Television and Home Theater

hello, I have a sony bigscreen projection tv model kp-51ws510 with huge problems with "convergance" problems I think. When you look at the tv in the left hand top corner its extremly bad. Also any words going across the bottom you can read but it is really blurry. Almost looks like it should be in 3d. I have no expience with TVs but really dont want to buy a new one. It is only 3yrs old.  Please help

Picture is too dark. When i go to menu and adjust the picture and brightness settings, the background is too bright eventhough the picture is very clear and colors are nice. Is there something in service mode that can correct this (maybe contrast for instance). I dont know very much about some of those settings and I dont want to mess with them since I finally fixed red screen,conveyience,and focus problems.Any solutions?

I can darken the screen and everything looks good but it is too dark of a picture if that helps.

i have a problem with a red wave in the middle of my tv should i bring it in or should i get a new tv