
Service Manual AOCe2252VW
39
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 connector
Replace Panel
White screen
Measure Q404-base
is low level?
Check Q405=5V
Or CN403
solder?
Check around
device
Check X401 waveform
Check U403/U402
Check flow chart
For the white screen
Replace X401
Check around
device
Updata soft
Replace U402/U403/U401
NG
NG
NG
NG
OK
OK
OK
OK
Содержание E2252VW
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Страница 16: ...Service Manual AOCe2252VW 16 3 7 Optical Specifications ...
Страница 29: ...Service Manual AOCe2252VW 29 6 Monitor exploded view ...
Страница 30: ...Service Manual AOCe2252VW 30 7 PCB Layout 7 1 MainBoard 715G4502 ...
Страница 31: ...Service Manual AOCe2252VW 31 ...
Страница 32: ...Service Manual AOCe2252VW 32 7 2 PowerBoard 715G4750 P0C ...
Страница 33: ...Service Manual AOCe2252VW 33 7 3 Converter Board 1 715G3977 ...
Страница 34: ...Service Manual AOCe2252VW 34 7 4 KeyBoard715G4851 ...
Страница 36: ...Service Manual AOCe2252VW 36 Disassembly SOP 按下 分离支架 Separation Stand 拆卸螺钉 4 Remove screws 后壳 Rear ...
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Страница 46: ...Service Manual AOCe2252VW 46 select setup ISP tool FTDI Confirm Change The figuer is as follows ...
Страница 47: ...Service Manual AOCe2252VW 47 3 Click Option select WP pin The figuer is as follows ...
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