Article ID : 00206319 / Last Modified : 27/05/2019

There is no sound from the audio system when connected via eARC.

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If you are watching images that use audio codecs such as DTS-HD Master Audio or Dolby TrueHD, sound may not be output when the TV and audio system are connected via eARC.
In such cases, check the following.

  • Check that the TV and audio system are connected using an HDMI cable with Ethernet.
  • Set the TV's eARC setting to Auto.
    1. Press the HOME button on the remote control.
    2. Select  Settings.
    3. Select Display & Sound or Sound.
    4. Select Audio output.
      NOTE: If Audio output is not shown, skip this step.
    5. Select eARC mode.
    6. Select Auto.
  • Set the TV's speaker output setting to Audio system.
    1. Press the HOME button on the remote control.
    2. Select  Settings.
    3. Select Display & Sound or Sound.
    4. Select Audio output.
      NOTE: If Audio output is not shown, skip this step.
    5. Select Speakers.
    6. Select Audio system.
  • Check that the audio system supports eARC. Also, check the eARC settings of the audio system.
    For details, refer to the manual of the audio system.
  • Check that the external devices connected to the TV's HDMI terminals support output from audio codecs such as DTS-HD Master Audio or Dolby TrueHD.
  • The TV does not support DTS-HD Master Audio and Dolby TrueHD from USB files, video streaming services, and broadcasts.

NOTE: Depending on the specifications of the audio system, there may be no sound because it does not support some audio codecs.