The power and signal pads on the PCB
conform to the FuzzDog Direct
Connection format, so can be paired
with the appropriate daughterboard for
quick and easy offboard wiring.
Be very careful when soldering the
transistors and diodes. They’re very
sensitive to heat. You should use some
kind of heat sink (crocodile clip or
reverse action tweezers) on each leg as
you solder them. Keep exposure to heat
to a minimum (under 2 seconds).
Snap the small metal tag off the pots
so they can be mounted flush in the
box.
The cathode (striped end) of the diodes
go into the square pads. The anode
(long leg) of electrolytic capacitors go into the square pads. C14 can be placed flat across the
top of the adjacent resistors as shown in the cover image to ensure plenty of clearance in the
enclosure.
Pots mounts on the back side of the board. You can use vertical-mount pots or just wire up
‘normal’ ones.
You should solder all components (other than C19) before you solder the pots. Once they’re
in place you’ll have no access to much of the underside of the board.
It’s useful to place the pots in the holes in the enclosure when soldering to make sure you
get them all the right height and position. Solder one leg of each pot first, then check them
for position. Melt and adjust if necessary. Get them all even before soldering the other two
pins of each.
If your pots have plastic covers you’ll have to take them off as the pot spacing is too tight for
them. Be careful to keep the bases away from the
PCB pads. Slip some thick card between the pots
and the PCB while you solder them in to space
them nicely.
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