Service manual

21.5" LCD Color Monitor AOC e2236Vwa
49
No Picture
No picture
OK
OK
NG
NG
Measure U701 Vout=3.3V,
C704(+)=1.8V
Check U701, C704,
CN701
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