Schematic in PDF form for LCFC board NM-E551 revision 1.0, packed in a 3.35 MB RAR archive. LCFC, Lenovo's own manufacturing arm, numbers its laptop boards with the NM-xxxx pattern, so the code on the PCB identifies the exact design. A schematic lets a technician follow power rails, power-on sequence and signal paths, and check expected component values when isolating a fault. Extract the PDF and verify the board number and revision match the unit on the bench before using it.
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 | 16 Mar 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.