

_K1

2

TP148TESTPADTP148TESTPAD

1

R30110k_5%

1005_1/16 wR30110k_5%

1005_1/16 w1 2

R8704.7K_5%1005_1/16 w

R8704.7K_5%1005_1/16 w

12

R63

7

47k_

5%

1005

_1/1

6 w

R63

7

47k_

5%

1005

_1/1

6 w

12

R84

7

100K

_5%

1005

_1/1

6 w

NA

R84

7

100K

_5%

1005

_1/1

6 w

NA

12 C

50

1000

PF

_50V

1005

_X7R

_ K

NA

C50

1000

PF

_50V

1005

_X7R

_ K

NA

12

Page 69: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

IRQSER

-CLKRUN-PLTRST_NEAR

-LPC_FRAME

LPC_AD2LPC_AD1LPC_AD0

LPC_AD3

LPCCLK_CRYPT_33M

-DTPM_PRESENCE

IRQSER[23,61,71]

-CLKRUN[25,61,71]-PLTRST_NEAR[27,31,55,58,61,68,71]

-LPC_FRAME[23,61,71]

LPCCLK_CRYPT_33M[27]LPC_AD[3..0][23,61,71]

-DTPM_PRESENCE [28]

VCC3B

VCC3B

VCC3M

Title :

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69 99Monday, June 14, 2010

TPMNOZOMI-3 SWG SDV2Title :

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2.10

69 99Monday, June 14, 2010

TPMNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

69 99Monday, June 14, 2010

TPMNOZOMI-3 SWG SDV2

C

LOGIC

TABLE

REF DES NOTPM

ST MICROST19NP18-TPM-A

ASMASMASM

U39C379R149

NO_ASMNO_ASMNO_ASM

R212R270

ASMNO_ASM

NO_ASM ASM

BODY SIZE 9.7 X 4.4 MM

CNV_EC036

U39

ST19NP18_TPM_A

U39

ST19NP18_TPM_A

LCLK21

LAD026

LAD123

LAD220

LAD317

LFRAME#22

LRESET#16

GPIO515

LPCPD#28

SERIRQ27

NC413

NC514

GPIO3 6

NC2 8

GPIO4 9

GPIO1 1

GPIO2 2

VNC 3

PP 7

NC

15

NC

312

VP

S1

10

NC

619

VP

S2

24

GN

D2

11

GN

D1

4

GN

D3

18

NC

725

R14910K_5%1005_1/16 w

R14910K_5%1005_1/16 w

12

R21210K_5%1005_1/16 wNA

R21210K_5%1005_1/16 wNA1

2

R27010K_5%1005_1/16 w

R27010K_5%1005_1/16 w

12

C3790.1UF_10V1005_X5R_K

C3790.1UF_10V1005_X5R_K

12

Page 70: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-SHUTDOWN

EC_SCL2EC_SDA2

-THRM

BPWRG

BPWRG

EC_SDA2[24,62]EC_SCL2[24,62]

-THRM[68]

BPWRG[11,25,31,62,68,71,91,94]

-SHUTDOWN [91]

DXP1 [18]

DXN1 [18]

VCC3M

VCC3B

Title :

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70 99Monday, June 14, 2010

THERMAL SENSORNOZOMI-3 SWG SDV2Title :

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2.10

70 99Monday, June 14, 2010

THERMAL SENSORNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

70 99Monday, June 14, 2010

THERMAL SENSORNOZOMI-3 SWG SDV2

C

LOGIC

TABLE

Resistor(+/-10%) SMBus Address

REMOTE DIODE 2CPUCORE DC/DC

PLACE NEAR DIODE 2

REMOTE DIODE 31R5A DC/DC

1001_101, 4Dh1001_110, 4Eh1001_111, 4Fh

PLACE NEAR DIODE 4

1001_001, 49h1001_010, 4Ah1001_011, 4Bh0011_000, 18h

GND

PLACE NEAR DIODE 6

REMOTE DIODE 4WLAN

REMOTE DIODE 5EXPRESS CARD SLOT

2705601K1.5K

1001_100, 4Ch

PLACE NEAR EMC1438_2

PLACE NEAR DIODE 3

PLACE NEAR BOTTOM DIMM SLOTLOCAL SENSOR FOR MEMORY-BOTTOM

ADDRESS : 4DH

PLACE NEAR DIODE 5

PLACE NEAR DIODE1

PLACE NEAR DIODE 7

2.7K5.6K>=18K

REMOTE DIODE 6MEMORY-TOP

REMOTE DIODE 71R05B_VTT DC/DC

PLACE NEAR EMC1438_2

PLACE NEAR EMC1438_2

PLACE NEAR EMC1438_2

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC021

NZM3_SWG_SDV2_EC061

NZM3_SWG_SDV2_EC061

C59

10.1U

F_1

0V 1005

_X5R

_KC

5910.

1UF

_10V 10

05_X

5R_K

12

C69922PF_50V1005_NPO_ J

C69922PF_50V1005_NPO_ J

12

C58422PF_50V1005_NPO_ J

C58422PF_50V1005_NPO_ J

12

Q104

2SC4617_ROHM

Q104

2SC4617_ROHM

31

2

C65222PF_50V1005_NPO_ J

C65222PF_50V1005_NPO_ J

12

C90.1UF_10V1005_X5R_K

C90.1UF_10V1005_X5R_K

12

C372200PF_50V1005_X7R_K

C372200PF_50V1005_X7R_K

12

Q31

2SC4617_ROHM

Q31

2SC4617_ROHM

31

2

U4

EMC1438_2

U4

EMC1438_2

DP1 1

DN1 2

DP2_DN3 3

DN2_DP3 4

ADDR_SEL5THERM#6 ALERT#7

GN

D8

DN4_DP5 9DP4_DN5 10

SMDATA11SMCLK12

STANDBY13

DN6_DP7 14DP6_DN7 15

VD

D16

GN

D_P

AD

17

R235 0_5% 1005_1/16 wR235 0_5% 1005_1/16 w1 2

C64722PF_50V1005_NPO_ J

C64722PF_50V1005_NPO_ J

12

Q25

2SC4617_ROHM

Q25

2SC4617_ROHM

31

2

R7181K_5%

1005_1/16 w

R7181K_5%

1005_1/16 w

12

C742200PF_50V1005_X7R_K

C742200PF_50V1005_X7R_K

12

Q59

DTC115EE

Q59

DTC115EE

13

2

C51

41UF

_10V

1005

_X5R

_KC

5141U

F_1

0V

1005

_X5R

_K1

2

C332200PF_50V1005_X7R_K

C332200PF_50V1005_X7R_K

12

R763270_5%

1005_1/16 w

R763270_5%

1005_1/16 w

12

R564.7K_5%1005_1/16 w

R564.7K_5%1005_1/16 w

12

C6172200PF_50V1005_X7R_K

C6172200PF_50V1005_X7R_K

12

C65022PF_50V1005_NPO_ J

C65022PF_50V1005_NPO_ J

12

Q93

2SC4617_ROHM

Q93

2SC4617_ROHM

31

2

C71022PF_50V1005_NPO_ J

C71022PF_50V1005_NPO_ J

12

C67122PF_50V1005_NPO_ J

C67122PF_50V1005_NPO_ J

12

R54922_5%1005_1/16 w

R54922_5%1005_1/16 w

12

Q73

2SC4617_ROHM

Q73

2SC4617_ROHM

31

2

Q21

2SC4617_ROHM

Q21

2SC4617_ROHM

31

2

Page 71: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SMB_CLKSMB_DATA

-PLTRST_NEAR

LPCCLK_DEBUG_33M

-LPC_FRAME

-CLKRUN-SUS_STAT

B_ONIRQSER

-PWRSWITCH

-LPC_DREQ0

LPC_AD0LPC_AD1LPC_AD2LPC_AD3

-PLTRST_NEAR

SMB_CLK_3B

BPWRG

SMB_3B_EN

SMB_DATA_3B

SMB_CLK

SMB_DATA

LPCCLK_DEBUG_33M[27]

-LPC_FRAME[23,61,69]

-SUS_STAT[25,61]

B_ON[58,77,84,87,91,95]IRQSER[23,61,69]

-CLKRUN[25,61,69]

-PWRSWITCH[31,60,63,68]

-LPC_DREQ0[23]

LPC_AD[3..0] [23,61,69]

-PLTRST_NEAR [27,31,55,58,61,68,69]

SMB_DATA_3B[12,13]

SMB_CLK_3B[12,13]

BPWRG[11,25,31,62,68,70,91,94]

SMB_3B_EN[27]

SMB_DATA [24]

SMB_CLK [24]

VCC3M

VCC3B

VCC3M

VCC3B VCC5B

VCC3B

VCC3M

VCC5M

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EEPROM/SMBUS SWNOZOMI-3 SWG SDV2Title :

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2.10

71 99Monday, June 14, 2010

EEPROM/SMBUS SWNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

71 99Monday, June 14, 2010

EEPROM/SMBUS SWNOZOMI-3 SWG SDV2

C

PHILIPS 1024 X 8EEPROM W/ACCESSPROTECTION

LOGIC

TABLE

REF DES ENABLE DISABLE

J5 ASM NO_ASM

ASM NO_ASMR220

R3010k_5%

1005_1/16 w

R3010k_5%

1005_1/16 w

12

C10050.1UF_10V1005_X5R_K

C10050.1UF_10V1005_X5R_K

12

R17

7

10k_

5%

1005

_1/1

6 w

R17

7

10k_

5%

1005

_1/1

6 w1

2

R268 47k_5%1005_1/16 w

R268 47k_5%1005_1/16 w

1 2

R5774.7K_5%1005_1/16 w

R5774.7K_5%1005_1/16 w

12

VCC

GND

B

OE

A

U31

TC7SB385FU

VCC

GND

B

OE

A

U31

TC7SB385FU

4

1

3

2

5

U22PCA24S08DPU22PCA24S08DP

GN

D4

VD

D8

NC2 2NC1 1

SDA5 SCL6WP7 -PROT3

R29

1

47K

_5%

1005

_1/1

6 w

R29

1

47K

_5%

1005

_1/1

6 w1

2

J5

JST_BM20B_SRDS_A_G_TFC_LF_SN

J5

JST_BM20B_SRDS_A_G_TFC_LF_SN

20 2018 1816 1614 1412 1210 10

8 86 64 42 2

19191717 151513131111 9977 553311

GND121 GND2 22

NC123 NC2 24

R207 33_5% 1005_1/16 wR207 33_5% 1005_1/16 w1 2

Q84DTC115TEQ84DTC115TE

2

31

R208 33_5% 1005_1/16 wR208 33_5% 1005_1/16 w1 2

R4510k_5%

1005_1/16 w

R4510k_5%

1005_1/16 w

12

Q97DTC115TEQ97DTC115TE

2

31

R15

0

10k_

5%

1005

_1/1

6 w

R15

0

10k_

5%

1005

_1/1

6 w1

2

VCC

GND

B

OE

A

U21

TC7SB385FU

VCC

GND

B

OE

A

U21

TC7SB385FU

4

1

3

2

5

C250.01UF_25V1005_X7R_K

C250.01UF_25V1005_X7R_K

12

Page 72: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

-DOCK_ATTACHED_BAT_OP

CV20

DISCHARGE2[60]

-PWRSHUTDOWN[60,68,78,91]

ACDC_ID [60,61]

DCIN_DRV[91]

-DOCK_ATTACHED_BAT_OP[60,74]

DCIN_CURRENT_N[74]

DCIN_CURRENT_P[74]

DCIN_PWR20_F

DOCK_PWR20VINT20

Title :

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72 99Monday, June 14, 2010

DC-INNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

72 99Monday, June 14, 2010

DC-INNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

72 99Monday, June 14, 2010

DC-INNOZOMI-3 SWG SDV2

C

PEAK SHIFT

R662R369Q78Q51

YES NO

NO-ASMASMASMASM

ASMNO-ASMNO-ASMNO-ASM

TABLE

LOGIC

DCINPLACE NEAR CONNECTOR

R712

1M_5% 1005_1/16 wNA

R712

1M_5% 1005_1/16 wNA

1 2

R237

0_5% 1005_1/16 w

R237

0_5% 1005_1/16 w

1 2

R380

0.01_1% 3216_1 w

R380

0.01_1% 3216_1 w1 2

C8

0.01

UF

_25V

1005

_X7R

_K

C8

0.01

UF

_25V

1005

_X7R

_K

12

R36

9

470K

_5%

1005

_1/1

6 w

R36

9

470K

_5%

1005

_1/1

6 w

12

D77KDZ24B

NA

D77KDZ24B

NA12

D131SS400G

D131SS400G

1 2

C10

1

0.01

UF

_25V

1005

_X7R

_K

C10

1

0.01

UF

_25V

1005

_X7R

_K

12

R14

3

200K

_5%

1005

_1/1

6 w

R14

3

200K

_5%

1005

_1/1

6 w

12

Q12DTA115EE

NAQ12

DTA115EE

NA

1 3

2

Q642SK3541

NAQ64

2SK3541

NA

32

1

F2429007

F2429007

21

R224

100K_5% 1005_1/16 w

R224

100K_5% 1005_1/16 w

1 2

Q1092SK3541

NAQ109

2SK3541

NA

3 2

1

Q107DTA114EEA

Q107DTA114EEA

2

1 3

Q832SK3541

NAQ832SK3541

NA32

1

C72

1000

PF

_50V

1005

_X7R

_ K

C72

1000

PF

_50V

1005

_X7R

_ K

12

Q36SIS406DNQ36SIS406DN

4

1

32

5

C10

88

100P

F_5

0V10

05_N

PO

_ J

C10

88

100P

F_5

0V10

05_N

PO

_ J

12

R14

5

100K

_5%

1005

_1/1

6 w

R14

5

100K

_5%

1005

_1/1

6 w

12

Q792SK3541Q792SK3541

32

1

RJ6

4S

HO

RT

10_1

0MIL

RJ6

4S

HO

RT

10_1

0MIL

12

Q51DTC115EE

Q51DTC115EE

13

2

R66

2

0_5%

1005

_1/1

6 w

NA

R66

2

0_5%

1005

_1/1

6 w

NA

12

C93

0.47

UF

_25V

1608

_X5R

_K

C93

0.47

UF

_25V

1608

_X5R

_K1

2

RJ6

5S

HO

RT

10_1

0MIL

RJ6

5S

HO

RT

10_1

0MIL

12

R715270_5%1608_1/10 w

R715270_5%1608_1/10 w

12

Q33DTC115EE

Q33DTC115EE

1 3

2

J24

MOLEX 78048_0543

J24

MOLEX 78048_0543

1 12 23 34 45 5

R22

2

1M_5

%10

05_1

/16

w

R22

2

1M_5

%10

05_1

/16

w1

2

R34

0

1K_5

%10

05_1

/16

w

R34

0

1K_5

%10

05_1

/16

w

12

Q782SK3541Q782SK3541

32

1

Q9SI7121DNQ9SI7121DN

123

4

5

R50

4

0_5%

1005

_1/1

6 w

NA

R50

4

0_5%

1005

_1/1

6 w

NA

12

Q612SK3541Q612SK3541

32

1

R238

0_5% 1005_1/16 w

R238

0_5% 1005_1/16 w

1 2

Page 73: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M_BAT_IN

S_BAT_PWR_A

M_BAT_PWR_A

I2C_CLK_BT0 [62]

M_TEMP [61]

I2C_DATA_BT0 [62]

M1_DRV[91]

M2_DRV[91]

I2C_CLK_BT1_DOCK[60]

I2C_DATA_BT1_DOCK[60]

S_TEMP_DOCK[60]

I2C_CLK_BT1 [62]

S_TEMP [61]

I2C_DATA_BT1 [62]

-DOCK_ATTACHED_S_BAT[60]

-DOCK_PWRDCT[60]

BAT_DRV[91]

BAT_FET_HOT [61]

VCC3M

M-BAT-PWR BAT-PWR12VINT20

VCC3M

S_BAT_IN

DOCK_DCIN20

DCIN_PWR20_F

M-BAT-PWR

S-BAT-PWR

DOCK_DCIN20_F

M-BAT-TRCL

S-BAT-TRCL

VREGIN20

BAT-PWR12

VCC3B

Title :

