Quick answer
- Check if the receiver is powered on and not muted.
- Ensure all cables are securely connected.
- Verify that the correct input source is selected.
- Restart the receiver and connected devices.
Symptoms
If your Marantz SR5008 is not producing sound, you may experience one or more of the following symptoms:
- No audio output from the speakers.
- Sound only from certain channels or speakers.
- Sound cuts in and out intermittently.
- The receiver appears to be functioning normally (lights on, displays active inputs) but no sound is heard.
Quick checks
Before diving into more detailed troubleshooting, perform these quick checks:
- Make sure the receiver is plugged into a working power outlet.
- Check that the volume level is set to an audible level.
- Confirm that the speakers are properly connected and powered (if applicable).
- Inspect the HDMI and other audio cables for damage or loose connections.
Step-by-step fix
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Power Cycle the Receiver: Turn off the Marantz SR5008, unplug it from the power source, wait for about 30 seconds, and then plug it back in and power it on.
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Check Input Settings: Use the remote to select the correct input source. For example, if you are using a streaming device, ensure that the input is set to that device.
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Inspect HDMI Connections: Make sure your HDMI cables are securely connected to both the receiver and the source device. If you suspect a faulty cable, consider replacing it with a Certified Ultra High Speed HDMI cable (paid link).
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Adjust Audio Settings: Navigate to the receiver’s audio settings menu. Ensure that the speaker configuration is set up correctly (e.g., stereo, surround sound) and that the speakers are enabled.
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Check for Firmware Updates: Visit the Marantz website to check if there are any firmware updates available for your receiver. If so, follow the instructions to update the firmware.
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Reset the Receiver: If the issue persists, consider performing a factory reset. Refer to the user manual for instructions on how to reset your Marantz SR5008.
If it still doesn't work
If you've gone through the steps above and still have no sound, it may be time to reach out to Marantz customer support or consult a professional technician. There may be a hardware issue that requires expert attention.
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 SR5008 showing video but no sound?
A: This could be due to incorrect audio settings or a faulty HDMI cable. Check the audio settings and try a different HDMI cable.
Q: How can I tell if my speakers are working?
A: Connect the speakers to a different audio source to see if they produce sound. If they work with another device, the issue may be with the receiver.
Q: What should I do if the sound cuts out intermittently?
A: Check all cable connections and ensure that there are no loose or damaged cables. Also, verify that the receiver is not overheating.
Q: Can I use a soundbar with my Marantz SR5008?
A: Yes, you can connect a soundbar to the receiver. Make sure to select the correct audio output settings.
Q: Is there a way to improve sound quality?
A: Ensure that your speakers are positioned correctly and consider using high-quality cables. Adjust the audio settings for optimal performance.