Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C
2008
- 32 -
Check signal format
Is it supported?
Check signal, Hsync, Vsync
C745, C746, C747, R839, R843
Replace it.
Check signal
R727, R714, R729
Y
Y
N
Check P701
Replace connector
Y
N
Y
Replace it
N
Maybe BCM3553(IC100) has
problems
Check L708 Voltage Level 9V
Y
Replace L708 / Q701 / Q702 / Q703
N
Check Signal
C635, C636, C637
Y
Replace it
N
Check RGB Cable
Y
RGB Video