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Message: <blockquote data-quote="dB-r" data-source="post: 6778812" data-attributes="member: 574699"><p>If I remember right those amps have some goofy add-on input board with crossover, gain, etc on top of the amp.   There is a possibility that is you take the cover off, and remove and reinstall that board (it has pins that go into sockets if I remember right, can be pulled out of the amp easily by hand, maybe remove a few retaining screws) it may start working fine again.   If not either it's going into protect because the output drive or mosfets (output bridge, as makeshift audio put it) are bad and you are hearing it try to come on but then cutting back off when the protect circuit tells it not to come on, something is wrong, or the RCA jacks are broken loose from the input board.  You could check those RCA jacks while you got the cover off and input board out of it.</p></blockquote><p></p>

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