Sharp LC-52D82U Service Manual page 60

LC-46D82U/LC-52D82U
Is there the audio signal input at pins (11)(L) and (14)(R) of connector
(P2704) on the TERMINAL unit?
YES
Is there the audio signal input at pins (5)(L) and (3)(R) of IC2701
(STEREO_AMP)?
YES
Is the audio output from IC2701 as specified?
YES
Check the connector (P2703), speakers and their peripheral circuits.
Check the SC1301 and P2704 connectors.
NO
Check the line between P2704 and IC2701, and their periph-
eral circuits (AMP_MUTE line)
NO
Check IC2701 and its peripheral circuits.
NO
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