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Require circuit diagram for black and decker charger 486910-25

Posted by Craig Cavenett on


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Black&decker dont have diagram for charger,only sell new one
i dont know this one but i can tell you,most of the time it is hard to find the problem on black you have a picture of board?

Posted on Nov 21, 2012

  • 1 more comment 
  • Craig Cavenett Nov 21, 2012

    Friend attemted to fix himself but it grew to big for him. Concequently I was asked to finish it but it was all in peices and I can't tell how the CT transformer in wired up to the circuit board? Hooked up to my variable power supply the board works fine after replacing the switching transistor. It's just wiring up the original transformer again.

  • teckno Nov 23, 2012

    wiring the primary or the secondary ?

  • teckno Nov 23, 2012

    do you have a picture of board and tranformer ?



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