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I have a Mitsubishi WD-57732 Tv and it went out tonight. The screen is black but we can still hear the sound and it has a steady red light on. What can be wrong?
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Sounds like you need to replace the lamp. An original Mitsubishi lamp will last 7 to 10000 hours. It's a no brainer to replace. Buy the lamp from Mitsubishi or a dealer. Do not buy one over the internet. Those are awful...
Hi,do you hear any strange noises? If you hear clicking or like wanting to turn on it could be the board that powers the lamp it's called the ballast.Here's the instructions to replace it for a samsung ,it works like your mitusibishi:http://www.fixyourdlp.com/guides/samsung/bp47-00033a.php The ballast has a sensor that detects when it's not able to power the lamp or if lamp is not responding,it will flash red when that sensor detects that.When you say: "it began to roll like the vertical and horizontal hold did not work
then the sound went out" Do you mean you where getting horizontal lines? If you did that could be the Dmd.his is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens. Usually when there's a green light it could indicate a problem with the power supply,sometimes some capacitors do go bad. Check all of this and comment on this answer to see how it went.
Lamp did not turn on at P-ON sequence
(No Lamp inserted)
(Disconnected cable between ballast and lamp)
(Lamp-Enable goes to DM but not to Ballast) It's related to the lamp.
Called a service tech, (for free)
he said it was probably the lamp, and it was an easy fix.
Just have to order the lamp and put it in our selves.
I will let you know if it works or not.
We were told the lamp goes out anywhere between 1000 - 2000 hours.
So we will be needing the lamp regardless.
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