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MattEa
Contributor I
December 12, 2020

Arc with LG OLED GX - TV setup

I’m having trouble setting up my Arc with my new LG GX. 
 

I am running through HDMI-ARC. The sound is playing through the bar, and it’s receiving an Atmos signal (I can see the logo in the app). 
 

However, there are two issues: (1) Sonos app tells me there is a “connection issue” with my TV setup, and (2) the TV remote cannot change the volume on the Arc. 
 

For (1), we have tried the Sonos app troubleshooting, but it cannot resolve it. 
 

I have submitted diagnostic number 551452744. 
 

Thank you for your help,

Matr

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30 replies

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Guybrn
Lyricist III
June 10, 2021

My issue resolved itself! I bought from Richer Sounds. They were very helpful and sent a member of the local shop to my home with a new Arc and Beam to check all settings. I had been away for 2 weeks and when I came to demonstrate the problem of the LG remote not working, it worked!!! So the remote now does all it should, volume up and down as well as mute. I had contacted LG and Sonia, but got nowhere. I wondered if LG had done a software upgrade to make it work. So I did nothing more,  except for following the settings advice earlier in this thread. 

Mine still doesn’t work. Do you still get the arc mode not connected message?

FreddyV
Contributor I
June 14, 2021

Hi, I have an LG oled c1 and I'm having the same issues with my new arc that was bought today. Is there any solution?.. I tried everything mentioned above..

Hi,

I have the same TV as you and cannot place ATMOS, did you have any luck to get it to work?

Guybrn
Lyricist III
June 14, 2021

Hi after hard resetting the TV all is OK…

What  do you mean by not getting atmos? What content?and where from?

FreddyV
Contributor I
June 14, 2021

Thanks for getting back to me. I’m only getting stereo PCM from Netflix & Prime etc. I’ve plugged in a HDMI into input 2 on my LG C1 so not sure what I’m doing wrong? 

Guybrn
Lyricist III
June 14, 2021

Did you check the cable is Hdmi 2.1?

FreddyV
Contributor I
June 14, 2021

I checked the box and it says HDMI 2.0. Where I purchased them they assured me it will work with tv & arc but obviously not. Do you think this is the issue?

Guybrn
Lyricist III
June 14, 2021

I'm not an expert in this subject but i think you should check with another cable if this problem persist. Did you check the settings in audio TV?

Font forget not all the content is atmos.. Only few for now..

pfa
Lyricist I
July 5, 2021

Hi after hard resetting the TV all is OK…

What  do you mean by not getting atmos? What content?and where from?

I reset my tv and went through the set up of my lg oled C1. Still doesn’t work. I get sound but the Sonos app doesn’t recognise the connection and volume control not working. I tried Sonos, Phillips, home theater and Bluetooth/soundbar.

FWIW the Dolby atmos is disabled when I have hdmi 2/arc selected (is that normal?).

patcsy88
Lyricist I
July 19, 2021

Hi Sonos Arc + GX,

Just hooked up my LG 65GX to my Sonos Arc with Sub G3 + pair of Ones - enabled eARC and all good. Getting Dolby Vision and Dolby Atmos from selected Netflix content including Our Planet with David A.

 

pfa
Lyricist I
July 19, 2021

Turns out my issue was having my Mac connected via the mini port not the regular hdmi. Once I switched everything works.

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