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Internal Use Only
Service ManualLG-E960
Date: November, 2012 / Issue 1.0
- 2 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Table Of Contents
1. INTRODUCTION ..................................................................... 31.1 Purpose ........................................................................................................3
1.2 Regulatory Information .........................................................................3
2. PERFORMANCE ...................................................................... 52.1 Product Name ............................................................................................5
2.2 Supporting Standard ..............................................................................5
2.3 Main Parts : GSM Solution .....................................................................5
2.4 HW Features ...............................................................................................6
2.5 HW SPEC. ................................................................................................. 10
3.CIC_AND SERVICE CENTER .................................................. 253.1 CIC FAQ ...................................................................................................... 25
4. TROUBLE SHOOTING .......................................................... 414.1 RF Component ....................................................................................... 41
4.2 SIGNAL PATH ........................................................................................... 44
4.3 Checking TCXO Block ........................................................................... 47
4.4 Checking FEMID (GSM QUAD, WB1/B2/B4/B5/B8) Block ...... 50
4.5 Checking WCDMA Block .................................................................... 53
4.6 Checking GSM Block ..........................................................................100
4.7 GPS/WIFI/BT Module ..........................................................................115
4.8 GPS/WIFI/BT SIGNAL PATH ..............................................................117
4.9 Checking GPS/WIFI/BT ......................................................................118
4.10 Audio troubleshooting ...................................................................124
4.11 8M AF Camera Trouble Shooting ...............................................132
4.12 Main LCD trouble ..............................................................................135
4.13 Touch trouble .....................................................................................139
4.14 Vibrator Troubleshooting ..............................................................141
4.15 Gyro Sensor troubleshooting ......................................................144
4.16 Compass sensor troubleshooting ..............................................146
4.17 Proximity Sensor on/off trouble .................................................149
4.18 Light Sensor on/off trouble ..........................................................151
4.19 Pressure Sensor troubleshooting ...............................................153
4.20 Wireless Charging troubleshooting ..........................................156
4.21 NFC Troubleshooting ......................................................................158
4.22 Power ON Troubleshooting ..........................................................164
4.23 Charger Troubleshooting ..............................................................168
5. DOWNLOAD ....................................................................... 172
6. BLOCK DIAGRAM ............................................................... 189
7. CIRCUIT DIAGRAM ............................................................ 206
8. BGA PIN MAP .................................................................... 224
9. PCB LAYOUT ....................................................................... 236
10. CALIBRATION ................................................................... 238
11. DISASSEMBLE GUIDE ...................................................... 258
12. EXPLODED VIEW & REPLACEMENT PART LIST ............. 26512.1 EXPLODED VIEW ................................................................................265
12.2 Replacement Parts ...........................................................................268
12.3 Accessory .............................................................................................313
- 3 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
LGE Internal Use Only
1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features
of this model.
1.2 Regulatory Information
A. Security
Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example,
persons other than your companys employees, agents, subcontractors, or person working on your
companys behalf) can result in substantial additional charges for your telecommunications services.
System users are responsible for the security of own system. There are may be risks of toll fraud associated
with your telecommunications system. System users are responsible for programming and configuring the
equipment to prevent unauthorized use. The manufacturer does not warrant that this product is immune
from the above case but will prevent unauthorized use of common carrier telecommunication service of
facilities accessed through or connected to it. The manufacturer will not be responsible for any charges that
result from such unauthorized use.
B. Incidence of Harm
If a telephone company determines that the equipment provided to customer is faulty and possibly causing
harm or interruption in service to the telephone network, it should disconnect telephone service until repair
can be done. A telephone company may temporarily disconnect service as long as repair is not done.
C. Changes in Service
A local telephone company may make changes in its communications facilities or procedure. If these
changes could reasonably be expected to affect the use of the phones or compatibility with the net work, the
telephone company is required to give advanced written notice to the user, allowing the user to take
appropriate steps to maintain telephone service.
D. Maintenance Limitations
Maintenance limitations on the phones must be performed only by the manufacturer or its authorized agent.
The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore,
note that unauthorized alternations or repair may affect the regulatory status of the system and may void
any remaining warranty.
1. INTRODUCTION
- 4 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1. INTRODUCTION
LGE Internal Use Only
E. Notice of Radiated Emissions
This model complies with rules regarding radiation and radio frequency emission as defined by local
regulatory agencies. In accordance with these agencies, you may be required to provide information such as
the following to the end user.
F. Pictures
The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different.
G. Interference and Attenuation
A phone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from
unsuppressed engines or electric motors may cause problems.
H. Electrostatic Sensitive Devices
ATTENTION
Boards, which contain Electrostatic Sensitive Device (ESD), are indicated by the sign.
Following information is ESD handling:
Service personnel should ground themselves by using a wrist strap when exchange system boards. When
repairs are made to a system board, they should spread the floor with anti-static mat which is also grounded.
Use a suitable, grounded soldering iron. Keep sensitive parts in these protective packages until these are
used.
When returning system boards or parts like EEPROM to the factory, use the protective package as described.
2. PERFORMANCE
- 5 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
2.1 Product Name
LG-E960 : WCDMA850/900/1700/1900/2100+EGSM/GSM850/DCS/PCS
(HSPA+ 42Mbps / GPRS Class 10 / EDGE Class 10)
2.2 Supporting Standard
Item Feature Comment
Supporting Standard
WCDMA(FDD1,2,4,5,8)/EGSM/GSM850/DCS1800/PCS1900
Frequency Range WCDMA(FDD1) TX : 1920 1980 MHz
WCDMA(FDD1) RX : 2110 2170 MHz
WCDMA(FDD2) TX : 1850 1910 MHz
WCDMA(FDD2) RX : 1930 1990 MHz
WCDMA(FDD4) TX : 1710 - 1755 MHz
WCDMA(FDD4) RX : 2110 2155 MHz
WCDMA(FDD5) TX : 824 - 849 MHz
WCDMA(FDD5) RX : 869 894 MHz
WCDMA(FDD8) TX : 880 - 915 MHz
WCDMA(FDD8) RX : 925 960 MHz
EGSM TX : 880 915 MHz
EGSM RX : 925 960 MHz
GSM850 TX : 824 849 MHz
GSM850 RX : 869 894 MHz
DCS1800 TX : 1710 1785 MHz
DCS1800 RX : 1805 1880 MHz
PCS1900 TX : 1850 1910 MHz
PCS1900 RX : 1930 1990 MHz
Application Standard WAP 2.0
2.3 Main Parts : GSM Solution
Item Part Name Comment
Digital Baseband APQ8064: Qualcomm
Analog Baseband MDM9215M : Qualcomm
RF Chip WTR1605L : Qualcomm
2. PERFORMANCE
2.1 Product Name
2.2 Supporting Standard
LG-E960 : WCDMA850/900/1700/1900/2100+EGSM/GSM850/DCS/PCS
(HSPA+ 42Mbps / GPRS Class 10 / EDGE Class 10)
2.3 Main Parts : GSM Solution
2. PERFORMANCE
- 6 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
2.4 HW Features
Item Feature Comment
Form Factor DOP type
Battery
1) Capacity
Standard : Li-Ion, 2150mAh
2) Packing Type Embeded : Soft Pack
Size Standard :
133.9 X 68.7 X 9.1
Weight 136g With Battery
RX sensitivity
WCDMA(FDD1) : -109 dBm
WCDMA(FDD5) : -109 dBm
WCDMA(FDD8) : -109 dBm
WCDMA(FDD2) : -109 dBm
WCDMA(FDD4) : -109 dBm
EGSM : -109 dBm
GSM850 : -109 dBm
DCS 1800 : -109 dBm
PCS 1900 : -109 dBm
TX output power
WCDMA
GSM
GPRS
WCDMA B1,4,5,8 :
23dBm/3.84MHz,+1/-3dBm
WCDMA B2 : 22.5dBm/3.84MHz,+1/-
3dBm
EGSM : 33dBm
GSM850 : 33 dBm
DCS1800 : 30dBm
PCS 1900: 29.5 dBm
EDGE compatibility GPRS Class 12
SIM card
type
EDGE
Class
10
Class3(WCDMA)
Class4 (EGSM)
Class4 (GSM850)
Class1 (PCS)
Class1 (DCS)
Plug-
In SIM
3V
/1.8V
E2 (GSM900)
E2 (PCS)
E2 (DCS)
2.4 HW Features
2. PERFORMANCE
- 7 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
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Display
Main LCD
TFT Main LCD
(4.67, 768 X 1280 Pixels)
Built-in Camera 8M AF + 1.3M VT
Status Indicator Yes
Keypad Full Touch Screen
Side Key : 3
Side Key : Power On
Volume up/down
ANT Main : Internal Fixed Type
System connector 5 Pin u-USB
Ear Phone Jack 3.5 pi type
PC synchronization Yes
Memory 16Gb(SDRAM DDR2)
+ 16GB eMMC
Speech coding FR, EFR, HR,AMR
Vibrator Built in Vibrator
Blue Tooth Bluetooth 4.0+EDR
MIDI(for Buzzer
Function) SW Decoded 72Poly
Music Player MP3/WMA/AAC/MIDI/EAAC+/HE
AAC/OGG
Video Player MPEG4, H.264
Camcorder MPEG4 or H.263
Voice Recording Yes
Speaker Phone mode
Support Yes
Travel Adapter Yes
CDROM No
Stereo Headset Yes Data Cable Yes
T-Flash
(External Memory) No
2. PERFORMANCE
- 8 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
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1) RSSI Display
Measure RSSI after 10 seconds if you change power.
