Enclosure not stated · 3 knobs
Schumann LionVerified
Based on the Schumann Lion· 2 other boards clone it
From the post
Modified for normal DC power supply with onboard voltage inverter and voltage regulators. The layout is based on THIS schematic.
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 10 | ||||
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 68K | 68k | 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 | |
| ×1 | 4.7M | 4.7M | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| ×2 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 10pF | 10p | read from the layout by eye | |
| ×2 | 47pF | 47p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×5 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic, bipolar (BP); read from the layout by eye | |
| ×1 | 470uF | 470u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N4001 | 1N4001 | read from the layout by eye | |
| D2 | 18V Zener | 18V | read from the layout by eye | |
| ICs 5 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | CD4049UBE | CD4049UBE | read from the layout by eye | |
| IC3 | LTC1144 | LTC1144 | read from the layout by eye | |
| REG1 | 7812 | 7812 | regulator; read from the layout by eye | |
| REG2 | 7912 | 7912 | regulator; read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | B1M | B1M | Potentiometer | read from the layout by eye |
| Clean | B15K | B15k | Potentiometer | read from the layout by eye |
| Level | A10K | A10k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | DPDT footswitch | DPDT FOOTSWITCH | boost footswitch; read from the layout by eye | |
Other boards based on the Schumann Lion
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