Question about InFocus ScreenPlay 4805 Multimedia Projector

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

Help...the bulb does not come on. the green led light just blinks?? the fan comes on and i can hear the color wheel spin?

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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)

Posted on Nov 29, 2009

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New bulb worked for a short trail run now wont light up. flashing green led colour wheel is turning on start up


when you changed the lamp, did you blow the dust out of the projector? if the screen on the side of the lamp is blocked (i.e. with dust), the lamp will blow quickly. if the projector were to overheat, by the fans not running or blocked vents, everything would shut down and the led would blink red.

Jan 01, 2010 | InFocus ScreenPlay 4805 Multimedia...

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Infocus 4805, wont power up remotely


the lamp has burned ot and needs replaced,

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

1 Answer

Unresponsive, lamp dies upon start


if you don't hear a high-pitched whir, the colorwheel is shot and needs replacing. if you do, one of the fans might not be working and the heat shuts it off so as not to cause damage.

Oct 15, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Projector goes POP!


I think it's the bulb, the best would be to take it to the shop where you bought it - or any other good electronic goods shop - so they can test it. If its still under guarantee its better to take it to the dealer. Mine had to have the bulb replaced after only 8 months, but it was still under guarantee.

Jun 11, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

4805


In the manual there is a chart which will indicate the nature of the failure depending on the number of times the red led flashes before a pause.

Most common is the projector's lamp timer has exceeded the operational lamp time limit.

While the projector's red led is flashing, press the volume up and down buttons on the projector simultaneously and hold them both in for 10 seconds.
This will reset the lamp inhibit protocol.

However if the lamp has thousands of hours of use you need to replace it before it actually fails.

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

2 Answers

SP4805 bulb does not fire up; led stays green; fan turned on


I had the same problem after purchasing a new bulb. My husband pulled it out after it would not fire up and the new bulb plug in conecter (white with 4 holes with two wires) was different. Take your old bulb and compair the two conecters and see if they match, then check if the wires are in the same slots as in first and last. Mine on the new one were in the first and second to last slot. So we took the wire out of the second to last and put it in the last slot and installed it and it fixed the problem. We also had to unplug and replug it in and do a master reset by pressing the Power and Channel buttons and the same time for 15sec. Hope this helps.

Jan 23, 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...

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...

1 Answer

Projector problem


I generally fix this by re-seating the bulb housing. Take it out and put it back in. Look for cracking at the base of the bulb on the mirrored surface. It could be a barely functioning bulb that isn't busted, but can't initialize. I would take it to a shop that has the same bub type in a housing and make a quick switch.

Jun 20, 2008 | InFocus ScreenPlay 4805 Multimedia...

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