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Stereo receiver crackling noise

When adjusting (turning) the volume on my receiver (20 yrs old) I receive sound and a crackling noise from the speakers whether it's radio, CD or casette. If I play with it enough I can get it to a level where the sound is working with no crackling or interference. Is there a simple fix to this? Perhaps I can clean some contacts? Any suggestions would be much appreciated....thanks in advance

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  • Contributor
  • 13 Answers

Open it up and spray it with contact spray. move left and right and then spray again. this will normally do the trick. the crackling noise comes from standing in the same position for to long.

Posted on Aug 13, 2017

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Posted on Jan 02, 2017

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kb8dns
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SOURCE: My sony icf 7600 AM/FM/SW/radio can not catch any channel.

Sony radios of this era had notorious capacitor problems.... also several other brands were affected. These capacitors were underrated and the technology to make them was not at it's best back then. The cure is to replace the capacitors on the board with new electrolytics. About 28 of them need to be replaced but the big problem is to find someone to do this. the original capacitors are surface mount and must be removed and new radial lead caps put in their place, some are rather tough to get at and the new ones have to be placed carefully. My SONY ICF-SW7600 now works as new and maybe even better!
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Posted on Jun 17, 2009

techman
  • 3130 Answers

SOURCE: Losing volume on channels

I am afraid not. That crackling is a component in one of the solid state amp circuits starting to fail. These are all soldered into the printed circuit board. This could be a difficult repair to find an intermittant component. Depending on how old the unit is and how much it cost will factor in on if you have it repaired or not. Rule of thumb is that if the unit is two to three years old and cost less the 200 to 300 bucks you should not invest more then 100 to 150 bucks into it. Good Luck

Posted on Mar 16, 2007

  • 556 Answers

SOURCE: sound interference

As you there seems to be interference via sound as the picture is fine. the interference is a crackling noise& tv is old 1 CHECK SPEAKER 2 so in that case tunning in sound section is disturb get it tnnned. 3 any components in sound section has done defective(SIF)SECTION. 1 CHECK SPEAKER not matching or paper torn or paper cone hard.

Posted on Sep 18, 2007

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SOURCE: Denon AVR-1804 6.1 Channels Audio Problem

Make sure the input setting is set to 'Auto' while on those channels and not Analog.

Posted on Jan 20, 2008

jerryg50
  • 1689 Answers

SOURCE: volume control

Go to the local TV service store and ask the tech if he can clean the control with some contact cleaner.

If the cleaning does not fix it, then there may be a cold solder connection under the control, or the control itself may be defective and require to be changed.


Jerry G.

Posted on May 17, 2008

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It transmits, but no receive, are you sure, have you tried playing around with the volume control?

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