Music Thing Modular TURING MACHINE Mk ii Instructions Manual Download Page 7 | Manualshive

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April 20th 2016

www.thonk.co.uk

7

TURING MACHINE Mk ii

(APRIL 2016 ONWARDS)

Eurorack DIY Kit

Instructions

Version 1.01

14.

Next identify the two

78L09

voltage

regulators. Make sure you check the
codes correctly! Do not mistake
them for the single

TL431

or single

2N3904

included which look very

similar. With a magnifying glass you
will see

78L09

printed on the flat

face.

Solder into the positions shown.

NOTE!

Ensure the flat faces on the

components match the flat faces on
the PCB silkscreen. You need to
bend the middle lead of the
component backwards to achieve
this to go through the centre hole.
Orientation is vital.

15.

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 ‘-‘ on the PCB. Note the
component has a grey stripe on the
cylindrical body on the minus side.

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Summary of Contents for TURING MACHINE Mk ii

Page 1: ...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 www thonk co uk after April 2016 it also assumes no previous knowledge of electronics To learn to solder try https www youtube com watch v IpkkfK937mU and the Adafruit guide to excellent soldering http bit ly 1l77tF4 Wat...

Page 2: ...k 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 http bit ly 1l77tF4 and is reproduced under an Attribution Shar...

Page 3: ...h we will call the IC PCB 3 First find the 10K resistors As you can see there are six resistors listed for the IC PCB R1 R8 R14 R15 R16 R24 4 Solder the six 10K resistors into positions R1 R8 R14 R15 R16 R24 as shown You should have four 10K resistors left over for the other PCB Note Make sure your solder joints look like the joints shown on page 2 with solder coming through on BOTH sides of the P...

Page 4: ...tructions Version 1 01 5 Solder the single 47K resistor into position R6 as shown 6 Solder the single 100K resistor into position R4 as shown 7 Solder the two 1N4001 diodes into the positions as shown NOTE Orientation of this part is vital the module will not work if they are the wrong way round ...

Page 5: ...1 8 Solder the two Ferrite Beads into place as shown 9 Next solder the eight IC sockets into place Make sure the notches in the sockets match the notches on the silkscreen 3 x 14 pin 4 x 16 pin 1 x 8 pin 10 Next find the Capacitor bag and identify the six 1n capacitors they are on a card strip orange and labeled 102 ...

Page 6: ...k off four of the 1n caps and save two for later Solder those four 1n caps into positions C1 C2 C3 C4 12 Next identify the twelve 100n capacitors they are on a card strip orange and labeled 104 13 Break off seven of the 100n caps and save five for later Solder those seven 100n caps into positions C19 C20 C21 C22 C23 C24 C25 ...

Page 7: ...ed on the flat face Solder into the positions shown NOTE Ensure the flat faces on the components match the flat faces on the PCB silkscreen You need to bend the middle lead of the component backwards to achieve this to go through the centre hole Orientation is vital 15 Next solder the two Electrolytic 10uF capacitors into positions C5 and C6 NOTE The orientation is vital the shorter lead on the co...

Page 8: ...e are two six pin sockets and one ten pin sockets Make sure the are soldered flat against the PCB 6 pin 10 pin 6 pin 17 Now flip the board over and solder the two 16 pin male headers and one ten pin header 10 pin 16 pin 16 pin 18 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 Fuse Fuse ...

Page 9: ...lasping the 4 pins in a pair of pliers not the cutting edge near the pivot joint though and very gently bending inwards together Repeat for the other side NOTE BOARD IS FLIPPED 180 DEG IN THIS IMAGE CD4050 CD4081 TL072 CD4015 CD4015 CD4016 20 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 o...

Page 10: ...all the Jack PCB 22 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 NOTE Orientation of this component is vital 23 Solder the three 1K resistors into positions R18 R19 and R32 as shown 24 Solder the two 1 6K resistors into positions R27 and R28 as shown ...

Page 11: ... R14 R15 R16 R17 R21 as shown 26 Solder the single 3 3K resistor into positions R20 as shown 27 Solder the single 5 1K resistor into positions R26 as shown 28 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 15k 15k 10K 10K 29 Solder the single 68K resistor into positions R3 as shown ...

Page 12: ...lder the four remaining 100K resistors into positions R10 R11 R22 and R29 as shown 32 Solder the two 470K resistors into positions R7 and R31 as shown 33 Solder the two remaining IC Sockets into the positions shown Make sure the notches in the sockets match the notches on the silkscreen 34 Find the two remaining 1n capacitors marked 102 and solder into positions C12 and C17 as shown ...

Page 13: ...e one 100n cap spare 10n 100n 100n 100n 36 Solder the single blue trimmer into position as shown Make sure it is flush to the surface on the PCB 37 Next identify the single 2N3904 transistor Make sure you check the codes correctly Do not mistake it for the TL431 Solder into the position shown NOTE Ensure the flat face on the component matches the flat face on the PCB silkscreen You need to bend th...

Page 14: ... component matches the flat face on the PCB silkscreen You need to bend the middle lead of the component backwards to achieve this to go through the centre hole Orientation is vital 39 Solder the three 0 47uF film box caps into positions C10 C11 and C18 as shown 40 Solder the single 330pF cap into position C15 as shown 41 FLIP THE PCB OVER and solder the three male double row pin headers into posi...

Page 15: ...1 B50K Pot x1 THONKICONN CHANGE SCALE JACK SOCKETS x5 RED LED s x10 43 Position all the parts in section 42 as shown on the PCB but DO NOT SOLDER YET NOTE The longer lead of the LED MUST go to the pad marked with a on the PCB silkscreen DO NOT SOLDER YET Remove all washers and nuts from the red switch Only use one nut and discard the rest If your pots have the small anti rotation tag on then break...

Page 16: ...ion the panel onto the PCB making sure that the jacks pots and switches are all aligned correctly and the panel is sitting completely parallel to the PCB and flush to the tops of the components Secure into place by hand tightening the Pot and switch nuts and a couple of jack nuts 46 Before you solder you re going to push all ten LEDs into the holes into the panel so the flat heads are sticking to ...

Page 17: ...older joints Green Pot 5 solder joints Blue Pot 5 solder joints LEDs 10 solder joints in total Jacks 15 solder joints in total 48 Next you will remove the metal panel and fit the two remaining IC s required on this PCB as shown NOTE Orientation is vital NOTE You will need to bend the pins on the IC inwards slightly so they are at 90 degrees to the body of the chip They will come slightly splayed o...

Page 18: ...2016 ONWARDS Eurorack DIY Kit Instructions Version 1 01 49 Next mate the two boards together as shown Secure with two of the remaining M3 screws 50 Now finally put the metal panel onto the top PCB and secure all the remaining nuts and washers Put the two knobs on ...

Page 19: ... end of the power connector indicated on the PCB with RED 52 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 Chat about the build here https www muffwiggler com forum viewtopic php t 159116 ...

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