Enclosure not stated · 3 knobs
BOSS DM2
Based on the Boss DM-2· 3 other boards clone it
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 112 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 49 | ||||
| R1 | 10K | 10k | read from the schematic by eye | |
| R2 | 100 | 100 | read from the schematic by eye | |
| R3 | 100K | 100k | read from the schematic by eye | |
| R4 | 470K | 470k | read from the schematic by eye | |
| R5 | 10K | 10k | read from the schematic by eye | |
| R6 | 10K | 10k | read from the schematic by eye | |
| R7 | 47K | 47k | read from the schematic by eye | |
| R8 | 47K | 47k | read from the schematic by eye | |
| R9 | 10K | 10k | read from the schematic by eye | |
| R10 | 10K | 10k | read from the schematic by eye | |
| R11 | 10K | 10k | read from the schematic by eye | |
| R12 | 10K | 10k | read from the schematic by eye | |
| R13 | 22K | 22k | read from the schematic by eye | |
| R14 | 10K | 10k | read from the schematic by eye | |
| R15 | 10K | 10k | read from the schematic by eye | |
| R16 | 10K | 10k | read from the schematic by eye | |
| R17 | 10K | 10k | read from the schematic by eye | |
| R18 | 100K | 100k | read from the schematic by eye | |
| R19 | 100K | 100k | read from the schematic by eye | |
| R20 | 100K | 100k | read from the schematic by eye | |
| R21 | 10K | 10k | read from the schematic by eye | |
| R22 | 10K | 10k | read from the schematic by eye | |
| R23 | 10K | 10k | read from the schematic by eye | |
| R24 | 10K | 10k | read from the schematic by eye | |
| R25 | 10K | 10k | read from the schematic by eye | |
| R26 | 10K | 10k | read from the schematic by eye | |
| R27 | 22 | 22 | read from the schematic by eye | |
| R28 | 10K | 10k | read from the schematic by eye | |
| R29 | 1M | 1M | read from the schematic by eye | |
| R30 | 1M | 1M | read from the schematic by eye | |
| R31 | 1M | 1M | read from the schematic by eye | |
| R32 | 47K | 47k | read from the schematic by eye | |
| R33 | 10K | 10k | read from the schematic by eye | |
| R34 | 470 | 470 | read from the schematic by eye | |
| R35 | 47K | 47k | read from the schematic by eye | |
| R36 | 10K | 10k | read from the schematic by eye | |
| R37 | 47K | 47k | read from the schematic by eye | |
| R38 | 100 | 100 | read from the schematic by eye | |
| R39 | 1M | 1M | read from the schematic by eye | |
| R40 | 3.9K | 3.9k | read from the schematic by eye | |
| R41 | 56K | 56k | read from the schematic by eye | |
| R42 | 56K | 56k | read from the schematic by eye | |
| R43 | 56K | 56k | read from the schematic by eye | |
| R44 | 56K | 56k | read from the schematic by eye | |
| R45 | 100K | 100k | read from the schematic by eye | |
| R46 | 100K | 100k | read from the schematic by eye | |
| R47 | 100K | 100k | read from the schematic by eye | |
| R48 | 18K | 18k | read from the schematic by eye | |
| R49 | 22K | 22k | read from the schematic by eye | |
| Capacitors 40 | ||||
| C1 | .047uF | 47n | drawn .047; read from the schematic by eye | |
| C2 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C3 | .0068uF | 6.8n | drawn .0068; read from the schematic by eye | |
| C4 | 100pF | 100p | read from the schematic by eye | |
| C5 | 100pF | 100p | read from the schematic by eye | |
| C6 | 10uF | 10u | electrolytic, 16V (drawn 10/16); read from the schematic by eye | |
| C7 | 10uF | 10u | electrolytic, 16V (drawn 10/16); read from the schematic by eye | |
| C8 | .1uF | 100n | electrolytic, 50V (drawn .1/50); read from the schematic by eye | |
| C9 | 10uF | 10u | electrolytic, 16V (drawn 10/16); read from the schematic by eye | |
| C10 | .22uF | 220n | electrolytic, 50V (drawn .22/50); read from the schematic by eye | |
| C11 | .0068uF | 6.8n | drawn .0068; read from the schematic by eye | |
