Question about InFocus LP 820 Multimedia Projector

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How to upgrade the firmware on an infocus lp820

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4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 74 Answers

SOURCE: Infocus LP820 Projector that will not come out of

Try a firmware upgrade.

Posted on Oct 22, 2009

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SOURCE: lp820 infocus will not turn on

Some capasitors should be changed in the powersupply and several diodes too, may be. There are temperature mode in the power supply is very hard and those capasitors broke from that. Therefore running of projector is not stable. However if dont change capasitors at time then one diode may be broken and the projector will not start afterthat alwase.
Its not so big work for repaire.
I hope may english is understandable for you.
Best regards. Sergei82@gmail.com

Posted on Dec 13, 2009

projdoc
  • 2236 Answers

SOURCE: infocus lp820 i press power can not hear any fan

you need to replace the fans; they may have burned out. you could try to get one from an infocus service center or send it to them for repair, but know that this is an old machine and parts may not be available. you could try getting a used one on ebay that has a different problem and swap out the parts. if you do decide to send it in or find new parts, try av solutions in ny. they're really good. www.avsolutionsny.com

Posted on Jan 05, 2010

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1 Answer

How can I get firmware, if it was already deleted from the manufacturer website?


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.

Jan 30, 2015 | InFocus LP70+ Multimedia Projector

1 Answer

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

1 Answer

LP820 projector powers up and all is well. After about 40 seconds to a minute it powers down. Control panel lights are on and LCD display says restarting. It comes back on for a couple of seconds and...


It could be are any of the led's blinking. ?
The other thing is to check the bulb is seated correctly in its connector.
Try removing bulb and reinserting.
Also clean the air filters at same time to make sure they are fine.

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Feb 10, 2011 | InFocus SP-LAMP-012 Projector Lamp for...

1 Answer

I have an infocus lp820 with what looks like an blue ghost omage in centre of screen,i suspect optical engine or lcd panels


This projector is one I've worked on many times and you are correct. The lcd panels are burnt probably due to a hard shutdown not allowing the fans to cool the inner components done repeatedly over several sessions.

Mar 22, 2010 | InFocus SP-LAMP-012 Projector Lamp for...

1 Answer

Have a infocus lp820 . There is a blue line on the


if it's a pixelated line, it's your lcd panel. if it's a blended, uneven line, it may the polarizer on the lcd panel. either way, you'll have to replace the whole optical engine.

Dec 07, 2009 | InFocus SP-LAMP-012 Projector Lamp for...

1 Answer

Infocus lp820 i press power can not hear any fan moving lamp turn on with gray light after 10 sec lamp shut off and message says "fan stopped"


you need to replace the fans; they may have burned out. you could try to get one from an infocus service center or send it to them for repair, but know that this is an old machine and parts may not be available. you could try getting a used one on ebay that has a different problem and swap out the parts. if you do decide to send it in or find new parts, try av solutions in ny. they're really good. www.avsolutionsny.com

Nov 12, 2009 | InFocus LP 820 Multimedia Projector

1 Answer

I have InFocus LP120 the picture comes and goes within fraction of a second when connected to any video device.


First try another cable, if you tried that already, then try a firmware upgrade. Infocus has the firmware on their website. If that doesn't work then you have a defective main board.

Oct 12, 2009 | InFocus LP120 / 1000 Lumens / XGA / DLP...

1 Answer

Connecting Dell laptop to Infocus LP820


The USB cable doesn't transmit Video. You need to plug in the VGA cable. The "DVI" port on the LP820 is not a a DVI but a M1 Digital port and won't work with DVI unless you get a converter.

Nov 30, 2008 | InFocus LP 820 Multimedia Projector

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