Rca 60

my rca home theatre projection tv model#p60752,chassis#ptk169 has sound,but no picture,the screen is blank and the menu options do not apear on screen.all 3 picture tubes have a light glow to them,but seems there not getting enough power to display a picture.the (what apears to be a resistor)positioned diagonally to the left side of the flyback transformer is blown.is this my problem.it is not located on the schematics.what is the blown resistors function and part#.any help would be appreciated