Television and Home Theater

the main 5A fuse near the AC power cord blew. I replaced it and the TV comes back on but the picture is curved at the top and bottom of the screen and the convergence is way off. The picture is full width and sound it OK. The amount of "bow" in the top and bottom of the picture changes with the picture on the screen. Sometimes it is barely noticeable sometimes with a dark background it pulls in about ¼ of the screen. Anyone know what might be causing this?

My 2-yr old, playing around, screwed up my tv...now all I see is a black box that takes over 95% of the screen except when changing channels...but that's no way to watch tv!!!  Tried searching for problem..seems it could be closed caption related (if I understand this website correctly)..but the menu doesn't have CC choices?!! Any ideas would be greatly appreciated. Thanks muchly.

my sony trinitron tv (probably 15 yrs old,) is stuck in standby mode, and the light blinks continously, without stopping.  Is it worth fixing?, and how?