Schematic for a Lenovo IdeaPad laptop mainboard numbered NM-E331, supplied as a PDF packed inside a RAR archive of about 4.5 MB. The name gives no exact model or revision, so compare the board number silkscreened on the PCB before trusting it. NM-prefixed numbers follow the LCFC pattern, the Lenovo-owned ODM. Technicians use such a diagram to follow power rails from the charger IC to the CPU regulators, identify enable and power-good signals, and work out which line is shorted. Extract the archive and open the PDF in any viewer.
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 (8)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 23 Nov 2024 | Open file on RM Schematics |
| @cidschematicandboardviewofficial | 31 Dec 2024 | Open file on RM Schematics |
| @bartonarquivos | 4 Aug 2025 | Open file on RM Schematics |
| @bartonarquivos | 11 Aug 2025 | Open file on RM Schematics |
| @acheibios | 10 Sept 2025 | Open file on RM Schematics |
| @bartonarquivos | 10 Jun 2026 | 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.