Article ID : 00227165 / Last Modified : 12/05/2019

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, please check the following:

  • Ensure 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 Sound.
    4. Select eARC mode.
    5. 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 Sound.
    4. Select Speakers.
    5. Select Audio system.
  • Confirm 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: Some audio systems do not support certain audio codecs. This depends on each product's specifications.