Chosen Solution
Looking to grab a ibook 1.42 used. Love the PPC machines. Owner says no working speakers but the headphones work. I think there is a switch in the headphone jack correct? but this jack is soldered to the logic board? Anyone any experience with this? Update (04/24/2022) Well machine apart, speakers work fine.. in the OS the Headphone jack responds to SPEAKER being output and then HEADPHONES being output.. so its not the mechanical portion of the jack.. I have another one where the speakers dont work.. this must be a common issue?? logic board? the jack itself needing replacement???
Yes! There is a set of switches within the jack which redirects the headphone signal to the speakers
So one or both are either mis-aligned or dirty so they are not making contact when the headphone plug is removed. Using a good microscope and a dental pick you might be able to fix it. Otherwise replacing the jack is the only other way but that’s a very big job! You might be able to find a good logic board to replace yours if that’s important.
