Question about InFocus LP70+ Multimedia Projector

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LP70+ grinding noise and lamp when out

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Hi Mandy

This is a faulty Colourwheel - will need replacement.

Contact your nearest Infocus dealer - very cheap to have replaced.

Posted on Apr 03, 2008

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I have an Infocus LP70. My question/problem is in regards to the lens. I dropped the projector from about a foot off the carpet and onto the lens. The focus/zoom became jammed together, AND the lens came...


What I would try to do is, loosen the screw so its not stiff to adjust, adjust the lens to the right position then tighten up the screw again. Hopefully this should work for you!!

Nov 03, 2013 | ASK Proxima InFocus LP70, LP70+ and...

1 Answer

Message reads failure to srike lamp. bulb is less


that ones are total ****... seems like lamp is broken .. my advice would be get a new projector(not LP70) other that get a new lamp...

Mar 02, 2010 | InFocus LP70+ Multimedia Projector

1 Answer

Wont light up


the colorwheel needs replacing. if the colorwheel won't spin, the lamp won't light. if you hear a high-pitched whir, the colorwheel works, which means there is a power supply issue. there is a fix for that, but you have to be good at soldering. if you are give it a try: http://www.infocus.com/service/asc/communications/tech_notes/2006/09/tn495g.pdf

Oct 05, 2009 | InFocus LP70+ Multimedia Projector

1 Answer

InFocus LP70 projector is running hot


clean the dust out of it with canned air. the dust keeps in the heat that the projector is trying to expell. it also shortens the life of the lamp.

Sep 21, 2009 | InFocus LP70+ Multimedia Projector

1 Answer

LP70 lamp will cycle on and off in 3 min. intervals.


go into the menu and check the lamp hours. if it's over 2000, you need to replace the lamp. if it isn't, the power supply and/or ballast is starting to fail.

Jul 06, 2009 | InFocus LP70+ Multimedia Projector

1 Answer

TV grinding noise


A grinding noise in that model usaully means the light engine is defective or it could be the color wheel. But light engine is most suspect as there have been some issues with the light engine assemblies

May 11, 2008 | Televison & Video

1 Answer

Grinding Noise


sounds like the light engine there are alot of problems with the light engines and quite a few have had a grinding noise. The only other possibility would be the color wheel. But I would lean heavier toward the light engine being the fault.

Apr 09, 2008 | Televison & Video

1 Answer

Why does picture brightness change up and down on LP70.


Hi there

Sounds like the lamp is going , but it could be the Ballast as well ( lamp's powersupply ) Rather have a certified technician look at.

Mar 22, 2008 | InFocus LP70+ Multimedia Projector

1 Answer

Pile of ##@!#@ infocus lp70 green light wont come on. should i smash it??


if the fans aren't running, it's the power supply. if the amber is on and the button's won't turn it on, there is an obstruction under the button panel. if all turns on but the lamp and you don't hear a high=pitched whir, it's the colorwheel. if you do, it's the ballast.

Dec 20, 2007 | InFocus LP70+ Multimedia Projector

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