Question about InFocus ScreenPlay 4805 Multimedia Projector

2 Answers

No Power my 4805 wont power up I replaced the bulb but cant get any power please someone help

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  • friction1 Mar 08, 2008

    Thx for the Advise it has been very helpful

  • Anonymous Mar 17, 2008

    fan runs ,lamp comse on for 2 seconds then goes out, when repowering after a few minutes same happens. led does not come on. my e- mail is verelst@gmail.com am I am in South-Afrika (no agents for infocus ) would appreciate any help . thanks Ferdi

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2 Answers

When you say no power do you mean nothing is lit not even the led on the top cover. If that is the case the power supply maybe at fault. Check with another power cable and make sure the lamp door is fully seated in it's place.

Posted on Mar 08, 2008

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Check fuse, check to see if fan is clean, check to insure lamp and houseing is completely seated

Posted on Mar 06, 2008

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Related Questions:

1 Answer

Infocus 4805, wont power up remotely


the lamp has burned ot and needs replaced,

Nov 25, 2007 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Ordered/installed from Infocus a new bulb unit.


the colorwheel needs to be replaced. the projector won't turn on if the colorwheel motor is not up to speed.

Feb 25, 2010 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

How do i find out if i need a new lamp for my infocus 4805. when i turn it on the fan blows for a cpl secs and the green light blinks a few times, but i dont get anything saying the lampis out


when you power it on, do you hear a high-pitched whir? if not, you need to replace the colorwheel. it's also the colorwheel if you hear a buzzing instead. if the colorwheel does not spin, the lamp won't come on. if the colorwheel is ok, check the lamp. is the screen on the side of the lamp clogged with dust? is the inside of the lamp bulging, spotted, or foggy? if so, replace the lamp and clean out your projector with canned air. dust blocks air flow and keeps in the heat. this shortens the life of your lamp and projector. if you do need the colorwheel replaced, you could get the part from an infocus service center and do it yourself, or send it in for repair. either way, try av solutions in ny. they're really good. www.avsolutionsny.com

Dec 27, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

My bulb went out on my infocus sp-4805. I bought a new bulb, and replaced it, and it worked...for five minutes. the picture went out, and it was overheated. I took some parts off, and sprayed can air in...


The fan is probably on it's way out and cannot produce enough air flow to cool the lamp. Replace the fan with the same ratings as the original and it should work fine. The only other thing would be a problem with the power supply not supplying enough power to the fan, but, a bad fan is more likely.

Feb 24, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

I turn on the 4805,green led blinks & bulb does not come on?


After a few minuets does the green blinking light turn to a red blinking light?

If so the problem is the lamp did not strike.Either the lamp has failed (most likely) or there is a problem with the power supply (less likely)

Feb 12, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

No pwer to Infocus sp 4805


My 4805 made a loud pop noise and smoke and died.

I thought it the bulb and wasted $340 on that purchase.

They are subject to overheating and the main circuit board may be fried.
It cost me $50 for a tech to confirm my suspicons of the same.

Look at the main circuit board and you might idenify a scorched
overheated area.. My shop told me you can purchase a new main
board.. Diagnosed by no power to the bulb...



Sep 12, 2008 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Infocus 4805 Projector - Color Problem


It is possible that the LCD panels are burned. Is the green the only color that is off? Typically the bulb won't change the colors that drastically. Verify that the input is set correctly, having a unit expecting component inputs when you provide RGB will change the colors too. Please update this with your findings.
Dan

Apr 03, 2008 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

Projector will not power on


Check your cooling solution wether its a fan malfunction or if it needs a new fan - or h20 cooling system

if not its either the power supply or something serious - send it to manifacture or go to a in-store repair

(it could be the dust protector)

Nov 16, 2007 | InFocus ScreenPlay 4805 Multimedia...

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