Tip Ring Sleeve Diagram. Xlr pin 2 to 14 plug tip. There should be no connection whatsoever to neither pin 1 nor pin 3 of din socket.
The datasheet states that its a 3 pole stereo jack socket for the first plug in. Ground black to the sleeve signal white to the tip battery negative black to the ring 9v diagram 1 insert the plug onto the 3 pin header of the pickup as shown above. From the diagram below of a trrs jack each of the arrows on the symbol corresponds to one of the tip ring 1 standard mm jack pinouts.
This is the reason behind your smartphone doesnt supports other brands of headphone.
Generally the left channel signal is attached to. A tip ring sleeve connector looks like a standard 14 plug with an extra section in it. The terms refer to the telephone plugs used for connecting telephone calls in manual switchboards. Below is an example of a 4 conductor plug with 3 switches located on the tip ring 1 and ring 2 terminals.