Question about ViewSonic PJ458D DLP Projector Multimedia Projector

1 Answer

Will not power on...

Recently our ViewSonic PJ458D DLP just failed to do anything when turned on. It has an almost new bulb (only used for about 2 hours).

Theory: Power supply bad

Question: How can we get this out-of-warranty unit repaired? Does anyone do this service? Does anyone sell parts?

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  • David C Black Apr 11, 2008

    Not useful, and very amateur to say the least.

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1 Answer

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  • Expert
  • 563 Answers

Hi there

Simply search on the net for your nearest dealer and contact them

Posted on Apr 04, 2008

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1 Answer

Continuesly searching source but not detect vga


1, the interface of inputs is defective
or
2,adjust the resolution of the computer

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Feb 18, 2014 | ViewSonic PJ458D DLP Projector Multimedia...

1 Answer

Power led are flashing, but the lamp don't working


Hi
Please check the lamp & lamp cover .if o.k then suspected item color wheel or , main board or lamp ballst

Sep 02, 2010 | ViewSonic PJ458D DLP Projector Multimedia...

1 Answer

I press the power on and the lamp led not the


Hello :

Try to change the bulb .

Here is how :


1:Make sure that your power switch is off and that the power cord is unplugged from the electrical socket.
It is also wise to unplug any other cables and label them in order to restore them in the right way once the lamp is replaced.


2:In order to see the lamp, remove the access handle on the outside cover. You may need to use a screwdriver.

3:Pull out the used lamp and clean the relevant parts using micro fiber products and not paper.
Please note that in some projectors a small inside filter should also be replaced.


4:Insert the new lamp into the projector carefully avoiding touching the glass of the lamp itself.
Touching the lamp will deposit skin oil that will likely damage any new lamp during use.





5:Reassemble the access panel, replug the cables and power up the projector.

Things You'll Need:
new projector lamp
screwdriver
micro fiber duster
Warning:
avoid touching the bare projector lamp.

please rate !

Apr 12, 2010 | ViewSonic PJ458D Multimedia Projector

1 Answer

How to reset lamp timer on Pj458D


turn the projector on. open the menu. go to advanced. scroll down to the first option which should be auto source. make sure this option is checked. while on this option press right once, left twice, right 3 times, then left 4 times. another menu will appear. scroll to lamp time and push enter. this will take it back to zero.

Aug 17, 2009 | ViewSonic Office Equipment & Supplies

2 Answers

My Viewsonic PJ458D lamp not coming on


I have the same problem before. I found a replacement fan. A computer chassis fan works perfect. It should be 60mmx60mm - plenty in E-bay for about $5.00. Very easy to open the unit to replace the fan. It has 2 fans in a rubber housing. Check which one need replacement.

May 16, 2008 | ViewSonic PJ458D Multimedia Projector

1 Answer

Bulb doesn't light


yip, sounds very familiar
steve, does the pj lamp try to fire up.
does it briefly light up then shut off
these are the typ. symptoms of an expired lamp

Feb 26, 2008 | ViewSonic PJ458D DLP Projector Multimedia...

3 Answers

My ViewSonic PJ458D problem


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).

Nov 13, 2007 | ViewSonic PJ458D DLP Projector Multimedia...

2 Answers

Fan not working


This suggests the bulb is not correctly fitted. remove and refit- if required consult manual or bulb packaging to make sure this correctly carried out. come back

Jul 19, 2007 | ViewSonic PJ458D DLP Projector Multimedia...

1 Answer

Shrinking Screen Display


It can be a problem with teh bulb...you may want to make sure that the fan is not shutting down when you power off the projector becsue that may shorten the life of the bulb,...the fan should remain on for a while to continue cooling off the bulb....it probably won't hurt to have use another fan pointing to the projector while in use...

Apr 30, 2007 | ViewSonic PJ458D Multimedia Projector

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