My 16 year old step-daughter has had a tv in her room since she was about 4. Now when she goes to bed at night it has to be left on. If you sneak in after she goes to sleep and turn it off she wakes up and turns it back on. She doesn't sleep very well, and her grades are hurting. Since she lives with her mom there is nothing we can do, but when she's at our house we are constantly fighting to turn it off.
My kids had a tv in their room when they were little. They wouldn't go to sleep with it off and if I turned it off in the middle of the night they would also wake up. I finally took the tv out and we haven't had a problem since.
I think there are things that you can use. Like the lamps that spin around and make his room look like an aquarium or something. Make bedtime fun.
I really wouldn't go for the tv though. They honestly get addicted to it.