The logic board of the MacBook Pro (Retina, 13-inch, Early 2015), model A1502, 2015, 13-inch. 10 known faults with their symptoms below.
No guided tree is live for this board yet. The profile, the viewer and manual entry are there on the free plan, and the first sessions on it build the tree.
| Net | Nominal | Role |
|---|---|---|
| PPDCIN_G3H | 16.5 V | Charger input from the DC-in board (16.5 V with a 60 W adapter) |
| PP3V42_G3H | 3.42 V | Always-on 3.42 V for the SMC; the green light comes from it |
| PPBUS_G3H | 12.56 V | Main bus from U7100 (ISL6259) or the battery; 12.23 V while the SMC is off |
| PPVRTC_G3H | 3.3 V | RTC rail from U1900 |
| PP5V_S5 | 5 V | First SMC-enabled rail |
| PP5V_S4 | 5 V | S4 rail, up once PM_SLP_S4_L is asserted |
| PP5V_S3 | 5 V | 5 V S3 rail; reads shorted with PP5V_S0 |
| PP5V_S0 | 5 V | 5 V S0 rail; C6412 and C6432 sit on it |
Checked on 2026-10-29 against 2 sources: verified. Revision A is a placeholder until Studio records the real revisions.
Seen in 20% of recorded fixes on this board.
The fix, the readings that point to it and the guided tree are in the app. Free account
Seen in 15% of recorded fixes on this board.
The fix, the readings that point to it and the guided tree are in the app. Free account
Seen in 15% of recorded fixes on this board.
The fix, the readings that point to it and the guided tree are in the app. Free account
Seen in 10% of recorded fixes on this board.
The fix, the readings that point to it and the guided tree are in the app. Free account
Seen in 10% of recorded fixes on this board.
The fix, the readings that point to it and the guided tree are in the app. Free account
Open the board in NextProbe, answer the symptom questions and follow the lit point. The free plan includes three guided sessions a month. Your own boardview and schematic stay on your machine.