Sharp Aquos LC-32LD166K, Руководство по обслуживанию

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LC-32LD164
LC-32LD165
LC-32LD166
LC-50LD264–LC-50LD265–LC-50LD265RU–LC-50LD266
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No sound from external input devices (3)
↓
Does not the sound of the audio signal input to (SCART) go out?
MAIN UNIT:
↓
↓ YES
↓ YES
No sound from external input devices (4)
↓
Does not the sound of the audio signal input to (HDMI1/2) go out?
↓
↓ YES
The audio signal is not output(1)
↓
No sound from HEADPHONE_OUTPUT terminal.
TEREMINAL UNIT:
↓
↓ YES
↓ YES
The audio signal is not output(2)
↓
No sound from SPDIF_OUTPUT terminal.
TEREMINAL UNIT:
↓
↓ NO
Is the audio signal properly sent to pin (2) (SCT1_AUR_IN) and pin
(6) (SCT1_AUL_IN) of CN151?
NO
Check the connection to CN151 and the external input device.
Refer to “ No sound output in all modes ” .
Is the audio signal properly sent to pin (U20) (SCART1_L_IN) and
pin (R20) (SCART1 R IN) of IC U401?
NO
Check the line between CN151 and IC U401.
Is the HP_DET# signal input into pin (F17) of IC U401 from pin (6)
of a headphone terminal (CN602)?
NO
Check the connection to CN602 and the external input device.
Check IC U401 and its peripheral circuits.
Is the audio signal output from IC U401 pin (T18) andpin (U19) sent
to pin (2)( HPOUT_LT) and pin(3)( HPOUT_RT) of headphone
terminal CN602?
NO
Check the line between IC U601 and CN602.
Refer to “ No sound output in all modes ” .
Is picture of the signal input from HDMI 1/2 displayed?
NO
Refer to “ Does not the picture of the HDMI signal input to
HDMI1/2 go out? ” .
Is the SPDIF_OUT signal output from pin (R4) of IC U401 to pin
(1)of connector(CN603)?
NO
Check the connection to SPDIF_OUT and external devices.
Check IC U401 and its peripheral circuits.