2) Charging Time210 minutes under
3) Travel Charger
Input : 100 ~ 240 V, 50/60 Hz
Output : 5.1V, 1200 mA
LGE Internal Use Only
1) RSSI Display
WCDMA Spec(dBm) RSSI Bars
-89 RSSI 4
-96 RSSI < -89 3
-102 RSSI < -96 2
-106 < RSSI < -102 1
RSSI -106 0
Measure RSSI after 10 seconds if you change power.
GSM Spec(dBm) RSSI Bars
-91 RSSI 4
-99 RSSI < -91 3
-106 RSSI < -99 2
-110 < RSSI < -106 1
RSSI -110 0
Measure RSSI after 10 seconds if you change power. 2) Charging Time 210 minutes under 3) Travel Charger Input : 100 ~ 240 V, 50/60 Hz Output : 5.1V, 1200 mA
Measure RSSI after 10 seconds if you change power.
2. PERFORMANCE
- 9 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
4) Battery Type Li-ion Battery Pack, 2100 mAh Standard Voltage : 3.7 V, Battery Full Charge Voltage : 4.1V ~ 4.25V
5) Current Consumption Item WCDMA Only GSM Only Comment
Standby 9mA (DRX 7) 8.5mA(PP=5)
GPS & Wifi Off
Neighborhood
Cell Off,
LCD Off
Talk Mode
- Max Pwr :
600mA @ Avg
- Tx 10dBm :
400 mA @ Avg 400mA(Tx Lvl: 5)
GPS & Wifi Off
Neighborhood
Cell Off,
Power Off 300uA 300uA
6) Battery Bar Battery Bar Specification Battery Bar Specification
Bar 20(Full) 98% above Bar 9 -> Bar 8 43% -> 42%
Bar 20 -> Bar 19 98% -> 97% Bar 8 -> Bar 7 38% -> 37%
Bar 19 -> Bar 18 93% -> 92% Bar 7 -> Bar 6 33% -> 32%
Bar 18 -> Bar 17 88% -> 87% Bar 6 -> Bar 5 28% -> 27%
Bar 17 -> Bar 16 83% -> 82% Bar 5 -> Bar 4 23% -> 22%
Bar 16 -> Bar 15 78% -> 77% Bar 4 -> Bar 3 18% -> 17%
Bar 15 -> Bar 14 73% -> 72% Bar 3 -> Bar 2 13% -> 12%
Bar 14 -> Bar 13 68% -> 67% Bar 2 -> Bar 1 8% -> 7%
Bar 13 -> Bar 12 63% -> 62% Bar 1 -> Bar 0 3% -> 2%
Bar 12 -> Bar 11 58% -> 57% Power off 1% below
Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5%, 0%
Bar 10 -> Bar 9 48% -> 47%
Item WCDMA Only GSM Only Comment
Standby 9 mA (DRX7) 8.5 mA(PP=5)
GSP & Wifi OffNelghborhood
Cell Off,LCD Off
Talk Mode
- Max Pwr : 600 mA @ Avg
- Tx 10 dBm : 400 mA @ Avg
400 mA(Tx Lvl : 5 ) GSP & Wifi OffNelghborhood
Cell Off
Power Off 300 uA 300 uA
4) Battery Type
Li-ion Battery Pack, 2100 mAhStandard Voltage : 3.7 V, Battery Full Charge Voltage : 4.1V ~ 4.25V
5) Current Consumption
6) Battery Bar
2. PERFORMANCE
- 10 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
2.5 HW SPEC. 1) GSM transceiver specification
Item Specification
Phase Error
Rms : 5
Peak : 20
Frequency Error
GSM : 0.1 ppm
DCS/PCS : 0.1 ppm
EMC(Radiated Spurious Emission Disturbance) GSM/DCS : < -28dBm
Transmitter Output power and Burst Timing
GSM : 5dBm 33dBm 3dB
DCS/PCS : 0dBm 30dBm 3dB
Burst Timing
2. PERFORMANCE
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2) WCDMA transmitter specification
Item Specification
Transmit Frequency
Band1 : 1920 MHz ~ 1980 MHz
Band5 : 824 - 849 MHz
Band2 : 1850 - 1910 MHz
Band4 : 1710 - 1755 MHz
Band8 : 880 - 915 MHz
Maximum Output Power +23 dBm / 3.84 MHz, +1 / -3 dB
Frequency Error within 0.1 PPM
Open Loop Power Control Normal Conditions : within 9 dB,
Extreme Conditions : within 12 dB
Minimum Transmit Power < -50 dBm /3.84 MHz
Occupied Bandwidth < 5 MHz at 3.84 Mcps (99% of power)
Adjacent Channel Leakage
Power Ratio (ACLR)
> 33 dB @ 5 MHz,
> 43 dB @ 10 MHz
Spurious Emissions
|f-fc| > 12.5 MHz
< -36 dBm / 1 kHz RW @ 9 kHz f < 150 kHz
< -36 dBm / 10 kHz RW @ 150 KHz f < 30 MHz
< -36 dBm / 100 kHz RW @ 30 MHz f < 1 GHz
< -30 dBm / 1 MHz RW @ 1 GHz f < 12.75 GHz
< -60 dBm / 3.84 MHz RW @ 869 MHz f 894 MHz
< -60 dBm / 3.84 MHz RW @ 1930 MHz f 1900 MHz
< -60 dBm / 3.84 MHz RW @ 2110 MHz f 2155 MHz
< -67 dBm / 100 kHz RW @ 925 MHz f 935 MHz
< -79 dBm / 100 kHz RW @ 935 MHz < f 960 GHz
< -71 dBm / 100 kHz RW @ 1805 MHz f 1880 MHz
< -41 dBm / 300 kHz RW @ 1884.5 MHz < f < 1919.6 MHz
Transmit Intermodulation < -31 dBc @ 5 MHz & < -41 dBc @ 10 MHz
when Interference CW Signal Level = -40 dBc
Error Vector Magnitude < 17.5 %, when Pout -20 dBm
Peak Code Domain Error < -15 dB at Pout -20 dBm
2) WCDMA transmitter specification
2. PERFORMANCE
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LGE Internal Use Only
3) WCDMA receiver specification
LGE Internal Use Only
3) WCDMA receiver specification
Item Specification
Receive Frequency
Band1 : 2110 ~ 2170 MHz
Band5 : 869~894MHz
Band2 : 1930 - 1990 MHz
Band4 : 2110 - 2155 MHz
Band8 : 925 - 960 MHz
Reference Sensitivity Level Band1 : BER < 0.001 when or = -106.7 dBm / 3.84 MHz
Band4 : BER < 0.001 when or = -103.7 dBm / 3.84 MHz
Maximum Input Level BER < 0.001 when or = -25 dBm / 3.84 MHz
Adjacent Channel Selectivity
(ACS)
ACS > 33 dB where BER < 0.001 when
or = -92.7 dBm / 3.84 MHz
& Ioac = 52 dBm / 3.84 MHz @ 5 MHz
Blocking Characteristic
BER < 0.001 when or = -103.7 dBm / 3.84 MHz
& Iblocking = -56 dBm / 3.84 MHz @ Fuw(offset) = 10 MHz
or Iblocking = -44 dBm / 3.84 MHz @ Fuw(offset) = 15 MHz
Spurious Response BER < 0.001 when or = -103.7 dBm / 3.84 MHz
& Iblocking = -44 dBm
Intermodulation
BER < 0.001 when or= -103.7 dBm / 3.84 MHz
& Iouw1 = -46 dBm @ Fuw1(offset) = 10 MHz
& Iouw2 = -46 dBm / 3.84 MHz @ Fuw2(offset) = 20 MHz
Spurious Emissions < -57 dBm / 100 kHz BW @ 9 kHz f < 1 GHz
< -47 dBm / 1 MHz BW @ 1 GHz f 12.75 GHz
Inner Loop Power Control
In Uplink
Adjust output(TPC command)
cmd 1dB 2dB 3dB
+1 +0.5/1.5 +1/3 +1.5/4
0 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5
-1 -0.5/-1.5 -1/-3 -1.5/-4
group(10equal command group)
+1 +8/+12 +16/+24
2. PERFORMANCE
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4) HSDPA transmitter specification
LGE Internal Use Only
4) HSDPA transmitter specification Item Specification
Transmit Frequency
Band1 : 1920 MHz ~ 1980 MHz
Band5 : 824MHz~849 MHz
Band2 : 1850 - 1910 MHz
Band4 : 1710 - 1755 MHz
Band8 : 880 - 915 MHz
Maximum Output Power
Sub-Test
1=1/15, 2=12/15 21~25dBm / 3.84 MHz
3=13/15 4=15/8 20~25dBm / 3.84 MHz
5=15/7 6=15/0 19~25dBm / 3.84 MHz
HS-DPCCH
Sub-test in table
C.10.1.4
Power step
Power step slot boundary
Power step
size, P [dB]
