Sony SupportWH-CH720N

Article ID : 00278540 / Last Modified : 11/08/2024Print

Noise is heard from the LinkBuds Open, LinkBuds, LinkBuds UC

    Follow these steps to troubleshoot the issue:

    Before you start

    • For LinkBuds only: Update the headphones' software to the latest version. Doing so may resolve the issue. Perform the update before proceeding.
    • Radio interference will affect the Bluetooth® communication between the headphones and the playback device. The interference is likely to occur in a crowded place, near a store's cash registers, near a microwave, near traffic lights or automatic doors, inside a crowded train or in a station, etc. To avoid interference, move the headphones and speaker closer or set the sound quality mode to Prioritize Stable Connection in the Sony | Sound Connect app.

    Solution

    1. Select the situation that best describes when the noise occurs:
      Noise is heard while playing music

      Go to step 5.
      Noise is heard while talking on the phone

      Go to step 2.
    2. Select the device that you are using:
      Computer
      Go to step 3.
      Something other than a computer (such as a smartphone, etc.)
      Go to step 4.
    3. Check the following.
      The issue is resolved
      The ambient sound or the computer's settings may have been the cause.
      The issue is not resolved
      Go to step 5.
    4. Try speaking louder, or use the Linkbuds in a quieter place.
      The issue is resolved
      The ambient sound may have been the cause.
      The issue is not resolved
      Go to step 5.
    5. Set the Linkbuds in the charging case, close the lid, wait for a few seconds, and then wear them again.
      The issue is resolved
      The issue may have been caused by a temporary malfunction of the headphones.
      The issue is not resolved
      Go to the next troubleshooting step.
    6. Perform the following with the LinkBuds and playback device:
      1. Reset (restart) the playback device.
        Since the playback device may be temporarily malfunctioning, turn it off once and turn it on again.
      2. Delete the Bluetooth device information of your playback device.
        For details on how to delete the Bluetooth device information, refer to the article How to delete the Bluetooth device information of your playback device.
      3. Refer to the appropriate article to perform pairing again:
      The issue is resolved
      The issue may have been caused by the Bluetooth device settings or a temporary malfunction.
      The issue is not resolved
      Go to the next troubleshooting step.

    7. Reset the headphones.

      Refer to the appropriate article:

      The issue is resolved
      The issue may have been caused by a temporary malfunction of the headphones.
      The issue is not resolved
      Go to the next troubleshooting step.
    8. Initialize the headphones and pair them with the playback device again.
      1. Initialize the headphones.

        Initialization returns the headphones to the factory settings, and all Bluetooth pairing information is deleted.

        Refer to the appropriate article:

      2. Refer to the appropriate article to perform pairing again:
      The issue is resolved
      The issue may have been caused by a temporary malfunction of the headphones or the playback device.
      The issue is not resolved
      The headphones may be malfunctioning, and service may be required.

    Go to the Headphones Troubleshooting Guide