A 69.5 KB PDF titled with the component number 1SS367, with nothing in the name about a device or board. The JIS 1SS prefix marks a small-signal silicon diode, so this is most likely the manufacturer's specification sheet. Bench technicians reach for such documents to verify polarity, confirm forward and reverse ratings and select an equivalent when the exact part cannot be sourced. Open it in a PDF reader, and match the package type and printed marking on the PCB before soldering.
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.