Service manual

21.5" LCD Color Monitor AOC e2236Vwa
46
No Picture
No picture
OK
OK
NG
NG
Measure U701 Vout=3.3V,
U703 Vout=1.8V
Replace
CN701,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 cab
le
Replace U401
NG
OK