Transmitter power step tolerance [dB]
5
1 Start of Ack/Nack
6 +/- 2.3
2 Start of CQI 1 +/- 0.6
3 Middle of CQI 0 +/- 0.6
4 End of CQI 5 +/- 2.3
Spectrum Emission Mask
Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0
Frequency offset from carrier f Minimum requirement
Measurement Bandwidth
2.5 ~ 3.5 MHz -35-15(f-2.5)dBc 30 kHz
3.5 ~ 7.5 MHz -35-1(f-3.5)dBc 1 MHz
7.5 ~ 8.5 MHz -35-10(f-7.5)dBc 1 MHz
8.5 ~ 12.5 MHz -49dBc 1 MHz
Adjacent Channel Leakage
Power Ratio (ACLR)
Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0
> 33 dB @ 5 MHz
> 43 dB @ 10 MHz
Error Vector Magnitude < 17.5 %, when Pout -20 dBm
2. PERFORMANCE
- 14 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
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LGE Internal Use Only
5) HSDPA receiver specification
Item Specification
Receive Frequency
Band1 : 2110 ~ 2170 MHz
Band4 : 869 ~ 894Hz
Band2 : 1930 - 1990 MHz
Band4 : 2110 - 2155 MHz
Band8 : 925 - 960 MHz
Maximum Input Level
(BLER or R), 16QAM Only
Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0
BLER < 10% or R >= 700kbps
5) HSDPA receiver specification
2. PERFORMANCE
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LGE Internal Use Only
6) WLAN 802.11b transceiver specification
LGE Internal Use Only
6) WLAN 802.11b transceiver specification
Item Specification
Transmit Frequency 2400 MHz ~ 2473.5 MHz ( CH1~CH11 ) (USA)
2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)
Tx Power Level 20dBm under
Frequency Tolerance within 25 PPM
Chip clock Frequency
Tolerance within 25 PPM
Spectrum Mask -30 @ fc-22MHz< f
2. PERFORMANCE
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LGE Internal Use Only
7) WLAN 802.11g transceiver specification
LGE Internal Use Only
7) WLAN 802.11g transceiver specification
Item Specification
Transmit Frequency 2400 MHz ~ 2473.5 MHz ( CH1~CH11 )
2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)
Tx Power Level 20dBm
Frequency Tolerance within 25 PPM
Chip clock Frequency
Tolerance within 25 PPM
Spectrum Mask
-20 @ 11MHz offset (9Mhz ~ 11MHz)
-28 @ 20MHz offset (11MHz ~ 20Mhz)
-40 @ 30MHz offset (20MHz ~ 30Mhz)
Transmitter constellation error
(rms EVM) -5dB
Spurious Emissions
< -36 dBm @ 30MHz ~ 1GHz
< -30 dBm above @ 1GHz ~ 12.75GHz
< -47 dBm @ 1.8GHz ~ 1.9GHz
< -47 dBm @ 5.15GHz ~ 5.3GHz
Rx Min input Sensitivity
PER 10%
-82dBm@6Mbps, -81dBm@9Mbps, -79dBm@12Mbps
-77dBm@18Mbps, -74dBm@24Mbps, -70dBm@36Mbps
-66dBm@48Mbps, -65dBm@54Mbps
Rx Max input Sensitivity -20dBm(6,9,12,18,24,36,48,54Mbps) @ PER 10%
Rx Adjacent Channel
Rejection
PER 10%,
ACR 16dB@6Mbps, ACR 15dB@9Mbps,
ACR 13dB@12Mbps, ACR 11dB@18Mbps,
ACR 8dB@24Mbps, ACR 4dB@36Mbps
ACR 0dB@48Mbps, ACR -1dB@54Mbps
ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent
sensitivity specified in min input sensitivity
2. PERFORMANCE
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LGE Internal Use Only
8) WLAN 802.11n transceiver specification
Item Specification
Transmit Frequency 2400 MHz ~ 2473.5 MHz ( CH1~CH11 )
2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)
Tx Power Level 20dBm
Frequency Tolerance within 25 PPM
Chip clock Frequency
Tolerance within 25 PPM
Spectrum Mask
-20 @ 11MHz offset (9Mhz ~ 11MHz)
-28 @ 20MHz offset (11MHz ~ 20Mhz)
-45 @ 30MHz offset (20MHz ~ 30Mhz)
Transmitter constellation error
(rms EVM) -5dB
Spurious Emissions
< -36 dBm @ 30MHz ~ 1GHz
< -30 dBm above @ 1GHz ~ 12.75GHz
< -47 dBm @ 1.8GHz ~ 1.9GHz
< -47 dBm @ 5.15GHz ~ 5.3GHz
Rx Min input Sensitivity
PER 10%
[email protected], -79dBm@13Mbps, [email protected]
-74dBm@26Mbps, -70dBm@39Mbps, -66dBm@52Mbps
[email protected], -64dBm@65Mbps
Rx Max input Sensitivity -20dBm(6,9,12,18,24,36,48,54Mbps) @ PER 10%
Rx Adjacent Channel
Rejection
PER 10%,
ACR [email protected], ACR 13dB@13Mbps,
ACR [email protected], ACR 8dB@26Mbps,
ACR 4dB@39Mbps, ACR 0dB@52Mbps
ACR [email protected], ACR -2dB@65Mbps
ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent
sensitivity specified in min input sensitivity
8) WLAN 802.11n transceiver specification
2. PERFORMANCE
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LGE Internal Use Only
9) WLAN 802.11a transceiver specification
Item Specification
Transmit Frequency 5150~5850MHz(CH36,CH40,CH44,CH48~116,CH132~165) (USA)
5150~5725MHz(CH36,CH40,CH44,CH48~140) (Europe)
Tx Power Level
2. PERFORMANCE
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LGE Internal Use Only
LGE Internal Use Only
Rx Min input Sensitivity
PER 10%
-82dBm@6Mbps, -81dBm@9Mbps, -79dBm@12Mbps
-77dBm@18Mbps, -74dBm@24Mbps, -70dBm@36Mbps
-66dBm@48Mbps, -65dBm@54Mbps
Rx Max input Sensitivity -30dBm(6,9,12,18,24,36,48,54Mbps) @ PER 10
Rx Adjacent Channel
Rejection
PER 10%,
ACR 16dB@6Mbps, ACR 15dB@9Mbps,
ACR 13dB@12Mbps, ACR 11dB@18Mbps,
ACR 8dB@24Mbps, ACR 4dB@36Mbps
ACR 0dB@48Mbps, ACR -1dB@54Mbps
ACR shall be measured by setting the desired signal's strength 3 dB
above the rate-dependent
sensitivity specified in min input sensitivity
2. PERFORMANCE
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LGE Internal Use Only
LGE Internal Use Only
10) WLAN 802.11n(HT20) transceiver specification
Item Specification
Transmit Frequency
2400 MHz ~ 2473.5 MHz ( CH1~CH11) (USA)
5150~5850MHz(CH36,CH40,CH44,CH48~116,CH132~165) (USA)
2400 MHz ~ 2483.5 MHz ( CH1~CH13) (Europe)
5150~5725MHz(CH36,CH40,CH44,CH48~140) (Europe)
Tx Power Level
20dBm (CH1~13) (Europe), 30dBm (CH1~11) (USA)
2. PERFORMANCE
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< -54 dBm @ 470 MHz to 862 MHz
< -36 dBm @ 862 MHz to 1 GHz
< -30 dBm @ 1 GHz to 5.15 GHz
< -30 dBm @ 5.35 GHz to 5.47 GHz
< -30 dBm @ 5.725 GHz to 26.5 GHz
Rx Min input Sensitivity
PER 10%
[email protected], -79dBm@13Mbps, [email protected]
-74dBm@26Mbps, -70dBm@39Mbps, -66dBm@52Mbps
[email protected], -64dBm@65Mbps
Rx Max input Sensitivity -20dBm @ PER 10%(2400 ~ 2483.5 MHz)
-30dBm @ PER 10%(5150 ~ 5850 MHz)
Rx Adjacent Channel
