Question about InFocus ScreenPlay 4805 Multimedia Projector

2 Answers

Infocus screenplay 4805 projector

I went to turn the projector on, and it started but no image. I thought it was the bulb, so I bought a new bulb. Changed the bulb and again, no image. I opened the projector to see if there was a fuse problem, but the projector starts fine and I see the color wheel turning on and off. I have a red light blinking all the time.

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  • rickdal3 Oct 28, 2008

    How can I reset the hours if the projector lamp does not turn on?

  • etmillionair Mar 29, 2009

    I bought an (In Focus 4508 -Replacement Lamp), and replaced the old one. But, the Projector is NOT projecting any "Light" from it's lense at all. And, I thought it was the Lamp, so I got that replaced.  But, that did not help either. 


    Their is a Green light that blinks once every 2 sec's and then it blinks Red every 2 sec's or so. 


    Lastly, when I get close to the projector to listen, I hear a ver faint "Clunking" sound. It sounds like when a Motor is trying to Turn, but it's stuck, so it makes that Clunking sound. 



    *Please help me figure this out, because it's driving me crazy. 


    Thank you in advance for your great wisdom and help regarding my problem. 


    Sincerely, 


    ~David

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Check the wireing in the new bulb . My new one had the wires in the wrong holes like if there are 4 slots in the connector then my orignal was in slots 1 and 4 the new one was in slots 1 and 3 so I took the wire out and put it in the #4 slot and put it in and unpluged the machine and did a reset and restart and it came on green. Hope this helps.

Posted on Jan 28, 2009

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Did you reset the hours on your system once you inserted a new light bulb? Otherwise the pj might be a bit confused if you do not reset that with each bulb. The suggested life expectancy for the lamps is around 3000-6000hrs for a DLP lamp pj.

Have you also cleaned out the filter? It is a GREAT idea to do that every year otherwise it could potentially over heat. Most of the time you can have some one come out, bring it to a service center, or ship it to the manufacturer to be cleaned, then they mail it back to you.

Let me know how things go. You can always contact the manufacturer to direct you on how to reset the hours. They do offer a life time support.

Best of luck!!

Posted on Oct 27, 2008

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1 Answer

Just replaced burnt out bulb in Infocus 4805 projector. Great picture with new bulb but only black and white. Is this a bulb issue or something else in the projector?


This is most likely the color wheel. When the bulb blows, it can damage the color wheel. The color wheel is a wheel composed of thin layers of colored glass that spins in front of the projected image. It is possible to repair it with super glue, but the best way is to try to find a new one to buy.

Dec 29, 2010 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Lost color on infocus 4805 what needs to be done to repair this I just bought a new lamp then the color went


your color wheel needs to be replaced. i have the procedure listed in another of my solutions. this is a major repair for the inexperienced

Jul 03, 2010 | 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

Infocus 4805 Lamp will not ignite after new bulb and reset.


it there is no high-pitched squeal when it starts up, the colorwheel needs replacing. the lamp won't light without it. the part is under $50, but installation is quite involved.

Apr 16, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

InFocus Screenplay 4805 to PS3 Playstation 3 - Blank screen


Try pressing the "auto image" button on the projector itself. This usually will correct the sync problem.

Feb 28, 2009 | InFocus ScreenPlay 4805 Multimedia...

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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...

2 Answers

Color wheel in my InFocus ScreenPlay 4805 projector


The 4805 Color wheel part number is 525-0146-00

You can buy it from AV SOLUTIONS in NY

As far as if it's worth it... That's up to you.



Nov 07, 2008 | 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

4805 w/less than 300-400 hours has blinking red light


Yikes. I bet the bearing is bad in the fan and/or the fan is rubbing up against something. It might be an fix.

Jul 16, 2008 | InFocus ScreenPlay 4805 Multimedia...

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