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1. No Power
Check C851 All
Voltage Level (19V)
Y
Check IC802 Output
Voltage Level (3.3V_ST)
Y
Check IC806 output
Voltage Level (5V)
Y
Check IC801 Output
Voltage Level (12V)
Y
Check IC808 Output
Voltage Level (2.5V)
Y
Check IC803 Output
Voltage Level (1.15V)
Y
Check IC807 Output
Voltage Level (1.5V)
Y
Check IC809 Output
Voltage Level (1.23V)
Y
Check X201 Clock
24MHz
Y
Replace IC100 Flash Memory
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Only for training and service purposes
TROUBLE SHOOTING
N
Check Power connector
OK ?
N
Replace IC802
N
Replace IC806 &
Recheck
N
Replace IC801
N
Replace IC808
N
Replace IC803
N
Replace IC807
N
Replace IC809
N
Replace X201
- 13 -
N
Replace Adapter
LGE Internal Use Only
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