Question about NEC VT47 Multimedia Projector

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NEC VT 440 Projector noise

My projector's fan started to make a loud noise like it is rubbing against something. how can i adjust it or do i need to bring it to a shop?

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The unit needs to be opened and have the fan checked. If it is out of warranty and you are capable you should be able to access the fan quite easily. It may be rubbing against something or it may have contaminants inside and needs to be replaced.

Posted on Aug 31, 2009

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Hi, you probably have something rubbing against the fan or a faulty fan. To investigate, you'll have to open up your projector and look at the fan.

To start the process, you'll have to remove the cover of the unit. I just opened my Sharp xr-10x DLP projector today, which had no power, no lights, no functions. A previous post worked for me...Remove the 6 screws on the bottom of the unit (you'll need a longer phillips) and the two screws on the back, toward the top of the unit. Obviously, be sure to keep these handy for reassembly (I have two curious dogs and a 4 year old to contend with). Then, to remove the housing...use a std screwdriver and slightly pry the cover off from the rear of the unit. This should losen allowing you to pivot the cover forward and then off from the projector lens. Once removed, look toward to rear of the projector...the fan is located here...it's a small unit that vents out the rear. Before removing this, check to see if there is any debris in the vent area that will be need to be removed. If you need to remove the fan, you can do so with the screws attached to the fan unit. Once this is done, you'll be able to plug the unit in and see where the noise is coming from. If it is from the fan unit itself, you'll have to order a replacement from Sharp. Just contact their service/warranty dept and tell them the make/model and they can obtain the part for you. At this point, reassemble the unit by reversing the above instructions. At least your projector should work while you await a replacement part to arrive.

Good Luck...Hope this helps you out.

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