LG M2762D - HDMI and DVI Connections

Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
- 17 -
TROUBLESHOOTING
Check P1101 All
Voltage Level (15V, 5V)
Check Power connector
OK ?
Replace Power board
NN
Check IC1104 output
Voltage Level (1.8V)
Replace IC1104 &
Recheck
N
Check X101 Clock
12MHz
Replace X101
N
Replace IC105 Flash
Memory
Check IC1102 Output
Voltage Level (3.3V)
Replace IC1102
N
Y
Wave form of X101
Check IC1107 output
Voltage Level (5V)
Replace IC1107 &
Recheck
N
Check IC1105 Output
Voltage Level (12V)
Replace IC1105
N
Y Y Y Y Y
1. Power- Up Boot Fail Trouble Shooting