Audio Fix / setup help

Marantz STEREO 70s: correct audio that arrives before the HDMI picture

Marantz STEREO 70s — correct audio that arrives before the HDMI picture. 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 Marantz STEREO 70s. A/V lip-sync adjustment only; not Bluetooth gaming latency or audio already later than the picture. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

Connection scope: HDMI / ARC / eARC audio. Symptom: Sound and picture are out of sync.

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

Audio is positively ahead of the picture on the current HDMI input, the owner accepts changing that input’s delay and the current value is known so it can be restored.

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Marantz STEREO 70s official Owner’s Manual ↗PDF page 105: Audio Delay — OPTION > Audio Delay offers Auto Lip Sync for compatible TVs and manual Adjust from 0 to 500 ms, stored per input. Automatic correction depends on the TV and is not guaranteed. This delays audio; it cannot advance already-late audio.Exact Marantz STEREO 70s EU English manual. This guide does not substitute another receiver/amplifier’s buttons, menu or supported formats. · Source checked 2026-11-09

a1

Open OPTION > Audio Delay

Read Auto Lip Sync and the existing Adjust value. Do not infer the TV supports automatic correction.

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

  • Manufacturer-documented Marantz STEREO 70s official Owner’s Manual ↗PDF page 105: Audio Delay — OPTION > Audio Delay offers Auto Lip Sync for compatible TVs and manual Adjust from 0 to 500 ms, stored per input. Automatic correction depends on the TV and is not guaranteed. This delays audio; it cannot advance already-late audio.Exact Marantz STEREO 70s EU English manual. This guide does not substitute another receiver/amplifier’s buttons, menu or supported formats. · Source checked 2026-11-09

a2

Select Adjust for manual correction

Keep the original value available for restoration.

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

  • Manufacturer-documented Marantz STEREO 70s official Owner’s Manual ↗PDF page 105: Audio Delay — OPTION > Audio Delay offers Auto Lip Sync for compatible TVs and manual Adjust from 0 to 500 ms, stored per input. Automatic correction depends on the TV and is not guaranteed. This delays audio; it cannot advance already-late audio.Exact Marantz STEREO 70s EU English manual. This guide does not substitute another receiver/amplifier’s buttons, menu or supported formats. · Source checked 2026-11-09

a3

Increase delay cautiously within the documented 0–500 ms range

Use the same speech passage; stop or restore if it becomes worse. Do not add delay when audio is already late.

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

  • Manufacturer-documented Marantz STEREO 70s official Owner’s Manual ↗PDF page 105: Audio Delay — OPTION > Audio Delay offers Auto Lip Sync for compatible TVs and manual Adjust from 0 to 500 ms, stored per input. Automatic correction depends on the TV and is not guaranteed. This delays audio; it cannot advance already-late audio.Exact Marantz STEREO 70s EU English manual. This guide does not substitute another receiver/amplifier’s buttons, menu or supported formats. · Source checked 2026-11-09

result

Check the actual result

Is speech aligned acceptably without delaying audio too far?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Marantz STEREO 70s official Owner’s Manual ↗PDF page 105: Audio Delay — OPTION > Audio Delay offers Auto Lip Sync for compatible TVs and manual Adjust from 0 to 500 ms, stored per input. Automatic correction depends on the TV and is not guaranteed. This delays audio; it cannot advance already-late audio.Exact Marantz STEREO 70s EU English manual. This guide does not substitute another receiver/amplifier’s buttons, menu or supported formats. · 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.

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