Question about NEC Replacment Lamp Projector Lamp for VT470&VT670 - 3000Hrs Eco/2000Hrs Std 180W [ VT75LP

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NEC VT 470 projector won't work at all

Our school has a NEC projector VT470 and the lamp won't come on at all. It was "dead" when the teacher brought it in. So we decided that the bulb was burnt out and replaced the bulb. I have installed and even reinstalled the new bulb. It still doesn't light. The Lamp light doesn't even come on. I have it connected to a computer but I can't get the green light to indicate computer to turn green either. I turn on the projector and press power. At first I get a green light, next the status light starts to blink green but there it stops. after a couple of minutes, the status light starts to blink red and the power light is orange. What can I do?

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  • grandpafnw May 06, 2008

    Our school has a NEC projector VT470 and the lamp won't come on at all. It was "dead" when the teacher brought it in. So we decided that the bulb was burnt out and replaced the bulb. I have installed and even reinstalled the new bulb. It still doesn't light. The Lamp light doesn't even come on. I have it connected to a computer but I can't get the green light to indicate computer to turn green either. I turn on the projector and press power. At first I get a green light, next the status light starts to blink green but there it stops. after a couple of minutes, the status light starts to blink red and the power light is orange. What can I do?

  • Anonymous Mar 05, 2009

    Our school has a NEC projector VT470 and the lamp won't come on at all.
    It was "dead" when the teacher brought it in. So we decided that the
    bulb was burnt out and replaced the bulb. I have installed and even
    reinstalled the new bulb. It still doesn't light. The Lamp light
    doesn't even come on. I have it connected to a computer but I can't get
    the green light to indicate computer to turn green either. I turn on
    the projector and press power. At first I get a green light, next the
    status light starts to blink green but there it stops. after a couple
    of minutes, the status light starts to blink red and the power light is
    orange. What can I do?

  • aduet Mar 27, 2009

    I have the same problem my projector is connected to a smart board and like you i replaced the bulb. With the brand new bulb same thing. The fan starts and it runs for about 2 minutes the lamp never comes on and then 3 beeps and the power light turns amber/red. I'd appreciate any suggestions.

  • Anonymous Mar 13, 2014

    NEC VT 440

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Try pressing the HELP button. Don't release and press the power button. The LED lights should blink. Release then try to power on again.

Posted on Apr 18, 2009

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Hello Dear,

It seems like Your projector has a problem with Ballast unit, which ignites the lamp.

Check it.

Viren

Posted on Jan 21, 2008

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Everytime i turn it on it says to clean the filter. what do i do?

Posted on Apr 15, 2008

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1 Answer

NEC vt470 projector suddenly not turning on


I'm with Greg on this, I've had both of those problems individually on different VT4xx's (having both a number of them and a working knowledge of screwdrivers, figured out what was up by process of elimination). Sometimes bulbs die early - if it's really early you might want to see if there was any warranty period remaining on it - and the power boards in these projectors do sometimes break down. They were built in an at-risk period for having troublesome power capacitors installed into them, for starters...

If you are e.g. at a school which has several of these projectors issued to individual teachers, organise to swap the bulbs over between both your units and see which, if either of them, still work afterwards. If theirs was originally working, and after the swap, both are dead, you've got a dead bulb AND something else wrong with the projector, POSSIBLY but not necessarily that PCB. If yours then works but theirs doesn't, it's the bulb. And if there's no change, then both bulbs are good but your projector is toast.

And if it turns out that it's a projector fault, unless either you or an in-house tech can investigate and do the fix either for free or very cheaply, it's probably not worth getting it repaired. These models are really quite old and under-spec these days, and you can replace the entire thing with a brand new model of similar specification - with a working bulb installed! - than it would cost you to buy a single replacement bulb for the NEC.

Nov 08, 2012 | NEC VT470 Multimedia Projector

1 Answer

I have a NEC VT470 Projector. The power light is steady orange and the status light blinks red 6 times.


steady orange means projector in standby mode
red light 6 times is a lamp error.
either the lamp is old and wont start up or the ballast power pcb is not working.
can you hear the sparking of the high voltage trying to strike the lamp.
if you can then the lamp may be dodgy.
can you borrow one to test it out

Mar 02, 2011 | NEC VT470 Multimedia Projector

1 Answer

I have an NEC VT470. The projector shut down after the lamp finished. When I replaced the lamp and pressed the start button, the projector does not come back on.


Some of the NEC units have a standby status when the lamplife has exceeded its safe limit, the unit I had needed the off button pressing for up to 20 seconds to reset the lamplife and allow the unit to be switched back on. There should be info for this in your manual.

Good luck

Jan 14, 2011 | NEC (VT75LP) Projector Lamp for VT470,...

1 Answer

NEC NP200. Projector turns on initially but after 10 min. turns off. To use it you have to continually turn on again because it won't stay on.


I'm a techie with a school district and have the same problem. My suspicion is it's a lamp issue, though the teacher using it says there was no low hours warning. Unfortunately I don't have a spare to try out so if anyone can state categorically that it IS the bulb then I will purchase one.

Oct 01, 2010 | NEC Office Equipment & Supplies

1 Answer

Nec vt470 lamp does not come on. replace lamp, when turned on status light turns red and get 3 beeps. lamp does not come on.


If you replaced the lamp already, chances are the ballast is defective. When you power on the projector with the power button you should see a flicker of light in the lens, or an electrical sound. If you don't you ballast is bad.

Apr 19, 2010 | NEC VT470 Multimedia Projector

1 Answer

I replaced the bulb in my projector and now it


You need to hold the help button on the remote control for ten seconds, that should reset the lamp hour. NEC decided to make it inoperable after 2100 hours on the bulb.

Nov 13, 2009 | NEC VT700 Projector

3 Answers

I have replaced bulbs in 3 different types of NEC projectors: a silver, older model thta uses a VT60LP bulb, model VT595 and VT470. The lamp will still not work - the power and status light just continue...


I had the same issue, what I figured out was that I never removed the lamp door correctly, causing a small plastic piece to break off. To see if this is also your problem, inspect the back of the lamp door, top right corner, if it seems a rectangular plastic piece is missing, thats the problem. It presses in a small button nearby the lamp to let the projector know it's safe to power on.

I've attached an image to help out.ea22ca6.gif

Sep 01, 2009 | NEC VT695 LCD Projector

1 Answer

Ballast Unit


Hi,

Ballast is nothing but it is lamp power unit so here high voltage operating unit. While change the unit please check the voltage ratting and model. connector model and then replace.

Regards,
prakash

Apr 03, 2008 | NEC Replacment Lamp Projector Lamp for...

1 Answer

NEC VT47 Blink Sequence but not comming up.


If it is a lamp error try this:
When the lamp exceeds 2100 hoursof service, the projector cannot turn on and the manu is not displayed. Do the following:
For VT670/VT470 Press the help button on the remote control for a minimum of ten seconds.
For VT570/VT47 Press and hold the power and the exit buttons on the remote control simultaneously for a minimum of ten seconds. When the lamp time clock is reset to zero, the lamp indicator goes out. Hope this helps! :]

Feb 08, 2008 | NEC VT47 Multimedia Projector

1 Answer

Lamp not working


I had the same questions and decided to push power on and hold the help button as soon as soon as the power light came on. 10 secs later and the light was working again! Try grabbing a different NEC projector's remote, maybe it will have a help button.

Oct 16, 2007 | NEC VT470 Multimedia Projector

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