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73 99Monday, June 14, 2010

BATTERY INPUTNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

73 99Monday, June 14, 2010

BATTERY INPUTNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

73 99Monday, June 14, 2010

BATTERY INPUTNOZOMI-3 SWG SDV2

C

MAIN BAT CONN

WIDE PATTERN

NEAR TO Q13

C19

5

390P

F_5

0V10

05_X

5R_K

NA

C19

5

390P

F_5

0V10

05_X

5R_K

NA

12

R48

3

510k

_5%

1005

_1/1

6 w

R48

3

510k

_5%

1005

_1/1

6 w

12

Q1102SK3541Q1102SK3541

32

1

D19DAN222

D19DAN222

312

C19

3

2200

PF

_50V

1005

_X7R

_K

C19

3

2200

PF

_50V

1005

_X7R

_K1

2

R284

510k_5% 1005_1/16 w

R284

510k_5% 1005_1/16 w1 2

Q13SIS406DNQ13SIS406DN

4

1

32

5

R273

100_5% 1005_1/16 w

R273

100_5% 1005_1/16 w1 2

R32

8

6.19

k_1%

1005

_1/1

6 w

R32

8

6.19

k_1%

1005

_1/1

6 w

12

RT

15

PR

F15

BB

541N

B6R

C

RT

15

PR

F15

BB

541N

B6R

C

12

R265

100_5% 1005_1/16 w

R265

100_5% 1005_1/16 w1 2

C20

7

2200

PF

_50V

1005

_X7R

_K

C20

7

2200

PF

_50V

1005

_X7R

_K1

2

R755

0_5% 1005_1/16 w

NA

R755

0_5% 1005_1/16 w

NA

1 2

Q10SI7129DNQ10SI7129DN

523

4

1

J13

CON 1827654_1

J13

CON 1827654_1

7654321

89

F10ERBSD0R50U

F10ERBSD0R50U

21

C40

7

390P

F_5

0V10

05_X

5R_K

NA

C40

7

390P

F_5

0V10

05_X

5R_K

NA

12

R634

100K_5% 1005_1/16 w

R634

100K_5% 1005_1/16 w1 2

C72

2

0.01

UF

_25V

1005

_X7R

_K

C72

2

0.01

UF

_25V

1005

_X7R

_K

12

R74

11M_5

%10

05_1

/16

w

R74

11M_5

%10

05_1

/16

w

12

F12458010

F12458010

21

F5ERBSD0R50U

F5ERBSD0R50U

21

D23DAN222

D23DAN222

312

Q111DTA115EEQ111DTA115EE

1 3

2

R74

4

1M_5

%10

05_1

/16

w

R74

4

1M_5

%10

05_1

/16

w

12

Q8SIS406DNQ8SIS406DN

4

1

32

5

C20

1

390P

F_5

0V10

05_X

5R_K

NA

C20

1

390P

F_5

0V10

05_X

5R_K

NA

12

D60DAN222

D60DAN222

312

C19

9

2200

PF

_50V

1005

_X7R

_K

C19

9

2200

PF

_50V

1005

_X7R

_K1

2

Q34SI7129DNQ34SI7129DN

523

4

1

R332

100_5% 1005_1/16 w

R332

100_5% 1005_1/16 w1 2

R75

3

1M_5

%10

05_1

/16

w

R75

3

1M_5

%10

05_1

/16

w

12

R638

150k_5% 1005_1/16 w

R638

150k_5% 1005_1/16 w

1 2

C19

8

2200

PF

_50V

1005

_X7R

_K

C19

8

2200

PF

_50V

1005

_X7R

_K1

2

C20

3

390P

F_5

0V10

05_X

5R_K

NA

C20

3

390P

F_5

0V10

05_X

5R_K

NA

12

R271

100_5% 1005_1/16 w

R271

100_5% 1005_1/16 w1 2

F20ERBSD0R50U

F20ERBSD0R50U

21

D10DAN222

D10DAN222

312 C

683

0.1U

F_1

0V10

05_X

5R_K

C68

3

0.1U

F_1

0V10

05_X

5R_K

12

R2926.19k_1%

1005_1/16 w

R2926.19k_1%

1005_1/16 w

12

R44

5

4.7K

_5%

1005

_1/1

6 w

R44

5

4.7K

_5%

1005

_1/1

6 w

12

RJ35

SHORT1005_4mil

RJ35

SHORT1005_4mil21

F11458010

F11458010

21

F9ERBSD0R50U

F9ERBSD0R50U

21

R636

150k_5% 1005_1/16 w

R636

150k_5% 1005_1/16 w

1 2

R63

9

100K

_5%

1005

_1/1

6 w

R63

9

100K

_5%

1005

_1/1

6 w

12

Page 74: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

CHG_DL

CHG_DH

CHARGER_OUT12_CSENSE

CHARGER_OUT12_VSENSE

VADJ

CHG_SW

DOCK_CONSUMP [60]

-90W_AC [62]

-EXTPWR [62,68,91]

ISYS [61]

-LPMODE [62]BAT_CRG[68,75]

S_TRCL[68,75]

M_TRCL[68,75]

CHARGE_3CELL[68]

MPWRG[11,25,31,61,64,68,91]-EC_RESET[61,68]

CHARGE_CURRENT_SEL[62]

CHARGE_VOLT_4D2V[68]

CHARGE_VOLT_4D35V[68]

-DOCK_ATTACHED_BAT_OP[60,72]

DCIN_CURRENT_N [72]

DCIN_CURRENT_P [72]

CHARGER_OUT12

VINT20

CHARGER_AGNDCHARGER_AGND

CHARGER_AGNDCHARGER_AGND

CHARGER_AGND

VCC3SW

VCC3M

BQ_VREF

CHARGER_AGND

CHARGER_AGND

CHARGER_AGND

CHARGER_AGND

BQ_VREF

BQ_VREF

DCIN_PWR20_FDOCK_DCIN20_F

DCIN_PWR20_F

BQ_VREF

VCC3M

BQ_VREF

CHARGER_AGND

CHARGER_AGND

CHARGER_AGNDCHARGER_AGND

DOCK_DCIN20_F

CHARGER_AGND

CHARGER_AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

74 99Monday, June 14, 2010

BATTERY CHARGERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

74 99Monday, June 14, 2010

BATTERY CHARGERNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

74 99Monday, June 14, 2010

BATTERY CHARGERNOZOMI-3 SWG SDV2NZM3_SWG_SDV2_EC077

C25

3

10U

F_2

5V32

16_X

5R_K

C25

3

10U

F_2

5V32

16_X

5R_K 1

2

D781SS400G

D781SS400G

12

R86

4

26.7

k_1%

1005

_1/1

6 w

R86

4

26.7

k_1%

1005

_1/1

6 w

12

Q422SK3541Q422SK3541

32

1

R180

1K_1% 1005_1/16 w

R180

1K_1% 1005_1/16 w1 2

R22

7

64.9

k_1%

1005

_1/1

6 w

R22

7

64.9

k_1%

1005

_1/1

6 w

12

R90

4

10k_

5%10

05_1

/16

w

R90

4

10k_

5%10

05_1

/16

w

12

D82RB520S_30D82RB520S_30

21

R7571M_5%1005_1/16 w

NA

R7571M_5%1005_1/16 w

NA

12

R42673.2K_1%

1005_1/16 w

R42673.2K_1%

1005_1/16 w

12

C19

20.1U

F_2

5V16

08_X

7R_K

C19

20.1U

F_2

5V16

08_X

7R_K

12

Q113

RSM002P03NA

Q113

RSM002P03NA

3

1

2

U7

BQ24742

U7

BQ24742

ACDET5

VREF10

VDAC11

ACSET6

LPREF7

VADJ12

ISET16

CE1

TRICKLE8

CELLS20

FSET14

BTST 27

SW 25

LODRV 23

CSP 19

CSN 18

BAT 17

#DPMDET 21

#EXTPWR 13

#LPMOD 4

IADAPT 15

PA

D29

PG

ND

22

AG

ND

9

AC

N2

RE

GN

24

AC

P3

PV

CC

28

HIDRV 26

R688

20_5% 1608_1/10 w

R688

20_5% 1608_1/10 w1 2

D161SS400G

D161SS400G

12

C45

0

0.1U

F_2

5V16

08_X

7R_K

C45

0

0.1U

F_2

5V16

08_X

7R_K

12

R36

7

102k

_1%

1005

_1/1

6 w

R36

7

102k

_1%

1005

_1/1

6 w

12

C20

0.1U

F_1

0V10

05_X

5R_K

C20

0.1U

F_1

0V10

05_X

5R_K 1

2

RJ5

2S

HO

RT

10_1

0MIL

RJ5

2S

HO

RT

10_1

0MIL

12

Q1022SK3541Q1022SK3541

32

1

C74

6

0.01

UF

_25V

1005

_X7R

_K

C74

6

0.01

UF

_25V

1005

_X7R

_K1

2

R363

20_5% 1608_1/10 w

R363

20_5% 1608_1/10 w1 2

C14

1UF

_10V

1608

_X5R

_KC

14

1UF

_10V

1608

_X5R

_K1

2

C74

5

10U

F_2

5V32

16_X

5R_K

C74

5

10U

F_2

5V32

16_X

5R_K 1

2

R512

16.2k_1% 1005_1/16 w

R512

16.2k_1% 1005_1/16 w1 2

R11

0_5% 1005_1/16 w

R11

0_5% 1005_1/16 w1 2

R213

3.3_5% 1608_1/10 w

R213

3.3_5% 1608_1/10 w1 2

R120

0_5% 1608_1/10 wNA

R120

0_5% 1608_1/10 wNA

1 2

C90

0.1U

F_2

5V16

08_X

7R_K

C90

0.1U

F_2

5V16

08_X

7R_K

12

C19

4

10U

F_2

5V32

16_X

5R_K

C19

4

10U

F_2

5V32

16_X

5R_K 1

2

D141SS400G

D141SS400G

12

R75

6

1M_5

%10

05_1

/16

wN

A

R75

6

1M_5

%10

05_1

/16

wN

A

12

Q4

SIS412DN

Q4

SIS412DN4

1 325

C23

3

0.01

UF

_25V

1005

_X7R

_K

C23

3

0.01

UF

_25V

1005

_X7R

_K 12

R71

9

60.4

k_1%

1005

_1/1

6 w

R71

9

60.4

k_1%

1005

_1/1

6 w

12

L5L 4.7uH SPM6530T-4R7M TDK

L5L 4.7uH SPM6530T-4R7M TDK

21

R264

10_1% 1005_1/16 w

R264

10_1% 1005_1/16 w1 2

R121

64.9k_1% 1005_1/16 w

R121

64.9k_1% 1005_1/16 w1 2

C22

10U

F_2

5V32

16_X

5R_K

C22

10U

F_2

5V32

16_X

5R_K 1

2

D84RB520S_30

D84RB520S_302 1

D341SS400G

D341SS400G

12

C16

0.1U

F_2

5V16

08_X

7R_K

C16

0.1U

F_2

5V16

08_X

7R_K

12

Q322SK3541Q322SK3541

32

1

Q119

SIS412DN

Q119

SIS412DN4

1 325

R333

215k_1% 1005_1/16 w

R333

215k_1% 1005_1/16 w1 2

R721

10k_5% 1005_1/16 w

R721

10k_5% 1005_1/16 w1 2

R14

6

40.2

k_1%

1005

_1/1

6 w

R14

6

40.2

k_1%

1005

_1/1

6 w

12

C15

5

100P

F_5

0V10

05_N

PO

_ J

C15

5

100P

F_5

0V10

05_N

PO

_ J 1

2

R379

120k_1% 1005_1/16 w

R379

120k_1% 1005_1/16 w1 2

R584

432k_1% 1005_1/16 w

R584

432k_1% 1005_1/16 w1 2

R11

0

0_5%

1608

_1/1

0 w

R11

0

0_5%

1608

_1/1

0 w

12

R728

0.02_1% 3216_1 w

R728

0.02_1% 3216_1 w1 2

RJ5

3S

HO

RT

10_1

0MIL

RJ5

3S

HO

RT

10_1

0MIL

12

R95

9

2.2_

5%16

08_1

/10

w

R95

9

2.2_

5%16

08_1

/10

w1

2

C1380.01UF_50V1608_X7R_K

C1380.01UF_50V1608_X7R_K

12

D39R

B52

1S_3

0

D39R

B52

1S_3

01

2

C17

4

0.01

UF

_25V

1005

_X7R

_K

C17

4

0.01

UF

_25V

1005

_X7R

_K1

2

D87

1SS400G

D87

1SS400G12

R96

3

0_5%

1005

_1/1

6 w

R96

3

0_5%

1005

_1/1

6 w

12

D18DAP222

D18DAP222

312

Q1122SK3541

NA Q112

2SK3541

NA

32

1

C42

4

10U

F_2

5V32

16_X

5R_K

C42

4

10U

F_2

5V32

16_X

5R_K 1

2C22

1

10U

F_2

5V32

16_X

5R_K

C22

1

10U

F_2

5V32

16_X

5R_K 1

2

R244

1K_5% 1005_1/16 w

R244

1K_5% 1005_1/16 w1 2

C390

0.1UF_10V1005_X5R_K

C390

0.1UF_10V1005_X5R_K12

R15

7

357k

_1%

1005

_1/1

6 w

R15

7

357k

_1%

1005

_1/1

6 w

12

R21

1

52.3

k_1%

1005

_1/1

6 w

R21

1

52.3

k_1%

1005

_1/1

6 w

12

C80

6

0.1U

F_2

5V16

08_X

7R_K

C80

6

0.1U

F_2

5V16

08_X

7R_K

12

C26

10U

F_2

5V32

16_X

5R_K

C26

10U

F_2

5V32

16_X

5R_K 1

2

Q582SK3541Q582SK3541

32

1

C43

6

470P

F_5

0V10

05_X

7R_K

C43

6

470P

F_5

0V10

05_X

7R_K

12

R693

100K_5% 1005_1/16 w

R693

100K_5% 1005_1/16 w1 2

C4440.01UF_50V1608_X7R_K

C4440.01UF_50V1608_X7R_K

12

D291SS400G

D291SS400G

12

RJ48

SHORT10_20MIL

RJ48

SHORT10_20MIL1 2

R72

0

10k_

5%10

05_1

/16

w

R72

0

10k_

5%10

05_1

/16

w1

2

D91SS400G

D91SS400G

12

C447

0.1UF_25V 1608_X7R_K

C447

0.1UF_25V 1608_X7R_K1 2

R759

0_5% 1005_1/16 w

R759

0_5% 1005_1/16 w1 2

C99

1UF

_10V

1005

_X5R

_K

C99

1UF

_10V

1005

_X5R

_K1

2

C35

6

0.1U

F_1

0V10

05_X

5R_K

C35

6

0.1U

F_1

0V10

05_X

5R_K

12

Page 75: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M-BAT-TRCL_A

S-BAT-TRCL_A

BAT_CRG[68,74]

M_TRCL[68,74]

S_TRCL[68,74]

BAT-PWR12CHARGER_OUT12

M-BAT-TRCL

S-BAT-TRCL

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

75 99Monday, June 14, 2010

CHARGE SELECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

75 99Monday, June 14, 2010

CHARGE SELECTORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

75 99Monday, June 14, 2010

CHARGE SELECTORNOZOMI-3 SWG SDV2

C

R12

9

100K

_5%

1005

_1/1

6 w

R12

9

100K

_5%

1005

_1/1

6 w

12

Q63DTC115EEQ63DTC115EE

13

2

D

SG

Q35TPCF8104

D

SG

Q35TPCF8104

4

87

36

21

5

D89DAN222

D89DAN222

312

C1

0.01

UF

_25V

1005

_X7R

_K

C1

0.01

UF

_25V

1005

_X7R

_K1

2

C960.033UF_25V1005_X7R_K

C960.033UF_25V1005_X7R_K

12

Q412SK3541Q412SK3541

32

1

D49DAN222

D49DAN222

312

R16

220k

_5%

1005

_1/1

6 w

R16

220k

_5%

1005

_1/1

6 w

12

R61

6

4.7K

_5%

1005

_1/1

6 w

R61

6

4.7K

_5%

1005

_1/1

6 w

12

R1

470K

_5%

1005

_1/1

6 w

R1

470K

_5%

1005

_1/1

6 w

12

D47DAN222

D47DAN222

312

R58

0

4.7K

_5%

1005

_1/1

6 w

R58

0

4.7K

_5%

1005

_1/1

6 w

12

C2

0.01

UF

_25V

1005

_X7R

_K

C2

0.01

UF

_25V

1005

_X7R

_K1

2

R128

1K_5% 1005_1/16 w

R128

1K_5% 1005_1/16 w1 2

R23

4

470K

_5%

1005

_1/1

6 w

R23

4

470K

_5%

1005

_1/1

6 w

12

Q56SSM6J402TU

Q56SSM6J402TU

5

3

12

6

4

Q54SSM6J402TU

Q54SSM6J402TU

5

3

12

6

4

D70DAN222

D70DAN222

312

R42

200K_5% 1005_1/16 w

R42

200K_5% 1005_1/16 w1 2

Q62DTC115EE

Q62DTC115EE

13

2

C22

3

0.1U

F_2

5V16

08_X

7R_K

C22

3

0.1U

F_2

5V16

08_X

7R_K

12

D431SS400G

D431SS400G1 2

R3

470K

_5%

1005

_1/1

6 w

R3

470K

_5%

1005

_1/1

6 w

12

Page 76: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

M_BATVOLT [61]

BATMON_EN [62]

S_BATVOLT [61]

M-BAT-PWR

S-BAT-PWR

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

76 99Monday, June 14, 2010

BATTERY MONITORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

76 99Monday, June 14, 2010

BATTERY MONITORNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

76 99Monday, June 14, 2010

BATTERY MONITORNOZOMI-3 SWG SDV2

C

R4512K_1%

1005_1/16 w

R4512K_1%

1005_1/16 w

12

D53UDZ5R1B

D53UDZ5R1B

21

D48DAN222

D48DAN222

312

Q29DTC115EEQ29DTC115EE

13

2

D54UDZ5R1B

D54UDZ5R1B

21

R4496.04k_1%

1005_1/16 w

R4496.04k_1%

1005_1/16 w

12Q27

DTA114EEAQ27

DTA114EEA

2

1 3

R4446.04k_1%

1005_1/16 w

R4446.04k_1%

1005_1/16 w

12

Q19DTA114EEA

Q19DTA114EEA

2

1 3

R4472K_1%

1005_1/16 w

R4472K_1%

1005_1/16 w

12

Page 77: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

B_ON

B1_ON

B1_ON

B1_ON

M1_ON[64,68]

A_ON[68]

IMVP_ON[68]

WWAN_ON[68]

B1_ON[68]

VTT_PWRG[84]

VCC5M_ON [78,91]

VCC3M_ON [78]

VCC1R5A_ON [86]

VCORE_ON [79]

0R75B_ON [87] VCC3WAN_ON [97]

VCCSA_ON [90]

B_ON [58,71,84,87,91,95]

1R8B_ON [89]

VCC3B

VCC3B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

77 99Monday, June 14, 2010

POWER SEQUENCENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

77 99Monday, June 14, 2010

POWER SEQUENCENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

77 99Monday, June 14, 2010

POWER SEQUENCENOZOMI-3 SWG SDV2

C

LOGIC

CONSTANTCONNECTD73

VER.2 VER.1/NO

ASM NO-ASM

TABLE

R87

47k_

5%10

05_1

/16

w

R87

47k_

5%10

05_1

/16

w

12

C59

0

1000

PF

_50V

1005

_X7R

_ K

C59

0

1000

PF

_50V

1005

_X7R

_ K

12

R381

0_5% 1005_1/16 w

R381

0_5% 1005_1/16 w

1 2

Q57DTC115EE

Q57DTC115EE

13

2

R866

0_5% 1005_1/16 w

R866

0_5% 1005_1/16 w

1 2

R1043

0_5% 1005_1/16 w

R1043

0_5% 1005_1/16 w

1 2

D971SS400G

D971SS400G1 2

Q53DTC115EE

Q53DTC115EE

13

2

C10

41

0.1U

F_1

0V10

05_X

5R_K

NA

C10

41

0.1U

F_1

0V10

05_X

5R_K

NA

12

R1103

1K_5% 1005_1/16 w

R1103

1K_5% 1005_1/16 w1 2

R623

0_5% 1005_1/16 w

R623

0_5% 1005_1/16 w1 2

R1102

22k_5% 1005_1/16 w

R1102

22k_5% 1005_1/16 w1 2

R867

0_5% 1005_1/16 w

R867

0_5% 1005_1/16 w

1 2

D59DAP222

D59DAP222

312

R405

0_5% 1005_1/16 w

R405

0_5% 1005_1/16 w

1 2

R38

5

10k_

5%10

05_1

/16

w

R38

5

10k_

5%10

05_1

/16

w1

2

R901

0_5% 1005_1/16 w

R901

0_5% 1005_1/16 w

1 2

D73DAN222

NAD73

DAN222

NA

312

R382

0_5% 1005_1/16 w

R382

0_5% 1005_1/16 w

1 2

Page 78: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC3EC_DH

VCC3EC_DL

-PCH_SLP_S3

VCC5M_DL

VCC5M_DH

-PCH_SLP_S3

-PCH_SLP_S3 [25,31,62,64,68]

