Apple logic board archive for board 820-01598, with 051-04273 being the matching Apple schematic document number, in a 5.86 MB RAR. Apple marks logic boards with 820 part numbers and schematics with 051 numbers, so the contents are likely a schematic, possibly with a boardview. The name does not list the Mac model. Use it for tracing power rails, signals and short circuits, after confirming the 820-01598 marking on the board matches.
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 (11)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 16 Jan 2021 | Open file on RM Schematics |
| @schematicslaptop | 16 Jan 2021 | Open file on RM Schematics |
| @LaptopsBoardview | 23 Jan 2021 | Open file on RM Schematics |
| @pepeelectronica | 24 Apr 2022 | Open file on RM Schematics |
| @generalschematics | 19 Oct 2024 | Open file on RM Schematics |
| @boardviewsandachematics | 2 Sept 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 4 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 14 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.