Question about Dell 1201MP Projector

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The projector only displays in black and white...Perfectly. When I opened the bulb chamber, there was small pieces of broken glass. I changed PC's to ensure it was not an input problem and still no result. The lamp and temp indicator does come one when I first start up the machine but goes off in about 5 secs. Your help is appreciated.

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Basically the first thing for you to check will be the color settings. Try to adjust the color settings as the color may have been adjusted to the lowest.
Also try using an alternative cable to connect the projector often times these cables cause untold problems and make you spend lots of money for problems which do not exist.
Finally if your unit has NTSC/PAL compatibility switch check it.
Hope this solution has been helpful?

Posted on Oct 03, 2010

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Posted on Jan 02, 2017

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1 Answer

How do I get rid of the dark shadow across the top of the screen?


This is actually a fairly common issue with the NEC projectors, especially if they are mounted from the ceiling (upside down). The problem is the compartment immediately after the bulb. What happens is the 'paste' they use to adhere the glass prisms to it's plastic component wears off overtime due to the immense heat from the bulb being projected onto it. The glass prism piece ends up leaning against the bulb compartment creating the annoying 'shadow'.

Heads up; you will need to take apart almost the whole projector. You'll need to expose the mirror array to get to the compartment just after the bulb. Once you've dissassembled the projector down to the mirror array, take out the problem part. It's a small black plastic cube frame that's held in by a screw and has 3 glass/plastic prism pieces. Looking down at the disassembled projector, you may not be able to see the glass/plastic prism pieces but I can assure you that it is the small compartment immediately after the bulb compartment.

Once you've identified the component and taken it out, you'll see the prism piece(s). The problem prism is the one that sits closest to the bulb and it was either slightly loose or had fallen off completely. Please note that there is another one of these exact prisms on the other side of the assembly you pulled out just behind the plastic looking prism. This secondary one come loose very rarely but if it does, you'll need to fix that too.

The Fix: Since the component is going to be exposed to immense heat again, you'll need to buy an adhesive that can withstand that heat (think at least a few hundred degrees for safety sake). I bought the JB-Weld Steel Reinforced Epoxy since it can withstand heat up to 550F. Make sure you read the instructions before starting. An added suggestion is to scrape all the old residue from the old adhesive off the component and prism(s) first, then scratch some grooves into the connecting pieces and apply the epoxy/adhesive. Do not scratch up the actual prism itself; scratch the 'extra' glass on the prism piece where it will connect with the plastic component. The grooves help the epoxy bind to the pieces and I highly suggest this since I've had to re-do a few in under a year. Let the epoxy set for a good 24 hours before putting the projector back together.

Nov 03, 2014 | NEC NP400 Projector

1 Answer

Many little white dots scaretered throught display


Yes you have dust particles inside the light chamber.
Remove the filters and clean them gently with a vacuum cleaner.
Used a compressed air can to blast air into machine and have vacuum (on Low) **** up dust.
You may have to take out bulb to do this (dont touch the glass on the bulb)


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Please dont forget to vote this answer was helpful

Many thanks

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Feb 16, 2011 | BenQ MP515 DLP Projector

3 Answers

Optoma EP719 projector broken circular glass disk


The piece that's cracked is called a color wheel. I spoke with the parts department at optoma and they want $300 for a new color wheel for my ep 732h projector. I'm not sure if it's the same part but you can contact optoma on their website and they'll get back to you with a price quote for that part.

Jan 16, 2010 | Optoma EP719 XGA DLP PROJECTOR 2000L...

1 Answer

Color was working fine, now display s in black and white.


the colorwheel need replacing. are there pieces of glass rattling around in the projector? it may also be a setting. reset the settings to factory default. if it doesn't change, the colorwheel is shot. you'll need to get the part from or send it in to an infocus authorized service center. try av solutions in ny. they're pretty good.

Oct 31, 2009 | InFocus ScreenPlay 4800 Multimedia...

1 Answer

Infocus X2 projector shows picture in black and white only...


that little glass square broke off of the colorwheel, and it needs to be replaced. that yellow/gray line is from the light tunnel collapsing. both parts can be purchased and replaced by you. if you don't feel comfortable doing it, you can send it in to an authorized service center. try av solutions. they're pretty good. you can purchase infocus parts from them, too.

Oct 27, 2009 | InFocus Office Equipment & Supplies

1 Answer

My InFocus 4805 SP projector is showing just black and white


If you have any video at all and it's only Black and white there is a 99.99% chance that your Color Wheel has lost all of it's glass color filters.
You can confirm this by removing the lamp. then look straight into the projector where the lamp was and you should see the color wheel of colored glass segments (Red, Green and blue) I believe you won't see them because they came off of the wheel.
Also if you lift up the projector and turn it around in various angles and you will hear the small pieces of broken glass from the color wheel.
Unfortunately you will need to take it to an authorized service center for repair. Be prepared to spend upwards of $300 for the repair.

Cheers

Aug 23, 2009 | InFocus In Focus SP-LAMP-021 Replacement...

3 Answers

Green Screen


Not bulb related, it is related to the i/o board on the back of the projector. Something is shorted or making poor connection

Apr 29, 2009 | Dell 3400MP Multimedia Projector

3 Answers

I heard a pop and now the projector only shows black and white.


The color wheel has failed in youtr projector. There are 4 pieces of glass in the color wheel which fit togeter in a "pie" formation and they are red, blue, yellow & clear. This wheel is spun by a motor. The glass is glued to the motor's hub, and, when it fails the glass segments are thown off the hub. This gives you a B&W picture because all of the light is allowed to shine through the optics all of the time. Replace the color wheel with Toshiba part no: 23125963. It will be about $65. No soldering is involved, just use care with the ribbon cable to the motor. You will need a no. 2 phillips screwdriver and a set of jeweles screwdrivers to do this.

Nov 25, 2008 | Toshiba TDP-T45U DLP Projector

1 Answer

In24in26


If you're getting a black and white image with or without source, it's probably the color wheel. Do you hear anything loose inside the projector? if you do it's the glass fragments of the broken color wheel.

Jan 06, 2008 | InFocus LP70+ Multimedia Projector

3 Answers

CRACKED


The Stress of impact on the imaging forming unit that is directly behind the projection lens has a flat glass surface. If it is cracked the stress cracks would project with any image because they are on the same plane as the image

Nov 22, 2007 | BenQ MP610 Multimedia Projector

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