After installing the UniPulse in your Korg Mini Pops 7 you can also add individual outputs for each of the instrument.
PRE IN Bus
Many of the instruments are connected to the PRE IN Bus wich is marked red in the schematic. To gain access to each instrument connected to the PRE IN Bus you have to solder out the pins of the resistors theat are connected to the PRE IN Bus.
It is not too easy to find the resistors on the board itself so numbered the spots where you have to solder out the pins.