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Wd-52628 bad lamp or bad ballast?

I bought a mitsubishi wd-52628 that came without a lamp, because they said it shattered. I bought a new lamp but I get code 34: Lamp abnormality. When I turn the tv on the lamp comes on for a second maybe 2, but then the tv shuts off with the solid red lamp light. I checked the voltage coming from the power supply to the ballast and got 325v; which should be 380v. How can you tell if the lamp is bad?

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  • Tom Fillmore
    Tom Fillmore Feb 03, 2010

    I got a RMA# from the seller I bought the lamp from. If I get similar results, do I assume the lamp is good? I have a friend who had the exact same tv, but was selling it and didn't want to "mess anything up." I asked if I could try my lamp in his tv and he said "no." I couldn't believe my ears. Now I've got this to deal with. I found a ballast on ebay for $50, so I might give that a shot if I have similar results with the next lamp.

  • Tom Fillmore
    Tom Fillmore Feb 03, 2010

    Thanks for the reply Ecollier2012. I was beginning to think no one with this knowledge would answer.

  • Tom Fillmore
    Tom Fillmore Apr 01, 2010

    So I used another known working lamp and I still get code 34. I'll look at power the power supply again after I get done remodeling my house. I can almost bet that will never happen, so maybe in a week or two.

  • Tom Fillmore
    Tom Fillmore Apr 02, 2010

    Since the voltage is low coming from the power board that has to be the problem, right?

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You cant - unless you have another tv to test it in. May be a ballast or the cooling fan for the lamp is not working.

Posted on Feb 03, 2010

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