Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Lamp Light comes on afer 90 seconds

II am trying to troubleshoot my 52". 90 secinds after I turn it on the "Lamp" LED comes on and glows red. Ihave replaced the lamp but the same thing happens. Unit is out of warranty so I would like to repair it myself as an edcational project. Any suggestions? I have user manual and service manual but they are not very explicit beyound the basics.

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If you get a pix in the screen and then it goes away I will check the fans and make sure they are running ,it should have at least 2 and one of them should be cooling the lamp,if you never get a picture and the led glows after 90 seconds you might have a ballast problem,the ballast is the board that powers the lamp and it receives voltage from the power supply to strike the lamp.Be careful when working in the back.

Posted on Sep 25, 2006

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Posted on Jan 02, 2017

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