Question about 3M MP 8640 Multimedia Projector

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3m S50/X50 - purplish hue

Hi,

We have a purplish hue showing up on screen. I work for the Illinois Department of Public Health. So far I have not been able to correct the problem. We are using the RGB1 connection as we always do and using the same laptop. There are 550 hours of time on the lamp. The filter has been cleaned. What could be causing the purplish hue and is there a fix for it?

Thank you.

Larry Hebert
Illinois Dept of Public Health
Illinos State Cancer Registry
larry.hebert@illinois.gov

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  • LarryHeb Apr 11, 2008

    Thank you this worked. In the meantime we finally got a hold of a support person at 3M. They also said use a new vga (rgb) cable. That fixed the problem. The older cable does get a lot of abuse, it is used in a conference room where it is connected and disconnected to different laptops. Over the 4 years we have used it, it finally gave out.



    Excellent help, thank you.



    Larry Hebert

    Illinois Dept of Public Health

  • Anonymous May 12, 2008

    Just got a second hand 3M MP 8640. I am noticing some purple hue and the colors are not vibrant. What could be wrong?

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  • 563 Answers

Hi Larry

Try using a different RGB cable , if this doesn't fix the problem you will have to get the Mainboard of the Projector either repaired or replaced.

Posted on Apr 11, 2008

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