The 2SA940A is the subject of this 165 KB PDF, filed as a schematic though the name is a JIS transistor number. A 2SA prefix means a PNP bipolar device, and the trailing A suffix in that system typically denotes a variant of the base 2SA940, often with different ratings, so do not treat the two as automatically interchangeable. The sheet should give maximum voltages, power dissipation, gain and pinout for checking or substituting the part during repair work.
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.
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