Denon AVR-3803 IR Codes
![Denon AVR-3803 manual cover](/images/9fd20a6eb243cfe87dd191ed/thumbs/thumb175x175.webp)
To reset the Denon AVR-3803 to factory settings, turn off the unit and hold the "Speaker A" and "Speaker B" buttons simultaneously. While holding these buttons, turn on the power. The display should flash, indicating that the reset is complete.
To connect a turntable to the AVR-3803, use the Phono input on the back of the receiver. Ensure your turntable has a built-in preamp or use an external phono preamp if it does not.
First, check all physical connections to ensure cables are securely connected. Verify the correct input source is selected. Ensure the mute function is off and the volume is turned up. Finally, check the speaker connections and settings in the setup menu.
The Denon AVR-3803 does not have HDMI inputs. You will need to use component, composite, or S-video connections for audio and video inputs.
The Denon AVR-3803 does not support firmware updates as it is not equipped with network capabilities. It operates with the original firmware installed from the factory.
First, replace the batteries in the remote control. Ensure there are no obstructions between the remote and the receiver. If the problem persists, try resetting the remote by removing the batteries and pressing every button twice.
Connect the front, center, and surround speakers to their respective terminals on the receiver. Connect the subwoofer to the subwoofer pre-out. Use the setup menu to configure speaker sizes and distances, and to calibrate the system using the built-in test tones.
Ensure the AVR-3803 has adequate ventilation by providing at least 4 inches of space around the unit. Avoid placing it in a closed cabinet. Regularly clean the vents to prevent dust buildup. Consider using an external cooling fan if overheating persists.
To configure the multi-zone feature, connect the Zone 2 speakers to the Zone 2 speaker terminals. Use the setup menu to assign inputs and adjust volume settings for the second zone. Control the multi-zone feature using the remote or front panel.
To clean the AVR-3803, turn off and unplug the unit. Use a soft, dry cloth to wipe down the exterior. Avoid using liquid cleaners or spraying anything directly on the unit. For heavy dust, a slightly damp cloth may be used, but ensure it's not wet.