Enclosure not stated · 4 knobs
BOSS RV-3
Based on the Boss RV-3
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 172 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- R14: printed value looks like 6.2k but may be 8.2k (R13 in the matching channel reads 8.2k)
- IC9: DRAM part number small and blurred, read MSM44256BJ
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 71 | ||||
| R1 | 10k | 10k | read from the schematic by eye | |
| R2 | 100k | 100k | read from the schematic by eye | |
| R3 | 100k | 100k | read from the schematic by eye | |
| R4 | 100k | 100k | read from the schematic by eye | |
| R5 | 120k | 120k | read from the schematic by eye | |
| R6 | 120k | 120k | read from the schematic by eye | |
| R8 | 10k | 10k | 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 | 6.8k | 6.8k | read from the schematic by eye | |
| R12 | 6.8k | 6.8k | read from the schematic by eye | |
| R13 | 8.2k | 8.2k | read from the schematic by eye | |
| R14 | 8.2k | 8.2k | printed 6.2k or 8.2k; read 8.2k to match R13 in the other channel; read from the schematic by eye | |
| R15 | 33k | 33k | read from the schematic by eye | |
| R16 | 18k | 18k | read from the schematic by eye | |
| R17 | 100k | 100k | read from the schematic by eye | |
| R18 | 1k | 1k | read from the schematic by eye | |
| R19 | 100k | 100k | read from the schematic by eye | |
| R20 | 1k | 1k | read from the schematic by eye | |
| R21 | 2.2k | 2.2k | read from the schematic by eye | |
| R22 | 470 | 470 | read from the schematic by eye | |
| R23 | 10k | 10k | read from the schematic by eye | |
| R24 | 220k | 220k | read from the schematic by eye | |
| R25 | 10k | 10k | read from the schematic by eye | |
| R26 | 6.8k | 6.8k | read from the schematic by eye | |
| R27 | 100 | 100 | read from the schematic by eye | |
| R28 | 100K | 100k | read from the schematic by eye | |
| R29 | 1M | 1M | read from the schematic by eye | |
| R30 | 18k | 18k | read from the schematic by eye | |
| R31 | 33k | 33k | read from the schematic by eye | |
| R32 | 10k | 10k | read from the schematic by eye | |
| R33 | 47k | 47k | read from the schematic by eye | |
| R34 | 47k | 47k | 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 | 10k | 10k | read from the schematic by eye | |
| R39 | 10k | 10k | read from the schematic by eye | |
| R40 | 10k | 10k | read from the schematic by eye | |
| R41 | 1M | 1M | read from the schematic by eye | |
| R42 | 1M | 1M | read from the schematic by eye | |
| R43 | 47k | 47k | read from the schematic by eye | |
| R44 | 47k | 47k | read from the schematic by eye | |
| R45 | 10k | 10k | read from the schematic by eye | |
| R46 | 10k | 10k | read from the schematic by eye | |
| R47 | 5.6k | 5.6k | read from the schematic by eye | |
| R48 | 47k | 47k | read from the schematic by eye | |
| R49 | 22k | 22k | read from the schematic by eye | |
| R50 | 10k | 10k | read from the schematic by eye | |
| R51 | 82k | 82k | read from the schematic by eye | |
| R52 | 10k | 10k | read from the schematic by eye | |
| R53 | 100k | 100k | read from the schematic by eye | |
| R54 | 3.3k | 3.3k | read from the schematic by eye | |
| R55 | 100k | 100k | read from the schematic by eye | |
| R56 | 3.3k | 3.3k | read from the schematic by eye | |
| R57 | 10k | 10k | read from the schematic by eye | |
| R58 | 10k | 10k | read from the schematic by eye | |
| R59 | 10k | 10k | read from the schematic by eye | |
| R60 | 220k | 220k | read from the schematic by eye | |
| R61 | 220k | 220k | read from the schematic by eye | |
| R62 | 100k | 100k | read from the schematic by eye | |
| R63 | 120k | 120k | read from the schematic by eye | |
| R64 | 100k | 100k | read from the schematic by eye | |
