Stirring up this old pot. I have dozens and dozens of these Ultras out in the field and they have been very good. A few recently are giving occasional black or blue screen problems.
Brent informs me that the Roku is getting incorrect information, downstream, and popping into a video mode, higher than the downstream components can manage.
First inclination was for me to get a 1080P HDMI in-line emulator for a particular system with a 1080P plasma. Unsuccessful so far, but still working on solutions.
I may have more info later…
There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions.