Question about Denon AVR-3806 Receiver

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AVR-3806 shuts down while operating DirectTV Satillite only.

My 6 year old receiver had operated flawlessly, but last night while watching TV on my DirectTV satellite and my AVR-3806 receiver powers off and the red light starts blinking. Before powering down, the sound was not modulating properly. The voices were much lower than the background music and laugh track. I checked all of the wiring, and everything seemed to be in order. I changed the receiver input from TV to my Xbox, and everything works perfectly. Is this the satellite box causing the problem or receiver?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 54 Answers

SOURCE: Denon AVR-1601

This is a very common problem with denon receivers of the 2001-2-3 vintage. On almost every one, there are 4 little "surge" resistors in the power supply. These werent quite robust enough from the factory and one day would just burn open for no reason. Well, actually there is a reason, the "surge" that happens every time you power the unit up eventually weakens the resistors and then they pop. You need to take this to a denon service shop as I GUARANTEE they have seen this before. They need to check resistors in the picture, locarde above the **** rectangular connector. Resistors numbers R141, 142, 148, 149: 75f69d7.jpg These resistors when measured, should be less than 10 ohms each. If they are more, then they are blown. If they are blown, then have the shop check the channels for blown output transistors. If the outputs are OK, then these resistors should be replaced with 1 ohm 1/2 watt metal -film flameproof resistors. You might need to be prepared for a large bill, because the entire unit must come apart to replace the resistors, however, just checking them takes only about 10 minutes... Good luck and don't try this at home. Rob

Posted on Apr 08, 2008

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tech48
  • 624 Answers

SOURCE: Denon AVR-1907 blinking red power button

It sounds like you have a bad speaker on the zone 2, or you have the speakers connected improperly.

When you engage the zone 2 a relay clicks and the speakers then become part of the amplifiers circuit.

If the problem was in the amplifier, it would go into protect mode without even having speakers connected to it.

If the speakers all check good, you most likely have the wrong type of speakers, meaning the impeadance is too low, or you have too many speakers connected to it.

On the back of the Denon, you will see right around the speaker output jacks, what ratings the speakers should be. If I remember correctly, it says 6 ohms or more when using only "A" or "B", and it says 12ohms or more for "A" + "B".

If you have two 8 ohm speakers on the same speaker jack you now have a 4 ohm load. That is below the ratings and can cause the amp to shut down (go into protect). Since your amp shuts down right away, I think you have a bad speaker or way too many speakers connected.

I have seen many times when people will connect 2 or 4 speakers to the one of the outputs that are designed for only 1 speakers.

If you are using too many speakers you will need a speaker distribution box. It has a resistor network built into it so the amp never sees a lower impeadance than what it is designed for.
You can connect 4, 6 or 8 speakers to one set of outputs designed for 2 speakers. You do loose a lot of power to the speakers, but it is better than blowing up your amplifier.

If I can be of any further help, let me know.

Posted on Jun 22, 2008

xscrewdriver
  • 246 Answers

SOURCE: My Denon AVR 3806 keeps

Your receiver has short circuit somewhere. The protection circuit shut off the unit to prevent more damage. You can try to disconnect all speakers. If there is not improvement, you need to send your receiver to repair.

Posted on Jul 06, 2009

Bulldog AV
  • 52 Answers

SOURCE: Voice volume is low compared to background music

Could be a number of things.
Most likely your surround sound mode. Some people dont like Dolby. Try to switch to 5 channel stereo.
Other option is to turn the center channel speaker channel volume up. Voices and dialog come from the center channel speaker in Dolby modes. Post back if you need instructions.
Please rate my solution.

Posted on Dec 01, 2009

  • 1 Answer

SOURCE: how do I setup my xbox 360 to my denon avr 3806

I was able to get sound, but no video so far.

Posted on Jan 01, 2010

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Just fixed this myself - made my head hurt to figure out. 1. Switch to a setting (say DVD). 2. Watch the AVR screen as it switches. You'll see the audio and video settings. For example, Audio = DVD, Video = DVD (Mine showed Audio = DVD, Video = DBS even though is was set correctly using the SETUP for audio and video)3. Under the round control knob on the left, push the (tiny) Video Select button. 4. Turn control know to choose the correct video source
Your system should work right. Mine did.

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Make sure the control feature is disabled on both units so that they are not trying to send control signals to each other.

Secondly make sure your input is configured to hdmi for both audio and video within the receivers on screen menu The receiver usually auto senses the digital audio signal but doesn't automaticly know that it should use hdmi for video.


Dec 19, 2009 | Denon AVR-3806 Receiver

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Denon AVR-3806 keeps losing video signal. The audio signal is still good. What could be the problem?


If your using HDMI, pull it from the receiver and run directly to the TV, then run optical or digital coaxial to your receiver. It's referred to in the industry as a "Handshake" issue. It has to do with firmware and hardware of your receiver and continuous ridiculous updates from the recording industry to protect copyright. Hope this helps. If you still have issues, post a comment and I will help you troubleshoot further.

Sep 20, 2009 | Denon AVR-3806 Receiver

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My Denon AVR 3806 keeps turning itself off, why?


Your receiver has short circuit somewhere. The protection circuit shut off the unit to prevent more damage. You can try to disconnect all speakers. If there is not improvement, you need to send your receiver to repair.

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try plugging another device into the tv input and mank sure you have the input mode is set to auto if you still have no sound those inputs are gone
http://www.usa.denon.com/ArchivedAVReceivers.asp?archivedModelSearch=true&clearCurrent=true&archivedCategory=AV&archivedModel=AVR-587&imageField.x=106&imageField.y=8

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open unit replace fuse....im sure u have blown fuse..


rate me fixed ok

Feb 14, 2008 | Denon AVR-3806 Receiver

1 Answer

Avr 3806 power shuts off when volume turned up


Hello david 420

It looks like your receiver's high-speed protection circuit is being activated. It is definitively not a fuse. When a fuse pops, you have to physically replace it. When the protection circuit is activated, the speaker output is cut off and the power supply indicator flashes. There are a few reasons why this happens:

1.- Your speaker wire connections are loose. Whether they are banana plugs or bare wire ends, make sure the speaker terminals on the back of your receiver are tight using clockwise turning.
2.- Verify that your speakers have an impedance between 6 and 16 ohms. Your receiver was designed to work with that impedance range. Any impedance lower than 6 ohms will activate the protection circuitry.
3.- The receiver is used at high volume levels over a long period, which results in an
extreme temperature rise. Improving the ventilation conditions around the unit might help alleviate the problem.

If after complying with these suggestions, problem is still present, you might need to have the unit checked by a professional for possible circuit failure.
Hope this helps. Let me know.

cancerags

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Set up Denon AVR 3806 to HD DVD player


Geesh! Finally found it in that encyclopedia of an instruction manual. If you have the manual, the solution is on page 63. If not, I'll provide an attached image below.


Dec 23, 2007 | Denon AVR-3806 Receiver

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