| R65 | 120k | 120k | read from the schematic by eye | |
| R66 | 10k | 10k | read from the schematic by eye | |
| R67 | 10k | 10k | read from the schematic by eye | |
| R68 | 2.2k | 2.2k | read from the schematic by eye | |
| R69 | 2.2k | 2.2k | read from the schematic by eye | |
| R70 | 1M | 1M | read from the schematic by eye | |
| R71 | 1M | 1M | read from the schematic by eye | |
| R72 | 22 | 22 | read from the schematic by eye | |
| Capacitors 65 | ||||
| C1 | 100uF | 100u | electrolytic, 16V; read from the schematic by eye | |
| C2 | 47uF | 47u | electrolytic, 16V; read from the schematic by eye | |
| C3 | 100uF | 100u | electrolytic, 16V; read from the schematic by eye | |
| C4 | 100uF | 100u | electrolytic, 6.3V; read from the schematic by eye | |
| C5 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C6 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C7 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C8 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C9 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C10 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C11 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C12 | 4.7uF | 4.7u | electrolytic, 6.3V; read from the schematic by eye | |
| C13 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C14 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| C15 | 10uF | 10u | electrolytic, 6.3V; read from the schematic by eye | |
| C16 | 10uF | 10u | electrolytic, 6.3V; read from the schematic by eye | |
| C17 | 100uF | 100u | electrolytic, 6.3V; read from the schematic by eye | |
| C18 | 4.7uF | 4.7u | electrolytic, 6.3V; read from the schematic by eye | |
| C20 | 4.7uF | 4.7u | electrolytic, 6.3V; read from the schematic by eye | |
| C21 | 0.1uF | 100n | read from the schematic by eye | |
| C22 | 0.1uF | 100n | read from the schematic by eye | |
| C23 | 0.1uF | 100n | read from the schematic by eye | |
| C24 | 0.1uF | 100n | read from the schematic by eye | |
| C25 | 0.1uF | 100n | read from the schematic by eye | |
| C26 | 0.1uF | 100n | read from the schematic by eye | |
| C27 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C28 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C29 | 0.1uF | 100n | read from the schematic by eye | |
| C30 | 0.1uF | 100n | read from the schematic by eye | |
| C31 | 10pF | 10p | read from the schematic by eye | |
| C32 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C33 | 0.1uF | 100n | read from the schematic by eye | |
| C34 | 0.1uF | 100n | read from the schematic by eye | |
| C35 | 150pF | 150p | read from the schematic by eye | |
| C36 | 0.012uF | 12n | read from the schematic by eye | |
| C37 | 150pF | 150p | read from the schematic by eye | |
| C38 | 0.012uF | 12n | read from the schematic by eye | |
| C39 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C40 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C41 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C42 | 0.0047uF | 4.7n | read from the schematic by eye | |
| C43 | 0.0082uF | 8.2n | read from the schematic by eye | |
| C44 | 0.0082uF | 8.2n | read from the schematic by eye | |
| C45 | 0.1uF | 100n | read from the schematic by eye | |
| C46 | 0.1uF | 100n | read from the schematic by eye | |
| C47 | 0.1uF | 100n | read from the schematic by eye | |
| C48 | 0.1uF | 100n | read from the schematic by eye | |
| C49 | 0.1uF | 100n | read from the schematic by eye | |
| C50 | 0.1uF | 100n | read from the schematic by eye | |
| C51 | 0.1uF | 100n | read from the schematic by eye | |
| C52 | 0.1uF | 100n | read from the schematic by eye | |
| C53 | 0.1uF | 100n | read from the schematic by eye | |
| C54 | 0.1uF | 100n | read from the schematic by eye | |
| C55 | 0.1uF | 100n | read from the schematic by eye | |
