Question about Audio Players & Recorders
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
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
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!
I have done this myself as I have skills working with surface mount capacitors. I offer my services to those who cannot find service for their radios. Please email me for details, I am not into making bucks on this, I just want to see these radios kept working and bringing enjoyment to their owners.
Good DXing Rod KB8DNS (also copied and paste)
Posted on Jun 17, 2009
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
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
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.
Posted on May 17, 2008
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