Monday 21 April 2014

connector - Audio Jack Schematic


We are using this audio jack in our design. I am having trouble understand the schematic of this audio jack. My understanding is that



  1. Pin 5 and Pin 4 : Audio left and right

  2. Pin 2 or Pin 3 : Ground or Mic

  3. Pin 1: detect


Can anyone confirm my understanding? I think that the switch is normally open and pin 3 will short with pin 1 when the jack is inserted. Audio Jack




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