I recently repaired my PowerBook G4 15" Aluminum 1.0GHz DC/Usb Soundcard for the exact same reason. It is NOT possible to push the stem out from behind the jack because it is enclosed. I removed the stem by lying on the ground, computer partly supported by my coffee table with the dc part off the edge, and used a safety pin to depress the latch that is inside the jack, then wiggled the computer around until the stem came into center view. I used very sharp tipped tweezers to grasp the stem and then pulled it out. The tweezers are NOT house-hold type tweezers but the type used to work on electronics. Hopefully your board is not damaged. Hope this helps.
Did you try a replacement charger to see if it works? Sadly, I had to replace my USB/DC Soundboard in the the end
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Thank you both for your thoughtful replies. Will try. FF
crwdns2934271:0crwdnd2934271:0 Frank Farley crwdne2934271:0
In the end, after much consternation and a little money invested in the tools, I pried the thing out with a paper clip. Big relief. Thank you for your kind and excellent help. FF
crwdns2934271:0crwdnd2934271:0 Frank Farley crwdne2934271:0