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BYOC Leeds Fuzz Kit Instructions
Warranty:
BYOC, LLC guarantees that your kit will be complete and that all parts and
components will arrive as described, functioning and free of defect. Soldering,
clipping, cutting, stripping, or using any of the components in any way voids this
guarantee. BYOC, LLC guarantees that the instructions for your kit will be free of
any majors errors that would cause you to permanently damage any components
in your kit, but does not guarantee that the instructions will be free of typos or
minor errors. BYOC, LLC does not warranty the completed pedal as a whole
functioning unit nor do we warranty any of the individual parts once they have
been used. If you have a component that is used, but feel it was defective prior to
you using it, we reserve the right to determine whether or not the component was
faulty upon arrival. Please direct all warranty issues to:
sales@buildyourownclone.com This would include any missing parts issues.
Return:
BYOC, LLC accepts returns and exchanges on all products for any reason, as long as
they are unused. We do not accept partial kit returns. Returns and exchanges are for the
full purchase price less the cost of shipping and/or any promotional pricing. Return
shipping is the customer's responsibility. This responsibility not only includes the cost of
shipping, but accountability of deliver as well. Please contact
sales@buildyourownclone.com to receive a return authorization before mailing.
Tech Support:
BYOC, LLC makes no promises or guarantees that you will successfully complete your
kit in a satisfactory manner. Nor does BYOC, LLC promise or guarantee that you will
receive any technical support. Purchasing a product from BYOC, LLC does not entitle
you to any amount of technical support. BYOC, LLC does not promise or guarantee that
any technical support you may receive will be able to resolve any or all issues you may
be experiencing.

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Summary of Contents for BYOC Leeds Fuzz

  • Page 1 This would include any missing parts issues. Return: BYOC, LLC accepts returns and exchanges on all products for any reason, as long as they are unused. We do not accept partial kit returns. Returns and exchanges are for the full purchase price less the cost of shipping and/or any promotional pricing.
  • Page 2 That being said, we will do our best to help you as much as we can. Our philosophy at BYOC is that we will help you only as much as you are willing to help yourself. We have a wonderful and friendly DIY discussion forum with an entire section devoted to the technical support and modifications of BYOC kits.
  • Page 3: Table Of Contents

    LEEDS FUZZ KIT INSTRUCTION INDEX Parts Checklist……………………....……..page 4 - 5 Populating the Circuit Board…………....page 6 - 12 Assembly………………………………....page 13 - 15 Wiring the Footswitch & Jacks........page 16 - 18 Setting up the Internal Trimpots......page 19 Schematic..............page 20 -21...
  • Page 4: Parts Checklist

    Parts Checklist for BYOC Leeds Fuzz Resistors: 1% Metal Film (5band) / 5% Carbon Film (4 band) 2 - 470ohm (Yellow/Purple/Black/Black/Brown) / (Yellow/Purple/Brown/Gold) 1 - 1k (Brown/Black/Black/Brown/Brown) / (Brown/Black/Red/Gold) 2 - 1.8k (Brown/Grey/Black/Brown/Brown) / (Brown/Gray/Red/Gold) 1 - 3.3k (Orange/Orange/Black/Brown/Brown) / (Orange/Orange/Red/Gold) 1 - 4.7k...
  • Page 5 1 - 10k trimpot (will be labelled “103”) Hardware: 1 - drilled enclosure w/ 4 screws 1 - byoc Leeds Fuzz circuit board 1 - SPDT PC mounted toggle switch 1 - 3PDT footswitch 2 - knobs 1 - AC adaptor jack 1 - ¼”mono jack...
  • Page 6: Populating The Circuit Board

    Populating the Circuit Board STEP 1: Add the resistors. Resistors are not polarized, so it does not matter which end goes in which solder pad.
  • Page 7 STEP 2: Add the diodes. The 1N4001 will be black with a silver stripe. The Germanium diodes will be clear with a green stripe. Be sure to matched the end of the diode with the stripe to the layout on the PCB. The stripped end should go in the square solder pad.
  • Page 8 STEP 3: Add the film capacitors. These are not polarized so they can be inserted into the PCB in either direction.
  • Page 9 STEP 4: Add the internal trimpot. Many people get confused by these because the trimpot itself only has 3 legs, but the PCB has 5 holes. The PCB has 5 holes so that it can accomodate a variety of different trimpot brands and models. There should only be one way the trimpot will fit into the PCB without having to bend the legs.
  • Page 10 STEP 5: Add the transistors. Match the flat side of the transistor to the flat side of the layout on the PCB.
  • Page 11 STEP 6: Add the aluminum electrolytic capacitors. These are polarized. The positive end will have a longer lead and should go in the square solder pad. The negative end will have a shorter lead with a black strip running down the body of the capacitor.
  • Page 12 Step 7: Add the battery snap. Thread the solder ends of the snap through the under side of the strain relief holes. Insert the stripped ends of the battery snap wires into the topside of their respective solder pads. Solder on the bottom side where highlited in yellow.
  • Page 13: Assembly

    Assembly Step 1: Mount the DC adaptor jack to the enclosure. Step 2: Connect the TIP (negative) terminal of the DC adaptor jack to the “-” eyelet on the PCB with 2 inches of hook up wire. Connect the SLEEVE of the DC adaptor jack to the “+”...
  • Page 14 Step 3: Flip the PCB over so that the bottom or solder side is up. Insert the two B50K potentiometers, the LED, and the toggle switch into the bottom side of the PCB. DO NOT SOLDER!!!There are only two ways in which the toggle switch can fit into the PCB.
  • Page 15 Step 4: Hold the PCB in one hand so that the component side of the PCB is in the palm of your hand and the bottom side with the pots, toggle switch and LED is facing up. Now use your other hand to guide the predrilled enclosure onto the PCB assembly so that the pots, toggle switch and LED all go into there respective holes.
  • Page 16: Wiring The Footswitch & Jacks

    Wiring the footswitch, and jacks Step 1: Install the 1/4” jacks to the enclosure. Be sure to turn the OUT jack a 1/4 turn counter clockwise so that solder terminal for the tip does not short out against the enclosure.
  • Page 17 Step 2: Cut 4 x 3/4” pieces of wire. Strip 1/8” off each end. These will be used to connect • lugs/eyelets 1, 2, 7, & 8 Cut 1 x 1” piece of wire. Strip 1/8” off each end. This will be used to connect •...
  • Page 18 Cut 3 x 2” pieces of wire. Strip 1/4” off each end. These will be used to connect the • tip and sleeve of the IN jack and the tip of the OUT jack to the PCB. Cut 1 x 1.5” peice of wire. Strip 1/4” off each end. This will be used to connect the •...
  • Page 19: Setting Up The Internal Trimpots

    Adjusting the Trimpot There are rumors circulating the internet that this trimpot controls the amount of octave effect that mixes in with the fuzz. This is somewhat true, but keep in mind that if you used this trimpot as such, it can cause an unusual “noise gate” effect at the end of each note on certain settings.
  • Page 20: Schematic

    Please visit...
  • Page 21 http://buildyourownclone.com/board for any technical support copyright 2009 B.Y.O.C., LLC...