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Testing the Envelope

Power up the main board by connecting J4
Clip one end of an aligator clip to the south side of R146 (this provides the gate signal), and the other end to the exposed side of R3 on the IO board.
Check the voltage on the north side of D35. It should be 12V when the clip is connected, and 0V when it isn't.

Schematic	Power Supply	Voltage Controlled Oscillator	Voltage Controlled Filter	Envelope Generator	Voltage Controlled Amplifier	Headphone And Mixer	Digital Sequencer	Midi, USB and Sync
Fabrication	Building the Ps	Building the Vco	Building the Vcf	Building the Envelope	Building the Vca	Building the Headphone And Mixer	Building the Sequencer	Building the Midi and Sync	Finishing It Off
Testing	Testing the Ps	Testing the Vco	Testing the Vcf	Testing the Envelope	Testing the Vca	Testing the Headphone And Mixer	Testing the Sequencer	Testing the Midi and Sync
Mods	Ps Mods	Vco Mods	Vcf Mods	Envelope Mods	Vca Mods	Headphone And Mixer Mods	Sequencer Mods	Midi And Sync Mods	Finishing Mods