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Sonos Arc issues with 2020 Samsung 80T 65 inch TV

  • 8 September 2020
  • 11 replies
  • 477 views

I purchased a new 2020 Samsung 80T 65 inch tv and attached my Sonus Arc soundbar via an HDMI cable to the e-Arc HDMI connection on the TV.  No matter what setting I have tried and even after updating the firmware on the Samsung TV and the Sonus Arc soundbar, I still have the sound either cutting out every 10 sec to the TV switching between TV sound and the Sonus Arc Soundbar.

Does anyone at Sonus know if this is a Samsung issue or a Sonus Arc issue?  I have seen other posts stating that Sonus is working with Samsung on the issue.  Does anyone have an update?  New firmware coming?  Any date?

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Best answer by wjalford 20 October 2020, 01:25

For anyone with the same issue.  I had to power everything off then turn the TV on and then the Sonus.  That worked for about a week, then it started happening again.  It kept switching between the eArc HDMI and the TV.  I searched on Samsung’s site and found they just released a new firmware.  I upgraded the firmware and it has now worked for over 2 weeks now.  The only issue that I now have is when I switch to a channel it will not have any sound.  I then have to switch to another channel then come back and the sound works for the original channel.  Not perfect but we are improving.

 

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11 replies

Userlevel 2
Badge +2

Do you have a one connect box? Where are you located? Geography seems to play a large part in how the Arc interacts with your TV. I live in Canada and have a 2020 Q80T, Arc, Sub Gen 3 and a pair of One SL’s. My system works flawlessly to date. Get Atmos content where available from all the streaming services using my ATV 4K. I have upgraded all my cables to HDMI 2.1 and use Cat 6e Ethernet cables throughout. My home is wired with Cat6e as well. 

I do not have a one connect box.  I am located in Arizona.I am connected with a HDMI 2.0 cable.  I ordered a HDMI 2.1 cable.  I am using wireless.  I have no issues with the wireless for music nor did I have issues with my old TV connected to the Arc HDMI.  My router is an AX3000 router.  I am replacing the cable but do not have high hopes that will fix the issue.

Userlevel 2
Badge +2

Try to power cycle the tv and Soundbar to see if the problem continues. Unplug and reconnect the HDMI cable connecting the two devices. If the problem persistsyou should call Sonos Tech Support for assistance. 

Userlevel 7
Badge +15

With the Connect Box I remember reading the problem goes away if you use ARC instead of eARC. Does this work for you - though more of a work around then a solution?

Userlevel 2
Badge +2

With the Connect Box I remember reading the problem goes away if you use ARC instead of eARC. Does this work for you - though more of a work around then a solution?

I have the exact same tv as the OP and have no issues using eArc. His setup should be working. 

Userlevel 7
Badge +15

Good to hear that. Can you share your TV's sound settings?

Userlevel 2
Badge +2

Arc plugged into eArc HDMI port. TV sound to “Receiver”. In Expert Settings HDMI eArc Mode set to “Auto”.  Digital Output Audio Format set to “Auto”. Digital Output Audio delay set to “0”, Atmos “enabled”. As stated above I am using new HDMI 2.1 cables throughout as well. 

Do you have the External Device Manager set to Anynet+?  I purchased an HDMI 2.1 cable and that did not change anything.  I have everything set just like you.  If there aren’t any other suggestions then I will give Sonus a call.

Userlevel 2
Badge +2

Anynet+ is on

Userlevel 7
Badge +15

As it should be: without it the TV doesn't know there is an Arc connected.

For anyone with the same issue.  I had to power everything off then turn the TV on and then the Sonus.  That worked for about a week, then it started happening again.  It kept switching between the eArc HDMI and the TV.  I searched on Samsung’s site and found they just released a new firmware.  I upgraded the firmware and it has now worked for over 2 weeks now.  The only issue that I now have is when I switch to a channel it will not have any sound.  I then have to switch to another channel then come back and the sound works for the original channel.  Not perfect but we are improving.

 

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