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Apple Macbook Pro A2485 820-02100 Water Damaged, Power, No display
820-02100 with water damage, corrosion around U5200 but was cleaned with IPA. Device chimes, touchpad clicks, successfully negotiates from 5V to 19.5V and hovers between 0.006 and 0.4A. It will spike for only a second up to 1A, then immediately drop down to 0.1A - if left long enough, it will...- ameasere
- Thread
- Replies: 2
- Forum: Macbook Logic Board Repair Questions
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Apple MacBook Pro A2141 / 820-01700 / Water Damage
Macbook Pro A2141 with corrosion around R9581/C9582 (U9580 BGA chip exterior). Used to pull 19.5V 0.39/0.4A draw, often dropping to 0A and going back up to 0.4A again with Type-C power; the T2 gets warm but nothing else really happens. Big Coils Diode Readings: L9080 - 0.412 L9580 - 0.003...- ameasere
- Thread
- Replies: 2
- Forum: Macbook Logic Board Repair Questions
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A1932 - 820-01521-A Fluctuation
I have an A1932 820-01521-A board that came in for no power. When tested, it did power but no chime/backlight/fan spin. It was stuck at 5V and the meter kept cycling - 5V 0.2A then resets. Inspection showed U3000 had a hole blown in the middle of it, so it was replaced. No more cycling issues...- ameasere
- Thread
- Replies: 17
- Forum: Macbook Logic Board Repair Questions