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820-3115-B Not charging & intermittent magsafe light
MacBook 820-3115-B with prior repair came in for battery not charging. MagSafe takes a few seconds after power-on to light green, never changes to amber, and intermittently turns off altogether. PPBUS_G3H is a steady 12.29V with no battery attached. U7000 was replaced. No change. U7000...- ViBe
- Thread
- Replies: 10
- Forum: Macbook Logic Board Repair Questions
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820-2915: Missing PM_SLP_S4_L
820-2915 board has a missing PM_SLP_S4_L signal and I could use some help. Draws a steady .03A. Here's what I've recorded so far: Diode mode on PM_SLP_S4_L - .516 PPBUS_G3H - 12.6V PP3V42_G3H - 3.48V PP5V_S5 - 5.01V PP3V3_S5 - 3.35V PP3V3_SUS - 3.355V PPVRTC_G3H - 3.358V RTC_RESET_L -...- ViBe
- Thread
- Replies: 4
- Forum: Macbook Logic Board Repair Questions
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820-01814A (A1990) 5V @ .225A
I've been lurking long enough and need to get into the mix. Thanks for all of the advice before this thread, because it got me here today. Customer brought in an A1990 with board 820-01814A. It's stuck at 5V pulling .225A. All 4 USB-C ports have been tested; only 3 were functional. I'm...- ViBe
- Thread
- Replies: 8
- Forum: Macbook Logic Board Repair Questions