English-edition datasheet, judging by the _E suffix, for the 2SB1599 PNP bipolar transistor, 43.5 KB in PDF. The 2SB designation follows the Japanese JIS system for low-frequency PNP devices; manufacturer and package are not stated in the name. Use it as a quick reference for pinout, VCEO, IC and hFE groups, and for the marking code printed on the body. That marking is what you read on the board, so confirm it corresponds to this type before trusting the figures or picking an equivalent.
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.