22” LCD Color Monitor Topview
37
White Screen
White screen
Measure Q302 base
is low level?
X401 oscillate
waveform is normal
Check CN301 is solder
and U301 is OK
Check Correspondent
component.
Replace Panel
Check Correspondent
component.
Replace U401
OK
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Содержание A2281Wd+
Страница 13: ...22 LCD Color Monitor Topview A2281Wd 13 4 3 2 Optical Characteristics Optical Specifications ...
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Страница 15: ...22 LCD Color Monitor Topview A2281Wd 15 4 3 3 Electrical Characteristics TFT LCD Module ...
Страница 16: ...22 LCD Color Monitor Topview A2281Wd 16 Back Light Unit ...
Страница 28: ...22 LCD Color Monitor Topview A2281Wd 28 7 PCB Layout 7 1 Main Board 715G2883 1 6 ...
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Страница 30: ...22 LCD Color Monitor Topview A2281Wd 30 7 2 Power Board 715G2824 2 ...
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Страница 33: ...22 LCD Color Monitor Topview A2281Wd 33 7 3 Key Board 715G2836 1 ...
Страница 41: ...22 LCD Color Monitor Topview A2281Wd 41 9 Monitor Exploded View ...