Schematic in PDF form for LCFC board NM-C791 revision 1.0, used in Lenovo notebooks, compressed into a 1.72 MB RAR. LCFC is the Lenovo-owned ODM that uses the NM-xxxx numbering. The circuit diagram lets a technician trace power rails, power-on sequence signals and charging circuitry, and find part values when replacing failed components. Any PDF viewer opens it once extracted. Confirm that the board number and revision silkscreened on the PCB match, since revisions can differ in components.
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 | 12 Feb 2023 | 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.