AOC 172V Service Manual Download Page 18

17" LCD Color Monitor

                           

                                                                                                                                AOC 172V             

18 

BB1N

GA1N

CN102

IL-FHR-B50S-HF (JAE)

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

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31

32

33

34
35

36

37

38

39

40

41

42

43

44

45
46

47

48

49

50

GPO0

GB2P

GA2P

PA10

3.3V

RP1

BR2N

B2P

BB2N

RA3P

RA1N

PA3

PA[0..7]

4

RA2P

VLCD

2

LVDS Panel

RA2P

PA2

FG0N

CN7

RB3N

PB[6..11]

BG1P

CLKAP

FCLKN

X

VLCD

RXE1+

PA7

GPOO3

FB1N

CN101

CONN

2
4

6

8

10

12

14

16

18

20

22
24

1
3

5

7

9

11

13

15

17

19

21
23

0R

NC

GB2P

RB3P

RXOC+

FB1P

B1P

GB2N

LVB0P

PA17

R102

NC/0

GPO1

LVACKP

PA8

LVB1P

RXO1-

PB[12..23]

4

VLCD

RB3N

PB14

PB[0..5]

4

Innolux 17"

PB3

LVA2M

PA6

PA4

0R

PB0

PA[8..13]

BB3P

BA3P

GA2P

R103

NC

CPT 15

GPO4

RXO0+

FR1N

LVA1M

PA12

BG0N

LVB2M

PA6

LVA0M

INNOLUX 15

V

RXEC+

LVA2M

R97

RB2N

RB2P

RXE3-

LVA3M

C106

NC

PA15

PA13

0R

RA3N

BA2P

PB20

GA1P

R109

NC

PB12

BA1P

GPOO4

GPO[0..4]

4

0R

CLKAN

CLKAP

FB0N

VLCD 2

NC

NC

PB2

RXE0-

RXO0-

CPT 17

BG2P

BCLKP

RXEC-

BA2P

C103

NC

NC

R89

LVB3P

RA1P

C102

NC

CN103

IL-FHR-B30S-HF (JAE)

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

BB3N

GA3N

R110

NC

LVBCKP

FB2P

GPOO1

0R

NC

NC

RB1P

RB2P

PA5

R88

BG2N

LP

3.3V

NC

NC

R91

B0N

0R

PA[0..7]

X

LVB3P

PA12

3.3V

PB8

PB9

PB13

PB18

GPOO0

LVA0P

RXO3-

PB23

PA[0..7]

4

0R

BA1N

FR1P

C107

NC

NC

12V

RA2N

CLKBN

R108

NC

NC

PB7

PA[14..19]

4

R90

V

B1N

BR1P

BB3P

STV2

FB2N

NC

PA18

LVB3M

FG0P

NC

GB2N

RXO2+

RXOC-

GPOO2

PA1

LVB1M

RA1P

GA2N

RB1N

LVB3M

0R

R92

V

GA3P

BB2P

NC

STV1

QDI 17

B0P

PA11

BA3N

STH

GB3P

LVA3P

LVB1P

FB0P

0R

NC

LVA0M

GA3N

VLCD_12V

GPOO0

12V

R95

X

PB1

PA16

PA9

PA19

FG1P

NC

GB1N

GB3P

LVACKM

BA1N

BR0N

NC

X

PANEL INTERFACE

A

B

1

5

Monday, May 09, 2005

Title

Size

Document Number

Rev

Date:

Sheet

of

RXO1+

CLKBN

PB17

LVB0M

LVA1P

RA3N

PA3

FG1N

GPOO4

GA3P

5V

CN8

PB21

C105

NC

LVA3P

B2N

RP101

NC

1

2
3

4

5

6

7

8

PA14

PB18

0R

BB3N

BB1N

X

GPO[0..4]

PB[12..23]

NC

R93

PB16

NC

0R

0R

GB3N

PB14 CLKBP

LVA0P

BB2P

LVB2P

RXE2-

LVA2P

GA1N

PA13

PA0

PA5

PB19

GA2N

5V

PB10

LVB0M

RXO2-

LVA1M

C101

NC

NC

GPOO3

NC

LVA1P

RA1N

LVA3M

VLCD_12V

2

RSDS Panel

V

RB2N

BB1P

BR0P

FCLKP

FG2N

3.3V

LVB2M

PB19

PA7

BA1P

0R

BG0P

LVB1M

PB20

V

GPO2

PB4

LVACKP

PB12

PB[12..23]

4

NC

GPO3

PB[0..5]

RA2N

FR2P

0R

0R

FR2N

FR0N

3.3V

RXO3+

PB22

BG1N

PB13

ESP

PB6

RB3P

BR1N

POL

NC

5V

OSP

RXE1-

PB21

X

LVA2P

LVBCKM

12V

3.3V

3.3V

LVACKM

GPOO2

HannStar 15

LG 15

RXE3+

BA2N

R101

NC/0

3.3V

Table 1

RB1P

R105

NC

3.3V

V

BR2P

GB1P

GB1N

BB2N

C104

NC

PA[8..13]

