Composite Video signal Missing
(RCA Connector)
Check Œ CVBS at
R713?
Yes
Check ´ CVBS at
4pin of U701?
Yes
Check ˇ CVBS at
36pin of U701?
Yes
Check Failure mode of J703
Samsung Electronics
No
Check Failure mode of U302
Check Failure mode of
No
Video filter(C756,L708,
C763,C773,R736,C715)
No
Check Failure mode of U701
Troubleshooting
Œ CVBS at R713
´ CVBS at 4Pin of U701
ˇ CVBS at 36Pin of U701
5-3