Quick answer
- Ensure the receiver is powered on and not muted.
- Check all cable connections, especially HDMI and speaker wires.
- Verify the correct input source is selected on the receiver.
- Restart the receiver and any connected devices.
Symptoms
You may experience no sound from your Marantz SR5009 receiver, even though the power is on and the display is functioning. This issue can arise during regular use or after connecting new devices.
Quick checks
- Power and Mute: Confirm that the receiver is powered on and not muted. Look for any indicators on the front panel.
- Connections: Inspect all cable connections, particularly HDMI cables and speaker wires. Ensure they are securely connected.
- Input Source: Make sure the receiver is set to the correct input source that corresponds to your connected device.
- Volume Level: Check the volume level on the receiver and the connected device to ensure it’s not set too low.
Step-by-step fix
- Power Cycle the Receiver: Turn off the Marantz SR5009 and unplug it from the power outlet. Wait for about 30 seconds, then plug it back in and turn it on.
- Check HDMI Connections: If you are using HDMI, ensure that you are using a certified high-speed HDMI cable. If needed, consider replacing it with a Certified Ultra High Speed HDMI cable (paid link).
- Inspect Speaker Wires: Make sure that all speaker wires are connected securely to both the receiver and the speakers. Look for any frayed or damaged wires.
- Reset the Receiver: If the problem persists, perform a factory reset on the receiver. Refer to the user manual for specific instructions on how to reset your model.
- Update Firmware: Check for any available firmware updates for your receiver. Updating the firmware can resolve various issues, including sound problems.
- Test with Different Devices: Connect a different audio source (like a smartphone or another streaming device) to see if the problem lies with the original device.
If it still doesn't work
If you’ve followed all the steps above and still have no sound, it may be time to contact Marantz customer support or consult a professional technician for further assistance.
Thinking About Upgrading Your AV Receiver?
If your receiver is causing recurring HDMI, eARC, or audio issues, it may be worth evaluating whether a newer model solves the problem at the hardware level. Our best AV receivers under $500 guide covers current picks with HDMI 2.1, eARC, and Dolby Atmos — including the Denon AVR-S770H and Yamaha RX-V4A which handle modern 4K/120Hz passthrough reliably.
FAQ
Q: Why is my Marantz SR5009 showing a signal but no sound?
A: This could be due to incorrect settings or a problem with the connected device. Ensure the input source and settings are correct.
Q: Could a faulty HDMI cable cause no sound?
A: Yes, a damaged or incompatible HDMI cable can prevent audio from being transmitted. Consider replacing it with a certified high-speed HDMI cable.
Q: How do I reset my Marantz SR5009?
A: To reset, turn off the receiver, then press and hold the “Power” button while turning it back on until you see the reset prompt.
Q: Does the receiver need to be updated?
A: Yes, keeping the firmware updated can fix bugs and improve performance, including sound issues.
Q: Can I use Bluetooth to connect to the Marantz SR5009?
A: Yes, you can connect Bluetooth devices to the receiver, but ensure that the Bluetooth function is enabled and properly paired.