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Are you sure its a fan, dust out the fans.
If its not the fans you may have a power supply going out and causing some induction hum in the unit. Sometimes, but rarely, through the built in speaker.
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I have sort of the same problem...there was a loud snap(kind of electical spark like) then the unit started humming loudly which changes sound as you move the unit around. The picture remains clear and the fan is quiet in shut down mode...still the wheel you think?
It's likely the fan or the color wheel as both of these spin. I've given a suggestion for another user which in part may be applicable to you. It can be found here by using the search phrase- Blue tint on projector or by clicking my name and the appropriate topic.
Judging by the mains hum noise and now shaking it sounds as if a motorized component has broken.
Humming could have been the initial jam, then shaking the damaged part attempting to rotate.
Maybe check your cooling fan blades?
Please Check and service the fans and the Air filters. then check again. In case the noise still comes then service the fans or replace accordingly. By complete service of projector, this will work.
even if a fan spins it still can be noisy.clean all fans (i use a tooth brush).i also buy air in a can..(poundshop sells them).and spray them to clear any dust.when you have done that start the projector and see if is sorted...
Its probably the fan inside is loose, try cleaning the fan. or press the machine by your hand to where the sound is coming from, then you will know if there is a loose screw
Review Date Monday, 12th of September, 2005 -->
What's Hot User-friendly, built-in DVD player, high-throw ratio lens, fast power/cool down
What's Not Fan operation is quite audible, native resolution of just 480p
The Final Word A perfect coffee table companion
Notes
# This product is no longer available directly from the manufacturer. It may be
available in retail and distribution channels, or second hand. The price
displayed is the price at review time and the last available recommended retail
price.
The DV10 has a futuristic-looking outer casing and two internal
speakers located behind a silver grille mesh at the rear. Heat is
removed through its side ventilation and the internal fan has a noise
level of 27dB, which is comparable to a loud computer and quite
distracting when watching movies at low volume. At 368 x 117 x 273mm,
the unit is small enough to permanently and inconspicuously reside on a
coffee table.
this is from a review .
it sounds like that the fan needs to be cleaned the sound you hear is normal but if it sounds like its racein the moder might be on its way out if you have a can of air used to clean a key bored i would try to clean it out with that if not take it to a repair place to see if they could look at the moder
it is the color wheel i have a similar problem and am looking for the part, the color wheel is a small electric motor that spins at a high speed and it can go bad. which will lead to the horrible squeel/hum/buzz.
hitachi projector making a humming noise when turned on
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