I tested with another RPi, supplying the source to the Benchmark DAC3 HGC. And as I said, I also tested the RPi connected to the Tone2 with the DAC3. Both Pi’s work perfectly. The issue isn’t the source (Roon displays music is streaming); the issue is no output.
Unless Khadas or someone in this community can give me some reset or other instruction to solve this, it’s a defective unit. The path is extremely simple: valid source in, line out to a preamp. No sound, regardless of cables, Pi’s, changing inputs… this is pretty basic stuff. The Pi isn’t an issue (I have 6 active Pi’s working flawlessly).
The Tone2 can also get power form the Pi 4B, which has a 3.5 amp power supply. I tested that as well; the Pi works perfectly, however disconnecting the second power supply didn’t change anything.
And again, I have several friends running the exact same configuration, and it works perfectly for them.
Thanks for the suggestions, but Khadas needs to step in and give me a solution. I’ve waited a long time to get the Tone2. I expect line out to work.
Roon recognizes the Tone2 Pro; otherwise I’d never see this screen.