Quick answer
- Check all cable connections, ensuring they are secure.
- Verify that the correct input source is selected on the receiver.
- Ensure the volume is turned up and not muted.
- Restart the receiver and any connected devices.
Symptoms
You may experience no sound from your Marantz SR5010 despite the unit being powered on. This could happen when watching TV, streaming content, or playing audio from connected devices. The display may show that the receiver is on, but there is silence from the speakers.
Quick checks
- Confirm that the speakers are properly connected to the receiver.
- Make sure the receiver is set to the correct input source for the device you're using.
- Check if the receiver is muted or the volume is set too low.
- Inspect HDMI cables for any visible damage or loose connections.
Step-by-step fix
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Power Cycle the Receiver: Unplug the Marantz SR5010 from the power outlet. Wait about 30 seconds, then plug it back in and turn it on.
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Check Input Source: Press the "Input" button on the remote or the front panel to cycle through the available sources. Ensure you select the one corresponding to your device (e.g., HDMI 1, HDMI 2).
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Inspect Speaker Connections: Turn off the receiver and check all speaker wire connections. Ensure they are securely attached to both the receiver and the speakers.
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Verify HDMI Connections: Make sure all HDMI cables are firmly connected. If possible, replace the HDMI cable with a Certified Ultra High Speed HDMI cable (paid link) to rule out cable issues.
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Check Audio Settings: Access the receiver’s settings menu using the remote. Navigate to "Audio" settings and ensure that the speaker configuration is correct and that the audio output is set to "Auto" or "PCM".
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Update Firmware: If you have internet access, check if there is a firmware update available for your Marantz SR5010. Updating can resolve various audio issues.
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Test with Different Sources: Try playing audio from different devices (e.g., Blu-ray player, gaming console) to see if the issue persists across all inputs.
If it still doesn't work
If you've followed all the steps above and still have no sound, it may indicate a hardware issue. Consider contacting Marantz support for further assistance or to arrange for service.
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 SR5010 showing a signal but no sound?
A: This may be due to incorrect audio settings or a problem with the connected device. Check the audio output settings on the source device.
Q: Can faulty HDMI cables cause no sound?
A: Yes, damaged or low-quality HDMI cables can lead to audio issues. Try replacing the HDMI cable.
Q: What should I do if the receiver is stuck in mute mode?
A: Press the mute button on the remote or the front panel to toggle mute off. If it remains muted, try power cycling the receiver.
Q: How can I reset my Marantz SR5010?
A: To reset, go to the settings menu, navigate to "System Setup," and select "Reset." Be aware that this will restore all settings to factory defaults.