VCC5M_ON[77,91]

5M_PWRG[91]

-PWRSHUTDOWN[60,68,72,91]

VCC3M_ON [77]

3M_PWRG [91]

VL5 VINT20VINT20

VREF2

S_AGND

S_AGND

S_AGND

VINT20

VREF2 VL5

S_AGND

VCC3M

VCC5M

S_AGND

VCC5M_OUT

VCC3SW

VREF2VL5

S_AGND

S_AGND S_AGND

S_AGND

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

78 99Monday, June 14, 2010

DC/DC VCC5M/VCC3MNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

78 99Monday, June 14, 2010

DC/DC VCC5M/VCC3MNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

78 99Monday, June 14, 2010

DC/DC VCC5M/VCC3MNOZOMI-3 SWG SDV2

C

9A

16A

ESR 18mOHM

ESR 18mOHM

NZM3_SWG_SDV2_EC051 NZM3_SWG_SDV2_EC051

NZM3_SWG_SDV2_EC051

NZM3_SWG_SDV2_EC082

NZM3_SWG_SDV2_EC082

NZM3_SWG_SDV2_EC082

NZM3_SWG_SDV2_EC082

C13

18

10U

F_2

5V32

16_X

5R_K

C13

18

10U

F_2

5V32

16_X

5R_K

12

C405

470PF_50V 1005_X7R_K

C405

470PF_50V 1005_X7R_K1 2

R29

7100K

_5%

1005

_1/1

6 w

NA

R29

7100K

_5%

1005

_1/1

6 w

NA

12

C13

16

10U

F_2

5V32

16_X

5R_K

C13

16

10U

F_2

5V32

16_X

5R_K

12

Q46RJK03E0DNSQ46RJK03E0DNS

2 1

4

5

3

R36

8100K

_5%

1005

_1/1

6 w

R36

8100K

_5%

1005

_1/1

6 w

12

C23

2

10U

F_2

5V32

16_X

5R_K

C23

2

10U

F_2

5V32

16_X

5R_K

12

R91

2

2.2_

5%16

08_1

/10

w

R91

2

2.2_

5%16

08_1

/10

w1

2

C22

510U

F_6

.3V

1608

_X5R

_M C22

510U

F_6

.3V

1608

_X5R

_M 12

R16

040_5%

1005

_1/1

6 w

R16

040_5%

1005

_1/1

6 w

12

C13

05

10U

F_6

.3V

2125

_X5R

_K

C13

05

10U

F_6

.3V

2125

_X5R

_K1

2

Q2RJK03E2DNSQ2RJK03E2DNS

2 1

4

5

3

R22

1

7.5k

_5%

1005

_1/1

6 w

R22

1

7.5k

_5%

1005

_1/1

6 w

12

R330

15k_5% 1005_1/16 w

R330

15k_5% 1005_1/16 w1 2

R90

3

33k_

5%10

05_1

/16

wN

A

R90

3

33k_

5%10

05_1

/16

wN

A

12

C13

06

1UF

_10V

1005

_X5R

_K

C13

06

1UF

_10V

1005

_X5R

_K1

2

C34

0

10U

F_2

5V32

16_X

5R_K

C34

0

10U

F_2

5V32

16_X

5R_K

12

U41

TPS51220ARSNR

U41

TPS51220ARSNR

CO

MP

215

GN

D28

VR

EG

213

CO

MP

110

VIN

23

VR

EG

322

VR

EG

529

V5S

W2

PAD 33

IMON2 14

SKIPSEL2 19

EN2 21

PGOOD2 20

VFB2 16

CSN2 17CSP2 18

DRVL2 27

LL2 25DRVH2 24

VBST2 26

RF3

IMON111

EN12

SKIPSEL16

EN14

PGOOD15

VFB19

CSN18 CSP17

DRVL130

VBST131

DRVH11

LL132

R31

0

10k_

1%10

05_1

/16

w

NAR31

0

10k_

1%10

05_1

/16

w

NA

12

RJ3

1S

HO

RT

10_1

0MIL

RJ3

1S

HO

RT

10_1

0MIL

12

C76

9

470P

F_5

0V10

05_X

7R_K

C76

9

470P

F_5

0V10

05_X

7R_K

12

R88

6

0.01

_1%

0816

_1/3

w

R88

6

0.01

_1%

0816

_1/3

w1

2

Q17RJK03E0DNSQ17RJK03E0DNS

21

4

5

3

Q282SK3541NA

Q282SK3541NA

32

1

RJ3

2S

HO

RT

10_1

0MIL

RJ3

2S

HO

RT

10_1

0MIL

12

C39

2

10U

F_2

5V32

16_X

5R_K

C39

2

10U

F_2

5V32

16_X

5R_K

12

RJ28SHORT10_20MIL

RJ28SHORT10_20MIL

1 2

R112

2.2_5% 1608_1/10 w

R112

2.2_5% 1608_1/10 w1 2

R16

030_5%

1005

_1/1

6 w

R16

030_5%

1005

_1/1

6 w

12

R384

68k_1%1005_1/16 wNA

R384

68k_1%1005_1/16 wNA

1 2

C483

0.1UF_25V 1608_X7R_K

C483

0.1UF_25V 1608_X7R_K1 2

R402

2k_5% 1005_1/16 w

R402

2k_5% 1005_1/16 w1 2

Q6RJK03E0DNSQ6RJK03E0DNS

2 14

5

3

C13

17

10U

F_2

5V32

16_X

5R_K

C13

17

10U

F_2

5V32

16_X

5R_K

12

R87

8

0.01

_1%

0816

_1/3

w

R87

8

0.01

_1%

0816

_1/3

w1

2

C39

3

10U

F_2

5V32

16_X

5R_K

C39

3

10U

F_2

5V32

16_X

5R_K

12

C22

8

0.01

UF

_25V

1005

_X7R

_K

C22

8

0.01

UF

_25V

1005

_X7R

_K1

2

C229

0.1UF_25V 1608_X7R_K

C229

0.1UF_25V 1608_X7R_K1 2

R5002

0_5% 1005_1/16 w

R5002

0_5% 1005_1/16 w1 2

R16

09

68k_

5%10

05_1

/16

wN

A

R16

09

68k_

5%10

05_1

/16

wN

A

12

R40

7100K

_5%

1005

_1/1

6 w

NA

R40

7100K

_5%

1005

_1/1

6 w

NA

12

Q16RJK03E2DNSQ16RJK03E2DNS

2 1

4

5

3

C24

0

10U

F_2

5V32

16_X

5R_K

C24

0

10U

F_2

5V32

16_X

5R_K

12

R52515K_5%

1005_1/16 w

R52515K_5%

1005_1/16 w1 2

C13

04

1UF

_10V

1005

_X5R

_K

C13

04

1UF

_10V

1005

_X5R

_K1

2

C50

2

0.1U

F_2

5V16

08_X

7R_K

C50

2

0.1U

F_2

5V16

08_X

7R_K

12

+

C51

1

330U

F_6

.3V

7343

_6T

PE

330M

IL

+

C51

1

330U

F_6

.3V

7343

_6T

PE

330M

IL1

2

C396

470PF_50V 1005_X7R_K

C396

470PF_50V 1005_X7R_K1 2

C279

0.22UF_10V 1005_X5R_K

C279

0.22UF_10V 1005_X5R_K1 2

C67

0

0.1U

F_1

0V10

05_X

5R_K

NAC67

0

0.1U

F_1

0V10

05_X

5R_K

NA

12

+

C14

0

330U

F_6

.3V

7343

_6T

PE

330M

IL

+

C14

0

330U

F_6

.3V

7343

_6T

PE

330M

IL1

2

R72

5

270k

_5%

1005

_1/1

6 w

R72

5

270k

_5%

1005

_1/1

6 w

12

R315

15k_5% 1005_1/16 w

R315

15k_5% 1005_1/16 w1 2

C14

5

10U

F_2

5V32

16_X

5R_K

C14

5

10U

F_2

5V32

16_X

5R_K

12

R38

6

3.9k

_5%

1005

_1/1

6 w

R38

6

3.9k

_5%

1005

_1/1

6 w

12

R89

5

2.2_

5%16

08_1

/10

w

R89

5

2.2_

5%16

08_1

/10

w1

2C

768

470P

F_5

0V10

05_X

7R_K

C76

8

470P

F_5

0V10

05_X

7R_K

12

L4L 3.3uH FDV1040-3R3M TOKO

L4L 3.3uH FDV1040-3R3M TOKO

21

R5001

0_5% 1005_1/16 w

R5001

0_5% 1005_1/16 w1 2

L3L 1.5uH FDA1055_1R5M TOKO

L3L 1.5uH FDA1055_1R5M TOKO

3

1

2

RJ3

0S

HO

RT

10_1

0MIL

RJ3

0S

HO

RT

10_1

0MIL

12

C40

2

0.22

UF

_6.3

V10

05_X

5R_K

C40

2

0.22

UF

_6.3

V10

05_X

5R_K

12

R36

4

42.2

k_1%

1005

_1/1

6 w

R36

4

42.2

k_1%

1005

_1/1

6 w

12

C22

7

1UF

_25V

1608

_X5R

_K

C22

7

1UF

_25V

1608

_X5R

_K1

2

R88

0

0.01

_1%

0816

_1/3

w

R88

0

0.01

_1%

0816

_1/3

w1

2

R29

9

24.3

k_1%

1005

_1/1

6 w

R29

9

24.3

k_1%

1005

_1/1

6 w

12

C39

4

0.1U

F_1

0V10

05_X

5R_K

NAC39

4

0.1U

F_1

0V10

05_X

5R_K

NA

12

R49

9

10k_

1%10

05_1

/16

w

NAR49

9

10k_

1%10

05_1

/16

w

NA

12

C21

7

10U

F_2

5V32

16_X

5R_K

C21

7

10U

F_2

5V32

16_X

5R_K

12

R298

100k_1% 1005_1/16 w

R298

100k_1% 1005_1/16 w1 2

C86

10U

F_2

5V32

16_X

5R_K

C86

10U

F_2

5V32

16_X

5R_K

12

C49

5

10U

F_2

5V32

16_X

5R_K

C49

5

10U

F_2

5V32

16_X

5R_K

12

Q372SK3541

NA

Q372SK3541

NA

32

1

+

C21

6

470U

F_4

V

7343

_4T

PE

470M

IL

+

C21

6

470U

F_4

V

7343

_4T

PE

470M

IL1

2

R87

9

0.01

_1%

0816

_1/3

w

R87

9

0.01

_1%

0816

_1/3

w1

2

C13

07

10U

F_6

.3V

2125

_X5R

_KN

A

C13

07

10U

F_6

.3V

2125

_X5R

_KN

A

12

RJ2

9S

HO

RT

10_1

0MIL

RJ2

9S

HO

RT

10_1

0MIL

12

R339

100k_1%1005_1/16 w

R339

100k_1%1005_1/16 w1 2

C40

6

1UF

_10V

1005

_X5R

_K

C40

6

1UF

_10V

1005

_X5R

_K1

2

R392

1_5% 1608_1/10 w

R392

1_5% 1608_1/10 w1 2

C694

0.1UF_10V 1005_X5R_K

C694

0.1UF_10V 1005_X5R_K1 2

R88

7

0.01

_1%

0816

_1/3

w

R88

7

0.01

_1%

0816

_1/3

w1

2

Q18RJK03E2DNSQ18RJK03E2DNS

21

4

5

3

C31

4

0.1U

F_2

5V16

08_X

7R_K

C31

4

0.1U

F_2

5V16

08_X

7R_K

12

R61

1100K

_5%

1005

_1/1

6 w

R61

1100K

_5%

1005

_1/1

6 w

12

C98

510U

F_6

.3V

1608

_X5R

_M C98

510U

F_6

.3V

1608

_X5R

_M 12

Page 79: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DB2_CORE VX0_CORE

DB0_CORE

DB1_CORE

SPHASE0_CORE

DB2_CORE

DB0_CORE

DB1_CORE

SPHASE1_CORE

DB1_COREDB2_CORE

DB0_CORE

SPHASE1_CORE

SPHASE0_CORE

IREPORT_GFX

DCMDRP2

DCMDRP1

DB1_CORE

DCMDRP2

DCMDRP1

IREPORT_CORE

DB1_GFX

VX1_CORE

SVID_DATA[7]SVID_CLK[7]

VCORE_ON[77]-SVID_ALERT[7]

CPUCORE_PWRGD[25]

-PROCHOT[4,62]

SPHASE_GFX [81]DB0_GFX [81]DB1_GFX [81]DB2_GFX [81]

VCCGFX_SENSE_I [8]

VSSGFX_SENSE_I [8]

VSSSENSE [7]

TEMP_SENSE_GFX [81]

IDES_P_GFX [81]

IDES_N_GFX [81]

VCCSENSE [7]

GND_1316

VCC3M

VCC5M_OUT

GND_1317S_1

VCC5M_OUT

GND_1317S_2

VCC5M_OUT

VCC5M_OUT

VCCCPUCORE

VCC1R05B_VTT_CPU

VCC5M_OUT

VCC3B VCC1R05B_VTT_CPU

VCC1R05B_VTT_CPU

VCC1R05B_VTT_CPU

GND_1316

GND_1316

GND_1316

GND_1316

GND_1316

GND_1316

GND_1316

VCC3B

VCC5B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

79 99Monday, June 14, 2010

DC/DC VCCCPUCORENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

79 99Monday, June 14, 2010

DC/DC VCCCPUCORENOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

79 99Monday, June 14, 2010

DC/DC VCCCPUCORENOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC050

NZM3_SWG_SDV2_EC050

NZM3_SWG_SDV2_EC050

NZM3_SWG_SDV2_EC076 NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

C28

1

0.1U

F_1

0V10

05_X

5R_K

C28

1

0.1U

F_1

0V10

05_X

5R_K

12

C25

8

10U

F_6

.3V

1608

_X5R

_M

C25

8

10U

F_6

.3V

1608

_X5R

_M1

2

R1154.12K_1%1005_1/16 w

R1154.12K_1%1005_1/16 w

12

RJ20SHORT10_20MIL

RJ20SHORT10_20MIL1 2

R323

0_5% 1005_1/16 w

R323

0_5% 1005_1/16 w1 2

R3458.66K_1%1005_1/16 w

R3458.66K_1%1005_1/16 w

12

C33

8

10U

F_6

.3V

1608

_X5R

_M

C33

8

10U

F_6

.3V

1608

_X5R

_M1

2

C2820.1UF_10V1005_X5R_K

C2820.1UF_10V1005_X5R_K1

2

R282

0_5% 1005_1/16 w

R282

0_5% 1005_1/16 w1 2

R425

7.68K_1% 1005_1/16 w

R425

7.68K_1% 1005_1/16 w1 2

R343

294_1%1005_1/16 w

R343

294_1%1005_1/16 w

1 2

C7530.047UF_25V1005_X7R_K

C7530.047UF_25V1005_X7R_K

12

R365

7.87K_1% 1005_1/16 w

R365

7.87K_1% 1005_1/16 w1 2

C35

5

0.1U

F_1

0V10

05_X

5R_K

C35

5

0.1U

F_1

0V10

05_X

5R_K

12

C1901000PF_50V1005_X7R_ KC1901000PF_50V1005_X7R_ K1 2

R607 1_5% 1005_1/16 wR607 1_5% 1005_1/16 w1 2

R17

9

10k_

1%10

05_1

/16

w

R17

9

10k_

1%10

05_1

/16

w1

2

R275

191_1%1005_1/16 w

R275

191_1%1005_1/16 w

1 2

C35

3

10U

F_6

.3V

1608

_X5R

_M

C35

3

10U

F_6

.3V

1608

_X5R

_M1

2

C1781000PF_50V1005_X7R_ KC1781000PF_50V1005_X7R_ K1 2

R44

23.

09k_

1%10

05_1

/16

w

R44

23.

09k_

1%10

05_1

/16

w1

2

C35

7

1UF

_10V

1005

_X5R

_K

C35

7

1UF

_10V

1005

_X5R

_K1

2

R23

1

200_

1%10

05_1

/16

w

R23

1

200_

1%10

05_1

/16

w1

2

R16

8

10k_

1%10

05_1

/16

w

NA

R16

8

10k_

1%10

05_1

/16

w

NA

12

R194 3.09k_1% 1005_1/16 wR194 3.09k_1% 1005_1/16 w1 2

C1512200PF_50V1005_X7R_K

C1512200PF_50V1005_X7R_K

12

R197 39.2K_1% 1005_1/16 wR197 39.2K_1% 1005_1/16 w1 2

R419

7.68K_1% 1005_1/16 w

R419

7.68K_1% 1005_1/16 w1 2

RT16NTCG104QH224HRT16NTCG104QH224H

21

U19

VT1317S

U19

VT1317SDB1A1

AG

ND

1A

2

AV

DD

1A

3

IDES_PA4 IDES_NA5

DB0A6

DB2B1

AG

ND

2B

2

AV

DD

2B

3

AV

DD

3B

4

AV

DD

4B

5

SPHASEB6

GN

D1

C1

GN

D2

C2

GN

D3

C3

VD

DH

1C

4

VD

DH

2C

5

VD

DH

3C

6

VX1 D1VX2 D2VX3 D3VX4 D4VX5 D5VX6 D6

GN

D4

E1

GN

D5

E2

GN

D6

E3

VD

DH

4E

4

VD

DH

5E

5

VD

DH

6E

6

VX7 F1VX8 F2VX9 F3

VX10 F4VX11 F5VX12 F6

GN

D7

G1

GN

D8

G2

GN

D9

G3

VD

DH

7G

4

VD

DH

8G

5

VD

DH

9G

6

VX13 H1VX14 H2VX15 H3VX16 H4VX17 H5VX18 H6

GN

D10

J1

GN

D11

J2

GN

D12

J3

VD

DH

10J4

VD

DH

11J5

VD

DH

12J6

R42

73.

