UPDATE2*
Okey. Big changes. after Joan irw command now works. I have fresh generated lircd.conf file. now "irw" works and shows
root@raspberrypi:~# irw
0000000000000a81 00 KEY_POWER SONY
0000000000000a81 01 KEY_POWER SONY
0000000000000a81 02 KEY_POWER SONY
but
root@raspberrypi:~# irsend --device=/dev/lircd SEND_ONCE SONY KEY_POWER
root@raspberrypi:~# irsend --device=/dev/lircd SEND_ONCE SONY KEY_POWER
root@raspberrypi:~# irsend --device=/dev/lircd SEND_ONCE SONY KEY_POWER
root@raspberrypi:~#
does not work . What can i try now?