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BYOC Mimosa Jr. Instructions Manual
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BYOC Mimosa Jr. Instructions Manual

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Build Your Own Clone
Mimosa Jr.
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.
Tech Support:
BYOC, Inc. makes no promises or guarantees that you will successfully complete your
kit in a satisfactory manor. Nor does BYOC, Inc. promise or guarantee that you will

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Summary of Contents for BYOC Mimosa Jr.

  • Page 1 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.
  • 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

    Mimosa Jr. Kit Instruction Index Parts Checklist……………………………………….page 4 Populating the Circuit Board……………………….page 7 Enclosure Assembly………………………………...page 14 Wiring………………………………………………..page 18 Operation Overview………………………………...page 23 Schematic……………………………………………page 24 PCB Back Trace Photo……………………………..page 25...

  • Page 4: Parts Checklist

    Parts Checklist for the Mimosa Jr. Kit Resistors 1– 470 Ohm/471 (Yellow/Purple/Black/Black/Brown) 1 - 1k5/152 (Brown/Green/Black/Brown/Brown) 1 - 2k4/242 (Red/Yellow/Black/Brown/Brown) 1 - 4k7 /472 (Yellow/Purple/Black/Brown/Brown) 6 - 10k/103 (Brown/Black/Black/Red/Brown) 3 - 22k/223 (Red/Red/Black/Red/Brown) 1 - 33k/333 (Orange/Orange/Black/Red/Brown) 1 - 82k/823 (Gray/Red/Black/Red/Brown) 4 - 100k/104 (Black/Brown/Black/Orange/Brown)
  • Page 5 Potentiometers: SNAP THE SMALL TABS ON THE TOP OF THE POTS OFF WITH A PAIR OF NEEDLE NOSE PLIERS 1 – B10k (BLEND) 1 – A100k (VOL) 1 - 10k trimpot Hardware: 1 - predrilled enclosure w/ 4 screws 1 – Mimosa Jr. PCB 1 - 3pdt footswitch 1 - LED 1 –...
  • Page 6 Your build should look similar to this when you’re finished.

  • Page 7: Populating The Circuit Board

    Populating the Circuit Board Step 1: Add all the resistors. Resistors are not polarized and can be inserted in either direction.
  • Page 8 Step 2: Add the diode. Be sure to match the end of the diode with the stripe to the layout on the PCB. The striped end should go in the square solder pad.
  • Page 9 Step 3: Add the IC. Be sure to orient it correctly. There may be a notch on the IC between pins 1 and 14. Line that up with the screenprint on the PCB. If your IC does not have a notch, look for a dot to indicate pin 1. Pin one on the PCB will be a square hole.
  • Page 10 Step 4: Add the Trimpot. There are 5 holes in the PCB but only 3 leads on your trim pot. Don’t let this confuse you. The extra holes are there to accommodate a variety of different brands/models. There should only be one way that your trimpot will fit into the PCB.
  • Page 11 Step 5: Add the film capacitors. These are non-polarized and can go in either direction. The ceramic disc capacitor is highlighted in yellow.
  • Page 12 Step 6: 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 13 Step 7: Add the Transistors. Be sure to orient them according to the screenprint on the PCB. Do not insert them into the PCB as far as you can. Let them stick out just a little bit so that you can bend them down. See pic of finished pedal on page 6.

  • Page 14: Enclosure Assembly

    Enclosure Hardware Assembly Step 1: Mount the DC adapter jack. Step 2: Mount the potentiometer. You will mount it with the solder lugs facing towards the DC Jack.
  • Page 16 Step 3: Mount the Audio Jacks. You want to orient them so that the SLEEVE terminals (beveled corner of the jack) are facing away from each other. If looking at the inside of the enclosure, the OUTPUT jack will have its sleeve terminal facing towards the AC jack.
  • Page 17 Step 4: Remove both nuts from the footswitch and mount 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.
  • Page 18 FOOT SWITCH SOLDER LUG DESIGNATIONS...

  • Page 19: Wiring

    Wiring FLIP PCB OVER!!! STEP 1: Wire the PCB as shown in the diagram below. Make all connections to the back side of the PCB and solder on the top (screen printed) side of the PCB. Make the wires as short as possible but allow enough length so that if you need to do any trouble shooting later, you will be able to do so without having to remove all the enclosure mounted components.
  • Page 20 Step 2: Once the AC jack, potentiometer, and IN/OUT jacks are wired, insert the LED in its hole. Insert the long lead into the square hole!!! might want to slightly bend the leads away from each other to keep them in the holes for now.
  • Page 21 Step 3: Flip the PCB right-side-up, tuck the wires into the enclosure, and place the PCB onto the footswitch. DO NOT SOLDER YET!!!!! Buffalo Bill says, “Be sure to tuck really well!” It is extremely important that when you place the PCB on the footswitch, you make sure to tuck all the wires out of the way so that that PCB can rest flush against the enclosed jacks and footswitch.
  • Page 22 Step 4: Solder ONLY 1 of the footswitch lugs. Your PCB should be recessed inside the enclosure about 1cm. It should be level. Some of your components may be sticking up out of the enclosure just a bit, particularly the film capacitors. This is to be expected. This is OK. The lid has a deep recess.

  • Page 23: Operation Overview

    Operating Overview VOL: Controls the overall output volume. BLEND: Controls the blending of the compressed and dry signal. Power supply: 2.1mm negative tip. Current Draw: 7.5mA Input Impedance: 470k ohms Output Impedance: 150k ohms...

  • Page 25: Pcb Back Trace Photo

    PCB Back Trace Photo...
  • Page 26 Please visit http://byocelectronics.com/board for any technical support Copyright 2015 BYOC, Inc.