Rejection
PER 10%,
ACR [email protected], ACR 13dB@13Mbps,
ACR [email protected], ACR 8dB@26Mbps,
ACR 4dB@39Mbps, ACR 0dB@52Mbps
ACR [email protected], ACR -2dB@65Mbps
ACR shall be measured by setting the desired signal's strength 3 dB above
the rate-dependent
sensitivity specified in min input sensitivity
2. PERFORMANCE
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LGE Internal Use Only
LGE Internal Use Only
11) Bluetooth transmitter specification
Item Spec. Min Typ. Max Unit
Output Power DH5
PRBS9
Nominal Pwr -6 - +20 dBm
Peak Pwr - - +23 dBm
Power Density DH5
PRBS9 @100kHz BW
- +20 dBm
Frequency Range DH5
PRBS9
-30dBm
@100kHz BW 2400 - 2483 MHz
Tx Output Spectrum
(20dB BW)
DH5
PRBS9 f =f
H-f
L
- 1 MHz
Tx Output Spectrum
(Adjacent Output Power)
DH5
PRBS9
@M-N = 2
- -20 dBm
@M-N >= 3
- -40 dBm
Modulation Index
DH5
11110000 f1
AVG 140 - 175 kHz
DH5
10101010
f2MAX
115 -
kHz
f2AVG
/f1AVG
0.8 -
Initial Carrier Freq.
Tolerance
DH5
PRBS9 -75 - +75 kHz
Carrier Frequency Drift
DH1
10101010
Freq. Drift -25 - +25 kHz
Drift Rate -20 - +20 kHz/5
0us
DH3
10101010
Freq. Drift -40 - +40 kHz
Drift Rate -20 - +20 kHz/5
11) Bluetooth transmitter specification
2. PERFORMANCE
- 23 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only LGE Internal Use Only
0us
DH5
10101010
Freq. Drift -40 - +40 kHz
Drift Rate -20 - +20 kHz/5
0us
Out of Band Spurious
Emission
DH1
PRBS9
@ 30MHz ~
12.75GHz 20
dBc
12) Bluetooth receiver specification
Item Spec. Min Typ. Max Unit
Sensitivity
(Single Slot Packet)
DH1
PRBS9 BER @ 0.1%
- -70 dBm
Sensitivity
(Multi Slot Packet)
DH5
PRBS9 BER @ 0.1%
- -70 dBm
C/I Performance DH1
PRBS9
Co-Channel
-60dBm@
BER0.1%
- 11
dB
C/I @1MHz
-60dBm@ BER
0.1%
- 0
C/I @2MHz
-60dBm@ BER
0.1%
- -30
C/I @3MHz
-67dBm@
BER0.1%
- -40
C/I @Image
-67dBm@ BER
0.1%
- -9
12) Bluetooth receiver specification
2. PERFORMANCE
- 24 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
LGE Internal Use Only
C/I @1MHz Image
-67dBm@ BER
0.1%
- -20
Blocking Performance DH1
PRBS9
-10dBm @
30M ~2 GHz
- -67 dBm
-27dBm @
2 ~ 2.4 GHz
-27dBm @
2.5 ~ 3 GHz
-10dBm @
3 ~ 12.75 GHz
Intermodulation Performance DH1
PRBS9
f = +5MHz (CW)
f = +10MHz (BT)
BER @ 0.1%
- -64 dBm
f = -5MHz (CW)
f = -10MHz (BT)
BER @ 0.1%
- -64 dBm
Maximum Input Level DH1
PRBS9 BER @ 0.1% -20 -
dBm
13) GPS receiver specification Item Specification
Receive Frequency 1574.42 MHz ~ 1576.42 MHz
Minimum Sensitivity 1 satellite -142dBm, 7 satellites -147dBm at coarse time
aiding
13) GPS receiver specification
3. CIC AND SERVICE CENTER
- 25 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
3.CIC_AND SERVICE CENTER
3.1 CIC FAQ
No FAQ Q&A
1 Q I cant remember the PhoneLock password.
A
In case of password, pin lock, proceed with factory reset through Power key + Volume down key with the power being off. - For pattern lock with Gmail setting, press the forgot button to set a new pattern
lock.- If Gmail isnt set, use Factory Reset by pressing the Power key + Volume down key
Request for development
1. How to disable Pattern Lock, Password and PIN. 2. Request to check out if it is specified in the user manual.3. Description on HW Factory Reset Key combination and how to do it.
2 Q How do I put in and take out files from the SD card?
A Mako does not support SD Card
Request for development N/A
3. CIC AND SERVICE CENTER
- 26 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
3 Q I use it abroad, but 3G connection doesnt work.
A
1. Verify Data enabled and Data roaming is checked.- Enter the menu Settings > More... > Mobile networks- If these fields are unchecked, 3G data connection is cannot established in
roaming.2. Check access point name- If theres no APN in the Access Point Names menu, create new APN coresponding
to network operator and save it.
3. CIC AND SERVICE CENTER
- 27 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
4 Q The GPS location isnt right, what should I do?
A
If no blockage exists, your GPS will work very well. The mobile data communication is also very very helpful for GPS. Even if its opensky, when you cant get any position, please turn on access to my location and check GPS satellites and Wi-Fi & mobile network position in Settings > Location access menu. If you want a very coarse and fast locating, check use Wi-Fi & mobile network position. However if you want a more accurate and slow locating, do not check it. Basically checking all is prefered for complementary purpose.
5 Q The downloaded application isnt compatible?
A
Specific explanation on how compatibility doesnt fit is needed.Generally for issues of incompatibility of APPs, it is shown that these problems occur when compatibility isnt considered when making APPs. It will be confirmed if the APP with incompatibility is informed.Thank you.
3. CIC AND SERVICE CENTER
- 28 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
6 Q How do I make an e-mail account?
A Google dependent
7 Q E-mail registration doesnt work.
A
1. Email service uses data. Check out Wi-Fi or data are available. 2. Check out the email address and password.3. Check out if your email supports the service((IMAP, POP3, SMTP)).4. For EAS, contact the service administrator to see the server info.
8 Q Unused application shows up as a using program even though it is all killed. What should I do?
AIts because the apps services are being run in the background.For example, phone or email app is supposed to let the user know any incoming calls or messages even when they are killed.
9 Q Wifi connection doesnt work well.
A
When WiFi connection wont work, do the following:1.See if the Password for the AP you are to connect to is wrong. 2. When Settings > Wi-Fi > Advanced > Avoid poor connections are Checked,
internet connection is automatically checked to disconnect the APs that are not connected to the internet. When you use an Intranet where the internet does not work, undo the feature.
