Question about Sharp XR-10X Multimedia Projector

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Shadow on left side of image--light tunnel problem?

I recently bought several reconditioned sharp xr-10xs from thecameraprofessionals.com, and there is a shadow on the left side of the image on one of them. after looking at various online forums, it sounds like it may be a light tunnel problem. anyone know how to fix it?

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Hi there

Yes the light tunnel has four tiny mirrors facing each other. If you know what you're looking at you can easily glue it back.

Otherwise you'll have to get it replaced by a repairer.

Posted on Mar 25, 2008

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Red tint right side mitsubishi hc7900dw


first try doing a factory reset through the menu. if it persists and the tint has a relatively hard edge to it, you may have a broken light tunnel and it's casting a bit of a shadow on the image. you might need to bring it in for repair, especially if it's under warranty

Feb 25, 2014 | Multimedia Projectors

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Left hand side of image appears darker than rest of image as if a shadow is caused from somewhere. Unsure if this is a lamp problem or a camera problem


If it looks like a dark orange/brown band, its likely to be a Light Tunnel Failure. The Tunnel can be fixed thru the manufacturer, but it will cost plenty. You can also do it yourself.
For additional info, go to www.avsforum.com and search for "4805 Light Tunnel" and you will see threads about the problem...as well as DIY repairs.
I also posted a DIY replacement option since new Tunnels are virtually non-existent:
www.avsforum.com/avs-vb/showthread.php?t=1304694

Dec 24, 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

Theres a shadow on 1 third of screen on left , its...


the light tunnel is collasped or needs adjustment.

May 19, 2010 | Multimedia Projectors

1 Answer

Slight shadow on right side of screen


this is image banding. the light tunnel needs to be adjusted, or replaced if it is collasped.

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

1 Answer

The is a line through the laft side of my scree that drops the picture a little bit


is it a shadow or black line? the light tunnel is collapsing and needs to be replaced. you can get the part from a sharp service center and replace it yourself or send it to one for repair. either way, try av solutions in ny. they're really good. www.avsolutionsny.com

Dec 22, 2009 | Sharp XR-30X Projector

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

Shadow on right side of screen


check the connector of DMD module. Service all projector and reinstall.
Viren

Nov 18, 2007 | InFocus ScreenPlay 4805 Multimedia...

4 Answers

1/2 the screen is viewable


You would be wrong. Lamps do not do that. They either work or they don't, they do not cast shadows or give half an image.

What is going on is the light tunnel has failed. It is a small, 4-sided mirrored tunnel that focuses the light into the optical chamber. It is directly behind the color wheel. I've seen this probelm dozens of times.

Mar 30, 2007 | InFocus ScreenPlay 4805 Multimedia...

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