LG FLATRON E2350V - Troubleshooting Common Issues; No Power Troubleshooting

TROUBLESHOOTING GUIDE
1. NO POWER
NO POWER
(POWER INDICATOR OFF)
CHECK IC500
NO
NO
CHECK ADAPTER.
CHECK IC602 PIN5(5V)
NO
CHECK IC602 PIN2(5V)
YES
YES
YES
CHECK IC602 VOLTAGE
PIN1 (12V)?
CHECK P600 PIN1(5V)?
CHECK IC601
PIN1(3.3V),PIN3(1.2V)
1
2
13
14
Waveforms
1
IC602-#1
2 IC601-
#1
3
IC601-#3
4
X500-#127
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Only for training and service purposes
LGE Internal Use Only
NO
CHECK CRYSTAL(X500)
YES
CHECK Q800
PIN3