Question about NEC VT470 Multimedia Projector

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NEC VT470 Projector New Lamp won't turn on even after a reset of Lamp Hours. Lamp type is VT75LP. However with a VT70LP lamp it works.

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  • triwestav May 01, 2010

    Thank you for your reply! It is much appreciated.



    After I was able to get another machine for testing I installed the new VT75LP lamp into it and it worked. After I reinstalled the lamp into the projector that it didn't work before and now it is working. I have now tried it several times turning off the lamp and after a while later went back and tried again and it is still working each time. Go figure!



    Maybe the lamp needed a good jolt and a burn in time for it to work, or the Ballast was acting up.



    Thanks again,



    Tony

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The lamps on these unit give about 3000 hours of use and will shut down.
New lamp replacement is needed.

Posted on May 01, 2010

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Dear Triwestav,
Since projector works with VT70LP, Therefore, the new lamp (VT75LP) which you have purchased is may be faulty... First ensure that new VT75LP is working well with another same type of projector....
99% that new lamp (VT75LP) is faulty, So if possible, replace the same with vendor and see result...

Posted on Apr 30, 2010

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