Lenovo laptop schematic for LCFC board NM-C581, delivered as a RAR archive with a PDF inside. LCFC is the Lenovo-owned design house, and its NM-xxxx codes identify the mainboard rather than the retail model, which the name does not state. The circuit diagrams help trace power rails, the boot sequence, charging and signal paths when hunting a fault. Open the extracted PDF in any reader, and check the NM-C581 code and revision on the PCB to make sure the drawing applies to your unit.
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 (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 11 Dec 2024 | Open file on RM Schematics |
| @cidschematicandboardviewofficial | 31 Dec 2024 | Open file on RM Schematics |
| @cyberlanelectonik | 18 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 26 Oct 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.