Question about Mitsubishi WT-46807 46" Rear Projection Television

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Power on, few seconds off

When i push power button on within a few seconds i hear a click in rear of tv then power goes off, then nothing.

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  • Anonymous Feb 03, 2009

    help i have the same problem what do i do ???

  • bigboypaints Feb 22, 2009

    POWER ON THEN OFF IN A FEW SECONDS

  • duderotomy Feb 26, 2009

    It begins to turn on and then after maybe 2 or 3 seconds decides to turn off again.
    I was hoping since it just decided one day to do this, that it might just decide to work again. But it has been about 4 days with nothing.
    Any ideas?


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Took it to the landfill today. Thanks for the reply!!!

Posted on Jan 26, 2009

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1 Answer

Tv turns on and back off


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.

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Mitsubishi rear projection tv.. 55 inch made in june 2003... will not turn on... no lights blink nothing no sound.. push button nothing happens.... looked in back not knowing what to look for or look at...


IF power light on front comes on for a second or two and goes off do the self check this set has:

On front of set when power light goes off, press and hold both the Input and Menu buttons at the same time for more than 5 seconds and release both buttons.


Power light should blink a two digit error code like: 2 blinks, 2 blinks, a pause and repeat the code four more times.


If this information helps and you want to know what error code found means rate this solution as very helpful and comment here and I will tell you what it means.

SD TECH

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1 Answer

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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

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if the lamp has dies alot of the time to can look inside the lamp and see if it exploded (not always) do you get blinking lights?

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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.

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1 Answer

Push Power button, green light goes on for a few seconds then nothing....


I would suggest taking a look at the power module if that can be replaced. The Fuse blowing may have only been the beginning of the problem. Any recent issues with under or over voltage in your home?

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