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Buzzing sound coming from TV Speakers and any external speakers

.. Have a FLM-373B Polaroid 37" Flat Panel LCD TV. Turned on one day and have what can be described as a "helicopter buzzing" sound coming from both speakers (and anything I plug into the headphone jack). Other than that I have no sound no matter the volume control. I have clear video picture, just no sound other than the buzzing. Depending on the video source selected the volume/freq/repetition of the buzzing changes, only on the HDTV coax cable source does the sound appear to stop, but still no other audio. I already replaced the OEM capacitors as per the post on FixYa.com but still have the same current issue.

Posted by PyroOptic on

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Sonny Berry

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Your model has all the audio and video circuits that are all within the Control Box unit which has to be replaced as a unit. You can get one at the following link. You would have to leave them a email as they dont list the polaroid Control boxes, But I know they have one for your model. Just click on the " contact Us" link and let them know the model number they respond quickly.
http://servicemanuals.vstore.ca/
This is what the control box looks like.Buzzing sound coming from TV Speakers and any exte - 1099091.jpg

Posted on May 08, 2009

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