Television and Home Theater

I have a Mitsubishi WT-46809 HD ready 1080i, with a 2-1 fault code that I have been told is an x-ray protect mode, and this problem could be the high voltage circuit, the horizontal sweep or drive circuit, bad capacitors in the power supply or the sweep supply, or the regulation in the main power supply. 

Zenith PVY6067DT Starsight - 1996

 60 inch  no picture no sound but the power on lights up

any suggestions?

My husband and I purchased this 56 inch rear projection tv four years ago.  We never had any problems until May of this year (07').  I called a referred service technician that charged me $85 just to diagnose that it was the IC convergence and wanted to charge an additional $400 to repair it.  At the time, I was short of funds but at least I knew what the problem was and how much it was going to cost to get it fix.  In the meanwhile, we were able to still watch the tv accept for the wave of colors going across the the top screen.  As of Sept.  I was finally abl