CHAPTER 4.TROUBLESHOOTING TABLE
[1]TROUBLE SHOOTING TABLE
The sound is not emitted from the speaker though the picture has come out.
No sound output in all models?
TEREMINAL
TEREMINAL
Is the audio signal output of pin (96)
(AOSDATA0), pin (95) (AOBCK), pin (94)
(AOLRCK) and pin (93) (AOMCLK) of IC
U2102 normal?
YES
Is audio signal input to pin (6) (AOSDATA0),
pin (7) (AOBCLK), pin (8) (AOLRCK) and
pin (5) (AOMCLK) of IC U6101 (AMP)?
YES
Is MUTE circuit [YDA_MUTE] normal ?
YES
Is the audio signal output of pin (1, 2) (L-ch)
and pin (3, 4) (R-ch) of CN6101
(AOUDIO-CONNECTOR) normal?
YES
Check Speaker Box (right and left) and wire
harness.
NO
Check IC U2102 and its peripheral circuits.
NO
Check the line between IC U2102 and IC
U6101.
NO
Check the PD#. (R6130, Q6101, R6134, etc.)
NO
Check IC U6101 and its peripheral circuits.
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