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AOC M19W531, Service Manual

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AOC M19W531 Service Manual Download Page 22

19" LCD Color Monitor

                           

                                                            AOC M19W531       

R124

100

Ω

 1/10W

C106 0.047uF

CN102

JACK

1

2

3

4

5

6
7

8

25

28

9

10

11

12

13

14

15

16

26

29

17

18

19

20

21

22

23
24

27

32 31

DAT2-

DAT2+

2/4shield

DAT4-

DAT4+

DDC SCL

DDC SDA

VSYNC

R

HSYNC

DAT1-

DAT1+

1/3shield

DAT3-

DAT3+

+5V

SYNC GND

HPD

G

RGB GND

DAT0-

DAT0+

0/5shield

DAT5-

DAT5+

clk shield

clk+

clk-

B

GN

D

GN

D

DVI_+5V

B_TX0+

5

WP_DDC

7

+5V

WP_DDC

R127

100

Ω

 1/10W

+5V

R111

100

Ω

 1/10W

R122

100

Ω

 1/10W

DVI_+5V

7

G-

TXCLK-

R129
10K

Ω

 1/10W

SOG

5

DVI_DAT

C114

0.1uF

C111 0.047uF

C120

0.1uF

GIN-

5

HPD_CTL

D110
BAV99

3

1

2

TXCLK-

5

DVI_+5V

R102 10K

Ω

 1/10W

D104
BAV99

3

1

2

D116

BAV99

3

1

2

B_TX0-

5

R141

10

Ω

 1/10W

BIN-

5

B_TX0-

C119

0.1uF

G

B_

_TX1+

TX0+

VSI

C115

0.1uF

R139

10

Ω

 1/10W

R110

33

Ω

 1/10W

D102
BAV99

3

1

2

D107
MLL5232B 5.6V

1

2

SCL_DVI

R137

10

Ω

 1/10W

C105

0.1uF

R125

100

Ω

 1/10W

r406

120

Ω

1

2

C118

0.1uF

+5V

R117 10K

Ω

 1/10W

C117

0.1uF

R133

100

Ω

 1/10W

C109 0.001uF

G_TX1-

5

R140

10

Ω

 1/10W

D108
MLL5232B 5.6V

1

2

R_TX2-

5

SDA_VGA

BAV70

R_TX2+

5

R131

4.7K

Ω

 1/10W

U501

M24C02-WMN6TP

1

2
3
4

5

6

7

8

NC/NC/NC/E0/E0

NC/NC/E1/E1/E1

NC/E2/E2/E2/E2

VSS

SDA

SCL

WC

VCC

D109
BAV99

3

1

2

TXCLK+

DDC_SW

R121

100

Ω

 1/10W

BIN+

5

T2153-1-X-X-1-061212

<Rev Code>

Main board

A3

4

11

Wednesday , December 13, 2006

Title

Size

Document Number

Rev

Date:

