AOC E941SA, E941VA, E941SERIES service manual DVI-input/DDC

Page 18

Service Manual

DVI-input/DDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R127

 

 

DVI_CABLE_DET 5

 

 

 

 

 

 

 

 

 

 

 

 

 

100R 1/16W 5%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN102

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSYNC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

DET_DVI

 

 

 

 

 

 

 

 

 

 

 

DVI5V

 

 

SYNC GND

 

 

 

 

 

 

 

 

 

 

 

 

 

6

SCL_DVI

 

 

 

 

 

 

R128

100R 1/16W 5%

 

 

 

 

DDC SCL

 

 

 

 

 

 

 

 

 

 

7

SDA_DVI

 

 

 

 

 

 

R129

100R 1/16W 5%

 

 

 

 

DDC SDA

 

 

 

 

 

 

 

 

 

 

14

DVI5V

 

 

 

 

 

 

 

 

 

 

 

R130

10K 1/16W 5%

 

 

+5V

 

 

 

 

 

 

 

 

 

 

 

 

 

16

HPD

 

 

 

 

 

 

 

 

 

 

 

 

Q101

 

 

HPD

 

U104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

11

 

1

 

 

6

 

 

ESD_DVI

 

 

 

 

DVI_HPD 5

1/3shield

 

CH1 CH4

 

 

 

 

 

 

 

3

 

2

5

 

 

ESD_DVI

 

 

 

ZD102

 

2/4shield

 

VN

VP

 

 

 

 

 

 

 

19

 

3

4

 

 

 

 

 

 

 

C115

 

 

0/5shield

 

CH2 CH3

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

C117

 

 

RLZ5.6B 100NF 25V

 

 

clk shield

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AOZ8902CIL

 

 

100NF 25V

 

 

 

 

 

 

 

 

18

DAT0+

 

 

 

 

 

 

R134

10R 1/16W 5%

 

 

 

 

 

 

 

 

 

 

 

RX0+ 5

DAT0+

 

 

 

 

 

 

 

 

 

 

 

17

DAT0-

 

 

 

 

 

 

 

 

 

 

 

R135

10R 1/16W 5%

DAT0-

 

 

 

 

 

 

 

 

 

 

 

RX0- 5

10

DAT1+

 

 

 

 

 

 

 

 

 

 

 

R136

10R 1/16W 5%

DAT1+

 

 

 

 

 

 

 

 

 

 

 

RX1+ 5

9

DAT1-

 

 

 

 

 

 

 

 

 

 

 

R137

10R 1/16W 5%

DAT1-

 

 

 

 

 

 

 

 

 

 

 

RX1- 5

2

DAT2+

 

 

 

 

 

 

 

 

 

 

 

R138

10R 1/16W 5%

DAT2+

 

 

 

 

 

 

 

 

 

 

 

RX2+ 5

1

DAT2-

 

 

 

 

 

 

 

 

 

 

 

R139

10R 1/16W 5%

DAT2-

 

 

 

 

 

 

 

 

 

 

 

RX2- 5

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT3+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT3-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT4+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT4-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT5+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAT5-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

DCLK+

 

 

 

 

 

 

 

 

 

 

 

R140

10R 1/16W 5%

RXC+ 5

 

clk+

 

 

 

 

 

 

 

 

 

 

 

GND GND GND GND

24

DCLK-

 

 

 

 

 

 

 

 

 

 

 

R141

10R 1/16W 5%

clk-

 

 

 

 

 

 

 

 

 

 

 

RXC- 5

 

 

 

 

 

U106

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U107

 

 

 

 

 

 

JACK

 

 

 

 

1

 

CH1 CH4

6

ESD_DVI

 

 

 

 

 

 

28 27 26 25

 

 

 

 

2

 

5

1

CH1 CH4

6

 

ESD_DVI

 

 

 

 

 

 

 

VN

VP

 

 

 

 

 

 

 

 

3

 

4

2

5

 

 

 

