No sound from cvp207

by Andriamaro rajao
(Tunis, tunisia)

There is no sound with my cvp207, but the Midi works. I use an external expander with midi cable and it works.
Also i can use the audio input, so i can plug the expander to this audio input, and i can hear the sound from the expander.

What could be the problem?

Whre to find items for cvp207?

Thanks