Datasheet in PDF form for the 2SA1562 transistor, 95.5 KB. The name gives no equipment, board or manufacturer information. In the Japanese JIS scheme, the 2SA prefix denotes a PNP high-frequency bipolar transistor. The sheet likely includes maximum ratings, electrical characteristics, graphs and the outline drawing. It is helpful when confirming the emitter, base and collector leads or comparing replacement candidates. Read the full marking on the original part, including any rank letter, before deciding on 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.
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The standard format for schematics, block diagrams, power-sequence charts and service manuals.