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1. No Power
Check C400
Voltage Level (19V)
Y
Check IC401 Output
Voltage Level (3.3V)
Y
Check IC402 Output
Voltage Level (1.15V)
Y
Check IC403 Output
Voltage Level (5V)
Y
Check X100 Clock
24MHz
Y
Replace IC100 Flash
Memory
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LG Electronics. Inc. All right reserved.
Only for training and service purposes
TROUBLE SHOOTING
N
Check Power connector
OK ?
N
Replace IC401 &
Recheck
N
Replace IC402 &
Recheck
N
Replace IC403 &
Recheck
N
Replace X100
Y
Replace Adapter
- 12 -
LGE Internal Use Only
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