Question about Sony BRAVIA VPL-AW15 LCD Projector

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When starting my projector it makes a buzzing sound for a few seconds then about 30 seconds it does it again and it will not come on. I changed the air filter but not the lamp.

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If the seet is not powering up then the noise can be the fan or the power supply . If the lamp is not working then it can be a possible fault of the lamp or the power supply straining due to a load or shorted lamp and not starting up

Posted on Sep 28, 2010

Testimonial: "The filter was very dirty and the lamp has gone out. I ordered a new lamp and used the filter provided. I will check back with you then. Thank you"

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1 Answer

Shut down after 30 seconds


Many projectors shut down if they cannot find anything attached to them.
Make sure you have a computer attached and sending an image out to it before you hit the projector reset button again.
It's a bit like the chicken and the egg since some laptops won't send an image out the cable unless it senses a projector, and the projector shuts down if it does not detect an incoming signal fast enough.

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Sharp XR-30X starts up then shuts down after 30 seconds.


sounds like it is overheating -- are the fans installed pointing the correct direction, all spinning up well?

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Whirlpool ed25dq Not Cooling


Hi,

Unplug unit from the wall, remover the start relay from the compressor and shake it. If its solid possible bad compressor, if it sounds loose (broken part) then most likely bad relay. Verify your model number as you are missing some letters.

Good Luck

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I have an amana abb1924des. A few days ago it stopped cooling. It was making click and buzzing sound. I changed the overload relay and capacitor. The refrigerator started working again for a few hours. The...


Hi there

Only bad news I'm afraid, the click and buzzing sound is a seized compressor, you said changed the relay and capacitor, good idea but often a seized compressor will come free if it cools for a while, unfortunately it will normally seize again fairly quickly. A job for the tech guy.

Best wishes

Gordon

Apr 17, 2011 | Refrigerators

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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

Nov 12, 2009 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Maytag Dryer - funny buzz sound and then nothing


my dryer makes a buzzy sound bt it wnt start just make a buzzy sound

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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...

1 Answer

EP719 Projector is "Buzzing"


Could be something touching the color wheel

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Loud humming or high pitch buzzing noise coming from my rca dlp tv 50 inch


I have a very high pitched sound and when I move the tv it will stop for a second or two and then start again. The sound sometimes stops all together. But very high pitch sound.

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