Question about Dell 1200MP DLP Projector

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DELL 1200MP projector problem

I have the 1200MP Dell Projector and I love it, but now that i've hung it from my ceiling in my classroom (it's on a platform flat surface) it is not wanting to work with me....

Here is my problem.... The lens is pointing up and the screen is displaying on the ceiling. There is an option in the menu that makes it go down a bit but only like 30 percent down.... i need this to be on my screen that is on the wall obviously and i am so frustrated because no one has been able to help me so far!!!

Please help me!!!

Posted by lilmisse on

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I don't know that particular model, but usually these are hung u pside down and the projector can flip the image. That should take care of it. Also, depending upon the angle to the screen, you may need to adjust the "keystone" as well. That will allow the final picture to be square as if the projector was at the correct angle.
Dan

Posted on Apr 17, 2008

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Why won't my Dell 1200 mp project color anymore?


Marty Harding, Click the link below to download the online manual for the projector. The projector provides information on operating, troubleshooting and resolving issues with the projector.
http://dell.to/1OYzwEK
Thank You,
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Changed bulb on the 1200mp and when i turned it back on the bulb came on showed the dell logo and then the temp light came on after this the projector went into stand-by mode. when i restart it does the...


Just went through this issue with a 1200MP. The cause of the failure was a failing optical speed sensor on the color wheel assembly. It overheats and produces an invalid signal shortly after startup, causing the projector to shut down. The good news is that this is a $2 part. The bad news is that I wouldn't really call this a "DIY" repair unless you have the ability to unsolder and replace tiny surface-mount electronic components. You will also have to do extensive disassembly just to get at the part, which is buried inside the optical system. I am a professional electronics tech, and removing/replacing the part took me about 2 hours on a fully-equipped workbench. Troubleshooting the unit to FIND the failed part (without any service manual or schematic) took another couple hours, FWIW.

If you want to give it a try, the part you need is a GP2S27 "photointerrupter" manufactured by Sharp. These were discontinued a year or so ago, but some distributors still have stock (get them while you can). I got mine from DigiKey. This is a tiny little part about the size of a match head, with 4 terminals that need to be soldered onto a small circuit board, after removing the old part. You will need a steady hand, a fine-pointed soldering iron, and a magnifier with plenty of light.

Good luck!

Aug 22, 2011 | Dell 1200MP DLP Projector

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I have had my dell 4210X ceiling mounted projector / smartboard in my classroom for a few months. In the beginning I could turn everything on and use the blank screen option throughtout the day. ...


Have you checked the air filter for dust etc

what leds come on as it shuts down.
I suggest that you take it down and run it on the bench normal way up and see what leds come on etc

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I work at an elementary school and the multimedia projectors are hung from the ceiling (a suspended ceiling) in a wooden tray and hanging by chains. Is this a wise choice?


First suggestion is checking to make sure that the tray/chains are secure - that it's not going to fail at at a point of connection either at the ceiling or point where the chains fasten to the tray. The tray must be strong enough for the weight of the projector (most InFocus classroom projectors are not that bulky and heavy).
Hanging anything with weight from the suspension ceiling braces is not recommended. If possible, having the wire/chain continue thru the ceiling panel (a small inconspicuous hole can be made through the panel) up to actual ceiling joists or whatever material the ceiling system itself is fastened to is best & the most secure. I've used steel aircraft cable (available at any Home Depot or hardware store) in place of chain, partly because it only requires a small pencil-sized hole thru the ceiling panel, hardly noticeable.

Most hanging fixtures (theatrical lights, projectors, etc.) have a secondary/backup safety cable or strap system should the main fasteners fail. In this case, if the tray and ceiling connection is secure, a safety strap holding the projector onto the tray so it's not sitting up there loose or able to be knocked out at all should be used. This also will help keep the projector's aim aligned to your screen should something bump the tray, you won't have to readjust it. (See this link attached for an example of a strap securing a projector).
(In all cases, if you have a building or school district maintenance administrator or someone who's job description requires them to be aware of state or district safety regulations/OHSA rules, they should be consulted to make sure you're following any safety issues that may apply specific to your classroom/student needs.)

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Hi.

If you have a replacement cable test the DVD using a different cable, you never know.

Try the following:

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If it still does not work , then there may be a fault.

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Hi jezzwhizz

You'll see that at the back of your Projector there is 2 VGA ports 1 in (normally blue) and 1 out ( normally grey ).

You are most probably using the grey one , switch it to blue.

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