4 DEFECTIVE VOLTAGE REGULATORTesting transistorsNPN TRANSISTOR(SCHEMATIC)A Place red lead of multimeter on Pin B and black lead on Pin E.Multimeter should read low resistance.NOTEB Place black lead on Pin B and red lead on Pin E. MultimeterCase of transistor is collectorshould read high resistance. If either A or B readings are not asspecified transistor is faulty. Replace.C Place red lead of multimeter on Pin B and black leadto case (C). Multimeter should read low resistance.D Place red lead on case (C) and black lead on Pin B.Multimeter should read high resistance. If either C orD readings are not as specified, transistor is faulty.Replace.2-11Change 4TM 9-2360-267-34
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