Question about Denon AVR-3805 Receiver
Strange one... . The unit has'nt just lost its presets for optical input selection by chance. Most receivers have a volatile memory for user presets that can reset input settings to default when the unit has been unplugged for a period of time. This may mean that your amp is not looking at the optical inputs for that source. If it has correctly selected the optical inputs, then something common to all optical inputs has failed, maybe a a buffer stage between optics, D/A or Source switching stages.
Try disconnecting the unit from the wall socket for 10 mins to do a hard reset and see if that has any resolve to the issue.
Other than that, its out with the multi meter anbd do some DC checks about the optical , buffer and d/a stages. Try the reset and let me know how you go.
Posted on May 06, 2008
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