Apple board 820-00840 revision A archive, 1.42 MB, most likely holding the schematic set; a separate boardview for the same board exists as its own file. Newer Apple boards use the five-digit 820-xxxxx numbering printed on the PCB. Confirm the number and revision letter before use. The schematic lets a technician trace power rails, follow signal paths between controllers and identify components when diagnosing no-power, charging or boot problems.
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 @Mac_Shematic_Santale. Enginerys does not host this file.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @Mac_Shematic_Santale | 5 Jul 2019 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 2 May 2021 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.