4

12V

NC

PB11

BB2N

LVB2P

FR0P

R96

PB5

OSP

4

AU 17

PA2

BB1P

FG2P

Table 1

X

GB1P

RXE2+

LVBCKM

BA3P

BCLKN

PA[0..7]

PB15

GPOO1

GB3N

LVBCKP

PB[12..23]

ESP

4

0R

V

TSUM16AK

LVB0P

CLKAN

BA3N

X

RB1N

PA4

BA2N

RA3P

GA1P

3.3V

0R

CN9

V

PB15

OE

R107

NC

R106

NC

RXE0+

CLKBP

CLKV

R104

NC

PB[6..11]

4

NC

R94

NC

 

Summary of Contents for 172V

Page 1: ...rol Button 5 3 3 Adjusting the Picture 5 4 Input Output Specification 7 4 1 Input Signal Connector 7 4 2 Factory Preset Display Modes 7 5 Panel Specification 8 5 1 Display Characteristics 8 5 2 Optica...

Page 2: ...17 LCD Color Monitor AOC 172V 2 Revision List Revision Date Revision History TPV Model A00 Mar 03 2008 Initial release T78SM5NCARSPNNE...

Page 3: ...ck 135MHz typ Max Resolution 1280 x 1024 75Hz Plug Play VESA DDC2BTM ON Mode 47W Power Consumption OFF Mode 2W Input Connector D Sub 15pin Analog 0 7Vp p standard Input Video Signal 75 OHM Positive Ho...

Page 4: ...ogic brightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage HOST Computer AC IN 100V 240V PWPC bo...

Page 5: ...l light up 3 2 Control Buttons 1 Power Button Power Indicator 2 MENU ENTER 3 Contrast 4 Brightness 5 Auto Config Exit 3 3 Adjusting the Picture 1 Press the MENU button to activate the OSD window 2 Pre...

Page 6: ...B N A Recall sRGB from EEPROM User Red Red Gain from Digital register User Green Green Gain Digital register Color Temp User Blue Blue Gain from Digital register Yes N A Auto Adjust the H V Position F...

Page 7: ...10 11 15 4 2 Factory Preset Display Modes STANDARD RESOLUTION HORIZONTAL FREQUENCY kHz VERTICAL FREQUENCY Hz Dos mode 640 350 31 47kHz 70Hz Dos mode 720 400 31 47kHz 70Hz VGA 640 480 31 47kHz 60Hz 640...

Page 8: ...17 LCD Color Monitor AOC 172V 8 5 Panel Specification 5 1 Display Characteristics 5 2 Optical Characteristics...

Page 9: ...17 LCD Color Monitor AOC 172V 9 5 3 Parameter guide line for CCFL Inverter 1 TFT LCD Module 2 Back Light Unit...

Page 10: ...17 LCD Color Monitor AOC 172V 10 6 Block Diagram 6 1 Software Flow Chat 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18...

Page 11: ...e 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 interrup...

Page 12: ...6 2 Electric Block Diagram 6 2 1 Main Board FLASH MEMORY PM25LV512A U402 Scalar TSUM16AK Include MCU ADC OSD etc U401 EEPROM 24C02 U404 H sync V sync RGB DB12_SDA DB15_SCL LCD Interface CN101 EEPROM 2...

Page 13: ...fier and Filter Start Circuit R905 R906 R907 R908 R909 R910 PWM Control IC Transformer Over Voltage Protect Rectifier diode AC input 5V 12V ON OFF Control PWM Control IC Feedback Circuit OSC and Outpu...

Page 14: ...9 PB 0 5 PB 6 11 GPO 0 4 OSP VLCD_12V PB 12 23 TSUM16AK PA 0 7 3V3 PA 8 13 VCC1 8 PA 14 19 PB 6 11 B4 4 SCALER RIN GIN SOG BIN GNDR GNDG GNDB HSYNC VSYNC Adj_BACKLIGHT VCC1 8 Vcc3 3 VCTRL PA 0 7 PA 8...

Page 15: ...4K7 D C 5V R703 2K 1 16W 4 7K C716 0 1uF 5V R710 NC on_Panel 4 R31 C708 1uF R716 NC Q701 PMBS3904 R31 GND 5V 3 4 5V GND H3 TP 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 C719 NC 10uF 16V VCC1 8 4 VLCD C718 0...

Page 16: ...16W R443 100 1 16W C433 0 047uF DET_VGA 4 SOG 4 B 4 R460 10K 1 16W R467 10 1 16W R436 56 1 16W GNDR 4 DDCD_SCL 4 ESD_5V VSYNC 4 CN406 JACK DVI 1 2 3 4 5 6 7 8 25 28 9 10 11 12 13 14 15 16 26 29 17 18...

Page 17: ...PA 8 13 5 CLK 3 G 3 GIN 3 BIN 3 KEY_A CN404 CONN 2 4 6 8 10 12 14 1 3 5 7 9 11 13 C409 0 1uF U403 AT24C16N 10SC 2 7 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC CLK 3 VCC3 3 PA0 PA16 PA5 R406 10K 1 16W...

