Audio Fix / setup help

NAD C 700 V2: Check an encoded TV output on the HDMI eARC input

NAD C 700 V2 — Check an encoded TV output on the HDMI eARC 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 NAD C 700 V2. Existing correct ARC/eARC TV connection, selected HDMI source and exact TV manual confirmed; no cable changes. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

Connection scope: HDMI / ARC / eARC 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 encoded audio rather than PCM to the selected C700 V2 HDMI input, and can you identify its documented stereo PCM output control?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented NAD C 700 V2 Owner’s Manual, English EN-13 ↗HDMI eARC / Important, PDF p7–8 — The HDMI eARC port accepts TV audio only and requires the connected TV audio setting/format to be PCM. It does not output video.Exact C 700 V2, not original C700 or M10. Use only visibly matching installed menu controls. · Source checked 2026-11-09

a1

Pause the TV programme

Pause the programme before changing the TV audio format.

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

  • Manufacturer-documented NAD C 700 V2 Owner’s Manual, English EN-13 ↗HDMI eARC / Important, PDF p7–8 — The HDMI eARC port accepts TV audio only and requires the connected TV audio setting/format to be PCM. It does not output video.Exact C 700 V2, not original C700 or M10. Use only visibly matching installed menu controls. · Source checked 2026-11-09

a2

Choose the TV’s PCM output setting

Using the exact TV instructions, select PCM for the connected ARC/eARC output. Do not assume the C700 V2 HDMI connector is a video-output port.

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

  • Manufacturer-documented NAD C 700 V2 Owner’s Manual, English EN-13 ↗HDMI eARC / Important, PDF p7–8 — The HDMI eARC port accepts TV audio only and requires the connected TV audio setting/format to be PCM. It does not output video.Exact C 700 V2, not original C700 or M10. Use only visibly matching installed menu controls. · Source checked 2026-11-09

result

Check the actual result

When the programme resumes quietly, does C700 V2 reproduce its TV audio?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented NAD C 700 V2 Owner’s Manual, English EN-13 ↗HDMI eARC / Important, PDF p7–8 — The HDMI eARC port accepts TV audio only and requires the connected TV audio setting/format to be PCM. It does not output video.Exact C 700 V2, not original C700 or M10. Use only visibly matching installed menu controls. · 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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