Quote:
Originally Posted by Electronic M
I remember when I resurrected a KCS-47 (I wanted it gone and wanted to get some YouTube content out of it first) that the width pot would spark when blown on...I think they're prone to tin whiskers. You may want to confirm that it's not being shorted (terminal to terminal or terminal to case) by whiskers...And also that no fuses went when it sparked.
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Equal chance that happened Tom. Never dealt with tin whiskers before but I certainly know of them and what they can do. Would a big shot of contact cleaner (Deoxit Fader) into the width pot possibly clear them out?