Due to the cost you may explode but here goes.
www.samsungparts.com
shopjimmy.com
And of course ebay, craigslist to see if anyone has the same model but burnt out boards.
Bob
I have an internally cracked PN60F8500 screen just like everyone else, I realize it may be futile but who can I talk to? Can I buy a replacement panel directly from Samsung? Has anyone had success with them replacing the panel?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic