Thanks for replying Ed. My powerbook is a 17" 1.5g G4. The headphone jack looks ok but I can't see much detail from the outside. I had never tried headphones with it before it failed. After reading your suggestion I dug out a pair of old headphones…
Could be a bad DC- sound board. What is the speed of your Powerbook? I had to replace one in one of my Powerbooks due to power issues. I mistakenly ordered the wrong board for my particular Powerbook (new replacement board which I still have). When…
update- I reinstalled OSX and still have the problem so I guess it is a hardware problem. I would still welcome any suggestions if you know anything about this type of problem.
Unfortunately, the adapter is no longer available. Sorry Rodney. Did you get the Powerbook repaired? Where do you work? I have spent time at TI and E-Systems. I used to sell QC test equipment.