Question about ViewSonic PJ458D DLP Projector Multimedia Projector
My ViewSonic PJ458D turn on but in 15 sec turn off, and i got some light but after 15 go off again.
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 Jun 25, 2008
I have the same problem, and cant find no answers, i just purchase a new bulb, and it is not come on, it use to come on with the old on, i put back in the old one to find out if the new bulb is the problem, but it was not, i got the same issue with the old bulb.
Posted on Oct 14, 2012
My pj458d ................i put it on and it cut off in 12 seconds wat is the problem
Posted on May 31, 2012
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Posted on Jan 02, 2017
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