Question about Denon AVR588 Receiver

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Not working My theatre system suddenly stopped working. I got it in December. Any suggestions on what to do?

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  • msaint41 May 10, 2008

    Had Cable box hooked-up to HDMI 2 and dvd to HDMI 1 with cable coax audio hooked into coax 2 and dvd audio hooked into coax1. Everything worked fine. Got Xbox 360 took dvd HDMI out and hooked-up Xbox 360 into HDMI 1 and audio cables into AUX red and white. Everything worked fine then after several hours I heard a buzz in speakers then lost sound. I removed Xbox cables from AVR588 had sound for cable box for awhile then lost sound again. I tried to reset system by holding in Speaker A and B buttons in at the same time, but nothing. HELP! EXTREMELY FRUSTRATED!!

  • Anonymous Jun 17, 2008

    I have the same problem. A buzzing sound started with my speakers and then all sound was lost. To eliminate the possibility it was simply my Bose speakers, I plugged my headphones in. I had sound for a couple minutes, then the buzzing began and I lost sound from the headphones as well.

    Any suggestions?

  • mocc Oct 03, 2008

    I am returning mine what a dog

  • senior_kay1 Jan 11, 2009

    I have a AVR588 and the power button starts flashing red 5 minutes after it is turned on. This happens with nothing connected. Can anyone help.

  • rwbuckn Jan 26, 2009

    I'm having similar problems but not as extreme as the thermal/short protection kicking in as indicated with the red flashing power indicator. I can listen to a DD or DTS signal for awhile before buzzing or popping starts and usually followed up with no sound. I can switch my mode to stereo and back to resume normal operation only for it to occur again in a short period of time. So far most of my DVD's play fine with the exception of 1 DTS music CD. It's almost a sure thing it will happen with signals from my HD cable box. Both are digital connections and I've tried different cables using both coaxial and optical. It even occurs with analog connection from my CD player in DLII mode. I'm thinking the worst and have e-mailed Denon, waiting on a response. I've used this receiver all of 1 month now. I've checked all connections for shorts or loose connections, all ok there. Air flow around the unit is fine and in fact this unit doesn't feel as hot as an Onkyo that I run downstairs. Is there anything that I could be checking while I wait on Denon? Bad timing as the big game is coming up this weekend.


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I contacted Denon they said to try the reset gimic on page 38 of their manual that didnt work so they told me toreturn it for service at an authorized Denon dealership. Mine is in NJ the set was purchased in August of 2008 and it stopped working Sept 27th 2008 thats quality for you.It takes 3 hours to set it up then this happens. I love the Boston Acoustic speakers but the Denon people can keep their reciver 588 AVR

Posted on Oct 03, 2008

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If power button is flashing red and you have other devices stacked on top of AVR it is probably overheating.

Posted on Apr 24, 2008

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When you indicate system stopped work, I assume you mean the receiver is dead or malfunctioning. I need more info for more advice

Posted on Apr 24, 2008

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