The 2SA1483 is covered by this 178 KB PDF, catalogued under schematics though the name suggests a component data sheet. The JIS 2SA prefix identifies a PNP bipolar transistor. No maker or package is mentioned. Larger sheets like this commonly contain detailed characteristic curves, safe operating area information and package dimensions. Use it to determine pin layout, compare ratings against a substitute and assess whether the part suits the circuit. Open with a standard PDF reader.
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.