Compact 40.0 KB PDF for the 2SJ348, filed as a schematic but by its part number a datasheet. Under the Japanese JIS designation, 2SJ marks a P-channel FET. The name states nothing else, so maker and package should be confirmed in the document. Technicians use such a sheet to locate gate, drain and source pins and to read key limits before testing or replacing the device, and to check that any substitute shares the same footprint and pin order.
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)