Schematic in PDF form for LCFC board NM-A074 revision 1.0, the Lenovo laptop motherboard also sold as Yoga 2 Pro according to related files, here packed in a 1.72 MB RAR. LCFC is Lenovo's own design and manufacturing arm, and NM-xxxx is its board pattern. The diagram shows power rails, charging circuitry, EC connections and signal paths, essential for diagnosing no-power or no-charge faults. Check that the board revision matches 1.0 before trusting component values.
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 | 11 Feb 2024 | 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.