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820-01521 no 20v, no PP5V_G3S , PPBUS ok
Hi all I started working on a 820-01521 with no power, it is stuck at 5v there are no signs of liquid what so ever. there was no PPBUS_G3H. pp3v3_g3h is ok and a few others. I noticed that one of the cd3215's has no 1v1 present when connected to USB. I replaced that chip and now the seem to...- Doubleu82
- Thread
- Replies: 3
- Forum: Macbook Logic Board Repair Questions
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A1708 820-00840 liquid damage, no power
Hi All, let me start with introducing myself, I'm an electronics engineer working in software now for ASML. I started repairing macbooks (actually Louis videos triggered me ;-) ) from a hobby perspective now and then but it has grown since to 1 or 2 a week. My repair side carrier made it...- Doubleu82
- Thread
- Replies: 8
- Forum: Macbook Logic Board Repair Questions