Sheet

of

VGA_SCL

DDCSCL

HSI

R_TX2-

G

DVI_CLK

R112

75

Ω

 1/10W

SDA_DVI

VS_RGB

5

C103

0.1uF

DVI5V

DDC_SW 5

VGA_SCL

R132

4.7K

Ω

 1/10W

+5V

D103
BAV99

3

1

2

C102

0.1uF

C110 0.047uF

DDC BUG SOLUTION

WP_DDC

RIN+

5

DVI_CAB

SCL_VGA 7

R114

75

Ω

 1/10W

D106
MLL5232B 5.6V

1

2

HPD_CTL 5

VGA_SDA

R120

100

Ω

 1/10W

SCL_DVI 5,7

DVI_+5V

R138

10

Ω

 1/10W

VGA_SDA

D112
BAV99

3

1

2

D105
MLL5232B 5.6V

1

2

R136

10

Ω

 1/10W

HS_RGB

+5V

DVI_CAB 7

R106

100

Ω

 1/10W

R105

100

Ω

 1/10W

R103 10K

Ω

 1/10W

DVI_+5V

B

DDCSDA

R107

100

Ω

 1/10W

D111
BAV99

3

1

2

C116

0.1uF

VS_RGB

C121

0.1uF

R

DVI_DAT

D115

BAV99

3

1

2

R109

33

Ω

 1/10W

Q103
PMBS3904

C108 0.047uF

R126 2.2K

Ω

 1/10W

D113

BAV99

3

1

2

GIN+

5

R119

10K

Ω

 1/10W

DVI5V

R407

100

Ω

 1/10W

C112

0.1uF

TXCLK+

5

B-

R_TX2+

DDCSDA

DVI5V

R116 75

Ω

 1/10W

R104

100

Ω

 1/10W

G_TX1+

5

+5V

R113

75

Ω

 1/10W

D101

BAV70

3

1

2

D114

BAV99

3

1

2

C104

0.1uF

R123 2.2K

Ω

 1/10W

C107 0.047uF

R108

33

Ω

 1/10W

SDA_VGA 7

VGA/DVI DDC select
1 VGA
0 DVI

DVI_CLK

DVI_+5V

U502

M24C02-WMN6TP

1
2

3
4

5

6

7

8

NC/NC/NC/E0/E0

NC/NC/E1/E1/E1

NC/E2/E2/E2/E2

VSS

SDA

SCL

WC

VCC

R115 75

Ω

 1/10W

U402

74HC4052D

12

14
15
11

1
5

2
4

6

10
9

13

3

16

7

X0

X1
X2

X3

Y0

Y1
Y2
Y3

EN

A

B

X

Y

VDD

VEE

R135

10

Ω

 1/10W

RIN-

5

R128 0

Ω

 1/10W

+5V

2,8

SDA_DVI 5,7

DVI5V

G_TX1-

R134

10

Ω

 1/10W

DDCSCL

R130

470

Ω

 1/10W

SCL_VGA

Q102

PMBS3904

R-

R118 75

Ω

 1/10W C113 0.047uF

HS_RGB 5

 

22 

Summary of Contents for M19W531

Page 1: ...2 Control Button 7 2 3 Connector 6 2 4 Adjusting the Picture 7 3 Input Output Specification 11 3 1 Input Signal Connector 11 3 2 Factory Preset Display Modes 12 3 3 Panel Specification 13 4 Block Diag...

Page 2: ...19 LCD Color Monitor AOC M19W531 2 Revision List Revision Date Revision History TPV Model A00 Dec 21 2006 Initial release V196HXNSW9AENP A01 Mar 19 2007 Add TPV MODEL in item 12 V196HXNSW9AXNP...

Page 3: ...haracteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or i...

Page 4: ...C PAL AV RCA x 1 S VIDEO S Videox 1 Video Input Component YPbPr x 1 Audio L R x 1 Speaker built in Two 3 watt speakers Audio output Audio output L R Headphone Mini jack for stereo 3 5 OSD Language Eng...

Page 5: ...set a time period after which the TV should switch itself to standby Press the key repeatedly to select the number of minutes The counter runs from 15 30 45 60 minutes POWER Press to turn on off the T...

Page 6: ...Mode Power Key Press to turn on or off the TV Auto Adjust Key The Auto Adjustment function is used to set the HPos VPos Clock and Focus in VGA Mode Source Key Press to select your input source Light...

Page 7: ...NTSC PAL S VIDEO S VHS i e video Y C component Receive the HD Y C component signal Y Pb Pr The modes it supports are HD signals such as 480i 480p 576i 576p 720p 1080 i TV Receive the TV signals of NT...

Page 8: ...Function Setup and TV Setup can be selected Sound Setup Same as in DVI VGA TV Video S Video and Components modes 1 Bass Treble Balance The range can be adjusted from 0 100 2 Sound mode you can set it...

Page 9: ...uto Adjust Automatically adjust VGA input to the optimal screen size When the input source is in TV Video S Video YPbPr mode you can select Contrast Brightness Hue Saturation Sharpness Size Color Temp...

Page 10: ...dby Select the number of minutes The counter runs from15 30 45 60 minutes 2 Smart sensor Turn on this function the system can auto detect light of environment be to change brightness 3 PIP WINDOWS Whe...

