Hello my name is Eric,
Welcome to Just Answer
I can help you with this issue,
Just need to know if you are wanting a quick fix ?
Or the technical description of whats wrong with your TV?
Please tell me:
The exact model # ?
And what number best describes you ?
1. I just want to know what to expect a repairman to charge me,
2.I want to try pushing buttons and checking connections
3. I will open the TV if needed, but have limited tools and skills
4. I have technical skills and have a soldering iron and or voltmeter
If you have more questions you can still respond until this post expires,
I will reply asap
Most likely the lamp is the problem
To buy one click here
Check to make this is the correct lamp for your model.
If your TV is a DLP and you need to know where the lamp door is ,
Please post a model number
The lamp I linked above apears to be the correct one for your model
Here are some photos of the lamp door
Best of luck