Denon AVR-S750H causes Roku display on an older Sony rear projection tv to be zoomed in and off center. When I adjust the display resolution in Roku settings the screen goes completely fuzzy/scrambled.
What resolution is your projector?
Have you tried setting the Roku's "Display type" setting to the projector's resolution instead of the "auto" setting?
I have and when I do the screen goes completely fuzzy. Prior the display is so zoomed and off center that I cannot read all of the options on the screen. I bought a new Roku Ultra LT today and it worked at first and then when I went to watch again tonight it returned to the same problem. Makes me think it’s a 2002 Sony HD 65” to the stereo problem.