Just purchased the TSR700 from Costco to cut down on cables used with my previous Pio AVR that would not pass 4K through to TV. All eq (Sony 4K BDP, DirecTV, PS4, Xbox One) going into AVR and one HDMI out to TV (LG OLED) through ARC. Nothing but constant issues and need some help to figure out what I'm missing.\n\nStarted with tons of audio and video problems from handshake issues I assume. Lots of cable swapping, unplugging\/replugging, and power cycling. It's better now, but still having issues at times when switching from inputs within AVR.\n\nMain issue: When trying to use passthrough with AVR in standby to keep speakers off (only TV internal speakers on), I can get this to work, but various things trigger the AVR to come back on, or even activate the BDP. For example, I have passthrough working fine with DirecTV playing sound through TV speakers. Then I hit "guide" on the remote to go to the DirecTV guide, and the AVR turns on again. I've gone into the trigger setting of the AVR setup menu and tried different settings to stop this. Right now, I have it to Manual and Low. Not sure if this is right since these setting are not explained very well at all.\n\nAlso, when watching Netflix or Disney+ from TV to AVR, 4K is sometimes not recognized, and Dolby Atmos never shows on the display front of the AVR for Atmos programs. It comes up as DD or DD+ only. I only have a 5.3 (3 subs) setup, but Atmos should still read on the display front I would think as DTS X shows up on those enabled BD's. Speaking of DTS X, it is significantly quieter than DD or DD+. Is this common. I had to increase the volume quite a bit to hear better.