LG M227WDP - AV Video Trouble Shooting

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Only for training and service purposes
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6. AV Video Trouble Shooting
Check inpu t signal for mat
Is it supported?
Check signal RGB
R116, R113, R114
C137, C134, C135
Replace R1 16, R113, R114
C137, C134, C135
Y
N
Check signal R611(AV_CVBS),
R625, R626(S_Video)
Replace R6 11, R625, R626
Y
N
Y
IC101 has problem
Check AV Ca ble / S-Video Cable f or
damage or open conn ector
Y
Wave form of R626(S-video)
Wave form of R611(CVBS)
Wave form of R625(S-video)