Article ID : 00020052 / Last Modified : 06/17/2019

No sound from the audio system connected to the TV through ARC

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Follow these steps if you don't get any sound through the Audio Return Channel (ARC) connection. If model-specific information is required to complete each step, check your manual.

  • Make sure that your TV and audio system are ARC-compatible.
    • If only one of the devices is ARC compatible, the HDMI ARC feature can't be activated. To get sound from your TV, connect the audio system with an optical cable or audio cable.

      View the connection diagram

  • Update the software of your TV and audio system to the latest version.
  • Connect a High-Speed HDMI® cable to the HDMI port on your TV and audio system with the ARC label.

    View the connection diagram

    • Connect one end of the HDMI cable to the (ARC) HDMI IN of the TV, and then connect the other end to the (ARC) HDMI OUT of the audio system.
      • Some Audio/Video (A/V) receivers have ARC ports labeled Out A and Out B.
      • Check the settings and make sure the correct port is selected in the device menu.
  • On your TV and audio system, set the Control for HDMI option to On.
  • Perform a power reset on both devices.
    1. Turn off your TV and audio system.
    2. Unplug the power cords and disconnect the HDMI cables from the devices and wait for one minute.
    3. Plug the power cords back in.
    4. Turn on both devices.
  • For Android TV™ models, follow these steps:
    • If your audio system isn't compatible with Dolby Digital® or DTS® audio format.
      1. On the supplied remote, press the HOME button.
      2. Select Gear IconSettings.
      3. Select Sound or Display & Sound.
      4. Select Audio output.
        • If you don't find this option, skip this step.
      5. Select Digital Audio Out.
      6. Select PCM.
    • Perform clear data and clear cache.
      1. Press the HOME button.
      2. Select Gear IconSettings.
      3. Under the TV category, select Apps.
      4. Select System apps.
      5. Select External Input Services.
      6. Select Clear data and choose OK.
      7. Select Clear cache and choose OK.