3. Settings > Wi-Fi > Advanced > Wi-Fi frequency band is used to present frequency ranges of the AP you are looking for, e.g. Auto, 2.4GHz and 5GHz. Use the Auto mode and set a certain frequency only when there are multiple APs.
3. CIC AND SERVICE CENTER
- 29 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
10 Q How do you install the PC Sync Program?
ALG-E960 does not provide a separate PC-Sync program at the request of the service provider.
11 Q How do you install the Phone driver?
A Google dependent
3. CIC AND SERVICE CENTER
- 30 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
12 Q How to connect internet/data network
A
1. Verify Data enabled and Data roaming is checked.- Enter the menu Settings > More... > Mobile networks- If user want to connect 3G data connection, Data enabled should be checked.- If user want to connect 3G data connection in roaming, Data roaming also
should be checked.2. Check access point name
- If theres no APN in the Access Point Names menu, create new APN coresponding to network operator and save it.
3. CIC AND SERVICE CENTER
- 31 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
13 Q What should I do to connect PC Sync program with the phone?
A
Connect the USB cable and run the connection mode on the terminal by choosing PC Software > PC Suite for automatic connection.Unless automatic connection works, on the PC Suite main screen choose Connect Phone > USB Cable Connection.Or, try Bluetooth On > Discoverable On > Connect Phone on the PC Suite main screen > Bluetooth Connection > choose the terminal to connect to.
Request for development
N/A
3. CIC AND SERVICE CENTER
- 32 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
14 Q Can language be changed?
A
You can change language through Settings - Language & input - Language(US English, Canadian French, Mexican Spanish, Chinese simplified, Chinese traditional and Korean)
3. CIC AND SERVICE CENTER
- 33 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
15 Q How do you Reset and Factory Reset?
A
Reset can be done as below.(On resetting the phone, select the SD card check box and the data on the SD card will be deleted as well.)- Go to Settings - General - Back up & Reset - Factory data reset.Factory Reset can be done as below.It can be executed by pressing power key with pressing volume down key together, with Power Off.
3. CIC AND SERVICE CENTER
- 34 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
16 Q I want to change the bell sound.
A
It can be changed through Settings - Sound - Phone ringtone.
17 Q Is it compatible with other devices?
A It is basically compatible with external Bluetooth and NFC devices.
3. CIC AND SERVICE CENTER
- 35 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
18 Q How do you use HDMI?
A
1. Prepare slimport gender, HDMI cable and charger(optional) as shown in the picture below
slimport gender HDMI cable charger(Optional)
2. Connect the cable and gender as shown in the picture below
3. Plug the HDMI to target device(TV, Monitor etc), then select HDMI mode in the Input List of target device.
optional
3. CIC AND SERVICE CENTER
- 36 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
19 Q HDMI error occurs.
A1. Check up the connection status of HDMI cable, slimport gender.2. Check up the target device is set to HDMI mode in the Input List
20 Q How do you use Smart Share?
A Mako does not support Smart Share.
Request for development N/A
21 Q Smart Share error occurs.
A Mako does not support Smart Share.
Request for development N/A
3. CIC AND SERVICE CENTER
- 37 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
22 Q Battery consumption is too fast.
A
1. Because it is thought that the phone is distant from the network at areas of low antenna(shaded areas), more power is needed to send and receive location registration information of the phone, so battery consumption is faster.
2. Because the screen(LCD Back Light) is on, battery consumption is faster because power consumption is high. For example) If the current of the LCD Back Light is 100mA/h, it means that the 1500mA battery allows 15 hours of LCD to be on, so setting the screen time limit to be short is good because battery consumption becomes faster if the screen time limit is set to be long.
3. After turning on the application and turning it off using the home key, invisible applications are still being used on the background, so battery consumption becomes faster. It is recommended that delete/before key is always used to end applications or programs.
4. When routing is sued, the Super user authority of the Android system area is taken, so battery consumption might become faster.
5. For applications like Dodolphone, Nateon, Kakaotalk, stocks/weather wizet which need regular data updates, battery consumption might become faster if the update interval is set short.
6. If several applications are installed at once, use after restarting and battery consumption might become faster if several wizet applications are installed on the background.
23 Q How is the distribution schedule of OS or SW new version known?
AIt can be checked at local LG Electronic service centers or LG Mobile homepage notice page.
3. CIC AND SERVICE CENTER
- 38 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
24 Q How do you update the SW?
A
Google provides GOTA service to offer SW updates.- GOTA : Without need of additional computer, download FOTA Package to
cellphone through phones network(3G, 4G WIFI etc.) and let it install & Update by itself.
User Data should be retained in principle.
3. CIC AND SERVICE CENTER
- 39 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
25 Q Until when is it guaranteed after purchase?What is the warranty limit?
AFree warranty period is 1 year from the date of purchase. Any breakdown or failure caused by external shock may incur repair charge even within the free warranty period.
26 Q What kinds of phone accessories are there?
A You can purchase it from a local LG Electronics service center or on the internet.
Please ask and answer 3 expected questions regarding the new product and new features.
27 Q What should I do when SmartShare ends or halts upon changing the setting to USB (large capacity storage unit) while up-/down-loading files?
AWhen you change the setting to a large capacity storage unit while SD card reading or writing, the system forces the application accessing the SD card to end. That is why such abrupt ending or halting occurs. You cannot control it with SmartShare.
28 Q What is CSFB?
ACSFB stands for Circuit Switched Fall Back. CSFB enables 2G or WCDMA connection by Fall Back when an incoming call arrives while youre using LTE.
3. CIC AND SERVICE CENTER
- 40 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
No FAQ Q&A
29 Q What should I do to run Quick Memo?
A
Press Volume Up + Down at the same time.Go to Quick Setting and select Quick Memo.
30 Q What should I do to use Android NFC Beam?
A
Go to Quick Setting and see if Beam feature is active. Then, get the back side of your phone together with that of the others and touch any information you want to share, e.g. Browser Pages, YouTube video, Pepple contacts etc. And youll see the touched information move to the other Phone.
31 Q The screen wont work. What should I do?
APress the Power button for 10 sec. Then, it will be rebooted forcefully, and the screen will work normally.
32 Q The phone is too hot.
AThe phone gets hot when you use it for a long time for calling, playing games and surfing the internet. This wont cause any problem to the phones performance or product quality.
