Question about Polaroid FLM-4201 42 in. LCD Television
This sound could be a component on the circuit board coming loose and vibrating.
Usually, this is an electrolytic capacitor. It could be some dust or foreign
object has gotten close to the power supply and is causing a slight current
leakage. You should have it checked out. If you get in there yourself, make sure
you unplug the unit first. On the older tube tv's this sound would have been
high voltage leaking from the anode wire.
Posted on Feb 06, 2010
I was able to stop the noise by "Energy Saver mode" I lowerd it and the noise went away. I had been listening to this noise for months.
Posted on Apr 04, 2010
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Posted on Jan 02, 2017
SOURCE: Buzzing sound
Hello, This is a problem with the switching transformer or the ballast used to fire the backlight. You will have to replace the ballast and or the switching transformer soon. In order to replace these items, I would suggest taking it to a qualified TV technician for servicing. I hope this helps, Thank you, Shuttle83 http://www.electron-age-technologies-llc.com
Posted on Jun 11, 2009
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