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Optomagt720 wont turn on

Just replaced the colorwheel, now it wont turn on

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The mother board is defective

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Posted on Feb 22, 2014

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Green light flashing, bulb will not turn on, green light sometimes goes to red flashing light


check the lamp. does it have bulges, black spots, flaking or fogging? if so replace it. aslo if the screen on the side is clogged with dust. if the lamp is ok, check the colorwheel. if you don't hear a high-pitched whir when you turn it on, the colorwheel motor is bad. replace the colorwheel. check the fans, too.

Mar 23, 2010 | InFocus X1 Multimedia Projector

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The picture come on then goes black and then the television turns off. I thought it might be a bulb problem (4 years old). So I bought a new bulb, seemed to work and then began to go black again with all 3...


when the colorwheels start to go bad this is the symtom that shows up. try this listen carefully to the rear of the tv near the lamp door. as you turn off the tv if you hear a slight grinding noise as the colorwheel slows down that means the bearings inside the colorwheel are dry and you will need to replace the colorwheel.

Mar 21, 2010 | Samsung HL-P5063W 50" Rear Projection HDTV

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Will not turn on, red light flashing next to the menu button


if the fans don't turn on, they may be bad and needs replacing or rewired. if the fans turn on but not the lamp, the colorwheel may be bad (listen for a high-pitched whir when you switch it on. if no whir, replace the colorwheel). if the colorwheel is ok, replace the lamp.

Mar 07, 2010 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

Projector turns on but does not illuminate bulb is good


may be either the colorwheel or the ballast. if you hear the colorwheel spin up (high-pitched whir), replace the ballast. if you don't hear it, replace the colorwheel.

Dec 11, 2009 | Sharp XR-10S DLP Projector

1 Answer

A power cut whilst the projector being used, caused power light to blink red, now the projector doesn't turn on


it could be the fan, colorwheel or high temp. remove the lamp and turn it on. do the fans spin? if not, replace the fans. does the colorwheel (colored glass wheel near the lamp) spin? you should be able to see it and hear a high-pitched whir. if not, replace the colorwheel. if the lamp was still hot when it was turned off, you need to let the fans run and cool. then unplug it, plug it back in and try again.

Nov 07, 2009 | InFocus LP70+ Multimedia Projector

1 Answer

Replaced a bulb and the red lamp light still comes on and the projector turns off


colorwheel or ballast need replacing. when you turn it on, listen for a high-pitched whir. if you hear it, the ballast is bad. if you don't, replace the colorwheel.

Oct 30, 2009 | Optoma EP716 Multimedia Projector

1 Answer

I have infocus lp70 model projector. i replaced the bulb and now it won't light. i put back in the old bulb and the light still wont come on...any ideas? You can tell that the projector wants to run and is...


if you don't hear a high-pitched whir, your colorwheel needs replacing. you can remove the lamp and see the colorwheel inside (colored glass wheel). if you turn it on without the lamp, the colorwheel should still spin. if it does, you have a ballast problem. if not, the colorwheel. you'd still need to send it in to an infocus authorized service center. try av solutions in ny. they're pretty good.

Oct 22, 2009 | InFocus LP70+ Multimedia Projector

1 Answer

Benq pb8250 , red light blinking


you have a problem with either the fans, the ballast, or the colorwheel. if the fans turn on, listen for a high-pitched whir. if you don't hear it, replace the colorwheel. if you do, replace the ballast. if the fans don't spin, replace them.

Sep 22, 2009 | BenQ PB8250 Multimedia Projector

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...

2 Answers

In-Focus LP-130 and it turns on but the lamp wont fire up, it sounds like the cooling fan goes on and then stops, its a brand new bulb also.. some one said its daughter board that controls the cooling lamp...


the ballast is bad. the fan turns on for the colorwheel, but when the lamp doesn't strike, the fan and colorwheel turn off until it tries again. unfortunately, there are no replacement parts for the lp130.

Jul 17, 2009 | InFocus Office Equipment & Supplies

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