AOC E941VA, E941SERIES, E941SA Interface description, VGA 15pin Connector, DVI Connector, +5VDC

Page 8

Service Manual

AOCe941Series

3.Interface description

3.1VGA 15pin Connector

Pin No.

Description

Pin No.

 

Description

 

 

 

 

 

 

 

 

1.

Red Input

9.

 

 

+5VDC

 

 

 

 

 

 

 

 

2.

Green Input

10.

 

 

Logic GND

 

 

 

 

 

 

 

 

3.

Blue Input

11.

 

 

N/A

 

 

 

 

 

 

 

 

4.

N/A

12.

 

SDA- DDC-Serial Data

 

 

 

 

 

 

 

 

5.

Connection detect

13.

 

 

H Sync

 

 

 

 

 

 

 

 

6.

Red GND

14.

 

 

V Sync

 

 

 

 

 

 

 

 

7.

Green GND

15.

 

SCL- DDC-Serial Clock

 

 

 

 

 

 

 

 

8.

Blue GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VGA Connector layout

1

5

6 10

11 15

3.2 DVI Connector

Pin No.

Description

Pin No.

Description

 

 

 

 

1.

TMDS Data 2-

13.

TMDS Data 3+

 

 

 

 

2.

TMDS Data 2+

14.

+5V Power

 

 

 

 

3.

TMDS Data 2/4 Shied

15.

Ground (for +5V)

 

 

 

 

4.

TMDS Data 4-

16.

Hot Plug Detect

 

 

 

 

5.

TMDS Data 4+

17.

TMDS Data 0+

 

 

 

 

6.

DDC Clock

18.

TMDS Data 0-

 

 

 

 

7.

DDC Data

19.

TMDS Data 0/5 Shield

 

 

 

 

8.

N.C.

20.

TMDS Data 5-

 

 

 

 

9.

TMDS Data 1-

21.

TMDS Data 5+

 

 

 

 

10.

TMDS Data 1+

22.

TMDS Clock Shield

 

 

 

 

11.

TMDS Data 1/3 Shield

23.

TMDS Clock+

 

 

 

 

12.

TMDS Data 3-

24.

TMDS Clock-

 

 

 

 

DVI Connector layout

8

Image 8
Contents LCD 显示器维修手册 AOC e941VA /e941SA /e941SRevision List Contents LCD Specifications Product FeaturesTTL USB HUBFactory preset modes XGASxga WxgaDCR Operation instructionControl Buttons OSD User mode adjustment OSD Lock FunctionVGA 15pin Connector DVI ConnectorInterface description +5VDCUSB+ Audio in port Electrical Characteristics Panel FeatureGeneral Specifications Electrical Absolute Ratings AOCe941Series LED Connector Optical SpecificationsMainBoard Block Diagram 1e941VA---715G3737 Block DiagramLCD Block Diagram 2e941SA---715G3225 EMIIC-PWM MOS 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 Maintenance Trouble treatment Trouble Shooting Main Board---No PowerCheck flow chart For the 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--T995NTNBWVK2PNJScrew AD91603YY1SMTJ Power Board for SMT Choke CoilChoke by LI TA AC SocketIC FAN6752MY SOP-8 RST Chipr MAX 0R05 1/10W FenghuaRST Chipr 1KOHM +-1% 1/10W Yageo RST Chipr 10KOHM +-1% 1/10W YageoAD91603YY1AIJ Power Board for AI EyeletIC AS431AZTR-E1 TO-92 TRA KTD1028 KECJumper Wire Rectifier Diode FR107LNPCA9361XYY1J Convertor Board PIN Header 2.54MM 2PRST Chip 1K 1/10W 5% Tzai Yuan RST Chipr 10K OHM +-5% 1/10W FenghuaRST Chip 100K 1/10W 5% Tzai Yuan RST Chipr 1 OHM +-5% 1/10W YageoConnector 9P Conn 6PINWafer RST Mofr 4.7 OHM +-5% 2WS FutabaRST Chipr 10 OHM +-5% 1/16W Fenghua RST Chip 10R 1/16W 5% Tzai YuanRST Chipr 100 OHM +-5% 1/16W Fenghua RST Chip 100R 1/16W 5% Tzai YuanRST Chipr 1KOHM +-5% 1/16W Fenghua RST Chip 1K 1/16W 5% Tzai YuanRST Chipr 10KOHM +-5% 1/16W Fenghua RST Chip 10K 1/16W 5% Tzai YuanTzai Yuan RST Chipr 470 OHM 5% 1/16W FenghuaRST Chip 470R 1/16W 5% Tzai Yuan RST Chipr 4.7KOHM +-5% 1/16W FenghuaAOCe941series CAP Chip 4U7 10V X7R Chip BeadDome Switch 5 PCS SMTKEPCAJA9 Diode LBAV70LT1G SOT-23 LRCRLZ5.6B 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 SOC Subd H 15P FSUB 15PIN Vertical Conn with Screw SMTC9NWA1QHJ Main Board for SMTRST Chipr 0 OHM +-5% 1/16W Yageo RST Chipr 1KOHM +-5% 1/16W Yageo RST Chipr 10KOHM +-5% 1/16W YageoRST Chip 330R 1/16W 5% Fenghua RST Chip 390R 1/16W 5% FenghuaRST Chipr 56KOHM 1/16W Fenghua RST Chipr 56KOHM 1/16W Tzai YuanRST Chipr 75 OHM +-5% 1/16W Fenghua RST Chipr 75OHM +-5% 1/16W YageoAOCe941series X7R X5ROHM Bead BAV70 SOT23 by PAN JITJ44G9909101 Eps J44G9909201 J44G9909615 4A Model:e941S-- T9A2NS2DWVA4QNE ADA1603HD1SMT Power Board for SMT LNPCA9401XHD1 Main BOARD-CBPCANSA1H1 SMTCA-U402PC123Y22FZOF Sharp AC Socket ST-01CP-BCE-RADA1603HD1AI Power Board for AI RST Chipr 10 Kohm +-1% 1/10W FenghuaRST Chipr MAX RST Chipr 1MOHM +-5% 1/4W Tzai YuanNO-SUGGEST RST Chipr MAX 0R05 OHM 1/16W NO-SUGGEST RST Chipr 100 OHM +-5% 1/16WNO-SUGGEST RST Chipr 1KOHM +-5% 1/16W YA 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 YAChip Bead 120OHM 6A MGLB2012-120T-LF Main Board PCBLED GPTD1210YGC3-HB KEY Board PCBAdapter Board PCB AC/DC Converter TA9690GN-A1-0-TR SOP-24RST Chip 1R 1/10W 5% Tzai Yuan RST Chip 120K 1/10W 5% Tzai YuanConverter Board PCB CAP ChipSchottky B3100B 3A 100V SMB
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