Question about ViewSonic PJ458D DLP Projector Multimedia Projector

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My PJ506D DPL Projector starts and stops after a few seconds

When I activate the projector it starts properly, I see my projected image on the screen and then after a few seconds of operation it turn OFF and the power light goes back to blinking green. I repeat the process over and over.

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It can be the problem of either the bulb or the colour wheel. how to replace the colour wheel with diagram and procedure
http://www.jangro.com/a/2006/07/24/samsung-dlp-replace-color-wheel/

how to replace the lamp in 5 minutes with diagram and procedure
http://www.jangro.com/a/2006/08/03/how-to-change-your-samsung-dlp-lamp-in-5-minutes

 

Posted on Feb 22, 2009

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This is known as 'cycling' and is common with mercury-vapor bulbs nearing end-of-life. When the bulb first starts, it glows dimly and grows in brillance. As the light grows, the pressure and temperature of the bulb also grows--increasing power demand. After a short while, the demand exceeds the ballast limit and the bulb extenguishes until the temperature (and pressure) drop again. Then, the cycle starts over. Bottom line: you need a new bulb (or, the correct bulb).

Posted on Feb 22, 2009

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Please visit below URL and download viewsonic projecter drivers for your Imac.

http://www.viewsonic.com/products/projectors/pj506d.htm

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Sharper Imaage


This is an SVGA projector with a max resolution of 800X600. Even though it can accept higher resolution signals, they are scaled down to 800X600 which causes degradation and artifacting of the displayed image. Obviously setting your computer's resolution to 800X600 will result in the best image the projector is capable of. Standard definition video (480i, 480p, S-Video or composite) signals should also display very well. High definition signals like 720p and 1080i get scaled down to 800X600 with the same issues as a higher resolution computer signal.

One thing that can have a dramatic impact on the quality of your display if you are using Windows XP or Vista is tuning your ClearType settings here:

http://www.microsoft.com/typography/ClearType/tuner/tune.aspx

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