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Step 3Plug
The Vectrex uses a long-reach 9 way D-type socket which is moulded onto the end of the controller lead. Apparently, Sega Megadrive/Genesis extnesion cables can be made to fit the Vectrex with a bit of trimming, but as I didn't have any to hand, I bought 9-way chassis sockets instead. These are cable-mounting, not PCB types.
First, I drilled out the rivets and carefully separated the metal halves. The plastic inside is no longer held in place, so to avoid all the contacts falling out, I stuck the two parts together with some contact glue.
Next I cut the cable just before the USB adapter box and removed a couple of centimetres of outer cover, exposing the coloured wires. PSX controllers only have eight wires, whereas the Vectrex needs nine. My workaround is detailed in the next step, so for now solder one wire to each pin, except pin 8. Doesn't matter which colour goes to which pin, as the controller will be stripped down anyway. I've stuck to the resistor colour codes here. Remember to note down which colour goes to which pin for later.
The spare pin (8) can be used to make a strain relief. Solder a short piece of stout copper wire to it and twist the other end tightly around the cable outer to hold it rigidly. Put some hot-glue over the back of the pins and the strain releif to hold it all together.
Lastly, I smothered silicone sealant over the whole lot to hide the wiring. Apply the silicone a bit at a time and use a wet finger to work it into shape. Leave it overnight in a warm place to set.
First, I drilled out the rivets and carefully separated the metal halves. The plastic inside is no longer held in place, so to avoid all the contacts falling out, I stuck the two parts together with some contact glue.
Next I cut the cable just before the USB adapter box and removed a couple of centimetres of outer cover, exposing the coloured wires. PSX controllers only have eight wires, whereas the Vectrex needs nine. My workaround is detailed in the next step, so for now solder one wire to each pin, except pin 8. Doesn't matter which colour goes to which pin, as the controller will be stripped down anyway. I've stuck to the resistor colour codes here. Remember to note down which colour goes to which pin for later.
The spare pin (8) can be used to make a strain relief. Solder a short piece of stout copper wire to it and twist the other end tightly around the cable outer to hold it rigidly. Put some hot-glue over the back of the pins and the strain releif to hold it all together.
Lastly, I smothered silicone sealant over the whole lot to hide the wiring. Apply the silicone a bit at a time and use a wet finger to work it into shape. Leave it overnight in a warm place to set.
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