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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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Only for training and service purposes
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
- 12 -
LGE Internal Use Only
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