4. TROUBLE SHOOTING
- 41 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
4.1 RF Component
U12001RF Transceiver
U11008MMPA (QUAD GSM, W-B1, W-B8)
FL11012FEMid
FL11011WCDMA B8Tx SAW
4. TROUBLE SHOOTING
- 42 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
U1201DRX SEPARATOR
U11009UMTS B5 PAM
U11002UMTS B4 PAM
U11004UMTS B2 PAM
FL11014UMTS B5 DUPLEXER
FL11006UMTS B2 TX SAW
FL11003UMTS B4 DUPLEXER
FL11004UMTS B4
Tx SAW
4. TROUBLE SHOOTING
- 43 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
RF component
Reference No. Description Reference No. Description
U12001 WTR1605L (Transceiver) FL11014 WCDMA B5 DUPLEXER
U11008 MMPA (QUAD GSM, W-B1, W-B8) U1201 DRX SEPARATOR
U11004 WCDMA B2 PAM FL1201 WCDMA B5 DRX SAW
U11002 WCDMA B4 PAM FL1202 WCDMA B1 / 4 DRX SAW
U11009 WCDMA B5 PAM FL1206 WCDMA B8 DRX SAW
U1200 GNSS LNA FL1207 WCDMA B2 DRX SAW
FL11004 WCDMA B4 TX SAW U9001 BT / WI-FI MODULE
FL11006 WCDMA B2 TX SAW U9002 NFC MODULE
FL11003 WCDMA B4 DUPLEXER SW11001 MOBILE S/W
FL11012 FEMid FL11011 WCDMA B8 Tx SAW
4. TROUBLE SHOOTING
- 44 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4.2 SIGNAL PATH
WCDMA B1, B5 and B2 TX Signal PATH
1. WCDMA B1 TX PATH 2. WCDMA B2 TX PATH
3. WCDMA B4 TX PATH 4. WCDMA B5 TX PATH
5. WCDMA B8 TX PATH 6. COMMON TX/RX PATH
4. TROUBLE SHOOTING
- 45 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B1, B5 and B2 RX Signal PATH
1. WCDMA B1 RX PATH 2. WCDMA B2 RX PATH
3. WCDMA B4 RX PATH 4. WCDMA B5 RX PATH
5. WCDMA B8 RX PATH 6. COMMON TX/RX PATH
4. TROUBLE SHOOTING
- 46 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1. GSM850/GSM900 TX PATH
2. DCS1800/PCS1900 TX PATH
3. GSM900 RX PATH
4. GSM850 RX PATH
5. DCS1800/PCS1900 RX PATH
6. COMMON RX/TX PATH
GSM850/GSM900/DCS1800/PCS1900 RX/TX Signal PATH
4. TROUBLE SHOOTING
- 47 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4.3 Checking TCXO BlockThe output frequency (19.2MHz) of XO (X23001) is used as the reference one of WTR1605L and PM8921 internal VCO
Schematic of the Crystal Part (19.2MHz)
TP1
TP2
4. TROUBLE SHOOTING
- 48 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Schematic of the Crystal Part (19.2MHz)
C23024
100n
R23005
0
EPSON
EAW61843801
19.2MHz
X23001 X1G0038510002
6 5
3 2
4 1NC/GNDVCC
GNDOUT
TP1TP2
PM8921_XO_ADC_GND
VREG_XO
Isolated ground for XO circuits onlyGND for PM8921 XO_ADC
TCXO
TP1
TP23002
R23006 0
TP23001
P11V4A3A2L7J14N6K7J7H7L2 XTAL_19M_OUT
XO_OUT_A0XO_OUT_A1XO_OUT_A2XO_OUT_D0XO_OUT_D0_ENXO_OUT_D1XTAL_32K_INXTAL_32K_OUTSLEEP_CLK0GPIO_38/UART_M_RX
PM8921_SLEEP_CLK0
CXO_ENPM8921_XO_OUT_D0
PM8921_XO_OUT_D1
Rev.B
TP2
4. TROUBLE SHOOTING
- 49 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Check TP1(VREG_XO)
1.9 VREG_XO 1.7 Check the PM8921No
Yes
Check TP2(19.2MHz)
19.2MHz Signal Check soldering and components
No
Yes
XO OK
4. TROUBLE SHOOTING
- 50 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4.4 Checking FEMID (GSM QUAD, WB1/B2/B4/B5/B8) Block
VBATT(TP5)
ANT_SEL_0(TP1)
ANT_SEL_1(TP2)
ANT_SEL_2(TP3)ANT_SEL_3(TP4)
4. TROUBLE SHOOTING
- 51 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Schematic of the Antenna Switch Block
CTL1 CTL2 CTL3 CTL4
GSM LB TX L H L H
GSM HB TX H L L L
NC L H L L
GSM1800 RX L L H L
GSM1900 RX L H H L
UMTS B1 H L H H
UMTS B2 H L L H
UMTS B8 L L L H
NC H H L H
UMTS B4 L L H H
U850_G850 RX H H H H
TP2 TP3 TP4 TP5
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2TX
B8TX
GSM1800/1900TX
GSM850/900TX
GND10
GND2
GND9
ANT
GSM850RX2GND3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GND4
GND5
B2R
X1
B2R
X2
GND6
C11022
1n
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.DTP1
TP2
TP3
TP4
TP5
4. TROUBLE SHOOTING
- 52 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Check ANT_SEL 0,1,2,3 High Level
1.4 Voltage 3.0V Check the TP1(VDD)No
Yes
Check the ANT Logic in each mode
4. TROUBLE SHOOTING
- 53 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4.5 Checking WCDMA Block
START
Check XO(19.2MHz) BlockRefer to 4.3
Check FEMID BlockRefer to 4.4
Check TX/RX Level
Re-download & Cal
Change the Board
4. TROUBLE SHOOTING
- 54 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4.5.1 Checking XO (19.2MHz) BlockRefer to 4.3
4.5.2. Checking FEMID BlockRefer to 4.4
4.5.3. Checking RF TX Level
WCDMA B1
TP1
4. TROUBLE SHOOTING
- 55 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
TP2
TP3
4. TROUBLE SHOOTING
- 56 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
L11064
DNI
51
R11011
L11069
0.5p
4.7u
C11094
DNI
L11074
L11070
DNI
VBAT
1n1n
C11096
C11104
1n
L11061
0.5p
L11065
DNI
L11067 3.9nC11095
22u
C11107
1p
L11060
DNI
L11063 3.3n
L11073 4.7n
L11059 2.7n
U11008
25
1224
18
17
19
16
20
15
21
14
22
13
23
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
GND2
GSM_LB_RF_OUT
UMTS_HB_RF_OUT
GND3
GND4
GSM_HB_RF_OUT
UMTS_LB_RF_OUT
GND5
GND6
VCC_GSM
VCC_UMTS
CPL_RF_OUT
CPL_RF_IN
GND_SLUG
TX_GSM_HB
PA_DET_MMMB
+VSMPS
TX_ANT_LU2100
TX_ANT_U900
TX_GSM_LB
GSM(QUAD)_U1/8(EU) MMMB
TP2
+VPWR
C11105 33p
33pC11088
C11093 33p
L11057
DNIL11058
DNI
L11068
DNI
C11084 33p
FL11011Part Name=SAFEB897MAM0F00
897.5 MHz
Vendor=MURATA
5 3 2
4 1INOUT
G1G2G3C11106 2.2n
L11072
DNI
2.7n
L11066
C11
103
1n
C11
102
100p
C11
101
100p100p
C11
100
100p
C11
099
100p
C11
098
C11
097
22u
L11071
15n
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
PA_ON1_GSMHB
PA_ON0_GSMLB
PA0_R1PA0_R0
MMMB_MODE
TX_OUT_GSM_LB
TX_OUT_GSM_HB
TX_OUT_LU2100
TX_OUT_U900
TP3
4. TROUBLE SHOOTING
- 57 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
testing, Max power output is needed
Check ANT_SEL 0,1,2,3 (High, Low, High, High)
Check TP1Over 21 dBm? RF TX Level is OK
Yes
No
Check WTR1605L
Check TP2Over 21 dBm? Check FL11012
Yes
No
Check TP3Over -3 dBm? Check PAM
Yes
No
4. TROUBLE SHOOTING
- 58 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
- PAM control signal
PA_ON1 GSMHB (C11102) : PAM Enable
PA_R0 (C11098) : PAM Gain Control
PA_ON1 GSMHB (C11102) must be HIGH (over 2.6V)
TP4
TP1
TP3
TP2
4. TROUBLE SHOOTING
- 59 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
+VPWR
C11105 33p
33pC11088
C11093 33p
L11057
DNIL11058
DNI
L11068
DNI
C11084 33p
FL11011Part Name=SAFEB897MAM0F00
897.5 MHz
Vendor=MURATA
5 3 2
4 1INOUT
G1G2G3C11106 2.2n
L11072
DNI
2.7n
L11066
C11
103
1n
C11
102
100p
C11
101
100p100p
C11
100
100p
C11
099
100p
C11
098
C11
097
22u
L11071
15n
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
PA_ON1_GSMHB
PA_ON0_GSMLB
PA0_R1PA0_R0
MMMB_MODE
TX_OUT_GSM_LB
TX_OUT_GSM_HB
TX_OUT_LU2100
TX_OUT_U900
TP1
TP3
TP2
4. TROUBLE SHOOTING
- 60 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Set the phone Tx is On and PDM is 90
Check TP4 Over 21 dBm?
Check TP1 Over -3 dBm?
