Lenovo laptop schematic with a nondescript name, identified in the index as Wistron board 15238-1; its 1.15 MB size matches the IdeaPad 710S-13ISK diagram listed separately, though the name itself confirms only the brand. Wistron is the ODM using this five-digit project numbering with a dash revision. Open the PDF in any reader to trace power rails, signals and component values when diagnosing no-power or short faults, and verify the number on the PCB before trusting it.
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 @cynetitsolution. 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.