Enclosure not stated · 4 knobs
BOSS DR-100
Based on the Boss DR-100
- Category
- Ring Mod / Synth· Full Synths Drum Synths and Misc Synth
- Price
- see vendor
- Tags
- Full Synths Drum Synths and Misc Synth
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 289 rows
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Check before you build · 6 values the reader of this schematic was not sure of
- C29: no value printed
- C35: '107' or '102'
- R77: drawn '120 180'
- Q19: PNP/NPN unclear
- Q20/Q21: polarity read from arrow direction (Q20 NPN, Q21 PNP)
- CPU-D9: 1SS133 note sits on the voicing board
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 148 | ||||
| CPU-R1 | 120K | 120k | read from the schematic by eye | |
| CPU-R2 | 150K | 150k | read from the schematic by eye | |
| CPU-R3 | 47K | 47k | read from the schematic by eye | |
| CPU-R4 | 100K | 100k | read from the schematic by eye | |
| CPU-R5 | 1K | 1k | read from the schematic by eye | |
| CPU-R6 | 10K | 10k | read from the schematic by eye | |
| CPU-R7 | 100K | 100k | read from the schematic by eye | |
| CPU-R8 | 100K | 100k | read from the schematic by eye | |
| CPU-R9 | 100K | 100k | read from the schematic by eye | |
| CPU-R10 | 100K | 100k | read from the schematic by eye | |
| CPU-R11 | 100K | 100k | read from the schematic by eye | |
| CPU-R12 | 100K | 100k | read from the schematic by eye | |
| R1 | 330K | 330k | read from the schematic by eye | |
| R2 | 100K | 100k | read from the schematic by eye | |
| R3 | 82K | 82k | read from the schematic by eye | |
| R4 | 100K | 100k | read from the schematic by eye | |
| R5 | 100K | 100k | read from the schematic by eye | |
| R6 | 560 | 560 | read from the schematic by eye | |
| R7 | 100K | 100k | read from the schematic by eye | |
| R8 | 22K | 22k | read from the schematic by eye | |
| R9 | 100K | 100k | read from the schematic by eye | |
| R10 | 100K | 100k | read from the schematic by eye | |
| R11 | 82K | 82k | read from the schematic by eye | |
| R12 | 560 | 560 | read from the schematic by eye | |
| R13 | 100 | 100 | read from the schematic by eye | |
| R14 | 100K | 100k | read from the schematic by eye | |
| R15 | 100K | 100k | read from the schematic by eye | |
| R16 | 560 | 560 | read from the schematic by eye | |
| R17 | 220 | 220 | read from the schematic by eye | |
| R18 | 220K | 220k | read from the schematic by eye | |
| R19 | 82K | 82k | read from the schematic by eye | |
| R20 | 470K | 470k | read from the schematic by eye | |
| R21 | 220 | 220 | read from the schematic by eye | |
| R22 | 33K | 33k | read from the schematic by eye | |
| R23 | 82K | 82k | read from the schematic by eye | |
| R24 | 33K | 33k | read from the schematic by eye | |
| R25 | 120K | 120k | read from the schematic by eye | |
| R26 | 220K | 220k | read from the schematic by eye | |
| R27 | 330K | 330k | read from the schematic by eye | |
| R28 | 100K | 100k | read from the schematic by eye | |
| R29 | 220K | 220k | read from the schematic by eye | |
| R30 | 100K | 100k | read from the schematic by eye | |
| R31 | 220K | 220k | read from the schematic by eye | |
| R32 | 100K | 100k | read from the schematic by eye | |
| R33 | 2.2M | 2.2M | read from the schematic by eye | |
| R34 | 150K | 150k | read from the schematic by eye | |
| R35 | 100K | 100k | read from the schematic by eye | |
| R36 | 100K | 100k | read from the schematic by eye | |
| R37 | 33K | 33k | read from the schematic by eye | |
| R38 | 220 | 220 | read from the schematic by eye | |
| R39 | 100K | 100k | read from the schematic by eye | |
| R40 | 33K | 33k | read from the schematic by eye | |
| R41 | 10K | 10k | read from the schematic by eye | |
| R42 | 100K | 100k | value printed above the resistor, read as 100K; read from the schematic by eye | |
