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Old 05-16-2019, 11:16 AM   #17
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Join Date: Jun 2012
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Default Re: Harman Kardon AVR 270

Your power supply is working ok, I suspect there is a fault in one of the amp output sections. place your meter probes on each speaker output terminal and turn on the amp, you should see 0 volts, if you see more than a couple volts on any of the speaker output terminals, that section has a fault, you will likely need to power of the amp between each speaker test as the amp will shut down.

Last edited by R_J; 05-16-2019 at 11:23 AM..
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