Question about RCA RS2640 CD Shelf System

2 Answers

Buzzing noise My audio system recently started making a constant buzzing noise out of the speakers. When I turn the radio on or the cd player on, I still just get the buzzing noise. When I disconnect the speaker wires or hit mute, the noise stops. Reconnect the wires or turn off the mute and the buzz returns. I have unplugged the power cord to reset the system, but that didn't help. I have check out many forums for help with this problem and it sounds like this is a power supply problem. What do you think? If you have a resolution, can you help me figure out if it is worth fixing based on the repair cost? We paid about $150 to $200 for it. Thanks for any advice you can give me. David Dempsey

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  • Anonymous Apr 20, 2008

    JUST PURCHASED AT A YARD SALE, CONNECTED IT AND THERE ARE ISSUES. IT PLAYS BUT SKIPS, STOPS, BUZZES ON SOME CDS, DOES NOT PLAY OTHERS. THERE ARE NO RETURNS UNDER THE CIRCUMSTANCES, BUT I LIKED THE UNIT. IS IT REPAIRABLE? IS IT WORTH REPAIRING, OR AM I JUST STUCK WITH A FAULTY UNIT. I WOULD APPRECIATE YOUR INPUT.

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2 Answers

Of course it will stop buzzing when you mute the speakers. From the limited description, it could be anything from a power supply to loose wires in the system between the speaker leads and the motherboard. Best bet is to take it in to a technician and get a pro's answer. If he wants to charge more than what it's worth to you, get a new one.

Posted on Jun 19, 2007

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I had the same problem with mine and the fix for it was to replace Q401 transistor on the main board. I used a NTE382
replacement and it has worked fine ever since.
Hope this helps

Posted on Nov 17, 2007

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