Question about Denon AVR-2106 Receiver

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Crackling sound from denon avr 2106

This problem started a few days ago. When I play a cd the music comes through although it is very distorted. This is only on the optical inputs. If I hook the cd player up to the RCA jacks, it works fine. I tried playing multiple cds in my dvd player, as well, and i get the same distorted results. I've tried all three optical inputs with both the cd and dvd player and get the same results. I have tried 4 different optical cables and get the same results each time. I'm currently running the denon in 2 channel mode only, bi-amped to a pair of Klipsch KLF30's. The tuner works fine, the phono player works fine (vinyl is supposed to have a crackling sound!). All the RCA inputs seem to be fine, only the optical inputs are giving me problems. I'm hoping there is an easy fix, but I doubt it. Is the digital input board bad and need to be replaced, or should the whole unit be replaced? I did try resetting the microprocessor twice, and that didn't change anything. Any help you could give me would sure be great!

Josh

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It's not a speaker issue

Your optical circuit is faulty. It's probably one board assembly for ALL the optical inputs.

If you can live with analog , do that.

If not , you'll need a service tech to get you a new optical board

Posted on Dec 16, 2014

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I think you may have a blown speaker.

Sha'ul

Posted on Jun 27, 2009

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