Currently running my xbox through component cables as my slim broke and using my old 360.
Now when I go to change my settings from 480p to 720p the screen flickers and updates to the higher resolution. The screen asking me if I want to keep these settings and if I do it will test them on 50hz comes up. Whenever I choose yes to keeping the settings the screen once again flashed but I am reverted back to 480p. The same thing happens when I choose 1080i, screen flashes, shows hd resolution but when I choose yes to keeping the settings my xbox reverts back to 480p.
I have used component cables in the past on this tv and have had no issues whatsoever so I'm not sure what the problem is.
Hopefully someone can shed some light.