Denonhttps://manuals.denon.com > SEHFSYojjpdajr
Canceling the Panel lock function · Press Power Button while you press and hold TUNER PRESET CH + and TUNE + with the unit in standby mode. · Press TUNE + or TUNE ...
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Marantzhttps://manuals.marantz.com > SEHFSYeumlhqks
Panel lock function ... To prevent accidental operation of this unit, you can disable operation of the buttons on the front panel. Open Front Key Lock N59. Basic.
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The best thing would be to check all the connections, and if everything is in order and tight and still not working properly, then you'll need to notify Denon customer support for further assistance
Check all connections from the DVD player to your amplifier/receiver and TV. Make sure the audio cables are securely connected at both ends.
Try connecting the DVD player to another amplifier/audio system using different cables to isolate if the issue is with the player or cables.
Check the audio settings on the DVD player - make sure audio output is enabled and set to an appropriate format like PCM or Bitstream. Go through the audio setup menu and reset to factory defaults.
Make sure the volume on the DVD player is turned up and not muted/very low. Try different audio tracks on a DVD movie to test.
If connected digitally via HDMI, try swapping to analog RCA connections instead. Or vice versa.
Try playing audio CDs to see if the issue only affects DVD movies or all audio.
Make sure the audio on the disks themselves are okay by testing in another player.
If there was a power surge or electrical issue, the audio circuits could have been damaged. A repair service may be needed.
As a last resort, perform a factory reset or firmware update on the DVD player.
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
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
if you want to set your playback speed exactly right, you need a test tape with a test tone on it (3khz for example). now you hook a frequency counter to your tapedecks output and set the speed accordingly.
It sounds like there might be an issue with the HDMI handshake between the Denon AVR-2807 and the Hisense 4K 65A6H. Here are a few things you can try:
Check the HDMI settings on both the Denon AVR-2807 and the Hisense 4K 65A6H to make sure they are compatible with each other. Some HDMI settings such as HDCP, HDMI Control, and CEC can cause issues when they are not set correctly.
Try using a different HDMI cable. It's possible that the cable you are currently using is not compatible with the Hisense 4K 65A6H.
Update the firmware on the Denon AVR-2807. Sometimes firmware updates can fix compatibility issues with newer devices.
Try connecting the Hisense 4K 65A6H directly to the cable box and see if the sound works. If it does, then the issue is most likely with the Denon AVR-2807.
If all else fails, you may need to consider upgrading your Denon AVR-2807 to a newer model that is compatible with the Hisense 4K 65A6H.
You can try a power reset first. Disconnect the mains power plug for 5 minutes, then press and hold the power button as you plug it back in, continue to hold for 12 seconds.
If that doesn't fix it, take it to an audio repairer.
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Question edited for clarity and 'AVE' to 'AVR'..
Yes of course no problem. The speakers are just that, a speaker, the processing is done by the Denon box not the speaker. You can use any speaker with an impedence of 6 to 16 ohms.
https://www.hifiengine.com/manual_library/denon/avr-3300.shtml
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