RF Tx Level is OK
No
No
No
Yes
Yes
Yes
Change the board
Check TP2 MMPA 2.6V
Check TP3 PA _R0 0.5V
Check MDM9615M
Check WTR1605L
4. TROUBLE SHOOTING
- 61 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B6
TP1
4. TROUBLE SHOOTING
- 62 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
TP2
TP3
4. TROUBLE SHOOTING
- 63 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
L11064
DNI
51
R11011
L11069
0.5p
4.7u
C11094
DNI
L11074
L11070
DNI
VBAT
1n1n
C11096
C11104
1n
L11061
0.5p
L11065
DNI
L11067 3.9nC11095
22u
C11107
1p
L11060
DNI
L11063 3.3n
L11073 4.7n
L11059 2.7n
U11008
25
1224
18
17
19
16
20
15
21
14
22
13
23
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
GND2
GSM_LB_RF_OUT
UMTS_HB_RF_OUT
GND3
GND4
GSM_HB_RF_OUT
UMTS_LB_RF_OUT
GND5
GND6
VCC_GSM
VCC_UMTS
CPL_RF_OUT
CPL_RF_IN
GND_SLUG
TX_GSM_HB
PA_DET_MMMB
+VSMPS
TX_ANT_LU2100
TX_ANT_U900
TX_GSM_LB
GSM(QUAD)_U1/8(EU) MMMB
TP2
+VPWR
C11105 33p
33pC11088
C11093 33p
L11057
DNIL11058
DNI
L11068
DNI
C11084 33p
FL11011Part Name=SAFEB897MAM0F00
897.5 MHz
Vendor=MURATA
5 3 2
4 1INOUT
G1G2G3C11106 2.2n
L11072
DNI
2.7n
L11066
C11
103
1n
C11
102
100p
C11
101
100p100p
C11
100
100p
C11
099
100p
C11
098
C11
097
22u
L11071
15n
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
PA_ON1_GSMHB
PA_ON0_GSMLB
PA0_R1PA0_R0
MMMB_MODE
TX_OUT_GSM_LB
TX_OUT_GSM_HB
TX_OUT_LU2100
TX_OUT_U900
TP3
4. TROUBLE SHOOTING
- 64 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
testing, Max power output is needed
Check ANT_SEL 0,1,2,3 (Low, Low, Low, High)
Check TP1Over 21 dBm? RF TX Level is OK
Yes
No
Check WTR1605L
Check TP2Over 21 dBm? Check FL11012
Yes
No
Check TP3Over -3 dBm? Check PAM
Yes
No
4. TROUBLE SHOOTING
- 65 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
- PAM control signal
PA_ON0 GSMLB (C11100) : PAM Enable
PA_R0 (C11098) : PAM Gain Control
PA_ON0 GSMLB (C1100) must be HIGH (over 2.6V)
TP2
TP1
TP3
TP1
4. TROUBLE SHOOTING
- 66 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
L11064
DNI
51
R11011
L11069
0.5p
4.7u
C11094
DNI
L11074
L11070
DNI
VBAT
1n1n
C11096
C11104
1n
L11061
0.5p
L11065
DNI
L11067 3.9nC11095
22u
C11107
1p
L11060
DNI
L11063 3.3n
L11073 4.7n
L11059 2.7n
U11008
25
1224
18
17
19
16
20
15
21
14
22
13
23
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
GND2
GSM_LB_RF_OUT
UMTS_HB_RF_OUT
GND3
GND4
GSM_HB_RF_OUT
UMTS_LB_RF_OUT
GND5
GND6
VCC_GSM
VCC_UMTS
CPL_RF_OUT
CPL_RF_IN
GND_SLUG
TX_GSM_HB
PA_DET_MMMB
+VSMPS
TX_ANT_LU2100
TX_ANT_U900
TX_GSM_LB
GSM(QUAD)_U1/8(EU) MMMB
TP4
+VPWR
C11105 33p
33pC11088
C11093 33p
L11057
DNIL11058
DNI
L11068
DNI
C11084 33p
FL11011Part Name=SAFEB897MAM0F00
897.5 MHz
Vendor=MURATA
5 3 2
4 1INOUT
G1G2G3C11106 2.2n
L11072
DNI
2.7n
L11066
C11
103
1n
C11
102
100p
C11
101
100p100p
C11
100
100p
C11
099
100p
C11
098
C11
097
22u
L11071
15n
6
5
7
4
8
3
9
2
10
1
11UMTS_LB_RF_IN
UMTS_HB_RF_IN
GSM_LB_RF_IN
GSM_HB_RF_IN
LB_EN
HB_EN
VBATT
VMODE0
GND1
VMODE1
MODE
PA_ON1_GSMHB
PA_ON0_GSMLB
PA0_R1PA0_R0
MMMB_MODE
TX_OUT_GSM_LB
TX_OUT_GSM_HB
TX_OUT_LU2100
TX_OUT_U900
TP3
TP2TP1
4. TROUBLE SHOOTING
- 67 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Set the phone Tx is On and PDM is 90
Check TP4 Over 21 dBm?
Check TP1 Over -3 dBm?
RF Tx Level is OK
No
No
No
Yes
Yes
Yes
Change the board
Check TP2 MMPA 2.6V
Check TP3 PA _R0 0.5V
Check MDM9615M
Check WTR1605L
4. TROUBLE SHOOTING
- 68 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B2
TP1
4. TROUBLE SHOOTING
- 69 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
TP3
TP2
4. TROUBLE SHOOTING
- 70 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
U11004Part Name=ACPM-5702-TR1
Vendor=AVAGO
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
C11059
DNI
330p
C11
044
C11
045
4.7u
L11039 100p
C11058
3.9n
PA_DET_MMMB +VSMPS
TX_ANT_LU1900
PA_DET_1
UMTS_L2 TX
L11041 2.2n
DNI
L11044
C11057 33p33pC11056
4
3
5
2
1
NC
L1104033p
L11045
6.8n
100p
C11
063
C11
064
100p
C11
065
100p
330p
C11
046
4.7u
C11
047
1880MHz
Vendor=MURATA
Part Name=SAFEA1G88KB7F00
FL11006
5 2
4 1
3G3
INOUTG1G2
+VPWR
PA0_R1PA0_R0
PA_ON4_U1900
TX_OUT_U1900
TP2
TP3
4. TROUBLE SHOOTING
- 71 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
testing, Max power output is needed
Check ANT_SEL 0,1,2,3 (Low, Low, Low, High)
Check TP1Over 21 dBm? RF TX Level is OK
Yes
No
Check WTR1605L
Check TP2Over 21 dBm? Check FL11012
Yes
No
Check TP3Over -3 dBm? Check PAM
Yes
No
4. TROUBLE SHOOTING
- 72 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
- PAM control signal
PA_ON4_U1900 (C11065) : PAM Enable (VEN)
PA0_R1 (C11064) : PAM Gain Control (VMODE)
PA_ON4_U1900 (VEN) must be HIGH (over 2.6V)
TP1
TP3
TP2VEN
4. TROUBLE SHOOTING
- 73 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Set the phone Tx is On and PDM is 90
Check TP3Over 21 dBm? RF Tx Level is OK
Yes
No
Change the board
Check TP2PA _R1 2.6V Check MDM9615M
Yes
No
Check TP1Over -3 dBm? Check WTR1605L
Yes
No
DNI
L11044
C11057 33p33pC11056
U11004Part Name=ACPM-5702-TR1
Vendor=AVAGO
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
C11059
DNI
100p
C11
063
C11
064
100p
C11
065
100p
330p
C11
046
330p
C11
044
4.7u
C11
047
Part Name=SAFEA1G88KB7F00
FL110064
OUT
C11
045
4.7u
L11039 100p
C11058
3.9n
+VPWR
PA0_R1PA0_R0
PA_ON4_U1900
PA_DET_MMMB +VSMPS
PA_DET_1
UMTS_L2 TXTP2
VEN
TP1
TP3
4. TROUBLE SHOOTING
- 74 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B5
TP1
4. TROUBLE SHOOTING
- 75 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
TP2
TP3
4. TROUBLE SHOOTING
- 76 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
L110263.3nC11031
2n
C11028
2.2u
C11032
DNI
C11027
330p
100p
C11
037
0.5p
C11036 C11035
DNI
Part Name=ACPM-5704-TR1Vendor=AVAGO
U11002
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
L11025 56p
