PedalPCB Covert Overdrive Quick start guide

Covert Overdrive

Revised 3/9/21

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• Treble

• Mid

• Bass

• Volume

• Preamp

• Mode (Toggle switch)

• Presence (Internal trim pot)

CONTROLS AND FEATURES

Covert Overdrive

Parts List (Page 1 of 2)

LOCATION VALUE TYPE NOTES

R1 470K Resistor, 1/4W

R2 33K Resistor, 1/4W

R3 820R Resistor, 1/4W

R4 1K Resistor, 1/4W

R5 1M Resistor, 1/4W

R6 1M Resistor, 1/4W

R7 47K Resistor, 1/4W

R8 470K Resistor, 1/4W

R9 470K Resistor, 1/4W

R10 560R Resistor, 1/4W

R11 1K Resistor, 1/4W

R12 1M Resistor, 1/4W

R13 1M Resistor, 1/4W

R14 100K Resistor, 1/4W

R15 33K Resistor, 1/4W

R16 1K Resistor, 1/4W

R17 4K7 Resistor, 1/4W

R18 2M2 Resistor, 1/4W

R19 2M2 Resistor, 1/4W

R20 1M Resistor, 1/4W

R21 56K Resistor, 1/4W

R100 4K7 Resistor, 1/4W

C1 220n Film capacitor, 7.2 x 5.0mm

C2 1n Film capacitor, 7.2 x 2.5mm

C3 680n Film capacitor, 7.2 x 5.0mm

C4 2u2 Electrolytic capacitor, 5mm

C5 220p Ceramic capacitor

C6 22n Film capacitor, 7.2 x 2.5mm

C7 47p Ceramic capacitor

C8 470p Ceramic capacitor

C9 470p Ceramic capacitor

C10 680n Film capacitor, 7.2 x 5.0mm

C11 2u2 Electrolytic capacitor, 5mm

C12 470p Ceramic capacitor

C13 470p Ceramic capacitor

C14 22n Film capacitor, 7.2 x 2.5mm

C15 22n Film capacitor, 7.2 x 2.5mm

C16 22n Film capacitor, 7.2 x 2.5mm

C17 220n Film capacitor, 7.2 x 5.0mm

C18 100n Film capacitor, 7.2 x 2.5mm

C19 2n2 Film capacitor, 7.2 x 2.5mm

C20 22u Electrolytic capacitor, 5mm

C21 270p Ceramic capacitor

C100 22u Electrolytic capacitor, 5mm

- Continued on next page -

Covert Overdrive

Parts List (Page 2 of 2)

LOCATION VALUE TYPE NOTES

D100 1N5817 Schottky diode, DO-41

Q1 MPF4393 JFET transistor, N-channel *Alternate SMD - MMBF4393

Q2 MPF4393 JFET transistor, N-channel *Alternate SMD - MMBF4393

Q3 MPF4393 JFET transistor, N-channel *Alternate SMD - MMBF4393

Q4 MPF4393 JFET transistor, N-channel *Alternate SMD - MMBF4393

Q5 MPF4393 JFET transistor, N-channel *Alternate SMD - MMBF4393

TREB B250K 16mm right-angle PCB mount pot

MID B25K 16mm right-angle PCB mount pot

BASS A1M 16mm right-angle PCB mount pot

VOL B250K 16mm right-angle PCB mount pot

PREAMP A1M 16mm right-angle PCB mount pot

PRES 10K Trim potentiometer, 10K 3362P-style

SW1 4PDT Toggle switch, 4PDT 4PDT (ON/ON)

Covert Overdrive

Schematic Diagram

Covert Overdrive

Wiring Diagram

Covert Overdrive

Drill Template

125B Enclosure

Mode

Mid

Treble Bass

Volume Preamp

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