Apple logic board package of 3.81 MB for board 820-2914, revision A, with the DF92 code and the MC725LL/A order number in the name. Apple uses the 820-xxxx scheme for logic board part numbers, and this package likely holds schematics, boardview or firmware for that machine. Use it for tracing power rails, finding test points and diagnosing shorts, but first check that the 820 number and revision printed near the board edge match, as Apple reuses similar layouts across years.
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 @biositechyangiyer. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biositechyangiyer | 2 Dec 2020 | Open file on RM Schematics |
| @biositechyangiyer | 1 Feb 2021 | Open file on RM Schematics |
| @biosdumpcomputer | 26 May 2022 | Open file on RM Schematics |
| @biosdumpcomputer | 26 May 2022 | 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.