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BYOC Optical Compressor Instructions Manual

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Build Your Own Clone
Optical Compressor 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

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Summary of Contents for BYOC Optical Compressor

  • Page 1 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.
  • 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

    OPTICAL COMPRESSOR KIT OPTICAL COMPRESSOR KIT INSTRUCTION INDEX Parts Checklist……………………....……..page 4 - 5 Populating the Circuit Board…………....page 6 - 13 Assembly………………………………....page 15 - 17 Wiring the Footswitch & Jacks........page 18 - 20 Installing the IC............page 21 Schematic..............page 22...

  • Page 4: Parts Checklist

    Parts Checklist for BYOC Optical Compressor Resistors: 2 - 4.7k (yellow/purple/black/brown/brown) 2 - 10k (brown/black/black/red/brown) 4 - 100k (brown/black/black/orange/brown) 2 - 220k (red/red/black/orange/brown) 1 - 470k (yellow/purple/black/orange/brown) 2 - 1M(brown/black/black/yellow/brown) Capacitors: 1 - .01µf/1n film (10n) 4 - .047µf/47n film (47n) 3 - 0.1µf/100n film (100n) [use only for bass guitar]...
  • Page 5 1 - drilled enclosure w/ 4 screws 1 - byoc Optical Compressor circuit board 1 - 3PDT footswitch 2 - knobs 1 - AC adaptor jack 1 - ¼”mono jack 1 - ¼”stereo jack 1 - red LED 1 - battery snap...

  • Page 6: Populating The Circuit Board

    Populating the Circuit Board STEP 1: Add the resistors. Resistors are not polarized, so it does not matter which end goes in which solder pad.
  • Page 7 STEP 2: Add the diode. The 1N4001 will be black with a silver stripe. 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 3: Add the IC socket. Line up the U shaped notch of the socket to the notch on the PCB layout. Solder only the IC socket to the PCB. Do not solder the actual IC. The IC inserts into the socket the same way you'd plug a vacuum tube into a socket. See page 21 for instructions on how to install the IC into the socket.
  • Page 9 STEP 4: Add the film capacitors. These are not polarized so they can be inserted into the PCB in either direction. If you are building for use with bass guitar, you should use the .1uf(100n) capacitors in the places marked with an “*”.
  • Page 10 STEP 5: Add the transistors. Match the flat side of the transistor to the flat side of the layout on the PCB.
  • Page 11 STEP 6: Add the optocoupler. If your kit came with a VTL5C4(4 leads): Insert the optocoupler into the PCB so that the side with the yellow dot is facing up. Orient the optocoupler so that the yellow dot is pointing towards the positive (+) eyelet. The LED lead that goes in the positive (+) eyelet highlighted in red, should be slightly longer.
  • Page 12 If your kit came with a VTL5C4/2(dual element with 5 leads): Orient the optocoupler so that the printed side is facing up and the “+” symbol on the optocoupler matches the “+” symbol on the PCB. What's the difference between the VTL5C4/2 and the VTL5C4? Nothing as far as this pedal is concerned.
  • 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 snap through the under side of the strain relief holes. Insert the stripped ends of the battery snap wires into the topside of their respective solder pads. Solder on the bottom side where highlited in yellow.

  • Page 15: 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 of the DC adaptor jack to the “+”...
  • Page 16 Step 3: 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!!! 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 and LED is facing up.
  • Page 17 Step 5: Turn the entire pedal over so that the component side of the PCB if facing up. Lift the PCB up off the pots about 2mm just to make sure that the back of the PCB does not short out against that pots. Make sure the PCB is level and symetrically seated inside the enclosure.

  • Page 18: Wiring The Footswitch & Jacks

    Wiring the footswitch, and jacks Step 1: Install the 1/4” jacks on 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 1: Install the 1/4”...
  • Page 19 Step 2: 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 Cut 1 x 1” piece of wire. Strip 1/8” off each end. This will be used to connect •...
  • Page 20 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 •...

  • Page 21: Installing The Ic

    Installing the IC...
  • Page 23 Please visit http://byocelectronics.com/board for any technical support copyright 2009 B.Y.O.C., LLC...