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Paul Bonaceto Posted on Oct 22, 2012

Denon AVR-1709 receiver protection goes into protection mode after 10 to 20 minutes.

Hi, The receiver works perfectly prior to it going into protection mode. I removed all speaker wires and only have the HDMI TV connected while troubleshooting this issue. I have completed all previously posted trouble shooting methods (see below) to no avail. Although this unit is a few years old now, I barely use it. It has never been exposed to a damp environment nor has it ever been in a cabinet where it may be subject to higher temps. I have read some posts concerning bad transistors & resistors which need to be replaced but I hope that this is not the case here... Troubleshooting I have completed several times: 1- Removed all speaker wires to rule out speaker wire short. 2- Cleaned headphone port & speaker ports. 3- Placed unit on table to allow for maximum airflow. 4- Unplugged for 24 hours 5- Assured that the unit is plugged in securely. (sampled more than 1 outlet) 6- Reset microprocessor Thank you for your time! Best regards, Paul

5 Related Answers

Anonymous

  • 3130 Answers
  • Posted on Jun 05, 2007

SOURCE: Denon AVR-810 going into PROTECTION mode

It sounds like there is a problem with the differential circuit. The bias I am not sure about, as every unit is different. You should get the service manual to be sure or call Denon and see if they can give you an idea. Good Luck

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Anonymous

  • 624 Answers
  • Posted on Jun 22, 2008

SOURCE: wiring speakers to denon avr 3802

Those are not compatible speakers for this unit. The Denon receiver does not have any speaker outputs for that type of speaker.

The Denon speaker outputs are full range outputs. Your speakers are not designed for that, they need an amplifier that has seperate outputs for the highs and lows.

By using these speakers you will probably damage them and they will not sound very good as well. The tweeters will end up fried and it is also likely that if one of the speakers goes bad, it will blow one of the channels in the amplifier.

If you really want to do it anyways, and don't say I didn't warn you, you could connect them using the "A" and "B" speaker outputs. Connect the woofers on one set, lets say "A", and the tweeters on the other, lets say "B". Right channel "A" would be the woofer and right channel "B" would be the tweeter for one speaker.

When listening to the unit you would need to engage both the "A" and "B" speaker to hear anything from both speakers, there are buttons on the display for the speakers marked "A" and "B" and in the display you would see little icons that light up when the speakers are engaged.

I can not stress it to you enough that this is not a good idea to use these speakers with this type of receiver. Do this at your own risk and be prepared to pay about $150 to $200 for the repair bill after the amp blows a channel.


Brian LaDuca

  • 149 Answers
  • Posted on Jan 02, 2009

SOURCE: Denon AVR-2309ci receiver keeps losing power after a few seconds

This is a defective unit. bring it back to best buy and have them replace it.

Anonymous

  • 2 Answers
  • Posted on Jan 11, 2009

SOURCE: audio troubleshooting with an AVR Denon 900

ok i have the same reciver do you use hdmi to go to your tv or componet what ever you use there will be an audio out for rca on the cable box if you dont use a cable box keep reading but use hdmi to tcv then the rca audio out to the denon avr 900 obviously out it in the vdp/tv unput. and if you dont use a cable box your tv shoiuld have an audio output in the back of it for rca connect rca to audio output then other end to the denon avr 900s vdp/tv input

Anonymous

  • 119 Answers
  • Posted on Feb 26, 2009

SOURCE: AVR-600

The problem is past that point once the protect continues to activate the amp is in need of service

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