Page 11: ...rching is complete it stays at the first channel with signal and all channels that have been located are stored If you would like to stop Auto Scan during the process simply by pressing the function b...

Page 12: ...8 TX0 3 Shield TX2 TX4 11 Shield TX1 TX3 19 Shield TX0 TX5 4 Not connected 12 Not connected 20 Not connected 5 Not connected 13 Not connected 21 Not connected 6 DDC Serial Clock 14 5V power 22 Shield...

Page 13: ...70Hz 1328x806 56 476 N 70 069 N 75 000 XGA 1024x768 75Hz 1312x800 60 023 P 75 029 P 78 750 1280x1024 60Hz 1688x1066 63 981 P 60 020 P 108 000 SXGA 1280x1024 75Hz 1688x1066 79 976 P 75 025 P 135 000 W...

Page 14: ...stal display LCD that uses amorphous silicon TFT as a switching device This model is composed of a TFT LCD panel the voltage reference common voltage DC DC converter column and row driver circuit This...

Page 15: ...19 LCD Color Monitor AOC M19W53 15 3 3 2 Optical Characteristics...

Page 16: ...19 LCD Color Monitor AOC M19W53 16 3 3 3 Parameter guide line for CCFL Inverter TFT LCD Module Back Light Unit...

Page 17: ...19 LCD Color Monitor AOC M19W53 17 4 Block Diagram 4 1 Software Flow Chat 1 Y 2 3 N 4 N 5 Y 6 N 7 8 Y 9 N 10 11 Y N N 12 13 Y Y N 14 16 15 Y 17 N 18 19 Y...

Page 18: ...he LED and set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interru...

Page 19: ..._DVI VDDP WP_DDC HWRESET TUNER_12V MSCL 5 SDA_VGA Pb AVDD_PLL2 DDC_SW ON_PBACK MCU5V 5V VD_PWR ALE SWITCH AD 0 3 MSDA 3 3 AU_PWR R_TX2 02 Power 02 Power VDDC VDDP VDDM AVDD_PLL2 AVDD_PLL AVDD_MPLL AVD...

Page 20: ...d Lamp EMI filter Feedback Circuit Start Circuit R903 R904 Output Circuit PWM Control IC Bridge Rectifier and Filter Transformer Transformer Over Voltage Protect PWM Control IC MOSFET Q203 Q204 PWM Re...

Page 21: ...4 5 6 7 8 9 10 11 12 C315 NC 2 5V C307 0 1uF 5V Q130 NC C313 NC C336 0 1uF 12V 12V AVDD_DVI AVDD_PLL2 R354 1K 1 10W C101 0 1uF Q101 PMBS3904 R101 10K 1 10W C350 10uF Panel_Power 5 AVDD_MPLL C386 0 1uF...

Page 22: ...4 11 Wednesday December 13 2006 Title Size Document Number Rev Date Sheet of VGA_SCL DDCSCL HSI R_TX2 G DVI_CLK R112 75 1 10W SDA_DVI VS_RGB 5 C103 0 1uF DVI5V DDC_SW 5 VGA_SCL R132 4 7K 1 10W 5V D10...

Page 23: ...2006 Title Size Document Number Rev Date Sheet of U406 PI5V330Q 2 5 11 14 3 6 10 13 8 16 15 1 4 7 9 12 A1 A2 A3 A4 B1 B2 B3 B4 GND VCC OE A B Y1 Y2 Y3 Y4 1 8V_AD 1 8V_AD D131 1N4148W 1 8V_D S_CHR VD6...

Page 24: ...AVDD_ADC GND HSYNC0 VSYNC0 RMID REFP REFM VDDC GND GPO 5 GPO 4 VI_CK VCTRL VDDC GND GND VDDP HWRESET INT ALE RDZ WRZ DBUS 0 DBUS 1 DBUS 2 DBUS 3 GPO 3 GPO 2 GPO 1 VDDC GND NC MDATA 31 MDATA 30 MDATA...

Page 25: ...MADR5 MDATA2 MDATA24 MDATA20 CAS CKE MDATA3 MDATA28 WE MCLK 5 MADR0 MDATA14 MDATA22 3 3V_MC U301 EM636165TS 6G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33...

