Part 2SC5683 is the sole detail behind this 28.7 KB PDF. JIS nomenclature places 2SC devices among NPN bipolar transistors, so expect a datasheet rather than a wiring diagram. It helps a technician locate collector, base and emitter on the package, read voltage and current limits, and pick an equivalent when the exact part is unavailable. Compare the case outline with the board and check the marking before relying on the data.
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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)