LC-46D82U/LC-52D82U
4 – 15
Is there the audio signal input at pins (5) (L) and (3) (R) of IC2701 (STEREO_AMP)?
NO
Check the line between P2704 and
IC2701, and their peripheral circuits
(AMP_MUTE line).
YES
Is there the audio output from IC2701 as specified?
NO
Check IC2701 and its peripheral circuit.
YES
Check the connector (P2703), speakers and their peripheral circuits.