Enclosure not stated · 3 knobs
Lovetone Brown SourceVerified
Based on the Lovetone Brown Source· 1 other board clones it
From the post
There has been several schematics of this one over the years, each one having some bugs. But recentrly Lacesensor at FSB managed to do a proper trace and he posted thr corretions at FSB.
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 6 | ||||
| ×2 | 220Ω | 220 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×4 | 3.9K | 3.9k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×3 | 1.2M | 1.2M | read from the layout by eye | |
| Capacitors 5 | ||||
| ×6 | 33nF | 33n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×3 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N4148 | 1N4148 | D1, D2; legend: 1N4148/1N914; read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | BC549C | BC549C | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | B25K | B25k | Potentiometer | read from the layout by eye |
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | A10K | A10k | Potentiometer | wire labels: Volume; read from the layout by eye |
| Switches 1 | ||||
| Switch | 3P4T rotary | 3P4T ROTARY | read from the layout by eye | |
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