Samsung X60 laptop circuit diagram in PDF format, about 1.08 MB. Only the model is named; no board code, revision or code name appears in the title, so compare the part numbers and layout with the actual motherboard before trusting every page. Schematics like this show the power sequencing, the voltage regulator circuits, the connector pinouts and how signals are routed between chips, which helps when diagnosing a laptop that will not power on. Open it in any standard PDF viewer and search by net name to jump between sheets.
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 @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.