Enclosure not stated · 7 knobs
BYOC Crown JewelVerified
Based on the BYOC Crown Jewel
From the post
Here is a layout for the BYOC Crown Jewel (minus the boost).
The boost is an independent circuit of your choice in serie with the main circuit.
There is also an extra switch to select if you want the boost "Pre" or "Post" the main circuit.
You can find all infos and schematic on their website 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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 43 rows
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Check before you build · 1 value the reader of this layout was not sure of
- IC printed '1054' (bottom centre): entered as LT1054, the usual charge pump
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×6 | 1K | 1k | read from the layout by eye | |
| ×7 | 10K | 10k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×2 | 2K2 | 2.2k | read from the layout by eye | |
| ×4 | 33K | 33k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×2 | 3K3 | 3.3k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 14 | ||||
| ×1 | 33p | 33p | read from the layout by eye | |
| ×2 | 100p | 100p | read from the layout by eye | |
| ×1 | 5n6 | 5.6n | read from the layout by eye | |
| ×2 | 10n | 10n | read from the layout by eye | |
| ×1 | 15n | 15n | read from the layout by eye | |
| ×1 | 22n | 22n | read from the layout by eye | |
| ×2 | 47n | 47n | read from the layout by eye | |
| ×1 | 68n | 68n | read from the layout by eye | |
| ×1 | 100n | 100n | read from the layout by eye | |
| ×2 | 220n | 220n | read from the layout by eye | |
| ×6 | 1u | 1u | read from the layout by eye | |
| ×2 | 10u | 10u | electrolytic; read from the layout by eye | |
| ×3 | 47u | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100u | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×2 | D9D | D9D | D1-2, germanium; legend: Test other Ge; read from the layout by eye | |
| ×5 | 1N4148 | 1N4148 | D5-9; read from the layout by eye | |
| ×2 | 1N5817 | 1N5817 | D10-11; read from the layout by eye | |
| Transistors 1 | ||||
| ×2 | 2N3904 | 2N3904 | printed 3904; read from the layout by eye | |
| ICs 3 | ||||
| ×1 | TL072 | TL072 | read from the layout by eye | |
| ×1 | 4558 | 4558 | read from the layout by eye | |
| ×1 | LT1054 | LT1054 | printed 1054; read from the layout by eye | |
| Potentiometers 7 | ||||
| Presence | C10K | C10k | Potentiometer | read from the layout by eye |
| Drive | A500K | A500k | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |
| Mid Frequency | C100K | C100k | Potentiometer | dual; read from the layout by eye |
| Treble | B100K | B100k | Potentiometer | read from the layout by eye |
| Mid | B100K | B100k | Potentiometer | read from the layout by eye |
| Bass | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 4 | ||||
| Switch 1 (Mid Q) | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
| Switch 2 (Hard) | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
| Switch 3 (Soft) | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
| Switch 4 (Volt) | SPDT | SPDT | toggle; read from the layout by eye | |
| LEDs 1 | ||||
| ×2 | Red LED | RED LED | D3-4, diffused red LEDs, on the board; read from the layout by eye | |