Question about InFocus ScreenPlay 4805 Multimedia Projector

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SP 4805, I installed a new bulb, the unit power on, blinks green led and makes noise trying to power the lamp but nothing helps.

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The colorwheel is shot and needs replacing. the lamp won't light if the colorwheel doesn't spin.

Posted on Aug 17, 2009

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1 Answer

No picture


the projectotr circle is the colorwheel and it has to be replaced. as far as having no picture, is the led on top flashing red or green ? If flashing red how many times ?

Jun 12, 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

Light went out


then it may not be the lamp, but make sure you have the right one (sp-lamp-021). also check to see if the colorwheel is moving. turn the projector on and listen for a high-pitched whir. if you don't hear one, the colorwheel needs replacing. and the lamp won't light without the colorwheel spinning.

Jul 17, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Infocus X1a no picture, solid green LED


if the lamp is new, it could be the power supply (the ballast is built in to the ps). but make sure you have the right lamp. the X1 and X1a have an sp-lamp-019 and the similar X2 and X3 have an sp-lamp-018. the lamps are almost identical except for the wire configuration on the lamp plug. make sure the wires in the plug match the positions in the socket. also, when you turn it on, if you don't hear a high pitch squeal, the colorwheel is not working. and if that isn't working, the lamp won't either. also check to see if the lamp door is closing properly and hitting the switch at the top of the opening.

Jul 12, 2009 | InFocus X1a DLP Projector

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

Infocus 4805 - Doesnot display and make noise at start-up


Well a single red blinking means the lamp won't strike after five (5) attempts. The "squeaking" sound if it's coming form the large fan usually always means the Mos-Fet fan speed controller chip has failed which presents sometimes as an intermittent squeaking sound. Which would implies the lamp may have failed from the resultant over temp. However if the squeaking noise is coming from the color wheel that would mean it's bearings have failed and if is is unable to phase lock at reference speed the lamp would also not strike. The odd symptom is the remote thing... That does not fit! If is actually is related to the common cause of all the problems... That leaves only the power supply has partially failed (not too expensive) causing all of these symptoms.

Or murphy has moved in...

Good luck!

SagerTronics

Oct 28, 2008 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

No Power


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

Feb 21, 2008 | InFocus ScreenPlay 4805 Multimedia...

3 Answers

NEC VT 470 projector won't work at all


Try pressing the HELP button. Don't release and press the power button. The LED lights should blink. Release then try to power on again.

Jan 11, 2008 | NEC Replacment Lamp Projector Lamp for...

1 Answer

Replacing bulb


hold the volume up/down in ,switch unit on while holding these in for 30 secs, if that fails, flash unit with new software.

Dec 01, 2007 | InFocus In Focus SP-LAMP-021 Replacement...

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