Enclosure not stated · 1 knob
Walco Sound Go AroundVerified
Based on the Walco Go Around
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 19 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 5.6M | 5.6M | read from the layout by eye | |
| ×1 | 560Ω | 560 | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×2 | 2.7K | 2.7k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×2 | 500nF | 500n | read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2SC828R | 2SC828R | original had 2SC828R; try any medium gain NPN silicon; read from the layout by eye | |
| Q2 | 2SC828R | 2SC828R | original had 2SC828R; try any medium gain NPN silicon; read from the layout by eye | |
| Q3 | 2SC828R | 2SC828R | original had 2SC828R; try any medium gain NPN silicon; read from the layout by eye | |
| Q4 | 2SC828R | 2SC828R | original had 2SC828R; try any medium gain NPN silicon; read from the layout by eye | |
| Potentiometers 1 | ||||
| Rate | B500K | B500k | Potentiometer | dual; read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 10K | 10k | read from the layout by eye | |