Streaming apps not working when digital output is set to passthrough


Standard Member
I have a TLC C725 50" Android TV and a Samsung 5.2.1 soundbar connected via eARC HDMI. Problem is, if digital output is set to Auto, I get a 1 second delay on everything, and the audio delay setting does nothing (and the soundbar has a audio delay setting that only goes higher in numbers, which makes the delay worse).
If I set it to passthrough, the delay is gone. But if I try to stream a video on Netflix, after a few seconds both audio and video start going very slow, like slow motion. Disney Plus refuses to even play any video. Videos start playing but immediately freeze.
So what's going on? Is it a faulty TV set? Is it a bug? Having tried everything, I'm currently at a loss.
I do have a Fire TV 4K that has a audio sync utility, but then I lose Atmos on Netflix.
Thanks for any help.

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