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Jwday03
Reel Rookie

Soundbar white noise after turning off tv

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When we turned off our tv tonight, the soundbar began making this awful noise. It stopped when I unplugged the the power source, but began again. We'e ultimately had to leave it unplugged in order to go to sleep tonight. Roku Smart Soundbar  

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1 Solution

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RokuDanny-R
Retired Moderator

Re: Soundbar white noise after turning off tv

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@JSobulefsky 

Thanks for the post.

If you are still unable to resolve the issue, please send me a PM (private message) with your Roku account email address, and include the serial number of the Roku device from Settings>System>About along with a summary of the issue you are experiencing. I'll be able to assist you further from there.

 

Thanks,
Danny

Danny R.
Roku Community Moderator

View solution in original post

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9 REPLIES 9
boogernose
Roku Guru

Re: Soundbar white noise after turning off tv

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My guess is a grounding problem.

---A problem clearly stated is a problem half solved---.
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Jwday03
Reel Rookie

Re: Soundbar white noise after turning off tv

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How do I fix that? It had been working fine for about a couple of weeks. 

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boogernose
Roku Guru

Re: Soundbar white noise after turning off tv

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Does the volume turned down fix it? or muted?

You can Search 'Ground Looping'.

You can try grounding the TV.

I dont even know where the Amps are for a sound bar.

But that is where the problem is.

 

 

---A problem clearly stated is a problem half solved---.
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RokuTannerD
Retired Moderator

Re: Soundbar white noise after turning off tv

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@Jwday03  Just wanted to check in and see if you were able to resolve the issue. If you need further help, please send me a private message with your Roku account email address and the serial number of your Roku Smart Soundbar from Settings>System>About. I'll help get you in touch with our support team for further assistance. 

 

Thanks,

Tanner

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Re: Soundbar white noise after turning off tv

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I just bought a smart soundbar and I am having the very same issue.  I use the sleep timer on my TV to save power, but I am being woken up by a loud humming noise when the TV turns off.  I also noticed that if I use my TV's remote to turn it off the soundbar stays on and makes the same noise.

I don't have any other Roku devices and prefer to use my smart TV's streaming apps.  

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RokuDanny-R
Retired Moderator

Re: Soundbar white noise after turning off tv

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Hi,

Thanks for letting us know about the issue that you are experiencing.

I have passed along your concerns to our Support team. They will follow up and assist you.

 

Thanks,
Danny

Danny R.
Roku Community Moderator
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Re: Soundbar white noise after turning off tv

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Has this issue been resolved? I have a 9109x soundbar that was purchased in June 2020 doing the same thing.  It makes a loud pulsating buzzing sound after the tv is turned off. Sometimes not until 15 minutes after turn off. Originally, it would stop if the tv were turned on then off again, but now stops only after removing power. 

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RokuDanny-R
Retired Moderator

Re: Soundbar white noise after turning off tv

Jump to solution

@JSobulefsky 

Thanks for the post.

If you are still unable to resolve the issue, please send me a PM (private message) with your Roku account email address, and include the serial number of the Roku device from Settings>System>About along with a summary of the issue you are experiencing. I'll be able to assist you further from there.

 

Thanks,
Danny

Danny R.
Roku Community Moderator
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Mide
Newbie

Re: Soundbar white noise after turning off tv

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Can you help ? 

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