Denon AVR-990P Setup: Common Issues and Fixes

Quick answer

Most Denon AVR-990P setup issues come down to a few fixable causes: wrong input selection, loose HDMI connections, or a remote that needs re-pairing. Work through the steps below in order, and you'll likely solve the problem without needing service.

Diagnose and fix common Denon AVR-990P setup problems

• No sound from any input: Check that the correct input is selected on the receiver and that the source device is sending audio. Verify the speaker wires are connected to the correct terminals and that the speakers are not set to 'None' in the setup menu. If using HDMI, confirm the TV is set to output audio to the receiver. If you still get no sound after checking all connections, try a factory reset to clear any corrupt settings.
• HDMI handshake failure (blank screen or intermittent signal): Power off all devices, unplug the HDMI cables, wait 30 seconds, then reconnect firmly. Ensure the HDMI cable is plugged into an input labeled with the correct version (e.g., HDMI 1 for 4K sources). If the problem persists, try a different HDMI cable or port. If the handshake issue only occurs with one specific source, test that source with a different HDMI input to isolate the problem.
• Remote not working: Replace the batteries first, then check for obstructions between the remote and the receiver. If the remote uses code programming, re-enter the correct code for your device. For the AVR-990P, you can also try resetting the remote by removing batteries and pressing all buttons for 2 seconds. If the remote still doesn't respond, use the front panel buttons to confirm the receiver itself is working; if it is, the remote may need to be replaced.
• Speaker calibration issues: Run the built-in setup wizard (if available) to set speaker distances and levels automatically. If you don't have a microphone, manually set speaker sizes and crossover frequencies based on your speakers' specs. Use a test tone to balance levels by ear. After calibration, listen to a familiar movie or music track to confirm the soundstage is balanced; adjust individual channel levels if needed.
• Receiver turns off unexpectedly: Check for shorted speaker wires or impedance loads lower than the receiver supports. Ensure the receiver has adequate ventilation and isn't overheating. If the protection circuit triggers, disconnect all speakers and try again; if it still shuts off, the receiver may need service. If the receiver shuts off even with no speakers connected, stop troubleshooting and contact support or consider a replacement.

The receiver we recommend for reliable setup

• Denon AVR-990P 7.1-Channel A/V Surround Receiver - Open Box: The Denon AVR-990P features full HDMI compatibility and a 7-channel discrete mono amp. This means it can handle modern HD sources and drive all your speakers cleanly, but you still need to configure inputs and speaker levels correctly to get the best performance.