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BYOC B.G. Fuzz Instructions Manual

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Build Your Own Clone
B.G. Fuzz
Kit Instructions
Warranty:
BYOC, Inc. 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, INC
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, INC 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, Inc. 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.

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Summary of Contents for BYOC B.G. Fuzz

  • Page 1 This would include any missing parts issues. Return: BYOC, Inc. 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

    B.G. Fuzz Kit Instruction Index Parts Checklist………………………....…..page 6 Populating the Circuit Board……....…...…..page 8 Main PCB Assembly..........page 17 Wiring………………………………......page 20 Operation Overview...........page 26 Schematic..............page 27...
  • Page 4 This is what your kit should look like when it’s complete. Your kit may come with different color capacitors, switches ect. Don’t be alarmed by this. They all still do the exact same thing.

  • Page 5: Parts Checklist

    Parts Checklist for B.G. Fuzz Kit Resistors: (Metal Film (5 Bands) / Carbon Film (4 Bands)) 1 - 47R (Yellow/Purple/Black/Gold/Brown) / (Yellow/Purple/Black/Brown) 1 - 4k7 (Yellow/Purple/Black/Brown/Brown) / (Yellow/Purple/Red/Brown) 1 - 6k8 (Blue/Gray/Black/Brown/Brown) / (Blue/Gray/Red/Brown) 4 - 10k (Brown/Black/Black/Red/Brown) / (Brown/Black/Orange/Brown)
  • Page 6 1 – A50k (volume) 1 – B100k (Tone) Hardware: 1 - predrilled enclosure w/ 4 screws 1 – B.G. Fuzz Printed Circuit Board 1 - 3pdt footswitch 2 - knobs (optional) 1 - AC adaptor jack 1 - ¼”stereo jack 1 - ¼”...

  • Page 7: Populating The Circuit Board

    Populating the Circuit Board Step 1: Add all the resistors. Resistors are not polarized and can be inserted into the PCB in either direction, meaning you don’t have to worry about orienting them.
  • Page 8 Add the diodes. Be sure to match the end of the diode with the stripe Step 2: to the layout on the PCB. The striped end should go in the square solder pad.
  • Page 10 Step 3: Add the TA7504M IC. Be sure to align the tab on the IC with the tab outline on the PCB.
  • Page 11 Step5: Add the transistors. Be sure to match the flat side of the transistor with the flat side of the transistor on PCB layout.
  • Page 12 Step 6: Add the film capacitors. These are non-polarized so they can go in either direction. The 250p highlighted in yellow is a ceramic disc, and is also non-polarized.
  • Page 13 Step 7: Add the aluminum electrolytic capacitors. These ARE polarized, meaning there is a positive and negative end. The positive side will have a longer lead and goes in the square solder pad. The negative side will have a shorter lead and a stripe running along the body of the cap, and goes in the round solder pad.
  • Page 14 Step 9: Add the battery snap. Thread the leads into the strain relief holes first through the bottom side of the PCB. Then insert the leads into their respective solder pad hole on the top-side of the PCB. The red lead goes in the + hole and the black lead goes in the – hole.
  • Page 15 At this point your board should look like the picture below.
  • Page 16 Step 9: Add wires to the IN, OUT, RING, -, two +, and two Ground eyelets. Start ê by cutting four 2.5” pieces of wire and 4 pieces of 1.5” wire. Strip 1/4” off each end and tin the ends. Tinning means to apply some solder to the stripped ends of the wires. This keeps the strands from fraying and primes the wire for soldering.

  • Page 17: Main Pcb Assembly

    Main PCB Assembly Step 1: Mount the AC adapter jack to the enclosure. Your kit may come with either an external thread or internal thread. Don’t get confused by this. They still function exactly the same. You just thread the external nut on the outside and the internal nut on the inside.
  • Page 18 Step 2: Flip the PCB over so that the bottom or solder side is up. Insert the two potentiometers and the LED into the bottom side of the PCB. DO NOT SOLDER ANYTHING YET!!! The LED will have one lead that is longer than the other. THIS WILL GO INTO THE SQUARE SOLDER HOLE.
  • Page 19 Step 3: 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 their respective holes.

  • Page 20: Wiring

    WIRING Step 6: Connect the TIP (negative) terminal of the DC adapter jack to the eyelet on the PCB labeled “-“. Connect the SLEEVE of the DC adapter jack to the eyelet on the PCB labeled “+” farthest to the right. Connect the battery disconnect terminal of the DC adapter jack to the second eyelet on the PCB labeled “+”...
  • Page 21 Stereo (input) Jack Mono (output) Jack Step 1: Install the 1/4” jacks to the enclosure.
  • Page 22 Step 2: Install the footswitch. Orient the footswitch so that the flat sides of the solder lugs are like the diagram below. NOTE: There are no actual number markings on the footswitch. There are two correct ways you can orient the footswitch. They are both 180 degrees of each other.
  • Page 23 FOOT SWITCH SOLDER LUG DESIGNATIONS Step 3: Wiring the foot switch. Make a jumper between lugs 3 & 6 from clippings from the resistors. • Simply use your needle nose pliers to bend a piece of clipping into a U shape &...
  • Page 24 Cut a two 2” piece of wire. Strip 1/8” off each end and tin. • Strip ¾” off the other end and very carefully tin. You do not want too • much solder on this end. Thread the longer stripped end into LUG4 and through to LUG9. •...
  • Page 25 Step 5: Connect the wires at the top end of the PCB to the IN and OUT jacks. The “out” eyelet will go to the tip of the OUT jack and the “in” eyelet will go to the tip of the IN jack (refer to page 22). Connect the ground eyelet on the left to the sleeve of the IN jack and the ground eyelet on the right to the sleeve of the OUT jack.

  • Page 26: Operation Overview

    Operating Overview Volume: Controls the overall output level Tone: Controls the tone, counter-clockwise provides more bass/less treble, clockwise provides more treble/less bass Fuzz: There’s no knob for this! Just use your guitar volume. Power supply: 9V battery or 2.1mm negative tip Current Draw: 5.5mA Input Impedance: 220K ohms Output Impedance: 50k ohms...
  • Page 28 For hi-res schematic visit http://www.byocelectronics.com/bgfuzzschematic.pdf Please visit http://byocelectronics.com/board For any technical support Copyright 2014 BYOC, Inc.