Apple reference sheet explaining net names, the signal and rail labels used in Apple logic board schematics. It is a 383 KB PDF and not tied to a specific board number. Apple naming encodes information such as voltage, power state and function, for example rails that stay alive in sleep versus those that switch on only when the system runs. Technicians use such a sheet to interpret schematics and boardviews faster, working out which rail to measure first when a MacBook will not power on.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @hrtechno. Enginerys does not host this file.
All sources (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @hrtechno | 23 Jul 2021 | Open file on RM Schematics |
| @alischematics | 13 Sept 2021 | Open file on RM Schematics |
| @pepeelectronica | 28 Apr 2022 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 10 May 2025 | Open file on RM Schematics |
| @schematics_bios | 3 Aug 2026 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.