Page 26: ...WP R199 10K 1 10W SCA_PWR RD R157 4 7K 1 10W R198 10K 1 10W VD_PWR 2 DVI_CAB 3 C148 100pF D120 MLL5232B 5 6V 1 2 WP_DDC 3 KEY_UP RESET KEY_DOWN D141 NC R196 NC IR_DATA ON_PBACK 2 R191 NC R180 4 7K 1...

Page 27: ...2uF C398 100uF 25V C170 1uF 25V C178 0 1uF C177 0 1uF MIC 7 C172 1uF 25V R219 4 7K 1 10W R214 30K 1 10W TV_AUDIO R AUDIO2_R C160 0 1uF U601 NJW1142M PF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19...

Page 28: ...1 10W R372 4 7K 1 10W A_L 8 LOUT C192 22uF 16V L116 300 OHM 1 2 A_R 8 C185 0 001uF CN107 CONN 2 4 6 8 1 3 5 7 AU_12V 2 8 ROUT A PHONE_R C189 0 1uF R246 NC C198 2 2uF ROUT LOUT POWER OFF POP SOLUTION...

Page 29: ...19 LCD Color Monitor AOC M19W531 5 2 Power Board 29...

Page 30: ...19 LCD Color Monitor AOC M19W531 30...

Page 31: ...19 LCD Color Monitor AOC M19W531 31...

Page 32: ...O LEDY KEY_UP LEDY SW105 SW MCU5V KEY_MENU LED101 LED 3 4 1 2 SW104 SW T1988 1 X X 1 061212 1 1 A 2 2 Tuesday December 12 2006 Title Size Document Number Rev Date Sheet of R101 1K 1 10W LEDG KEY_SOURC...

Page 33: ...REF1 SC1_OUT_R SC1_OUT_L NC AHVSUP CAPL_M AHVSS AGNDC NC NC NC NC NC ASG SC2_IN_L SC2_IN_R ASG SC1_IN_L SC1_IN_R VREFTOP MON_IN AVSS AVSUP ANA_IN1 ANA_IN NC TESTEN XTAL_IN XTAL_OUT TP NC NC NC D_CTR_I...

Page 34: ...19 LCD Color Monitor AOC M19W531 34 6 PCB Layout 6 1 Main Board...

Page 35: ...19 LCD Color Monitor AOC M19W531 35...

Page 36: ...19 LCD Color Monitor AOC M19W531 36...

Page 37: ...19 LCD Color Monitor AOC M19W531 37 6 2 Power Board...

Page 38: ...19 LCD Color Monitor AOC M19W531 38 6 3 Key Board 6 4 Tuner Board...

Page 39: ...M19W531 39 7 Maintainability 7 1 Equipments and Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Serv...

Page 40: ...ed CN101 pin5 6 12V Measured CN101 pin 9 10 5V U404 pin 4 17 2 5V pin 86 100 3 3 It will be OK Check Power switch is in Power on status and check if Power switch had been stuck Green OK Keyboard no st...

Page 41: ...Q122 NG Check Q122 if OK CHECK Q121 NG Check the signal of Q122 is high voltage OK U401 Data Output NG OK OK Check MST51512 U401 Signal output Is the waveform ok Replace MST51512 U401 or replace Main...

Page 42: ...pin9 12V pin9 12v voltage of C905 Check U201 PIN 10 7 have the output of saw tooth wave at short time Change U201 NG OK Check D201 D202 has the output of square wave at short time OK Check Q205 Q207 Q...

Page 43: ...7 2 3 Keypad Board OSD is unstable or not working Connect Key Pad Board Is Key Pad Board connecting normally N Y Replace Button Switch Is Button Switch normally N Y Replace Key Pad Board Is Key Pad B...

Page 44: ...tory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE of color 1 on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 u...

Page 45: ...on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color 3 on factory window until chroma 7120 indicator reachedthe value G 100 6 Adjust the BLUE of color 3 o...

