Question about InFocus ScreenPlay 4800 Multimedia Projector

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Red light blinking

I Have was given an Infocus SP4800, It just stop working is what i was told, I was guessing it was the lamp, got a new one installed it now it will turn on, but no picture, I get a blinking red light. I have tried to reset the lamp timer, but it doesn't seem to be that, any thing else to try ?

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It was the color wheel, does any one know where to get one

Posted on Feb 04, 2009

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1 Answer

Infocus Screenplay 4805 No Display, help?


hi friend,
please try to clean the testing diode of color wheeel.
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Nov 22, 2011 | InFocus ScreenPlay 4805 Multimedia...

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MY INFOCUS COMES ON FOR ABOUT 2 MINS THEN IT SHUTS OFF AND THE RED LIGHT STARS TO BLINK


check the lamp hours in the menu. if it's close to the end of the lamp's life, it'll need replacing and the timer reset. if the lamp is ok, i'm going to guess it's overheating. blow the dust out of it with canned air and try again. if it still shuts down, you have a power supply problem.

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Lamp burned out on X1 infocus projector, Replaced lamp, new lamp stopped working in about 5 hours, got another new lamp and it does not light at all. Still blinking 3 red blinks(saying the bulb is bad)


make sure the colorwheel is spinning. if it is not, replace it. also, blow the dust out of it with canned air. excessive dust kills lamps quickly. you'll also need to reset the lamp timer. are you using an sp-lamp-009? the sp-lamp-018 looks exactly like it, but is used in th x1a and x2. the x1 only uses the sp-lamp-009. if all else fails, replace the power supply.

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the colorwheel. if it does not spin, the lamp will not light.

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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 x1a projector shuts down after 30 seconds - dust problem ??


do you have the correct lamp? the x1a takes an sp-lamp-009, that has 2 white wires, and not the more common sp-lamp-018 which looks exactly the same except has one white and one red wire (and are in different plug positions). if it still doesn't light, there is another issue (possibly the colorwheel) along with the lamp timer reset.

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The owner's manual should have a troubleshooting chart that will indicate what the blinking lights mean. If the new bulb did not clear it, the problem may be the ballast (part that starts the bulb). Also, when you replaced the lamp, you should also reset the lamp timer. Some units will continue to indicate a lamp needing replacement until the counter is reset. The procedure for that should also be in the manual.

Keep us posted.

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1 Answer

Infocus 4805 blinking red light problem


My first questions is:

Is this the first lamp you have placed into your Infocus pj? If not, did you reset the hours when you did it last time? Otherwise that can also confuse the projectors internal system thinking there is NOT a new lamp in there and there for make it stop working once the clock hours are expired and over the 3000-6000 suggested hour life.

Let me know so I can help trouble shoot other possible problems.

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1 Answer

Bulb failures


I experienced the same thing, only to discover it was the ballast that powers the lamp. I believe INFOCUS repairs for $390.00 per the technician that I spoke with on the phone at INFOCUS.

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Infocus in76


reset the Lamp as per shown in the user's manual.
Check the ballast unit, if dont work.

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