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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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

LP70 Infocus Projector light will not start up


if you don't hear a high-pitched whir, the colorwheel needs to be replaced. if you do, it's either the lamp or ballast. if the lamp is new, replace the ballast. you can get the parts if you want to do it yourself, or you'll have to send it in. either way, try av solutions in ny. they are an infocus service center and they're really good. www.avsolutionsny.com

Nov 22, 2009 | 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

2 Answers

InFocus LP70 color problem


try resetting the settings to factory default through the menu. if there's still a problem, take the cover off. if you look from the back of the machine, inside on the bottom left, you'll see the main board attached by a large white plug. use something thin and non-metalic to push the bottom of the board towards the plug to tighten it. now do the same to the other side of the plug. this should solve it. if it doesn't, you need to replace the main board.

May 11, 2009 | InFocus LP70+ Multimedia Projector

1 Answer

Infocus projector lp70


in order for the lamp to strike and stay on, the fans and the colorwheel must be spinning and up to speed. if you remove the lamp and start it up, see if the 2 fans are spinning. and look inside to see if the colorwheel (a colored glass disk) is spinning. you'll also be able to hear a high-pitched squeal coming from it. unfortunately, you'll need to take it in to a repair center to have them replaced.

Jun 21, 2008 | InFocus LP70+ Multimedia Projector

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

2 Answers

Infocus LP70 - It's all Green


A tinted image (whether green or another color) is almost always a symptom of a bad or damaged cable - or a loos cable connection. In your case, you'll likely need a new M1 to VGA cable (Part# SP-DVI-A-R).

Assuming that you've made sure that the cable connections are solid at both ends, there is a simple test to verify that this is a cable issue and not a costly projector issue. While the image is tinted green, open the menu. If the menu colors appear fine while the rest of the image is still tinted green it's the cable.

Nov 20, 2007 | InFocus LP70+ Multimedia Projector

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