Hello, I’m Nathan, and I’ll be assisting you today. My livelihood depends on your positive feedback, so your satisfaction is my highest priority.
Sorry to hear you’re having trouble.
This is not a matter of resolution, but more likely an issue of formatting - your r2 discs will be PAL format, while the 1s are NTSC, and so is your tv.
Your old player was probably able to convert while the new one is not. I'm not sure if you still have the onkyo, but if you tested the new player on it, or even direct to the tv, I think you'll find the same issue. You'll need to find a setting (or a new player) that can actually convert pal to ntsc.
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I don't see any output setting adjustment on the dvd either - which just means it outputs the native format and relies on the tv to display it. The player isn't converting it at all.
Plug the dvd directly into the tv via hdmi (bypassing the denon) and let me know if it works that way, please.
And yes, the Denon does have a ntsc/pal format option that you can adjust, but it would be a bit of a nuisance to change it every time, though you can certainly try.
If the TV isn't PAL capable, then it wouldn't matter anyway though really.
Go into the denon setup under Settings, then TV FORMAT and set ntsc/pal