Here the 49 inch models or sizes nearby come in at less than 400 and repairs can run that much. It's all about how much the repair will cost.
My 47LG70UG tv quit working suddenly but the right front power button flashes on and off. It's over 10 years old. Should we try to fix or replace it? I've unplugged it and that hasn't helped. Any suggestions?

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic