There is no sound from the audio system when connected with eARC

This occurs when you watch a video that uses audio codecs such as DTS-HD® Master Audio or Dolby® TrueHD. Check the following to resolve the issue:

• Make sure to connect the TV and audio system using an HDMI® cable with Ethernet.
• Check if your audio system supports eARC and that the setting is enabled.
  • Check your device manual for model-specific information.
• Make sure other external devices connected to the TV's HDMI ports support output from audio codecs, such as DTS-HD Master Audio or Dolby TrueHD.
  • Check your manual or contact the manufacturer for more information.
• The TV doesn't support DTS-HD Master Audio and Dolby TrueHD from USB files, video streaming services, and broadcasts.
• Set the eARC mode to Auto:
  1. Go to the Settings screen on the TV
     • Using the Quick Settings button (For models released in 2019 or later)
       1. Press the Quick Settings button on the remote control.
       2. Select Settings.
     • Using the HOME button
       1. Press the HOME button on the remote control.
       2. Select Settings.
  2. The next steps will depend on your TV menu:
     • Select Display and sound → Audio output → Audio system settings → eARC setting → Auto.
     • Select Display & Sound → Audio output → eARC mode → Auto
     • Select Sound → eARC mode → Auto
• Set the TV speaker output to Audio System:
  1. Go to the Settings screen on the TV
     • Using the Quick Settings button (For models released in 2019 or later)
       1. Press the Quick Settings button on the remote control.
       2. Select Settings.
     • Using the HOME button
       1. Press the HOME button on the remote control.
       2. Select Settings.
  2. Follow the steps below according to your TV menu.
     • Display & Sound → Audio output → Speakers → Audio system
     • Sound → Speakers → Audio system