Sony big screen

I have a sony 65" rear projection modelKP65ws510
that wiil turn on and show a gray screen with some back round taht increeses in brightness for about 30 seconds and then the tv turns off it looks like the baulbs are fine for when it turns off a ball shows in the middle of the screen with the three colors and then the set completly turns off.The set is not even 2 years old nand was bought new