AOC 931Fwz Service Manual page 36

19" LCD Color Monitor
(3). White screen
Check Q301 and Q302 are
broken or CN301 is solder?
Check Correspondent
component.
White screen
Measure Q302 base
is low level?
OK
NG
OK
Replace Panel
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U401
36
AOC 931Fwz
NG
Replace X401
NG
Check Correspondent
component.