Question about Denon DRA-375RD Receiver
My Denon DRA-375RD has operated flawlessly up until now. When I turn the receiver on, I will have sound from anywhere from 30 seconds to 2 hours and then no sound. The faceplate remains illuminated. Can this be fixed?
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Posted on Jan 02, 2017
you need to check your speakers connections to make sure nothing is touching and all is connected right and not to have to many spkrs on the channels, also only have the skrs on that you are using, make sure zone 2 / 3 are off and multi volm is turned down
Posted on Feb 25, 2009
You have bad connections on your circuit boards, if you are handy with a solder iron then you will need to touch up the solder joints.
Posted on Jan 03, 2011
Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If it protects immediately on a cool power up you should disconnect the speaker connections and try it '*****'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
Posted on Aug 07, 2011
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