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Sonos Arc & Alexa TV Control

M
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Hi All,

I have recently upgraded to an Arc from a Playbar.

I have an LG TV that's 4 years old but has an Arc port, I also have my Sky Q box connected via HDMI to the TV.

I believe I have followed all of the setup instructions, however, only half of it seems to work.

When I tell Alexa to turn on the TV she does but not the Sky box, I have to do that manually. However, when I turn the TV OFF manually it turns both off.

When I ask her to turn off the TV I get the start and end notifications but nothing happens.

Room is:- TV Room and has Arc, 2 play 1’s and a sub, Arc & TV have Ethernet connections, Port from Q box is HDMI 1, Arc is in the HDMI (ARC) port.

Thoughts and possible solutions gratefully accepted.

 

Martyn

Best answer by Corry P

Hi ​@Martyn_9 

I am also unable to turn off my TV, even when I change the selected input to the HDMI port that my Arc Ultra is using - I have reported this, as it is not intended behaviour.

Please note, however, that it is not for Sonos to ensure that your Sky box also turns on with the TV - that will depend on the TV’s own settings, and possibly the Sky box’s settings too.

If you have the time, I’d encourage you to please get in touch with our technical support team to report this - the amount of existing cases is what drives an issue to get fixed sooner rather than later.

I hope this helps.

 

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4 replies

Sotiris C.
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  • Sotiris C.
  • Sonos Staff
  • 721 replies
  • January 31, 2025

Hello ​@Martyn_9, welcome back!

I am sorry to hear you are experiencing issues turning off your LG TV via an Amazon Alexa command on your new Sonos Arc.

Please have a look at our Support Article Alexa commands not working on Sonos and more importantly the instruction below:

Re-enable the Sonos skill

Open the Alexa app and select the More menu in the bottom right. Go to Skills & Games > Your Skills > Sonos > Disable Skill. Once disabled, choose Enable Skill.

As a workaround and troubleshooting step as well, you could try Adding Sonos Voice Control (as it can co-exist with Amazon Alexa) on your Sonos Arc and attempt to turn of the TV using that.

If you are still unable to turn off your LG TV via the Voice Assistants, Submit Diagnostics within 10 minutes of trying to do so and reach out to our Support Team for live troubleshooting.

They have tools at their disposal to provide you with information and advice specific to your system and what it reports.

I hope this helps.

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M
Airgetlam
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    Martyn_9
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Schlumpf
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  • Schlumpf
  • Prodigy III
  • 1338 replies
  • January 31, 2025

​@Martyn_9 

And just to add…

Alexa or any other voice assistant just can do operations on connected hdmi devices, if both of them support the operation you like to do. 
So please check, if your tv offers detailed hdmi cec options to turn on or off. CEC functionality, in case of LG „simplink, in general has to be turned on. Then check for further options on special cec operations. 
Also not all tv manufacturers and models supoort the same hdmi cec functionality. 
Regarding to your TV I suppose the tv doesn’t pass through turn on cec commands and can’t be turned off itself via connected devices. 

Ralf
M
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  • Martyn_9
  • Author
  • Avid Contributor I
  • 5 replies
  • February 3, 2025

Gentleman,

Thank you for your reply's.

I have followed your advice and done the following.

Disabled and reconnected the Sonos skill

Added Sonos voice to the Arc

Checked if the LG Simplink is on...it is.

Outcome.

The situation is the same, Sonos voice turns on the TV but not the Sky box in HDMI2

Neither Alexa or Sonos can turn off the TV.

I will submit diagnostics and see if that can help.

Thanks again.

 

Airgetlam
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Corry P
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  • Corry P
  • Sonos Staff
  • 8516 replies
  • Answer
  • February 6, 2025

Hi ​@Martyn_9 

I am also unable to turn off my TV, even when I change the selected input to the HDMI port that my Arc Ultra is using - I have reported this, as it is not intended behaviour.

Please note, however, that it is not for Sonos to ensure that your Sky box also turns on with the TV - that will depend on the TV’s own settings, and possibly the Sky box’s settings too.

If you have the time, I’d encourage you to please get in touch with our technical support team to report this - the amount of existing cases is what drives an issue to get fixed sooner rather than later.

I hope this helps.

 

"Common sense is the collection of prejudices acquired by age eighteen." - Albert Einstein
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Airgetlam
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