I replaced the cable around two years ago and it worked fine until now. No more power coming out of the magsafe since last week.
So I opened it again and while testing if there was a parasite connection or something, I found out that the + and - of the “new” cable are somehow connected (resistance test with multimeter). So I unsoldered the white cable from the charger and there is still a connection somewhere between the white and black cable.
With my understanding of electronics, this seems highly problematic for the charger to work but maybe I am missing something.
Any idea?? Could be that the replacement cable is not working anymore (default contact somewhere)?
Thanks for your help
Btw I hadn’t a hot air rework soldering station so I used my soldering station instead. I placed a metal piece on top of the chip with the tip of the iron on it to help diffusing the heat to the entire chip and it mades the trick. A bit messy though but when you have no choice… :)
Worked great for me too!
Thanks for the tip ;)
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