Service manual

17" LCD Color Monitor AOC 177Pk
33
White screen
White screen
X301 oscillate
waveform is normal
Check Q101, Q102, Q103 are
broken or CN504 solder?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U402
OK
OK
OK
Replace X301
OK
NG
NG
NG
NG
Check reset circuit of
U402 is normal
Measure Q102 base
is high level?
Replace U401
Replace U401
OK
NG