A schematic diagram for Lenovo hardware (board 19869-1). Shared as “19869-1 Thinkbook 13s Gen2 Intel PDF.pdf” — a .pdf file, 3.56 MB.
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 @pkbiosbdv. 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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)