Wow that is bad. It looks to me like the the horizontal section of the unit (red tube) is gone. I dont think the mainbord is going to fix this. Does it smell like anything burned? I would take a bottle of freeze mist for electronics, open up the back find the Horizontal amp section and blast all of the transistors, IC's and resistors, see if the pic changes or gets better. Be carefull not to touch anything in there because there are a few pretty high voltage components. It stings when you get bit by them (trust me I know).n If you don't feel comfortable doing that, it needs to go to a pro, it shouldn't cost you too much, prob 2-300 if you take it to someone.