09k_

1%10

05_1

/16

w

R42

73.

09k_

1%10

05_1

/16

w1

2

R142274K_1%

1005_1/16 w

R142274K_1%

1005_1/16 w

12

R255 1_1% 1005_1/16 w NAR255 1_1% 1005_1/16 w NA1 2

C34

9

1UF

_10V

1005

_X5R

_K

C34

9

1UF

_10V

1005

_X5R

_K1

2

R159 27.4k_1% 1005_1/16 wR159 27.4k_1% 1005_1/16 w1 2

C1640.1UF_10V1005_X5R_K

C1640.1UF_10V1005_X5R_K1 2

R47

0

100_

1%10

05_1

/16

w

R47

0

100_

1%10

05_1

/16

w1

2

C1700.022UF_25V1005_X7R_K

C1700.022UF_25V1005_X7R_K

12

C7520.047UF_25V1005_X7R_K

C7520.047UF_25V1005_X7R_K

12

R152 27.4k_1% 1005_1/16 wR152 27.4k_1% 1005_1/16 w1 2

C32

7

1UF

_10V

1005

_X5R

_K

C32

7

1UF

_10V

1005

_X5R

_K1

2

C1520.1UF_10V1005_X5R_K

C1520.1UF_10V1005_X5R_K1

2

R307

0_5% 1005_1/16 w

R307

0_5% 1005_1/16 w1 2

R592 1_5% 1005_1/16 wR592 1_5% 1005_1/16 w1 2

R336

44.2k_0.5% 1005_1/16 w

R336

44.2k_0.5% 1005_1/16 w1 2

R156 32.4K_1% 1005_1/16 wR156 32.4K_1% 1005_1/16 w1 2

C22

0

10U

F_6

.3V

1608

_X5R

_M

C22

0

10U

F_6

.3V

1608

_X5R

_M1

2

R202 27.4k_1% 1005_1/16 wR202 27.4k_1% 1005_1/16 w1 2

R108127K_1%1005_1/16 w

R108127K_1%1005_1/16 w

12

C1821000PF_50V1005_X7R_ KC1821000PF_50V1005_X7R_ K1 2

C21

947

00P

F_2

5V10

05_X

7R_K

C21

947

00P

F_2

5V10

05_X

7R_K

12

U16

VT1317S

U16

VT1317SDB1A1

AG

ND

1A

2

AV

DD

1A

3

IDES_PA4 IDES_NA5

DB0A6

DB2B1

AG

ND

2B

2

AV

DD

2B

3

AV

DD

3B

4

AV

DD

4B

5

SPHASEB6

GN

D1

C1

GN

D2

C2

GN

D3

C3

VD

DH

1C

4

VD

DH

2C

5

VD

DH

3C

6

VX1 D1VX2 D2VX3 D3VX4 D4VX5 D5VX6 D6

GN

D4

E1

GN

D5

E2

GN

D6

E3

VD

DH

4E

4

VD

DH

5E

5

VD

DH

6E

6

VX7 F1VX8 F2VX9 F3

VX10 F4VX11 F5VX12 F6

GN

D7

G1

GN

D8

G2

GN

D9

G3

VD

DH

7G

4

VD

DH

8G

5

VD

DH

9G

6

VX13 H1VX14 H2VX15 H3VX16 H4VX17 H5VX18 H6

GN

D10

J1

GN

D11

J2

GN

D12

J3

VD

DH

10J4

VD

DH

11J5

VD

DH

12J6

R410

7.68K_1% 1005_1/16 w

R410

7.68K_1% 1005_1/16 w1 2

R2468.25K_1%1005_1/16 w

R2468.25K_1%1005_1/16 w

12

R3583.57K_1%1005_1/16 w

R3583.57K_1%1005_1/16 w

12

C24

1

10U

F_6

.3V

1608

_X5R

_M

C24

1

10U

F_6

.3V

1608

_X5R

_M1

2

R414

7.68K_1% 1005_1/16 w

R414

7.68K_1% 1005_1/16 w1 2

RJ1SHORT10_20MIL

RJ1SHORT10_20MIL

1 2

U2

VT1316MFQ

U2

VT1316MFQ

R_SEL_11

R_SEL_02

GND13

VDIO4

VCLK5

VR_ENABLE6

ALERT#7

VR1_READY8

VR2_READY9

VR_TT1#10

GND211

VDD512

SE

NS

E1+

13

SE

NS

E1-

14

SE

NS

E2-

15

SE

NS

E2+

16

NC

117

DC

MD

RP

118

DC

MD

RP

2/S

TB

19

NC

220

IMO

N1

21

R_R

EF

122

IDE

S1_

P23

IDE

S1_

N24

IMON2 25R_REF2 26IDES2_N 27

IDES2_P 28TEMP_SENSE1 29TEMP_SENSE2 30

DB2_2 31DB2_1 32DB2_0 33SPHASE2 34DB1_2 35DB1_1 36

DB

1_0

37S

PH

AS

E1_

238

SP

HA

SE

1_1

39S

PH

AS

E1_

040

R_O

SC

41

R_S

EL_

644

R_S

EL_

545

R_S

EL_

446

R_S

EL_

347

R_S

EL_

248

GN

D3

49

VD

D3_

142

VD

D3_

243

R33

7

100_

1%10

05_1

/16

wN

A

R33

7

100_

1%10

05_1

/16

wN

A

12

RJ19SHORT10_20MIL

RJ19SHORT10_20MIL

1 2

L BPW10040 TOKO

L1

L BPW10040 TOKO

L1

3

4

2

1

R341

133k_1%1005_1/16 w

R341

133k_1%1005_1/16 w1 2

C1092200PF_50V1005_X7R_K

C1092200PF_50V1005_X7R_K

12

C1911000PF_50V1005_X7R_ KC1911000PF_50V1005_X7R_ K1 2

R45

510

_5%

1005

_1/1

6 w

R45

510

_5%

1005

_1/1

6 w

12

C1770.022UF_25V1005_X7R_K

C1770.022UF_25V1005_X7R_K

12

R46

7

10_5

%10

05_1

/16

w

R46

7

10_5

%10

05_1

/16

w1

2

C22

4

10U

F_6

.3V

1608

_X5R

_M

C22

4

10U

F_6

.3V

1608

_X5R

_M1

2

R217 1_1% 1005_1/16 w NAR217 1_1% 1005_1/16 w NA1 2

C35

0

10U

F_6

.3V

1608

_X5R

_M

C35

0

10U

F_6

.3V

1608

_X5R

_M1

2

R20

9

130_

5%10

05_1

/16

w

R20

9

130_

5%10

05_1

/16

w1

2

R9552.3k_1%1005_1/16 w

R9552.3k_1%1005_1/16 w

12

R404

7.87K_1% 1005_1/16 w

R404

7.87K_1% 1005_1/16 w1 2

C2610.1UF_10V1005_X5R_K

C2610.1UF_10V1005_X5R_K 1

2

R334

0_5% 1005_1/16 w

R334

0_5% 1005_1/16 w1 2

C35

8

1UF

_10V

1005

_X5R

_K

C35

8

1UF

_10V

1005

_X5R

_K1

2

R26

7

100_

1%10

05_1

/16

wN

A

R26

7

100_

1%10

05_1

/16

wN

A

12

R403

7.87K_1% 1005_1/16 w

R403

7.87K_1% 1005_1/16 w1 2

C20

247

00P

F_2

5V10

05_X

7R_K

C20

247

00P

F_2

5V10

05_X

7R_K

12

R350 44.2k_0.5%1005_1/16 w

R350 44.2k_0.5%1005_1/16 w

1 2

R21

956_5

%10

05_1

/16

w

R21

956_5

%10

05_1

/16

w1

2

R123140k_1%1005_1/16 w

R123140k_1%1005_1/16 w

12

R400

7.87K_1% 1005_1/16 w

R400

7.87K_1% 1005_1/16 w1 2

R1031.69K_1%1005_1/16 w

R1031.69K_1%1005_1/16 w

12

R195 23.7K_1% 1005_1/16 wR195 23.7K_1% 1005_1/16 w1 2

C35

2

10U

F_6

.3V

1608

_X5R

_M

C35

2

10U

F_6

.3V

1608

_X5R

_M1

2

R35

2

22.1

K_1

%10

05_1

/16

w

R35

2

22.1

K_1

%10

05_1

/16

w1

2

Page 80: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

80 99Monday, June 14, 2010

BLANKNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

80 99Monday, June 14, 2010

BLANKNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

80 99Monday, June 14, 2010

BLANKNOZOMI-3 SWG SDV2

C

Page 81: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VX_GFX

DB0_GFX[79]

DB1_GFX[79]

DB2_GFX[79]SPHASE_GFX[79]

IDES_N_GFX[79]

IDES_P_GFX[79]

TEMP_SENSE_GFX [79]

VCC5M_OUT

GND_1317S_3

VCC5M_OUT

VCCGFXCORE_I

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

81 99Monday, June 14, 2010

DC/DC VCCGFXCORE_INOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

81 99Monday, June 14, 2010

DC/DC VCCGFXCORE_INOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

81 99Monday, June 14, 2010

DC/DC VCCGFXCORE_INOZOMI-3 SWG SDV2

C

20 x 22uF MLCC are located in CPU socket

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC076

C65

4

22U

F_6

.3V

2125

_X5R

_M

C65

4

22U

F_6

.3V

2125

_X5R

_M1

2

C362

4700PF_25V 1005_X7R_K

C362

4700PF_25V 1005_X7R_K1 2

C40

3

22U

F_6

.3V

2125

_X5R

_M

C40

3

22U

F_6

.3V

2125

_X5R

_M1

2

C73

8

22U

F_6

.3V

2125

_X5R

_M

C73

8

22U

F_6

.3V

2125

_X5R

_M1

2

L2

L 0.12uH MPCH0730LR12 NEC/TOKIN

L2

L 0.12uH MPCH0730LR12 NEC/TOKIN

21

RJ21SHORT10_20MILRJ21SHORT10_20MIL

1 2

C45

6

22U

F_6

.3V

2125

_X5R

_M

C45

6

22U

F_6

.3V

2125

_X5R

_M1

2

C61

5

1UF

_10V

1005

_X5R

_K

C61

5

1UF

_10V

1005

_X5R

_K1

2

C66

3

22U

F_6

.3V

2125

_X5R

_M

C66

3

22U

F_6

.3V

2125

_X5R

_M1

2

R40622.1K_1%1005_1/16 w

R40622.1K_1%1005_1/16 w

12

C37

8

1UF

_10V

1005

_X5R

_K

C37

8

1UF

_10V

1005

_X5R

_K1

2

C41

2

22U

F_6

.3V

2125

_X5R

_M

C41

2

22U

F_6

.3V

2125

_X5R

_M1

2

C42

2

22U

F_6

.3V

2125

_X5R

_M

C42

2

22U

F_6

.3V

2125

_X5R

_M1

2

C43

1

22U

F_6

.3V

2125

_X5R

_M

C43

1

22U

F_6

.3V

2125

_X5R

_M1

2R497 11.5K_1%1005_1/16 w

R497 11.5K_1%1005_1/16 w

1 2

C41

3

22U

F_6

.3V

2125

_X5R

_M

C41

3

22U

F_6

.3V

2125

_X5R

_M1

2

R476 3.16K_1%1005_1/16 w

R476 3.16K_1%1005_1/16 w

1 2

C3670.1UF_10V1005_X5R_K

C3670.1UF_10V1005_X5R_K 1

2

C73

9

22U

F_6

.3V

2125

_X5R

_M

C73

9

22U

F_6

.3V

2125

_X5R

_M1

2

R473 3.16K_1%1005_1/16 w

R473 3.16K_1%1005_1/16 w

1 2

C71

6

22U

F_6

.3V

2125

_X5R

_M

C71

6

22U

F_6

.3V

2125

_X5R

_M1

2

C360 2700PF_50V1005_X7R_ K

C360 2700PF_50V1005_X7R_ K

1 2

C66

2

22U

F_6

.3V

2125

_X5R

_M

C66

2

22U

F_6

.3V

2125

_X5R

_M1

2

C36

3

10U

F_6

.3V

1608

_X5R

_M

C36

3

10U

F_6

.3V

1608

_X5R

_M1

2

U25

VT1317S

U25

VT1317SDB1A1

AG

ND

1A

2

AV

DD

1A

3

IDES_PA4IDES_NA5

DB0A6

DB2B1

AG

ND

2B

2

AV

DD

2B

3

AV

DD

3B

4

AV

DD

4B

5

SPHASEB6

GN

D1

C1

GN

D2

C2

GN

D3

C3

VD

DH

1C

4

VD

DH

2C

5

VD

DH

3C

6

VX1 D1VX2 D2VX3 D3VX4 D4VX5 D5VX6 D6

GN

D4

E1

GN

D5

E2

GN

D6

E3

VD

DH

4E

4

VD

DH

5E

5

VD

DH

6E

6

VX7 F1VX8 F2VX9 F3VX10 F4

VX11 F5VX12 F6

GN

D7

G1

GN

D8

G2

GN

D9

G3

VD

DH

7G

4

VD

DH

8G

5

VD

DH

9G

6

VX13 H1VX14 H2VX15 H3VX16 H4VX17 H5VX18 H6

GN

D10

J1

GN

D11

J2

GN

D12

J3

VD

DH

10J4

VD

DH

11J5

VD

DH

12J6

R498

3.09k_1% 1005_1/16 w

R498

3.09k_1% 1005_1/16 w1 2

R50

7

10_5

%10

05_1

/16

w

R50

7

10_5

%10

05_1

/16

w1

2

RT17NTCG104QH224HRT17NTCG104QH224H

21

C38

7

0.1U

F_1

0V10

05_X

5R_K

C38

7

0.1U

F_1

0V10

05_X

5R_K

12

R50

8

100_

1%10

05_1

/16

w

R50

8

100_

1%10

05_1

/16

w1

2 C45

3

22U

F_6

.3V

2125

_X5R

_M

C45

3

22U

F_6

.3V

2125

_X5R

_M1

2

C64

1

22U

F_6

.3V

2125

_X5R

_M

C64

1

22U

F_6

.3V

2125

_X5R

_M1

2

C37

3

10U

F_6

.3V

1608

_X5R

_M

C37

3

10U

F_6

.3V

1608

_X5R

_M1

2

C37

0

10U

F_6

.3V

1608

_X5R

_M

C37

0

10U

F_6

.3V

1608

_X5R

_M1

2

C40

4

22U

F_6

.3V

2125

_X5R

_M

C40

4

22U

F_6

.3V

2125

_X5R

_M1

2

R492 11.5K_1%1005_1/16 w

R492 11.5K_1%1005_1/16 w

1 2

C37

1

10U

F_6

.3V

1608

_X5R

_M

C37

1

10U

F_6

.3V

1608

_X5R

_M1

2

C44

5

22U

F_6

.3V

2125

_X5R

_M

C44

5

22U

F_6

.3V

2125

_X5R

_M1

2

C361 2700PF_50V1005_X7R_ K

C361 2700PF_50V1005_X7R_ K

1 2

R4113.57K_1%1005_1/16 w

R4113.57K_1%1005_1/16 w

12

Page 82: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCCCPUCORE

VCCCPUCORE

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

82 99Monday, June 14, 2010

VCCCPUCORE DECOUPLINGNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

82 99Monday, June 14, 2010

VCCCPUCORE DECOUPLINGNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

82 99Monday, June 14, 2010

VCCCPUCORE DECOUPLINGNOZOMI-3 SWG SDV2

22UF 6.3V X5R 2125 X 15PCS

10UF 6.3V X5R 2125 X 4PCS

C

NZM3_SWG_SDV2_EC076

NZM3_SWG_SDV2_EC077

C16

5

22U

F_6

.3V

2125

_X5R

_M

C16

5

22U

F_6

.3V

2125

_X5R

_M1

2

C25

1

22U

F_6

.3V

2125

_X5R

_M

C25

1

22U

F_6

.3V

2125

_X5R

_M1

2

C18

7

22U

F_6

.3V

2125

_X5R

_M

C18

7

22U

F_6

.3V

2125

_X5R

_M1

2

C41

7

22U

F_6

.3V

2125

_X5R

_M

C41

7

22U

F_6

.3V

2125

_X5R

_M1

2

C13

6

22U

F_6

.3V

2125

_X5R

_M

C13

6

22U

F_6

.3V

2125

_X5R

_M1

2

C11

3

10U

F_6

.3V

2125

_X5R

_K

C11

3

10U

F_6

.3V

2125

_X5R

_K

12

C39

1

22U

F_6

.3V

2125

_X5R

_M

NA

C39

1

22U

F_6

.3V

2125

_X5R

_M

NA

12

C17

2

22U

F_6

.3V

2125

_X5R

_M

C17

2

22U

F_6

.3V

2125

_X5R

_M1

2

C11

2

10U

F_6

.3V

2125

_X5R

_K

C11

2

10U

F_6

.3V

2125

_X5R

_K

12

C17

6

22U

F_6

.3V

2125

_X5R

_M

NA

C17

6

22U

F_6

.3V

2125

_X5R

_M

NA

12

C15

6

22U

F_6

.3V

2125

_X5R

_M

C15

6

22U

F_6

.3V

2125

_X5R

_M1

2

C37

2

22U

F_6

.3V

2125

_X5R

_M

C37

2

22U

F_6

.3V

2125

_X5R

_M1

2

C34

7

22U

F_6

.3V

2125

_X5R

_M

C34

7

22U

F_6

.3V

2125

_X5R

_M1

2

C35

4

22U

F_6

.3V

2125

_X5R

_M

C35

4

22U

F_6

.3V

2125

_X5R

_M1

2

C41

6

22U

F_6

.3V

2125

_X5R

_M

NA

C41

6

22U

F_6

.3V

2125

_X5R

_M

NA

12

C16

1

22U

F_6

.3V

2125

_X5R

_M

C16

1

22U

F_6

.3V

2125

_X5R

_M1

2

C40

10U

F_6

.3V

2125

_X5R

_K

C40

10U

F_6

.3V

2125

_X5R

_K

12

C16

7

22U

F_6

.3V

2125

_X5R

_M

C16

7

22U

F_6

.3V

2125

_X5R

_M1

2

C18

3

22U

F_6

.3V

2125

_X5R

_M

C18

3

22U

F_6

.3V

2125

_X5R

_M1

2

C42

0

22U

F_6

.3V

2125

_X5R

_M

C42

0

22U

F_6

.3V

2125

_X5R

_M1

2

C38

9

22U

F_6

.3V

2125

_X5R

_M

NA

C38

9

22U

F_6

.3V

2125

_X5R

_M

NA

12

C15

8

22U

F_6

.3V

2125

_X5R

_M

C15

8

22U

F_6

.3V

2125

_X5R

_M1

2

C69

3

22U

F_6

.3V

2125

_X5R

_M

C69

3

22U

F_6

.3V

2125

_X5R

_M1

2

C12

4

10U

F_6

.3V

2125

_X5R

_K

C12

4

10U

F_6

.3V

2125

_X5R

_K

12

C18

6

22U

F_6

.3V

2125

_X5R

_M

C18

6

22U

F_6

.3V

2125

_X5R

_M1

2

C71

5

22U

F_6

.3V

2125

_X5R

_M

C71

5

22U

F_6

.3V

2125

_X5R

_M1

2

C12

5

22U

F_6

.3V

2125

_X5R

_M

C12

5

22U

F_6

.3V

2125

_X5R

_M

12

C16

3

22U

F_6

.3V

2125

_X5R

_M

C16

3

22U

F_6

.3V

2125

_X5R

_M1

2

C18

4

22U

F_6

.3V

2125

_X5R

_M

C18

4

22U

F_6

.3V

2125

_X5R

_M1

2

C69

5

22U

F_6

.3V

2125

_X5R

_M

C69

5

22U

F_6

.3V

2125

_X5R

_M1

2

Page 83: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

GFX_DH_D

GFX_DL_D

VGFX_CORE_RTN_D

GFX_SW_D

GFXCORE_VDD_SENSE_D [19]

