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Hey All,

I own a Vizio V655-G9. I started setting up my Sonos Arc to be connected to my TV, everything was going well, and then the Sonos app gave me the error “CEC not connected”. 
 

Steps I’ve taken: 

  1. Checked to make sure CEC is working and my tv is recognizing a device (it is)
  2. Unplugged all other HDMI devices that were plugged into my TV
  3. Swapped out the HDMI cable that came with my Sonos Arc with another cable I had laying around.
  4. Factory reset my TV
  5. Unplugged, and plugged my Sonos arc back in.
  6. Reset my Sonos app

The issue seems to be with Sonos and the App. Any ideas on how to resolve the issue?

 

Thanks in advance

 

Try this:

Disconnect everything from the TV and unplug the TV and Arc from power for a couple of minutes. Press and hold the power button on the TV or remote for 10 seconds to drain the remaining power. Plug the TV and Arc back in but keep everything disconnected. Enable CEC in your TV’s settings. Run TV Setup in the Sonos app. Connect the Arc to the TV’s HDMI ARC port using the Sonos-supplied HDMI cable when the app instructs you to. When the Arc has been successfully connected to the TV, connect your other devices to the TV.

Tried your suggestion and was still unsuccessful.

I’ve attached pictures of my TV recognizing the Arc, and one of the Sonos app saying CEC is not functioning

 

I would perhaps go back to trying things again with the original HDMI cable that came with your Sonos Arc and select the product in the TV settings when it is ‘discovered’. Ensure the device is connected to the TV’s HDMI-Arc port (assuming that there is more than one HDMI port?)… and try ‘TV Setup’ in the Sonos App ‘Settings/System/tArc Room Name]’

edit:

The user-manual for the Vizio TV is shown here in this link (if required). The Arc port is HDMI-1: 

https://cdn.vizio.com/user-manual/PDF/2019/TV/UM/V405-G9_V505-G9_V655-G9_UM-ENG.pdf

Good news/bad news:

 

The good news is that the original HDMI cable that came with my Arc is working and my TV is recognizing the Arc. The bad news is now I’m getting a new error on the Sonos app: “Audio Out not connected” 

 

Picture attached

 

Longshot - Check to see if the TV has a software update available.

Perhaps just set the TV audio-out to either PCM stereo, or Dolby Digital (just to see if that gets it working).

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