Audio Fix / setup help

Naim Mu-so 2nd Generation: Check an encoded TV signal on a stereo input

Naim Mu-so 2nd Generation — Check an encoded TV signal on a stereo input. Follow the exact documented route and keep the actual result.

Manufacturer-documented Reviewed 2026-11-09 · Revision 1

Follow these checks in Audio Fix →

When this guide applies

Exact Naim Mu-so 2nd Generation. Existing connection and selected input already confirmed; use the exact TV instructions. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

Connection scope: HDMI / ARC / eARC audio · Optical digital audio. Symptom: There is no playback sound.

This is a documented check, not a diagnosis of your equipment. The model name does not confirm the selected input, mode, software or connected partner.

If your exact model or a required setting is unknown, use the “I don’t know” branch below. Do not apply a similarly named model’s instructions.

Checks and possible outcomes

Start at scope. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.

scope

Confirm the exact setup

Is the connected TV currently sending Dolby/surround rather than stereo PCM, and can you identify its documented audio-output control?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Naim: Can my product be used as a soundbar? ↗PCM tip; Mu-so 2nd Generation — Mu-so 2nd Generation supports HDMI ARC and optical TV input. TV output must be PCM/stereo/two-channel rather than Dolby or surround.Exact Mu-so 2nd Generation; existing TV ARC or optical connection. · Source checked 2026-11-09

a1

Pause the TV programme

Pause TV playback before changing the output format.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented Naim: Can my product be used as a soundbar? ↗PCM tip; Mu-so 2nd Generation — Mu-so 2nd Generation supports HDMI ARC and optical TV input. TV output must be PCM/stereo/two-channel rather than Dolby or surround.Exact Mu-so 2nd Generation; existing TV ARC or optical connection. · Source checked 2026-11-09

a2

Choose TV stereo PCM

In that TV’s documented output settings, choose PCM, stereo or two-channel for the connected ARC/optical route.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented Naim: Can my product be used as a soundbar? ↗PCM tip; Mu-so 2nd Generation — Mu-so 2nd Generation supports HDMI ARC and optical TV input. TV output must be PCM/stereo/two-channel rather than Dolby or surround.Exact Mu-so 2nd Generation; existing TV ARC or optical connection. · Source checked 2026-11-09

result

Check the actual result

When playback resumes quietly, does Mu-so now play the TV audio?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Naim: Can my product be used as a soundbar? ↗PCM tip; Mu-so 2nd Generation — Mu-so 2nd Generation supports HDMI ARC and optical TV input. TV output must be PCM/stereo/two-channel rather than Dolby or surround.Exact Mu-so 2nd Generation; existing TV ARC or optical connection. · Source checked 2026-11-09

Possible result

Confirm the unknown detail first

Do not infer a source setting, installed cartridge, connector role, software state or partner capability. Obtain the exact documentation before continuing.

insufficient data

Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

    Possible result

    Keep the actual observation for support

    Record the exact model, source, input and last observed response. These checks do not diagnose a failed component. No reset, service work or blind update is prescribed.

    next support

    Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

      Possible result

      Checks completed — keep the observed result

      This records the observation in this particular setup, not a guaranteed cure, physical Audio Review test or measurement.

      steps completed

      Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

        All Audio Fix guides → · TV & Audio Finder →

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