Indexed under schematics, the 49.5 KB PDF 16SYQ060C states no device, board number or revision, only a part code resembling International Rectifier Schottky rectifier numbering. The SYQ letters suggest a package or series variant related to the 16YQ family, though the sheet itself should confirm this. Expect ratings, curves and outline drawings. It helps a technician verify that a replacement diode has the same voltage grade, configuration and footprint; read the marking on the original part before swapping.
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.