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General| Polyphony | 6 voices |
|---|---|
| Keyboard | 61 keys |
| Effects | Chorus |
| Control | Alpha Dial |
| Year Released | 1985 |
| Oscillators | 1 DCO per voice (Sawtooth, Square, Sub-Oscillator) |
| LFO | 1 LFO (square, random) |
| Envelopes | 1 VCA envelope, 1 VCF envelope |
| MIDI | In, Out, Thru |
| Memory | 64 patches |
Instructions for taking the JU-2 apart for servicing.
Diagram showing all components of the JU-2 in an exploded view.
Explains the function and operation of the rotary encoder.
Describes how various switches are read by the CPU.
Power supply, LCD, and RAM checks, plus RAM initialization.
Details on entering and using the instrument's test mode.
Procedures for VCF, DCO, and HPF checks.
Verifies output levels, dynamics, and aftertouch effects.
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