Thonk MA VCA Bedienungsanleitung
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September 8th 2014 www.thonk.co.uk 1
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
MA VCA OVERVIEW
For the most recent version of
this document please visit
http://thonk.co.uk/documents/MA/
For all technical support please
visit http://bit.ly/1tl78E0 on
Muffwiggler.
All Thonk kits are sold under our standard Terms and Conditions -
http://www.thonk.co.uk/faq/
DIY INSTRUCTIONS
This document gives detailed instructions that assume you have purchased a
complete kit from www.thonk.co.uk. It also assumes no previous knowledge
of electronics. To learn to solder try http://youtu.be/I_NU2ruzyc4 and the
Adafruit guide to excellent soldering – http://bit.ly/1l77tF4
Watch and understand that whole YouTube video! If you’re not achieving the
results shown in the video then you need to buy new tools or seek advice.
You will not end up with a working module otherwise.
TOOLS REQUIRED
Soldering iron, tweezers for SMD parts, snipe nose pliers, wire strippers,
small flat head screwdriver and diagonal cutters AKA snips AKA side-
cutters. A Digital Multimeter is always helpful for checking for bad solder
joints and continuity. Thonk sell a range of inexpensive tools here -
http://bit.ly/1jxqF3n
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September 8th 2014 www.thonk.co.uk 2
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
SOLDER JOINTS
Your solder joints should look like those shown as ‘OK’ below, they should
have that neat conical shape on BOTH sides of the PCB. If they don’t look
the same on both sides then stop! Work out why from the soldering guides
linked and don’t continue until you are getting those results.
This isn’t about perfectionism, you are very likely to end up with a destroyed,
damaged or defective unit if you’re not hitting that standard.
This photo is from the Adafruit guide to excellent soldering - bit.ly/1l77tF4
and is reproduced under an Attribution-Sharealike creative commons license
- http://creativecommons.org/licenses/by-sa/3.0/
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September 8th 2014 www.thonk.co.uk 3
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
VCA BUILD INSTRUCTIONS
1.
Start by emptying the whole of the VCA
bag into a bowl or container. This makes
it much easier to pick parts as you need
them and you’re a lot less likely to lose
anything.
2.
First you will solder the three 0.1uF SMT
capacitors.
When you remove the SMT parts from the
white plastic packaging I highly advise
doing so inside a bowl or smooth box with
some soft white tissue paper inside.
Carefully peel back the transparent plastic
with the parts angled down so they fall
into the receptacle. The tissue paper will
stop them bouncing and sliding. If the
receptacle is big enough to fit the PCB in
while you solder even better, then when
you move the part to the PCB for
soldering you remove the chance of losing
them.
Soldering the type of SMT parts included
with this kit is not hard if you have
tweezers. You have no tricky multi pin
SMT IC’s or anything of that nature to
deal with in this kit.
Good technique is important though. This
video is a great introduction to the
standard way of soldering SMT resistors
and caps by hand:
http://youtu.be/PU7wLcuqc-I
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September 8th 2014 www.thonk.co.uk 4
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
3.
Using the same technique as previously,
solder the ‘1K tcr’ SMT tempco resistor
into place. The green face marked ‘33’
should face upwards if possible but it isn’t
vital. Like any resistor it can be soldered
in either orientation.
4.
Next solder the two 100R resistors into
place as shown.
NOTE! In some of the kits the 100R
resistors are provided as two separate
bags with 1 piece in each.
NOTE! You should have nice shiny solder
cones on BOTH sides of the board. If you
have not then re-evaluate your soldering
technique and equipment and revisit the
YouTube video linked on page 1 and the
‘good joints’ image on page 2.
5.
Next solder the single 330R resistor into
place as shown.
NOTE! Keep a couple of resistor legs
spare as you will need one later!
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September 8th 2014 www.thonk.co.uk 5
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
6.
Next solder the four 1K resistors into
place as shown.
7.
Next solder the single 4.12K resistor into
place as shown.
8.
Next solder the single 10K resistor into
place as shown.
9.
Next solder the two 20K resistors into
place as shown.
10.
Next solder the seven 100K resistors into
place as shown.
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September 8th 2014 www.thonk.co.uk 6
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
11.
Next open the bag containing the 5
diodes, select the orange 5.1V Zener
Diode and solder it into place as shown.
NOTE! Orientation is vital. The Black ring
on the diode should be closest to the 5V1
text.
NOTE! Diodes can be damaged with a
long exposure to the heat of the iron.
Solder neatly and quickly, you should
achieve the nice shiny solder cones
mentioned previously on both sides of the
board without needing to apply heat for
longer than 3 seconds per joint.
BLACK RING TEXT
12.
Next take the two black and silver diodes
marked 1N4001 and solder into the
positions shown.
Do not mistake the two dark grey ferrite
beads for the 1N4001. You are soldering
the parts with writing on in this step.
NOTE! Orientation is vital. The silver ring
on the diode should match the boxed end
on the silkscreen.
NOTE! Diodes can be damaged with a
long exposure to the heat of the iron.
SILVER RING BOXED END
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September 8th 2014 www.thonk.co.uk 7
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
13.
Next solder the two Ferrite Beads into
position as shown.
14.
Next solder the single blue 22pF capacitor
into place as shown.
15.
Next solder the three 100n caps into place
as shown.
16.
Next solder the 14 pin and 8 pin IC DIL
sockets into place as shown. Make sure
the notches in the sockets match the
silkscreen, on this board they face each
other.
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September 8th 2014 www.thonk.co.uk 8
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
17.
Next you’re going to cut the 16 pin DIL
socket in the positions shown to create a
single line 8 pin socket as shown.
18.
Next solder your newly created 8 pin
single line socket into place. The other
half of the socket can be kept for future
projects.
19.
Solder the single 1n5 capacitor into place
as shown.
20.
Solder the two orange fuses into position
as shown.
CUT HERE
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September 8th 2014 www.thonk.co.uk 9
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
21.
Solder the two blue trimmers into position
as shown.
22.
Solder the single 4.7uF ‘SILMIC II’
electrolytic capacitor into position as
shown.
NOTE! DO NOT MISTAKENLY SOLDER ONE
OF THE TWO 47uF NICHICON ELECTRO
CAPS HERE!
NOTE! Orientation is vital. The longer lead
on the part should be positioned in the
square pad marked with the plus/positive
symbol.
+!
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September 8th 2014 www.thonk.co.uk 10
Manhattan Analog
VCA Module
Eurorack DIY Kit
Instructions
Version 1.0
23.
Solder the two 47uF Nichicon electrolytic
capacitors into position as shown.
NOTE! Orientation is vital. The longer lead
on the part should be positioned in the
square pad marked with the plus/positive
symbol.
24.
Solder the larger remaining electrolytic
capacitor into position as shown.
NOTE! Orientation is vital. The longer lead
on the part should be positioned in the
square pad marked with the plus/positive
symbol.
25.
Solder the ten pin Eurorack power header
into position as shown.
+!
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