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Step 9Preparing the Audio Jack
This is the most complicated piece to make. Start by straightening the lugs with a pair of needle nose pliers. Then bend any terminals that are part of an integrated switch out of the way.
Join the left and right signal lugs with a small piece of wire. This is supposed to merge the left and right signals from the input device -- I hope it does! This one of the trickier solders. I carefully cut a piece of (green) wire to length, strip the ends and bend it fit exactly. Once I have a good fit, I flow a bit of solder onto the lugs, position the wire, and then melt the solder and push the ends in place. Usually I burn my fingers. You have to work quickly and be careful not to melt the switch.
Note the orientation of the audio jack in the tin. I have the input wire (red) coming of the top lug and the ground wire (black). Solder wires to two lugs on the switch and reinforce the connections with heat shrink tubing. Clamp the wires together with a short piece of 1/8" heat shrink tubing. Note that the red wire is above the black wire.
The wires need to be bent back and follow the walls of the tin.
It is a good idea to do a continuity check at this point. Plug in the cable and make sure that the two signal wires connect and the ground connects to ground.
Join the left and right signal lugs with a small piece of wire. This is supposed to merge the left and right signals from the input device -- I hope it does! This one of the trickier solders. I carefully cut a piece of (green) wire to length, strip the ends and bend it fit exactly. Once I have a good fit, I flow a bit of solder onto the lugs, position the wire, and then melt the solder and push the ends in place. Usually I burn my fingers. You have to work quickly and be careful not to melt the switch.
Note the orientation of the audio jack in the tin. I have the input wire (red) coming of the top lug and the ground wire (black). Solder wires to two lugs on the switch and reinforce the connections with heat shrink tubing. Clamp the wires together with a short piece of 1/8" heat shrink tubing. Note that the red wire is above the black wire.
The wires need to be bent back and follow the walls of the tin.
It is a good idea to do a continuity check at this point. Plug in the cable and make sure that the two signal wires connect and the ground connects to ground.
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