LG 32BL95U - Troubleshooting Guide; No Power Troubleshooting

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Only for training and service purposes
TROUBLE SHOOTING GUIDE
1. No Power
Replace X100
N
Check C701
Voltage Level (19V)
Check Power connector
OK?
Replace Adapter
Y
N Y
Check IC703 Output
Voltage Level (3.3V)
Replace IC703 &
Recheck
Y
N
Check X100 Clock
27MHz
Check IC701, 702 Output
Voltage Level (5V)
Replace IC701, 702 &
Recheck
N
Y
Replace IC107 Flash
Memory
Y
Y
Check IC705 Output
Voltage Level (2.5V, 1.2V)
Replace IC705 &
Recheck
N