Question about NEC (SPPL1067) Projector Lamp for MT840, 1040, 104

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Lamp brightness It appears that the projector is not as bright as it used to be - is this a bulb problem?

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Re: lamp brightness

Most projector lamps last approximately one thousand hours. Other possiblity might be the filter that has darkened due to heat.

Posted on Nov 27, 2005

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Canon LV-S1 projector keeps shutting down after a minute or less


1,Check the fans ,whether each fan is running,when you turn on the projector
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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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Do they make brighter bulbs for the LitePro 580 projector


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1 Answer

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


1, the lamp is ok
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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

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1 Answer

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


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1 Answer

Sony cineza vpl hs51 projector won't project


Something I found interesting from the internet - lamp life isn't when the bulb dies, but when a bulb has lost 10% of its brightness - so you might well be able to reset the timer and get much more use from the bulb - the image just wont be as bright.

The lamp may not have been changed - just the timer reset - How many hours has the lamp really done - 1000, 3000, 5000?
If you know that the hours are genuine, then was the quartz bulb contaminated with a touch of oil from skin contact?
This will substantially shorten lamp life, due to the quartz going milky and opaque.
The easiest way to check, is to pull the lamp and have a look at the bulb.

If need be replace the lamp and reset the lamp timer.

These instructions are for a Sony Cineza VPL HS3, but may be the same for the HS51
1st thing to check - is the cover properly/completely closed - this can stop the projector from working.
Connect the power and set the projector to standby mode.
Press these buttons on the remote control in this order, for less than 5 seconds each.
Reset - Left Arrow - Right Arrow - Enter

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1 Answer

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Hi there

I'm afraid this might be a faulty Mainboard.

Your lamp will never make the Projector show funny stuff on the image.

Must warn you that a new Mainbaord is quite expensive

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The bulb won't do that. What you're describing sounds like a light tunnel failure.

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ballast or lamp. if there are excessive hours on the lamp, that's the one.

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