Join Date: Feb 2013
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I have a 2 year old AVR-391. Over time it has had strange bouts of what I call "alien chatter" where the unit starts giving me a strange alien like sounding audio signal through my speakers when I would power it on or change a channel ocassionally. Now I have a strange high pitch resinance that is coming through the front left surround speaker. I have changed all HDMI cables, speaker wires, swapped rear speakers to the front and no change. Does anyone know what can do for this aside from replacing the entire unit?
Join Date: Sep 2007
Location: Orlando, FL
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Try resetting the microprocessor (p. 51 OM).
"JD" - Call 585-645-1006 or email firstname.lastname@example.org for AVR selection and pricing discussion 8am - 8pm EST daily (incl Sat/Sun)
AV Science - Dealer for Denon, Marantz, Yamaha, Onkyo, Def Tech, Atl Tech, SVS, Oppo
Think you have a defective AVR? Owner's manual - Factory reset 4-5 times in a row.