what you describe is commonly known as a frame collapse.and is usually expensive and not worth the hassel. however there are plenty of tv repair men in local papers etc. and plenty will do free estimates. always worth geting free quote.
davecrawf
October 2009
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix televisions.