PM_VID4[18]

PM_VID3[18]

PM_VID2[18]

PM_VID1[18]

GFXCORE_ON_D[68]

DGFX_PWRGD[24,28]

GFXCORE_GND_SENSE_D [20]

VINT20

VCC5M

VCCGFXCORE_D

GND_3211_D

VCC3VIDEO

VCC3VIDEO VCC5M

VINT20

GND_3211_DGND_3211_D

GND_3211_D

GND_3211_D

GND_3211_D

GND_3211_D

GND_3211_D

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

83 99Monday, June 14, 2010

DC/DC VCCGFXCORE_DNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

83 99Monday, June 14, 2010

DC/DC VCCGFXCORE_DNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

83 99Monday, June 14, 2010

DC/DC VCCGFXCORE_DNOZOMI-3 SWG SDV2

N10X VID<6..0>

0100000=1.100V0100100=1.050V0101000=1.000V0101100=0.950V0110000=0.900V0110100=0.850V

TABLE

16A

GFXCORE_IMON_D1V @22A

C

NZM3_SWG_SDV2_EC077

C43

2

1UF

_10V

1005

_X5R

_K

C43

2

1UF

_10V

1005

_X5R

_K1

2

R48

8

143k

_1%

1005

_1/1

6 w

R48

8

143k

_1%

1005

_1/1

6 w

12

R62

100K

_5%

1005

_1/1

6 w

R62

100K

_5%

1005

_1/1

6 w

12

RJ99

SHORT1005_4mil

RJ99

SHORT1005_4mil21

R38

3

47K

_5%

1005

_1/1

6 w

R38

3

47K

_5%

1005

_1/1

6 w

12

C69

7

10U

F_2

5V32

16_X

5R_K

C69

7

10U

F_2

5V32

16_X

5R_K

12

R450

10_5% 1005_1/16 w

R450

10_5% 1005_1/16 w1 2

R49

5

20K

_1%

1005

_1/1

6 w

R49

5

20K

_1%

1005

_1/1

6 w

12

R47

9

100K

_5%

1005

_1/1

6 w

R47

9

100K

_5%

1005

_1/1

6 w

12

R518

10_5% 1005_1/16 w

R518

10_5% 1005_1/16 w1 2

R377

1K_1% 1005_1/16 w

R377

1K_1% 1005_1/16 w1 2

C3760.047UF_16V1005_X7R_K

C3760.047UF_16V1005_X7R_K

12

R58

5

1.33

M_1

%10

05_1

/16

wN

A

R58

5

1.33

M_1

%10

05_1

/16

wN

A

12

Q40TPCA8040H_DUALQ40TPCA8040H_DUAL

3

5

4

1 2

R45

3

47K

_5%

1005

_1/1

6 w

R45

3

47K

_5%

1005

_1/1

6 w

12

C58

9

10U

F_2

5V32

16_X

5R_K

C58

9

10U

F_2

5V32

16_X

5R_K

12

+

C66

033

0UF

_2.5

V73

43_2

R5T

PE

330M

9

+

C66

033

0UF

_2.5

V73

43_2

R5T

PE

330M

91

2

R54

80_5%

1005

_1/1

6 w

R54

80_5%

1005

_1/1

6 w

12

R39

0

100K

_5%

1005

_1/1

6 w

NA

R39

0

100K

_5%

1005

_1/1

6 w

NA

12

R493

40.2k_1% 1005_1/16 wNA

R493

40.2k_1% 1005_1/16 wNA

1 2

R46

1

7.32

k_1%

1005

_1/1

6 w

R46

1

7.32

k_1%

1005

_1/1

6 w

12

R534

76.8k_1% 1005_1/16 w

R534

76.8k_1% 1005_1/16 w1 2

Q95TPCA8019H_DUALQ95TPCA8019H_DUAL

3

5

4

1 2

C60

8

10U

F_2

5V32

16_X

5R_K

C60

8

10U

F_2

5V32

16_X

5R_K

12

D50

1SS

400G

NAD

501S

S40

0G

NA

12

R398

20K_1%1005_1/16 w

R398

20K_1%1005_1/16 w

1 2

R48

6

47K

_5%

1005

_1/1

6 w

R48

6

47K

_5%

1005

_1/1

6 w

12

R41

5

47K

_5%

1005

_1/1

6 w

R41

5

47K

_5%

1005

_1/1

6 w

12

R49

4

20K

_1%

1005

_1/1

6 w

R49

4

20K

_1%

1005

_1/1

6 w

12

R46

2

47K

_5%

1005

_1/1

6 w

R46

2

47K

_5%

1005

_1/1

6 w

12

+

C60

5

330U

F_2

.5V

7343

_2R

5TP

E33

0M9

NA +

C60

5

330U

F_2

.5V

7343

_2R

5TP

E33

0M9

NA

12

C613

470PF_50V

1005_X7R_KC613

470PF_50V

1005_X7R_K1 2

C41

4

560P

F_5

0V10

05_X

7R_K

C41

4

560P

F_5

0V10

05_X

7R_K

12

R52

0

100K

_5%

1005

_1/1

6 w

NA

R52

0

100K

_5%

1005

_1/1

6 w

NA

12

R53

9

2.2_

5%16

08_1

/10

w

R53

9

2.2_

5%16

08_1

/10

w1

2

C337

470PF_50V1005_X7R_K

C337

470PF_50V1005_X7R_K

1 2

C335100PF_50V1005_NPO_ JNA

C335100PF_50V1005_NPO_ JNA

12

R51

0

100K

_5%

1005

_1/1

6 w

NA

R51

0

100K

_5%

1005

_1/1

6 w

NA

12

C36

8

22P

F_5

0V10

05_N

PO

_ J

C36

8

22P

F_5

0V10

05_N

PO

_ J

12

C64

0

10U

F_6

.3V

2125

_X5R

_K

C64

0

10U

F_6

.3V

2125

_X5R

_K1

2

R51

6

47K

_5%

1005

_1/1

6 w

R51

6

47K

_5%

1005

_1/1

6 w

12

R47

8

80.6

k_1%

1005

_1/1

6 w

R47

8

80.6

k_1%

1005

_1/1

6 w

12

R531

1K_1% 1005_1/16 w

R531

1K_1% 1005_1/16 w1 2

C375

1000PF_50V1005_X7R_ K

C375

1000PF_50V1005_X7R_ K

1 2

C64

2

0.01

UF

_25V

1005

_X7R

_K

C64

2

0.01

UF

_25V

1005

_X7R

_K1

2

C37

7

1000

PF

_50V

1005

_X7R

_ K

C37

7

1000

PF

_50V

1005

_X7R

_ K

12

R52310_5%1608_1/10 w

R52310_5%1608_1/10 w

12

C63

4

10U

F_6

.3V

2125

_X5R

_K

C63

4

10U

F_6

.3V

2125

_X5R

_K1

2

C38

6

68P

F_5

0V10

05_N

PO

_ J

C38

6

68P

F_5

0V10

05_N

PO

_ J

12

R50

1

47K

_5%

1005

_1/1

6 w

R50

1

47K

_5%

1005

_1/1

6 w

12

R613

422k_1% 1005_1/16 w

R613

422k_1% 1005_1/16 w1 2

R52

1

261k

_1%

1005

_1/1

6 w

R52

1

261k

_1%

1005

_1/1

6 w

12

R45

9

100K

_5%

1005

_1/1

6 w

NA

R45

9

100K

_5%

1005

_1/1

6 w

NA

12

RJ97

SHORT1005_4mil

RJ97

SHORT1005_4mil21

RJ43SHORT10_20MIL

RJ43SHORT10_20MIL

1 2

C63

2

0.01

UF

_25V

1005

_X7R

_K

C63

2

0.01

UF

_25V

1005

_X7R

_K1

2

L230.68uH_SPM6530T-R68M140KA

L230.68uH_SPM6530T-R68M140KA

21

C71

2

10U

F_2

5V32

16_X

5R_K

C71

2

10U

F_2

5V32

16_X

5R_K

12

R49

0

100K

_5%

1005

_1/1

6 w

R49

0

100K

_5%

1005

_1/1

6 w

12

C6123.3UF_10V2125_X5R_K

C6123.3UF_10V2125_X5R_K

12

U17

ADP3211

U17

ADP3211

GN

D1

33

GND 17PGND 18DRVL 19PVCC 20

SW 21DRVH 22BST 23

VCC 24

CS

CO

MP

16C

SF

B15

CS

RE

F14

LLIN

E13

RA

MP

12R

T11

RP

M10

IRE

F9

COMP6

FBRTN4

IMON2

CLKEN#3

PWRGD1

FB5

GPU7

ILIM8

VID

625

VID

526

VID

427

VID

328

VID

031

VID

229

VID

130

EN

32

RJ96

SHORT1005_4mil

RJ96

SHORT1005_4mil21

R538

140k_1% 1005_1/16 w

R538

140k_1% 1005_1/16 w1 2

R43

1

100K

_5%

1005

_1/1

6 w

R43

1

100K

_5%

1005

_1/1

6 w

12

R480

10.5k_1% 1005_1/16 w

R480

10.5k_1% 1005_1/16 w1 2

RT18NTCG104QH224H

RT18NTCG104QH224H

21

C38

3

10U

F_2

5V32

16_X

5R_K

C38

3

10U

F_2

5V32

16_X

5R_K

12

C47

8

0.47

UF

_25V

1608

_X5R

_K

C47

8

0.47

UF

_25V

1608

_X5R

_K1

2

RJ98

SHORT1005_4mil

RJ98

SHORT1005_4mil21

R524

1_5% 1608_1/10 w

R524

1_5% 1608_1/10 w1 2

C43

7

100P

F_5

0V10

05_N

PO

_ J

C43

7

100P

F_5

0V10

05_N

PO

_ J

12

C63

0

1UF

_10V

1005

_X5R

_K

C63

0

1UF

_10V

1005

_X5R

_K1

2

+

C49

133

0UF

_2.5

V73

43_2

R5T

PE

330M

9

+

C49

133

0UF

_2.5

V73

43_2

R5T

PE

330M

91

2

R54

0

154k

_1%

1608

_1/1

0 w

R54

0

154k

_1%

1608

_1/1

0 w

12

C33

1

100P

F_5

0V10

05_N

PO

_ J

C33

1

100P

F_5

0V10

05_N

PO

_ J

12

Page 84: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

B_ONB_ON[58,71,77,87,91,95]

VCC_SENSE_VTT [7]

VSS_SENSE_VTT [7]

VTT_PWRG [77]

VCC5M_OUT

AGND_1R05B_VTT

VCC5MVCC5M_OUT

AGND_1R05B_VTT

VCC1R05B_VTT

VCC5M_OUT

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

84 99Monday, June 14, 2010

DC/DC VCC1R05B_VTTNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

84 99Monday, June 14, 2010

DC/DC VCC1R05B_VTTNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

84 99Monday, June 14, 2010

DC/DC VCC1R05B_VTTNOZOMI-3 SWG SDV2

VSENSE-TRACEROUTED DIFFERENTIALLYPARALLEL TO VSENSE+

TO ASSIGN VT357 IN BOM

9A

1.10V R691 = 40.2K1.05V R691 = 38.3KVOUT = 1.212*R691/44.2K

LAY OUT THIS 0.001OHM RESISTORINSIDE OF L37

ESR 18mOHM

C

SDV_EC092

NZM3_SWG_SDV2_EC077

C73

0

22U

F_6

.3V

2125

_X5R

_M

C73

0

22U

F_6

.3V

2125

_X5R

_M1

2

RJ33

SHORT10_20MIL

RJ33

SHORT10_20MIL1 2

C91

4

6800

PF

_25V

1005

_X5R

_K

C91

4

6800

PF

_25V

1005

_X5R

_K1

2

C60

2

22U

F_6

.3V

2125

_X5R

_M

C60

2

22U

F_6

.3V

2125

_X5R

_M1

2

C91

6

0.1U

F_1

0V10

05_X

5R_K

C91

6

0.1U

F_1

0V10

05_X

5R_K

12

C58

8

0.22

UF

_10V

1005

_X5R

_K

C58

8

0.22

UF

_10V

1005

_X5R

_K1

2

R49

0.001_5% 1608_1/10 w

R49

0.001_5% 1608_1/10 w1 2

C62

5

0.1U

F_1

0V10

05_X

5R_K

C62

5

0.1U

F_1

0V10

05_X

5R_K

12

C78

6

22U

F_6

.3V

2125

_X5R

_M

C78

6

22U

F_6

.3V

2125

_X5R

_M1

2

C72

7

22U

F_6

.3V

2125

_X5R

_M

C72

7

22U

F_6

.3V

2125

_X5R

_M1

2

C5972200PF_50V1005_X7R_K

C5972200PF_50V1005_X7R_K

12

C91

2

22U

F_6

.3V

2125

_X5R

_MN

A

C91

2

22U

F_6

.3V

2125

_X5R

_MN

A1

2

R79

110_5

%10

05_1

/16

w

R79

110_5

%10

05_1

/16

w1

2

R80

5

35.7

K_1

%10

05_1

/16

w

R80

5

35.7

K_1

%10

05_1

/16

w1

2

+C

100833

0UF

_6.3

V

7343

_6T

PE

330M

IL

NA

+C

100833

0UF

_6.3

V

7343

_6T

PE

330M

IL

NA

12

R80

4

44.2

k_0.

5%10

05_1

/16

w

R80

4

44.2

k_0.

5%10

05_1

/16

w1

2

C10

40

10U

F_1

0V21

25_X

5R_K

C10

40

10U

F_1

0V21

25_X

5R_K

12

R11

45

1M_1

%10

05_1

/16

wN

A

R11

45

1M_1

%10

05_1

/16

wN

A

12

C78

7

22U

F_6

.3V

2125

_X5R

_M

C78

7

22U

F_6

.3V

2125

_X5R

_M1

2

C64

5

22U

F_6

.3V

2125

_X5R

_M

C64

5

22U

F_6

.3V

2125

_X5R

_M1

2

C10

11

10U

F_1

0V21

25_X

5R_K

C10

11

10U

F_1

0V21

25_X

5R_K

12

R78

9100K

_5%

1005

_1/1

6 w

NA

R78

9100K

_5%

1005

_1/1

6 w

NA

12

L37L 0.2uH MPC0730LR20C

NA

L37L 0.2uH MPC0730LR20C

NA

21

C10

12

10U

F_1

0V21

25_X

5R_K

C10

12

10U

F_1

0V21

25_X

5R_K

12

U18

VT357FCX-ADJ-007

U18

VT357FCX-ADJ-007

VX1 D1

VX2 D2

VX3 D3

VX4 D4

VSENSE+ A4

VDES A3

STAT B5BIASA1

OEA5

IRIPLB2

R_SEL/LOADA2

VD

D2

C5

VD

D1

C4

VD

D4

E5

VD

D3

E4

AV

DD

B3

GN

D1

C1

GN

D2

C2

GN

D3

C3

GN

D4

E1

GN

D5

E2

GN

D6

E3

AG

ND

B1

VX5 D5

TEMPB4

C91

1

22U

F_6

.3V

2125

_X5R

_MN

A

C91

1

22U

F_6

.3V

2125

_X5R

_MN

A1

2

R811

0_5% 1005_1/16 w

R811

0_5% 1005_1/16 w1 2

L16

0.2uH_SPM5030T-R20M

L16

0.2uH_SPM5030T-R20M21

R808

0_5% 1005_1/16 w

R808

0_5% 1005_1/16 w1 2

R69

1

38.3

k_0.

5%10

05_1

/16

w

R69

1

38.3

k_0.

