Question about Denon AVR-1907 Receiver

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NO POWER Denon AVR 1907 will not even go to stand-by mode. Two fuses (inside rear right) are OK. Are there any more fuses in?What might be the problem. On the first fuse there is 110V reading. Don

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Dennis McCollum

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There are no more fuses that will make this work.Turn off power and disconnection the primary side of the power transformer (the big one) check with a ohm meter,it should read all most a short,if it reads nothing you have a defective power transformer. The transformer will be bad if you get no standby light at all,that is if all fuses are good.

Posted on Apr 22, 2010

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http://www.retrevo.com/support/Denon-AVR-1907-Receivers-manual/id/696ci072/t/2/
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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.
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If I can be of any further help, let me know.
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