 

 

 

 

 

 

 

CH2 CH3

VN

VP

 

 

 

 

 

 

 

 

 

 

 

 

3

4

 

 

 

 

 

 

 

 

 

 

AOZ8902CIL

 

CH2 CH3

 

 

 

 

 

 

 

 

 

 

C118

 

 

 

 

 

 

 

 

 

 

 

 

 

100NF 25V

AOZ8902CIL

 

C119

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100NF 25V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AOCe941Series

 

 

 

+5V

 

DVI5V

 

 

3,5,7

+5V

2

 

1

 

5%

5%

 

5%

 

D102

ESD_DVI

1/16W

1/16W

 

1/16W

 

BAV70

 

3

ESD_DVI

 

4K7

4K7

 

22K

 

 

U105

C116

 

 

 

 

 

 

 

 

 

 

AT24C02BN-SH-T

R131

R132

R133

8

VCC

A0

1

220N16V

6

3

 

WP

A1

 

 

 

 

7

 

 

2

 

 

 

 

5

SCL

A2

4

 

 

 

 

SDA VSS

 

 

 

 

 

 

 

DDCSCL2 5

DDCSDA2 5

DDC_WP

EDID_WP 3,5

 

T P V ( Top Victory Electronics Co . , Ltd. )

OEM MODEL

OTS

 

Size

B

絬 隔 瓜 絪 腹

G3737-M0D-000-0H4K-10-100125

TPV MODEL

DUAL

 

Rev

D

 

 

 

 

 

 

Key Component

DVI

PCB NAME

715G3737-M0D

称爹

<称爹>

 

 

 

 

 

Date

Monday , January 25, 2010

Sheet

4 of

7

 

 

