Just powered it on after years of not being used, although I know it works just fine. Powers on fine, but the readout on the screen says "AUTO" (small) and "PROTECT" (large) and the little red light under the "ON/STANDBY" is blinking red. I cannot get the readout to change by pushing any buttons? Seems almost to be frozen. What is "PROTECT" mode and how to I get out of it to start using the reciever again?
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Re: Denon AVR-1100 receiver "PROTECT" mode
Replace all the electrolytic capacitors in the power supply. i had the
exact same problem with mine and once i replaced the capacitors it
powered up and stayed on and worked perfect. these capacitors tend to fail as they're of poor quality. this fault is very common on denon receivers, especially the later models.
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Unit is in protect mode there are a few problems that can trigger protect mode the most common is blown channel (shorted outputs). Sometimes one of the 15v regulators may go bad causing imbalance of supplys triggering protect mode. Also sometimes a bad solder connection could cause unit to go into protect also. I work for Denon authorzied repair center in Michigan if your nearby and Shipping to Michigan is economical let me know firstname.lastname@example.org
Unit is in protect mode. Most likely cause of protect activating is blown channel (shorted output transistors). I work for a Authorized Denon repair center in Michigan if Shipping to Michigan is economical let me Know email@example.com
Probably some speaker wires got shorted or the output stages freaked out and the cpu went into protect mode. Normally plugging it out of and in to the wall socket should/could reset it.
First check all wiring at the speaker outputs and on the speakers then if it still wont startup you could try the avr-1500 method with some trial and error pressing of buttons.
avr-1500 reset method: Unplug the unit from the wall, hold down both video select and audio
select at the same time, plug it back in. Keep holding both buttons for
2 secs, unit will reboot. As you have no audio select button on your avr-1100 you might try pressing video select and another key to see if this will reboot it.