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RUSTTOPBOTTOMDISSOLVE

Enclosure not stated · 4 knobs

Experimentalists Anonymous

DOD FX70-C Corrosion

Based on the DOD FX70-C Corrosion· 3 other boards clone it

Category
Distortion· Distortion Boost and Overdrive
Controls
Rust · Top · Bottom · Dissolve
Price
see vendor
Tags
Distortion Boost and Overdrive
Open the schematic at Experimentalists Anonymous

Schematic

The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.

Parts list 106 rows

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Check before you build · 5 values the reader of this schematic was not sure of
  • R1 (second): drawn '10', may be a misdrawn value
  • Q4: drawn J11, probably J111 or J113
  • C26, Ce: drawn with '?' after .05u
  • R26 and C24: no values drawn
  • unlabeled diode beside Dc: type assumed 1N4148
RefValueNormalizedTypeNotes
Resistors 49
R1470470Rust gain leg to Cb. Designator clash: R1 also drawn as the 10 ohm at IC1A pin 3; read from the schematic by eye
R11010IC1A pin 3 to Vbias; clash with the 470 R1; value drawn '10', possibly a dropped digit; read from the schematic by eye
R21M1Mfootswitch pull-up to V+. Designator clash: R2 also drawn as the 2K to C24; read from the schematic by eye
R22K2kTop pot wiper to C24; clash with the 1M R2; read from the schematic by eye
R31K1kread from the schematic by eye
R422K22kread from the schematic by eye
R53.3K3.3kread from the schematic by eye
R6220K220kread from the schematic by eye
R72K2kread from the schematic by eye
R9100K100kread from the schematic by eye
R10100K100kread from the schematic by eye
R11100K100kQ4 output to Vbias. Designator clash: R11 also drawn as the 100K at Q10; read from the schematic by eye
R11100K100kQ10 to Vbias; clash with the other R11; read from the schematic by eye
R1210K10kread from the schematic by eye
R1310K10kread from the schematic by eye
R1510K10kread from the schematic by eye
R162K2kread from the schematic by eye
R17100K100kread from the schematic by eye
R193.3K3.3kread from the schematic by eye
R204.7K4.7kread from the schematic by eye
R2347K47kQ5 base bias. Designator clash: R23 also drawn as the 100K at U4; read from the schematic by eye
R23100K100kU4 pin 13; clash with the 47K R23; read from the schematic by eye
R2410K10kread from the schematic by eye
R25100K100kIC1B pin 5 to Vbias. Designator clash: R25 also drawn as the 1M at U4 pin 12; read from the schematic by eye
R251M1MU4 pin 12 to LED driver; clash with the 100K R25; read from the schematic by eye
R26??LED driver base to ground; no value drawn; read from the schematic by eye
R261K1kQ7 emitter feedback; clash with the other R26; read from the schematic by eye
R2710K10kread from the schematic by eye
R2847K47kread from the schematic by eye
R2910K10kread from the schematic by eye
R29220K220kC15/diode to output bus; designator clash with the 10K R29 (LED); read from the schematic by eye
R30220K220kread from the schematic by eye
R3110K10kread from the schematic by eye
R3210K10kread from the schematic by eye
R3310K10kread from the schematic by eye
R3410K10kread from the schematic by eye
R39100K100kread from the schematic by eye
R4010K10kread from the schematic by eye
R41100K100kread from the schematic by eye
R44100100read from the schematic by eye
R4610K10kQ3 emitter. Designator R46 is printed three times (10K and two 100K); read from the schematic by eye
R46100K100kC29 to Vbias; clash with the other R46s; read from the schematic by eye
R46100K100koutput pulldown after C32; clash with the other R46s; read from the schematic by eye
R4710K10kread from the schematic by eye
R4910K10kread from the schematic by eye
R5010K10kread from the schematic by eye
R52100100read from the schematic by eye
×110K10kdrawn R?; Q8 emitter to ground; read from the schematic by eye
