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Herzrasen
Contributor I
December 21, 2021

HDMI eARC Problem

Hi, since the ARC is connected to my Sony AG9, I can no longer switch to the television speakers (TV system). So deactivate the output via the audio system and activate the TV system. As soon as I switch that in the television menu, it switches briefly 2-3 times between the TV system and audio system and at the end the audio system is active
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    5 replies

    Ken_Griffiths
    Ken_Griffiths
    December 22, 2021

    You will need to switch off HDMI-CEC to return to the TV speakers. It’s known as ‘Bravia Link’ or ‘Bravia Sync’ on the various Sony TV models.

      HerzrasenAuthor
      Contributor I
      December 22, 2021

      Sony support on site and looked at the problem.

      The problem does not arise with the soundbar you brought with you (not a Sonos) and the existing HDMI cable. The output can be properly controlled or changed via the television. Everything works as desired and as it should be.

      When the Sonos ARC is reconnected, the problem occurs again immediately and audio controls no longer work.

      I suspect the problem is on the part of Sonos :-(

      HerzrasenAuthor
      Contributor I
      December 22, 2021

      I have now obtained such a CEC blocker, so that the control is so far established that the output can be switched between TV and ARC.

      This is of course not satisfactory because I also had the opportunity to try out other soundbars. Result, with the exception of the ARC, none of the others produced the problem.

      AjTrek1
      AjTrek1
      December 22, 2021

      Hi

      This may or may not make a difference. However, the manual for your Sony AG9 suggests that eARC be set to AUTO to allow the TV to properly recognize a capable CEC Audio Return device when connected to the HDMI eARC port (such as the Sonos Arc).  If you are trying to do some type of manual switching between the TV speakers and the Sonos Arc you most likely will experience connection issues. 

      The Sonos Arc is a generic device relating to HDMI CEC eARC connectivity. Faults are always related to how the TV manufacturer chooses to implement CEC as there are no standard implementation rules.

      Samsung, Sony, LG to name a few all implement CEC differently. This community (IMO) seems to address more CEC issues with Samsung and the least with LG. 

      Question: If you feel the Sonos Arc is the issue versus other sound bars you tried then why not return it?

      Together Everyone Achieves More = T.E.A.M.
      HerzrasenAuthor
      Contributor I
      December 22, 2021

      Hi, why don't I send the arc back? I have even more devices from sonos and of course I would like to take advantage of the benefits.
      and I would not have thought that the arc is so stubborn.
      all other soundbars from other manufacturers work better in this regard. (bose, samsung, ...)
      it is disappointing that sonos does not work with Sony.

      LG

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