| C12 | .22uF | 220n | electrolytic, 50V (drawn .22/50); read from the schematic by eye | |
| C13 | .082uF | 82n | drawn .082; read from the schematic by eye | |
| C14 | 330pF | 330p | read from the schematic by eye | |
| C15 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C16 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C17 | .0022uF | 2.2n | drawn .0022; read from the schematic by eye | |
| C18 | .001uF | 1n | drawn .001; read from the schematic by eye | |
| C19 | .033uF | 33n | drawn .033; read from the schematic by eye | |
| C20 | .039uF | 39n | drawn .039; read from the schematic by eye | |
| C21 | 330pF | 330p | read from the schematic by eye | |
| C22 | 10uF | 10u | electrolytic, 16V (drawn 10/16); read from the schematic by eye | |
| C23 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C24 | .047uF | 47n | drawn .047; read from the schematic by eye | |
| C25 | 100pF | 100p | read from the schematic by eye | |
| C26 | 47uF | 47u | electrolytic, 6.3V (drawn 47/6.3); read from the schematic by eye | |
| C27 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C28 | 100pF | 100p | read from the schematic by eye | |
| C29 | .0068uF | 6.8n | drawn .0068; read from the schematic by eye | |
| C30 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C31 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| C32 | .01uF | 10n | drawn .01; read from the schematic by eye | |
| C33 | 470pF | 470p | read from the schematic by eye | |
| C34 | 470pF | 470p | read from the schematic by eye | |
| C35 | 220pF | 220p | read from the schematic by eye | |
| C36 | 220pF | 220p | read from the schematic by eye | |
| C37 | 100uF | 100u | electrolytic, 16V (drawn 100/16); read from the schematic by eye | |
| C38 | 220uF | 220u | electrolytic, 10V (drawn 220/10); read from the schematic by eye | |
| C39 | 100pF | 100p | read from the schematic by eye | |
| C40 | 1uF | 1u | electrolytic, 50V (drawn 1/50); read from the schematic by eye | |
| Diodes 5 | ||||
| D1 | 1S2473 | 1S2473 | read from the schematic by eye | |
| D2 | 1S2473 | 1S2473 | read from the schematic by eye | |
| D3 | RD5.6EB3 | RD5.6EB3 | 5.6V zener in LED circuit; read from the schematic by eye | |
| D4 | RD11EB3 | RD11EB3 | 11V zener; read from the schematic by eye | |
| D5 | 1S2473 | 1S2473 | read from the schematic by eye | |
| Transistors 7 | ||||
| Q1 | 2SC732TM-GR | 2SC732TM-GR | read from the schematic by eye | |
| Q2 | 2SC732TM-GR | 2SC732TM-GR | read from the schematic by eye | |
| Q3 | 2SC732TM-GR | 2SC732TM-GR | read from the schematic by eye | |
| Q4 | 2SC732TM-GR | 2SC732TM-GR | read from the schematic by eye | |
| Q5 | 2SK30ATM-Y | 2SK30ATM-Y | JFET; read from the schematic by eye | |
| Q6 | 2SC945-P | 2SC945-P | flip-flop; read from the schematic by eye | |
| Q7 | 2SC945-P | 2SC945-P | flip-flop; read from the schematic by eye | |
| ICs 4 | ||||
| IC1 | uPC4558C | UPC4558C | dual op amp; read from the schematic by eye | |
| IC2 | NE570N | NE570N | compander; read from the schematic by eye | |
| IC3 | MN3005 | MN3005 | 4096-stage BBD (selected); read from the schematic by eye | |
| IC4 | MN3101 | MN3101 | BBD clock driver; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Intensity | B50K | B50k | Potentiometer | VR4, drawn 50KB; read from the schematic by eye |
| Echo | B50K | B50k | Potentiometer | VR5, drawn 50KB; read from the schematic by eye |
| Repeat Rate | B1M | B1M | Potentiometer | VR6, drawn 1MB; read from the schematic by eye |
| Trimmers 3 | ||||
| VR1 | B22K | 22k | Bias, drawn 22KB; read from the schematic by eye | |
| VR2 | B10K | 10k | Cancel, drawn 10KB; read from the schematic by eye | |
| VR3 | B1M | 1M | Clock, drawn 1MB; read from the schematic by eye | |
| LEDs 1 | ||||
| ×1 | SLP-135B | SLP-135B | Check indicator; read from the schematic by eye | |