Read LG 32LG710H (CHASSIS:LA95A) Service Manual online
SPDIF Audio out Trouble shooting guide
Check the output (Pin AF5) of BCM3549(IC100).
Measure waveform at R680 because it’s more easy to check.
Can you see the normal signal?
Measure waveform at R680 because it’s more easy to check.
Can you see the normal signal?
Check the input of JK300.
Can you see the normal waveform?
Can you see the normal waveform?
YES
NO
NO
This board has big problem because Main chip(BCM3549) have some troubles.
After checking thoroughly all path once again, You should decide to replace BCM3549 or not.
After checking thoroughly all path once again, You should decide to replace BCM3549 or not.
After checking audio signal line, you should decide to replace item or not.
YES
After checking the Jack, you should decide to replace item or not.