Question about Denon AVR 2808Ci Receiver

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When I turn on my receiver, it automatically turns off and the power button flashes red. Prior to shut down, the receiver display notes "Tuner Ext. In" What's the problem? It has worked p

Regarding Denon AVR-2808CI When I turn on my receiver, it automatically turns off and the power button flashes red. The display on the receiver prior to turning off says "Tuner Ext. In" Any thoughts on how I can fix this?

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  • 163 Answers

Protection circuit turns off the unit because of critical conditions- wrong power supply voltages or one of the power amplifier channels is bad. First, visual inspect the power amp board near the heat sink for burned resistors, test outputs for a short. If there are no problem you may try to turn the unit on and you have several second before it shuts down to check power supply voltages and power amp output voltages and bias, then ... Long story you'd better take it to a repair shop or repair at ebcelectronics.com

Posted on May 09, 2009

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Posted on Jan 02, 2017

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How do i factory reset my Harman Kardon avr 55 receiver


Troubleshooting Guide

Processor Reset
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ELECTREPAIRUSA@ELECTREPAIRUSA.COM

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1 Answer

No display but have sound


HI
Try resetting the system . if this doesn't work.
"Service" is needed .
To clear the AVR's entire system memory including
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times and speaker configuration data.

1: first put the unit in Standby by pressing the System
Power Control button
2. Next press and hold the Tone Mode button 8 for three seconds.
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this will clear all the proccessor.
Note that
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Good luck
Kind Regards

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