LG 60PH6700 Service Manual page 60

15. OPTIC Audio Out Trouble Shooting
Check SPDIF signal (R3662)
Y
Check Signal (JK3606 , #3 pin) Ch k Si l (JK3606 #3 i )
Y
Maybe LGE2122 (MTK Main IC,
IC105)
has problems. Replace It. has problems. Replace It.
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Only for training and service purposes
Replace LGE2122 (MTK Main
N
IC, IC105)
N N
Replace JK3606 R l JK3606
LGE Internal Use Only