Question about InFocus LP70+ Multimedia Projector

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Wont light up

My InFocus LP70 secondhand, refurbished. it has been working for over four years. This is the second time i am having this problem with it.When I push the power button, the LED lights green, the fans go but the lamp won't light. The unit then cycles from solid green LED to blinking green LED every 15-20 seconds. There is a clicking noise like a relay switch when it goes from blinking green to solid green and vice versa.

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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

Posted on Oct 16, 2009

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Hi, I have a Infocus Projector, Model # LP70, serial # begins with ACAN. The projector only has 951 hours on the bulb. The unit powers on and I get the Infocus startup screen. as soon as I turn on a video...


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When this happens, air doesn't flow freely through the projector and result in overheating, which leads to automatic shutdown.

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Go here: https://portal.infocus.com/support/Product%20Pages/downloads.aspx?mic=LP70%2b&on=downloadsthen down load the file then find the text document "D3 D3+ firmware upgrade instructions.pdf" in C:\LP70plus\002-0870-08\I , or where ever you saved it. That will give you the complete instructions on how to upgrade.

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Light does not come on, fan is working and green light at top keeps blinking off and on on a LP70 infocus projector


if you hear a high-pitched whir, the problem is either the ballast or the lamp. if you don't, it's the colorwheel. you could try to get the parts from an infocus service center or send it in to them for repair. either way, try av solutions in ny. they're really good. www.avsolutionsny.com

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Infocus LP70 powers itself down after 30 seconds or so.


HI,,

ITS PROBLEM WITH URS PROJECTION CIRCUIT WHICH HAS BAD CAPACITORS..

JUST REPLACE THE CAPACITORS..

TNKS

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I have infocus lp70 model projector. i replaced the bulb and now it won't light. i put back in the old bulb and the light still wont come on...any ideas? You can tell that the projector wants to run and is...


if you don't hear a high-pitched whir, your colorwheel needs replacing. you can remove the lamp and see the colorwheel inside (colored glass wheel). if you turn it on without the lamp, the colorwheel should still spin. if it does, you have a ballast problem. if not, the colorwheel. you'd still need to send it in to an infocus authorized service center. try av solutions in ny. they're pretty good.

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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.

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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.

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Hello,
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Cheers

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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.

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its not geting power lust like mine

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