BYOC Li'l Analog Chorus Kit Building Instructions Download Page 3

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Li’l Analog Chorus Kit Instruction Index

Parts Checklist……………………………………….page 4

Populating the Circuit Board……………………….page 7

Enclosure Assembly………………………………...page 14

Wiring………………………………………………..page 18

Operation Overview………………………………...page 23

Schematic……………………………………………page 24

PCB Back Trace Photo……………………………..page 25

Summary of Contents for Li'l Analog Chorus Kit

Page 1: ...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...

Page 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...

Page 3: ...log Chorus Kit Instruction Index Parts Checklist page 4 Populating the Circuit Board page 7 Enclosure Assembly page 14 Wiring page 18 Operation Overview page 23 Schematic page 24 PCB Back Trace Photo...

Page 4: ...n 3 470k 474 Yellow Purple Black Orange Brown Visit www byocelectronics com resistorcodes pdf for more information on how to differentiate resistors Capacitors 1 100pF Ceramic Disc capacitor round yel...

Page 5: ...POTS OFF WITH A PAIR OF NEEDLE NOSE PLIERS 1 B10k DEPTH 1 C1M RATE 1 100k Trimpot Hardware 1 predrilled enclosure w 4 screws 1 Li l Analog Chorus PCB 1 3pdt footswitch 2 enclosed Jacks 4 rubber bumpe...

Page 6: ...Your build should look similar to this when you re finished...

Page 7: ...urself you will want to pay attention to the orientation of the chips The PCB has the orientation indicated the yellow outlined pad is pin 1 Look at your chips and there will be an orientation indicat...

Page 8: ...Step 2 Add all the resistors Resistors are not polarized and can be inserted in either direction...

Page 9: ...Step 3 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...

Page 10: ...sure to orient it correctly There may be a notch on the IC between pins 1 and 8 Line that up with the screenprint on the PCB If your IC does not have a notch look for a dot to indicate pin 1 Pin one...

Page 11: ...need to adjust the trimpot until you get the best chorus sound possible First set the trimpot to the middle of its rotation and make slight adjustments until you hear the chorus effect There will be...

Page 12: ...Step 6 Add the film and ceramic disc capacitors These are non polarized and can go in either direction The ceramic disc capacitors are highlighted in yellow...

Page 13: ...itive 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 along the body of the cap and goes in...

Page 14: ...Enclosure Hardware Assembly Step 1 Mount the DC adapter jack...

Page 15: ...ep 2 Mount the potentiometers You will mount the right potentiometer with the solder lugs facing towards the DC Jack and the left potentiometer with the solder lugs facing the footswitch as shown belo...

Page 16: ...corner of the jack are facing away from each other If looking at the inside of the enclosure the INPUT jack will have its sleeve terminal facing towards the AC jack The OUTPUT jack will have its sleev...

Page 17: ...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 E...

Page 18: ...FOOT SWITCH SOLDER LUG DESIGNATIONS...

Page 19: ...Wiring FLIP PCB OVER...

Page 20: ...e back side of the PCB and solder on the top screen printed side of the PCB Make the wires as short as possible but allow enough length so that if you need to do any trouble shooting later you will be...

Page 21: ...them in the holes for now DO NOT SOLDER YET Step 3 Flip the PCB right side up tuck the wires into the enclosure and place the PCB onto the footswitch DO NOT SOLDER YET Make sure you tuck your wires ca...

Page 22: ...he PCB so that it fits correctly reheat the single solder joint you just made on the footswitch Adjust the position of the PCB while the keeping the solder joint hot Remove the heat and hold the PCB i...

Page 23: ...DEPTH Control the intensity of the chorus effect RATE Controls the speed of the chorus effect Power supply 2 1mm negative tip Current Draw 7 5mA Input Impedance 470k ohms Output Impedance 100k ohms...

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Page 25: ...PCB Back Trace Photo...