Question about Denon AVR-1908

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I have a Denon AVR 1908 making popping noises intermittantly through all speakers. The procedure for resetting the microprocessor in the manual did not work after three attempts. Denon thinks it is the DSP board and is willing to authorize a warranty repair even though it is one week outside of the two year period. The three closest repair centers they gave me to pick from all have terrible customer ratings. Who does the best repairs that I can get Denon to send an authorization to, or am I better off forgetting the whole idea? I researched the likelihood of a long-lasting repair and it doesn't look good either.

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Posted on Jan 02, 2017

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Tekmekanik
  • 34 Answers

SOURCE: static and popping from Harmon Kardon AVR 340

Hi,

You seem have a problem with a component in that channel, the bad news is that it is hard to fix that type of problem (you would be better off if the channel died). All of the components in the final output section are part of the same audio loop (per channel), which makes it hard to find the faulty part.

Sounds to me like a bypass or coupling capacitor is faulty or need to be re-soldered, either way to fix this problem you should take it in to a repair shop.

I hope that helps and sorry for the bad news.

Posted on Jan 29, 2009

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cjackHD
  • 71 Answers

SOURCE: Noise coming out of speakers connected to Denon AVR 1908

Check for nearby wireless devices and move them away. -If the audio output from the source device (i.e. DVD, CD player) is digital (i.e. PCM, DTS or Dolby Digital) you're on your own. I'd be willing to bet the output is analog (red and white RCA), because the "beeps" and "exploding sounds" you describe seem like it could be caused by interference. Try replacing the cables. Otherwise the issue is probably with your receiver.

Posted on Aug 11, 2009

rylee_smith
  • 8619 Answers

SOURCE: My Denon AVR-1507 keeps automatically

Hi


Thanks for using FixYa. Store these instructions in a safe place. After reading, store these instructions along with the warranty card in a safe place. Whenever the power operation button is in the STANDBY state, the unit is still connected to AC line voltage. Please be sure to turn off the power operation button or unplug the cord when you leave home for, say, a vacation. Note that the illustrations in these instructions may differ from the actual unit for explanation purposes. Please click on this link for further reference---


Denon AVR-1507 keeps automatically turning off



Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks

Rylee

Posted on Sep 28, 2009

  • 5 Answers

SOURCE: While watching tv my speakers started cracking and

I had the same issue..I called Denon support and they fixed the problem. You need to reboot the micro-processor....turn off the unit...hold down A+B then turn on...the display blinks (all the display is illuminated) Let go of the buttons.....issue resolved!

Good luck....

Posted on Mar 09, 2010

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1 Answer

UNIT TURN ON THE THE SPEAKERS MAKE A LOUD SQUEEKING NOISE AND A POP THEN THEY GO OUT


You might want to disconnect the speakers at this point just in case they haven't been irreparably damaged by the amp problem.

Try the amp 'naked" (no speakers). Does it still cycle off? Take it to a technician. If it stays up try one speaker; then the next. At some point you will either have identified the failing component/channel or the failure will have gone away (doubtful).

Jul 10, 2011 | Denon AVR-1908

1 Answer

Denon AVR 1908 keeps shutting off...


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 'naked'. 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.

Check for loose speaker connections at the speaker as another possible root cause for intermittent shutdown.

Jul 04, 2011 | Denon AVR-1908

1 Answer

How do I restore factory defaults on my Denon AVR-2809? I can't see it in the manual. Thanks


Register and download the USER GUIDE (10.6MB) for free at retrevo.com

http://www.retrevo.com/support/Denon-AVR-2809CI-Receivers-manual/id/21864dj590/t/2/

Page 60

Resetting the Microprocessor

Perform this procedure if the display is abnormal or if operations cannot be performed.

When the microprocessor is reset, all the settings are reset to their default values.


1 Turn off the power using <POWER>.

2 Press <POWER> while simultaneously pressing
<STANDARD> and <DSP SIMULATION>.
3 Once the display starts flashing at intervals of about 1
second, release the two buttons.






Mar 30, 2011 | Denon Audio Players & Recorders

1 Answer

My Denon AVR-1709 was professionally installed. It lasted less than 2 years, then the speakers started popping, then a few days later there is no signal to any of the 5 speakers or subwoofer. same for all...


This is a case where the audio output ic's have failed, you describe a popping sound which is a classic sign of total audio collapse. Since this was a professional installation, I recommend a top of the line audio technician with an estimate in mind.

Jan 07, 2011 | Denon AVR-1709 Receiver

1 Answer

The Denon does not play any source on the speakers, just on the headphone jack in the front. What could be the reason?


You might want to review the manual below:

http://www.usa.denon.com/AVR-1908-OM-E_109.pdf

1) Make sure MASTER VOLUME is not set too low 2) MUTE should be OFF 3) Make sure nothing is plugged into the PHONES jack 4)Make sure the source program has a signal present - the inputs may not be connected to the selected source on the front panel (or try FM or AM for a source instead) 5) Check for proper connection at each of the speakers AND at the rear of the stereo. 6) Perform a microprocessor reset: a.Power the unit off, b. Press and release the "POWER" _while_ keeping both "Speaker A" and "Speaker B" buttons pressed. Once the display begins flashing in 1 second intervals, release both speaker buttons.

Hopefully, one of those steps will solve the issue. Please rate this reply if it was helpful - good luck!

Jun 30, 2010 | Denon AVR-1908

1 Answer

Speakers are popping


you may have a bad cord to your speaker or a bad rca cord ive had some what the same thing it turned out too be a bad groung on the rca cord

Nov 29, 2009 | Audio Players & Recorders

1 Answer

Help me set up avr1908


Did you try Denon customer care?

Nov 01, 2009 | Denon AVR-1908

1 Answer

Noise coming out of speakers connected to Denon AVR 1908


Check for nearby wireless devices and move them away. -If the audio output from the source device (i.e. DVD, CD player) is digital (i.e. PCM, DTS or Dolby Digital) you're on your own. I'd be willing to bet the output is analog (red and white RCA), because the "beeps" and "exploding sounds" you describe seem like it could be caused by interference. Try replacing the cables. Otherwise the issue is probably with your receiver.

Aug 11, 2009 | Denon AVR-1908

1 Answer

Back speakers with av denon 1908


Plug your rear 5.1 speakers into the surround speaker connections. Be sure to use the AVR 1908 set up menu to set rear speakers (not an amp assign). Hope this helps.

Jan 03, 2009 | Denon AVR-1908

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