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Thonk TURING MACHINE Mk II Instructions Manual

Eurorack diy kit
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TURING MACHINE Mk ii
(APRIL 2016 ONWARDS)
Music Thing Modular Turing
Machine Mkii version
PLEASE DO NOT LINK TO OR REDISTRIBUTE THIS
DOCUMENT WITHOUT PERMISSION FROM THONK
For the most recent version of this
document please visit –
https://www.thonk.co.uk/shop/turingmkii/
Refer also to the Music Thing
documentation here -
https://github.com/TomWhitwell/TuringMachine/
For all technical support please create a
Github account and log an issue here -
https://github.com/TomWhitwell/TuringMachine/issues
Chat about the build here –
https://www.muffwiggler.com/forum/viewtopic.php?t=159116
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 Turing Machine kit from
assumes no previous knowledge of electronics.
To learn to solder try
the Adafruit guide to excellent soldering –
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 unit otherwise.
TOOLS REQUIRED
Soldering iron, 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 -
May 14th 2024
Eurorack DIY Kit
Instructions
www.thonk.co.uk
https://www.youtube.com/watch?v=IpkkfK937mU
http://bit.ly/1jxqF3n
www.thonk.co.uk
after April 2016, it also
http://bit.ly/1l77tF4
Version 1.3
and
1

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Summary of Contents for Thonk TURING MACHINE Mk II

  • Page 1 Soldering iron, 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...

  • Page 2: Solder Joints

    TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions 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.
  • Page 3 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions TURING MACHINE BUILD INSTRUCTIONS To start with we advise emptying the This document has hi-res images. Resistor bag and Capacitors + ZOOM IN for a closer look...
  • Page 4 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Solder the single 47K resistor into position R6 as shown Solder the single 100K resistor into position R4 as shown Locate the two 1N4001 diodes in the bag labelled ‘Capacitors + Diodes’...
  • Page 5 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Solder the two Ferrite Beads into place as shown. 3 x 14 pin 4 x 16 pin From the mech bag next find the eight IC sockets and solder into place. Make sure the notches in the sockets match the notches on the silkscreen.
  • Page 6 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Next identify the twelve 100nF capacitors and solder seven of them into positions C19, C20, C21, C22, C23, C24 & C25 These capacitors are marked ‘104’ From the separate IC bag, identify the two 78L09 voltage regulators.
  • Page 7 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Next solder the two Electrolytic 10uF capacitors into positions C5 and C6. NOTE! The orientation is vital, the shorter lead on the component should go to the circular pad marked with a minus ‘-‘...
  • Page 8 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Identify the two fuses and solder into place as shown. The orientation doesn’t matter, but the larger fuse MUST go into the ‘+ Fuse’ position. Small Large...
  • Page 9 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Take the two hex posts and screw into the top of the board like shown with two of the screws provided. You are now finished with the back board and are just over half-way through the build.
  • Page 10 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Let’s move onto the other PCB, which we call the ‘Jack PCB’ Identify the single 1N4148 diode and solder into the position show. Note the black line on the body of the Diode should match the white line on the silkscreen.
  • Page 11 2.2K as well as the numbered designators, however whichever of the two values your kit is provided with will be correct. From Mid-May 2024 all new Thonk kits now have 3.9K included. Solder these resistors into positions R1, R4, R6, R8, R13, R14, R15, R16, R17 &...
  • Page 12 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Solder the two 15K resistors into positions R2 and R9 as shown. Solder the four remaining 10K resistors into positions R12, R23, R30 and R35 as shown.
  • Page 13 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Solder the two remaining IC Sockets into the positions shown. Make sure the notches in the sockets match the notches on the silkscreen. Find the two remaining 1n capacitors (marked ‘102’) and solder...
  • Page 14 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Next identify the single 2N3904 transistor. Make sure you check the codes correctly! Do not mistake it for the TL431 NOTE! Ensure the flat face on the component matches the flat face on the PCB silkscreen.
  • Page 15 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Solder the single 330pF cap into position C15 as shown. 6 pin FLIP THE PCB OVER and solder the three male double row pin headers into position as shown.
  • Page 16 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions DO NOT SOLDER YET Position all the parts in section 42. DO NOT as shown on the PCB but SOLDER YET! NOTE! The longer lead of the LED...
  • Page 17 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Before you solder you’re going to push all ten LEDs into the holes into the panel, so the flat heads are sticking to the masking tape and held nicely flush with the surface of the panel.
  • Page 18 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Next you will remove the metal panel and fit the two remaining IC’s onto this PCB as shown. NOTE – Orientation is vital! NOTE! You will need to bend the...
  • Page 19 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions Now finally put the metal panel onto the top PCB and secure all the remaining nuts and washers. Put the two knobs on. Attach the power cable like so with...
  • Page 20 TURING MACHINE Mk ii Eurorack DIY Kit Version 1.3 (APRIL 2016 ONWARDS) Instructions You are now ready to power up and calibrate. Complete your setup by following this video - https://vimeo.com/163160088 For all technical support please create a Github account and log an issue here - https://github.com/TomWhitwell/TuringMachine/issues...