Read LG 42PJ350-SA (CHASSIS:PB02A) Service Manual online
Customer Oriented R&D
Breakthrough
7. AV Video Trouble Shooting
Y
Check Jack JK1001/JK1002
N
Y
Check CVBS Signal
C1016/C1018
N
Y
Check CVBS Signal
R187/R188/C226/C227
N
Replace one of
R187/R188/C226/C227
& Recheck
Y
Y
Replace Jack
Maybe Mstar S7(IC101)
has problems
Check Signal Format
Is it supported signal?
Check AV Cable
Replace one of
C1016/C1018
& Recheck
Click on the first or last page to see other 42PJ350-SA (CHASSIS:PB02A) service manuals if exist.