Trouble Shooting - LG 22LB4510 Service Manual

1. No Power
Check C500
Voltage Level (19V)
Y
Check IC501 Output
Voltage Level (3.3V)
Y
Check IC502 Output
Voltage Level (1.15V)
Y
Check IC503 Output
Voltage Level (5V)
Y
Check X300 Clock
24MHz
Y
Replace IC405 Flash
Memory
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TROUBLE SHOOTING

N
Check Power connector
OK ?
N
Replace IC501 &
Recheck
N
Replace IC502 &
Recheck
N
Replace IC503 &
Recheck
N
Replace X300
Y
Replace Adapter
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LGE Internal Use Only