Question about Denon DRA-395 Receiver

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Denon DAR-395 sparks

One fuse blown. When replaced and powered up sparks come from connection on flat side of aluminum heat sink. Other lights function but not main readout.

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  • Denon Master
  • 1,054 Answers

You most likely have shorted output transistors. This will cause the fuse to blow, and usually burns up a couple resistors as well.

Posted on Apr 22, 2013

  • 1 more comment 
  • Scott McLaughlin
    Scott McLaughlin Apr 24, 2013

    thanks for the comment. I am handy but not with solder or electronics guts. Is this something worth getting fixed? I don't think I can do this one myself.

  • Steve K Apr 24, 2013

    You can probably expect to pay around $150-200 to repair it. Might be better off finding something new.

  • Scott McLaughlin
    Scott McLaughlin Apr 25, 2013

    Thanks for the information Steve. Too bad the fuse doesn't protect the rest of the damage.

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Posted on Jan 02, 2017

techman
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SOURCE: Denon AVR-810 going into PROTECTION mode

It sounds like there is a problem with the differential circuit. The bias I am not sure about, as every unit is different. You should get the service manual to be sure or call Denon and see if they can give you an idea. Good Luck

Posted on Jun 05, 2007

  • 6 Answers

SOURCE: denon avr 5800

I can help you solve this problem. However you must describe to me which fuse you have replaced. Is it the fuse on the power line or is it a fuse in the speaker line (which I highly doubt). usually this type of amplifier uses two technologies. One is transistors the second is integrated chips. This is in regard to the output stages. I assumed you speaker cables shorted each other while the volume was set at a high level with music playing. Anyway if you are willing I am able to help.

Posted on Sep 01, 2007

  • 1 Answer

SOURCE: Denon AVR 883 Audio glitch

More than likely the protector circuit is getting activated... You can't go below 6 ohms on the surround back which means you need 12 ohm or higher speakers for outside (since the two outputs for surround back/zone2 are in parallel). As a simple diagnostic test, disconnect one speaker and see if the sound survives longer than 2 seconds.

Posted on Apr 04, 2009

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