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The Daily Insight

Why does my Denon HEOS sound not work?

Author

John Thompson

Published Apr 16, 2026

Why does my Denon HEOS sound not work?

The first converter didn’t work at all. Apparently, the converter couldn’t decode the 5.1 digital from the TV signal. The second converter worked, but periodically would summon Alvin and the Chipmunks (best way to describe the weird sound).

Can a Denon AVR Play TV over HEOS?

The Heos enabled Denon AVRs are not able to play TV audio over the Heos network. There are however some heos devices that can […] I just purchased a Denon AVRX2400X and am trying to do what you were. I was told by Denon support last week that the TV grouping would work with the AVRX2400H to play the TV in other rooms using HEOS.

How does HDMI diagnostics work on an AV receiver?

3When starting the HDMI DIAGNOSTICS mode, the AV Receiver will automatically start the Hardware Self Diagnostics Test to check whether hardware failure occurs. If there are no errors, the AV Receiver will show the HDMI Diagnostics menu on the front panel display.

Can You Send TV sound to 5 HEOS amps?

The problem is that I cannot send the TV sound to the 5 HEOS AMPS and the 1 HEOS Link I have connected to the network. – I can send music from various other sources through the HEOS App (radio, etc) to them. – I have enabled the “TV Sound Grouping” option for all of them. But I cannot send the TV sound to them.

How to use Denon arc on a TV?

Select “TV AUDIO” from the input source select buttons on the remote control or the receiver. You should now be able to output the TV audio through your AV receiver. Note: To use ARC you must turn on HDMI control in the menu of the receiver, as well as the TV.

What is the HDMI port on Denon av7704?

On the AV7704 the only HDMI port used is port 3 that is labeled Blu-Ray by default. This isn’t a complex system. 3) Hitting CBL/SAT on the AV7704 remote returns from the OPPO to the signal originating from the TV with ARC used for audio.

What’s the difference between CEC and Denon arc?

ARC isn’t a control system as such, it is just a contra-flow audio function. You may be confusing it with CEC, which IS a control system over HDMI (and which is also known to be unreliable). It isn’t as simple as one thing ‘pumping out’ audio and another thing detecting it and then turning on.

3When starting the HDMI DIAGNOSTICS mode, the AV Receiver will automatically start the Hardware Self Diagnostics Test to check whether hardware failure occurs. If there are no errors, the AV Receiver will show the HDMI Diagnostics menu on the front panel display.