A 195 KB PDF labelled 2SA2060, a part number in the Japanese JIS system where 2SA denotes a PNP bipolar transistor. Although catalogued as a schematic, the name points to a single-component datasheet, and no maker or package is stated. Use it to check the pin order (emitter, collector, base), maximum ratings and saturation voltage before swapping a suspect device. SMD versions usually carry a shortened marking, so compare the package drawing with the part on the board to make sure they match.
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.