Only the component code 1SS294 appears in this 69.1 KB PDF name, so it cannot be tied to any specific board or laptop. The code follows the Japanese JIS numbering for small-signal diodes, common in Toshiba ranges, and the file is probably a datasheet despite the schematic label. Use it to read pin configuration, package outline, electrical limits and marking. This helps when a diode near a fault must be identified and replaced; compare the marking and footprint with the original part first.
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.