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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.
Build Your Own Clone
Parametric Overdrive
Kit Instructions

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Summary of Contents for BYOC Parametric Overdrive

  • 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

    Parametric Overdrive Kit Instruction Index Parts Checklist………………………....…..page 6 Populating the Circuit Board……....…...…..page 8 Main PCB Assembly..........page 18 Wiring………………………………......page 22 Installing the IC/Finishing up…………………..page 28 Operation Overview...........page 29 Modifications………………………………………..page 30 Schematic..............page 32...
  • Page 4 This is \\'bat 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 still do the exact same thin2-...
  • Page 6: Parts Checklist

    Parts Checklist for Parametric Overdrive Kit Resistors: 1 – 100 ohm (101) (Brown/Black/Black/Black/Brown) 1 – 470 ohm (471) (Yellow/Purple/Black/Black/Brown) 4 - 1k (102) (Brown/Black/Black/Brown/Brown) 2 – 2k2 (222) (Red/Red/Black/Brown/Brown) 2 – 3k3 (332) (Orange/Orange/Black/Brown/Brown) 1 – 4k7 (Yellow/Purple/Black/Brown/Brown) 7 - 10k (103) (Brown/Black/Black/Red/Brown) 7 –...
  • Page 7 1 – B100k 1 – C100k Dual Gang Hardware: 1 - predrilled enclosure w/ 4 screws 1 – Parametric Overdrive circuit board 1 – DPDT On/Off/On toggle switch 1 - 3pdt footswitch 4 - knobs 1 - AC adaptor jack 1 - ¼”stereo jack...
  • Page 8: Populating The Circuit Board

    Populating Circuit Board Step resistors. Resistors are not polarized and can be inserted in either direction will standing end.
  • Page 9 Add the diodes. sure match the end of the diode with the stripe Step to the layout on PCB. striped end should go in the square solder...
  • Page 10 Add two pin IC sockets. ONLY SOLDER THE SOCKET! NOT Step 3 THE ACTUAL IC! This is a socket. The sockets get soldered to the PCB. The ICs get inserted into the sockets. The actual IC chip itself, never gets soldered.
  • Page 11 Step transistors. Orient the transistor so that flat side match with flat side PCB layout.
  • Page 12 Step film and ceramic disk capacitors. These non-polarized they either direction.
  • Page 13 Step 6: Add the aluminum electrol ytic capacitors. These ARE polarized, meaning there a positive negative end. The positive side will have a longer lead goes square solder pad. negative side will have a shorter lead and a stripe running along the body of the cap,...
  • Page 14 Step 7: Add the jumper. For this you just use scrap left over clipping from one other components.
  • Page 15 Step 8: Add the battery snap.
  • Page 16 At this point your board should look like this:...
  • Page 17 Step 9: Add wires to the IN, OUT, RING, -, +, (+), and the two Ground eyelets. Start êê 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 18: 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 19 Step 2: Flip the PCB over so that the bottom or solder side is up. Insert the four potentiometers, toggle switch and the LED into the bottom side of the PCB. If your pots have covers, remove them before continuing. You might have to cut a slit in the cover with a blade and use a small screwdriver to get leverage.
  • Page 20 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 21: 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 22 Stereo (input) Jack Mono (output) Jack Step 1: Install the 1/4” jacks to the enclosure.
  • Page 23 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 24 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 & insert into lugs 3 & 6, then solder.
  • Page 25 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. Solder both lugs 4 and 9.
  • Page 27 Installing IC/Finish up Don't forget to add the knobs, put the cover on the enclosure, and apply the bumpers to the cover.
  • Page 28: Operation Overview

    Operating Overview Level: This controls the amount of volume. Boost/Cut: Boosts or cuts the frequency selected by the “Freq” knob. +/- 5dB range Clockwise boosts. Counter clockwise cuts. Center or “noon” will do nothing. (NOTE: The Freq knob and Q switch will do absolutely nothing if you have the Boost/Cut knob at noon. The more you Boost/Cut, the more pronounced the effects of the Freq knob and Q switch will be) Drive: Controls the amount of gain.
  • Page 29: Modifications

    MODIFICATIONS 1. Tighter low end – Replace the .033uF C1 input capacitor highlighted in RED. Use a .022uF for a full sound. Use a .01uF if you prefer a slightly thinner traditional OD sound. This mod is absolutely essential if you intend to modify the circuit for more gain or more low end by modifying components in the negative feedback loop.
  • Page 30 to changes in the forward voltage of your clipping devices. LEDs and rectifier diodes like the 1N4001 that are commonly used in clipping mods seem to be too much. They produce unpleasant artifacts in the decay of the note. So adding low forward voltage diodes in series will have a much more pronounced effect in this circuit.
  • Page 32 For hi-res schematic visit http://www.byocelectronics.com/parametricoverdriveschematic.pdf Please visit http://byocelectronics.com/board for any technical support copyright 2014 BYOC, Inc.