Sony Videoscope Kp-46v15 Color Rear Projection Tv Problem With Picture On SONY VIDEOSCOPE KP-53V15... Can You Help?

Problem With Picture On SONY VIDEOSCOPE KP-53V15... Can You Help? - sony videoscope kp-46v15 color rear projection tv

I have a 60 "Sony KP-53V15 VIDEOSCOPE a friend. She told me that sometimes the picture changes to the color pink / red, I tried. By setting the menu on the TV (you do not have a remote control.) Colors are all good, except in photographs, etc., must be white is pink. Please, I try to understand what the problem is to fix a man came to my house and ask $ 1,000 for a TV device I've just.
Thanks