Page 46: ...C S ER A PH O N E PC B M AI N FR AM E FO R REAR C O VER BEZEL M 1G 1040 8 128 1PC S FO R H I N G E STAN D Q 1G 340 10 128 3PC S 9 FO R HI N G E R EAR C O VER 3PC S I nver t er PC B M 1G 1740 10 128 M...

Page 47: ...095T 900600 HARNESS 095T8014 5 54 WIRE HARNESS 095T8014 8 52 WIRE HARNESS 095T8014 10 43 WIRE HARNESS 095T8014 12 61 WIRE HARNESS 095T8018 30127 LVDS CABLE 098TR7GW3CCACT REMOTE CONTROL YKF106 041 0M1...

Page 48: ...5M1022E3 1000PF M 250VAC Y2 C919 065G306M4722BP 4700PF 20 400VAC C904 067G 30515114H 150UF 400V HERMEI C920 067G215C102 4H 1000UF 25V LZ HER MEI C912 067G215C102 4H 1000UF 25V LZ HER MEI C911 067G215C...

Page 49: ...W R928 061G0805102 CHIP 1KOHM 1 10W R930 061G0805152 RST CHIPR 1 5 KOHM 5 1 8W R929 061G0805153 RST CHIPR 15KOHM 5 1 8W R931 061G0805154 RST CHIPR 150KOHM 5 1 8W R915 061G0805240 2F RST CHIPR 24 KOHM...

Page 50: ...3G 39S 8 T RLZ11B LLDS ZD901 093G 39S 12 T RLZ20B LLDS ADPC1260AAIP LCD ADAPTER ASS Y FOR AI T901 006G 31502 1 5MM RIVET IC904 056G 158 4 T H431BA IC904 056G 158 10 T IC AZ431AZ AE1 TO 92 BY AAC R924...

Page 51: ...T 372 1 GP HEAT SINK X102 093T 22 45 H CRYSTAL 24MHZ 30PF 49US X101 093T 22 53 H CRYSTAL 14 318180MHZ HC 49US 32PF X104 093T 22 53 H CRYSTAL 14 318180MHZ HC 49US 32PF Q85T 583133 GASKET U602 Q90T0059...

Page 52: ...330 8 RST CHIP AR 8P4R 33 OHM 5 1 16W R400 061T0603000 CHIP 0OHM 1 16W R385 061T0603000 CHIP 0OHM 1 16W R365 061T0603000 CHIP 0OHM 1 16W R263 061T0603000 CHIP 0OHM 1 16W R259 061T0603000 CHIP 0OHM 1 1...

Page 53: ...061T0603101 CHIP 100OHM 1 16W R276 061T0603101 CHIP 100OHM 1 16W R278 061T0603101 CHIP 100OHM 1 16W R388 061T0603101 CHIP 100OHM 1 16W R104 061T0603101 CHIP 100OHM 1 16W R105 061T0603101 CHIP 100OHM...

Page 54: ...CHIP 10KOHM 1 16W R373 061T0603103 CHIP 10KOHM 1 16W R396 061T0603103 CHIP 10KOHM 1 16W R399 061T0603103 CHIP 10KOHM 1 16W R247 061T0603104 CHIP 100K OHM 1 16W R327 061T0603203 CHIPR 20K OHM 5 1 10W...

Page 55: ...1 16W R372 061T0603472 CHIP 4 7KOHM 1 16W R162 061T0603472 CHIP 4 7KOHM 1 16W R161 061T0603472 CHIP 4 7KOHM 1 16W R160 061T0603472 CHIP 4 7KOHM 1 16W R157 061T0603472 CHIP 4 7KOHM 1 16W R156 061T0603...

Page 56: ...065T0603102 32 CHIP 1000PF 50V X7R C299 065T0603102 32 CHIP 1000PF 50V X7R C300 065T0603102 32 CHIP 1000PF 50V X7R C302 065T0603102 32 CHIP 1000PF 50V X7R C308 065T0603102 32 CHIP 1000PF 50V X7R C372...

Page 57: ...2 CHIP 0 1UF 50V X7R C351 065T0603104 32 CHIP 0 1UF 50V X7R C353 065T0603104 32 CHIP 0 1UF 50V X7R C354 065T0603104 32 CHIP 0 1UF 50V X7R C355 065T0603104 32 CHIP 0 1UF 50V X7R C356 065T0603104 32 CHI...

