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Sony ULT FIELD 3: check the correct battery charging input

Sony ULT FIELD 3 — Check the correct battery charging input. Check the documented control or configuration and record the actual result.

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

Follow these checks in Audio Fix →

When this guide applies

Exact Sony ULT FIELD 3. Dry, undamaged charging equipment; USB output is not assumed to be an input. Bluetooth source context; no reset or saved-pairing deletion is prescribed.

Connection scope: Bluetooth. Symptom: My device or case won’t charge.

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 setup

The speaker and charging connector are dry and undamaged, with no abnormal heat.

Look for: Choose only what you can confirm.

  • Manufacturer-documented ULT FIELD 3 Help Guide ↗Charging the speaker, pp.10–13 — Use the supplied USB-C cable at the DC IN/OUT port with a suitable USB power adaptor. Sony documents USB PD 5 V/3 A or 9 V/3 A, or a USB adaptor of at least 1.5 A; charging speed varies. CHARGE lights orange while charging and goes out when complete. Ports and connectors must be dry.Exact Sony ULT FIELD 3 / SRS-ULT30. No reset or other-model gesture. · Source checked 2026-11-09

a1

Prepare the documented input

Locate the documented charging connector; use the correct supplied cable and suitable regional power source.

Look for: Complete this one check and observe its actual response.

  • Manufacturer-documented ULT FIELD 3 Help Guide ↗Charging the speaker, pp.10–13 — Use the supplied USB-C cable at the DC IN/OUT port with a suitable USB power adaptor. Sony documents USB PD 5 V/3 A or 9 V/3 A, or a USB adaptor of at least 1.5 A; charging speed varies. CHARGE lights orange while charging and goes out when complete. Ports and connectors must be dry.Exact Sony ULT FIELD 3 / SRS-ULT30. No reset or other-model gesture. · Source checked 2026-11-09

a2

Connect the documented power supply

Use the supplied USB-C cable at the DC IN/OUT port with a suitable USB power adaptor. Sony documents USB PD 5 V/3 A or 9 V/3 A, or a USB adaptor of at least 1.5 A; charging speed varies.

Look for: Complete this one check and observe its actual response.

  • Manufacturer-documented ULT FIELD 3 Help Guide ↗Charging the speaker, pp.10–13 — Use the supplied USB-C cable at the DC IN/OUT port with a suitable USB power adaptor. Sony documents USB PD 5 V/3 A or 9 V/3 A, or a USB adaptor of at least 1.5 A; charging speed varies. CHARGE lights orange while charging and goes out when complete. Ports and connectors must be dry.Exact Sony ULT FIELD 3 / SRS-ULT30. No reset or other-model gesture. · Source checked 2026-11-09

a3

Observe CHARGE

Check whether the orange CHARGE light indicates charging and later goes out at completion; a full battery may stop charging promptly.

Look for: Complete this one check and observe its actual response.

  • Manufacturer-documented ULT FIELD 3 Help Guide ↗Charging the speaker, pp.10–13 — Use the supplied USB-C cable at the DC IN/OUT port with a suitable USB power adaptor. Sony documents USB PD 5 V/3 A or 9 V/3 A, or a USB adaptor of at least 1.5 A; charging speed varies. CHARGE lights orange while charging and goes out when complete. Ports and connectors must be dry.Exact Sony ULT FIELD 3 / SRS-ULT30. No reset or other-model gesture. · Source checked 2026-11-09

result

Check the actual result

Can you confirm normal charging progression without an abnormal indicator?

Look for: Choose only what you can confirm.

  • Manufacturer-documented ULT FIELD 3 Help Guide ↗Charging the speaker, pp.10–13 — Use the supplied USB-C cable at the DC IN/OUT port with a suitable USB power adaptor. Sony documents USB PD 5 V/3 A or 9 V/3 A, or a USB adaptor of at least 1.5 A; charging speed varies. CHARGE lights orange while charging and goes out when complete. Ports and connectors must be dry.Exact Sony ULT FIELD 3 / SRS-ULT30. No reset or other-model gesture. · Source checked 2026-11-09

Possible result

Confirm the unknown detail first

Do not infer a setting, gesture, source version or indicator. Consult the exact model 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 last observation for support

    These checks do not identify a failed component. Record the exact source, software and last observed response for manufacturer support. Do not clear pairings or repeatedly reset the product.

    next support

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

      Possible result

      Checks completed — record the observed result

      Completion records the observation in this setup; it is not a guarantee that the original symptom is resolved. No Audio Review physical test or measured performance is claimed.

      steps completed

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

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