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Macbook Air M1 A2337 820-02016
This Macbook came in with customer stating they had powering/charging issues with one of the ports, now it won't power from both USB-C. After replacing both CD3217 chips and still getting 5V 0.016A I checked the surrounding caps around them and found CF400/CF500 PP3V3_S2 low at .560V. On further...- nebula
- Thread
- Replies: 8
- Forum: Macbook Logic Board Repair Questions
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820-01700 Not charging, works with battery
Hi all, I'm new (posting) to the forums so please be gentle. This 16" Macbook came in not charging, was running on battery but all but one USB-C port were registering voltage of 20V 0A. UB300 was getting warm and showing 5V/0V on each side of its USB-C connector. I replaced the CD3217B and now...- nebula
- Thread
- Replies: 17
- Forum: Macbook Logic Board Repair Questions