Hi Marcus,

While I'm happy to be corrected by someone, my understanding is that the HD621 relies on the source (e.g., Bluray player) being set up to output 5.1 or 7.1 PCM and I don't think that a TV would 'pass thru' that multichannel PCM from the Bluray player.

Brian

Main: G65, MD600 Sooloos, MC200 Roon Core, MS600, 210, 218, UHD722, DSP5200SE, DSP5200HCSE, M6 & DSW.2
System 2: AC200 MS200, WiiM Pro+, M6.
Other: DSP5000 (96/24v1), DSP3300.