Question about Audio Players & Recorders
You amplifier is having a noise amplification from one of its preamplifiers.The buzzing could be from the power section , the DC supply having lost the filter capacitor. Check this out and add a sam value capacitor in parallel . if the buzz stops the fault is comfirmed. Usually the a/c transcient noise coming into the DC can cause this buzz. If not check if the filter has failed in the preamp. Isolating the section can get to the fault. Howeverr I still hope that the DC power filter capacitor can be faulty. Hope this helps Good day
Posted on Jul 24, 2010
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Posted on Jan 02, 2017
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