5%10

05_1

/16

w1

2

C59

5

22U

F_6

.3V

2125

_X5R

_M

C59

5

22U

F_6

.3V

2125

_X5R

_M1

2

C64

4

0.01

UF

_16V

1005

_X7R

_K

C64

4

0.01

UF

_16V

1005

_X7R

_K1

2

R80

2

5.9K

_0.5

%10

05_1

/16

w

R80

2

5.9K

_0.5

%10

05_1

/16

w1

2

C58

7

0.01

UF

_25V

1005

_X7R

_K

C58

7

0.01

UF

_25V

1005

_X7R

_K1

2

C90

5

22U

F_6

.3V

2125

_X5R

_M

C90

5

22U

F_6

.3V

2125

_X5R

_M1

2

C91

3

22U

F_6

.3V

2125

_X5R

_MN

A

C91

3

22U

F_6

.3V

2125

_X5R

_MN

A1

2

Page 85: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

1R05LAN_PWRG [94]

VCCLAN_ON[68,91,94]

AGND_1R05LAN

VCC5M_OUT VCC5M_OUT

VCC1R05LAN

AGND_1R05LAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

85 99Monday, June 14, 2010

DC/DC VCC1R05LANNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

85 99Monday, June 14, 2010

DC/DC VCC1R05LANNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

85 99Monday, June 14, 2010

DC/DC VCC1R05LANNOZOMI-3 SWG SDV2

VSENSE-TRACEROUTEDDIFFERENTIALLYPARALLEL TO VSENSE+

10A

C

NZM3_SWG_SDV2_EC077

C13

15

22U

F_6

.3V

2125

_X5R

_M

C13

15

22U

F_6

.3V

2125

_X5R

_M1

2

C94

3

10U

F_1

0V21

25_X

5R_K

C94

3

10U

F_1

0V21

25_X

5R_K

12

C96

8

22U

F_6

.3V

2125

_X5R

_M

C96

8

22U

F_6

.3V

2125

_X5R

_M1

2

R89

7

0.01

_1%

0816

_1/3

w

R89

7

0.01

_1%

0816

_1/3

w1

2

C9716800PF_25V1005_X5R_K

C9716800PF_25V1005_X5R_K

12

C95

0

0.01

UF

_16V 1005_X7R_K

C95

0

0.01

UF

_16V 1005_X7R_K

12

R67

2

0.01

_1%

0816

_1/3

w

R67

2

0.01

_1%

0816

_1/3

w1

2

RJ34

SHORT10_20MIL

RJ34

SHORT10_20MIL1 2

C97

0

0.1U

F_1

0V10

05_X

5R_K

C97

0

0.1U

F_1

0V10

05_X

5R_K

12

C96

7

22U

F_6

.3V

2125

_X5R

_M

C96

7

22U

F_6

.3V

2125

_X5R

_M1

2

R81

410_5

%10

05_1

/16

w

R81

410_5

%10

05_1

/16

w1

2

R11

46

1M_1

%10

05_1

/16

wN

A

R11

46

1M_1

%10

05_1

/16

wN

A

12

R81

8

38.3

k_0.

5%10

05_1

/16

w

R81

8

38.3

k_0.

5%10

05_1

/16

w1

2

C94

7

0.1U

F_1

0V10

05_X

5R_K

C94

7

0.1U

F_1

0V10

05_X

5R_K

12

C94

6

22U

F_6

.3V

2125

_X5R

_M

C94

6

22U

F_6

.3V

2125

_X5R

_M1

2

C95

3

22U

F_6

.3V

2125

_X5R

_MN

A

C95

3

22U

F_6

.3V

2125

_X5R

_MN

A1

2

R81

6

25.5

k_1%

1005

_1/1

6 w

R81

6

25.5

k_1%

1005

_1/1

6 w

12

C94

8

22U

F_6

.3V

2125

_X5R

_M

C94

8

22U

F_6

.3V

2125

_X5R

_M1

2

R90

2

0.01

_1%

0816

_1/3

w

R90

2

0.01

_1%

0816

_1/3

w1

2

C94

2

2200

PF

_50V

1005

_X7R

_K

C94

2

2200

PF

_50V

1005

_X7R

_K

12

U28

VT356FCX-ADJ-007

U28

VT356FCX-ADJ-007

TEMPB4

OEA5

IRIPLB2

R_SELI/ILOADA2

BIASA1

VX1 D1

VX2 D2

VX3 D3

VX4 D4

VX5 D5

VSENSE+ A4

VDES A3

STAT B5

AV

DD

B3

VD

D1

C4

VD

D2

C5

AG

ND

B1

GN

D1

C1

GN

D2

C2

GN

D3

C3

L280.2uH_SPM5030T-R20M

L280.2uH_SPM5030T-R20M

21

C95

2

22U

F_6

.3V

2125

_X5R

_M

C95

2

22U

F_6

.3V

2125

_X5R

_M1

2

R81

5

6.49

k_0.

5%10

05_1

/16

w

R81

5

6.49

k_0.

5%10

05_1

/16

w1

2

R81

7

44.2

k_0.

5%10

05_1

/16

w

R81

7

44.2

k_0.

5%10

05_1

/16

w1

2

RJ59

SHORT10_10MIL

RJ59

SHORT10_10MIL1 2

RJ60

SHORT10_10MIL

RJ60

SHORT10_10MIL1 2

C93

5

0.22

UF

_10V

1005

_X5R

_K

C93

5

0.22

UF

_10V

1005

_X5R

_K1

2

C94

5

10U

F_1

0V21

25_X

5R_K

C94

5

10U

F_1

0V21

25_X

5R_K

12

Page 86: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC1R5A_ON[77]

AGND_1R5A

AGND_1R5A

VCC5M_OUTVCC5M_OUT

VCC1R5A

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

86 99Monday, June 14, 2010

DC/DC VCC1R5ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

86 99Monday, June 14, 2010

DC/DC VCC1R5ANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

86 99Monday, June 14, 2010

DC/DC VCC1R5ANOZOMI-3 SWG SDV2

VSENSE-TRACEROUTED DIFFERENTIALLYPARALLEL TO VSENSE+

18A

C

NZM3_SWG_SDV2_EC077

RJ61

SHORT10_10MIL

RJ61

SHORT10_10MIL1 2

C64

6

10U

F_1

0V21

25_X

5R_K

C64

6

10U

F_1

0V21

25_X

5R_K

12

RJ16SHORT10_10MIL

RJ16SHORT10_10MIL

1 2

C87

8

22U

F_6

.3V

2125

_X5R

_M

C87

8

22U

F_6

.3V

2125

_X5R

_M1

2

R10

06

0.01

_1%

0816

_1/3

w

R10

06

0.01

_1%

0816

_1/3

w1

2

L70.2uH_SPM5030T-R20M

L70.2uH_SPM5030T-R20M

21

C57

0

0.01

UF

_16V

1005_X7R_K

C57

0

0.01

UF

_16V

1005_X7R_K

12

C60

0

0.1U

F_1

0V10

05_X

5R_K

C60

0

0.1U

F_1

0V10

05_X

5R_K

12

C60

7

6800

PF

_25V

1005

_X5R

_K

C60

7

6800

PF

_25V

1005

_X5R

_K1

2

RJ45SHORT10_20MIL

RJ45SHORT10_20MIL

1 2

C59

2

22U

F_6

.3V

2125

_X5R

_M

C59

2

22U

F_6

.3V

2125

_X5R

_M1

2

C59

8

22U

F_6

.3V

2125

_X5R

_M

C59

8

22U

F_6

.3V

2125

_X5R

_M1

2

C48

2

10U

F_1

0V21

25_X

5R_K

C48

2

10U

F_1

0V21

25_X

5R_K

12

C47

5

2200

PF

_50V

1005

_X7R

_K

C47

5

2200

PF

_50V

1005

_X7R

_K1

2

R64

9

56.2

k_1%

1005

_1/1

6 w

R64

9

56.2

k_1%

1005

_1/1

6 w

12

R90

5

0.01

_1%

0816

_1/3

w

R90

5

0.01

_1%

0816

_1/3

w1

2

C59

9

22U

F_6

.3V

2125

_X5R

_M

C59

9

22U

F_6

.3V

2125

_X5R

_M1

2

R62

5

6.49

k_0.

5%10

05_1

/16

w

R62

5

6.49

k_0.

5%10

05_1

/16

w1

2

R91

1

0.01

_1%

0816

_1/3

w

R91

1

0.01

_1%

0816

_1/3

w1

2

C88

0

22U

F_6

.3V

2125

_X5R

_M

C88

0

22U

F_6

.3V

2125

_X5R

_M1

2

R62

7

44.2

k_0.

5%10

05_1

/16

w

R62

7

44.2

k_0.

5%10

05_1

/16

w1

2

C88

9

22U

F_6

.3V

2125

_X5R

_M

NA

C88

9

22U

F_6

.3V

2125

_X5R

_M

NA

12

R62

4

28.0

K_1

%10

05_1

/16

w

R62

4

28.0

K_1

%10

05_1

/16

w1

2

C88

1

22U

F_6

.3V

2125

_X5R

_M

NA

C88

1

22U

F_6

.3V

2125

_X5R

_M

NA

12

C59

4

22U

F_6

.3V

2125

_X5R

_M

C59

4

22U

F_6

.3V

2125

_X5R

_M1

2

R62

610_5

%10

05_1

/16

w

R62

610_5

%10

05_1

/16

w1

2

C57

2

22U

F_6

.3V

2125

_X5R

_M

C57

2

22U

F_6

.3V

2125

_X5R

_M1

2

C46

1

0.22

UF

_10V

1005

_X5R

_K

C46

1

0.22

UF

_10V

1005

_X5R

_K1

2

C49

3

0.1U

F_1

0V10

05_X

5R_K

C49

3

0.1U

F_1

0V10

05_X

5R_K

12

U32

VT357FCX-ADJ-007

U32

VT357FCX-ADJ-007

VX1 D1

VX2 D2

VX3 D3

VX4 D4

VSENSE+ A4

VDES A3

STAT B5BIASA1

OEA5

IRIPLB2

R_SEL/LOADA2

VD

D2

C5

VD

D1

C4

VD

D4

E5

VD

D3

E4

AV

DD

B3

GN

D1

C1

GN

D2

C2

GN

D3

C3

GN

D4

E1

GN

D5

E2

GN

D6

E3

AG

ND

B1

VX5 D5

TEMPB4

C52

0

22U

F_6

.3V

2125

_X5R

_M

C52

0

22U

F_6

.3V

2125

_X5R

_M1

2

C47

6

10U

F_1

0V21

25_X

5R_K

C47

6

10U

F_1

0V21

25_X

5R_K

12

R63

0

100K

_5%

1005

_1/1

6 w

NA

R63

0

100K

_5%

1005

_1/1

6 w

NA

12

Page 87: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC0R75B_SENSEVCC1R5A_SENSE

0R75B_ON

0R75B_ON

0R75B_ON[77] DRAMPWRG [4,25,31]

B_ON[58,71,77,84,91,95]

VCC1R5A

VCC3M

VCC1R5A

VCC0R75B

VCC0R75B

DDR3_VREF

VCC3MVCC0R75B

DDR3_VREF DDR3_VREF_CPU

VCC5M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

87 99Monday, June 14, 2010

DC/DC VCC0R75BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

87 99Monday, June 14, 2010

DC/DC VCC0R75BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

87 99Monday, June 14, 2010

DC/DC VCC0R75BNOZOMI-3 SWG SDV2

NEAR DIMM CONN

CONNECT TODIMM CONNECTOR

1A

CONNECT TODIMM CONNECTOR

C

CNV_EC061

NZM3_SWG_SDV2_EC077

R135

10k_1%1005_1/16 w

R135

10k_1%1005_1/16 w

1 2

R155 0_5% 1005_1/16 wR155 0_5% 1005_1/16 w1 2

U70

MAX1510ETB

U70

MAX1510ETB

PGOOD 5OUTS 6

REFOUT 1

OUT 9

-SHDN7

REFIN4

PG

ND

8A

GN

D3

PA

D11

VC

C2

IN10

RJ3

7

SH

OR

T10

_10M

IL

RJ3

7

SH

OR

T10

_10M

IL1

2

Q72DTC115EE

Q72DTC115EE

13

2

R10

2322_5

%10

05_1

/16

w

R10

2322_5

%10

05_1

/16

w1

2

C40

1

1UF

_10V

1005

_X5R

_K

C40

1

1UF

_10V

1005

_X5R

_K1

2

C91

5

0.1U

F_1

0V10

05_X

5R_K

C91

5

0.1U

F_1

0V10

05_X

5R_K

12

Q1282SK3541Q1282SK3541

32

1

C18

5

0.1U

F_1

0V10

05_X

5R_K

C18

5

0.1U

F_1

0V10

05_X

5R_K

12

C93

7

0.01

UF

_25V

1005

_X7R

_K

C93

7

0.01

UF

_25V

1005

_X7R

_K1

2

R10

01

1M_5

%10

05_1

/16

w

R10

01

1M_5

%10

05_1

/16

w1

2

C91

7

1000

PF

_50V

1005

_X7R

_ K

C91

7

1000

PF

_50V

1005

_X7R

_ K

12

Q672SK3541

Q672SK3541

3 2

1

R1000

0_5% 1005_1/16 w

R1000

0_5% 1005_1/16 w1 2

C98

7

10U

F_6

.3V

2125

_X5R

_K

C98

7

10U

F_6

.3V

2125

_X5R

_K1

2

R91

3

0.01

_1%

0816

_1/3

w

R91

3

0.01

_1%

0816

_1/3

w1

2

R10

2210k_

5%10

05_1

/16

w

R10

2210k_

5%10

05_1

/16

w1

2

R10

02

100K

_5%

1005

_1/1

6 w

R10

02

100K

_5%

1005

_1/1

6 w

12

RJ4

0

SH

OR

T10

_10M

IL

RJ4

0

SH

OR

T10

_10M

IL1

2

C42322UF_6.3V2125_X5R_M

C42322UF_6.3V2125_X5R_M

12

C41

8

10U

F_6

.3V

2125

_X5R

_K

C41

8

10U

F_6

.3V

2125

_X5R

_K1

2

Q66DTA115EE

Q66DTA115EE

1 3

2

R35

4

10k_

1%10

05_1

/16

w

R35

4

10k_

1%10

05_1

/16

w1

2

Q127DTC115EE

Q127DTC115EE

13

2

Page 88: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

1R5VIDEO_ON

VOUT_1R5V

SENSE+_1R5V

1R5VIDEO_ON[68]

AGND_1R5VIDEO

VCC5M_OUTVCC5M_OUT

VCC1R5VIDEOAGND_1R5VIDEO

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

88 99Monday, June 14, 2010

DC/DC VCC1R5VIDEONOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

88 99Monday, June 14, 2010

DC/DC VCC1R5VIDEONOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

88 99Monday, June 14, 2010

DC/DC VCC1R5VIDEONOZOMI-3 SWG SDV2

VOUT = 0.8*(R601+R766)/R766

3A

C

NZM3_SWG_SDV2_EC053

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC072

NZM3_SWG_SDV2_EC077

R58310_5%1005_1/16 w

R58310_5%1005_1/16 w

12

C82

310

UF

_6.3

V 1608

_X5R

_MC

823

10U

F_6

.3V 16

08_X

5R_M

12

RJ55

SHORT10_10MIL

RJ55

SHORT10_10MIL1 2

U66

BD9139MUV

U66

BD9139MUV

SW1 1

SW2 2

SW3 3

SW4 4

ADJ 11

VC

C9

PV

CC

26

PV

CC

15

GN

D13

PG

ND

116

PG

ND

215

PG

ND

314

PV

CC

37

BST 8

EN10

ITH12

THERMAL_PAD 17

R601

13.3K_1%1005_1/16 w

R601

13.3K_1%1005_1/16 w

1 2

RJ27SHORT10_20MIL

RJ27SHORT10_20MIL

1 2

C81

6

0.1U

F_1

0V10

05_X

5R_K

C81

6

0.1U

F_1

0V10

05_X

5R_K

12

C4581000PF_50V1005_X7R_ K

C4581000PF_50V1005_X7R_ K

12

R7346.8K_5%1005_1/16 w

R7346.8K_5%1005_1/16 w

12

C988

0.1UF_10V 1005_X5R_K

C988

0.1UF_10V 1005_X5R_K1 2

C82

0

22U

F_6

.3V

2125

_X5R

_M

C82

0

22U

F_6

.3V

2125

_X5R

_M1

2

C8026800PF_25V1005_X7R_K

C8026800PF_25V1005_X7R_K

12

L32

2.2uH_VLC5020T_2R2N

L32

2.2uH_VLC5020T_2R2N

21

C82

410

UF

_6.3

V 1608

_X5R

_MC

824

10U

F_6

.3V 16

08_X

5R_M

12

C12

12

22U

F_6

.3V

2125

_X5R

_M

NAC12

12

22U

F_6

.3V

2125

_X5R

_M

NA

12

C11

95

22U

F_6

.3V

2125

_X5R

_M

NA

C11

95

22U

F_6

.3V

2125

_X5R

_M

NA

12

C81

3

0.01

UF

_25V

1005

_X7R

_K

C81

3

0.01

UF

_25V

1005

_X7R

_K1

2

R76615k_1%1005_1/16 w

R76615k_1%1005_1/16 w

12

C97

30.

01U

F_2

5V10

05_X

7R_K

C97

30.

01U

F_2

5V10

05_X

7R_K

12

Page 89: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

TPS62290_SW

TPS62290_FB

1R8B_ON1R8B_ON[77]

VCC5M_OUT

VCC1R8B

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

89 99Monday, June 14, 2010

DC/DC VCC1R8BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

89 99Monday, June 14, 2010

DC/DC VCC1R8BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

89 99Monday, June 14, 2010

DC/DC VCC1R8BNOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC049

NZM3_SWG_SDV2_EC077

C618

22PF_50V 1005_NPO_ J

C618

22PF_50V 1005_NPO_ J1 2

R78

4

0.01

_1%

0816

_1/3

w

R78

4

0.01

_1%

0816

_1/3

w1

2

R652

360k_5% 1005_1/16 w

R652

360k_5% 1005_1/16 w1 2

C45

7

10U

F_1

0V21

25_X

5R_K

C45

7

10U

F_1

0V21

25_X

5R_K

12

C81

4

10U

F_6

.3V

1608

_X5R

_M

C81

4

10U

F_6

.3V

1608

_X5R

_M1

2

R517

0_5% 1005_1/16 w

R517

0_5% 1005_1/16 w1 2

U59TPS62290DRVR

U59TPS62290DRVR

SW 1

MODE2

FB 3

EN4VIN5

GND16

GN

D2

7

GN

D3

8

L6L 2.2uH VLS3015ET-2R2M TDK

L6L 2.2uH VLS3015ET-2R2M TDK

21

R52

6

180k

_5%

1005

_1/1

6 w

R52

6

180k

_5%

1005

_1/1

6 w

12

R34

0_5% 1005_1/16 wNA

R34

0_5% 1005_1/16 wNA

1 2

Page 90: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCCSA_ON[77]

SAPWRG [62]

VCCSA_SEL[8]

VCCSA_SENSE [8]

AGND_SA

AGND_SA

VCC5M_OUTVCC5M_OUT

VCCSA

VCCSA

VCC1R05B_VTT

VCC3M

AGND_SA

AGND_SA

VCC3M

AGND_SA

AGND_SA

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

90 99Monday, June 14, 2010

DC/DC VCCSANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

90 99Monday, June 14, 2010

DC/DC VCCSANOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

90 99Monday, June 14, 2010

DC/DC VCCSANOZOMI-3 SWG SDV2

VSENSE-TRACEROUTED DIFFERENTIALLYPARALLEL TO VSENSE+

DC/DC VCCSA (VT356)VCCSA=0.9V/0.8V

PART No.DATE EC No.

