LG HB954TB Service Manual page 47

ELECTRICAL TROUBLESHOOTING GUIDE
CVBS video out
(IPOD video)
IPOD B/D
JK3P1's pin23 videio
signal OK?
YES
I/F Junction
CN3F1's pin5 OK?
YES
MAIN B/D
IC254's pin4 OK?
YES
IC250's pin6
video signal OK?
YES
IC250's pin2
video signal OK?
YES
IC253's pin8
video signal OK?
YES
JK251 check
NO
IPOD connection or
JK3P1 check
NO
16p FFC cable &
connection check
NO
26p FFC cable &
connection check
NO
IC254 check
NO
IC250's
pin1 HIGH?
IC250 check
NO
IC253 check
2-38
NO
YES
IC101 check