crwdns2934241:0crwdne2934241:0 D. K. Labudek
crwdns2934249:0crwdne2934249:0:
I had similar problem with my MBP A1211. While reconnecting speakers to I/O board didn't helped I tried reconnecting I/O board to logic board. Sound is back.
crwdns2915684:0crwdne2915684:0:
open