LG 42LG30 - Component Video

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Only for training and service purposes
LGE Internal Use Only
Component Video
Check input signal format
Is it supported?
Check signal
C1708, C1709, C1710
C1711, C1712, C1713
Replace it.
Check signal IC903 output
R990, R991, R993
Y
N
Check JK900 / JK901
Replace Jack
Y
N
Y
Replace IC903
N
Y
Check Component Cable
Check Mstar LVDS output
Replace Mstar(IC100)
N
Y