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Dual Mini Synthesizer Build Instructions
Make sure you have everything before you start soldering!
1
Install Diode
What You’ll Need:
To make assembly easier, we’re going to install components from shortest to
tallest. This way when you flip the board over to solder them, your work
surface will hold them in place. Let’s start with the diode.
To prep the leads, hold the body of the diode and bend the two leads 90
degrees.
Insert the diode into the holes marked D9 on the main PCB.
Polarity does
matter for diodes
, so when you insert it into the board, make sure the black
stripe on the diode lines up with the stripe on the silkscreen pattern.
Bend the leads outward underneath the board to hold the diode in place.
Flip the board over, solder the diode leads, then trim them just above the
solder joint.
For a quick soldering tutorial, visit
division-6.com/solder
·Dual Mini Synthesizer Kit
· Soldering Iron
· Solder
· Wire Cutters
· Small Phillips Screwdriver
· 9mm Nut Driver
2
Install Resistors
Working one value at a time, prep the leads of the resistors like you did with
the diode.
Insert the resistors into their proper locations (see BOM). Polarity doesn’t
matter for resistors, but your board will look neater if you line up all the
tolerance bands (gold) the same direction. Bend the leads outward
underneath the board to hold the resistors in place.
Flip the board over, solder the resistor leads, then trim them just above the
solder joint.
3
Install Ceramic Capacitors
Install and solder C3-C6. Polarity doesn’t matter for these capacitors.
4
Install IC Sockets
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Polarity doesn’t matter
Polarity DOES matter
Continued...
Insert the IC sockets into the board. Note that one end of each socket has a
notch in it to indicate which end of the IC has pin 1. Make sure to align these
notches with the notches indicated on the silk screen pattern.
Flip the board over and solder one pin on each corner of both sockets. This
makes it easy to reposition the sockets in case they aren’t seated all the way
down against the board; just reheat the corner pins and adjust the socket
positions as necessary.
Once you are happy with the positioning of the sockets, solder the remaining
pins. The pins are short enough that they don’t need to be trimmed.