PDF of 42.0 KB covering the 2SB1392 transistor. The name provides only the part number; manufacturer, package and revision are not given. In the JIS numbering system, a 2SB prefix signals a PNP bipolar transistor of the low-frequency class. Filed among schematics, it actually works as a component reference: look up maximum voltage and current, dissipation, gain grouping and lead order before replacement. A diode-mode check in circuit is easier to interpret once polarity and pinout are known from this sheet.
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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