Question about InFocus X1A Multimedia Projector

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Need a New light tunnel...

Hi there

If anyone out there knows where I can purchase a new light tunnel, or has an old broken in any condition 4805, x1 or x2 they would like to sell I would be more than greatful to buy, as I am desperately in need of parts for my one.

Thanks very much


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  • Rusteee Feb 11, 2008

    Hi there.

    Thanks for the help, unfortunately they don't sell them either. I am finding it hard to find lol so am hoping that someone out there has a completely broken projector or something that I could buy off them to get it out of.

    Cheers for the help




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Hi there,
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1 Answer

Replace light tunnel infocus 4805

Hi, to get the basic instruction on how to clean/fix the 4805, click on this LINK...

Thank you.

Jun 06, 2012 | 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 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:

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

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New Problem after fixing Light Tunnel on a SP 4805

It sounds like you have mounted the replacement light tunnel incorrectly. It is a common error. What has happened is you have the light tunnel sitting on yop of the positioning stop which is opposite from the color wheel side. If you take it back apart you will see that it's not laying parallel to the casting. if you reposition it so it is just touching where the opening is in the clamp on the color wheel side you will feel it fall into place.

Jan 22, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Infocus 4805 dead yet again! Need Help

I'm not sure. This is a much older projecter which came out around 2003-2005. It is hard to find any new ones otherwise they will be refurbished or used.

Have you contacted the manufacturer regarding a firmware upgrade for your pj? That can fix some errors some times. My sister/brother in laws both had the same pj and that fixed this issue.

Otherwise we do not sell any products on here we only suggest and offer solutions to errors or problems.

Good luck and let us know how things work out for you!

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

1 Answer

4805 light tunnel

There is no products available to see on this website. We just offer services with offering solutions.

If you are looking for legitimate e-tailers to purchase from I'd suggest to check out or go off of the manufacturers website for product orders.

Thank you and let us know how it works out for you.

P.s. gluing is indeed not a good idea...Have you contacted a manufacturers service center to have it serviced or checked out from a specialist?

Aug 14, 2008 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

Fixing an Infocus X2 Light Tunnel Problem...

Hi JF1226

This quite a tricky job , but not impossible.

You will see once you've taken out the light tunnel ( also known as the packlight pipe module ) that there is one or two of the small mirrors that has come loose as a result of the lamp's heat.

Glue them back with Super Glue that dries very fast.
Do them one by one , always try to build them back in from edge to edge i.e. - If the top one and left side one is loose , do the side one first and then the top one - just makes it easier.

Remember you only have one shot at this , so do it carefully.

Good luck and thanks for using Fixya.

Apr 23, 2008 | InFocus ScreenPlay 4805 Multimedia...

2 Answers


Hi there

I tend to agree with sheridan1952 , when buying a broken Projector for spares you never know ehat you're getting.

Feb 11, 2008 | InFocus X1 Multimedia Projector

2 Answers


It also depends what part you need because although the 3 models look similar none of the parts are compatabile with each other except maybe some body parts and the X1 and X2 share the same light tunnel but it would be a risk to assume that the light tunnel from a used model is OK. The only 2 models that share the same parts are the X1 and SP4800. The X2 is brighter and the SP4805 has a 16:9 native ratio.

Feb 11, 2008 | InFocus ScreenPlay 4805 Multimedia...

4 Answers


Hi there.

This is definetly the light tunnel issue. After searching and a million phonecalls, I tracked down a place that you can buy the light tunel for $41 on their own and simply put that in, making the projector good as new.
I Have the phone number of the place and also the link to the forum giving you fully pictured diagrams of how to change the light tunnel, and also I have a service manual if anyone would like it to be sent to them.


Jun 10, 2007 | InFocus ScreenPlay 4805 Multimedia...

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