Schematic for the Apple logic board 820-2641, revision A, associated with the K60 project code in the name, delivered as a PDF inside a RAR archive. Apple uses 820-xxxx numbers for its logic boards, and the number is printed on the PCB, making identification straightforward. The circuit diagram helps trace power rails, power-on sequencing, SMC signals and charging circuitry when a board fails to power on. Open the extracted PDF in any reader and confirm that the board reads 820-2641 with the matching revision.
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 @schematicslaptop. 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 | |
|---|---|---|
| @schematicslaptop | 20 Nov 2022 | Open file on RM Schematics |
| @cyberlanelectonik | 18 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 14 Aug 2026 | 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.