MacBook Pro logic board 820-2523, supplied as a RAR archive of 3.81 MB that holds both the boardview and the PDF schematic. Apple's 820-xxxx codes are printed on the logic board and identify the exact design. The boardview shows component positions and nets in viewers such as OpenBoardView or FlexBV, while the schematic explains power rails, the SMC circuitry and signal paths. Together they help find shorts, missing voltages and damaged parts. Confirm the 820 number on the board before following measurements.
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 (6)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 29 Dec 2021 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @cyberlanelectonik | 19 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 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.