FuzzDog Flender Manuale utente
Flender
Crazy, intense fuzz with blend
control to keep things sane
PedalParts.co.uk
Schematic
BOM
R1 15K
R2 150K
R3 560K
R4 47K
R5 1K5
R6 120K
R7 10K
R8 680R
R9 220K
R10 150K
R11 8K2
R12 8K2
R13 27K
R14 27K
R15 100K
R16 10K
R17 820R
R18 27K
R19 3K9
R20 10K
R21 100K
R22 18K
R23 150K
R24 47K
R25 820R
R26 10K
R27 3K9
R28 2K2 (CLR)
R29 2K2 (CLR)
C1 100n
C2 47n
C3 100n
C4 10u elec
C5 10u elec
C6 10u elec
C7 10u elec
C8 10u elec
C9 10u elec
C10 100n
C11 3n3
C12 10u elec
C13 1n
C14 10u elec
C15 10u elec
C16 100u elec
C17 100n
1-5 2N5088*
D1 1N4001
D2-5 1N34A
BLEND 100KB
SUSTAIN 10KA
TONE 20KB
LEVEL 50KA
SW1-2 3PDT FOOTSW.
Main schematic shows all the switch
connections and the pads to build the
two different tone boost configurations,
which are shown above. More later...
*Other transistors can be used.
TONE BOOST CONFIGURATIONS
ORIGINAL REISSUE
FOOTSWITCHES
ake sure you orientate them with the
tags horizontally as shown. Its a good
idea to put the them
in place in the
enclosure and
loosely tighten
them, then place the
PCB on top to get
the position right
before soldering.
Snap the little metal tag off the pots to mount them flush in the box.
You UST use some kind of heat sink on the legs of the diodes and the transistors when
soldering. They aren’t keen on heat. Any more than 3-4 seconds of iron and they’re toast.
ALL the components mount on the top side of the board.
It’s a good idea to run the pot wires from the back of the PCB
(opposite side to the components) in order to ensure plenty of
clearance for the jack sockets when assembling. ake sure you give
yourself plenty of length on the wires so assembly isn’t tight.
The pads marked in RED above are to select your Tone Boost
configuration. You could add header pins and use jumpers to select
between them, but its easy enough to just use jumper wires.
Honestly, the Reissue configuration sucks - there’s a big volume drop.
Just go with the original.
ORIGINAL REISSUE
1 2 3
LEDs
Leave these out until you’re
boxing it all up - see later.
WIRING FOR TESTING
Connect everything up but the LEDs. That includes the footswitches.
Ensure your power supply is 9V Tip Negative, or connect up a battery for
now. If connecting a battery, solder long lengths of wire to the +V and GND
pads on the PCB, then attach the battery to the other end of these. This
saves desolding stuff from the board, which is a pain.
JACK SOCKETS DC SOCKET
GND
+V
GND
SIGNAL
Ignore the third tag
- you only need that
if wiring up for
battery.
SIGNAL is JACK IN and
JACK OUT on the PCB.
Each socket has its own
GND connection
conveniently placed.
Plug in. Go!
If it works, crack on and get it in the box. If not, troubleshoot. Check you
have everything in the right place and reflow any poor joints.
BOXING UP
There’s plenty of space in there, but you may need to turn the jack sockets
one way or the other to ensure you clear the PCB.
Turn your pots as shown to clear the jack sockets.
What about my LEDs?
Pre-drilled enclosures are supplied with 3mm holes for the LEDs, rather than
larger ones that require a mounting bezel. Why? Because you can hold the LED
securely in place with the PCB. When you come to box up your lovely new circuit,
get the pots in place first. Then the jacks. Now, slide your LEDs all the way into
the PCB (short leg to square pad) and bend the legs ever so slightly so they don’t
fall out. Alternatively put a little bluetac on there. Now locate your footswitches
into place and tighten.
When everything is secure, let your LEDs slide down into the holes - use some
needle-nosed pliers or skinny fingers to position them fully in the holes. I won’t
kid you, its a little fiddly but worth it for the neat finish you’ll get.
No bezel = happy pedal.
Once in place, solder. Those little lights aren’t going anywhere!
Hang on - there’s an extra pad next to the Tone Boost LED. Yes - you can use a
common-cathode tri-colour LED if you like, to show a different colour depending
on selection, rather than the standard on-off with a normal LED.
Please check positioning before drilling - those holes are your responsibility
and these templates are just a guide. Pots are spaced 27mm.
Recommended drill sizes:
Footswitch, DC 12mm or 13mm with wiggle room
Jack sockets 9.5-10mm
Pots 7mm
PedalParts.co.uk
Drilling template - 1590B
Indice
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