FL11003
75
8
4 92
3
16ANT RX1
TX
GND1GND5GND2
RX2
GND3 GND4
+VSMPS
PA_DET_1
PA_DET_2
RX_L4_P
RX_L4_M
UMTS_L4(TMUS)_TRX
TP2
L11029
4.7n
C11034 27p
L11030
DNI
Part Name=B9489FL11004
Vendor=EPCOS
5 3 2
4 1INOUT
G1G2G3
330p
C11
029
100p
C11
039
100p
C11
038
100p
C11
037
C11033 100p
4
3
5
2
1VCC1
RFIN
VEN
NC
VMODE
C11030
2.2u
L110
28
8.2p
L110
27
4.7p
+VPWR
PA0_R1PA0_R0
PA_ON5_L4
TX_OUT_LU4
TP3
4. TROUBLE SHOOTING
- 77 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
testing, Max power output is needed
Check ANT_SEL 0,1,2,3 (Low, Low, Low, High)
Check TP1Over 21 dBm? RF TX Level is OK
Yes
No
Check WTR1605L
Check TP2Over 21 dBm? Check FL11012
Yes
No
Check TP3Over -3 dBm? Check PAM
Yes
No
4. TROUBLE SHOOTING
- 78 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
- PAM control signal
PA_ON5_L4 (C11039) : PAM Enable (VEN)
PA0_R1 (C11038) : PAM Gain Control (VMODE)
PA_ON5_L4 (VEN) must be HIGH (over 2.6V)
TP1
TP3
TP2
VEN
4. TROUBLE SHOOTING
- 79 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Set the phone Tx is On and PDM is 90
Check TP3Over 21 dBm? RF Tx Level is OK
Yes
No
Change the board
Check TP2PA _R1 2.6V Check MDM9615M
Yes
No
Check TP1Over -3 dBm? Check WTR1605L
Yes
No
L110263.3n
L11029
4.7n
C11028
2.2u
Part Name=B9489FL11004
Vendor=EPCOS
4OUT
G3
C11027
330p 330p
C11
029
100p
C11
039
100p
C11
038
100p
C11
037
0.5p
C11036 C11035
DNI
C11033 100p
Part Name=ACPM-5704-TR1Vendor=AVAGO
U11002
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
C11030
2.2u
L11027
4.7p
+VPWR
PA0_R1PA0_R0
PA_ON5_L4
+VSMPS
PA_DET_1
PA_DET_2
RX_L4_P
RX_L4_M
TP3
TP2TP1
VEN
4. TROUBLE SHOOTING
- 80 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B5
TP1
4. TROUBLE SHOOTING
- 81 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
TP2
TP3
4. TROUBLE SHOOTING
- 82 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
DN
IL1
1006
L11002 10n
L11012 10n
L11078 8.2n
C11
116
100p
2.2u
C11121
C11
122
330p
R1204
36
12p
C1271
C11124
1p
C11123
1.8p
FL11014
Part Name=B8553
75
8
4 92
3
16ANT RX1
TX
GND1GND5GND2
RX2
GND3 GND4
U11009
EAN62404201
ACPM-5505-TR1
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
+VSMPS
PDET_IN_WTR1605L
PRX_UG850_INP
PRX_UG850_INM
PA_DET_2
Rev.E
5.8 dB ATTN.
Vender = EPCOS
C11112 33p
DNI
L11077
100p
C11118
100p
C11117
C11116
100p
2.2u
C11121
C11122
330p
330p
C11120 2.2u
C11119
R1204
36
12p
C1271
150
R1205 R1206
150
L11075
8.2n
U11009
EAN62404201
ACPM-5505-TR1
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
+VPWR
PA0_R1PA0_R0
+VSMPS
TX_OUT_U850
PDET_IN_WTR1605L
PA_ON3_U850
PA_DET_2
Rev.E
5.8 dB ATTN.
TP2
TP3
4. TROUBLE SHOOTING
- 83 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
- PAM control signal
PA_ON3_U850 (C11118) : PAM Enable (VEN)
PA0_R1 (C11117) : PAM Gain Control (VMODE)
PA_ ON3_U850 (VEN) must be HIGH (over 2.6V)
TP1
TP3
TP2VEN
4. TROUBLE SHOOTING
- 84 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
Set the phone Tx is On and PDM is 90
Check TP3Over 21 dBm? RF Tx Level is OK
Yes
No
Change the board
Check TP2PA _R1 2.6V Check MDM9615M
Yes
No
Check TP1Over -3 dBm? Check WTR1605L
Yes
No
DNI
L11006
L11002 10n
L11012 10n
C11112 33pL11078 8.2n
DNI
L11077100p
C11118
100p
C11117
C11116
100p
2.2u
C11121
C11122
330p
330p
C11120 2.2u
C11119
R1204
36
12p
C1271
150
R1205 R1206
150
C11124
1p
C11123
1.8p
L11075
8.2n
U11009
EAN62404201
ACPM-5505-TR1
6
7 4
8 3
5
9 2
10 1
11PGND
VCC1VCC2
RFINRFOUT
VEN
NCISO
VMODEGND
CPL
+VPWR
PA0_R1PA0_R0
+VSMPS
TX_OUT_U850
PDET_IN_WTR1605L
PRX_UG850_INP
PRX_UG850_INM
PA_ON3_U850
PA_DET_2
Rev.E
5.8 dB ATTN.
TP3 TP2
VEN
TP1
4. TROUBLE SHOOTING
- 85 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
4.5.4. Checking RF Rx Level
WCDMA B1
Test Point (WCDMA B1 RF Rx Level)
TP2
4. TROUBLE SHOOTING
- 86 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
L11004
3.3n
1.2nL11000
1.2nL11009
PRX_LU2100_INM
RX_LU2100_P
RX_LU2100_M
PRX_LU2100_INP
W1(AT) L1_W1(EU)_Rx
TP2
4. TROUBLE SHOOTING
- 87 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
START
Check TP1 Signal exist? Check RF (M/S)No
Yes
Check, WTR1605L
Yes
Check TP2 Signal exist?
Check Femid(FL11002)No
4. TROUBLE SHOOTING
- 88 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B8
Test Point (WCDMA B8 RF Rx Level)
TP2
TP1
4. TROUBLE SHOOTING
- 89 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002
DNI
VDD_RF_SW
ANT_SW_SEL0
ANT_SW_SEL3ANT_SW_SEL2
RX_GSM_HB_MRX_GSM_HB_P
TX_GSM_HB
TX_ANT_LU2100
TX_ANT_U900
RX_UG900_MRX_UG900_P
TRX_ANT_LU4
TX_ANT_LU1900
RX_LU1900_M
RX_LU2100_P
TX_GSM_LB
RX_LU2100_M
TRX_ANT_UG850
ANT_SW_SEL1
RX_LU1900_P
Rev.D
TP1
10nL11015
10nL11019DNI
C11015
PRX_UG900_INMRX_UG900_M
RX_UG900_P PRX_UG900_INP
UG8(EU)_Rx
TP2
4. TROUBLE SHOOTING
- 90 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
START
Check TP1 Signal exist? Check RF (M/S)No
Yes
Check, WTR1605L
Yes
Check TP2 Signal exist?
Check Femid(FL11002)No
4. TROUBLE SHOOTING
- 91 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
WCDMA B2
Test Point (WCDMA B2 RF Rx Level)
TP2
TP1
4. TROUBLE SHOOTING
- 92 - Copyright 2012 LG Electronics. Inc. All right reserved.Only for training and service purposes
LGE Internal Use Only
1KR11003
0
R11002
1KR11004
1KR11005
1KR11006
FL11012
EAT61793401
LMSWBPGF-D49
MURATA
24232221201918
17
16
15
14
13
12
29
11
30
10
31
932
8
33
7
34
6 5 4 3
252
26
1
27
28GND8
GND7
B1TX
B1RX2GND1
B1R
X1
B2T
X
B8T
X
GS
M18
00/1
900T
X
GS
M85
0/90
0TX
GND10
GN
D2
GND9
AN
TGSM850RX2
GN
D3
GSM850RX1
VDD
GSM1800/1900RX2
CTL1
GSM1800/1900RX1
CTL2
CTL3
CTL4
TRX1
TRX2
TRX3
B8R
X1
B8R
X2
GN
D4
GN
D5
B2R
X1
B2R
X2
GN
D6
SW11001Part Name=MS-156C
Vendor=HIROSE
43
2
1ANT COMMON
G3 G4
Part Name=20279-001E-01Vendor=I-PEX
SW11000
G1
ANTG2
L11008
DNI
C11022
1n
L11007 2.2nL11080 100p
VA11001
C11002