| C56 | 0.1uF | 100n | read from the schematic by eye | |
| C57 | 0.1uF | 100n | read from the schematic by eye | |
| C58 | 0.1uF | 100n | read from the schematic by eye | |
| C59 | 0.1uF | 100n | read from the schematic by eye | |
| C60 | 0.1uF | 100n | read from the schematic by eye | |
| C61 | 0.1uF | 100n | read from the schematic by eye | |
| C62 | 0.1uF | 100n | read from the schematic by eye | |
| C63 | 0.1uF | 100n | read from the schematic by eye | |
| C64 | 10pF | 10p | read from the schematic by eye | |
| C65 | 10pF | 10p | read from the schematic by eye | |
| C70 | 3.3uF | 3.3u | electrolytic, 10V; read from the schematic by eye | |
| Diodes 9 | ||||
| D1 | S5688G | S5688G | supply protection; read from the schematic by eye | |
| D2 | RD5.6EB3 | RD5.6EB3 | 5.6V zener; read from the schematic by eye | |
| D3 | 1SS302 | 1SS302 | dual diode; read from the schematic by eye | |
| D4 | 1SS352 | 1SS352 | read from the schematic by eye | |
| D6 | 1SS352 | 1SS352 | read from the schematic by eye | |
| D7 | 1SS302 | 1SS302 | dual diode; read from the schematic by eye | |
| D8 | 1SS302 | 1SS302 | dual diode; read from the schematic by eye | |
| D9 | 1SS302 | 1SS302 | dual diode; read from the schematic by eye | |
| D10 | 1SS352 | 1SS352 | read from the schematic by eye | |
| Transistors 7 | ||||
| Q1 | 2SC2458 | 2SC2458 | NPN, supply filter; read from the schematic by eye | |
| Q2 | 2SK880 | 2SK880 | JFET switch; read from the schematic by eye | |
| Q4 | 2SK880 | 2SK880 | JFET switch; read from the schematic by eye | |
| Q5 | RN1307 | RN1307 | digital transistor (built-in resistors); read from the schematic by eye | |
| Q6 | RN1307 | RN1307 | digital transistor (built-in resistors); read from the schematic by eye | |
| Q7 | 2SA1312 | 2SA1312 | PNP; read from the schematic by eye | |
| Q8 | 2SA1312 | 2SA1312 | PNP; read from the schematic by eye | |
| ICs 11 | ||||
| IC1 | M5218A | M5218A | dual op amp; read from the schematic by eye | |
| IC2 | M5218A | M5218A | dual op amp; read from the schematic by eye | |
| IC3 | NJM2100 | NJM2100 | dual op amp; read from the schematic by eye | |
| IC4 | NJM2100 | NJM2100 | dual op amp; read from the schematic by eye | |
| IC5 | 78L05 | 78L05 | 5V regulator; read from the schematic by eye | |
| IC6 | LC8390M | LC8390M | ADC/DAC; read from the schematic by eye | |
| IC7 | UPD6379GR | UPD6379GR | stereo DAC; read from the schematic by eye | |
| IC8 | TC255C080AU-104 | TC255C080AU-104 | Boss DSP; read from the schematic by eye | |
| IC9 | MSM44256BJ | MSM44256BJ | 256K x4 DRAM; part number small and blurred; read from the schematic by eye | |
| IC10 | M37470E4-161SP | M37470E4-161SP | microcontroller; drawing says M37470E4-161SP or M37470M2-245SP; read from the schematic by eye | |
| IC11 | M51951A | M51951A | reset IC; read from the schematic by eye | |
| Inductors 1 | ||||
| L1 | EMI-FILTER | EMI-FILTER | supply EMI filter; read from the schematic by eye | |
| Potentiometers 4 | ||||
| Balance | 100k | 100k | Potentiometer | VR1 on VR board 2/2, drawn 100kWx2 (dual gang); read from the schematic by eye |
| Control 1 | B50k | B50k | Potentiometer | VR2; read from the schematic by eye |
| Control 2 | B50k | B50k | Potentiometer | VR3; read from the schematic by eye |
| Mode | B50k | B50k | Potentiometer | VR4; read from the schematic by eye |
| Trimmers 1 | ||||
| RT1 | 2.2k | 2.2k | read from the schematic by eye | |
| LEDs 1 | ||||
| LED1 | LN-28RP | LN-28RP | on LED board; read from the schematic by eye | |
| Other 2 | ||||
| X1 | 24.576MHz | 24.576MHZ | MA506 crystal; read from the schematic by eye | |
| X2 | 4.00MHz | 4.00MHZ | CST4.00MGW ceramic resonator; read from the schematic by eye | |