AOC 931Fwz - Page 36

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