Enclosure not stated · 4 knobs
Shin's Music DumbloidVerified
Based on the Shin's Music Dumbloid· 3 other boards clone it
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 27 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×8 | 10K | 10k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 220Ω | 220 | read from the layout by eye | |
| ×1 | 1.8K | 1.8k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 150K | 150k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 9 | ||||
| ×1 | 82pF | 82p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×3 | 220nF | 220n | read from the layout by eye | |
| ×2 | 470nF | 470n | read from the layout by eye | |
| ×1 | 1uF | 1u | read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×2 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | BC548B | BC548B | read from the layout by eye | |
| Q2 | BC548B | BC548B | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | OPA2134 | OPA2134 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Drive | A1M | A1M | Potentiometer | read from the layout by eye |
| Tone | B20K | B20k | Potentiometer | read from the layout by eye |
| Accent | B25K | B25k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPST | SPST | read from the layout by eye | |
| LEDs 1 | ||||
| D1 | 3mm red LED | 3MM RED LED | on the board; read from the layout by eye | |
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