Contributor I

Answered

Sonos Arc Samsung Frame TV eARC not working

668 replies
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So I just set up the Sonos Arc soundbar that supports eARC. It works with my 2020 65" Frame TV until I change the eARC setting on the Frame TV to Auto. The sound mutes and I can't get it to play until I turn eARC off. Anyone else have this issue? I’ve messed around with this for a few hours to no avail.

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DitteAnswer

Hi all, yet another note from the dev team:

We have been working on the ongoing audio problem between the Sonos Arc and several 2020 Samsung TV models. These models support the new eARC connectivity. Samsung TVs prior to and from 2019 do not support eARC and are not seeing this particular problem. Customers will randomly experience a complete loss of audio which requires either the rebooting of the Sonos Arc and/or the rebooting of the Samsung TV.

If you are experiencing this problem and you are willing to assist with some short term testing, please contact our customer care department at your earliest convenience.

Best,

Ditte

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mdusche

Lyricist I

Having the same issue on my 65” LG OLED B6. For a while I wouldn’t get sound from the TV when turning it on but a power cycle would fix it, however as of this morning the connection between the Sonos Arc and my entire surround set up will not connect to my TV. Really could use a solution to this Sonos. $2,000 for no sound is not a good deal lol

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andrewfear

Contributor I

Both my Frame TVs have issues. 2020 can get Dolby Atmos working sometimes by my 2019 will never get it working.

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muchbemused

Lyricist I

This is happening to me on my LG C9 TV with Apple TV 4K and the Arc.

With no pattern that I can establish, I will sometimes start a show with the Apple TV and get no sound. The Sonos app shows “no signal.” By adjusting the LG TV sound settings to flip eARC off then on again, the sound always comes back immediately, and continues to perform well, generally for days.

I’ve never seen it go out during a show. Only after a period of non-use. This does not happen every time. And it seems to happen for Atmos, 5.1, and stereo content alike.

I

ivanlomas

Lyricist III

Today I’ve taken delivery of a Samsung Q95T to get full Atmos, specifically to replace my Q9FN which doesn’t have eARC.

Excitedly I get it all set up and sounded amazing.

10 minutes later no sound through Sonos Arc, changed eARC from auto to off and Arc works.

Don’t know if this is a Samsung or Sonos issue but it’s VERY annoying, You don’t expect this when you outlay £2700 for brand new TV and £800 on a soundbar. I have 28 to return both items if no fix in this period they will be returned.

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FBhoy86

Lyricist III

Hi Ivan,

I have exactly the same set up and the same problem. I think it’s a Sonos issue personally.

There’s too many 2020 Samsung’s not getting the eARC to work with this soundbar.

I just hope Sonos engineers are looking into this issue.

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ivanlomas

Lyricist III

Good to know someone has the same issues with the same setup FHboy.

I personally think it’s a Sonos problem as well, interestingly if you try to change the sound output in the TV It shows the little green jumping graph on the Arc selection which surely means the TV is sending the signal to the Arc.

The part I'm most baffled by is the fact it worked for 10 minutes or so.

Very frustrating.

controlav

Lead Maestro

The part I'm most baffled by is the fact it worked for 10 minutes or so.

Very frustrating.

Could the TV have taken a firmware update during those ten minutes? We know that the newest LG firmware for the C9 causes problems with the Sonos Arc.

Author of the leading independent Sonos apps for Android, MacOS, iOS, Windows and Xbox.

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Daryl97

Contributor I

I have the q95t and I have my Arc wired straight into hdmi 3 (eARC) the Arc only shows the Arc as a HDMI Receiver as opposed to Receiver eARC - I have a horrible audio delay when using Atmos on my Xbox One X and I think a possible fix could be to enable audio pass through on the TV but this is only possible on eARC devices, which for some reason it doesn't seem to think the Arc is.

Ken_Griffiths

This is happening to me on my LG C9 TV with Apple TV 4K and the Arc.

With no pattern that I can establish, I will sometimes start a show with the Apple TV and get no sound. The Sonos app shows “no signal.” By adjusting the LG TV sound settings to flip eARC off then on again, the sound always comes back immediately, and continues to perform well, generally for days.

I’ve never seen it go out during a show. Only after a period of non-use. This does not happen every time. And it seems to happen for Atmos, 5.1, and stereo content alike.

The latest C9 firmware v04.80.03 supports the multichannel LPCM codec, which by default is in use by Apple TV 4K .. but not (yet) the Sonos Arc.

The answer is to change the sound out codec on Apple TV … I have the C9 TV and for most other devices it works well and in particular, it’s own built-in Apps for Netflix, Prime Movies, Disney+, Rakuten and ATV+ etc; all work fine and each support DD+ (Atmos).

Sonos have indicated the Arc will go onto support the multichannel LPCM codec at some stage this year. It appears LG are just slightly ahead of things with these matters.

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Rudi322

Lyricist III

Same thing: Q95T, Sonos ARC.

perfect sound with EARC OFF. No Sound in EARC Auto.

would be very helpful to know whom to blame, which device to return..is it Samsung or sonos..

really hope sonos is reading along here and we‘ll soon see a Software fix...

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