Sound plays through speakers not through earphone jack?
A friend has a MacBook Pro 13-inch with what seems to be a blown earphone jack. The speakers work and will even stop playing while a earphone jack is plugged in. The signal itself does not seem to be making it to the phone line though. We have confirmed this with multiple sets of head phones, so are pretty sure it is the jack. Any ideas? I know older models had a separate audio circuit, but so far I have not found it online. I will keep looking and report back here. Great site BTW.