Page 18: ...FR1P C107 NC NC 12V RA2N CLKBN R108 NC NC PB7 PA 14 19 4 R90 V B1N BR1P BB3P STV2 FB2N NC PA18 LVB3M FG0P NC GB2N RXO2 RXOC GPOO2 PA1 LVB1M RA1P GA2N RB1N LVB3M 0R R92 V GA3P BB2P NC STV1 QDI 17 B0P...

Page 19: ...17 LCD Color Monitor AOC 172V 19 7 2 Power Board...

Page 20: ...17 LCD Color Monitor AOC 172V 20...

Page 21: ...17 LCD Color Monitor AOC 172V 21 8 PCB Layout 8 1 Main Board...

Page 22: ...17 LCD Color Monitor AOC 172V 22...

Page 23: ...17 LCD Color Monitor AOC 172V 23...

Page 24: ...17 LCD Color Monitor AOC 172V 24 8 2 Power Board...

Page 25: ...17 LCD Color Monitor AOC 172V 25...

Page 26: ...17 LCD Color Monitor AOC 172V 26...

Page 27: ...17 LCD Color Monitor AOC 172V 27 8 3 Key Board...

Page 28: ...C 172V 28 9 Maintainability 9 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 Servi...

Page 29: ...and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U702 PIN2 3 3V Reinsert or check the power section X401 oscillate waveforms are normal Measure CN70...

Page 30: ...ure OK OK NG NG Measure U401 PIN28 3 3V Replace U401 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the s...

Page 31: ...ltage of C905 Check bridge rectified circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R906 R907 and Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller t...

Page 32: ...2V NG OK Change Q201 or Q202 NG OK Change U201 Check D201 D202 have the output of square wave at short time NG OK Check Q205 Q206 Q207 Q208 NG Check the output of PT201 PT202 Check Q209 Q210 Q211 Q212...

Page 33: ...OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N Y C...

Page 34: ...ch the MEM Channel to Channel 3 with up or down arrow on chroma 7120 3 The LCD indicator on chroma 7120 will show x 296 20 y 311 20 Y 180 cd m2 4 Adjust the RED of color1 on factory window until chrom...

Page 35: ...17 LCD Color Monitor AOC 172V 35 11 Monitor Exploded View...

Page 36: ...6177 KGA1L LOGO COVER H40G 17N61514C 172V ID label H41G170061512B 172V MANUAL H44G3749615 7C CARTON H45G 87 1 2H R PE BAG FOR MONITOR Q45G 76 28 H A PE BAG FOR MANUAL Q52G6020 68 AOC PROTECT FILM CN70...

Page 37: ...00 OHM 5 R488 61G0603101 RST CHIPR 100 OHM 5 R704 61G0603101 RST CHIPR 100 OHM 5 R446 61G0603102 RST CHIPR 1KOHM 5 1 R447 61G0603102 RST CHIPR 1KOHM 5 1 R476 61G0603102 RST CHIPR 1KOHM 5 1 R477 61G060...

Page 38: ...2 CHIP 0 1UF 50V X7R C410 65G0603104 32 CHIP 0 1UF 50V X7R C411 65G0603104 32 CHIP 0 1UF 50V X7R C412 65G0603104 32 CHIP 0 1UF 50V X7R C413 65G0603104 32 CHIP 0 1UF 50V X7R C414 65G0603104 32 CHIP 0 1...

Page 39: ...6ST D411 93G 39147SEM ZMM5V6ST D412 93G 39147SEM ZMM5V6ST D407 93G 64 42 P BAV70 SOT 23 D702 93G 6432P LL4148 D403 93G 6433P BAV99 D404 93G 6433P BAV99 D405 93G 6433P BAV99 D401 93G 39S 45 T RLZ36B BY...

Page 40: ...8 KBP208G CN102 95G8021 12529 HARNESS H1 J85G8113 1 SHIELD IC901 56G 379 53 LD7552BN Q209 57G 761501 BTC5706I3 Q210 57G 761501 BTC5706I3 Q211 57G 761501 BTC5706I3 Q212 57G 761501 BTC5706I3 705G 780 57...

Page 41: ...805105 27 CHIP 1UF Y5V 0805 C209 65G0805105 27 CHIP 1UF Y5V 0805 C210 65G0805105 27 CHIP 1UF Y5V 0805 C211 65G0805105 27 CHIP 1UF Y5V 0805 C212 65G0805105 27 CHIP 1UF Y5V 0805 C219 65G0805105 27 CHIP...

Page 42: ...4 R238 61G172S12352T RST CFR 12KOHM 5 1 4 R239 61G172S12352T RST CFR 12KOHM 5 1 4 R210 61G172S15352T RST CFR 15KOHM 5 1 4 R211 61G172S15352T RST CFR 15KOHM 5 1 4 R220 61G172S15352T RST CFR 15KOHM 5 1...

Page 43: ...5G517K102 5T69 21 1000PF 10 500V Y5P C921 65G517K102 5T69 21 1000PF 10 500V Y5P C907 67G 2152207NT ELCAP 22UF 20 50V 10 C207 67G 305479 7T ELCAP 4 7UF 20 50V 1 90G6064 1 HEAT SINK D912 93G 60217 FMB29...

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