USB+ Audio in port | AOC E941VA, E941SA guide

Service Manual	AOCe941Series
3.3 USB+ Audio in port
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*This section to e941VA do show that other models will be a slight trade-off.

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AOC E941VA, E941SA service manual USB+ Audio in port

Contents

AOC e941VA /e941SA /e941S LCD 显示器维修手册 Revision List Contents Product Features LCD SpecificationsTTL USB HUB XGA Factory preset modesSxga Wxga Operation instruction Control ButtonsDCR OSD Lock Function OSD User mode adjustment DVI Connector VGA 15pin ConnectorInterface description +5VDC USB+ Audio in port Panel Feature General Specifications Electrical Absolute RatingsElectrical Characteristics AOCe941Series Optical Specifications LED Connector Block Diagram LCD Block DiagramMainBoard Block Diagram 1e941VA---715G3737 EMI 2e941SA---715G3225IC-PWM MOS SET Software Flow Chart Software Flow Chart Main Board 1---715G3737-M01 Circuit Schematic Detvga DVI-input/DDC Power part---5V/3.3V/1.8V Scarlar---Flash/key Output---LVDS connector Bladj Blon Main Board 2---715G3225-1-2 R101 TO252 AOCe941Series VSC 715G2892-P02---adapter 12V/5V Power Board Converter Board----715G3918-P02 Phonejack Audio part 715G2892 P02 Key Board 715G4007-K01 Explore Views AOCe941Series AOCe941Series MainBoard 1- 715G3737-M01 PCB Layout AOCe941series Main Board 2---715G3225-1-2 AOCe941series PowerBoard 715G2892-P02 KeyBoard ---715G4007 Trouble Shooting Main Board---No Power Maintenance Trouble treatmentCheck flow chart For the no power Maintainability Requirement For the no signal Check flow chart Check flow chart No Backlight of panel Key Board---OSD no working Writing DDC program step AOCe941series AOCe941series Model：e941VA--T995NTNBWVK2PNJ BOM List Choke Coil Screw AD91603YY1SMTJ Power Board for SMTChoke by LI TA AC Socket RST Chipr MAX 0R05 1/10W Fenghua IC FAN6752MY SOP-8RST Chipr 1KOHM +-1% 1/10W Yageo RST Chipr 10KOHM +-1% 1/10W Yageo Eyelet AD91603YY1AIJ Power Board for AIIC AS431AZTR-E1 TO-92 TRA KTD1028 KEC Rectifier Diode FR107 Jumper WireLNPCA9361XYY1J Convertor Board PIN Header 2.54MM 2P RST Chipr 10K OHM +-5% 1/10W Fenghua RST Chip 1K 1/10W 5% Tzai YuanRST Chip 100K 1/10W 5% Tzai Yuan RST Chipr 1 OHM +-5% 1/10W Yageo Conn 6PIN Connector 9PWafer RST Mofr 4.7 OHM +-5% 2WS Futaba RST Chip 10R 1/16W 5% Tzai Yuan RST Chipr 10 OHM +-5% 1/16W FenghuaRST Chipr 100 OHM +-5% 1/16W Fenghua RST Chip 100R 1/16W 5% Tzai Yuan RST Chip 1K 1/16W 5% Tzai Yuan RST Chipr 1KOHM +-5% 1/16W FenghuaRST Chipr 10KOHM +-5% 1/16W Fenghua RST Chip 10K 1/16W 5% Tzai Yuan RST Chipr 470 OHM 5% 1/16W Fenghua Tzai YuanRST Chip 470R 1/16W 5% Tzai Yuan RST Chipr 4.7KOHM +-5% 1/16W Fenghua AOCe941series Chip Bead CAP Chip 4U7 10V X7R Diode LBAV70LT1G SOT-23 LRC Dome Switch 5 PCS SMTKEPCAJA9RLZ5.6B RLZ 5.6B Llds Model：e941SA--T995NSNCWVA1UNJ CBPC9NWA1QHJ Screw M3X6 RST Chipr 1KOHM +-1% 1/8W Yageo RST Chipr 15KOHM +-1% 1/10W Yageo CN901 006G R906 061G152M10452T XZ RST Chipr SOC Subd H 15P F SUB 15PINSUB 15PIN Vertical Conn with Screw SMTC9NWA1QHJ Main Board for SMT RST Chipr 0 OHM +-5% 1/16W Yageo RST Chipr 10KOHM +-5% 1/16W Yageo RST Chipr 1KOHM +-5% 1/16W YageoRST Chip 330R 1/16W 5% Fenghua RST Chip 390R 1/16W 5% Fenghua RST Chipr 56KOHM 1/16W Tzai Yuan RST Chipr 56KOHM 1/16W FenghuaRST Chipr 75 OHM +-5% 1/16W Fenghua RST Chipr 75OHM +-5% 1/16W Yageo AOCe941series X5R X7ROHM Bead BAV70 SOT23 by PAN JIT J44G9909101 Eps J44G9909201 J44G9909615 4A Model：e941S-- T9A2NS2DWVA4QNE Main BOARD-CBPCANSA1H1 SMTCA-U402 ADA1603HD1SMT Power Board for SMT LNPCA9401XHD1PC123Y22FZOF Sharp AC Socket ST-01CP-BCE-R RST Chipr 10 Kohm +-1% 1/10W Fenghua ADA1603HD1AI Power Board for AIRST Chipr MAX RST Chipr 1MOHM +-5% 1/4W Tzai Yuan NO-SUGGEST RST Chipr 100 OHM +-5% 1/16W NO-SUGGEST RST Chipr MAX 0R05 OHM 1/16WNO-SUGGEST RST Chipr 1KOHM +-5% 1/16W YA NO-SUGGEST RST Chipr 10KOHM +-5% 1/16W Y NO-SUGGEST RST Chipr 75OHM +-5% 1/16W YA NO-SUGGEST RST Chipr 330 OHM +-5% 1/16W Main Board PCB Chip Bead 120OHM 6A MGLB2012-120T-LFLED GPTD1210YGC3-HB KEY Board PCB AC/DC Converter TA9690GN-A1-0-TR SOP-24 Adapter Board PCBRST Chip 1R 1/10W 5% Tzai Yuan RST Chip 120K 1/10W 5% Tzai Yuan CAP Chip Schottky B3100B 3A 100V SMBConverter Board PCB