Question about Denon AVR-1604 Receiver

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No sound on digital inputs

Hi, When I have a digital input, either COAX or optic, I am not getting any sound in any mode. This includes stereo, 6 ch surround etc.
Analogue input and tuner is all OK, but only on stereo or direct but not in surround.

When I have a digital input, the 'digital' on the display is shown indicating a digital input, but nothing going to speakers.

The relays click in, but no sound on either speaker.

Test tone also not working.

Any assistance greatly appreciated.

Dave

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  • dahbrown Feb 25, 2009

    Thanks! FM works OK. both front speakers work. I have proved the speaker connection as when I put an external input into the 5.1 input all speakers work fine. I also tested with a friend that if I put an optic signal in and connect the optic out into his amp, it works OK.



    I suspect DSP card as there is no voltage on either speaker on the header to the CPU board. I tested this by putting the test tone on, and checking voltage.



    I have also verified the 5V regulator on the DSP board is OK.



    Any clues would be muchly appreciated!

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Hi there, in regards to your problem the only thing i can think of is that you have to go to settings and select the channel for each digital output i.e. aux then optical 1 you must turn it on . then it should automatically switch to that when it detects the digityal signal. 

Posted on Jun 13, 2009

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Do you get sound when on FM? but not on test tone! check all speaker connections, spkrs are on and if thats good you may have to do some digital input assigning, let me know I can help with that

Posted on Feb 25, 2009

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