Can anyone help me out with fixing a fault on this projector. The
projector powers up fine and works for approx 5 minutes then shuts
off, fans still run then the light comes back on after approx 2 mins
and it goes through the cycle again. The bulb is fine and has been
replaced. Its not getting overly hot so i don't think its actualy
If anyone can offer some insight or has a service manual they could
email me, I would be very gratefull.
Thanks in advance,
I have the same problem
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Re: Compaq MP2800 DLP Projector
If the projector is not getting a source it might go on standby maybe check where you plug it in.
Projectors require quite a bit of power and should be on a single loop/outlet not hooked up to a powerbar with more things on it.
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This could be one of 2 things. It could have a bad color wheel or there is a setting problem in the unit. If the video mode is not set correctly like NTS or PAL it can give a black and white image.
The other could be your color wheel has failed. Did the unit make any noises before the color went out?
Some times the color wheels will make noises when the age before they crack or break from the heat.
I believen you can pull the lamp out and with the lamp out try and power the unit up, look into the little hole the lamp shines into and see the color wheel spinning. when you first plug it in and unplug it the wheel should spin and you should see the colors change. DONT TOUCH THE COLOR WHEEL they are fragile and can break easy. Some get more brittle over time from the heat of the lamp.
It is normal for the lamp's fan to start running , but should actually happen within 15 seconds of starting up. Try changing the lamp's fan and if the problem still persists then you will have to replace the Ballast ( lamp's powersupply )
I had the same problem!
The problem is dust on the color wheel. At side of the color wheel is a wire connector attached wit one small screw, with a cottom tip clean the small lens and surface, that's all.
Put the connector and screw and it will OK!!