AOC 193P Service Manual page 35

19" LCD Color Monitor
No picture (LED orange)
No picture
The button if
under control
OK
Measure U201 PIN2=1.8V
U202 PIN2=3.3V
NG
OK
X401 oscillate
waveform is normal
OK
Check HS/VS from
CN301is normal
Replace U401
OK
Replace U401
NG
waveform is normal
Check reset circuit of
U601 is normal
Replace
U201, U202
NG
Replace X401
NG
Check Correspondent
component
X601 oscillate
OK
OK
Replace U601
35
AOC 193P
NG
Replace X601
NG
Check Correspondent
component