Schematic in PDF form for a board identified only as C46 MB NPB, version E, provided as a RAR archive of about 1.66 MB. The name gives no brand or device model, so identify the hardware from the codes on your PCB before using it. A schematic like this supports tracing power rails, checking enable and power-good signals, finding test points and isolating shorted components. Version E marks a specific revision, so confirm the version printed on the board matches before relying on part 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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 2 Nov 2022 | 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.