I have a TCL QM8K and for the first months with my setup everything was working fine. I have the Beam Gen 2 connected to the ARC port of the TV and Play:1 as surround speakers. I was able to play movies with AAC 5.1 or 7.1 with no problem. Now the movies with AAC only plays as PCM 2.0. I have no idea if it was an update that caused this. I even downgraded my TV OS to see if that was the problem but it wasn’t. I have a huge catalog of movies and a lot of them are only in AAC multichannel. I don’t know what to do.
Answered
AAC 5.1 being played as PCM 2.0
Best answer by Stanley_4
I'm far,from expert on TV setups but I'll take a first shot at this.
Unplug power to the soumdbar and TV for a minute and power them back up.
Check the TV settings to make sure the output is set properly. See the problems section here
https://support.sonos.com/en-us/article/set-up-your-sonos-beam
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