Velleman EXTRADRIVE User manual

WWW.VELLEMANPROJECTS.EU
ASSEMBLY MANUAL JULY 2016
ORDERCODE: K8111
EXTRADRIVE - (A)SYMMETRIC OVERDRIVE EFFECT PEDAL

Table of contents
Let’s get started!
What’s in the box 3
Assembly instructions 4

3K8111ASSEMBLY MANUAL
WHAT’S IN THE BOX

4K8111ASSEMBLY MANUAL
ASSEMBLY INSTRUCTIONS
1. Place the 2 supplied cover stickers as shown in the images below. Note the orientation of the
bottom cover!

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2. All components are placed in the correct order of usage on the supplied tape.
Resistors: R1 to R19
R1R19
Tape order:
R1:330K
R2:470K
R3:330K
R4:470K
R5:390E
R6:10K
R7:470K
R8:330K
R9:470K
R10:1M
R11:10K
R12:4K7
R13:330K
R14:10K
R15:470E
R16:470E
R17:33K
R18:100K
R19:1M
C3:104
c4:104
ZD1:3V3
D2:1N4148
D3:1N4148
D5:1N4148
D6:1N4148
D4:1N4007

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3. 100 µF axial capacitors: C3, C4
4. 2 x IC: U1 and U2
Note the orientation of the IC’s!

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5. Zenerdiode: ZD1
Note the orientation of the zenerdiode!
ZD...

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6. Diodes: D2, D3, D5 and D6
Note the orientation of the diode!
ZD...

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7. Male connectors: SW1; SW2, RV1; RV2, RV3 and SK3
8. Diode 1N4007: D4
Note the orientation of the diode!
ZD...

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9. BC547: T1
BC557: T2
10. Capacitor 471: C1

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11. Capacitor 473: C6 and C11
12. Capacitor 103: C9

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13. Capacitor 223: C10
14. Capacitor 47: C12

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15. DC jack: J1 SVDC IN
16. Capacitor 10 µF: C13
Note the polarity!

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17. 2 x Audio jack: SK1 and SK2
18. 5 mm blue LED: LD1 (do a diode test with a multimeter to nd the blue LED)
Make sure it stands out about 12 mm from the PCB, as shown in the picture!
Note the polarity!
C (-)

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19. Capacitor 220 µF: C2
Note the polarity!
SOLDER ON BOTTOM SIDE OF PCB!
20. Capacitor 10 µF: C7, C8 and C12
Note the polarity!
SOLDER ON BOTTOM SIDE OF PCB!

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21. Trim the leads on the 9 V snapt to 5 cm.
22. Strip and tin both wires

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23. Place and solder the 9 V snap to the PCB as shown in the images below.
Note the polarity! RED = +, BLACK = -

19K8111ASSEMBLY MANUAL

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24. Slide 4,5 cm of the biggest shrinktube over the connector. When no battery is used in the
pedal this cover should always be used.