At 54.9 KB, this PDF is the smallest of the 1SV group here, and its name is simply 1SV247. The index lists it under schematics. The JIS 1S prefix marks a diode, and Toshiba assigns 1SV to its varactor types, so expect a compact data sheet covering ratings, characteristic curves and the package outline. It is useful for checking orientation on the PCB, matching SMD markings and comparing tuning capacitance when sourcing a substitute part. Any PDF viewer can display it.
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.