35
No picture (LED orange)
No picture
The button if under
control
X401oscillate
waveform is normal
Replace U402
Replace X401
Measure U703 PIN2=1.8V
U705 PIN2=3.3V
Check Correspondent
component
Replace U401
X402 oscillate
waveform is normal
Replace U703, U705
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U402 is normal
Check HS/VS from
CN407 is normal
Replace X402
Check Correspondent
component
NG
NG
OK
All manuals and user guides at all-guides.com
Содержание AL2051W
Страница 1: ...Acer AL2051W Service Guide All manuals and user guides at all guides com a l l g u i d e s c o m ...
Страница 22: ...b The Description For Control Function All manuals and user guides at all guides com ...
Страница 23: ...All manuals and user guides at all guides com ...
Страница 42: ...42 Exploded Diagram Model AL2051W All manuals and user guides at all guides com ...
Страница 53: ...53 Power Inverter board All manuals and user guides at all guides com ...