Enclosure not stated · 3 knobs
BJF Sparkling Yellow OD 4 knob
Based on the BJF Sparkling Yellow OD 4 knob
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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Check before you build · 3 values the reader of this layout was not sure of
- 26.1K x2 (columns 8 and 10, beside IC1): printed clearly, unusual value
- 360K (column 5, rows K-N): printed clearly, unusual value
- 3K at column 11 under Q1 is partly hidden by the transistor body; read as 3K
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 3K | 3k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×2 | 26.1K | 26.1k | read from the layout by eye | |
| ×1 | 360K | 360k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 51Ω | 51 | read from the layout by eye | |
| Capacitors 9 | ||||
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×2 | 22nF | 22n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; 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 | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D3 | ? | ? | value not given; read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | CA3130EZ | CA3130EZ | read from the layout by eye | |
| Potentiometers 4 | ||||
| Drive | A500K | A500k | Potentiometer | read from the layout by eye |
| "M" | A50K | A50k | Potentiometer | read from the layout by eye |
| Treble | B50K | B50k | Potentiometer | read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |
| LEDs 2 | ||||
| D1 | 3mm red LED | 3MM RED LED | read from the layout by eye | |
| D2 | 3mm red LED | 3MM RED LED | read from the layout by eye | |