AOC E936SWA - Trouble Shooting

18.5" LCD Color Monitor AOC e936Swa
45
9.2 Trouble Shooting
9.2.1 Main Board
No Power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure C423(+)=1.8V,
U404 Vout=3.3V
Reinsert or check the
power section
X401 oscillate waveforms are
normal
Check U404, CN404
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
No power