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Power Transistor

  1. Remove connector from power transistor. Using a DVOM, place positive lead to terminal No. 4 and negative lead to terminal No. 6. See Figure . Ensure there is no continuity.
  2. Using one 1.5 volt dry cell battery, connect positive end of 1.5 volt battery to transistor terminal No. 5 and negative end of 1.5 volt battery to transistor terminal No. 4. Place positive lead of DVOM to terminal No. 4 and negative lead to terminal No. 6 to ensure continuity is present.
  3. Connect positive end of 1.5 volt battery to transistor terminal No. 2 and negative end of 1.5 volt battery to transistor terminal No. 4. Place positive lead of DVOM to terminal No. 4 and negative lead to terminal No. 1 to ensure continuity is present. If DVOM does not respond properly, replace power transistor.
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