All jumper blocks are numbered starting with pin 1. Horizontal jumper block pins are numbered from left to right, vertical blocks are numbered from top to bottom.
Component | Setting | Value | Comments |
U8 | Installed | 2732 | 4k Snare sample |
U9 | Not installed | - | - |
Jumper A | Connect 1 to 4 | wire | Set VCA envelope response |
Jumper B | Connect 1 to 3 or not installed | wire | Don't care |
Jumper C | Connect 2 to 4 | wire | Enable EPROM U8 on all triggers |
Jumper D | Connect 2 to 3 or not installed | wire | Don't care |
Jumper E | Connect 2 to 3 | wire | Sound length = 4K |
Jumper F | Connect 3 to 4 | wire | Sound length = 4K |
Jumper G | Connect 2 to 3 | wire | External CV controls pitch |
Capacitor C1 | Installed | 0.0022uF | Sets nominal sample rate |
Capacitor C3 | Not installed | - | Sets VCF envelope decay time |
Capacitor C4 | Not installed | - | Sets VCA envelope decay time |
Diode D1 | Not installed | - | Trigger 1 reduces pitch |
Diode D2 | Installed | 1N4148 | Trigger 1 reduces volume |
Diode D3 | Not installed | - | Trigger 2 reduces pitch |
Diode D4 | Installed | 1N4148 | Trigger 2 reduces volume |
Diode D5 | Installed | 1N4148 | (not used) |
Resistor R4 | Installed | 15 ohms | Sets trigger 1 volume change depth |
Resistor R5 | Installed | 1.5K | Trigger 2 volume change depth |
Resistor R7 | Installed | 4.7K | (Not used) |
Resistor R8 | Installed | 4.7K | Sets VCA control |
Resistor R9 | Not installed | - | Trigger 3 has no effect on VCA envelope | Resistor R11 | Installed | 2.7K | Sets VCA envelope modulation amount | Resistor R12 | Installed | 4.7K | VCF tracking control | Resistor R13 | Not installed | - | VCF control |