AOC E936SWA - Page 46

18.5" LCD Color Monitor AOC e936Swa
46
No Picture
No picture
OK
OK
NG
NG
Measure C423(+)=1.8V,
U404 Vout=3.3V
Replace CN404,U404
X401 oscillate waveforms are
normal
Replace X401
Check if the sync signal from
computer is output and video
cable is connected normally
Input the sync signal of
computer, or change
the cable
Replace U401
NG
OK