Trouble Shooting Guide - LG 34GL750 Service Manual

1. No Power
Check C701
Voltage Level (19V)
Y
Check IC701, 702 Output
Voltage Level (5V)
Y
Check IC703 Output
Voltage Level (3.3V)
Y
Check IC705 Output
Voltage Level (2.5V, 1.2V)
Y
Check X100 Clock
27MHz
Y
Replace IC107 Flash
Memory
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TROUBLE SHOOTING GUIDE

N
Check Power connector
OK?
N
Replace IC701, 702 &
Recheck
N
Replace IC703 &
Recheck
N
Replace IC705 &
Recheck
N
Replace X100
Y
Replace Adapter
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LGE Internal Use Only