zOOyOrK: I have also tried a brand new ps3 cabe, and also another cable the same as the one i have already tried
Wait, PS3 cable?
Have you selected the correct video output settings on the PS3 menu?
Have you tried bypassing the home theater system, and running the PS3s HDMI straight into the TV? then run a separate optical digital into the home theater
I've had no issues with either the fat, or thin PS3, or Xbox360 for that matter, on the 2010 4 series, 5 series or 2011 D6000/6003