Question about InFocus ScreenPlay 4805 Multimedia Projector

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I am using 4805 model screenplay Tunnel Problem...is show both side dork shade in the pitcher problem 1 how to repair by my self 2how much it will cost inr 3any authrised service center in chennai india

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  • tmanlayer May 14, 2008

    dark shadow with greenedge on rt. side of creen and curved one in upper lt. corner

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I am using Hitachi LCD Projector Model CP X 380 ( Multimedia Mobile LCD Projector. It's not working, Would please lrt me know service station in chennai.

Robert Thankaraj

Posted on Apr 30, 2009

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Dark haze left side of screen about 4 to 6 inches wide only in the wider screens not in the native


Its a Light Tunnel failure. Go to www.avsforums.com and search for 4805 Light Tunnel. There are instructions to open the PJ and repair the Tunnel. Also, I posted a DIY replacement option in lieu of fixing the very fragile tunnel.
http://www.avsforum.com/avs-vb/showthread.php?t=1304694

Jan 02, 2011 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Half of the screen is dark. Tried a new bulb wilth no effect


Sounds like Light Tunnel Failure. Very common. Biggest problem is that a replacement part is almost non-existent and a manufacturer repair is expensive.
You can get further details on the problem at www.avsforum.com. Just search for "4805 Light Tunnel" and you will find threads about DIY repairs.
I also recently posted a DIY Replacement thread for anyone willing to make their own tunnel:
www.avsforum.com/avs-vb/showthread.php?t=1304694

Nov 24, 2010 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Starting to get an orange shadow on the right side of picture


If you have not already found out, your problem is Light Tunnel Failure. It is common and can be corrected DIY. Replacement part is nearly non-existent and manufacturer repair is expensive.
For additional info go to www.avsforum.com and search for "4805 Light Tunnel". You will find threads about the problem as well as fixes. I also posted a DIY replacement option as well:
www.avsforum.com/avs-vb/showthread.php?t=1304694

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

2 Answers

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

Left side of screen has shaded area as if something came apart and is blocking the projection of the media


If you have not already found out, your problem is Light Tunnel Failure. It is common and can be corrected DIY. Replacement part is nearly non-existent and manufacturer repair is expensive.
For additional info go to www.avsforum.com and search for "4805 Light Tunnel". You will find threads about the problem as well as fixes. I also posted a DIY replacement option as well:
www.avsforum.com/avs-vb/showthread.php?t=1304694

Sep 06, 2010 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Right verticle image shows, but shaded black


the light tunnel has collapsed and needs to be replaced. you could get the part and do it yourself. check out the tips section on my fixya page.

Feb 28, 2010 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Projector makes wierd noise and shuts down after several minutes


3 problems: 1- the light tunnel is collaping and needs replacing. 2- the tunnel might be hitting the colorwheel, which is now making that wierd noise. and 3- it needs cleaning. these models are famous for these 3 problems. there are no filters, so the dust just gets sucked in. the glue on the tunnel wears out from heat after a while. the colorwheel motor also wears out from heat and dust. the parts are not that expensive and they are relatively easy to install. contact an infocus authorized service center (from their website) and either get these parts or send it in.

tunnel- 306-0095-01
colorwheel- 525-0146-00

Aug 28, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

I have an InFocus ScreenPlay 4805. it only shows part of the picture. the rest of the screen have lines and is fuzzy. thanks herman


One possibility is that the Mirror behind the lense is dirty but I think that this also may be the light tunnel issue that I explained in a couple of other posts about the SP4805.

Mar 17, 2009 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

Glass prism


Greetings,

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...

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