I could not think of a good heading of how to describe this problem. So unless someone can understand this it is hard to describe. I have a Sony 32" crt, with the Denon 550 dvd/amp. When watching a dvd every now and then the screen flicks from widescreen to full screen and back again very quickly, now this might happen once in the course of a film, sometimes it will do it more often and sometimes not at all. I am not sure if it does it at the same place in a film, there does not seem to be a pattern. Everyone in the house looks at me when this happens, expecting me fix things, and all I can do is shrug my shoulders... can someone please help me?