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Horrible noise whenever I turn on my infocus 4805 it makes a horrible noise. It makes a very loud buzzing and humming noise that sounds throughout the entire house. what could it be? thanks will

Posted by William Neidig on

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Anonymous

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It is the color wheel i have a similar problem and am looking for the part, the color wheel is a small electric motor that spins at a high speed and it can go bad. which will lead to the horrible squeel/hum/buzz.

Posted on Apr 24, 2007

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Anonymous

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Does the color wheel noise stop when the projector is is first turned off and the fan is still running? What is the cost to have this replaced or did you find a place to get the motor replacement.

Posted on Aug 29, 2007

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My samsung dishwasher has a constant buzz that occurs during start up and lasts through all of the cycles. I saw where there is an electrical noise filter and did not know if that could be the cause.
No a noise filter is a different kettle of fish. That stops electrical interference noise from affecting your television, radios and electrical devices.

The most likely source of the hum is the start capacitor on the motor, or the motor itself.

https://www.google.com/search?q=samsung+dishwasher+start+capacitor

This has a different idea

Humming or Grinding If your Samsung dishwasher makes noise when starting that sounds like a low hum, it's part of normal function. The motor makes this sound as it operates throughout the wash cycle. However, a dishwasher making loud humming noise or grinding sounds could mean that debris is caught in the drain pump.

Samsung Dishwasher Making Noise? Follow These Tips

This says the drain pump, but the drain pump only runs to empty out so it wouldn't do it all the time.

https://kitchenbuds.com/dishwasher-guides/samsung-dishwasher-making-grinding-noise/

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Jan 20, 2022 • Samsung Dishwashers
5helpful
1answer

TV has started making a really loud buzzing noise, appears to be either the fan or color wheel, if I turn tv on and off multiple times it somethimes goes away...so loud can be heard throughout entire house
It the colors wheel,the fan don't make that much loud of a noise.When the colors wheel spins off it axis it make very loud squizzing and buzzing noises.


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Apr 04, 2010 • Samsung HLP4663W 46" Rear Projection HDTV
0helpful
1answer

I have a SP 4805, and need help on finding parts. Last night while watching a movie I heard a loud pop and it started humming really load. I took it apart and found the color wheel in mutiple pieces. I...
AV Solutions in NY sells these parts.
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Nov 29, 2009 • InFocus ScreenPlay 4805 Multimedia...
2helpful
2answers

My projector is making loud buzzing noises that arent normal.. I just ceiling mounted my projector its an InFocus ScreenPlay 4805 and the bulb has 1500 hours on it. The buzz started after it was on for 30...
If this sound you are describing is NOT constant and is intermittent in nature it is certainly not a color wheel problem. This sound is usually caused by failure of the Lamp cooling fan (the large one)'s Mos-Fet driver chip. Located on the bottom of the main board. These surface mount "chips" do fail and it's a fairly common problem however this is usually (but not always) accompanied by the projector shutting itself down after a few minuets or so as the high temp switch trips off. A color wheel common failure presents in two ways, either all the glass color filters fly off (there are six) and the image is monochrome (black and white) or just one or more of the segments has come off and the result is an imbalance of the color wheel which spins VERY fast resulting in a vibration
that is constant and can easily be felt by placing your hand on the projector. And all of these problems are very easy to repair.

Good Luck!

SagerTronics
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Nov 12, 2009 • InFocus ScreenPlay 4805 Multimedia...
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1answer

My Infocus DLP 4805 can't turn on
very possible the lamp is bad. Many projectors will not even power on once the lamp burns out. As for the strange noise, there may be something more serious wrong with it.
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Jun 22, 2009 • InFocus ScreenPlay 4805 Multimedia...
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1answer

Buzzing noise, trying to open the cover
It sounds like a piece of your colour wheel has fallen off. You will need to take the front panel off (2 screws) plus the two plastic rings around the lens pull out. Be careful not to snap a circuit that sticks out behind the remote sensor on the front. I've had this problem a few times but have just glued it in with 24 hour drying glue, the noise i had was so loud it was hard to watch anything, plus i lost the red colour to the picture until i glued it back in.
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Nov 30, 2008 • InFocus ScreenPlay 4805 Multimedia...
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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
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Oct 28, 2008 • InFocus ScreenPlay 4805 Multimedia...
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Projector stays on for 3 minutes then turns itself off
Hi Chipped Rice

The loud buzzing noise you heard was the colourwheel that gave in.

Now what happens is , the machine will turn on and go through the whole cycle and as soon as the colourwheel is supposed to start doing it's stuff the Projector will switch off because there is no response from the coulourwheel itself.

You will have to replace the colourwheel unfortunately as it cannot be fixed.

Thanks for using Fixya !
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May 27, 2008 • InFocus ScreenPlay 4805 Multimedia...
2helpful
2answers

Infocus SP4805 buzzing noise
Hi dcabbarno

The buzzing noise is a broken colourwheel and the shadow could be a part of the colourwheel that is obstructing the light engine or it could be your packlight pipe ( tunnel with 4 tiny mirrors in it ) that was damaged when the colourwheel broke.

I do unfortunately not have the part numbers of the parts that I mentioned , but you could assist by opening up the unit and supplying me with the part numbers.

The colourwheel you will spot straight away once you've taken off the top cover of the Projector , the packlight pipe is situated right next to it - looks like a small tunnel that's got 4 mirrors inside it - takes the light into the light engine.

Once you've supplied me with these I can get you prices and places to order it from and will help you with instructins on how to replace them - it is quite easy to DIY.

Thanks for using Fixya !
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May 14, 2008 • InFocus ScreenPlay 4805 Multimedia...
0helpful
1answer

Loud noise
It's probably the colorwheel not the fan, can only be fixed by replacement.
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Dec 05, 2007 • InFocus ScreenPlay 4805 Multimedia...
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My samsung dishwasher has a constant buzz that occurs during start up and lasts through all of the cycles. I saw where there is an electrical noise filter and did not know if that could be the cause.

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