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BYOC Stereo Analog Flanger Instructions Manual

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Build Your Own Clone
Stereo Analog Flanger
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

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Summary of Contents for BYOC Stereo Analog Flanger

  • 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

    STEREO ANALOG FLANGER INSTRUCTION INDEX Parts Checklist ....page 4 - 5 Populating the Circuit Board ....page 6 - 16 Main PCB Assembly .........page 17 - 19 Wiring the Jacks............page 20 - 21 Footswitch Assembly..........page 22 - 24 Installing the ICs............page 25 Modifications.............page 26 - 27...

  • Page 4: Parts Checklist

    Parts Checklist for BYOC Stereo Analog Flanger Resistors: 1 - 22ohm (red/red/black/gold/brown) 7 - 1k (brown/black/black/brown/brown) 1 - 2k2 (red/red/black/brown/brown) 5 - 4k7 (yellow/purple/black/brown/brown) 18 - 10k (brown/black/black/red/brown) 3 - 22k (red/red/black/red/brown) 1 - 27k (red/purple/black/red/brown) 3 - 33k (orange/orange/black/red/brown)
  • Page 5 1 - 2N5087 1 - BS170 Hardware: 1 - drilled enclosure w/ 4 screws 1 - byoc Stereo Analog Flanger PCB 1 - Stereo Footswitch PCB 1 - 2 x 4 pin header 1 - 2 x 4 pin header socket...

  • Page 6: Populating The Circuit Board

    Populating the Circuit Board Before you get started! If you have a Rev1.0A PCB, there is a resistor space that is incorrectly labelled. The Rev1.0A will look just like the PCB pictured above. It will say REV1.0 (not REV1.0A), but it will not say BETA anywhere on the PCB. If your PCB is REV1.1 or higher, or is a REV1.0 and has the word BETA printed vertically along side the space for the 1N4001 diode, then you can ignore this.
  • Page 7 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. Note that the 1N4001 diode goes in the space highlighted in yellow. The four small orange 1N4148 diodes go in the space highlighted in red.
  • Page 8 STEP 2: Add the resistors . Resistors are not polarized, so it does not matter which end goes in which solder pad.
  • Page 9 Step 3: Add the 4 x 2 pin header socket.
  • Page 10 Step4: 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 11 STEP 5: Add the film capacitors. These are not polarized so they can be inserted into the PCB in either direction. The space highlighted in yellow should be left empty. This is for a modification and will be explained in the Modifications portion of the instructions.
  • Page 12 Step 6: Add the ceramic disc capacitors. These will be the small round orange caps. These are not polarized and can be inserted into the PCB in either direction.
  • Page 13 Step 7: Add the transistors and voltage regulator. Insert these components into the PCB so that the flat side of the component matches up with the flat side of the PCB layout. Be sure not to mix up the 2N5088's with the 2N5087.
  • Page 14 Step 8: 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 flanger build, you will need to set the internal trimpot.
  • Page 15 STEP 9: 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 16 Step 10: Add wires to the IN, Ground, STEREO, and MONO 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 17: 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 18 Step 3: Flip the PCB over so that the bottom or solder side is up. Insert the three B50k(manual, regen, depth) and C500K(rate) potentiometers, SPDT on-on toggle switch, 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.
  • Page 19 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 20: Wiring The Jacks

    Wiring the jacks Step 1: Install the 1/4 jacks to the enclosure. Be sure to turn the OUT jacks a 1/4 turn counter clockwise so that contact prong is at 3 o'clock and nothing is shorting out against anything else. Although the sleeve of the jacks is a ground connection so if that is touching the enclosure or the back of a potentiometer, that is OK.
  • Page 21 Step 2: Connect the pre stripped and tinned wires to the 1/4 jacks.

  • Page 22: Footswitch Assembly

    Footswitch Assembly There are no actual number markings on the footswitch. Orient the footswitch so that the flat sides of the solder lugs are running horizontally, not vertically. There is no top side or bottom side of the switch until you actually solder something to it and designate it as such.
  • Page 23 Also make sure that the shorter pins of the 2 x 4 header go into the PCB. The longer pins of the header get inserted into the header socket mounted to the main PCB. But do not solder anything yet. Step 4: Insert the header all the way into the header socket and mount the footswitch to the enclosure.
  • Page 24 Foot Switch Soldering Tip: Solder the foot switch lugs to the foot switch PCB in the order numbered above. When the poles of the switch are connected to the throws it can transfer heat. So by soldering in this patern, it will help disperse heat. Of course the best thing to do is just taking your time and allowing each solder joint and solder lug to completely cool off before making the next joint.

  • Page 25: Installing The Ics

    Installing the IC...

  • Page 26: Modifications

    Modifications 1. Adjusting the low pass filters - There are 4 low pass filters in the circuit that affect the wet signal. The first is the 4n7 highlighted in red. The second is the 3n3 highlighted in orange. The third is the 3n3 highlighted in yellow. And the fourth is the blank space highlighted in green.
  • Page 27 (try a .01uf/10n cap), and 4. adjust the overall volume level if need be. 9. DUAL PITCH CHORUSING - Because the BYOC flanger is using two independant BBDs in parallel, it is possible to use a mismatched set of BBDs so that you get a second wet signal that is at a slightly different pitch than the first.

  • Page 28: Operation Overview

    Operating Overview Rate - controls the speed of the LFO (low frequency oscillator) sweep Depth - controls the intensity of the LFO sweep Regeneration - a.k.a. Feedback. Controls the amount of signal send back into the delay line. Manual - This knob is allows you to manually controll the sweep when the depth knob is all the way counter clockwise.
  • Page 29 interactive with the depth knob. The more you turn the depth knob counter clockwise, the more control you have with the manual knob. Inversely, the more you turn the depth knob clockwise, the less control you have with the manual knob, so that if you were to turn the depth knob full turn clockwise, the manual knob would do nothing at all.

  • Page 30: Schematic

    For a schematic, click here to download PDF http://buildyourownclone.com/flangerscheme.pdf Please visit http://buildyourownclone.com/board for any technical support copyright 2009 B.Y.O.C., LLC...

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