Question about Mitsubishi WD-52627 52" Television

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Light engine problem?

The problem I am having now is, periodically, when the tv is turned on, a buzzing/crackling type of sound comes from the back of the tv and the lamp will fail to light up. Sound will be fine and the tv will shut down after a minute of no picture. Sometimes when the lamp fails to come on after the buzz, hitting the on button again will bring on the picture (no buzz). This is completely random. I have looked behind the tv when the buzz sound is present and I can see a light (not a spark but flickers with the buzz) from inside the vents up and to the right of where the lamp housing is. Thanks for your help, let me know if you have any other questions

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  • jhalpin Apr 14, 2008

    I ran the error code according to the service manual instructions and it came back with "34" "lamp abnormality". I know the "lamp" is good. Will this code cover a ballast problem also?
    Thanks for your help.

  • jhalpin Apr 14, 2008

    I found the actual part that is "lighting up/glowing" and making the buzzing/crackling sound. The photo is of the circuit board in the ballast assembly and the circled part is the culprit. Is this a resistor? Any help on identifying the part and where I might find a replacement part would be appreciated.
    Thanks!!!

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If your looking through the vent at the backside of your lamp cartridge if the sparks are coming from the right side thats where your ballast circuitry is on that small circuit board the wires may not be properly connected or you may need a new ballast let me know if I can help you any further but before you go any further since its a hard chassis to get apart you may want to consider getting a service manual if you do just post me a model number and I can supply a link for you and they also give free online tech support with the manuals

Posted on Apr 12, 2008

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