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Build Your Own Clone
Parametric EQ
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.
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Summary of Contents for BYOC Parametric EQ
- 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.
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Page 3: Table Of Contents
PARAMETRIC EQ INSTRUCTION INDEX Parts Checklist ....page 4 - 5 Pictures of Completed Build........page 6 - 7 Populating the Circuit Board ....page 8 - 13 Main PCB Assembly .........page 14 - 17 Wiring................page 18 - 22 Installing the IC's and Finishing Up.......page 23 Operation Overview..........page 24 - 25... -
Page 4: Parts Checklist
Parts Checklist for BYOC Parametric EQ Kit Resistors: These are 1/8th watt resistors. They are very small. You may need a magnifying glass. If you still have trouble reading the color bands, we suggest using a multi-meter to identify the value of each resistor 4 - 331/330ohm (orange/orange/black/black/brown) 15 - 162/1.6k (brown/blue/black/brown/brown) or 1.62k (brown/blue/red/brown/brown) - Page 5 6 - B10k linear (Q and Boost/Cut knobs) 1 - A100k audio (Level knob) Hardware: 1 - drilled enclosure w/ 4 screws 1 - byoc parametric eq pcb 1 - 3PDT footswitch 10 - knobs 1 - AC adaptor jack 1 - ¼...
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Page 6: Pictures Of Completed Build
Pictures of Completed Parametric EQ Build For close up high res 2.8MB image of populated PCB click here or go to www.buildyourownclone.com/paraEQgutslarge.jpg... -
Page 8: 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. Note that your kit may come with either 5.1k or 5.11k for the 512 resistor spaces and 1.6k or 1.62k for the 162 resistors spaces. - Page 9 STEP 2: Add the 8 pin and 14 pin IC sockets. ONLY SOLDER THE SOCKET! NOT THE ACTUAL IC! These are sockets. The sockets get soldered to the PCB. The ICs get inserted into the sockets. The actual IC chips themselves, never get soldered. You will insert the ICs into the sockets after the entire pedal has been built.
- Page 10 Step 3: Add the film capacitors. These are not polarized and can be inserted into the PCB either way.
- Page 11 STEP 4: 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 or white stripe running down the body of the capacitor.
- Page 12 Step 5: 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 13 Step 6: Add wires to the IN, OUT, RING, and two Ground eyelets. Start by cutting four 2.5 pieces of wire and one 1.5 piece 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.
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Page 14: Main Pcb Assembly
Main PCB Assembly Step 1: Mount the DC adaptor jack to the enclosure. - Page 15 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 eyelet on the far right side of the PCB with 2 inches of hook up wire.
- Page 16 Step 3: Flip the PCB over so that the bottom or solder side is up. Insert the 6 x B10k (Boost/Cut & Q), 3 x Dual B10k (frequency), and 1 x A100K(level) potentiometers, and the LED into the bottom side of the PCB. DO NOT SOLDER ANYTHING YET!!! The LED will have one lead that is longer than the other.
- Page 17 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.
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Page 18: 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. - Page 19 Step 2: Install 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. They are both 180 degrees of each other.
- 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 will be used to connect lug/eyelet 4. The longer stripped end will be used to jumper lug 4 to 9. · 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.
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Page 23: Installing The Ic's And Finishing Up
Installing the IC's and Finishing Up Don't forget to put the cover on the enclosure and apply the bumpers to the cover if you like to use them. -
Page 24: Operation Overview
Operating Overview Q: Controls how wide or narrow the curve is of the frequency being boosted or cut. Clockwise produces a wider or lower Q. Counter-clockwise produces a narrower or higher Q. Boost/Cut: Increases or decreases the frequency selected by its respective band by +/-12dB. - Page 25 DC power supply - Use a 2.5mm negative tip 9VDC adaptor (this is your standard guitar fx style adaptor). If using battery power, only use a single 9V battery. DO NOT USE MORE THAN 9V AND DO NOT USE A POSITIVE TIP POWER SUPPLY!!! Current Draw - 10.5mA Input Impedance - 470k ohms Output Impedance - 100k ohms...
- Page 27 For a High Res Schematic click here or go to www.buildyourownclone.com/byocPEQscheme.pdf Please visit http://buildyourownclone.com/board for any technical support copyright 2010 B.Y.O.C., LLC...
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