Question about InFocus ScreenPlay 4805 Multimedia Projector

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4805 shadow What is the best solution that has solved the shadow problem.

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Regluing the light tunnel i'm afraid. Not for the fainthearted.

Posted on Dec 19, 2007


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We have a screenplay 4805 by infocus. the right third has a dark shadow over the picture? the picture is lightly visible thru the shadow.

the light tunnel under the colorwheel has collasped or the projector has been jarred, knocking the mirror inside of the lens assy. out of alignment. Either way, it will have to be repaired by a technician.

Oct 03, 2010 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

A shadow on the right side of the screen from top to bottom

Something inside the unit is out of alignment in the light path

Apr 23, 2010 | InFocus ScreenPlay 4805 Multimedia...

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It has a shadow on half the screen

the light tunnel has collapsed. you can get the part from an infocus service center and do it yourself or send it to one for repair. either way, try av solutions in ny. they're really good.

Jan 18, 2010 | InFocus ScreenPlay 4805 Multimedia...

1 Answer


try ot clean the mirrors first if it didnt work check the light tunnel if it is misalign realign it or replace the light tunnel hoe this would helpo you thanks

Jan 20, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Knoll hd-102 projector

Let me start by saying that my projector is an InFocus Screenplay 4805, but that I have had the shadow you're talking about on the left foot or so of my screen for about 18 months now. I've researched it and found out that it has something to do with the glue holding something called a "Light Tube" in place heating up and essentially becoming liquid enough to allow this light tube to shift positions...the further out of position it gets the more of that "eclipse" effect you see on the screen. It sound like yours has shifted far enough that no light can pass through it at all.

Nov 08, 2008 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

---------->> My Infocus Screen Play 4805 -Popped*

Hello David,
The best way to find the best price is to do some hunting/research. Google "infocus 4805 lamp"
and wade through to find the best price.
You will find instructions on the lamp replacement procedure in the manual. If you dont have the user manual browse to and search infocus 4805 and on their spcifications page there is a "user manual" Acrobat PDF icon.
click on the icon to open the manual in pdf format

Take Care!

Jun 17, 2008 | InFocus ScreenPlay 4805 Multimedia...

3 Answers

Problem with my 4805 projector

Yes, you are describing a light tunnel failure and it can be repaired. The parts are available, I just don't have any on hand right now. I will be ordering more this week. The part is about $40.00 plus shipping. The repairs can be challenging if you are not experienced. The color wheel has to be removed to get to the light tunnel The light tunnel is very fragile and easily broken.

Mar 12, 2008 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

Glass prism


Thanks for contacting us regarding your product questions or concerns. It appears you are wanting to know how to reach the glass prism from your 4805?

My initial question would be, why are you looking to access the glass prism in your 4805? This is a very dilicate process internally of your projector which helps it opperate. Are you trying to self-repair your projector?

Let me know. I'll be waiting for your reply.

Dec 28, 2007 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Infocus 4805 problem

Make sure that the lamp plug is properly plugged. 3 flashes indicate this or a faulty lamp.

Dec 19, 2007 | InFocus ScreenPlay 4805 Multimedia...

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