Question about Dell 1200MP DLP Projector

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I replaced the lamp in a Dell 1200mp projector and now it won't turn on. What might cause this?

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Posted on Jan 02, 2017

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DR NITIN
  • 221 Answers

SOURCE: 1200MP DELL Projector flickering problem

You should not try it for yourself, Call a Professional instead.






Posted on Jun 26, 2008

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  • 1 Answer

SOURCE: I just replaced the lamp

I have had the same problem. When I unplugged the projector and plugged it back in about 5 secs. later, it seemed to work. Odd, but true.

Posted on Mar 16, 2009

ginko
  • 19396 Answers

SOURCE: dell 1200MP works with PC but not the DVD player,

Hi.

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

Try the following:

  • Unplug both projector and DVD from power.
  • Keep units connected together by video cable.
  • Connect back and restart the DVD first.
  • Restart the projector only once that DVD is ON.


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

Posted on Nov 09, 2009

  • 38 Answers

SOURCE: problem with my dell 1200mp projector

This is a very common problem with these projectors. The fans lock up and the units are out of warrenty. The fan you replace it with must be the exact same as the old one, even though it is the same as a 5$ computer fan. The processor will detect the non-dell fan and shutdown in the same way. I Havent been able to find any replacement fans that will work. I may be interested in buying your broken projector from you if you give up.

Email me at: nalexandrov251[A-T]gmail.com and we might be abe to work something out.

Posted on Dec 08, 2009

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1 Answer

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,
Dell-Jesse L

Mar 06, 2016 | Dell 1200MP DLP Projector

1 Answer

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

1 Answer

My projector lamp is ok .but once we on the projector it comes then with in 2 mines its going to off.what is the problem


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!

Apr 17, 2011 | Dell 1200MP DLP Projector

1 Answer

Dell 1200MP works with PC but not the DVD player,


Hi.

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

Try the following:

  • Unplug both projector and DVD from power.
  • Keep units connected together by video cable.
  • Connect back and restart the DVD first.
  • Restart the projector only once that DVD is ON.


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

Nov 09, 2009 | Dell 1200MP DLP Projector

2 Answers

My remote won't work on my Dell 1200 projector


remote wont click to next page on Powerpoint presentation

Mar 05, 2009 | Dell 1200MP DLP Projector

2 Answers

Problem with my dell 1200mp projector


if you haven't already try cleaninig the filters

Aug 22, 2008 | Dell 1100MP Multimedia Projector

3 Answers

1200MP DELL Projector flickering problem


You should not try it for yourself, Call a Professional instead.






Jun 26, 2008 | Dell 1200MP DLP Projector

1 Answer

Dell 1200mp


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.

May 06, 2008 | Dell 1200MP DLP Projector

1 Answer

DELL 1200MP projector problem


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

Apr 17, 2008 | Dell 1200MP DLP Projector

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