TCL 6 Series - High Pitched Noise From LG Soundabar After Stopping Playback

Server Version#: current stable
Player Version#: current ROKU Stable

Got a weird one…but aren’t they all? I just purchased a TCL 75" w/ Roku built in. I had some issues with the TV being able to auto select the audio features that my LG 2.1 had available. Quickly resolved that by manually selecting the type of Audio it could handle. Tedted YoutubeTV, WWE, and DAZN - works perfectly. Plex is also OK, except for one wonky issue. When I stop playback of any video file, or st least all that I’ve tested so far, a persistent high pitched noise comes from the soundbar. This persists between apps, including Plex. The only fix is to turn off the TV, then all is well. I’ve tried researching but nothing similar pops up.

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