Enclosure not stated · 4 knobs
DOD FX57
Based on the DOD FX57
- Category
- Distortion· Distortion Boost and Overdrive
- Controls
- Delay · Level · Bass Presence · Distortion
- Price
- see vendor
- Tags
- Distortion Boost and Overdrive
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 69 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- P5/P6: drawn as pots with no knob names; taken as internal trimmers
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R14 | 47K | 47k | the only numbered resistor; read from the schematic by eye | |
| ×1 | 10ohms | 10 | VCC feed to the BBD supply (VDL), drawn R?; read from the schematic by eye | |
| ×1 | 1K | 1k | output series, drawn R?; read from the schematic by eye | |
| ×1 | 3.3K | 3.3k | drawn R?; read from the schematic by eye | |
| ×2 | 4.7K | 4.7k | U2B / U1B stage, drawn R?; read from the schematic by eye | |
| ×10 | 10K | 10k | drawn R?; read from the schematic by eye | |
| ×8 | 47K | 47k | drawn R?; plus R14; read from the schematic by eye | |
| ×5 | 100K | 100k | drawn R?; read from the schematic by eye | |
| ×1 | 150K | 150k | power conditioner, drawn R?; read from the schematic by eye | |
| ×1 | 220K | 220k | drawn R?; read from the schematic by eye | |
| ×2 | 470K | 470k | drawn R?; read from the schematic by eye | |
| ×6 | 1M | 1M | drawn R?; read from the schematic by eye | |
| ×1 | 3.9M | 3.9M | across the clipping diodes, drawn R?; read from the schematic by eye | |
| Capacitors 25 | ||||
| C1 | .01uF | 10n | read from the schematic by eye | |
| C2 | 1uF | 1u | electrolytic; read from the schematic by eye | |
| C7 | .022uF | 22n | read from the schematic by eye | |
| C10 | 10uF | 10u | read from the schematic by eye | |
| C11 | .022uF | 22n | read from the schematic by eye | |
| C12 | 10uF | 10u | read from the schematic by eye | |
| C14 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C16 | 1uF | 1u | electrolytic; read from the schematic by eye | |
| C17 | 47uF | 47u | electrolytic; read from the schematic by eye | |
| C22 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C23 | 25pF | 25p | read from the schematic by eye | |
| C25 | .0015uF | 1.5n | read from the schematic by eye | |
| C26 | .0068uF | 6.8n | read from the schematic by eye | |
| C28 | .0015uF | 1.5n | read from the schematic by eye | |
| C29 | .0068uF | 6.8n | read from the schematic by eye | |
| C30 | 120pF | 120p | read from the schematic by eye | |
| C31 | .01uF | 10n | after U2A; C31 is printed twice (clash); read from the schematic by eye | |
| C31 | 1uF | 1u | second C31, electrolytic after U6A; read from the schematic by eye | |
| C32 | 120pF | 120p | read from the schematic by eye | |
| C33 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C34 | 10uF | 10u | read from the schematic by eye | |
| C35 | 120pF | 120p | read from the schematic by eye | |
| C37 | .01uF | 10n | read from the schematic by eye | |
| ×1 | .033uF | 33n | drawn C?, filter to ground after U2A; read from the schematic by eye | |
| ×1 | 10uF | 10u | drawn C?, electrolytic at Q7; read from the schematic by eye | |
| Diodes 11 | ||||
| D1 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D2 | 1N4148 | 1N4148 | value shared with D1 label; read from the schematic by eye | |
| D3 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D4 | 1N4148 | 1N4148 | clipping diode; D4 is printed twice (clash); read from the schematic by eye | |
| D4 | 1N4148 | 1N4148 | second D4, at Q7 gate; read from the schematic by eye | |
| D5 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D6 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D9 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D10 | 1N4148 | 1N4148 | read from the schematic by eye | |
| ×1 | 1N4148 | 1N4148 | drawn D?, BBD output; read from the schematic by eye | |
| ×1 | 1N4001 | 1N4001 | drawn D?, power conditioner; read from the schematic by eye | |
| Transistors 7 | ||||
| Q1 | J113 | J113 | read from the schematic by eye | |
| Q2 | J113 | J113 | read from the schematic by eye | |
| Q3 | PN100 | PN100 | read from the schematic by eye | |
| Q4 | ? | ? | NPN, no part number given; read from the schematic by eye | |
| Q5 | J113 | J113 | read from the schematic by eye | |
| Q6 | ? | ? | NPN, no part number given; read from the schematic by eye | |
| Q7 | J113 | J113 | read from the schematic by eye | |
| ICs 6 | ||||
| U1 | MC1458 | MC1458 | dual op amp (U1A, U1B); read from the schematic by eye | |
| U2 | LF353 | LF353 | dual op amp (U2A, U2B); read from the schematic by eye | |
| U3 | 4007 | 4007 | CD4007 bypass logic; read from the schematic by eye | |
| U4 | MN3007 | MN3007 | BBD; read from the schematic by eye | |
| U5 | MN3101 | MN3101 | BBD clock; read from the schematic by eye | |
| U6 | MC1458 | MC1458 | dual op amp (U6A, U6B); read from the schematic by eye | |
| Potentiometers 4 | ||||
| Delay | 500K | 500k | Potentiometer | P1; read from the schematic by eye |
| Level | 100K | 100k | Potentiometer | P2; read from the schematic by eye |
| Bass Presence | 100K | 100k | Potentiometer | P3; read from the schematic by eye |
| Distortion | 100K | 100k | Potentiometer | P4; read from the schematic by eye |
| Trimmers 2 | ||||
| P5 | 1M | 1M | wired as a variable resistor setting +4.2V; read from the schematic by eye | |
| P6 | 50K | 50k | delay mix/bias; read from the schematic by eye | |
| LEDs 1 | ||||
| ×1 | LED | LED | drawn D?; read from the schematic by eye | |