Question about Denon DRA-365R Receiver
I have a Denon DRA-345-R. when turned on i used to hear a click from inside the unit. now when turned on there is no click and no sound from the amp? cann any one help please
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Posted on Jan 02, 2017
OK. That tells me that the output section is good. This may sound silly, but check to be sure that the tape monitor switch is not on.
Posted on Jun 06, 2008
Without looking at the schematics for this particular model, I'd surmise that the click is indeed a speaker protection relay. Generally this is fed by a number of different sense circuits that watch for power amp issues and/or excess speaker current and/or power supply output stability. Although the relays do indeed fail at times, generally it is not the relay that is at fault. If you have a scope and a schematic, you can check the various circuits that feed the relay for the exact cause. If not, you can do some experiments that might help deduce the problem: e.g. do headphones work when speakers do not, does the relay click on when no speakers are connected (or selected), etc. In my experience, it is most often the output transistor(s) in the power amp. But not always ;-)
Posted on Oct 15, 2008
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