AOC 2236VWA

21.5" LCD Color Monitor AOC 2236Vwa
31
No Picture
No picture
OK
OK
NG
NG
Measure U701 Vout =3.3V
U703 Vout=1.8V
Replace U701,U703
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