Apple board 820-1993 archive linked to schematic 051-7182, revision B000, 1.51 MB. Another 820-1993 file exists under schematic 051-7076 revision H000, so two drawing releases cover this board number and the right one must be chosen. These pages serve for tracing power rails, finding test points and understanding chip interconnections during repair. Extract the RAR with 7-Zip or WinRAR, then verify the board number and any revision markings on the PCB before taking component values from it.
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 (3)
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 |
| @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.