Question about InFocus LP 540 Multimedia Projector

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Infocus 540 has a blue tint to it. - InFocus LP 540 Multimedia Projector

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If it only has a blue tint when the computer or video is hooked up, reset the settings to factory default and replace the cables. if the splash screen (when it says "infocus") has the blue tint, one of the light filters are fried due to excessive heat and dust. unfortunately, you'll have to replace the entire optical engine.

Posted on Oct 15, 2009

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Lamp for LP640 in focus projector gives off yellow color tint on screen


the blue polarizer is most likely damaged due to overheating and old age.

Jul 28, 2011 | InFocus LP640 Multimedia Projector

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I HAVE A INFOCUS LP650 PICTURE HAS A BLUE TINT CAN THAT BE FIXED


to replace the colorwheel:

remove the 4 brass and 4 silver screws from the bottom and the 2 silver screws from the back. through the top vent on the back panel and using a flat head screwdriver, unclip the 3 clips holding the back panel on. once removed, unplug the 2 wire harnesses. remove the top and front panel. now unplug the large wire harness and remove all the brass screws on the 2 power supply boards (also the screw for the ground wire). there is a black clip in the middle of the larger power board. remove the boards. now remove the brass screws holding the metal plate on. once removed, unplug the flat ribbon cable (for the colorwheel). now facing the front end, remove the lamp and the 4 screws holding the lamp housing (with fans) on to the bottom case. remove the tiny black screw on the small circuit board and remove the board. now you can get to the colorwheel. there are 2 small black screws holding the bracket. pull the ribbon cable through from under the fan. replace with new colorwheel and reverse the instructions. the only difference, remove the front panel from the top by undoing the clips. good luck!

on Nov 17, 2010 | InFocus LP220 Projector

1 Answer

InFocus LP 540 is extremely dim


Dim image is normally due to a defective lamp assembly. I'd recommend removing the lamp and inspect its condition. You'll notice a black corrosion build up around the filament of the bulb.

May 02, 2011 | InFocus LP540 LCD Projector

1 Answer

I have an infocus projector model Lp70+ and when it projects it has a greenish tint and is not completely in focus. Is there anything I can do to fix that?


the greenish tint is likely the light tunnel being out of adjustment or partially collasped. The image being out of focus is likely the misalignment of the focus tube to the base of the focus tube that screws into the front of the light engine. A technician will have to fix either problem.

Oct 19, 2010 | InFocus Office Equipment & Supplies

1 Answer

I have two InFocus LP 540 projectors that simply do not indicate power when they are plugged in. Has anyone else experienced problems with the power supply? Is there a fuse somewhere that might need...


you can check the fuses (located on the power supply board where the cord plugs in), but it's more likely that the caps are dried out and need replacing, or the whole board itself. if that's the case, try av solutions in ny. they're an infocus service center and they're really good. www.avsolutionsny.com

Jan 22, 2010 | InFocus LP 540 Multimedia Projector

1 Answer

InFocus LP540 Red Tint


first swap out the source cable. if the problem persists, reset the settings to factory default. if the problem still persists, your colorwheel may be bad.

Oct 29, 2009 | InFocus LP 540 Multimedia Projector

1 Answer

The tint changes colors, green to red to blue, etc. while it is on. What's wrong?


you have a problem with the main controller board. unfortunately, there are no replacements from infocus. sorry.

but try to clean and resolder the edge connector (looks like silver fingers) contacts on the power supply where it plugs into the green plug on the main board. the main board may be getting fluctuations in voltage due to poor contacts.

Oct 14, 2009 | InFocus LP290 1100 Lumen XGA LCD Projector...

1 Answer

I Followed the directions and changed the bulb. When


there is a burn spot on one of the light filters located next to the blue lcd panel. it is caused from excessive heat and dust. unfortunately, you'd need to replace the entire optical engine because infocus does not sell individual optical engine parts.

Oct 06, 2009 | InFocus Proxima UltraLight S520 Multimedia...

1 Answer

Projector gives off pink tint


when you have a tint on the projector its not a lamp issue, it is a connectivity issue you have to check the cables if they are connected firmly, or swap the cables with good known cables , if this doesn't help you have to send the projector to infocus repair center, since it is a DLP projector this may require engine /major repair

Aug 13, 2008 | InFocus LP70+ Multimedia Projector

1 Answer

Infocus lp 540


Also having this problem."Warming up" then "lamp didn't strike" then "retrying" stuck in a loop. It's at a school where I work and nobody has reported any messages regarding the lamp hours.

Jul 20, 2008 | InFocus LP 600 Multimedia Projector

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