Hi Frank,
I reflash the mSD then did again. Now it seems everything seems better but no sound.
I attach the debug fyi http://pastebin.com/QVit6G49
Thanks.
P.S: used this ES9018K2M board with C2 it played very well. Spent much times on this on RPi2 but it made me crazy but I would like to say my warm thanks to you Bro !