A 39.6 KB PDF for the 2SC3293, a part numbered under the JIS convention where 2SC denotes NPN transistors. It sits in the schematic category, yet its content is most likely a single-part datasheet. Since the name holds only the number, package and electrical figures have to be taken from the document. Repair use centres on confirming pinout, collector-emitter voltage and current limits, and on validating cross-reference replacements.
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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)