I can't figure out whats causing this issue but if the ps4 pro is connected directly to my XBR65X900c I get all resolutions and PS4 outputs in RGB and YUV at 4K with HDR.
But if I wire it through my receiver (Onkyo HTR693); ps4 pro says "HDR is not supported on your TV" and it automatically goes to YUV and RGB is grayed out ... but 20 - 30 minutes into netflix's 4k ultra or any 4k supported games screen goes black for a second and comes back and it gradually gets worse. I am running at 1080p and everything runs ok .... I have tried all settings posted online everywhere but nothing has worked.
I have the TV's HDMI 1 port connected to HTR-693's 'MAIN' port and my PS4 pro to HDMI3(HDCP2.2) on the receiver.
All the firmwares are updated to latest on all 3 systems.
Yeah, I called Onkyo and the support person said the receiver doesn't mention HDR so it probably doesnt support it. Onkyo support mentioned a work around which is to use ARC but I did that and ARC doesnt support Dolby Atmos, etc.
So, is there any other ways of getting HDR 4k via the receiver?
Yes, there is a way. I have the same receiver and a LG OLED 4K E6P tv and the way I get 4K through this is through the Samsung UBD-K8500.
It has a special function I have yet to see in other streaming media or 4K players and that is a dual/split HDMI connection. It basically allows you to split the video and audio signals into two separate connections allowing you to connect the video to your TV to get full 4K 60fps HDR with a 4:4:4 setting and the audio to the receiver to get Atmos, DTS and the other audio capabilities of this receiver.
The only downside is that the apps within the player (Netflix, Amazon, Vudu, Hulu, etc) does not support HDR which I think they might fix with a firmware. Nevertheless, you can watch full 4K on the apps with Atmos (check out the free Dolby Atmos test samples on Vudu) or the other audio signals. The ones that comes through the ARC through your TV is less superior audio than doing it this way (atleast it is with LG, it won't pass lossless). The only reason you would want to watch through your TV is to watch full HDR through the apps on your TV.
Of course, watching a 4K HDR disc will allow you to watch full HDR with the superior sound the receiver provides. So, I don't know if you found a resolution to this or not but try this and see what you think.
This receiver should be able to pass through 4K through one connection, the #3 Stb/Dvr slot. It just can't do HDR. I have my Roku Ultra connected to that and get true 4K with original sound.
Also, the split connection also exist in the Panasonic 4K bluray player as well but that's a bit more expensive than the Samsung.
Yeah, it was marketed as future proof 4K ready but that was a load of BS. Onkyo comes out with a new iteration for their current products every few months so they benefit from the quick obsolescence of their previous ones by limiting their connections.
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