But the symptom of cold issues is one of the well discussed, millions of posts about so many electronics that you can do more research but I will not write any more about BAD CAPS.
Bob
Sony KDL-46XBR4 manufactured April 2008
When turned on the screen is full of lines, affecting menu displays as well, different inputs and input types tried.
http://imgur.com/Gf3abHJ.jpg
If left on for a while it will improve to partial clarity
http://imgur.com/8x0Z8Tf.jpg
If left on longer it will look fine. I switched it from the surge strip it's been on to a non-grounded connection, no improvement. Any guesses what may be the cause and the approximate cost to fix that issue?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic