How do i reset denon 355uk amplifier - Audio Players & Recorders

To add a 2-channel amplifier to your Denon AVR 2307ci receiver, you can follow these general steps:
1. Determine the amplifier connection type: Check the specifications of your 2-channel amplifier and identify the available input and output options. Common connection types include RCA (analog) and speaker wire (for binding posts or terminals).
2. Identify the pre-out connections on your Denon AVR: Locate the pre-out connections on the back of your Denon AVR 2307ci receiver. These are typically labeled as "Pre Out" or "Preamp Out" and may be color-coded. You will need to find the pre-out connections for the front left and right channels.
3. Connect the RCA cables: If your amplifier has RCA inputs, use RCA cables to connect the pre-out connections of the Denon AVR to the corresponding inputs on the amplifier. Connect the left channel pre-out on the Denon to the left channel input on the amplifier, and do the same for the right channel.
4. Connect the speaker wires: If your amplifier uses speaker wire connections, connect the front left and right speaker outputs of the Denon AVR to the corresponding inputs on the amplifier using speaker wire. Make sure to observe the proper polarity (positive and negative) when connecting the wires.
5. Configure the Denon AVR settings: Access the setup menu of the Denon AVR by using the remote control or the front panel display. Navigate to the audio settings or speaker configuration section. Look for an option to enable "Preamp Mode" or "Preamp Outputs." Enable this option to ensure that the front left and right channels are redirected to the pre-out connections.
6. Set the amplifier to the correct input: If your amplifier has multiple inputs, select the input that corresponds to the connection from the Denon AVR.
7. Adjust volume and settings: After completing the connections, you may need to adjust the volume levels on both the Denon AVR and the amplifier. Use the Denon AVR as the primary volume control and adjust the amplifier's volume accordingly.
It's important to consult the user manuals for both your Denon AVR 2307ci and the 2-channel amplifier to ensure proper setup and compatibility. If you're uncertain about any specific steps or settings, it's advisable to consult the manuals or reach out to Denon customer support for assistance.

This video MIGHT help a little

Yes, it is possible to add a Sumo amplifier to a Denon AVR (Audio/Video Receiver) system. The Denon AVR is designed to be the central hub for audio and video processing, providing amplification and routing signals to speakers and other audio devices.
To add a Sumo amplifier to your Denon AVR system, you can follow these general steps:
1. Determine the audio output options on your Denon AVR: Check if your Denon AVR has preamp outputs, which are typically labeled as "Pre Out" or "Main Out." These outputs are used to connect external amplifiers like the Sumo amp.
2. Identify the input options on the Sumo amplifier: Check the inputs available on the Sumo amplifier. It should have an input that matches the output from your Denon AVR. The most common connection is RCA, but there could be other options like XLR or optical.
3. Connect the Denon AVR to the Sumo amplifier: Use appropriate cables to connect the preamp outputs of your Denon AVR to the inputs of the Sumo amplifier. For RCA connections, you will need RCA cables with male connectors on both ends. Make sure to match the left and right channels correctly.
4. Configure the Denon AVR: Once the connections are made, you may need to configure the Denon AVR to use the external amplifier. Check your Denon AVR's manual or menu settings to disable the internal amplifier for the connected speakers. This will ensure that the AVR sends the audio signal to the Sumo amp instead.
5. Set up the Sumo amplifier: Follow the instructions provided with the Sumo amplifier to set it up correctly. This may involve adjusting gain levels, selecting input sources, and configuring any other settings specific to the Sumo amp.
6. Test and enjoy: Once everything is connected and configured, test the system by playing audio through your Denon AVR. The audio signal should be amplified by the Sumo amplifier and sent to your speakers, providing enhanced power and performance.
It's worth noting that the specific steps and options may vary depending on the models of your Denon AVR and Sumo amplifier. It's always recommended to consult the user manuals for both devices and, if needed, seek assistance from an audio professional or the manufacturers' support teams for detailed guidance tailored to your specific equipment.

This MIGHT help a little

Most likely, you Denon has a condition known as DC Offset(meaning a damaged amplifier which requires a major repair) The other issue, may be a microprocessor IC, a computer within you Denon) that has had some issue, causing it to not power up. Try a Factory Reset first. The procedure is found in you owners manual under, Reset, Factory Reset, or Rest to original setting, as it came from the factory..If you need further assistance, please contact me at my my website at audioserviceclinic.com. Thank you.

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Hello
Do a reset to the set. Just unplug it from AC mains wall socket and replug it after 3 minutes or so; or just go to ints user manual to know, how to reset it to factory defaults, and do it. OK.

Register and download the USER GUIDE (10.6MB) for free at retrevo.com

http://www.retrevo.com/support/Denon-AVR-2809CI-Receivers-manual/id/21864dj590/t/2/

Page 60

Resetting the Microprocessor

Perform this procedure if the display is abnormal or if operations cannot be performed.

When the microprocessor is reset, all the settings are reset to their default values.

1 Turn off the power using <POWER>.

2 Press <POWER> while simultaneously pressing
<STANDARD> and <DSP SIMULATION>.
3 Once the display starts flashing at intervals of about 1
second, release the two buttons.

Protect mode can not be "reset". This mode means that a problem was detected in the final amp stage and the unit has been shutdown to prevent further damage. The most common cause of this is failed output transistors. Plan on a parts cost in the $20-$20 range for this repair.

Dan

Try these links

http://ca.denon.com/ServiceCenterLocator.asp
http://www.fredsoundofmusic.com/denon_audio.html

Hope this helps!
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