Work ((free)) - Ps42419ha Schematic

Are you looking to , or do you need the pinout for testing? HP Inc Ps42419ha 9244 | PDF | Power Supply - Scribd

The schematic revealed a critical bottleneck: a specific resistor responsible for feeding start-up power to the PWM controller. On the board, it looked fine. Under a multimeter, it was "open"—electrically dead. The Culprit : A single faulty resistor and a dried-out main capacitor. ps42419ha schematic work