Audio Fix / setup help

Pioneer VSX-935: check Fixed PCM when a non-PCM source is silent

check Fixed PCM when a non-PCM source is silent. Exact VSX-935, correct known HDMI source selected, source positively confirmed to send a supported non-PCM format, and receiver volume low. This is not a protection fault.

Manufacturer-documented Reviewed 2026-11-10 · Revision 1

Follow these checks in Audio Fix →

When this guide applies

Exact VSX-935, correct known HDMI source selected, source positively confirmed to send a supported non-PCM format, and receiver volume low. This is not a protection fault.

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

Exact VSX-935, correct known HDMI source selected, source positively confirmed to send a supported non-PCM format, and receiver volume low. This is not a protection fault.

Look for: Confirm the stated setup or visible result. Stop if it is unknown.

  • Manufacturer-documented Pioneer VSX-935 — manufacturer instructions ↗VSX-935 original English manual pp.122,149–150 — Read the source’s own current output format and confirm the intended receiver input. Do not disable a setting merely because an unrelated input is silent. On Home > System Setup > Source > Audio Select read Fixed PCM. The troubleshooting section states that On prevents playback of signals other than PCM. With volume low and the owner’s agreement set Fixed PCM to Off, then replay the same source. Preserve the other HDMI assignments and calibration.Exact models: Pioneer VSX-935. Follow only the cited role and variant; successor models are excluded. · Source checked 2026-11-10

a1

Confirm the source format first

Read the source’s own current output format and confirm the intended receiver input. Do not disable a setting merely because an unrelated input is silent.

Look for: A supported non-PCM input and exact selector are confirmed.

  • Manufacturer-documented Pioneer VSX-935 — manufacturer instructions ↗VSX-935 original English manual pp.122,149–150 — Read the source’s own current output format and confirm the intended receiver input. Do not disable a setting merely because an unrelated input is silent. On Home > System Setup > Source > Audio Select read Fixed PCM. The troubleshooting section states that On prevents playback of signals other than PCM. With volume low and the owner’s agreement set Fixed PCM to Off, then replay the same source. Preserve the other HDMI assignments and calibration.Exact models: Pioneer VSX-935. Follow only the cited role and variant; successor models are excluded. · Source checked 2026-11-10

a2

Read Fixed PCM for that source

On Home > System Setup > Source > Audio Select read Fixed PCM. The troubleshooting section states that On prevents playback of signals other than PCM.

Look for: Fixed PCM is explicitly On for the affected input.

  • Manufacturer-documented Pioneer VSX-935 — manufacturer instructions ↗VSX-935 original English manual pp.122,149–150 — Read the source’s own current output format and confirm the intended receiver input. Do not disable a setting merely because an unrelated input is silent. On Home > System Setup > Source > Audio Select read Fixed PCM. The troubleshooting section states that On prevents playback of signals other than PCM. With volume low and the owner’s agreement set Fixed PCM to Off, then replay the same source. Preserve the other HDMI assignments and calibration.Exact models: Pioneer VSX-935. Follow only the cited role and variant; successor models are excluded. · Source checked 2026-11-10

a3

Change only this incompatible setting

With volume low and the owner’s agreement set Fixed PCM to Off, then replay the same source. Preserve the other HDMI assignments and calibration.

Look for: Observe actual playback of the known non-PCM signal.

  • Manufacturer-documented Pioneer VSX-935 — manufacturer instructions ↗VSX-935 original English manual pp.122,149–150 — Read the source’s own current output format and confirm the intended receiver input. Do not disable a setting merely because an unrelated input is silent. On Home > System Setup > Source > Audio Select read Fixed PCM. The troubleshooting section states that On prevents playback of signals other than PCM. With volume low and the owner’s agreement set Fixed PCM to Off, then replay the same source. Preserve the other HDMI assignments and calibration.Exact models: Pioneer VSX-935. Follow only the cited role and variant; successor models are excluded. · Source checked 2026-11-10

result

Check the actual result

Does the intended non-PCM source play with its incompatible Fixed PCM setting Off?

Look for: Confirm the stated setup or visible result. Stop if it is unknown.

  • Manufacturer-documented Pioneer VSX-935 — manufacturer instructions ↗VSX-935 original English manual pp.122,149–150 — Read the source’s own current output format and confirm the intended receiver input. Do not disable a setting merely because an unrelated input is silent. On Home > System Setup > Source > Audio Select read Fixed PCM. The troubleshooting section states that On prevents playback of signals other than PCM. With volume low and the owner’s agreement set Fixed PCM to Off, then replay the same source. Preserve the other HDMI assignments and calibration.Exact models: Pioneer VSX-935. Follow only the cited role and variant; successor models are excluded. · Source checked 2026-11-10

Possible result

Checks completed — report the actual outcome

The stated observation was confirmed in this setup. Completion is not an automatic Solved report, a hardware diagnosis or a physical Audio Review test.

steps completed

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

    Possible result

    Keep the observation for support

    Record the exact model, source, connection and last visible result. Do not reset equipment, open its chassis, bypass protective limits or install firmware to compensate for an unconfirmed result.

    next support

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

      Possible result

      Confirm the unknown detail first

      An unknown indication is not a diagnosis. Check the exact instructions or ask the manufacturer before continuing.

      insufficient data

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

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