The 2SJ377 is covered by this 415 KB PDF, a component datasheet filed in the schematic category. According to JIS numbering, the 2SJ series are P-channel FETs, typically used as high-side switches or in complementary pairs. The name gives only the part number, with no manufacturer or package. Read it in any PDF viewer for ratings and pinout, test the device out of circuit with a meter, and verify the body marking before using the sheet for a specific repair.
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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