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My amp lost ground and my amp won't turn on I need

My amp lost ground and my amp won't turn on I need this round black part to fix it but I'm not Shure what the part it

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What round black part are you referring to here? Is it the black cylindrical thing in the middle with a silver band on the right side of it? That's a diode. It has a polarity (+-). Normally they have markings on the body (part number or value). If you could take it off the board, the markings might be hidden under the part. Or just bring the part to an electronics parts store and let them find the part for you.

Posted on Nov 23, 2013

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