Question about Denon DCM-35 CD Player

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Denon UD-M50 amp/3 cd changer

Cd auto changer reciever. have had 5 years or so but hardly used. Volume started to independently/ spontaneously increase rapidly to max volume today when on moderate volume setting. Turned unit off. When turned on again, the same happened. Pattern repeated again a third time after having played normaly for 10 minutes or so. Any explanations and, ideally, solutions?

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  • doctordoom Aug 13, 2007

    Don't really understand the advice

  • Anonymous Dec 14, 2007

    I have the exact same problem with my denon ud-m50. In addition to the volume going up by itself when I turn the volume down it goes up...WTF?

  • Puzzled-101 Jan 27, 2008

    I have the same problem with my Denon AVR-1802 receiver. I've had it for 5+ years with no problem. Then a couple days ago the volume spontaneously increased to max volume four different times. When I called around to some service dealers they didn't have an answer. Most said they hadn't heard of such a problem. Glad to know I'm not the only one experiencing this phenomenon.

  • dougdenon Nov 28, 2008

    I have a very similar problem with my 7 year old Denon AVR-1802. The receiver will spontaneously go to full max volume (+18 on the front panel) in about 1 second. I have no solution.

  • Puzzled-101 May 11, 2010

    Hi doctordoom and Guest,

    Was just wondering if you ever found a solution to the spontaneous volume increase problem with your CD players. My Denon receiver only did it that one day, but I'm curious to know if yours continued to be a problem and if you ever found a fix for it.




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The tact switch behind the panel is being pushed in by a defective front panel button, the small switch is bad behind the button, or the volume control IC is bad. Good Luck

Posted on Aug 13, 2007


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