Service manual

21.5" LCD Color Monitor AOC e2236Vwa
45
9.2 Trouble Shooting
9.2.1 Main Board
715G3329 1 2
No Power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240V is normal
Measure U701 Vout=3.3V,
U703 Vout=1.8V
Reinsert or check the
power section
X401 oscillate waveforms are
normal
Check U701, U703,
CN701
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
No power