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Modular Amps
Egnater / Randall Modular Amps
problem with RM4 repair - need some advice
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<blockquote data-quote="tuna141" data-source="post: 85506" data-attributes="member: 2652"><p>Have you tried banging the side of the RM4 when the output is low? Does it momentarily fix the problem?</p><p></p><p>It may be a cold solder joint making a poor connection in the signal path. When you turn up the gain pot on the module, it allows more or current to flow through, which bridges the poor connection. I'd try touching-up the solder joints in the RM4 and see if that helps. Also, make sure any socket components and all connectors are fully seated - I'd also try re-seating them to remove any oxidation on the connectors.</p></blockquote><p></p>
[QUOTE="tuna141, post: 85506, member: 2652"] Have you tried banging the side of the RM4 when the output is low? Does it momentarily fix the problem? It may be a cold solder joint making a poor connection in the signal path. When you turn up the gain pot on the module, it allows more or current to flow through, which bridges the poor connection. I'd try touching-up the solder joints in the RM4 and see if that helps. Also, make sure any socket components and all connectors are fully seated - I'd also try re-seating them to remove any oxidation on the connectors. [/QUOTE]
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Modular Amps
Egnater / Randall Modular Amps
problem with RM4 repair - need some advice
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