Question about NEC VT670 Multimedia Projector

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Infocus projector power supply parts

Where can I buy ballast power supplies/parts and/or schematics for my Infocus X2/X3 and Ask/Proxima C180 projectors (hopefully at reasonable cost)? I have several that have blown the internal fuse. Some have blown/shorted some output FETs, but still have problems. Some power up the projector, but won't strike the lamp.

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You won't find schematics for them. infocus had their boards made by someone else who now no longer makes boards. it's usually the caps drying out that causes power problems.

Posted on Sep 04, 2009

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Hi,this is Dainel, from guangzhou nianchuang elecrtonics co., ltd.

We can supply you projector power supply and any other projector accessories.

You can contact me to know more detail.
My email:nianchuang1@gmail.com
www.nianchuang.com

Posted on May 28, 2010

  • Dainel Huang May 28, 2010

    Hi,this is Dainel, from guangzhou nianchuang elecrtonics co., ltd.

    We can supply you projector power supply and any other projector accessories.

    You can contact me to know more detail.
    My email:nianchuang1@gmail.com
    www.nianchuang.com

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Hello, My Ask Proxima C410 has sat in storage


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ASK PROXIMA C180 no power at all


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My ask proxima c180 does not power up. I have confirmed the power cable is firmly inserted. When I press the power button nothing happens


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I need power supply for infocus 4805 screenplay


You shold buy 520-0143-00 ECA, POWER SUPPLY, X2 Use if S/N contains an A in the fifth from the right digit "AMMxxxxA0000" 520-0126-00 ECA, POWER SUPPLY, X2 Use if S/N contains a zero in the fifth from the right digit "AMMxxxx00000"

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if the lamp is new, it could be the power supply (the ballast is built in to the ps). but make sure you have the right lamp. the X1 and X1a have an sp-lamp-019 and the similar X2 and X3 have an sp-lamp-018. the lamps are almost identical except for the wire configuration on the lamp plug. make sure the wires in the plug match the positions in the socket. also, when you turn it on, if you don't hear a high pitch squeal, the colorwheel is not working. and if that isn't working, the lamp won't either. also check to see if the lamp door is closing properly and hitting the switch at the top of the opening.

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1 Answer

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the lamp is good for 2000 hours. it may shut down due to fan obstructions, overheating, or the colorwheel is bad and needs replacing. also, the power supply/ballast may need replacing.

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