Question about InFocus LP 820 Multimedia Projector

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Lp820 infocus will not turn on

When i turn on the machine it will not start up

ron

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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

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Your power supply needs to be replaced or repaired. I do projector repairs if your interested my ebay id is gtitubro

Posted on Aug 15, 2009

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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

In Focus LP820 The projector will not turn on because the fan won't turn on. What do we do?


make sure nothing is stuck in the fan if you can. it would be helpful to know which fan is not working. the easiest thing to do is to make sure all are plugged into the main board. the next thing is determine which fan is not working, usually it is the lamp blower. at any rate, it will have to be repaired by a technician.

Mar 30, 2010 | InFocus Office Equipment & Supplies

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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

There are greenish spots on the screen (especially in dark areas) read somewhere they are dust blobs. I have removed lens and bulb to give them a blast of air, but blobs still there. How do i access the...


remove the rear cover then the top and look to where the lcd cables go down from the main board to the lcd panels. move the cable 1 at a time towards the connection on the main board just so you can see down into the panel and give it a good blast. de-ionized air works best. repeat for the other 2 panels.

Feb 25, 2010 | InFocus SP-LAMP-012 Projector Lamp for...

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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...

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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

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

2 Answers

Infocus LP820 - Turns on for 30sec then shuts down


This could be one of two problems I have seen with another model Infocus projector (they are very good projectors though)

The first is the video input. Make sure it is attached correctly at both ends of the cable.
The second, remove the dust covers and blow them out. The problem can arrise if the temperature sensor detects the air inside the unit is getting too hot. If you can see the sensor when the dust covers are off (it will look like a little lump of goo on the end of a wire) then just give it a wipe as well. If dust settles on those it can cause incorrect temps to be reported.

Hope that solves your poblem =)

Apr 11, 2008 | InFocus LP 820 Multimedia Projector

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