Question about Denon AVR-3805 Receiver
Posted by Anonymous on
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Posted on Jan 02, 2017
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
I read something the other day in the user manual about re-setting the microprocessors if the display doesn't display properly. Turn the amp off. Hold down the input mode & analog buttons while turning power on. The whole display should flash on & off at 1 sec intervals, then release the two buttons. This resets the microprocessors & supposedly fixes display problems.
Posted on Jul 17, 2008
If your TV has an HDMI input, hook up the PS3 w/an
HDMI cable to the TV. This will give you a high def picture (set up the
PS3 to output the max resolution your TV displays). That will take care
of the video side.
Next hook up an optical cable from the PS3 to the receiver. In the PS3 menu, you have to change the audio settings to output the sound via the optical cable.
Finally to get sound out of the receiver to the speakers, you have to setup the receiver source input. For example if you setup the PS3 to play thru "VCR" input, then you have to make sure the VCR input is setup to use either optical 1 or optical 2 for sound (whichever one you have the optical cable plugged in from the PS3).
Posted on Dec 24, 2008
SOURCE: How do I reset my Denon avr-589?
Press the power button, and speaker a and speaker b simultaneously and hold until the display begins to flash then release speaker A and speaker B buttons. That resets the microprocessor.
Posted on Jan 02, 2010
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