Question about Denon AVR-1100 Receiver

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Denon AVR-1100 receiver "PROTECT" mode

Re: Denon AVR-1100 receiver

Just powered it on after years of not being used, although I know it works just fine. Powers on fine, but the readout on the screen says "AUTO" (small) and "PROTECT" (large) and the little red light under the "ON/STANDBY" is blinking red. I cannot get the readout to change by pushing any buttons? Seems almost to be frozen. What is "PROTECT" mode and how to I get out of it to start using the reciever again?

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  • 2 more comments 
  • Anonymous Dec 28, 2008

    i have same problem with avr-1200

  • ajensen Dec 28, 2008

    i have same problem with avr-1200 ,auto lite with protection flashing and no front panel control

  • Anonymous Mar 22, 2009

    there might be a shorted transistor or other component in the output section of this device. you will have to take it to a technician.

  • Anonymous May 14, 2009

    my denon avr-1200 just started doing the same thing yesterday...been fine before that.  manual is long gone and I cant seem to get it out of this funky state.

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  • 99 Answers

Replace all the electrolytic capacitors in the power supply. i had the exact same problem with mine and once i replaced the capacitors it powered up and stayed on and worked perfect.
these capacitors tend to fail as they're of poor quality.
this fault is very common on denon receivers, especially the later models.

hope this helps?

Posted on Jul 27, 2010

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