Service manual

17" LCD Color Monitor AOC 177Pk
32
No picture (LED orange)
No picture
The button if
under control
Measure U101 PIN2=3V
X301 oscillate
waveform is normal
Check U101
OK
OK
OK
NG
Check HS/VS from
CN702 is normal
Replace X301
Check Correspondent
component
NG
NG
Replace U402
Replace U401
OK
OK
NG
Replace U402