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. Check the
separate daughterboard document for details.
Be very careful when soldering the diodes and
transistors. 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.
Positive (anode) legs of the electrolytic caps go to
the square pads. C5 can be bent back over the
adjacent resistors to save on height - see the
cover image.
Negative (cathode) legs of the diodes go to the
square pads.
You should solder all other board-mounted
components before you solder the pots. Once
they’re in place you’ll have no access to much of
the board. Make sure your pots all line up nicely.
The best way to do that is to solder a single pin of
each pot in place then melt and adjust if
necessary before soldering in the other two pins.
If your pots don’t have protective plastic jackets
ensure you leave a decent gap between the pot
body and the PCB otherwise you risk shorting out
the circuit.
Same goes for the toggle switch. Use your
enclosure as a guide for positioning them to
ensure they line up properly. Solder one lug, then
melt it and adjust to get it straight before
soldering any others.
Trimmer T1 is used to bias Q6-7. There’s no ‘right’
setting, just do it by ear until it sounds sweet
TRANSISTOR ORIENTATION
Standard EBC transistors
such as 2N5088 orientate
like this:
SMALL HACK-ETTE
You need to jumper two of the trimmer pads
together. The original schematic shows T1 as a
voltage divider which is unlikely to work except for
a very small selection of Q6-7 pairings.
Jumpering pins 1+2 changes the configuration so
thta C2 is coming straight from the emitter of Q7
which makes much more sense. Jumper shown
in red above and below.
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C2240 are ECB, so should be
placed like this:
