LG 55G2 - 9. Trouble shooting - No audio (Digital TV audio)

Check RF Cable & Signal
Check Tuner 1.8V Power
L6500
Check IC6503
Check DIF_P/N Signal
TU6504 10,11 Pin
Check Tuner 3.3V Power
L6503
ok
ok
ok
No
No
Bad Tuner. Replace Tuner.
No
Replace L6503
9. Trouble shooting - No audio (Digital TV audio)
Follow procedure
‘8. All source audio’
trouble shooting guide.
ok
Replace IC6503
No
Replace L6500
ok
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