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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 
receive any technical support.  Purchasing a product from BYOC, Inc. does not entitle 
you to any amount of technical support.  BYOC, Inc. does not promise or guarantee that 
any technical support you may receive will be able to resolve any or all issues you may 
be experiencing. 
 
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. 
 

www.byocelectronics.com/board

 

 
When posting a tech support thread on the BYOC forum, please post it in the correct 
lounge, and please title your thread appropriately.  If everyone titles their threads 
“HELP!” then it makes it impossible for the people who are helping you to keep track of 
your progress.  A very brief description of your specific problem will do.  It will also 
make it easier to see if someone else is having or has had the same problem as you.  The 
question you are about to ask may already be answered.  Here is a list of things that you 
should include in the body of your tech support thread:  
1. A detailed explanation of what the problem is. (more than,  “It doesn’t work, help”)  
2. Pic of the topside of your PCB.  
3. Pic of the underside of your PCB.  
4. Pic that clearly shows your footswitch/jack wiring and the wires going to the PCB  
5. A pic that clearly shows your wiring going from the PCB to the pots and any other 
switches(only if your kit has non-PC mounted pots and switches) 
6. Is bypass working?  
7.  Does the LED come on?  
8. If you answered yes to 6 and 7, what does the pedal do when it is in the "on" position?  
9. Battery or adapter (if battery, is it good? If adapter, what type?)  
 
Also, please only post photos that are in focus.  
 

 

Copyrights: 

All material in this document is copyrighted 2014 by BYOC, Inc. 

 
 
 
 

Содержание Parametric Multi-Band Compressor

Страница 1: ...r 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...

Страница 2: ...ryone titles their threads HELP then it makes it impossible for the people who are helping you to keep track of your progress A very brief description of your specific problem will do It will also mak...

Страница 3: ...nd Compressor Kit Instruction Index Parts Checklist page 6 Populating the Circuit Board page 8 Main PCB Assembly page 18 Wiring page 21 Installing the IC Finishing up page 27 Operation Overview page 2...

Страница 4: ...This is what your kit should look like when it s complete Your kit may come with different color capacitors switches ect Don t be alarmed by this They all still do the exact same thing...

Страница 5: ......

Страница 6: ...Orange Gold 7 100k 104 Brown Black Black Orange Brown or Brown Black Yellow Gold 4 220k 224 Red Red Black Orange Brown or Red Red Yellow Gold 3 1M 105 Brown Black Black Yellow Brown or Brown Black Gre...

Страница 7: ...YOU MIGHT HAVE TO CUT A SLIT IN THE COVER WITH A BLADE AND USE A SMALL SCREWDRIVER TO GET LEVERAGE 2 A100k 2 C500k 1 C100k Dual Gang Hardware 1 predrilled enclosure w 4 screws optional 1 Parametric M...

Страница 8: ...CB The 103 resistor highlighted in purple should be a 223 or 22k resistor This typo will be corrected after Rev1 0 Resistors are not polarized and can be inserted in either direction You should lay 1...

Страница 9: ...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...

Страница 10: ...IC This is a socket The sockets get soldered to the PCB The ICs get inserted into the sockets The actual IC chip itself never gets soldered You will insert the IC into the socket after the entire ped...

Страница 11: ...Step5 Add the transistors Be sure to match the flat side of the transistor with the flat side of the transistor on PCB layout...

Страница 12: ...Step 6 Add the film capacitors These are non polarized so they can go in either direction...

Страница 13: ...E 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 alo...

Страница 14: ...e leads for the LDR stick out of one end and the leads for the LED stick out of the other Your opto coupler should have a yellow dot in one corner To orient your opto coupler match the dot on the opto...

Страница 15: ...the leads into the strain relief holes first through the bottom side of the PCB Then insert the leads into their respective solder pad hole on the top side of the PCB The red lead goes in the hole an...

Страница 16: ...int your board should look like the picture below Keep in mind that there should be two 220k 224 resistors on the underside of the PCB The picture also has all watt resistors so most of them are stand...

Страница 17: ...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 Solder one end a 2 5 piece of wire to each of the IN OU...

Страница 18: ...ure Your kit may come with either an external thread or internal thread Don t get confused by this They still function exactly the same You just thread the external nut on the outside and the internal...

Страница 19: ...nto the bottom side of the PCB If your pots have covers remove them before continuing You might have to cut a slit in the cover with a blade and use a small screwdriver to get leverage DO NOT SOLDER A...

Страница 20: ...ve also snapped the tabs off the pots as well before installing Step 4 Turn the entire pedal over so that the component side of the PCB is facing up Lift the PCB up off the pots about 2mm just to mak...

Страница 21: ...he eyelet on the PCB labeled Connect the SLEEVE of the DC adapter jack to the eyelet on the PCB labeled farthest to the right Connect the battery disconnect terminal of the DC adapter jack to the seco...

Страница 22: ...Stereo input Jack Mono output Jack Step 1 Install the 1 4 jacks to the enclosure...

Страница 23: ...two correct ways you can orient the footswitch They are both 180 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 ver...

Страница 24: ...G DESIGNATIONS Step 3 Wiring the foot switch Make a jumper between lugs 3 6 from clippings from the resistors Simply use your needle nose pliers to bend a piece of clipping into a U shape insert into...

Страница 25: ...f the wires to LUG9 It won t look as pretty but it will accomplish the exact same thing Step 4 Install the foot switch into the enclosure if it isn t already Insert the foot switch wires into their re...

Страница 26: ...to the tip of the OUT jack and the in eyelet will go to the tip of the IN jack refer to page 22 Connect the ground eyelet on the left to the sleeve of the IN jack and the ground eyelet on the right t...

Страница 27: ...Installing IC Finish up Don t forget to add the knobs put the cover on the enclosure and apply the bumpers to the cover...

Страница 28: ...your signal is split into high and low The further clockwise you turn this knob the larger the low spectrum becomes and the smaller the high spectrum becomes And vice versa The larger spectrum will h...

Страница 29: ......

Страница 30: ......

Страница 31: ...For hi res schematic visit http www byocelectronics com pmbcschematic pdf Please visit http byocelectronics com board for any technical support copyright 2014 BYOC Inc...

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