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4 pin 3.5mm (2.5mm) plug connector layout
4 pin 3.5mm (2.5mm) plug connector
4-Connector Jack on PalmOne?s Tungsten C. Speaker is Mono. Connect Micro direct to Pin 2 and 4, and also a Button in Line with a 48 Ohm Resistor.
PalmOne Tungsten C Pin Pin
Name
Description
1 Speaker + Earspeaker (Mono) +
2 Microphone + Microphone (and Button over 48E, and also a Diode)
3 Speaker - Earspeaker (Mono) -
4 Ground Ground, 0V

 

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PalmOne Tungsten C Headphone Jack with Microphone visual pinout:click to enlarge
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