<font color='#000000'>DVD no sound and Reciever says UNLOCK
STR-DE945 lost manual would like to download one if possible, Pushed some buttons?? now when I switch to DVD I get a message that say UNLOCK and no sound comes out of the speakers all the wires are hooked up correctly it was working great but since I dont have a manual I cant seem to get out of the UNLOCK message any help would be appreciated</font>
