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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1 Answer

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...


I think it is the time to remove the cover and check for air filters blocked with dust.
When this happens, air doesn't flow freely through the projector and result in overheating, which leads to automatic shutdown.

Sep 22, 2011 | InFocus LP70+ Multimedia Projector

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Process to upgrade firmware for InFocus lp70 ... can some describe this for me please? I've got the firmware downloaded, but my PC does not see the projector .. Help!! I also can not find the USB drivers...


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.

Apr 27, 2011 | InFocus LP70+ Multimedia Projector

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if you are talking about the ribbon connection on the rear of the main board, then yes I would scrap it unless you want to try and find a LP70 on E-bay to use for parts. You may or may not get a good board but if the price is under 50 bucks it may be worth the risk.

Oct 16, 2010 | InFocus LP70+ Multimedia Projector

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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

RABBANEES

Nov 12, 2009 | InFocus LP 70 Multimedia Projector

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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

InFocus LP70


Have you tried another lamp? Sometimes thats your problem, but I've seen a several occasions that the a defective power supply causes this symptom. Do you see an image flicker before the projector shutsdown? I do have some spare parts for this projector.

I'm on Ebay - gtitubro if you want to contact me through there.

Sep 17, 2009 | InFocus LP70+ Multimedia Projector

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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

PAL support


Hello,
Yes the LP70 and the LP70+ both operate perfectly with a PAL source. Also the will operate just fine using 220vac 50hz too.

Cheers

May 31, 2008 | InFocus LP 70 Multimedia Projector

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Lp70 projector Error message about Fans


I had a similar problem with an LP70. my fan was sticking.
So I opened bottom cover and pulled out fan cage, there are 2 fans.
you must know which fan not running.
If you found bad one remove paper label(yellow)
you can see 3 small holes.
using wd40 few drops to holes.
then manually turn using your finger cw and ccw few times
you can feel smooth turning now.
then relabeling to hole side.
reassemble unit.
power on.
Now you can enjoy with your projector.

Jul 18, 2007 | InFocus LP70+ Multimedia Projector

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