LG Flatron L222WS - Troubleshooting Guide; No Power Troubleshooting

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TROUBLESHOOTING GUIDE
No Power
(Power Indicator Off)
Please reinsert and
make sure the AC of
100-240 is normal
Measure U702
PIN2=1.8V U701
PIN2=3.3V
Check the Adapter/Inverter
section
Check CN401 or replace
U702, U701
NO
NO
YES
YES
1. NO POWER
Check X201 oscillate
waveforms are normal
Replace U401
Replace X201
NO
YES
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