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Dannysound
–
EN129 Thru Zero Oscillator
Build Guide v1.05
Contents
Section 1 - Main PCB
Resistors
Diodes
Inductors
IC Sockets
Capacitors
Transistors
Power Socket
Trim Pots
Electrolytic Capacitors
Board Connector
Section 2
–
Power Test, Matched Transistors and IC placement
Section 3
–
Pots PCB
Resistors
IC Sockets
Capacitors
Transistors
Panel Components
Calibration
Содержание EN129 Thru Zero Oscillator
Страница 4: ...4 Section 1 Main PCB Resistors 1 15 x 100k resistors...
Страница 5: ...5 2 7 x 10k resistors...
Страница 6: ...6 3 6 x 1k resistors...
Страница 7: ...7 4 3 x 220k resistors...
Страница 8: ...8 5 3 x 2M2 resistors...
Страница 9: ...9 6 2 x 1k5 resistors...
Страница 10: ...10 7 2 x 1k8 resistors...
Страница 11: ...11 8 2 x 6k8 resistors...
Страница 12: ...12 9 2 x 470k resistors...
Страница 13: ...13 10 1 x 390r resistors...
Страница 14: ...14 11 1 x 2k2 resistors...
Страница 15: ...15 12 1 x 33k resistors...
Страница 16: ...16 13 1 x 150k resistors...
Страница 17: ...17 14 1 x 200k resistors...
Страница 18: ...18 15 1 x 56k resistors...
Страница 19: ...19 16 1 x 1M resistors...
Страница 20: ...20 17 1 x 8M2 resistors...
Страница 22: ...22 Inductors 19 2 x bead inductors...
Страница 23: ...23 IC Sockets 20 IC sockets Make sure the notches in the sockets match the notches on the silkscreen...
Страница 24: ...24 Capacitors 21 1 x 47pF capacitor located in diode bag...
Страница 25: ...25 22 12 x 100nF capacitors...
Страница 26: ...26 23 1 x 1nF polystyrene capacitor...
Страница 27: ...27 24 2 x 100pF capacitors...
Страница 31: ...31 28 1 x 100r blue trimpot V OCT...
Страница 33: ...33 Board Connector 30 Female connector...
Страница 36: ...36 3 1 x 2k TEMPCO resistor solder the tempco so that it s touching the matched pair below it...
Страница 43: ...43 Section 3 Pots PCB Resistors 1 x 39K resistor...
Страница 44: ...44 1 4 x 120k resistors...
Страница 46: ...46 3 2 x 100k resistors...
Страница 47: ...47 4 2 x 10k resistors...
Страница 48: ...48 5 1 x 2k2 resistor...
Страница 49: ...49 6 1 x 3k3 resistor...
Страница 50: ...50 7 1 x 22k resistor...
Страница 51: ...51 8 1 x 30k resistor...
Страница 52: ...52 9 1 x 150k resistor...
Страница 53: ...53 10 1 x 1M5 resistor...
Страница 54: ...54 11 1 x 5M6 resistor...
Страница 55: ...55 IC Sockets 12 IC socket Make sure the notch in the socket matches the notch on the silkscreen...
Страница 56: ...56 Capacitors 13 2 x 100nF capacitors...
Страница 58: ...58 15 1 x 1uF NP capacitor This electro capacitor is non polar so orientation does not matter...
Страница 62: ...62 19 1 x SIL pin male header now is also a good time to screw the four hex standoffs onto the front PCB...
Страница 63: ...63 20 1 x TL072 opamp orientation is vital match the dot with the notch on the PCB silkscreen and IC Socket...
Страница 66: ...66 23 3 x B100k blue body plastic shaft pots...
Страница 67: ...67 24 2 x B100K green body metal shaft pots B100K...
Страница 69: ...69 26 9 x jack sockets...
Страница 70: ...70 27 Insert 1 x pot nut this nut will sit below the panel...
Страница 71: ...71 28 Insert LED light pipes and retainer clips...
Страница 72: ...72 29 Fit the panel and insert second pot nut but do not fully tighten...
Страница 74: ...74 31 Solder one pin on each of the four outer jack sockets then add nuts to keep panel in place...
Страница 75: ...75 33 Add knobs and solder one ground tab of each pot...
Страница 77: ...77 35 Add PCB mounting hardware connect the main board and insert the remaining screws...
Страница 78: ...78 Calibration This procedure requires an oscilloscope SINE SYM SAW TRIM SINE TRIM V OCT...
Страница 81: ...81 3 Saw Trim Connect the oscilloscope to the SAW output Adjust SAW TRIM to obtain a saw wave...