Hmm, so not that then. Could you try this command:
speaker-test -c 2 -t sine -D plughw:PCH
...to see if that gives any sound output through the headphone jack?
Hmm, so not that then. Could you try this command:
speaker-test -c 2 -t sine -D plughw:PCH
...to see if that gives any sound output through the headphone jack?