I received a set of five Quantussy Petal PC boards from Ciat-Lonbarde enthusiast, Josh Rodriquez.

Josh pointed out to me that the graphic for this PC board is shown on the first page of the Cocoquantus schematic diagram by Peter Blasser.

Josh made his PC board from this image. When the image size is increased, it is possible to read the values of resistors and capacitors, as well as the chips. I was interested to compare these with the values used in Cocoquantus V1, which I own and was able to inspect. The schematic I’ve drawn is of the same circuit that you find in Peter’s Cocoquantus schematic, with one exception. On Peter’s drawing the capacitors at the outputs of the 4052 switch are marked 105 (1.0uf), whereas in the Cocoquantus V1, he actually used 104 (0.1uf) values. These are high quality capacitors that serve to hold the voltages sampled from the other Quantussy Petals.

I saved clutter on my drawing by marking a few places that interconnect. Take note of ‘Dagger Pulse’ and the letters A, B, C, and Q.

Feel free to use your browser to download the image of the schematic I drew. It’s a bit more readable than Peter’s schematic. And note that the chip pinouts are labelled according the prototype PC board. These are close to those in the Cocoquantus V1, but do not always match. Also note that the values shown on the prototype graphic (and Josh’s board) often differ from those that Peter later decided on. Those are indicated on my drawing.