AOC 912Sw - White Screen Troubleshooting

19" LCD Color Monitor AOC 912Sw
31
White Screen
White screen
Measure C725 (+) =5V
Checks Q704, Q706,
are broken
Check CN101 connector or
solder normal?
Replace CN101 or
re-solder
Replace PANEL
OK
Replace Q704,
Q706
NG
NG
NG
Check X401
OK
Re
p
lace U401
Re
p
lace X401
NG
OK
OK