Connecting Arc to LGOLED65CX5LD

  • 11 March 2021
  • 2 replies

I have a new LG CX tv and the Sonos Arc arrived today. I have connected it with the HDMI cable to the eARC HDMI on the tv and chnaged the audio setting to eARC. However I am getting no sound from the ARC speaker. The Sonos App simply tells me that ARC Mode is not connected. What do I do next?


Best answer by GuitarSuperstar 11 March 2021, 19:11

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2 replies

Userlevel 7

Set your TV settings to this:

Sound Out: HDMI ARC

HDMI Input Audio Format: Bitstream

Digital Sound Out: Pass Through

eARC: on

Auto Device Detection: On

Simplink (HDMI-cec): On

Auto Power Sync: Off


Guitar are a superstar!

Using those settings has got sound coming from the ARC. 

Thank you, I’m not sure how you’re meant to discover those settings without support!