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Service Manual AOC2241VG
36
No picture (LED orange)
Whitescreen
Check flow chart
for the no signal
No picture
Check signal wire
Check U701 Vout=3.3V;
U703-out=1.8V,Vlcd=5V
Replace signal wire
check X401 waveform
replaceU703,Q705,Q706,
&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 Q706-base
is low level?
Check Q705=5V
Or CN408
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 AOC2241VG
Страница 1: ...Service Manual AOC2241VG 1 LCD 显示器维修手册 Custom AOC Model AOC2241VG ...
Страница 8: ...Service Manual AOC2241VG 8 ...
Страница 9: ...Service Manual AOC2241VG 9 ...
Страница 12: ...Service Manual AOC2241VG 12 3 3 USB up down port Bottom View Top View ...
Страница 14: ...Service Manual AOC2241VG 14 b Backlight unit 4 4 Optical Specifications ...
Страница 28: ...Service Manual AOC2241VG 28 7 Explore Views ...
Страница 29: ...Service Manual AOC2241VG 29 Institutions dismantling plan ...
Страница 30: ...Service Manual AOC2241VG 30 ...
Страница 31: ...Service Manual AOC2241VG 31 8 PCB Layout 8 1 MainBoard 1 715G3737 M01 ...
Страница 32: ...Service Manual AOC2241VG 32 ...
Страница 33: ...Service Manual AOC2241VG 33 8 2 PowerBoard 715G2892 P1B ...
Страница 34: ...Service Manual AOC2241VG 34 8 3 KeyBoard 715G4007 ...
Страница 44: ...Service Manual AOC2241VG 44 ...