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Thonk SYNTH T01 VCO Build Instructions

Voltage controlled oscillator

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THONK SYNTH
01 VCO
T
st
October 21
2024
Eurorack DIY Kit
Instructions
THONK SYNTH
VOLTAGE
CONTROLLED
OSCILLATOR
Eurorack DIY Kit
Build Instructions
www.thonk.co.uk
Version 1.3
01
T
VCO
1

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Summary of Contents for Thonk SYNTH T01 VCO

  • Page 1 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions THONK SYNTH VOLTAGE CONTROLLED OSCILLATOR Eurorack DIY Kit Build Instructions October 21 2024 www.thonk.co.uk...
  • Page 2: Tools Required

    For the most recent version of this document please visit https://www.thonk.co.uk/shop/thonk-synth-t01-vco-kit/ This document should be used in conjunction with the relevant user manual. All Thonk kits are sold under our standard Terms and Conditions - http://www.thonk.co.uk/faq/ DIY INSTRUCTIONS This document gives detailed instructions that assume you have purchased a complete kit from www.thonk.co.uk.
  • Page 3: Solder Joints

    THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions SOLDER JOINTS Your solder joints should look like those shown as ‘OK’ below, they should have that neat conical shape on BOTH sides of the PCB. If they don’t look the same on both sides then stop! Work out why from the soldering guides linked and don’t continue until you are getting those results.
  • Page 4: Build Instructions

    THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions BUILD INSTRUCTIONS First take the main board and solder the 2x5 power header to the rear of the board (the side without the SMD components). Check that this is soldered flush to...
  • Page 5 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions To make the connections between the PCB’s, first insert the sets of pins together before placing the socket side on the main board and the pins onto the control board. See picture for reference.
  • Page 6 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions Take the control board and after removing the jack nuts place the green pot, blue tall trimmer, red toggle switch and thonkiconn jacks on the PCB. DON’T SOLDER YET –...
  • Page 7 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions Push the black button cap firmly onto the white latching button before placing it on the PCB, this will help it sit in the panel correctly. CHECK ORIENTATION – This...
  • Page 8 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions Place the provided silver nut onto the red switch and all three washers onto the green pot as shown. These will keep the components level between the panel and PCB.
  • Page 9 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions Solder all 44 joints on the pots, switches, jacks and LED’s. Ensuring all components stay lined up between the panel and PCB during the process. Once all joints are soldered, clip the...
  • Page 10 THONK SYNTH Eurorack DIY Kit Version 1.3 01 VCO Instructions For the next step find the knob and knob cap which come as separate pieces. First place the knob onto the pot, with the pot turned fully counter clockwise. This is your ‘zero’ point for the knob.
  • Page 11 Eurorack DIY Kit Version 1.3 01 VCO Instructions The module is now complete – follow the steps detailed in the user manual to calibrate your new Thonk Synth VCO. Find the manual and other product info on the Thonk website. https://www.thonk.co.uk/shop/thon k-synth-t01-vco-kit/...