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BYOC Analog Chorus Rev 1.1 Instructions Manual

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Build Your Own Clone
Analog Chorus Rev 1.1
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 customers responsiblity. This responsibility not only includes the cost of
shipping, but accountability of deliver as well. Please contact
sales@buildyourownclone.com to receieve a return authorization before mailing.
Tech Support:
BYOC, LLC makes no promises or guarantees that you will sucessfully complete your kit
in a satisfactory mannor. 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

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Summary of Contents for BYOC Analog Chorus Rev 1.1

  • Page 1 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...
  • 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

    ANALOG CHORUS KIT Rev 1.1 INSTRUCTION INDEX Parts Checklist ....page 4 - 5 Populating the Circuit Board ....page 6 - 15 Main PCB Assembly .........page 16 - 18 Wiring.................page 19 - 22 Installing the ICs............page 23 Operation Overview..........page 24 Schematic..............page 25...

  • Page 4: Parts Checklist

    Parts Checklist for BYOC Analog Chorus Rev 1.1 Note: These are the instructions for the Rev1.1 kit. If your kit came with a Rev1.0 PCB, please click here or go to www.buildyourownclone.com/chorusrev1point0.pdf to download instructions. Resistors: 1 - 47R (yellow/purple/black/gold/brown)
  • Page 5 4 - DIP 8 socket Transistors: 4 - 2N5088 Hardware: 1 - drilled enclosure w/ 4 screws 1 - byoc Analog Chorus PCB 1 - 3PDT footswitch 2 - knobs 1 - AC adaptor jack 1 - ¼ mono jack 1 - ¼...

  • Page 7: Populating The Circuit Board

    Populating the Circuit Board STEP 1: Add the diodes. 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 2: Add the resistors . Resistors are not polarized, so it does not matter which end goes in which solder pad. Be careful of the 47ohm(labelled 47R on the PCB) and 470ohm (labelled 470R on the PCB) resistors. Don't confuse them with the 4k7, or 47k resistors.
  • Page 9 Step3: Add the 8 pin sockets. Line up each socket so that the u-shaped notch matches up with the end that has a notch on the layout. Only add the socket. DO NOT solder the actual chip to the PCB. DO NOT solder the chip to the socket. Only the socket gets soldered.
  • Page 10 Step 4: Add the transistors. Insert these components into the PCB so that the flat side of the component matches up with the flat side of the PCB layout.
  • Page 11 STEP 5: Add the film and ceramic disc capacitors. These are not polarized so they can be inserted into the PCB in either direction.
  • Page 12 Step 6: Add the trimpot. The trimpot only has 3 leads. The PCB has spaces for 5. This is so that the PCB can accept a variety of trimpot brands and models. There is only one way your trimpot will be able to fit into the PCB so do not let this confuse you. SETTING THE TRIMPOT: After you complete your chorus build, you will need to set the internal trimpot.
  • Page 13 STEP 7: 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 14 Step 8: Add the battery snap. Thread the solder ends of the battery snap into the strain relief holes from the bottom solderside of the PCB and out through the top. Insert the solder ends of the battery snap wires into the topside of their respective solder pads. Solder on the bottom side of the PCB.
  • Page 15 Step 9: Add wires to the IN, OUT, and Ground eyelets. Start by cutting four 2.5 pieces of 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 16: Main Pcb 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 (positive terminal) of the DC adaptor jack to the eyelet on the far right side of the PCB with 2 inches of hook up wire.
  • Page 17 Step 3: Flip the PCB over so that the bottom or solder side is up. Insert the two B100k(rate & depth) potentiometers, and the LED into the bottom side of the PCB. DO NOT SOLDER YET!!! The LED will have one lead that is longer than the other. The longer lead goes in the hole of the square solder pad.
  • Page 18 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 and LED all go into their respective holes.

  • Page 19: Wiring

    Wiring 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. Step 2: Install the footswitch. Orient the footswitch so that the flat sides of the solder lugs are like the diagram below.
  • Page 20 degrees of each other. Either way is fine. It does not matter as long as the flat sides of the solder lugs are running horizontal, not vertical.
  • Page 21 Step 3: Connect the pre stripped and tinned wires to the 1/4 jacks. Step 4: · 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 ·...
  • Page 22 · 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 ring of the IN jack to the ring eyelet on the PCB.

  • Page 23: Installing The Ics

    Installing the IC's and Finishing Up Don't forget to adjust your trimpot. Then put the cover on the enclosure and apply the bumpers to the cover is you like to use them.

  • Page 24: Operation Overview

    Operating Overview DEPTH: Sometimes called Width or Intensity. Controls hwo deep the vibrato of the chorus bends pitch. RATE: Sometimes called Speed or Frequency. Controls how fast the vibrato of the chorus bends pitch up and down. DC power supply - Use a 2.5mm negative tip 9VDC adaptor (this is your standard guitar fx style adaptor).

  • Page 25: Schematic

    Click here or go to www.buildyourownclone.com/ce2rev11schematic.pdf for hi res schematic. Please visit http://buildyourownclone.com/board for any technical support copyright © 2010 BYOC, LLC...