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Humming and or buzzing sound

I am experiencing a high pitched noise whith Pioneer plasma

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Posted on Jan 02, 2017

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gopakumarg43
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SOURCE: My pioneer plasma hdtv turns on with a black screen and a high pitched sound. What could this be?

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Ffaults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.

Posted on Dec 21, 2014

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Refrigerator has developed a low buzz or hum. Do I need to be concerned?


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I understand that your Frigidaire refrigerator, LFHT1817LW1, is buzzing or humming. With modern, high efficiency compressors you may hear a high pitched humming or pulsating sound. Additionally, if you have an icemaker equipped inside of your refrigerator the water valve may produce a buzzing noise as the valve opens to fill the icemaker with water. I hope this has been helpful. -Matt

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