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Answered

Arc randomly switches to TV Audio when TV is off

  • January 15, 2025
  • 6 replies
  • 118 views
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Does anyone else have this issue and do you have a solution?

 

I have a 1st Generation Arc soundbar. Something I notice too often is that I will be listening to music on the Arc (with 2x Era surrounds) when the Arc suddenly stops playing music. For a while i thought this was down to bad wifi connection but then I started to notice the Sonos App has switched itself to "TV Audio" even though the TV is turned off.

I wonder if the TV (or the connected Game Console) is "pinging" my Arc and causing this?

I suppose I could turn off the power supply to the TV and Game Console and see if that stops it but that would be an inconvenient solution.

I have noticed this occurring more frequently since last year's major update to the App. I rarely get through an album without it happening at least once. 

 

Best answer by melvimbe

CEC is needed for HDMI-ARC/eARC so you don’t want to put this device between your Arc and your Arcana.  That will kill the connection.

It might fix the problem if you place it between the TV and Arcana (assuming you aren’t using the smart apps on your TV).  I would first look at turning off ARC/eARC functionality of your TV.  It’s not needed since Arcana is handling that functionality.

The issue also could be with your source device (cable box, game console, streaming box) sending CEC commands.  So you could look at turning off CEC on these devices, or using the CEC blocker between source and Arcana.

Alternatively, you could turn off the autoplay feature for your Arc.  This would mean you would have always manually switch to TV audio when you watch TV, since the Arc will never auto switch when it senses audio coming through the line.

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6 replies

Stanley_4
  • Stanley_4
  • Lead Maestro
  • 11223 replies
  • January 15, 2025

It is often the TV waking up briefly, far from expert here but look at a CEC Blocker.

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Interesting. I was unfamiliar with this tech.

 So if I used a 4K CEC adaptor such as the one in the photo to connect to the Sonos ARC what would happen? Would I lose Atmos or DTS?

Would it be better to use this on the TV output?

I should note I also have an HD Fury Arcana inbetween the Arc and TV/Console.

 

 

melvimbe
  • melvimbe
  • 9855 replies
  • Answer
  • January 16, 2025

CEC is needed for HDMI-ARC/eARC so you don’t want to put this device between your Arc and your Arcana.  That will kill the connection.

It might fix the problem if you place it between the TV and Arcana (assuming you aren’t using the smart apps on your TV).  I would first look at turning off ARC/eARC functionality of your TV.  It’s not needed since Arcana is handling that functionality.

The issue also could be with your source device (cable box, game console, streaming box) sending CEC commands.  So you could look at turning off CEC on these devices, or using the CEC blocker between source and Arcana.

Alternatively, you could turn off the autoplay feature for your Arc.  This would mean you would have always manually switch to TV audio when you watch TV, since the Arc will never auto switch when it senses audio coming through the line.

Danny
Airgetlam
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    DuranDoranMartell
Stanley_4
  • Stanley_4
  • Lead Maestro
  • 11223 replies
  • January 16, 2025

That one says not for Arc, so not on that link.

Maybe try unplugging the other input to see if the console is the problem device?

I'd wait for someone else with more TV experience.

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    DuranDoranMartell
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This answer has nothing to do with my problem, but I’ve been using the arc with my TV for several years and all of a sudden the arc stopped working. Every time my TV goes to sleep I need to go back in and toggle the arc setting for TV out and then toggle arc and then go back and change the TV to output to arc again then Sonos starts working until my TV or Apple TV goes to sleep then I have to do it all over again. This is ridiculous. I’m sure it is some bug that Sonos has introduced with their media of problems that they have introduced to all their users. I’m hoping to find a solution on here, but nothing so far and no, I have not called Sonos. I can’t imagine how frustrating of an experience that will be they will say replace your cable fix your TV upgrade your TV.

Ken_Griffiths
Scottdavidreynolds wrote:

This answer has nothing to do with my problem, but I’ve been using the arc with my TV for several years and all of a sudden the arc stopped working. Every time my TV goes to sleep I need to go back in and toggle the arc setting for TV out and then toggle arc and then go back and change the TV to output to arc again then Sonos starts working until my TV or Apple TV goes to sleep then I have to do it all over again. This is ridiculous. I’m sure it is some bug that Sonos has introduced with their media of problems that they have introduced to all their users. I’m hoping to find a solution on here, but nothing so far and no, I have not called Sonos. I can’t imagine how frustrating of an experience that will be they will say replace your cable fix your TV upgrade your TV.

Perhaps try toggling off/on "TV Autoplay" in the Arc ‘room’ settings in the App and see if that might fix the issue.

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