dell laptop psu charger

  1. Dell laptop PSU schematic (LA90PS0-00) PA-10 family

    Hello, I am trying to repair a Dell laptop PSU which is just making a high pitched pulsed whistle. I went to probe the voltage on one of the power FETs and accientally blew it together with an adjacent resistor! I'm hoping that's all that has blown? The FET is an ST P10NK60ZFP and the...
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