Question about Denon AVR-1801 Receiver
Ok first, try disconnecting the power source and everything connected to the unit and let it sit for fifteen minutes. This should perform a soft reset...if you have HDMI connections that could be a problem as well. By disconnecting all connections to the unit this problem could be inadvertently cured as well.
Second, take the top off the unit and use a very good magnigying glass; check to see if you have any obviously damaged electronic components...the damage should be obvious to even the untrained eye.
If the unit is still under warranty, consider returning to manufacturer for repair: http://www.usa.denon.com/ServiceCenterLocator.asp
Posted on Dec 10, 2009
This happens if the button of volume getting loose or getting stuck up and not spinning properly.so check out if the button is easily spinning and actually functioning to increase or decrease the volume when you spin the button.many times the internal connection of the button becomes loose so it only works for some extent but does not work properly.
and the other problem is the internal hardware problem in the board.as you mentioned that suddenly the volume got increased without doing anything.so it can be short circuit in the circuit board.its not a major problem just a minute short tracking on the board due to which any of the electrical component supporting the volume settings is got blowed out.you just require to open the unit and replace that faulty component from the board.and this will clear the problem.if not familiar you can get it dome by local electronics repair technician.its not a costly issue to get repaired if a short circuit or a internal button problem.
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Posted on Dec 09, 2009
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Posted on Jan 02, 2017
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