Read LG 50PH6710-TD (CHASSIS:PA32B) Service Manual online
5. AV/Component Video Trouble Shooting
Check Signal Format
Is it supported signal?
Is it supported signal?
Y
Check Component Cable
Check AV/Component JK3608
N
Y
p
Replace Jack
Y
Check Component Signal and
resistance
R3609/R3612/R1618
resistance
R3609/R3612/R1618
N
Y
Replace one of
R3609/R3612/R1618 & Recheck
R3609/R3612/R1618 & Recheck
Y
Check Component Signal
C372/C373/C374
C372/C373/C374
N
Replace it
Y
M
b LGE2122 (IC105)
Maybe LGE2122 (IC105)
has problems
has problems
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