AOC E941va Service Manual
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Page 41
Service Manual AOCe941series 41 No picture (LED orange) Whitescreen Check flow chart for the no signal No picture Check signal wire Check U404 Vout=3.3V; Q409-out=1.8V Replace signal wire check X401 waveform replaceU404,Q409,Q410,Q405 &around device replace X401 Check CN101-RGB/HS/VS Check U402/U403 out Check Correspondent component OK NG NG NG NG OK OK OK Replace U401 Updata soft data OK NG Check...
Page 42
Service Manual AOCe941series 42 Check flow chart For the no power Check CN901 100-240V? Check rectified voltage-C907 Check AC supply checkFuseF901/ rectified device L902/BD901/C901/C902 Check voltage of IC901-8pin checkcomponent R904/R932 Check T901(1-3)out-Vcc Check D901/R909/C903 Check IC901-drive out Check MOS-Q901pin(G/D) Check/replace IC901 Check R910/R938/Q901/T901pri Around component Check T901sub...
Page 43
Service Manual AOCe941series 43 No Backlight of panel Check flow chart for the Inverter No Backlight After Power off,check C801/C802?Q824? Check ON/OFFsignal Check voltage of F801-12V? Open F801, voltage-12V Return check Power Check main board After Power off,check Q805/Q808/R804/C825 Check IC801-6pin RT waveform? Check aroud component Re place IC801 Check IC801-out9/10pin-? Check Q802 waveform? Check T801...
Page 44
Service Manual AOCe941series 44 Key Board---OSD no working 9.3 Factory mode adjustment After replacing the Main board and the Panel, Check for enter the Factory mode ,then re-writing DDC is necessary. Ste p: Press MENU button and hold,reinsert the Power cord , then ,press MENU , the monitor will may enter Factory OSD Menu. Then Press . Factory OSD Menu will appear in the screen. Check flow chart For...
Page 45
Service Manual AOCe941series 45 By select this “F” button to enter Factory OSD Menu. 9.4 Writing DDC program step After replacing the Main board and the Panel, Check if white-balance is within the specs ,then re-writing DDC is necessary. 1. Prepared the PC with Windows XP system, DDC recording device (12V)for figure below 2. Connect the DDC recording device and the PC through PC parallel port 3. setup...
Page 48
Service Manual AOCe941series 48 10.BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. 10.1 Model:e941VA--T995NTNBWVK2PNJ Location Part number Description Remark 040G 581 26704 SHIPPING LABEL 2nd source 040G 581689 4A BARCODE LABEL FOR 1 3 052G 1211 A Conductive Tape...
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Service Manual AOCe941series 49 C903 065G305M1022BP Y2 1000PF M 250VAC Y5P 1 C902 065G305M1022BP Y2 1000PF M 250VAC Y5P 1 C900 065G306M3322BP 3300PF 20% 1 C918 067G215A1024KV EC 1000uF 25V 12.5*20mm 2nd source C918 067G215A1024LV LOW ESR EC 1000uF 25V M 12.5*20mm 1 C925 067G215D4714KV E.C 105℃ CAP 470UF M 25V ED SERIES 2nd source C925 067G215D4714LV LOW ESR EC 470uF 25V M 10*16mm 1 C921...
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Service Manual AOCe941series 50 IC901 056G 379160 IC FAN6752MY SOP-8 1 R610 061G0603000 JF RST CHIPR MAX 0R05 1/10W FENGHUA 1 R907 061G06031001FY RST CHIPR 1KOHM +-1% 1/10W YAGEO 1 R918 061G06031002FY RST CHIPR 10KOHM +-1% 1/10W YAGEO 1 R602 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN 1 R603 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN 1 R604 061G0603103 JT RST CHIP 10K 1/10W 5% TZAI YUAN 1 R605...