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BYOC MK2 Instructions Manual

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B.Y.O.C. MK2 Kit Instructions
Parts Checklist
......... ..page 2
Populating the Circuit Board
........
..page 3 - 5
Assembly
........
.....page 6
Wiring
......... ........page 7
Installing the LED and Mounting the PCB.....page 8 - 9
Finish up
..............page 10 - 11
Schematic.............................................................page 12
Copyright 2006 Build Your Own Clone

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Summary of Contents for BYOC MK2

  • Page 1 B.Y.O.C. MK2 Kit Instructions Parts Checklist ...page 2 Populating the Circuit Board ..page 3 - 5 Assembly .....page 6 Wiring ....page 7 Installing the LED and Mounting the PCB..page 8 - 9 Finish up ....page 10 - 11 Schematic.............page 12...

  • Page 2: Important Note

    Parts Checklist for MK2 Fuzz Kit Resistors: 1 - 470ohm (yellow/purple/brown/gold) 1 - 1k (brown/black/red/gold) 1 - 4.7k (yellow/purple/red/gold) 1 - 10k (brown/black/orange/gold) 1 - 47k (yellow/purple/orange/gold) 3 - 100k (brown/black/yellow/gold) 1 - 4.7m (yellow/purple/green/gold) Capacitors: 2 - .01uf film (103) 1 - .047uf film (473)

  • Page 3: Populating The Circuit Board

    Populating the Circuit Board Step 1: Add all the resistors. The 4.7M is optional. It was not part of the original circuit. It is a pull down resistor to reduce any true bypass pop that may occur. You can use the 1k resistor in place of the 470ohm for more volume output.
  • Page 4 This is optional. It was not part of the original circuit. It provides reverse polarity protection.. It does not have any affect on the tone of the pedal. Step 3: Add the transistor sockets. Make sure that the tab on the socket matches up with the tab on the circuit board.
  • Page 5 Step 5: Add the aluminum electrolyic capacitors. These are polarized and the positive solder pad will be labelled on the board by a "+" symbol. The negative end of the capacitor will have a strip of black arrows pointing to it. The positive end will have a rubber seal on that end.
  • Page 6 Assembly 1. Install the jacks first. If you are looking down inside the enclosure, the mono jack goes on the right side and the stereo jack goes on the left. Place the washer on the outside of the enclosure. Use a 1/2" wrench to tighten. 2.
  • Page 7 Wiring...
  • Page 8 Installing the LED and Mounting the Circuit Board 1. Insert the LED into its slot on the underside or solder side of the circuit board,but DO NOT SOLDER it yet. Make sure the anode(the long leg) goes in the square solder pad and the cathode(the short leg)goes in the round solder pad.
  • Page 9 5. Insert the LED bulb into the LED hole in the enclosure. 6. Secure the Standoffs to the back of the potentiometers. 7. Your LED should still be free to move up and down slightly. You probably do not want your LED sticking all the way out of the hole. So pull up on the LED legs till you have it properly positioned and then solder.

  • Page 10: Finishing Touches

    Finishing Touches Install the transistors. Do not solder the transistors. Simply push the lead wires into the appropriate socket holes. The lead wires on the germanium transistors will be rather longs, so you will want to clip off the excess. But be sure to leave enough so you can bend the transistor down and out of the way when you seal the enclosure.
  • Page 11 The collect goes on the left and the emitter on the right. The base is in the center. Bend the transistors down out of the way so that they lay in the space provided on the circuit board. Once you've plugged your tonebender in and it works , you will probably need to bias it. Just turn the trimpot untill it sound the way you think a fuzz should sound.
  • Page 12 Schematic...