Question about JVC HD-52G786 52" Rear Projection HDTV

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The picture is great but why is there a high pitched noise coming out of the speakers?

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High pitch noise from speakers


Hello there!
Sometimes High pitching its just that, static on the area, like if you are near a microwave, or near other electronic equipments, but, if the skreetching sound keep going or even if you do nothing it could be a line inside the sound card, or you need to clean the volume botton with special electrical cleaner. other that these, its contacts, or bad cap for the volume board inside.
Good Luck!
Carl

Apr 25, 2017 | Acer Computers & Internet

1 Answer

High pitched noise in speaker


Could be an alternator problem. Bad ground wire or just old bad wiring.
If you have an amp then the power wire is to close to the speaker wire.

Aug 28, 2012 | 2006 Lincoln Navigator

1 Answer

High pitched noise coming from TV


could either be the speakers on the tv packing up and the only best way to fix this either take it into a shop to get repaired or just bin and get another one depends on how much it would cost to fix

May 18, 2012 | Memorex MT2206 TV

1 Answer

High pitched noise coming from speakers after installing stereo


you may need to use a power line noise reducer or if useing amps a rca line noise reducer

May 10, 2010 | Boss BV9560 Car Video Player

1 Answer

High pitched noise coming from speakers after installing stereo


check your wires if they are too near some big power wires and move them away from these high powered wires or check your grounds and make sure its a good ground by scrapping the connection until bare metal. Also its a possibility rca's or wires are getting pinched or not fully connected.

Apr 05, 2010 | Boss BV9560 Car Video Player

1 Answer

Noise coming from the speakers


The right speaker is not tighly connected. Check for
loose connection at the terminals, that causes to oscillate (high noise)

Oct 11, 2009 | Audiovox FPE3000 30 in. HD-Ready LCD...

1 Answer

High pitched noise from inside the TV when picture comes on


Hello randapaint,

This might be from the IHVT (Integrated High Voltage Transformer), or more specifically a short in the IHVT causing it to arc, producing the high pitched whine, you are hearing. Take the back off of the TV and try to detect where the sound is coming from, more then likely you will notice it coming from the section that contains a large component with a large red cable coming from it, to the top of the CRT (picture tube). Replace the IHVT (with the exact same model) if it is bad.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Apr 07, 2009 | Televison & Video

1 Answer

Sometimes screams a high pitched noise when turned on


the high pitch noise is from the HV. arcing acrss each other.
( the screen comes up at a pop).
I suggest get a better one. ( sorry! no domastic brand).

Oct 27, 2008 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

High pitched noise coming from the speakers


Hi, this might me a problem of the sound driver. just uninstall the present sound driver and reload the new driver. then check the sound is comming properly

Sep 27, 2007 | Acer Aspire 3000 Notebook

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