Schematic in PDF form for the Lenovo LCFC NM-E441 mainboard, compressed into a 2.89 MB RAR archive, with no revision given in the name. NM-xxxx is the numbering pattern of LCFC, the Lenovo-owned ODM that builds many ThinkPad and IdeaPad boards. The circuit diagram is used to follow the power-on sequence, measure regulator outputs, trace signals between chips and find parts involved in a fault. Pair it with the matching NM-E441 boardview, and confirm the board revision on the PCB first.
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 2025 | 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.