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CubuSynth 4VCLFO Build Manual

Quad voltage controlled triangle lfo
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CubuSynth 4VCLFO- Build Guide
SMD PCB V1.2 Dec2022
4VCLFO
Quad voltage controlled Triangle LFO
Build Guide
SMD PCB V1.2 Dec2022
Written and Illustrated by Ruben Sponar
Page 1

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Summary of Contents for CubuSynth 4VCLFO

  • Page 1 CubuSynth 4VCLFO- Build Guide SMD PCB V1.2 Dec2022 4VCLFO Quad voltage controlled Triangle LFO Build Guide SMD PCB V1.2 Dec2022 Written and Illustrated by Ruben Sponar Page 1...
  • Page 2 SMD PCB V1.2 Dec2022 Introduction The 4VCLFO is four LFOs with triangle Outputs in 10hp. It features a knob for the Frequency of each LFO and CV inputs with attenuators. The „Aux“ input is normalized to the four CV inputs, so you can modulate all LFOs with one signal at the same time.
  • Page 3 CubuSynth 4VCLFO- Build Guide SMD PCB V1.2 Dec2022 BUILD GUIDE STEP 1 LEDs Place the LEDs like shown below. Orientation of the LEDs is Important. The longer leg of the LED goes in the squared hole. Make sure to have the colors placed as below to correctly indicate the LFOs Polarity.
  • Page 4 CubuSynth 4VCLFO- Build Guide SMD PCB V1.2 Dec2022 STEP 2 Power Header Place the Pin Header for Power like shown here. Orientation of the Power Header is very important to be able to insert the power cable the correct way.
  • Page 5 CubuSynth 4VCLFO- Build Guide SMD PCB V1.2 Dec2022 STEP 3 Electrolytic capacitors Place the capacitors on the PCB with the white line of the capacitor facing down towards the white mark on the PCB. The longer leg of the capacitor goes through the hole marked with "+"...
  • Page 6 CubuSynth 4VCLFO- Build Guide SMD PCB V1.2 Dec2022 STEP 4 Controls Now take the Potentiometers and jacks and put them in place as marked on the PCB but don't solder yet. In the picture you can see the placement. When everything is in place, take the front panel and put it on top, so all controls go into each corresponding hole of the panel.
  • Page 7 CubuSynth 4VCLFO- Build Guide SMD PCB V1.2 Dec2022 STEP 4 final check Check your soldering. If you see shorts or bad solder joints, fix it up. Then check the power pins for shorts with your multimeter. If everything looks fine, you can place the knobs, so the pointer is correctly orientated and push them down.

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