LG M2762D - VCR Euro Scart Connection and CI Module Insertion

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Only for training and service purposes
LGE Internal Use Only
6. AV Video Trouble Shooting
Check input signal format
Is it supported?
Check signal
R164, R144, R155,
C121, C122, C123
Replace R164, R144, R155,
C121, C122, C123
Y
N
Check signal R771(AV_CVBS)
Replace R771
Y
N
Y
IC100 has problem
Check AV Cable for damage or
open connector
Y
Wave form of R771(CVBS)