LG Electronics 29LN45**-Z* TROUBLE SHOOTING

- 15 - LGE Internal Use OnlyCopyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
TROUBLE SHOOTING
1. No Power
Check C820 All
Voltage Level (19V)
Check Power connector
OK ? Replace Adapter
N N
Check IC802 output
Voltage Level (12V)
Replace IC802 &
Recheck
N
Check IC809 Output
Voltage Level (3.3V_ST) Replace IC809
N
Y
Check IC800 Output
Voltage Level (5V) Replace IC800
N
Y
Y
Y
Y
Check IC810 Output
Voltage Level (2.5V) Replace IC810
N
Check IC806 Output
Voltage Level (1.15V) Replace IC806
N
Y
Check X201 Clock
24MHz Replace X201
N
Replace IC100 Flash Memory
Y
Y
Check IC807 Output
Voltage Level (1.5V) Replace IC807
N