| R43 | 1M | 1M | read from the schematic by eye | |
| R44 | 680K | 680k | read from the schematic by eye | |
| R45 | 33K | 33k | designator R45 printed twice; this is the one at Q6 (snare/cymbal envelope); read from the schematic by eye | |
| ×1 | 33K | 33k | second resistor printed R45 (duplicate designator), at Q11 bass-drum network; read from the schematic by eye | |
| R46 | 1M | 1M | read from the schematic by eye | |
| R47 | 33K | 33k | read from the schematic by eye | |
| R48 | 100K | 100k | read from the schematic by eye | |
| R49 | 10K | 10k | read from the schematic by eye | |
| R50 | 5K6 | 5.6k | read from the schematic by eye | |
| R51 | 100K | 100k | read from the schematic by eye | |
| R52 | 33K | 33k | read from the schematic by eye | |
| R53 | 33K | 33k | read from the schematic by eye | |
| R54 | 10K | 10k | read from the schematic by eye | |
| R55 | 33K | 33k | read from the schematic by eye | |
| R56 | 100K | 100k | read from the schematic by eye | |
| R57 | 2.2M | 2.2M | read from the schematic by eye | |
| R58 | 220K | 220k | read from the schematic by eye | |
| R59 | 47K | 47k | read from the schematic by eye | |
| R60 | 100 | 100 | read from the schematic by eye | |
| R61 | 10K | 10k | read from the schematic by eye | |
| R62 | 100K | 100k | read from the schematic by eye | |
| R63 | 10K | 10k | read from the schematic by eye | |
| R64 | 68K | 68k | read from the schematic by eye | |
| R65 | 68K | 68k | read from the schematic by eye | |
| R66 | 68K | 68k | read from the schematic by eye | |
| R67 | 68K | 68k | read from the schematic by eye | |
| R68 | 68K | 68k | read from the schematic by eye | |
| R69 | 2.2M | 2.2M | read from the schematic by eye | |
| R70 | 470 | 470 | read from the schematic by eye | |
| R71 | 10K | 10k | read from the schematic by eye | |
| R72 | 33K | 33k | read from the schematic by eye | |
| R73 | 10K | 10k | read from the schematic by eye | |
| R74 | 68K | 68k | read from the schematic by eye | |
| R76 | 33K | 33k | read from the schematic by eye | |
| R77 | 120 | 120 | drawn '120 180'; 120 with 180 as an alternative; read from the schematic by eye | |
| R78 | 2.2M | 2.2M | read from the schematic by eye | |
| R79 | 100K | 100k | read from the schematic by eye | |
| R80 | 10K | 10k | read from the schematic by eye | |
| R81 | 100K | 100k | read from the schematic by eye | |
| R82 | 100K | 100k | read from the schematic by eye | |
| R83 | 100K | 100k | read from the schematic by eye | |
| R84 | 33K | 33k | read from the schematic by eye | |
| R85 | 5K6 | 5.6k | read from the schematic by eye | |
| R86 | 15K | 15k | read from the schematic by eye | |
| R87 | 10K | 10k | read from the schematic by eye | |
| R88 | 5K6 | 5.6k | read from the schematic by eye | |
| R89 | 10K | 10k | read from the schematic by eye | |
| R90 | 4K7 | 4.7k | read from the schematic by eye | |
| R91 | 2K2 | 2.2k | read from the schematic by eye | |
| R92 | 33K | 33k | read from the schematic by eye | |
| R93 | 100K | 100k | read from the schematic by eye | |
| R94 | 560 | 560 | read from the schematic by eye | |
| R95 | 1K5 | 1.5k | read from the schematic by eye | |
| R96 | 100K | 100k | read from the schematic by eye | |
| R97 | 1K | 1k | read from the schematic by eye | |
| R98 | 100K | 100k | read from the schematic by eye | |
| R99 | 100K | 100k | read from the schematic by eye | |
| R100 | 100 | 100 | read from the schematic by eye | |
| R101 | 100 | 100 | read from the schematic by eye | |
| R102 | 100K | 100k | read from the schematic by eye | |
| R103 | 68K | 68k | read from the schematic by eye | |
| R104 | 33K | 33k | read from the schematic by eye | |
| R105 | 15K | 15k | read from the schematic by eye | |
