22” LCD Color Monitor Topview
36
No Picture (LED orange)
No picture
The button if under
control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Check C704(+) =1.8V
U701Vout =3.3V
Check Correspondent
component
Replace U401
Check X401 oscillate
waveform is normal
Check CN701 or replace U701
and C704
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Check HS/VS from
CN101 is normal
Replace X401
Check Correspondent
component
NG
NG
OK
OK
Содержание A2281Wd+
Страница 13: ...22 LCD Color Monitor Topview A2281Wd 13 4 3 2 Optical Characteristics Optical Specifications ...
Страница 14: ...22 LCD Color Monitor Topview A2281Wd 14 ...
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 ...
Страница 29: ...22 LCD Color Monitor Topview A2281Wd 29 ...
Страница 30: ...22 LCD Color Monitor Topview A2281Wd 30 7 2 Power Board 715G2824 2 ...
Страница 31: ...22 LCD Color Monitor Topview A2281Wd 31 ...
Страница 32: ...22 LCD Color Monitor Topview A2281Wd 32 ...
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 ...