Asus MW221C - 8.2.3 Troubleshooting: White Screen

22" LCD Color Monitor ASUS MW221C
37
(3). White screen
White screen
Check Q704, Q705 is broken
or CN
101
solder?
Check Correspondent
component.
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 Q705 base
is high level?