×1330330drawn R?; Q8 emitter to C18; read from the schematic by eye
Capacitors 33
C1120pF120pdrawn 120p; read from the schematic by eye
C2.05uF50nprinted '2C'; drawn .05u; read from the schematic by eye
C31uF1uelectrolytic; read from the schematic by eye
C5100pF100pdrawn 100p; read from the schematic by eye
C6.027uF27ndrawn .027u; read from the schematic by eye
C7.01uF10ndrawn .01u; read from the schematic by eye
C9.033uF33ndrawn .033; read from the schematic by eye
C1050pF50pIC1A feedback, drawn 50p. Designator clash: C10 also drawn as the .05uF at U4 pin 12; read from the schematic by eye
C10.05uF50nU4 pin 12; clash with the 50p C10; read from the schematic by eye
C1210uF10uelectrolytic, drawn 10u; read from the schematic by eye
C13.016uF16ndrawn .016u; read from the schematic by eye
C140.22uF220ndrawn 0.22u; read from the schematic by eye
C150.05uF50ndrawn 0.05u; read from the schematic by eye
C171uF1uelectrolytic; read from the schematic by eye
C180.33uF330nelectrolytic, drawn 0.33u; read from the schematic by eye
C19.016uF16ndrawn .016u; read from the schematic by eye
C20.0015uF1.5ndrawn .0015u; read from the schematic by eye
C2350pF50pdrawn 50p; read from the schematic by eye
C24??Top pot network to ground; no value drawn; read from the schematic by eye
C250.22uF220ndrawn 0.22u; read from the schematic by eye
C26.05uF50ndrawn .05u? (the drawing's own question mark); read from the schematic by eye
C2710uF10uelectrolytic; read from the schematic by eye
C280.22uF220ndrawn 0.22u; read from the schematic by eye
C290.22uF220ndrawn 0.22u; read from the schematic by eye
C3210uF10uelectrolytic; read from the schematic by eye
C33330uF330uelectrolytic, supply; read from the schematic by eye
C34330uF330uelectrolytic, Vbias; read from the schematic by eye
Ca.05uF50ndrawn .05u; read from the schematic by eye
Cb10uF10uelectrolytic, drawn 10u; read from the schematic by eye
Cd50pF50pdrawn 50p; read from the schematic by eye
Ce.05uF50ndrawn .05u? (the drawing's own question mark); read from the schematic by eye
×1.05uF50ndrawn C?; at the D? junction to ground; read from the schematic by eye
×10.015uF15nno designator; IC1B input coupling, drawn 0.015u; read from the schematic by eye
Diodes 5
Dc1N41481N4148clipping diode to ground; read from the schematic by eye
Dd1N41481N4148to IC4 pin 8; read from the schematic by eye
×11N41481N4148drawn D?; Q2 gate; read from the schematic by eye
×11N41481N4148no designator, drawn N4148; Q4 gate; read from the schematic by eye
×11N41481N4148no designator; paired with Dc to ground, type assumed same as Dc; read from the schematic by eye
Transistors 10
Q1J201J201read from the schematic by eye
Q2J113J113read from the schematic by eye
Q32N50882N5088buffer after R32. Designator clash: Q3 also drawn as the LED driver; read from the schematic by eye
Q32N50882N5088LED driver; clash with the other Q3; read from the schematic by eye
Q4J111J111drawn J11 (digit missing), probably J111 or J113; read from the schematic by eye
Q52N50882N5088read from the schematic by eye
Q72N50882N5088read from the schematic by eye
Q82N50882N5088read from the schematic by eye
Q92N50882N5088read from the schematic by eye
Q10J113J113read from the schematic by eye
ICs 4
IC145584558dual op amp (IC1A, IC1B); read from the schematic by eye
IC245584558dual op amp (only IC2A drawn); read from the schematic by eye
IC345584558dual op amp (IC3A, IC3B); read from the schematic by eye
U440074007CD4007 electronic bypass; read from the schematic by eye
Potentiometers 4
Rust100K100kPotentiometerP1; read from the schematic by eye
Top100K100kPotentiometerP2; read from the schematic by eye
Bottom100K100kPotentiometerP3; read from the schematic by eye
Dissolve100K100kPotentiometerP4; read from the schematic by eye
LEDs 1
D6LEDLEDread from the schematic by eye

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