I’ve just uploaded this quick video comparing the Hama SCART switch box with one of those horrible push-in button SCART switches you see on E-bay. The difference in brightness was not as noticeable on the video as I hoped it would be, but hopefully it still proves the point.
Thanks for this video, very informative. I actually fried a SNES by using a BAD SCART switch, also my PC Engine magically turned itself on, as you explain why. I’m going to invest in a GOOD SCART switch pronto! Even in 2016.