LC50/58/65U35T
6 – 13
No audio (2)
[HDMI analog audio input] HDMI3 No audio.
Is HDMI3 selected on the input select menu screen?
NO
Refer to ":No external input video [HDMI3]".
YES
Is selecting "Fixed" of "Audio Out > Stereo Minijack > Output Select" on the
setting menu screen ?
NO
Set the audio output to "Fixed".
YES
Is selecting "HDMI+Analog" of "Video In > HDMI3 > Audio Select" on the set-
ting menu screen ?
NO
Set the Audio Select to "HDMI+Analog".
YES
Does the audio signal come from pins(2)(L) and (3)(R) of input terminal(J501)
to pins(B35)(L) and (B38)(R) of IC3303(CPU)?
NO
Check the line between J501 and IC3303.
YES
About the L/R speakers.
Does the digital audio signal come from pins(AP36/AM31/AN30/
AN31)(SP_MCLK/SP_BCLK/SP_LRCLK/SP_LR_DAT) of IC3303(CPU) to
pins(5/6/7/8)(SP_MCLK/SP_LR_DAT/SP_BCLK/SP_LRCLK) of
IC1701(Audio AMP) ?
About the Subwoofer speaker.
Does the digital audio signal come from pins(AP36/AM31/AN30/
AM30)(SP_MCLK/SP_BCLK/SP_LRCLK/SP_WF_DAT) of IC3303(CPU) to
pins(5/6/7/8)(SP_MCLK/SP_WF_DAT/SP_BCLK/SP_LRCLK) of
IC1801(Audio AMP) ?
NO
Check the line between IC3303 and IC1701 /
IC1801, and their paripheral circuits.
YES
About the L/R Speakers.
Does the audio signal come from pins (10/14/26/30) of IC1701 (Audio AMP)
to pin (6/5/4/3) of P1702 (connector for speaker)?
About the Subwoofer speaker.
Does the audio signal come from pins (10/14/26/30) of IC1801 (Audio AMP)
to pin (1/2) of P1702 (connector for speaker)?
NO
Check IC1701 / IC1801 and its paripheral circuits.
YES
About the L/R Speakers.
Check the connector (P1702) L/R speakers and their peripheral circuits.
About the Subwoofer Speaker.
Check the connector (P1702) L/R speakers and their peripheral circuits.
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