Schematic diagram in PDF for the Samsung NP-R418 and R420 laptops, compressed into a 1.18 MB RAR archive. No motherboard number appears in the name, so compare details in the document with the board in front of you. The schematic helps trace power rails, check signals between the chipset and connectors, and identify components responsible for a short or no-power fault. It opens in any PDF reader. Make sure the board revision in the title block matches the one printed on your PCB before relying on 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 (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 24 May 2022 | Open file on RM Schematics |
| @canalesquematicos | 21 May 2026 | Open file on RM Schematics |
| @cyberlanelectonik | 23 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.