Asus VH236H - White Screen Troubleshooting

Service Manual ASUS VH236H&VH232H
75
(3). White screen
White screen
Check Q103 and Q102 are
broken or
C
N
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 Q103 base
is low level?