Serge. Synthesizer Modules Schematics. Packet includes schematics for Negative Slew and VC Slew Sample and Hold. Further paragraphs follow: Analog Shift Register, VC Phaser, Smooth & Stepped Generator, Triple Waveshaper, Noise Source including a Self Test Procedure, and Dual Negative Slew with Self Test, Wiring Diagram of the Ring Modulator: PC Board No. R6 (marked "RING" by hand) with Self Test Procedure, Wiring Diagram: Sequencer (10 stages) with Self Test & User's Instructions, VC Oscillator with Self-Test Procedure, Positive Slew with Test Proc., and VC Filter Extended Range with Self Test. The final page contains a Wiring Diagram of the 4 Stage Programmer, Special Instructions, and Self-Test & User's Instructions.