Av Video Trouble Shooting - LG M227WDP Service Manual

Check inpu t signal for mat
Is it supported?
Check AV Ca ble / S-Video Cable f or
damage or ope n conn ector
Check signal R611(AV_CVBS),
R625, R626(S_Video)
Check signal RGB
R116, R113, R114
C137, C134, C135
IC101 has problem
Wave form of R611(CVBS)
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Only for training and service purposes

6. AV Video Trouble Shooting

Y
Y
Y
Y
Wave form of R625(S-video)
N
Replace R6 11, R625, R626
N
Replace R1 16, R113, R114
C137, C134, C135
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Wave form of R626(S-video)
LGE Internal Use Only