Lenovo motherboard schematic for LCFC board NM-A851, revision 1.0. The name does not mention a laptop model, so find the NM-A851 marking on the PCB to confirm the match. LCFC is the Lenovo-owned ODM that numbers its boards with the NM- prefix. The PDF can be searched for net names and helps with tracing power rails, checking power-good and enable lines and locating the parts to measure when a board shows no power or a short.
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 @alischematics. Enginerys does not host this file.
All sources (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @alischematics | 13 Sept 2021 | Open file on RM Schematics |
| @pepeelectronica | 28 Apr 2022 | Open file on RM Schematics |
| @Satale_bios_esquemas_Laptop | 1 Nov 2024 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 9 May 2025 | Open file on RM Schematics |
| @schematics_bios | 3 Aug 2026 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.