| R106 | 220 | 220 | read from the schematic by eye | |
| R107 | 220 | 220 | read from the schematic by eye | |
| R108 | 10K | 10k | read from the schematic by eye | |
| R109 | 33K | 33k | read from the schematic by eye | |
| R110 | 220 | 220 | read from the schematic by eye | |
| R111 | 33K | 33k | read from the schematic by eye | |
| R112 | 33K | 33k | read from the schematic by eye | |
| R113 | 68K | 68k | read from the schematic by eye | |
| R114 | 68K | 68k | read from the schematic by eye | |
| R115 | 33K | 33k | read from the schematic by eye | |
| R116 | 15K | 15k | read from the schematic by eye | |
| R117 | 4.7M | 4.7M | read from the schematic by eye | |
| R118 | 180K | 180k | read from the schematic by eye | |
| R119 | 1K | 1k | read from the schematic by eye | |
| R120 | 10K | 10k | read from the schematic by eye | |
| R121 | 33K | 33k | read from the schematic by eye | |
| R122 | 220 | 220 | read from the schematic by eye | |
| R123 | 470K | 470k | read from the schematic by eye | |
| R124 | 2K2 | 2.2k | read from the schematic by eye | |
| R125 | 100 | 100 | read from the schematic by eye | |
| R126 | 10K | 10k | read from the schematic by eye | |
| R127 | 2.2M | 2.2M | read from the schematic by eye | |
| R128 | 33K | 33k | read from the schematic by eye | |
| R129 | 10K | 10k | read from the schematic by eye | |
| R130 | 100 | 100 | read from the schematic by eye | |
| R131 | 10 | 10 | read from the schematic by eye | |
| R132 | 10 | 10 | read from the schematic by eye | |
| R133 | 220K | 220k | read from the schematic by eye | |
| R134 | 100K | 100k | read from the schematic by eye | |
| R135 | 10 | 10 | read from the schematic by eye | |
| R136 | 10K | 10k | output jack, units up to SN 361000; read from the schematic by eye | |
| Capacitors 75 | ||||
| CPU-C1 | 100uF | 100u | 6.3V; read from the schematic by eye | |
| CPU-C2 | 0.1uF | 100n | read from the schematic by eye | |
| CPU-C3 | 0.1uF | 100n | read from the schematic by eye | |
| CPU-C4 | 683 | 68n | 0.068uF; read from the schematic by eye | |
| CPU-C5 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| CPU-C6 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| CPU-C7 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| C1 | 472J | 4.7n | J = 5%; read from the schematic by eye | |
| C2 | 102 | 1n | read from the schematic by eye | |
| C3 | 222 | 2.2n | read from the schematic by eye | |
| C4 | 332 | 3.3n | read from the schematic by eye | |
| C5 | 332 | 3.3n | read from the schematic by eye | |
| C6 | 47uF | 47u | 6.3V; read from the schematic by eye | |
| C7 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| C8 | 1uF | 1u | 50V; read from the schematic by eye | |
| C9 | 682 | 6.8n | read from the schematic by eye | |
| C10 | 682 | 6.8n | read from the schematic by eye | |
| C11 | 472J | 4.7n | J = 5%; read from the schematic by eye | |
| C12 | 472J | 4.7n | J = 5%; read from the schematic by eye | |
| C13 | 472J | 4.7n | J = 5%; read from the schematic by eye | |
| C14 | 332 | 3.3n | read from the schematic by eye | |
| C15 | 100uF | 100u | 6.3V; read from the schematic by eye | |
| C16 | 473 | 47n | read from the schematic by eye | |
| C17 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| C18 | 1uF | 1u | 50V; read from the schematic by eye | |
| C19 | 473 | 47n | read from the schematic by eye | |
| C20 | 473 | 47n | read from the schematic by eye | |
| C21 | 1uF | 1u | 50V; read from the schematic by eye | |
| C22 | 102 | 1n | read from the schematic by eye | |
| C23 | 470P | 470p | read from the schematic by eye | |
| C24 | 102 | 1n | read from the schematic by eye | |
| C25 | 470P | 470p | read from the schematic by eye | |
