Will not turn on

SOURCE: 60P8341 Rear Projection - Remote does not work

I PUT MY TV IN THE SHOP AND THEY REPALCED THE SYSTEM CONTROL CIRCUIT. MY UNDERSTANDING WAS THE EPROM. THE PERSON I GOT THE TV FROM HAD IT IN THE SHOP TWICE FOR THE SAME PROBLEM BEFORE I GOT IT. KNOW THE REMOTE WORKS WITH NO PROBLEM.

SOURCE: Screen's gone blank and the green power button flashes intermittently

This is the way how to examine what's wrong with your LCD monitors. After you turned it on and the screen stopped working, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,

SOURCE: its not turning on

On the off chance that your TV is having the same problem that mine had, read here for my repair.

-John

SOURCE: TV set self turn off after few seconds

my tv will not come on

SOURCE: Set will not power on.. Blinks red LED 8 times

It's a power supply related problem.
The flashing 8 times is a trouble code. A Service Manual for your TV model will have the info on the codes. It could be a bad capacitor or a transformer on the power supply board.If you have some electronic experience, you can find a Service Manual for your TV over the internet. Cost about under $20.