LG 42LG30 - Page 20

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Only for training and service purposes
LGE Internal Use Only
AV Video
Check input signal format
Is it supported?
Check signal
C635 (Composite), C634 / C633 (S-Video)
(Rear)
R615 (Composite) (Side)
Check other set.
If no problem, check signal line.
Y
N
Check JK600 (Rear)
Check JK602 (Side)
Replace Jack
Y
N
Check AV Cable / S-Video Cable for
damage or open conductors
Y
Replace Mstar(IC100)
Y
Check Mstar LVDS output
N