Read LG 50PH670S-ZD (CHASSIS:PD32A) Service Manual online
15. OPTIC Audio Out Trouble Shooting
Ch k Si
l (JK3606 #3 i )
Check SPDIF signal (R3662)
Replace LGE2122 (MTK Main
IC, IC105)
IC, IC105)
Y
N
R
l
JK3606
N
Check Signal (JK3606 , #3 pin)
Y
Maybe LGE2122 (MTK Main IC,
IC105)
has problems. Replace It.
IC105)
has problems. Replace It.
Replace JK3606
N
has problems. Replace It.
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