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My marantz sr19ex amplifier has stopped outputting sound

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  • Anonymous Sep 12, 2008

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  • dainnylee Sep 12, 2008

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I am working on one right now, it has blown output transistors and several upstream transistors and burned resistors as well. This channel of the amp will need a rebuild.

Use a volt meter and, with black lead on the chassis, check the voltages at the 3 conductor connectors going to the board at the rear speaker terminals. These are the outputs coming from the amp and if there is voltage on any of these (unit at idle, no volume), the protection circuit will keep the output from getting to the speakers. High voltage here means blown amp, most likely.

feel free to contact me regarding the repair... www.irebuildmarantz.com

Posted on Nov 08, 2008

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