Page 1: ...d 8 27 2017 If you have any questions or need help trouble shooting please e mail Michael Bartonmusicalcircuits com I Overview Controls Inputs Outputs II Schematic III Construction A Parts List B The...
Page 2: ...N jack 3 CHORD knob This knob selects the memory bank to use in SAVE or LOAD operations There are 8 memory banks total The knob attenuates the input of the CHORD jack which is normalized to 5V when no...
Page 3: ...tized output appears at the OUT1 jack 2 AUX input This is an auxiliary input jack The voltage is attenuated by the AUX jack and then mixed with the MAIN input 3 TRACK input This input is normalized to...
Page 4: ...II Schematic...
Page 5: ...ge to between 0V and 5V To the right of the PIC in the schematic we see the wirepads of the toggle switches and some resistors Each toggle wirepad will be at either 0V or 5V and this resistor network...
Page 6: ...ise noted 1K ohm 7 100K ohm 19 200K ohm 4 100K ohm buss 1 4pin SIP package Or can be made with 3 resistors B100K Pots PC Mounted 4 16 mm Alpha linear taper PC Mounted Like this B100K Pots Solder Lug 3...
Page 7: ...I suggest wiring the 5V bus in red on the diagram between the switches and jacks first then the ground bus in green If you are using a conductive front panel and jacks with conductive sleeves you only...
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Page 9: ...ach channel until the output voltage of that channel is exactly 1V 3 If your meter has low resolution turn the SCALE knob fully clockwise to OCTAVES mode 4 Input a 5V signal and turn the offset knobs...