| C26 | 4.7uF | 4.7u | 35V; read from the schematic by eye | |
| C27 | 470P | 470p | read from the schematic by eye | |
| C28 | 682 | 6.8n | read from the schematic by eye | |
| C29 | ? | ? | no value printed; read from the schematic by eye | |
| C30 | 470P | 470p | read from the schematic by eye | |
| C31 | 682 | 6.8n | read from the schematic by eye | |
| C32 | 470P | 470p | read from the schematic by eye | |
| C33 | 332 | 3.3n | read from the schematic by eye | |
| C34 | 473 | 47n | read from the schematic by eye | |
| C35 | 102 | 1n | printed '107' or '102'; read as 102 (0.001uF); read from the schematic by eye | |
| C36 | 222 | 2.2n | read from the schematic by eye | |
| C37 | 682 | 6.8n | read from the schematic by eye | |
| C38 | 333 | 33n | read from the schematic by eye | |
| C39 | 333 | 33n | read from the schematic by eye | |
| C40 | 333 | 33n | read from the schematic by eye | |
| C41 | 333 | 33n | read from the schematic by eye | |
| C42 | 470P | 470p | read from the schematic by eye | |
| C43 | 222 | 2.2n | read from the schematic by eye | |
| C44 | 223 | 22n | read from the schematic by eye | |
| C45 | 683 | 68n | read from the schematic by eye | |
| C46 | 223 | 22n | read from the schematic by eye | |
| C47 | 47uF | 47u | 6.3V; read from the schematic by eye | |
| C48 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| C49 | 1uF | 1u | 50V; read from the schematic by eye | |
| C50 | 2.2uF | 2.2u | 50V; read from the schematic by eye | |
| C51 | 223 | 22n | read from the schematic by eye | |
| C52 | 1uF | 1u | 50V; read from the schematic by eye | |
| C53 | 47uF | 47u | 6.3V; read from the schematic by eye | |
| C54 | 10uF | 10u | 16V; read from the schematic by eye | |
| C55 | 10uF | 10u | 16V; read from the schematic by eye | |
| C56 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| C57 | 0.47uF | 470n | 50V; read from the schematic by eye | |
| C58 | 1uF | 1u | 50V; read from the schematic by eye | |
| C59 | 222 | 2.2n | read from the schematic by eye | |
| C60 | 100uF | 100u | 6.3V; read from the schematic by eye | |
| C61 | 122 | 1.2n | read from the schematic by eye | |
| C62 | 10uF | 10u | 16V; read from the schematic by eye | |
| C63 | 122 | 1.2n | read from the schematic by eye | |
| C64 | 100uF | 100u | 6.3V; read from the schematic by eye | |
| C65 | 100uF | 100u | 6.3V; read from the schematic by eye | |
| C66 | 223 | 22n | read from the schematic by eye | |
| C67 | 104 | 100n | read from the schematic by eye | |
| C68 | 10uF | 10u | 16V; read from the schematic by eye | |
| Diodes 25 | ||||
| CPU-D1 | DAP201 | DAP201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D2 | DAP201 | DAP201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D3 | DAP201 | DAP201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D4 | DAP201 | DAP201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D5 | DAN201 | DAN201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D6 | DAN201 | DAN201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D7 | DAN201 | DAN201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D8 | DAN201 | DAN201 | dual diode (A/B halves); read from the schematic by eye | |
| CPU-D9 | 1SS133 | 1SS133 | no part number drawn; the 1SS133 note is printed on the voicing board; read from the schematic by eye | |
| D1 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D2 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| ×1 | 1SS133 | 1SS133 | unlabeled diode at Q7 collector, probably D3; from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D4 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D5 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D6 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D7 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D8 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D9 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D10 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D11 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D12 | RD6.8EB2 | RD6.8EB2 | 6.8V zener; ; read from the schematic by eye | |
