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Most of these sets have a self check----if Green power light comes on for a few seconds and goes off on the front of the set press and hold both the menu and input (source) buttons at same time for at least 5 seconds and release both.
Power light will blink a two digit error code like 2 blinks, 2 blinks a pause and repeat it for a total of 5 times.
Let me know if you get a error code and what it is.
Unplugging power from the set clears the error code so if that has been done you will have to try to turn set on, let it fail and then do the self check again.
projection TV`s have many protective circuits in them, they protect
your CRT`s from damage, over voltage called x-ray, and many others, you
need to have it checked before the damage is more costly your TV is
not happy and needs to be checked
There are a few reasons that this could be happening first one is maybe the lamp died on you, Afraid there is no way to test this other than replacing the lamp. The second problem may be 5 capacitors on the power supply that hold the 12 volt line low and do not allow the light engine to start properly.
First thing you have to do is listen to how it trys to start, It should sound like this, first when you hit the power switch there may be a click then within five seconds the fans then a few seconds more you may here a sparking noise, if all this is happening then you most likely just have a bad lamp
A fuse is not your problem. this TV has a safty feture that when it senses a problem it cuts the power to prevent any fouther damage, when you un plug it the TV resets and it will turn on agian. I have the same TV Check the CRT light guns there are 3 of them. If one goes bad it will cause your problem.