LG 49UF6700 - Component Video No Signal

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LGE Internal Use Only
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Only for training and service purposes
5. Component Video No signal
Check input signal format. Is it supported?
OK
Check Component cable
OK
Check AV Jack CVBS signal ZD2802, ZD2804, ZD2806
Replace AV Jack JK2802
Replace IC101 or Main Board
OK
Check Component signal Y ZD2802, ZD2803, R2859, R241, C231
NG
Replace ZD2802, ZD2803, R2859, R241, C231
OK
NG
Check Component signal Pb ZD2804, ZD2805, R2800, R239, C229
NG
Replace ZD2804, ZD2805, R2800, R239, C229
OK
Check Component signal Pr ZD2806, ZD2807, R2801, R243, C233
NG
Replace ZD2806, ZD2807, R2801, R243, C233
OK