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Constant, loud humming noise from all speakers

I just noticed that my Sony speakers/amp (for TV/dvd etc) have a constant, low pitched sound through them.....i have tried unplugging everything bar the FM tuner and the speakers and i still get the sound/distortion. Pretty sure it isnt all the speakers as i have tried the two rear ones which i hardly ever use.....seems to be something from the amp?? I have tried a factory reset on that but no luck.... Can anyone suggest what could be causing it and how i can fix it! Thanks

Posted by Anonymous on

  • Anonymous Jan 08, 2007

    bump

  • darthpunk Jan 17, 2008

    Same Problem here but on Sony STR DE835. Any ideas what could be causing it?

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5 Related Answers

Anonymous

  • 556 Answers

SOURCE: Sony Bravia XBR-2 32-inch LCD with popping noise problem

Has anyone heard of something like this where the cable box/service is causing popping sounds? yes & it is common problem. And is this something I should be concerned about causing damage to the TV's speakers? not at all. The Sony tech-support representative (over the phone) diagnosed it further to a problem not with the TV but with the cable box/service because there were no popping sounds when I played a DVD on my Playstation 2 that is attached to the TV. they are right that your problem is not due to tv. it is due to cable box/service? yes but not defective it reqires to change the way you have connected tv to cable.please call tech to get it connected in such a way so that you do not get popping sound when you you put off cable box.

Posted on Sep 24, 2007

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Anonymous

  • 1 Answer

SOURCE: Sony CMT CP1 Right hand speaker output very noisy, humming, crackling

It sounds to me like you both are having a problem with a capacitor going bad. some capacitors act as a noise filter and it sounds like you both have a bad one. If you are any good with a volt-ohm meter that reads capacitors you should check them to make sure they are at their proper values which will be posted on the capacitor. then replace it. if you dont know how to use a v-o meter then take it to a shop and have them replace it

Posted on Jan 23, 2008

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Anonymous

SOURCE: Sony flat screen

turn off the tv

Posted on Jun 05, 2008

Anonymous

  • 682 Answers

SOURCE: STR--DG910: no rear speaker sound, no center speaker sound

if you confirmed all connection repeat your speaker setup.

Posted on Aug 02, 2008

Anonymous

  • 2 Answers

SOURCE: No sound from rear speakers during test tone usng Sony STR-DE475

I had this problem last night.

To solve it, you can reset the amp by:

1) Put the receiver on stand-by
2) Hold down "MODE" button and press on button
3) "S.F. CLR" appears in the display and surround is back on.


Good luck

Dr Gardner

Posted on Feb 10, 2009

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