Question about Mitsubishi WD-52525 52" Rear Projection HDTV
The color wheel on the set is bad and that is what is causing the buzzing. This unfortunatly is common.
It can be the lamp. But the color wheel and ballast can cause the same thing. Put your ear to the back of the set when you push the power button and you should can here the color wheel start up. If not, that is your problem.
Now if the lamp is not lighting up. you should here a ticking sound from the back of the set, if not the ballast is bad. If the lamp is coming on and then going out after only about 5 seconds AND you do not here the start up of the color wheel, the color wheel is confirmed bad.
Below is a link to the a service manual you can buy and have it shipped to your home if you want to try the repair yourself.
Posted on Apr 08, 2011
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Posted on Jan 02, 2017
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