Download Print this page

Befaco even VCO Assembly Manual

Advertisement

Quick Links

Main PCB:
(the smaller one)
Open "Main Board Bag A"
* Bold values are hard to read.
Qty.
Value
1
270Ω
2
390Ω
1
715Ω
3
1K
2
1.5k
1
2.2k
9
10k
1
20k
4
22k
2
43k
1
47k
1
82k
10
100k
2
150k
1
200k
2
220k
1
330k
1
430k
1
2M
If any resistor is bigger than it should for the assigned space put it in vertical, like in this photo:
Solder the diodes respecting the polarity. Black line on the diode must be in the same
place as white line on the diode PCB silkscreen.
Qty.
Value
6
1N4148
2
1N5817
even VCO: Assembly manual (V0.32).
Code
Red, purple, black, black, brown
Orange, White, Black, Black, Brown
Purple, Brown, Green, Black, Brown
Brown, Black, Black, Brown, Brown
Brown, Green, Black, Brown, Brown
Red, red, black, brown, brown
Brown, Black, Black, Red, Brown
Red, black, black, red, brown
Red, Red, black, red, brown
Yellow, Orange, Black, Red, Brown
Yellow, Purple, Black, Red, Brown
Grey, red, black, red, brown
Brown, Black, Black, Orange, Brown
Brown, Green, Black, Orange, Brown
Red, Black, Black, orange, brown
Red, red, black, orange, brown
Orange, Orange, black, orange, brown
Yellow, orange, black, orange, brown
Red, Black, Black, Yellow, Brown
Code
1n4148
1N5817
Name on PCB
R7
R3, R34
R4
R5, R41, R43
R9, R10(close to T2)
R14
R1, R6, R11(close to D5), R31, R33,
R35, R37, R38, R40
R28
R12, R15, R24, R44
R29, R32
R21
R39
R16, R17, R18, R20, R22, R25,
R27(close to IC6), R30, R36, R45
R2, R8
R46
R23, R42
R13
R26
R19
Name on PCB
D1, D2, D3, D4, D5, D8
D6, D7
1

Advertisement

loading
Need help?

Need help?

Do you have a question about the even VCO and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Befaco even VCO

  • Page 1 VCO: Assembly manual (V0.32). Main PCB: (the smaller one) Open “Main Board Bag A” * Bold values are hard to read. Qty. Value Code Name on PCB 270Ω Red, purple, black, black, brown 390Ω Orange, White, Black, Black, Brown R3, R34 715Ω...
  • Page 2 Solder the two ferrite beads passing trough a recycled resistor leg and proceed as if it were a resistor. Ferrite beads don't have polarity. Name on PCB FERRITE+, FERRITE- Open “Main Board Bag B” Place the sockets taking care of the orientation and solder them on IC2, IC3, IC4, IC5, IC6 and IC7.
  • Page 3: Control Pcb

    Solder the Trimmers, the screw need face out to adjust properly. Qty. Value Code Name on PCB R10k REF_ADJ, WIDTH V/OCT_LIN Solder the power connector ensuring the position is correct: it must must be on the silkscreen side with the pins facing out CONTROL PCB: (The bigger one) This board will mount components in both sides, mind the silkscreen.
  • Page 4 Open “Control Board Bag B” Cut the little ledge on the pots and the switch with cutting pliers as pictured: but don't solder Place potentiometers ... them. Type Name on PCB Single (3pin) FINE_TUNE, PW Put and solder the rotary switch OCTAVE_SELECTOR on the top side of the PCB, like the potentiometers this one has a ledge you should cut.
  • Page 5: Adjustment Procedure

    Adjustment procedure:...