Schematic package for Apple 820-1993 under document number 051-7076 at revision H000, roughly 1.50 MB compressed. It sits alongside a different release for the same board (051-7182 B000), so compare details if a value seems wrong. Repair technicians use such a schematic to follow power sequencing, locate shorted rails and identify components by reference designator. Apple numbers boards with an 820- prefix and schematics with 051-. Unpack it with WinRAR or 7-Zip and match the board markings before relying on the sheets.
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.