AOC E941VA, E941SERIES LCD Specifications, Product Features, Ttl, Usb Hub, Vesa DDC2B DDC/CI

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Service Manual

 

 

AOCe941Series

1. LCD Specifications

 

 

 

 

1.1 Product Features

 

 

 

 

 

 

 

 

 

 

 

Monitor

Model

AOC e941VA

/ e941SA * / e941S *

 

 

 

 

 

 

 

 

 

Driving system

TFT Color LCD

 

 

 

 

 

 

 

 

LCD Panel

Active Display Area

408.24mm (W)×255.15mm(H)

 

 

 

 

 

 

 

 

Pixel Pitch

0.2835 mm×0.2835mm

 

 

 

 

 

 

 

 

Video

R,G,B Analog Interface，75ohm,0.7V

 

 

 

 

 

 

 

 

DVI digital Interface

 

 

 

 

 

 

 

 

 

 

 

 

Input

Separate Sync.

H/V TTL

 

 

 

 

 

 

 

 

 

 

H-Frequency

30kHz—81kHz

 

 

 

 

 

 

 

 

 

 

V-Frequency

56Hz--75Hz

 

 

 

 

 

 

 

 

 

Input Connector

 

D-Sub 15pin

 

 

 

 

 

 

 

 

 

DVI 24pin

 

 

 

 

 

 

 

 

 

 

 

 

 

USB HUB

 

1 upstream, 1 downstream 2.0

 

 

 

 

 

 

 

 

Audio in

 

3.5mm

 

 

 

 

 

 

 

 

 

Display Colors

 

16.7M Colors

 

 

 

 

 

 

 

 

 

Dot Clock

 

136.75MHz

 

 

 

 

 

 

 

 

Max. Resolution

 

1440 x 900@75Hz

 

 

 

 

 

 

 

 

Plug & Play

 

VESA DDC2B

DDC/CI

 

 

 

 

 

 

 

 

 

ON Mode

<25W

 

 

 

Power Consumption

 

 

 

 

 

Power Saving Mode

<1W

 

 

 

 

Switch OFF

<0.5W

 

 

 

 

 

 

 

 

Power Source

 

90~264VAC,47~63Hz, 1.5A Max supply current

 

 

 

 

 

 

 

 

 

 

 

 

Environmental

 

Operating Temp: 0° to 40°C

 

 

 

Storage Temp.: -20° to 60°C

 

 

Considerations

 

 

 

 

Operating Humidity : 8% to 80%

 

 

 

 

 

 

Dimensions(including stand)

456.75(W)x375.5(H)x149.8 (D)mm

 

 

 

 

 

 

 

 

Weight (N. W.):

 

3.50kg

 

 

 

 

 

 

 

 

Safety

 

FCC B CE mark CCC IEC950CB etc.

 

 

 

 

 

 

 

* e941SA /e941S no DVI Interface

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Contents LCD 显示器维修手册 AOC e941VA /e941SA /e941SRevision List Contents LCD Specifications Product FeaturesTTL USB HUBFactory preset modes XGASxga WxgaControl Buttons Operation instructionDCR OSD User mode adjustment OSD Lock FunctionVGA 15pin Connector DVI ConnectorInterface description +5VDCUSB+ Audio in port General Specifications Electrical Absolute Ratings Panel FeatureElectrical Characteristics AOCe941Series LED Connector Optical SpecificationsLCD Block Diagram Block DiagramMainBoard Block Diagram 1e941VA---715G3737 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 YuanSchottky B3100B 3A 100V SMB CAP ChipConverter Board PCB
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