Originally Posted by benjamin
I have a Sony STR-K740P reciever. After a power outage about six months ago, it would flash "PROTECT" on the display any time I selected the DVD source, which is actually my cable box -- I have a coax audio cable so I get surround sound on digital channels. After a few months, it worked fine again. No idea why it happened or what fixed it.
I think mine is dead for good, I uplugged it blew any dust off it wiped it down removed the cover blew out the inside of any dust and still dead