VCCSA=0.9V/0.8V 6A

TABLE

VCCSA_SEL

VCC_SA

VCCSA

L(0V)H(1.05V)

0.9V0.8V

C

layout note: place RJ62 near U58 pin H21

NZM3_SWG_SDV2_EC077

C70

8

22U

F_6

.3V

2125

_X5R

_MN

A

C70

8

22U

F_6

.3V

2125

_X5R

_MN

A

12

C70

9

22U

F_6

.3V

2125

_X5R

_MN

A

C70

9

22U

F_6

.3V

2125

_X5R

_MN

A

12

RJ18SHORT10_20MIL

RJ18SHORT10_20MIL

1 2

R83

2

44.2

k_0.

5%10

05_1

/16

w

R83

2

44.2

k_0.

5%10

05_1

/16

w1

2

C97

7

10U

F_1

0V21

25_X

5R_K

C97

7

10U

F_1

0V21

25_X

5R_K

12

Q72SK3541

Q72SK3541

32

1

C97

5

0.22

UF

_10V

1005

_X5R

_K

C97

5

0.22

UF

_10V

1005

_X5R

_K1

2

C97

6

2200

PF

_50V

1005

_X7R

_K

C97

6

2200

PF

_50V

1005

_X7R

_K1

2 C10

07

6800

PF

_25V

1005

_X5R

_K

C10

07

6800

PF

_25V

1005

_X5R

_K1

2

C10

06

0.1U

F_1

0V10

05_X

5R_K

C10

06

0.1U

F_1

0V10

05_X

5R_K

12

D

S

Q20TPCF8002D

S

Q20TPCF8002

4

873 621

5

R75

8

1.24

K_0

.5%

1005

_1/1

6 w

R75

8

1.24

K_0

.5%

1005

_1/1

6 w

12

C97

8

10U

F_1

0V21

25_X

5R_K

C97

8

10U

F_1

0V21

25_X

5R_K

12

L350.2uH_SPM5030T-R20M

L350.2uH_SPM5030T-R20M

21

R82

2

100K

_5%

1005

_1/1

6 w

NA

R82

2

100K

_5%

1005

_1/1

6 w

NA

12

R82

310_5

%10

05_1

/16

w

R82

310_5

%10

05_1

/16

w1

2

VCC

GND

Q15BTC7WH02FK

VCC

GND

Q15BTC7WH02FK8

4

53

6

R94

9

10k_

5%10

05_1

/16

w

R94

9

10k_

5%10

05_1

/16

w1

2

C98

1

0.1U

F_1

0V10

05_X

5R_K

C98

1

0.1U

F_1

0V10

05_X

5R_K

12

C67

5

22U

F_6

.3V

2125

_X5R

_M

C67

5

22U

F_6

.3V

2125

_X5R

_M1

2

R83

3

31.6

K_0

.5%

1005

_1/1

6 w

R83

3

31.6

K_0

.5%

1005

_1/1

6 w

12

R5004100_1%1005_1/16 w

R5004100_1%1005_1/16 w

12

R82

4

5.9k

_0.5

%10

05_1

/16

w

R82

4

5.9k

_0.5

%10

05_1

/16

w1

2

C98

4

0.01

UF

_16V

1005_X7R_K

C98

4

0.01

UF

_16V

1005_X7R_K

12

C7070.01UF_25V1005_X7R_K

C7070.01UF_25V1005_X7R_K

12

R95

0

3.9_

5%32

16_1

/4 w

R95

0

3.9_

5%32

16_1

/4 w

12

VCC

GND

Q15ATC7WH02FK

VCC

GND

Q15ATC7WH02FK8

4

27

1

C67

3

22U

F_6

.3V

2125

_X5R

_M

C67

3

22U

F_6

.3V

2125

_X5R

_M1

2

C68

1

22U

F_6

.3V

2125

_X5R

_M

C68

1

22U

F_6

.3V

2125

_X5R

_M1

2

U37

VT356FCX-ADJ-007

U37

VT356FCX-ADJ-007

TEMPB4

OEA5

IRIPLB2

R_SELI/ILOADA2

BIASA1

VX1 D1

VX2 D2

VX3 D3

VX4 D4

VX5 D5

VSENSE+ A4

VDES A3

STAT B5

AV

DD

B3

VD

D1

C4

VD

D2

C5

AG

ND

B1

GN

D1

C1

GN

D2

C2

GN

D3

C3

RJ62

SHORT10_10MIL

RJ62

SHORT10_10MIL1 2

C67

2

22U

F_6

.3V

2125

_X5R

_M

C67

2

22U

F_6

.3V

2125

_X5R

_M1

2

R5005100_1%1005_1/16 w

R5005100_1%1005_1/16 w

12

R75

0

43.2

k_0.

5%10

05_1

/16

w

R75

0

43.2

k_0.

5%10

05_1

/16

w1

2

R82

9

30.1

k_1%

1005

_1/1

6 w

R82

9

30.1

k_1%

1005

_1/1

6 w

12

R46

9221k

_0.5

%10

05_1

/16

w

R46

9221k

_0.5

%10

05_1

/16

w1

2

U43SN74AUP1G06DCKR

U43SN74AUP1G06DCKR

VCC5

A2

NC1 GND 3

Y 4

R76252.3k_1%1005_1/16 w

R76252.3k_1%1005_1/16 w

12

Page 91: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

5M_PWRG

3M_PWRG

-PWRSHUTDOWN

VCC3B_DRV [35,95]

VCC5B_DRV [95]

VCC3P_DRV [32]

3FP_DRV [64]

B_DRV [95]

VCC5MUBAY_DRV [96]

AMT_DRV [94]

1R05VIDEO_DRV [93]

VCC3LAN_DRV [92]

M1_DRV [73]M2_DRV [73]

S1_DRV [60]S2_DRV [60]

BAT_DRV [73]DCIN_DRV [72]

MPWRG [11,25,31,61,64,68,74]BPWRG [11,25,31,62,68,70,71,94]

5M_PWRG [78]

3M_PWRG [78]

-PWRSHUTDOWN [60,68,72,78]

VCC5M_ON[77,78]

B_ON[58,71,77,84,87,95]

PANEL_POWER_ON[36]

3FP_ON[64]

ULTRA_ON[68]

AMT_ON[68,94]

1R05VIDEO_ON[15,68]

VCCLAN_ON[68,85,94]

M1GATEON[68]M2GATEON[68]

S1GATEON[68]S2GATEON[68]

-EXTPWR[62,68,74]DISCHARGE[60,62]

-SHUTDOWN[70]

VCC3B VCC5B VCC3P

VCC3M VCC3B

VCC5M

VDD15

VCC3SWVCC5MVCC3M

VDD15VCC5MVCC3MVINT20

VCC3SW

VREGIN20

VINT20

VCC3SW

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

91 99Monday, June 14, 2010

DC/DC RINKAN-2NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

91 99Monday, June 14, 2010

DC/DC RINKAN-2NOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

91 99Monday, June 14, 2010

DC/DC RINKAN-2NOZOMI-3 SWG SDV2

REFER TO VCPIN28 CIRCUIT

C

NZM3_SWG_SDV2_EC077

C609

2.2U

F_2

5V21

25_X

5R_K C609

2.2U

F_2

5V21

25_X

5R_K

12

D8RB521S_30

D8RB521S_30

1 2

R85

2

49.9

k_1%

1005

_1/1

6 w

R85

2

49.9

k_1%

1005

_1/1

6 w

12

R11

00

33k_

5%10

05_1

/16

w

R11

00

33k_

5%10

05_1

/16

w1

2

R52

2

1.78

M_1

%10

05_1

/16

w

R52

2

1.78

M_1

%10

05_1

/16

w1

2

RT

8

PR

F15

BB

541N

B6R

C

RT

8

PR

F15

BB

541N

B6R

C

12

R55

9

1.24

M_1

%10

05_1

/16

w

R55

9

1.24

M_1

%10

05_1

/16

w1

2

RT

9

PR

F15

BB

541N

B6R

C

RT

9

PR

F15

BB

541N

B6R

C

12

C61

1

1UF

_10V

1608

_X5R

_K

C61

1

1UF

_10V

1608

_X5R

_K1

2

RT

12

PR

F15

BB

541N

B6R

C

RT

12

PR

F15

BB

541N

B6R

C

12

R74

810_5

%10

05_1

/16

w

R74

810_5

%10

05_1

/16

w1

2

C60

0.1U

F_1

0V10

05_X

5R_K

C60

0.1U

F_1

0V10

05_X

5R_K

12

R857

100K_5% 1005_1/16 w

R857

100K_5% 1005_1/16 w1 2

C5521UF_25V

1608_X5R_K

NA

C5521UF_25V

1608_X5R_K

NA

1 2

R979

0_5% 1005_1/16 w

R979

0_5% 1005_1/16 w1 2

R75

1

100_

5%10

05_1

/16

w

R75

1

100_

5%10

05_1

/16

w1

2

R1101

33k_5% 1005_1/16 w

R1101

33k_5% 1005_1/16 w1 2

R59

3

0_5%

1005

_1/1

6 w

R59

3

0_5%

1005

_1/1

6 w

12

C21

0

0.1U

F_2

5V16

08_X

7R_K

C21

0

0.1U

F_2

5V16

08_X

7R_K

12

RT

1

PR

F15

BB

541N

B6R

C

RT

1

PR

F15

BB

541N

B6R

C

12

R74

9

2k_5

%10

05_1

/16

w

R74

9

2k_5

%10

05_1

/16

w1

2

RT

5

PR

F15

BB

541N

B6R

C

RT

5

PR

F15

BB

541N

B6R

C

12

R387

0_5% 1005_1/16 w

R387

0_5% 1005_1/16 w1 2

D62RB521S_30

D62RB521S_301 2

R5000

0_5%

1608_1/10 wR5000

0_5%

1608_1/10 w

1 2

RT

7

PR

F15

BB

541N

B6R

C

RT

7

PR

F15

BB

541N

B6R

C

12

C369470PF_50V

1005_X7R_K

C369470PF_50V

1005_X7R_K

12

RT

11

PR

F15

BB

541N

B6R

C

RT

11

PR

F15

BB

541N

B6R

C

12

R71

0_5%1005_1/16 w

R71

0_5%1005_1/16 w

1 2

R839

0_5% 1005_1/16 w

NAR839

0_5% 1005_1/16 w

NA

1 2

RT

14

PR

F15

BB

541N

B6R

C

RT

14

PR

F15

BB

541N

B6R

C

12

C67

9

0.01

UF

_25V

1005

_X7R

_K

C67

9

0.01

UF

_25V

1005

_X7R

_K1

2

C11

5

1UF

_25V

1608

_X5R

_K

C11

5

1UF

_25V

1608

_X5R

_K1

2

C61

0

1UF

_25V

1608

_X5R

_K

C61

0

1UF

_25V

1608

_X5R

_K1

2

R42

2

20_5

%21

25_1

/8 w

R42

2

20_5

%21

25_1

/8 w

12

C95

4

0.1U

F_1

0V10

05_X

5R_K

C95

4

0.1U

F_1

0V10

05_X

5R_K

12

R51

0_5% 1005_1/16 w

R51

0_5% 1005_1/16 w1 2

D56RB521S_30

D56RB521S_30

1 2C61

6

0.1U

F_2

5V16

08_X

7R_K

C61

6

0.1U

F_2

5V16

08_X

7R_K

12

RT

2

PR

F15

BB

541N

B6R

C

RT

2

PR

F15

BB

541N

B6R

C

12

RT

4

PR

F15

BB

541N

B6R

C

RT

4

PR

F15

BB

541N

B6R

C

12

R417

0_5%1005_1/16 wR417

0_5%1005_1/16 w

12

R58

9

0_5%

1005

_1/1

6 w

R58

9

0_5%

1005

_1/1

6 w

12

C606

1UF_25V

1608_X5R_KC606

1UF_25V

1608_X5R_K1 2

RT

6

PR

F15

BB

541N

B6R

C

RT

6

PR

F15

BB

541N

B6R

C

12

C23

8

1UF

_25V

1608

_X5R

_K

C23

8

1UF

_25V

1608

_X5R

_K1

2

C64

0.1U

F_1

0V10

05_X

5R_K

C64

0.1U

F_1

0V10

05_X

5R_K

12

C1208470PF_50V1005_X7R_K

NAC1208470PF_50V1005_X7R_K

NA

12

R85

9

10k_

5%10

05_1

/16

w

R85

9

10k_

5%10

05_1

/16

w1

2

RT

10

PR

F15

BB

541N

B6R

C

RT

10

PR

F15

BB

541N

B6R

C

12

R900

0_5% 1005_1/16 w

R900

0_5% 1005_1/16 w1 2

R75

0_5% 1005_1/16 w

R75

0_5% 1005_1/16 w1 2

RT

13

PR

F15

BB

541N

B6R

C

RT

13

PR

F15

BB

541N

B6R

C

12

R59

5

0_5%

1005

_1/1

6 w

R59

5

0_5%

1005

_1/1

6 w

12

D64RB521S_30

D64RB521S_30

12

R41

3

20_5

%21

25_1

/8 w

R41

3

20_5

%21

25_1

/8 w

12

D57RB521S_30

D57RB521S_30

12

U61

RINKAN_2

U61

RINKAN_2

BAT_VOLT57

5M_ON62

3M_ON63

3B_ON8

RD1_ON10

RD3_ON12

RD4_ON13

RD6_ON15

M2GATEON64

S1GATEON6

CP28OUT3M33

CP28OUT5M34

VCPIN2836

ISYS51

CS-54

-SHDN_IN16

TH_DET58

CP12OUT2 32

CP12OUT1 31

VCC3B 20

3B_DRV 19

VCC5B 18

5B_DRV 17

VCC3P 23

3P_DRV 22

RD1_DRV 25

RD2_DRV 26

RD3_DRV 27

RD4_DRV 29

RD5_DRV 30

RD6_DRV 35

M1_DRV 39

M2_DRV 44

S1_DRV 38

S2_DRV 43

BAT_DRV 40

DCIN_DRV 41

M_PGS 48

B_PGS 47

-LPMODE 50

LP_HYS 49

CSOUT 53

CSFB 52

-SHDN_OUT 46

VR

EG

IN20

59

VIN

T20

37

VC

C5M

45

VC

C3S

W61

VD

D15

24

TE

ST

60

PG

ND

121

PG

ND

228

AG

ND

56

RD2_ON11

M1GATEON4

RD5_ON14

VC

C3M

42

5B_ON7

3P_ON9

CS+55

DG

ND

5

S2GATEON1

-EXTPWR3

DISCHARGE2

RT

3

PR

F15

BB

541N

B6R

C

RT

3

PR

F15

BB

541N

B6R

C

12

C33

6

0.22

UF

_50V

3216

_X5R

_K

C33

6

0.22

UF

_50V

3216

_X5R

_K1

2

R48

7

10_5

%16

08_1

/10

w

R48

7

10_5

%16

08_1

/10

w1

2

R75

2

100_

5%10

05_1

/16

w

R75

2

100_

5%10

05_1

/16

w1

2

R85

4

100K

_5%

1005

_1/1

6 w

R85

4

100K

_5%

1005

_1/1

6 w

12

R978

0_5% 1005_1/16 w

R978

0_5% 1005_1/16 w1 2

Page 92: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC3LAN_DRV[91]

VCC3LAN

VCC3M

Title :

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Date: Sheet : of

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2.10

92 99Monday, June 14, 2010

LOAD SW LANNOZOMI-3 SWG SDV2Title :

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92 99Monday, June 14, 2010

LOAD SW LANNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

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2.10

92 99Monday, June 14, 2010

LOAD SW LANNOZOMI-3 SWG SDV2

C

0.5A

R68

0

470K

_5%

1005

_1/1

6 w

R68

0

470K

_5%

1005

_1/1

6 w

12

R92

0

0.01

_1%

0816

_1/3

w

R92

0

0.01

_1%

0816

_1/3

w

12

D

S

Q69TPCF8002

D

S

Q69TPCF8002

4

87

36

21

5

R10

53

33_5

%10

05_1

/16

w

R10

53

33_5

%10

05_1

/16

w

12

C11

83

0.1U

F_2

5V16

08_X

7R_K

C11

83

0.1U

F_2

5V16

08_X

7R_K

12

R97

6

0_5%

1005

_1/1

6 w

R97

6

0_5%

1005

_1/1

6 w

12

D66RB521S_30

D66RB521S_30

12

Page 93: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

3VIDEO_ON[68]

1R05VIDEO_DRV[91]

VCC3VIDEO VCC1R05VIDEO

VCC3M

VCC1R05LAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

93 99Monday, June 14, 2010

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Project Name :

