LC-46D82U/LC-52D82U
4 – 19
YES
No monitor audio
YES
Is there the MUTE signal
input at pin (1) of IC1305?
NO
Check the
MUTE_A_ALL and
ACDET_MUTE signals.
Is the audio output from the
monitor set at “VARIABLE”
or “FIXED” on the menu
screen?
NO
Check the bus line
(SCL0_5/SDA0_5)
and IC1404. Replace
as required.
YES
YES
Are the audio signal outputs
at pins (40)(L) and (41)(R)
of IC1404?
NO
Check IC1404 and its
peripheral circuits.
Replace as required.
Is there the SPDIF signal
input at pin (1) of DIGITAL
AUDIO OUTPUT terminal
(D1313)?
NO
Check D1313 and its
peripheral circuits.
Replace as required.
YES
Are the audio signal inputs
at pins (3)(L) and (5)(R) of
IC1408 (BUFF_AMP.)?
NO
Check the line
between IC1404 and
IC1408, and their
peripheral circuits.
No optical output under
the following conditions
as per HDMI require-
ments.
* Audio contents pro-
tected
* Audio frequency
beyond 48 KHz
* Audio bit length
beyond 16 bits
YES
Are the audio signal outputs
at pins (1)(L) and (7)(R) of
IC1408?
NO
Check IC1408 and its
peripheral circuits.
Replace as required.
YES
Are the audio signal outputs
at pins (16)(L) and (14)(R)
of connector (SC1102) on
the main unit?
NO
Check the line
between IC1408 and
SC1102, and their
peripheral circuits.
YES
Are the audio signal inputs
at pins (10)(L) and (16)(R)
of connector (SC502) on
the TERMINAL unit?
NO
Check the SC1102
and SC502 connec-
tors.
YES
Check the signal up to the
monitor audio output termi-
nal (J502).
NO
Check the MUTE.R
line (Q507 thru Q509,
etc.)
Содержание Aquos LC-46D82U
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Страница 152: ...LC 46D82U LC 52D82U 8 48 TERMINAL Unit 1 ...
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Страница 156: ...LC 46D82U LC 52D82U 8 52 KEY Unit ...
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Страница 160: ...LC 46D82U LC 52D82U 8 56 ILLUMINATION Unit ...
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Страница 220: ...LC 46D82U LC 52D82U 46 12 PACKING PARTS NOT REPLACEMENT ITEM S2 S4 S6 S6 S1 S5 S8 S9 S6 S3 S6 ...