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Promethean Board lamp dim/brightness diminished; projector occasionally shuts off without warning, does the lamp need to be replaced? Or is it something else?

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1, the lamp is ok
2,the lamp ballast is ok
3,seems that the power supply or mother board is defective

We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color wheel,
motherboard, powersupply ... with high quality and competitive price.
any questions, feel free to contact me
have a nice day!
Jerry Lampdeng Limited

Posted on Jan 06, 2015

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6ya6ya
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Posted on Jan 02, 2017

  • 69 Answers

SOURCE: Lamp problem

Could be an overheat problem, check any fans and filters are not clogged with dust, lack of ventilation and cooling will trigger a safety shutdown

Posted on Sep 24, 2007

night71
  • 328 Answers

SOURCE: Promima pro av 9400+ light dims slightly

It may sound like the bulb needs replacing but first you should make sure that the outlet you plug it into has a constant 110 voltage. You may need to buy a voltage regulator to see if that works first. You can try a new outlet too. Sometimes other sources draw electricity from your wall outlet which cause the drop in voltage and poor lighting. Of coarse if that does not work, replacing the bulb would be the next logical solution. If your handy at opening it up, you could test the capacitors and connections for polarity and resistance with an ohm meter. Also check the current in the wall socket for constant voltage.

Posted on Nov 20, 2007

projdoc
  • 2236 Answers

SOURCE: The projection is very dim. I need to turn up the brightness

the fly-eye lens is burnt. there are 2 of them just inside the lamp housing. the first one may be fine, but the second one is probably burnt from overheating and needs replacement.

Posted on Aug 19, 2009

  • 150 Answers

SOURCE: I want to disable the lamp

That sounds dangerous. But why do you want to do that? Modern Projector ballasts are quite smart at being able to "read" the state of the lamp starting and running characteristics.I think it would be very difficult in tricking a power supply into thinking it has a lamp when it doesn't.

Posted on Jan 07, 2010

  • 1 Answer

SOURCE: my projector keep shutting down

how can i reset the lamp hours i am having same problem SHARPVISION XV-100

Posted on Feb 25, 2010

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Green light on prjector PRM 35 will not stop blinking and the projector will not come on


open the case, and reseat the ribbon cable at both ends.
5 screws on the bottom and 3 screws inside the lamp housing to open the case. Be careful not to break the 2 plastic clips in the back.
Also check the micro switch on the lamp door is working correctly.

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Not what you want to hear but this error means the lamp did not ignite. The most common problems I have had with projectors has always been the lamp itself, so if you have another or know someone with a good lamp try that first.

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I need instructions on how to replace the lamp in the promethean prm-25 projector


Make sure projector is unplugged and cooled down, lamp can be very hot
Remove the cover over lamp area
There are 3 screws in lamp unit (they have little arrows that point to them even) or check against new lamp to make sure you take out the correct ones
Pull straight up, place new lamp in securely and screw back down (screws are attached to each lamp set)
Place cover back over lamp area and screw closed
Reset lamp hours by hooking up your computer to board
Get to lamp reset screen
Press down up left right arrows in sequence then press return button in middle

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1 Answer

Flickering


Did you check your cable? if the connection is bad the image will flicker in and out.

Oct 24, 2012 | Promethean Board Lamp for PROMETHEAN PRM25...

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The image is very dim, even on maximum brightness. We are considering replacing the bulb, but bulbs for this projector are very expensive and we suspect that since there is some image, the bulb is not the...


Yes, as bulbs age they will begin losing brightness. Most projectors have a bulb life hour clock, that measures the number of hours a bulb has been used. Usually you can pull that up within the menu of the projector. Also that particular model has what is called "Eco-Mode" and when engaged dims the bulb by 25% to cut down on power consumption.

Typical life for a lamp in that projector is:

3000 hours on Normal mode
6000 hours on Eco mode

You can expect a brightness loss of 50% when you are approaching end of a lamps life.

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1 Answer

I have a Promethean Interactive Board in my classroom that is paired with an Epson 83C projector. The picture that is blurry. How can I focus the picture on the Promethean Board? Thanks!


the light is blerry ,
Pls check the lamp,(if it is bright enough )
check the color if it is correct and brite-colored (if the LCD panels is work well)
Have a nice day!
We supply original projector parts: lamp, bulb, Lcd panel, Lens, DMD chip, color

wheel,
motherboard, powersupply ... with high quality and competitive price.
Lampdeng Limited
Jerry

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1 Answer

NEC VT 480, replaced new lamp ,still low brightness.


if you remove the lamp, inside the lamp housing you will see a refraction (fly-eye) lens. these evenly distribute the lamp light. the one on the other side from the one you see (there are always 2 lenses) is probably burnt and needs replacing (a common problem with lcd projectors). you will have to send it in to nec. in many of their projectors, both lenses are in one assembly.

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1 Answer

The projection is very dim. I need to turn up the brightness


the fly-eye lens is burnt. there are 2 of them just inside the lamp housing. the first one may be fine, but the second one is probably burnt from overheating and needs replacement.

Apr 08, 2009 | Liesegang DV 410 projector lamp Projector...

1 Answer

Projector shuts off sporadically


need to replace the lamp. i could have diminished not as much to frequent on and offs, but excessive dust. it's heating up too much and shutting down.

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