Datasheet in PDF form for the 2N6845, 131 KB, placed in the schematic category though the file covers a single discrete semiconductor. It appears to belong to a set alongside the 2N6847, 2N6849 and 2N6851 files. The name gives no vendor or revision details. Read it for pin identification, maximum voltage and current values and mechanical dimensions when diagnosing or replacing the part, and check that the marking and case style on the board match the document.
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.