Apple 820-1502 board documentation packed as a 1.26 MB RAR, labelled with schematic drawing 051-6442 at revision B000. The file most likely contains PDF schematic pages, although the name does not confirm the format. It serves for power-rail tracing, short-circuit isolation and identifying test points around key chips. Several drawings exist for this board number, including 051-6425 and 051-6469, so check that your unit corresponds to this drawing before trusting the details.
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 (4)
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 | 28 Sept 2019 | Open file on RM Schematics |
| @Satale_bios_esquemas_Laptop | 23 Feb 2021 | 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.