You do need a decent sodlering iron to do this and you must make sure you have a very small gauge wire (insulated). Computer Engineering student, I didn't just do this all willy-nilly out of the blue, haha. This fix is fine for me, especially since I had no other option b/c I'm out of warranty and I'm not spending $400 on a new logic board haha.īTW, I'm a Ph.D. This is b/c the switch is basically bypassed, the macbook will never know whether there is a headphone plugged in to the jack or not. After doing so, the headphone jack will not work as an audio output for either analog or optical, but the internal speakers will work fine. While doing so, I found that you can jump two connections (one is sleeve ground and the other I believe is a connection from the switch inside the jack. I reverse-engineered the connections I could access from the bottom of the PCB under the audio jack. So, I took it apart to get a look at the logic bord. Toothpick trick did not work for me, or anything similar. As a bonus, it fits into the little plastic clip on the MagSafe cable so it is always handy.
But I settled on a piece of nail, snipped down to an inch and filed slightly rounded. The shank end of a 1/8" drill bit works well, and burying the business end in a bottle cork prevents it from cutting you (it is sharp). There is no problem using metal, even powered on, because headphone circuitry supplies no power and is protected against short circuits and static electricity. What works for me 100% of the time is inserting a 1/8" metal rod all the way and then dragging it out while applying moderate pressure in the 9 o'clock direction (towards the MagSafe connector). Jostling it with things like air, suction, Q-Tips, toothpicks, ballpoint pen inserts works for some, but not for me. Tugging on it with a bent-tipped safety pin while watching through a magnifying glass works, but only until the next time I unplug the headphones, and so is too impractical. The one plaguing my Late 2006 MacBook is the tip contact. Staring into the glowing red Cylon eye, they are: 2 "sleeve" contacts (nearest you), one at 9 o'clock and one at 3 o'clock (positions on an imaginary 12-hour analog clock dial) 1 "ring" contact (farther in) at 12 o'clock and 1 "tip" contact (all the way in) also at 3 o'clock. The Apple 3.5mm headphone jack may have multiple different failure modes, since it contains 4 equally flimsy electrical contacts.
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