LG 23MA73D-PUP - Page 16

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Only for training and service purposes
4. No Video - Component
Wave form of C218
Wave form of C220
Wave form of C222
Wave form of Comp Y
Wave form of Comp Pb
Wave form of Comp Pr
Check input signal format
Is it supported?
Check signal
R237,R239,R241
C218,C220,C222
Replace R237,R239,R241
C218,C220,C222
Y
N
Check JK2800
Replace JK2800 or
Check Device
Y
N
Y
IC101 has problem
Y
Check Component Cable