| D13 | S5500G | S5500G | power diode; ; read from the schematic by eye | |
| D14 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D15 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| D16 | 1SS133 | 1SS133 | from the 'diodes are 1SS133' note; read from the schematic by eye | |
| Transistors 25 | ||||
| CPU-Q1 | 2SB642R | 2SB642R | PNP; read from the schematic by eye | |
| Q1 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q2 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q3 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q4 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q5 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q6 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q7 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q8 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q9 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q10 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q11 | 2SC945K | 2SC945K | 2SC945K or 2SC1815BL; read from the schematic by eye | |
| Q12 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q13 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q14 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q15 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q16 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q17 | 2SA1115F | 2SA1115F | PNP, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q18 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q19 | 2SA1115F | 2SA1115F | regulator pass transistor; polarity unclear on the drawing; read from the schematic by eye | |
| Q20 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q21 | 2SA1115F | 2SA1115F | PNP, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q22 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q23 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| Q24 | 2SC2603F | 2SC2603F | NPN, from the 'unless otherwise specified' note; read from the schematic by eye | |
| ICs 9 | ||||
| CPU-IC1 | HD44790A-44 | HD44790A-44 | 4-bit CPU with LCD driver; read from the schematic by eye | |
| CPU-IC2 | uPD444C | UPD444C | CMOS RAM; read from the schematic by eye | |
| CPU-IC3 | HD14011BP | HD14011BP | quad NAND; read from the schematic by eye | |
| IC1 | HD14069BP | HD14069BP | hex inverter (CY source / int clock); read from the schematic by eye | |
| IC2 | HD14069BP | HD14069BP | hex inverter (tempo clock, int clock); read from the schematic by eye | |
| IC3 | HD14006BP | HD14006BP | shift register, noise source; read from the schematic by eye | |
| IC4 | HD14070BP | HD14070BP | quad XOR; read from the schematic by eye | |
| IC5 | NJM4558 | NJM4558 | dual op amp; read from the schematic by eye | |
| IC6 | LM386N-1 | LM386N-1 | headphone amp; read from the schematic by eye | |
| Potentiometers 4 | ||||
| Tempo | 1MC | C1M | Potentiometer | VR1; read from the schematic by eye |
| Balance | 20KB | B20k | Potentiometer | VR2; read from the schematic by eye |
| Accent | 1MC | C1M | Potentiometer | VR3; read from the schematic by eye |
| Volume | 50KA | A50k | Potentiometer | VR4; read from the schematic by eye |
| Switches 2 | ||||
| SW1 | SSS522 | SSS522 | power switch; read from the schematic by eye | |
| ×19 | Pushbutton | PUSHBUTTON | STOP, START, BANK, steps 1-8, SHIFT, CP, CY, AC, BD, SD, OH, CH; read from the schematic by eye | |
| Other 1 | ||||
| LCD | 9201 | 9201 | LCD module; read from the schematic by eye | |