Apple schematic for logic board 820-01987, provided as a PDF; related files tie this board to the A2289 MacBook Pro. Apple uses 820-xxxxx numbers for its logic boards, with a dash suffix marking the revision. The diagram is used to follow the power-up sequence from USB-C input through the main rails, check enable signals and find the components behind a short. Open it with any PDF reader and search net names. Combine it with the boardview, and confirm the number on the board matches 820-01987.
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 @alischematics. 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 | |
|---|---|---|
| @alischematics | 16 Nov 2022 | Open file on RM Schematics |
| @notebookschematic | 16 Jan 2023 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 5 May 2025 | Open file on RM Schematics |
| @pkbiosbdv | 30 Aug 2025 | Open file on RM Schematics |
| @schematiclaptopramkushwaha | 13 Sept 2025 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.