Schematic in PDF, compressed as RAR, for Apple project j185 main logic board with the Navi 10 graphics option, document number 051-04826, version 4.0.0. Apple uses 051-xxxx numbers for schematic documents tied to a specific board design. A technician uses it to trace power rails, check GPU supply circuits, follow signal paths and find part values while diagnosing no-power or no-video faults. Confirm the board variant on your unit is the Navi 10 version, as other GPU options use a separate schematic.
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 | 5 Oct 2022 | Open file on RM Schematics |
| @cyberlanelectonik | 16 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.