2.10

93 99Monday, June 14, 2010

LOAD SW VIDEONOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

93 99Monday, June 14, 2010

LOAD SW VIDEONOZOMI-3 SWG SDV2

C

1.3A 2A

NZM3_SWG_SDV2_EC089

R46

8

33_5

%10

05_1

/16

w

R46

8

33_5

%10

05_1

/16

w

12

D91

RB521S_30

D91

RB521S_30

12

C30

5

0.02

2UF

_25V

1005_X7R_K

C30

5

0.02

2UF

_25V

1005_X7R_K

12

Q49DTC115EE

Q49DTC115EE

13

2

R92

7

0.01

_1%

0816

_1/3

w

R92

7

0.01

_1%

0816

_1/3

w

12

R56

0

10k_

5%10

05_1

/16

w

R56

0

10k_

5%10

05_1

/16

w

12

R55

5

100K

_5%

1005

_1/1

6 w

R55

5

100K

_5%

1005

_1/1

6 w

12

R45

7

470K

_5%

1005

_1/1

6 w

R45

7

470K

_5%

1005

_1/1

6 w

12

R46

6

0_5%

1005

_1/1

6 w

R46

6

0_5%

1005

_1/1

6 w

12

R56

1

10k_

5%10

05_1

/16

w

R56

1

10k_

5%10

05_1

/16

w

12

C43

4

0.1U

F_1

0V10

05_X

5R_K

C43

4

0.1U

F_1

0V10

05_X

5R_K

12

S

D

Q60TPCF8102

S

D

Q60TPCF8102

5

12

63

78

4Q108SIS402DNQ108SIS402DN

4

1

32

5

Page 94: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

AMT_DRV[91]

BPWRG[11,25,31,62,68,70,71,91]

AMT_ON[68,91]

VCCLAN_ON[68,85,91]

1R05LAN_PWRG[85]

MEPWRG [25,31]

VCC1R05AMTVCC1R05LAN VCC1R05B

VCC1R05AMT

VCC3M

VCC3LAN

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

94 99Monday, June 14, 2010

LOAD SW AMT/MEPWRGNOZOMI-3 SWG SDV2Title :

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94 99Monday, June 14, 2010

LOAD SW AMT/MEPWRGNOZOMI-3 SWG SDV2Title :

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Date: Sheet : of

Project Name :

2.10

94 99Monday, June 14, 2010

LOAD SW AMT/MEPWRGNOZOMI-3 SWG SDV2

C

2A

LOGIC

AMT

Q96R597R640D20R547C89

YES NO

ASMASMASMASMASMASM

NO-ASMNO-ASMNO-ASMNO-ASMNO-ASMNO-ASM

TABLE

R641 NO_ASM ASM

LOGIC

AMT

U80R210R496C1216C1215R474

R436D74D38

YES NO

ASMASMASMASMASMASM

NO_ASMNO_ASMNO_ASM

NO-ASMNO-ASMNO-ASMNO-ASMNO-ASMNO-ASM

NO_ASMNO_ASMNO_ASM

TABLE

R1500 NO_ASM ASM

10A

R64

0

33_5

%10

05_1

/16

w

R64

0

33_5

%10

05_1

/16

w

12

C12

16

1000

PF

_50V

1005

_X7R

_ K

C12

16

1000

PF

_50V

1005

_X7R

_ K

12

D381SS400G

NAD38

1SS400G

NA

1 2

D20RB521S_30

D20RB521S_30

12

R641

0.001_5% 1608_1/10 w

NAR641

0.001_5% 1608_1/10 w

NA

1 2

U80BD4140HFV

U80BD4140HFV

VC

C3

GN

D2

IN4

DLY5PGOOD 1

R436

0_5% 1005_1/16 w

NA

R436

0_5% 1005_1/16 w

NA

1 2

C89

0.02

2UF

_25V

1005_X7R_K

C89

0.02

2UF

_25V

1005_X7R_K

12

R54

7

470K

_5%

1005

_1/1

6 w

R54

7

470K

_5%

1005

_1/1

6 w

12

R49

6

10k_

1%10

05_1

/16

w

R49

6

10k_

1%10

05_1

/16

w

12

D741SS400G

NAD74

1SS400G

NA

1 2

R1500

0_5% 1005_1/16 wNA

R1500

0_5% 1005_1/16 wNA

1 2

C12

15

0.1U

F_1

0V10

05_X

5R_K

C12

15

0.1U

F_1

0V10

05_X

5R_K

12

R21

0

8.06

k_1%

1005

_1/1

6 w

R21

0

8.06

k_1%

1005

_1/1

6 w

12

R59

7

0_5%

1005

_1/1

6 w

R59

7

0_5%

1005

_1/1

6 w

12

D

S

Q96TPCF8002

D

S

Q96TPCF8002

4

87

36

21

5

R47

4

4.7K

_5%

1005

_1/1

6 w

R47

4

4.7K

_5%

1005

_1/1

6 w

12

Page 95: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC3B_DRV[35,91]

VCC5B_DRV[91]

B_DRV[91]

B_ON[58,71,77,84,87,91]

VCC3B

VCC3M

VCC5BVCC5M

VCC1R5BVCC1R5A

VCC1R5_VDDQ

VCC1R5A

VCC1R5A

VCC1R05B

VCC1R05LAN

VCC1R5_VDDQ VCC1R5A_DIMM

VCC3M VCC1R5_VDDQ

Title :

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Date: Sheet : of

Project Name :

2.10

95 99Monday, June 14, 2010

LOAD SW BNOZOMI-3 SWG SDV2Title :

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95 99Monday, June 14, 2010

LOAD SW BNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

95 99Monday, June 14, 2010

LOAD SW BNOZOMI-3 SWG SDV2

C

7.2A

4A

0.4A

10A

STITCHING CAPACITORSRds_on = 4.5m ohm MAX @ 10V

6A

R80

6

47_5

%10

05_1

/16

w

R80

6

47_5

%10

05_1

/16

w1

2

R83

0

100_

5%10

05_1

/16

w

R83

0

100_

5%10

05_1

/16

w

12

C868

0.1UF_10V 1005_X5R_K

C868

0.1UF_10V 1005_X5R_K1 2

R10

07

0.01

_1%

0816

_1/3

w

R10

07

0.01

_1%

0816

_1/3

w

12

D71RB521S_30D71RB521S_30

12

R10

24

10k_

5%10

05_1

/16

w

R10

24

10k_

5%10

05_1

/16

w

12

R89

9

47_5

%10

05_1

/16

w

R89

9

47_5

%10

05_1

/16

w

12

R10

25

220_

5%10

05_1

/16

w

R10

25

220_

5%10

05_1

/16

w

12

D92RB521S_30D92RB521S_30

12

D

S

Q23TP

CF

8002

D

S

Q23TP

CF

8002

4

87

36

21

5

D44RB521S_30D44RB521S_30

12

R89

6

0.01

_1%

0816

_1/3

w

R89

6

0.01

_1%

0816

_1/3

w

12

C867

0.1UF_10V 1005_X5R_K

C867

0.1UF_10V 1005_X5R_K1 2

C866

0.1UF_10V 1005_X5R_K

C866

0.1UF_10V 1005_X5R_K1 2

D30RB521S_30

D30RB521S_30

12

R46

470K

_5%

1005

_1/1

6 w

R46

470K

_5%

1005

_1/1

6 w

12

R88

8

0_5%

1005

_1/1

6 w

R88

8

0_5%

1005

_1/1

6 w

12

R88

2

0.01

_1%

0816

_1/3

w

R88

2

0.01

_1%

0816

_1/3

w

12

Q1302SK3541Q1302SK3541

32

1

R53

2

270_

5%10

05_1

/16

w

R53

2

270_

5%10

05_1

/16

w

12

C60

4

0.1U

F_2

5V16

08_X

7R_K

C60

4

0.1U

F_2

5V16

08_X

7R_K

12

C12

17

0.02

2UF

_25V

1005_X7R_K

C12

17

0.02

2UF

_25V

1005_X7R_K

12

Q129DTC115EE

Q129DTC115EE

13

2

R80

1

470K

_5%

1005

_1/1

6 w

R80

1

470K

_5%

1005

_1/1

6 w

12

Q24SIS402DNQ24SIS402DN

4

1

32

5

D

S

Q11TPCF8002

D

S

Q11TPCF8002

4

87

36

21

5

Q120TPCA8024_DUALQ120TPCA8024_DUAL

21

4

5

3

C70

6

0.04

7UF

_25V

1005_X7R_K

C70

6

0.04

7UF

_25V

1005_X7R_K

12

R61

9

47_5

%10

05_1

/16

w

R61

9

47_5

%10

05_1

/16

w1

2

R58

7

0_5%

1005

_1/1

6 w

R58

7

0_5%

1005

_1/1

6 w

12

C61

4

0.02

2UF

_25V

1005_X7R_K

C61

4

0.02

2UF

_25V

1005_X7R_K

12

R710

0.001_5% 1608_1/10 wNA

R710

0.001_5% 1608_1/10 wNA

1 2

R33

8

0_5%

1005

_1/1

6 w

R33

8

0_5%

1005

_1/1

6 w

12

Q126TPCA8024_DUALQ126TPCA8024_DUAL

21

4

5

3

C865

0.1UF_10V 1005_X5R_K

C865

0.1UF_10V 1005_X5R_K1 2

R89

4

0.01

_1%

0816

_1/3

w

R89

4

0.01

_1%

0816

_1/3

w

12

R85

6

470K

_5%

1005

_1/1

6 w

R85

6

470K

_5%

1005

_1/1

6 w

12

D72RB521S_30D72RB521S_30

12

C86

4

0.02

2UF

_25V

1005_X7R_K

C86

4

0.02

2UF

_25V

1005_X7R_K

12

Page 96: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC5MUBAY_DRV[91]

VCC5MUBAYVCC5M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

96 99Monday, June 14, 2010

LOAD SW VCC5MUBAYNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

96 99Monday, June 14, 2010

LOAD SW VCC5MUBAYNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

96 99Monday, June 14, 2010

LOAD SW VCC5MUBAYNOZOMI-3 SWG SDV2

C

1.8A

C10

0.1U

F_2

5V16

08_X

7R_K

C10

0.1U

F_2

5V16

08_X

7R_K

12

R98

6

470K

_5%

1005

_1/1

6 w

R98

6

470K

_5%

1005

_1/1

6 w

12

D33RB521S_30

D33RB521S_30

12

R44

47_5

%10

05_1

/16

w

R44

47_5

%10

05_1

/16

w

12

R88

9

0.01

_1%

0816

_1/3

w

R88

9

0.01

_1%

0816

_1/3

w

12

D

S

Q92TPCF8002

D

S

Q92TPCF8002

4

87

36

21

5

Page 97: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

VCC3WAN_ON[77]VCC3WLAN_ON[68]

VCC3B

VCC3WAN

VCC3M

VCC3WLAN

VCC3M

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

97 99Monday, June 14, 2010

LOAD SW WAN & WLANNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

97 99Monday, June 14, 2010

LOAD SW WAN & WLANNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

97 99Monday, June 14, 2010

LOAD SW WAN & WLANNOZOMI-3 SWG SDV2

C

2.7A2.7A

LOGIC

CONSTANTCONNECTR1055Q94R650R645C1084R647Q91

VER.2 VER.1/NO

NO_ASMASMASMASMASMASMASM

ASMNO-ASMNO-ASMNO-ASMNO-ASMNO-ASMNO-ASM

TABLE

PLACE POSISTOR NEAR Q94PLACE POSISTOR NEAR Q100

10A

S

D

Q100TPCF8102

S

D

Q100TPCF8102

5

12

63

78

4

R65

0

10k_

5%10

05_1

/16

wN

A

R65

0

10k_

5%10

05_1

/16

wN

A

12

R74

6

100K

_5%

1005

_1/1

6 w

R74

6

100K

_5%

1005

_1/1

6 w

12

R64

5

100K

_5%

1005

_1/1

6 w

NA

R64

5

100K

_5%

1005

_1/1

6 w

NA

12

C12

6

0.1U

F_1

0V10

05_X

5R_K

C12

6

0.1U

F_1

0V10

05_X

5R_K

12

S

D

Q94TPCF8102

NA

S

D

Q94TPCF8102

NA

5

12

63

78

4

R64

7

10k_

5%10

05_1

/16

wN

A

R64

7

10k_

5%10

05_1

/16

wN

A

12

R1055

0.001_5% 1608_1/10 w

R1055

0.001_5% 1608_1/10 w1 2

R93

4

0.01

_1%

0816

_1/3

w

R93

4

0.01

_1%

0816

_1/3

w

12

Q99DTC115EEQ99DTC115EE

13

2

R48

9

10k_

5%10

05_1

/16

w

R48

9

10k_

5%10

05_1

/16

w

12

R94

1

0.01

_1%

0816

_1/3

w

R94

1

0.01

_1%

0816

_1/3

w

12

Q91DTC115EE

NAQ91

DTC115EE

NA

13

2

R50

3

10k_

5%10

05_1

/16

w

R50

3

10k_

5%10

05_1

/16

w

12

C10

84

0.1U

F_1

0V10

05_X

5R_K

NA

C10

84

0.1U

F_1

0V10

05_X

5R_K

NA

12

Page 98: Lenovo Thinkpad T420 Schematics

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

98 99Monday, June 14, 2010

PTH FOR SCREW HOLESNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

98 99Monday, June 14, 2010

PTH FOR SCREW HOLESNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

98 99Monday, June 14, 2010

PTH FOR SCREW HOLESNOZOMI-3 SWG SDV2

C

PTH FOR SCREW HOLE

FID

Board Area

FID

Component Area NZM3_SWG_SDV2_EC077

NPTH

NC, NO CONNECT TO ANY.

CF13

NC, NO CONNECT TO ANY.

CF13

1

NC, NO CONNECT TO ANY.

FD6

NC, NO CONNECT TO ANY.

FD6

1

TP26TESTPIN_2P8TP26TESTPIN_2P8

1

TP27TESTPIN_2P8TP27TESTPIN_2P8

1

NC, NO CONNECT TO ANY.

FD3

NC, NO CONNECT TO ANY.

FD3

1

NC, NO CONNECT TO ANY.

CF9

NC, NO CONNECT TO ANY.

CF9

1

TP63TESTPIN_3P4TP63TESTPIN_3P4

1

NC, NO CONNECT TO ANY.

CF1

NC, NO CONNECT TO ANY.

CF1

1

TP56TESTPIN_2P8TP56TESTPIN_2P8

1

NPTH6NPTH213NPTH6NPTH213

1

TP68TESTPIN_2P8TP68TESTPIN_2P8

1

NC, NO CONNECT TO ANY.

CF5

NC, NO CONNECT TO ANY.

CF5

1

NC, NO CONNECT TO ANY.

CF10

NC, NO CONNECT TO ANY.

CF10

1

NC, NO CONNECT TO ANY.

CF18

NC, NO CONNECT TO ANY.

CF18

1

TP71TESTPIN_2P8TP71TESTPIN_2P8

1

TP57TESTPIN_3P4TP57TESTPIN_3P4

1

NC, NO CONNECT TO ANY.

CF14

NC, NO CONNECT TO ANY.

CF14

1

TP5

TESTPIN_2P6

TP5

TESTPIN_2P6

1

NC, NO CONNECT TO ANY.

CF6

NC, NO CONNECT TO ANY.

CF6

1

TP61TESTPIN_2P8TP61TESTPIN_2P8

1

NC, NO CONNECT TO ANY.

FD1

NC, NO CONNECT TO ANY.

FD1

1

NPTH5NPTH213NPTH5NPTH213

1

NPTH4BBH78NPTH4BBH78

1

NPTH3BBH78NPTH3BBH78

1

NC, NO CONNECT TO ANY.

CF11

NC, NO CONNECT TO ANY.

CF11

1

TP4

TESTPIN_2P6

TP4

TESTPIN_2P6

1TP48

TESTPIN_2P8

TP48

TESTPIN_2P8

1

NC, NO CONNECT TO ANY.

FD4

NC, NO CONNECT TO ANY.

FD4

1

TP50

TESTPIN_2P8

TP50

TESTPIN_2P81

NC, NO CONNECT TO ANY.

CF15

NC, NO CONNECT TO ANY.

CF15

1

TP29TESTPIN_3P4TP29TESTPIN_3P4

1

NC, NO CONNECT TO ANY.

CF12

NC, NO CONNECT TO ANY.

CF12

1

NUT1M2_H2R6_D5NUT1M2_H2R6_D5

1

NC, NO CONNECT TO ANY.

CF2

NC, NO CONNECT TO ANY.

CF2

1

NC, NO CONNECT TO ANY.

FD5

NC, NO CONNECT TO ANY.

FD5

1

NC, NO CONNECT TO ANY.

CF7

NC, NO CONNECT TO ANY.

CF7

1

NUT2STANDOFF_OD4_H3R9NUT2STANDOFF_OD4_H3R9

1

NC, NO CONNECT TO ANY.

FD2

NC, NO CONNECT TO ANY.

FD2

1

TP32

TESTPIN_2P8

TP32

TESTPIN_2P8

1

TP54TESTPIN_2P8TP54TESTPIN_2P8

1

TP73TESTPIN_2P8TP73TESTPIN_2P8

1

NPTH7H-R197X276D197X276NNPTH7H-R197X276D197X276N

1

NC, NO CONNECT TO ANY.

CF3

NC, NO CONNECT TO ANY.

CF3

1

TP51TESTPIN_2P8TP51TESTPIN_2P8

1

NC, NO CONNECT TO ANY.

CF16

NC, NO CONNECT TO ANY.

CF16

1NC, NO CONNECT TO ANY.

CF4

NC, NO CONNECT TO ANY.

CF4

1

TP52TESTPIN_3P4TP52TESTPIN_3P4

1

NPTH1BBH78NPTH1BBH78

1

TP6

TESTPIN_2P6

TP6

TESTPIN_2P6

1

NC, NO CONNECT TO ANY.

CF8

NC, NO CONNECT TO ANY.

CF8

1

LAYER_1-10

LAYER_MARK110_LAYERS

LAYER_1-10

LAYER_MARK110_LAYERS

1

NPTH2BBH78NPTH2BBH78

1

NC, NO CONNECT TO ANY.

CF17

NC, NO CONNECT TO ANY.

CF17

1

Page 99: Lenovo Thinkpad T420 Schematics

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5

4

4

3

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2

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D D

C C

B B

A A

Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

99 99Monday, June 14, 2010

BLANKNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

99 99Monday, June 14, 2010

BLANKNOZOMI-3 SWG SDV2Title :

Size : Document Number : Rev :

Date: Sheet : of

Project Name :

2.10

99 99Monday, June 14, 2010

BLANKNOZOMI-3 SWG SDV2

C

NZM3_SWG_SDV2_EC077