Enclosure not stated · 3 knobs
Seppuku Fx Mind WarpVerified
Based on the Seppuku Mind Warp· 1 other board clones it
- Category
- Vibrato / Chorus
- Controls
- LFO Speed · Warp · Depth
- Build
- Vero· 18×22· 23 cuts, 11 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Chorus, Modulation, Seppuku, Vibrato
From the post
Schematic, trace and info avaiable at FSB. Note that there is a cap value missing across pin 11 and 12 at the PT2399. There is a 10nF cap across pin 9 and 10 so a close value to that should work. Also, lug pot numberings isn't marked on iether of the schematics so lug numbering in the layout is just a best guess. Both red and green diffused LEDs has been used in the original circuit so a socket for would be a good idea as well as for the LDR. *Edit 200809* Dragao verified it using 820/8 LDR and green diffused LED. He also verified the Warp pot lug connections.
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 30 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 3.9K | 3.9k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×1 | 390K | 390k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 8 | ||||
| ×2 | 3.3nF | 3.3n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| C8 | ? | ? | value not given; legend: unknown value, probably 10nF; read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | PT2399 | PT2399 | read from the layout by eye | |
| REG | 78L05 | 78L05 | regulator; read from the layout by eye | |
| Opto 1 | ||||
| LDR | LDR | LDR | type not given; read from the layout by eye | |
| Potentiometers 3 | ||||
| LFO Speed | B100K | B100k | Potentiometer | read from the layout by eye |
| Warp | B2K | B2k | Potentiometer | read from the layout by eye |
| Depth | B50K | B50k | Potentiometer | read from the layout by eye |
| LEDs 1 | ||||
| D1 | Green or red diffused 3mm LED | GREEN OR RED DIFFUSED 3MM LED | on the board, next to the LDR; read from the layout by eye | |
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