AOC 936Swa - Page 43

18.5" LCD Color Monitor AOC 936Swa
43
No Picture
No picture
OK
OK
NG
NG
Measure U404 Pin2=3.3V
Replace 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