Small 46.2 KB PDF for the 2SC5501. Under the Japanese JIS scheme, a 2SC prefix marks an NPN transistor intended for high-frequency use. Although it is indexed as a schematic, the size suggests a single-component datasheet rather than a circuit drawing. A repair technician would consult it for maximum voltage, current and dissipation figures, hFE ranges and the package pinout. Compare the body marking on the faulty part with the sheet, and confirm the replacement has equal or better ratings before fitting it.
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.