18

Page 17 Page 19
Image 18
Page 17 Page 19
Contents LCD 显示器维修手册 AOC e941VA /e941SA /e941SRevision List Contents TTL LCD SpecificationsProduct Features USB HUBSxga Factory preset modesXGA WxgaOperation instruction Control ButtonsDCR OSD User mode adjustment OSD Lock FunctionInterface description VGA 15pin ConnectorDVI Connector +5VDCUSB+ Audio in port Panel Feature General Specifications Electrical Absolute RatingsElectrical Characteristics AOCe941Series LED Connector Optical SpecificationsBlock Diagram LCD Block DiagramMainBoard Block Diagram 1e941VA---715G3737 IC-PWM MOS 2e941SA---715G3225EMI SETSoftware Flow Chart Software Flow ChartCircuit Schematic Main Board 1---715G3737-M01Detvga DVI-input/DDC Power part---5V/3.3V/1.8V Scarlar---Flash/key Output---LVDS connector Main Board 2---715G3225-1-2 Bladj BlonR101 TO252 AOCe941Series VSC Power Board 715G2892-P02---adapter 12V/5VConverter Board----715G3918-P02 Audio part 715G2892 P02 PhonejackKey Board 715G4007-K01 Explore Views AOCe941Series AOCe941Series PCB Layout MainBoard 1- 715G3737-M01AOCe941series Main Board 2---715G3225-1-2 AOCe941series PowerBoard 715G2892-P02 KeyBoard ---715G4007 Check flow chart For the no power Maintenance Trouble treatmentTrouble Shooting Main Board---No Power Maintainability RequirementCheck flow chart For the no signalCheck flow chart No Backlight of panel Key Board---OSD no working Writing DDC program step AOCe941series AOCe941series BOM List Model：e941VA--T995NTNBWVK2PNJChoke by LI TA Screw AD91603YY1SMTJ Power Board for SMTChoke Coil AC SocketRST Chipr 1KOHM +-1% 1/10W Yageo IC FAN6752MY SOP-8RST Chipr MAX 0R05 1/10W Fenghua RST Chipr 10KOHM +-1% 1/10W YageoIC AS431AZTR-E1 TO-92 AD91603YY1AIJ Power Board for AIEyelet TRA KTD1028 KECLNPCA9361XYY1J Convertor Board Jumper WireRectifier Diode FR107 PIN Header 2.54MM 2PRST Chip 100K 1/10W 5% Tzai Yuan RST Chip 1K 1/10W 5% Tzai YuanRST Chipr 10K OHM +-5% 1/10W Fenghua RST Chipr 1 OHM +-5% 1/10W YageoWafer Connector 9PConn 6PIN RST Mofr 4.7 OHM +-5% 2WS FutabaRST Chipr 100 OHM +-5% 1/16W Fenghua RST Chipr 10 OHM +-5% 1/16W FenghuaRST Chip 10R 1/16W 5% Tzai Yuan RST Chip 100R 1/16W 5% Tzai YuanRST Chipr 10KOHM +-5% 1/16W Fenghua RST Chipr 1KOHM +-5% 1/16W FenghuaRST Chip 1K 1/16W 5% Tzai Yuan RST Chip 10K 1/16W 5% Tzai YuanRST Chip 470R 1/16W 5% Tzai Yuan Tzai YuanRST Chipr 470 OHM 5% 1/16W Fenghua RST Chipr 4.7KOHM +-5% 1/16W FenghuaAOCe941series CAP Chip 4U7 10V X7R Chip BeadRLZ5.6B Dome Switch 5 PCS SMTKEPCAJA9Diode LBAV70LT1G SOT-23 LRC RLZ 5.6B LldsModel：e941SA--T995NSNCWVA1UNJ Screw M3X6 CBPC9NWA1QHJRST Chipr 15KOHM +-1% 1/10W Yageo RST Chipr 1KOHM +-1% 1/8W YageoCN901 006G R906 061G152M10452T XZ RST Chipr SUB 15PIN Vertical Conn with Screw SUB 15PINSOC Subd H 15P F SMTC9NWA1QHJ Main Board for SMTRST Chipr 0 OHM +-5% 1/16W Yageo RST Chip 330R 1/16W 5% Fenghua RST Chipr 1KOHM +-5% 1/16W YageoRST Chipr 10KOHM +-5% 1/16W Yageo RST Chip 390R 1/16W 5% FenghuaRST Chipr 75 OHM +-5% 1/16W Fenghua RST Chipr 56KOHM 1/16W FenghuaRST Chipr 56KOHM 1/16W Tzai Yuan RST Chipr 75OHM +-5% 1/16W YageoAOCe941series OHM Bead X7RX5R BAV70 SOT23 by PAN JITJ44G9909101 Eps J44G9909201 J44G9909615 4A Model：e941S-- T9A2NS2DWVA4QNE PC123Y22FZOF Sharp ADA1603HD1SMT Power Board for SMT LNPCA9401XHD1Main BOARD-CBPCANSA1H1 SMTCA-U402 AC Socket ST-01CP-BCE-RRST Chipr MAX ADA1603HD1AI Power Board for AIRST Chipr 10 Kohm +-1% 1/10W Fenghua RST Chipr 1MOHM +-5% 1/4W Tzai YuanNO-SUGGEST RST Chipr 1KOHM +-5% 1/16W YA NO-SUGGEST RST Chipr MAX 0R05 OHM 1/16WNO-SUGGEST RST Chipr 100 OHM +-5% 1/16W NO-SUGGEST RST Chipr 10KOHM +-5% 1/16W YNO-SUGGEST RST Chipr 330 OHM +-5% 1/16W NO-SUGGEST RST Chipr 75OHM +-5% 1/16W YALED GPTD1210YGC3-HB Chip Bead 120OHM 6A MGLB2012-120T-LFMain Board PCB KEY Board PCBRST Chip 1R 1/10W 5% Tzai Yuan Adapter Board PCBAC/DC Converter TA9690GN-A1-0-TR SOP-24 RST Chip 120K 1/10W 5% Tzai YuanCAP Chip Schottky B3100B 3A 100V SMBConverter Board PCB
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