Question about 3M S20 Multimedia Projector

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My 3M S20 PROJECTOR HAS A BIG YELLOW SPOT - 3M S20 Multimedia Projector

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Seems like the blue polarizer is overheated. you would have to check out inside the optics to see if the light that enters the blue lcd is coming from the overheated glass plate just in front of it.

Posted on Apr 05, 2011

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Yellow line down one side of mp 8749 projector


the LCD panels is defective
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We have a 3M S20 multimedia projector which is giving off a pink light.


Try replacing input cable or recheck that it's seated properly. (loose/bad cable will produce similar symptoms)

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Screen is turning a pink/purple colour


Hi,

You should firstly test the projector using some alternative input sources, and using different cables to establish that the pink/purple tinge is consistent across all inputs.

If it is, then your projector is in need of professional repair. You should be able to contact 3m here who can advise who their local repair agent is.

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Feb 15, 2011 | 3M S20 Multimedia Projector

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How can i fix the yellow spot that comes up in the middle of the screen and when there is no video connected i see a blue screen


Yellow spot is mainly due to lense stain , so clean your lense from inside. it will solve your problem.

I think it helps. let me know.

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My 3m s20 projector has a big yellow spot in the middle of the screen even without a video signal. changing lamps did not help.


the polarizer on the blue lcd panel is fried due to excessive dust and heat. you may have to replace the whole optical engine.

Nov 23, 2009 | 3M S20 Multimedia Projector

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When turned on the projector has a pink spot in middle of the screen with old lamp and also with new lamp. 3M model number MP 8630


you have a fried polarizer on one of the lcd panels due to excessive dust and heat. may need to replace the whole optical engine.

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This is probably the polarizing filter. It will need to be replaced. It should not cost very much to fix.

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3M MP8725B Projector


apply any video signal from video in(yellow jack and yellow socket)if it is ok-change your vga cable-and confirm that input in pc mode.if no signal appear from video in also you must contact a good service center.

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