Audio Jack Wiring Ground Tab. With the same hand hold a 4- to 6-inch section of rosin core solder directly above the connection. This works by using the ring connector of the stereo jack to complete the ground side of the active onboard circuit when the plug is inserted.
To solder a connection hold the exposed core of the wire against the connection point. 5mm mm plug photo and diagram A TRRS connector tip ring ring sleeve also called an audio jack mini-jack is a common analog audio. Pin 1 is shorted to pin 3 at either end of the cable How to wire a 14 Jack Plug unblanced The tip of the jack is hot and carries the positive going signal whilst the sleeve is cold and carries the ground.
Hence the whole audio connection becomes unbalanced.
It transmits two copies of an equivalent incoming audio signal known as positive hot and negative cold. Also at the input jack ground I attach a single wire from the active circuitry ground also with a low impedance wire. This works by using the ring connector of the stereo jack to complete the ground side of the active onboard circuit when the plug is inserted. In total it needs 4 signal wire and one ground wire which only a TRRRS connector can provide.