AOC TFT-LCD Color Monitor 152V Service Manual - ADE3800XL

1

AOC 152V

LCD MONITOR

: 03/2008

SERVICE MANUAL www.ma163.com

2

1. -------------------------------------------------------------------03

2. -------------------------------------------------------------------------05

3. -----------------------------------------------------------07

4. ---------------------------------------------------------------------11

5. -----------------------------------------------------------------------19

6. PCB -----------------------------------------------------------------------21

7. ---------------------------------------------------------------------------27

8. ---------------------------------------------------------------------------35

9. BOM -----------------------------------------------------------------------------36

www.ma163.com

3

1.

FCC

FCC B FCC

FCC 15 B

1.

2.

3.

4. /

1.

2.

3.

WEEE

www.ma163.com

4

/

UL

100 - 240V AC, Min. 5A

ULCSA ()

www.ma163.com

5

2.

152V

TFT LCD

38.1 (15 )

0.297 () 0.297 ()

,,

/ TTL

16.7M

LCD

65MHz

30kHz - 60kHz

12.0 (304.1mm)

60Hz-70Hz

9.0 (228.1mm)

1024 768@60Hz

VESA DDC2B

D 15

0.7Vpp /75

100~240VAC, 50~60Hz

15- Mini D-Sub

2.9kg()

25 W ( 2 )

30 W ( 4 )

1 W

() 357.5 (mm)

362 (mm)

144 (mm)

2.9kg

5C to 35C

-20C to 60C

10% - 85%

5% - 80%

0~3000m (0~10000 ft)

0~5000m (0~15000 ft)

UL, FCC, MPR II

www.ma163.com

6

(kHz) (Hz)

720 400 31.47 70.0

640 480 31.47 60.0

640 480 35.00 66.6

640 480 37.50 75.0

VGA

640 480 37.861 72.8

800 600 35.156 56.3

800 600 37.879 60.0

800 600 48.077 72.2

800 600 46.875 75.0

SVGA

832 624 49.725 75.0

1024 768 48.363 60.0

1024 768 56.476 70.0

1024 768 60.24 74.9 XGA

1024 768 60.02 75.0

1. - 9. +5V

2. - 10.

3. - 11. RDX

4. TDX 12. DDC-

5. 13.

6. 14.

7. 15. DDC-

8.

DDC2B

VESA DDC2B VESA DDC

DDC

DDC2B I2C DDC2B EDID

www.ma163.com

7

3.

*

* PC

*

/:

/

/ :

OSD

:

:

/ :

1. OSD ( OSD ) 2. OSD 2

1. /

2. /

3.

4.

5. /

www.ma163.com

8

OSD

1. MENU OSD

2. < > MENU

< > MENU

3. < >

4. 2-3

5. OSD OSD MENU

OSD MENU

OSD

OSD

OSD

www.ma163.com

9

6500 EEPROM 6500 K

7800 EEPROM 7800K

OSD OSD

OSD

OSD

www.ma163.com

10

220VMENUAuto Level

MENUOSD

a.:

50.

80.

b.:

F MENU

7800K

1AUTO LEVEL

2MENU7800KR G B

x = 296 20, y = 311 20, Y = 180 10 cd/m2

6500K

1AUTO LEVEL

2MENU 6500K R G B

x = 313 20, y = 329 20, Y = 180 10 cd/m2

c.

www.ma163.com

11

4.

4.1

*

*

* PC

*

* 15 D

*

*

()

*

*

*

*

* PC Caps Lock

() *

*(CLOCK)(FOCUS)(AUTO)

() * RGB

*

* Windows CLOCK FOCUS

(AUTO )

www.ma163.com

12

4.2

4.2.1

U105 2 3.3V

U106 2 1.8V

X101

CN106

U105, U106

U101

X101

OK

OK

OK

NG

OK

NG

NG

OK NG U101

X100

U102

X100 OK NG

www.ma163.com

13

(LED )

X101

U101

X101

U105 23.3V

U106 2 1.8V

U102

X100

U105, U106

OK

OK

OK

OK

OK

NG

NG

NG

U101

CN100

X100

NG

NG

OK

www.ma163.com

14

Q105

X401

Q105, C146,C190

PANEL

U401

OK

OK

OK X401

OK

NG

NG

NG

NG

U401

www.ma163.com

15

5.2.2

1)

CN102 pin12 = 12V

NG

110V 220V

C905 (+)

F901

IC901 Pin3

R906, R907 IC901

NG

10V 20V

1) IC901

2) ZD901Q902Q901

OK

OK

NG

Q903, T901, D910, D912, L903L904

OK

IC901 8 PWM

OK IC901

NG

NG OK

NG

F902 F902

NG

OK

www.ma163.com

16

LED

CON201 56 12V

NGOK

ON/OFF

NGOK

U201 9 10V

NGOK Q201 Q202

U201 1

NGOK U201

D201 (-).

