Enclosure not stated · 4 knobs
Gyuatone PS-015 Sonics Overdrive
Based on the Gyuatone PS-015 Sonics Overdrive
From the post
Schematic can be downloaded HERE.
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 29 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×5 | 4.7K | 4.7k | read from the layout by eye | |
| ×5 | 10K | 10k | read from the layout by eye | |
| ×3 | 33K | 33k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| Capacitors 12 | ||||
| ×1 | 150pF | 150p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×2 | 470nF | 470n | read from the layout by eye | |
| C15 | ? | ? | value not given; legend: schematic states 470pF, probably a typo, try 47-100nF; read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N4148 | 1N4148 | D1-D3, 1N4148/1N914; read from the layout by eye | |
| D4 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N3904 | 2N3904 | 2N3904, 2N5088 etc. (2SC1571-F in original); read from the layout by eye | |
| Q2 | 2N3904 | 2N3904 | 2N3904, 2N5088 etc. (2SC1571-F in original); read from the layout by eye | |
| ICs 1 | ||||
| IC1 | JRC4558DD | JRC4558DD | read from the layout by eye | |
| Potentiometers 4 | ||||
| Overdrive | B1M | B1M | Potentiometer | read from the layout by eye |
| Treble | B30K | B30k | Potentiometer | try B25K; read from the layout by eye |
| Bass | B30K | B30k | Potentiometer | try B25K; read from the layout by eye |
| Level | B50K | B50k | Potentiometer | read from the layout by eye |