Page 58: ...2 CHIP 0 1UF 50V X7R C103 065T0603104 32 CHIP 0 1UF 50V X7R C104 065T0603104 32 CHIP 0 1UF 50V X7R C155 065T0603104 32 CHIP 0 1UF 50V X7R C156 065T0603104 32 CHIP 0 1UF 50V X7R C157 065T0603104 32 CHI...

Page 59: ...Z 25V Y5V C259 065T0603334 27 MLCC 0603 CAP 0 33UF Z 25V Y5V C260 065T0603334 27 MLCC 0603 CAP 0 33UF Z 25V Y5V C388 065T0603334 27 MLCC 0603 CAP 0 33UF Z 25V Y5V C389 065T0603334 27 MLCC 0603 CAP 0...

Page 60: ...6 15 MLCC 1206 CAP 10UF K 16V X5R C338 065T1206106 15 MLCC 1206 CAP 10UF K 16V X5R C350 065T1206106 15 MLCC 1206 CAP 10UF K 16V X5R C352 065T1206106 15 MLCC 1206 CAP 10UF K 16V X5R C359 065T1206106 15...

Page 61: ...DIODE MLL5232B FULL POWER D121 093T 39149 ZENER DIODE MLL5232B FULL POWER D122 093T 39149 ZENER DIODE MLL5232B FULL POWER D123 093T 39149 ZENER DIODE MLL5232B FULL POWER D124 093T 39149 ZENER DIODE M...

Page 62: ...20 16V C102 067G215V221 4H 220UF C101 067G215V221 4H 220UF C102 067G215V221 4K EC 220F 25V C101 067G215V221 4K EC 220F 25V C223 067T215C151 4K 150UF 25V C201 067T215C151 4K 150UF 25V L101 071T 55 28...

Page 63: ...3123 RST CHIPR 12 KOHM 5 1 10W R239 061T0603123 RST CHIPR 12 KOHM 5 1 10W R221 061T0603153 RST CHIPR 15 KOHM 5 1 10W R220 061T0603153 RST CHIPR 15 KOHM 5 1 10W R211 061T0603153 RST CHIPR 15 KOHM 5 1 1...

Page 64: ...1 31 CHIP 330PF 50V NPO D210 093T 6432S IN4148W D209 093T 6432S IN4148W D208 093T 6432S IN4148W D207 093T 6432S IN4148W D206 093T 6432S IN4148W D205 093T 6432S IN4148W D203 093T 39S 3 T BZT52 C11 D204...

Page 65: ...E RJ101 095T 90 23 JUMP WIRE J229 095T 90 23 JUMP WIRE J223 095T 90 23 JUMP WIRE J222 095T 90 23 JUMP WIRE J221 095T 90 23 JUMP WIRE J220 095T 90 23 JUMP WIRE J219 095T 90 23 JUMP WIRE J218 095T 90 23...

Page 66: ...MYLAR Q85T0009 2 MAIN SHIELD Q85T0010 3 S USB SHIELD TUPF6QACP TUNER BOARD CN101 033T8027 10 WAFER 10P 2 0MM DIP 040T 45762412B CBPC LABEL R109 061T152M270 64 27 OHM 5 2W R110 061T152M330 64 33 OHM 5...

Page 67: ...65T0603104 32 CHIP 0 1UF 50V X7R C101 065T0603152 32 CHIP 1500PF 50V X7R C112 065T0603152 32 CHIP 1500PF 50V X7R C137 065T0603152 32 CHIP 1500PF 50V X7R C136 065T0603221 32 CHIP 220PF 50V X7R C106 065...

Page 68: ...LENS 040G 45762412B CBPC LABEL 052G6025 11631 MYLAR C920 067G215C1024HV EC 105 CAP 1000UF M 25V C912 067G215C1024HV EC 105 CAP 1000UF M 25V C911 067G215C1024HV EC 105 CAP 1000UF M 25V LED1 081G 2 3 1...

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