Quick answer
- Ensure your HDMI cable is certified for ARC or eARC. Consider using a Certified Ultra High Speed HDMI cable (paid link).
- Check that your TV and receiver settings are correctly configured for ARC.
- Restart both your TV and Denon AVR S760H.
- Make sure your firmware is up to date.
Symptoms
You may experience one or more of the following issues:
- No audio output from the TV through the receiver.
- The receiver does not recognize the TV as an ARC device.
- Audio and video are out of sync.
- The receiver displays an error message related to HDMI or ARC.
Quick checks
Before diving deeper, perform these quick checks:
- Confirm that the HDMI cable is securely connected to the HDMI ARC port on both the TV and the receiver.
- Ensure that the TV is set to the correct input source.
- Check if the receiver is powered on and set to the right mode for playback.
- Look for any firmware updates available for both the TV and the receiver.
Step-by-step fix
- Check Connections: Make sure the HDMI cable is connected to the HDMI ARC port on both your TV and the Denon AVR S760H.
- TV Settings: Access your TV's settings menu and navigate to the audio settings. Ensure that HDMI ARC is enabled and that the audio output is set to the receiver.
- Receiver Settings: On the Denon AVR S760H, go to the setup menu. Under HDMI settings, ensure that ARC is enabled.
- Restart Devices: Turn off both the TV and the receiver. Unplug them from the power source for about 30 seconds, then plug them back in and power them on.
- Update Firmware: Check for firmware updates for both your TV and the Denon AVR. Follow the manufacturer's instructions to perform any necessary updates.
- Test Audio: Once everything is set up, try playing audio through the TV and see if it comes through the receiver.
If it still doesn't work
If you've followed all the steps and ARC is still not functioning, consider contacting Denon customer support for further assistance. They may have additional troubleshooting steps or solutions.
FAQ
Q: What is ARC?
A: ARC (Audio Return Channel) allows audio to be sent from your TV back to the receiver through the same HDMI cable used for video.
Q: Can I use any HDMI cable for ARC?
A: Not all HDMI cables support ARC. It's best to use a certified HDMI cable designed for high-speed video and audio transmission.
Q: Why is my audio out of sync?
A: Audio sync issues can occur due to processing delays. Check your receiver's audio settings for any lip-sync correction features.
Q: Will a firmware update fix my ARC issue?
A: Yes, updating the firmware can resolve compatibility issues and improve functionality, including ARC.
Q: What if my TV doesn't have an ARC port?
A: If your TV lacks an ARC port, you won't be able to use ARC features. You may need to use optical audio or another connection method instead.