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Viewsonic PJ506D-no power

No power-dead. Tested with known good power cord, fuse checked ok.

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  • kishubuti Jan 26, 2009

    You could be experiencing similar problem to me. I'd discovered it was the M51978P chip that was gone.

  • RogersAV Jan 30, 2009

    To Kishubuti- The powerboard in this projector is a LiteOn pa-5281-1c-lf . I cannot find a M51978P chip on this board or any board in the unit. There are 2 LM324ADG 14 Pin chips on the power board. Does your un it have the same powerboard?



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Power supply needs to be replaced. they will burn ouit if heat is excessive.

Posted on Dec 23, 2009


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Reset the lamp timer on PJ506d

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If not, there seems to be nothing else there.

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