NGOK Q203, Q205, Q207, D201

PT201 25

NG

PT201

Q209, Q210, C213

OK NG PT201

OK

www.ma163.com

17

5.2.3

OSD

Y

N

N

Y

N

Y

www.ma163.com

www.ma163.com

19

5.

U102

(ADE 3800SXLCBG)

PANEL

CN101

(27MHz/30PF/49US)

X100

D-SUB connector

CN100

MCU

(ST7FLCD1G9M1)

U101

(27MHz/30PF/49US)

X101

OSD EEPROM

(M24C16-WMN6TP)

U104

EEPROM

(24LC02B/SNG OIC-8PIN)

U103

www.ma163.com

20

CON102

EMI

PWM IC

ON/OFF PWM IC

MOSFET Q203Q204

ON/OFF

PWM

12V

: R906R907

5V

www.ma163.com

21

6.PCB 6.1

www.ma163.com

22

www.ma163.com

23

www.ma163.com

24

6.2

www.ma163.com

25

www.ma163.com

26

6.3

www.ma163.com

27

7. 7.1

74F-VCC

C111

0.1uF/16V

74F-VCC

C219

0.1uF/16V

C220

0.1uF/16V

L103 0 1/16W

L102 0 1/16W

L101 0 1/16W

1 2

S2

AGND1GND

D102

MLL

5232

B 5

.6V

C112

0.1uF/16V

R105 22 1/16W

R1002.7K 1/16W

R106 22 1/16W

add 0.1uf 7-15

D111MLL5232B 5.6V

C115

0.1uF/16V

3

12

D105BAV99

R10

875

1/1

6W

R-GND

R122 100 1/16W

R12

010

K 1

/16W

R123 100 1/16W

D106

MLL

5232

B 5

.6V

C108 0.1uF

D110MLL5232B 5.6V

R104 22 1/16W

R10147 1/16W

C102 0.1uF

GND4

VCC8

A01

A12

A23WP

7

SCL6

SDA5

U103

M24C02WMN6

R10

975

1/1

6W

3

12

D104BAV99

3

1 2

D109

BAV70

R12

1N

C

C10056pF

C116

33pF

D108MLL5232B 5.6V

C218

0.1uF/16V

D107

MLL

5232

B 5

.6V

C109 0.1uF

R11

910

K 1

/16W

C106

8pF/NP

C104 0.1uF

D100

MLL5232B

5.6V

C103 0.1uF

C110 0.1uF

C107

8pF/NP

C117

33pF

C105

8pF/NP

R1240 1/16W

R10

7

75 1

/16W

3

12

D103BAV99

AGND1

PC5V

AGND1

AGND1

AGND1

AGND1

AGND1

AGND1

AGND1

AGND1

AGND1

DDC_SDA_A [5]DDC_SCL_A [5]

AGND1

DB-DETECT [5]

RS232-RX [5]

ADE-AHSYNC [3]

ADE-AVSYNC [3]

ING+ [3]

INB+ [3]

INR+ [3]

ING- [3]

EDID-WP [5]

INB- [3]

INR- [3]

DB15-SDADB-DETECTPC5V

RED

GREENRED

DB15-AVSYNCDB15-AHSYNC

G-GND

BLUE

GREEN

7/2 C116,C117 Changefrom 220p to 33p

PC5V

11 10

14

7

U108E

74F14/NPSOP-14

9 8

14

7

U108D

74F14/NPSOP-14

13 12

14

7

U108F

74F14/NPSOP-14

1 2

14

7

U108A

74F14/NPSOP-14

R11722/NP

R0603

C12922pF/NPC0603

R11375

R0603

R11822/NP

R0603

C13022pF/NPC0603

R11575

R0603 C113100pFC0603

C114100pFC0603

3 4

14

7

U108B

74F14/NPSOP-14

2 3

1

D113BAT54C/NPSOT23B

5 6

14

7

U108C

74F14/NPSOP-14

C1310.1uF/NPC0603

DB-RXDBAT54C3

1

2 DB15-AVSYNC

DB15-AHSYNC

246810121416

13579

111315

CN100

CONNAGND1

DB15-SDA

AGND1

B-GND

DB15-SCL

+5V-MCU

DB15-SCL

FB101

30 OHM

R-GND

BLUE

R11622

R0603

R11422

R0603

DB-RXD

DVDD33

+5V-MCU

AGND1

AGND1 AGND1

AGND1AGND1

AGND1AGND1