Part datasheet in PDF form, 172 KB, for the 2SA949, listed in the schematic category of the index. Under Japanese JIS numbering, 2SA denotes a PNP bipolar transistor, and the file name states nothing else, with no manufacturer or version. Repair use is straightforward: verify pin assignment before desoldering, compare ratings against a candidate substitute, and check the hFE rank letter marked on the body against the table. Make sure the package on your board matches the one the sheet describes.
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.