LG M2794D - Component Video Trouble Shooting

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4. Component Video Trouble Shooting
Check inpu t signal for mat
Is it supported?
Check signal
C124, C126, C129
Check R10 7, R109, R112,
C124, C126, C129
Y
N
Check J K602
Replace JK602 or Che ck Divice
Y
N
Y
IC101 has problem
Y
Check Compo nent Cab le
Wave form of C124
Wave form of C126
Wave form of C129
Wave form of Comp Y
Wave form of Comp Pb
Wave form of Comp Pr