Sharp LC-46D64U User Manual

LC-42D64U/46D64U/52D64U
4 – 13
No audio (4)
INPUT-4 No audio (HDMI connected)
INPUT-5 No audio (HDMI connected)
INPUT-6 No audio (HDMI connected)
[INPUT-4 input]
Is INPUT-4 selected on the input select menu screen?
NO
Is the audio output selected for "VARIABLE"
on the menu screen?
[INPUT-5 input]
Is INPUT-5 selected on the input select menu screen?
[INPUT-6 input]
Is INPUT-6 selected on the input select menu screen?
Set the audio output to "FIXED".
YES
[INPUT-4 input] If no video appears, refer to "No external input video (HDMI) [INPUT-4]".
[INPUT-5 input] If no video appears, refer to "No external input video (HDMI) [INPUT-5]".
[INPUT-6 input] If no video appears, refer to "No external input video (HDMI) [INPUT-6]".
YES
Is the HDMI_MUTE line as specified? NO Check Q1301, IC1302 and their peripheral
circuits.
YES
Does the audio signal come from pins (4) (COD_LRCK), (5) (COD_BCK) and (6)
(COD_SDOUT) of IC1403 to pins (AK24), (AH24) and (AJ24) of IC8001 (CPU)?
NO Check the line between IC1403 and IC8001.
YES
Does the audio signal come from pins (AJ25) (DSP_LRCK), (AK25) (DSP_BCKIN),
(AL25) (DSP_SDIN1) and (L32) (DSP_SDIN2) of IC8001 to pins (2), (3), (6) and (4) of
IC1402 (SOUND_DSP)?
NO
Check the line between IC8001 and IC1402.
YES
Does the audio signal come from pins (19) (DSP_SDOUT1) and (21) (DSP_SDOUT3) of
IC1402 to pins (11) and (12) of IC1403 (CODEC)?
NO Check the line between IC1402 and IC1403.
Does the audio signal come from pins (AJ25) (DSP_LRCK), (AK25) (DSP_BCKIN) and
(AL24) (DSP_MCLK) of IC8001 to pins (8), (9) and (10) of IC1403?
NO Check the line between IC8001 and IC1403.
YES
Does the audio signal come from pins (17) (SPOUT_LP) and (18) (SPOUT_RP) of
IC1403 to pins (21) (SP_LP) and (25) (SP_RP) of connector (SC2203) on the MAIN
unit?
NO
Check the line between SC2203 and IC1403
(D1305, D1312, Q1306 and Q1307, etc.).
YES
Are there the audio signal inputs at pins (21) (SP_LP) and (25) (SP_RP) of connector
(SC501) on the TERMINAL unit?
NO Check the line between SC501 and SC2203.
YES
Does the audio signal come from pins (21) (SP_LP) and (25) (SP_RP) of SC501 to pins
(5) (SP_LP) and (9) (SP_RP) of IC2701 (AMP) on the TERMINAL unit?
NO
Check the line between SC501 and IC2701,
and their peripheral circuits (AMP_MUTE line,
etc.).
YES
Is the audio output from IC2701 as specified? NO Check IC2701 and its peripheral circuits.
YES
Check the connector (P2701), speakers and their peripheral circuits.

Sharp LC-46D64U Specifications

General

Brand	Sharp
Model	LC-46D64U
Category	LCD TV
Language	English