Just finished fixing the Mixdeck. I’ve tested it and it’s working perfectly.
The repair was fairly simple. I removed 13 screws from the back of the casing and the back panel lifts off. There are two cables connecting the back panel to the front panel, both are press on and disconnect easily. There were about 15 screws holding the main board to the front panel and a soldered connection from the jog wheel to the main board. I used a desoldering braid and disconnected the wire to the jog wheel, there was also a tiny bead of glue holding the wire to the panel, I used a hobby knife and cut through the glue then picked it off the wire with my nails.
To review, the problem is the post for the volume fader for the second deck was broken off. Looking at the back of the main board, there were 6 pins connected to traces on the main board and two posts soldered on as support. I desoldered the pins, pulled off the slider potentiometer, put in the replacement potentiometer and resoldered the pins. I checked my work for accidental short circuits but they were clean. I reattached the main board to the front panel with three screws, resoldered the jog wheel wire, and reconnected cables from the back panel to the front panel. I hooked up the USB connection to my PC and tested the controller with Virtual DJ, it seems to work properly.
I went back and put in all the screws on the main board and the back panel and tested it again, and it is still working properly. Total cost of the repair was $23 for a replacement slider and knob including shipping, it took about 30 min total.
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