Listed as a schematic, a 147 KB PDF titled with the JEDEC code 2N6760 and nothing more. No equipment model or board information is provided. The content is expected to be a component datasheet: pin assignment, absolute maximum ratings, electrical parameters and a mechanical outline. During repair it helps confirm a device's identity, interpret test readings and select a substitute. Make sure any replacement matches the case type and is not rated lower than the original part.
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.