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Parts Checklist for BYOC Analog Chorus Rev 1.0

Resistors:

1 - 47R (yellow/purple/black/gold/brown)

1 - 470R (yellow/purple/black/black/brown)
1 - 2k7 (red/purple/black/brown/brown)

4 - 4k7 (yellow/purple/black/brown/brown)

14 - 10k (brown/black/black/red/brown)

1 - 22k (red/red/black/black/red/brown) [used only for bass mods]

4 - 33k (orange/orange/black/red/brown)

5 - 47k (yellow/purple/black/red/brown)[one extra for bass mods]

1 - 56k (green/blue/black/red/brown)

2 - 100k (brown/black/black/orange/brown)

1 - 150k (brown/green/black/orange/brown)

1 - 220k (red/red/black/orange/brown)

2 - 330k (orange/orange/black/orange/brown)

2 - 1M (brown/black/black/yellow/brown)

Capacitors

1 - 47pf ceramic disc (47 or may say 470)

2 - 100pf ceramic disc (101)

2 - 470pf ceramic disc (471)

2 - .0033µ/3.3n film (332)

2 - .0068µ/6.8n film (682)

2 - .0082µ/8.2n film (822)

2 - .01µ/10n film (103) [one extra for bass mods]

3 - 0.033µ/33n film (333)

2 - 0.1µ/100n film (104)

1 - 1µ aluminum electrolytic
2 - 47µ aluminum electrolytic

2 - 100µ aluminum electrolytic

Diodes:

2 - 1N914 or 1N4148 (small orange glass with black stripe)

1 - 1N4001 (larger black plastic with silver stripe)

Trimpots:

1 - 25k (253)

Содержание Analog Chorus

Страница 1: ... 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...

Страница 2: ... question you are about to ask may already be answered Here are 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 not just It doesn t work help 2 Pic of the top side 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 sho...

Страница 3: ...INSTRUCTION INDEX Parts Checklist page 4 5 Populating the Circuit Board page 6 16 Main PCB Assembly page 17 19 Wiring page 20 23 Installing the ICs page 24 Operation Overview page 25 Schematic page 26 27 Modifications page 28 30 ...

Страница 4: ...own black black orange brown 1 150k brown green black orange brown 1 220k red red black orange brown 2 330k orange orange black orange brown 2 1M brown black black yellow brown Capacitors 1 47pf ceramic disc 47 or may say 470 2 100pf ceramic disc 101 2 470pf ceramic disc 471 2 0033µ 3 3n film 332 2 0068µ 6 8n film 682 2 0082µ 8 2n film 822 2 01µ 10n film 103 one extra for bass mods 3 0 033µ 33n fi...

Страница 5: ...el mounted pot 2 B100k linear depth rate knobs IC s 1 4558 1 3102 1 3207 1 TL022 4 DIP 8 socket Transistors 4 2N5088 Hardware 1 drilled enclosure w 4 screws 1 byoc Analog Chorus PCB 1 3PDT footswitch 2 knobs 1 AC adaptor jack 1 mono jack 1 stereo jack 1 red LED hook up wire ...

Страница 6: ...Populating the Circuit Board ...

Страница 7: ...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 two small orange 1N4148 diodes go in the space highlighted in red ...

Страница 8: ... confuse them with the 4k7 or 47k resistors BASS MOD The 33k resistors highlighted in green and yellow are the resistors you would want to change if you are building this for bass guitar Use a 47k resistor in the space highlighted in green Use a 22k resistor in the space highlighted in yellow These two resistors control the wet dry mix This mod allows for slightly more dry signal and slighly less ...

Страница 9: ...t 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 You will never solder the chips Installing the chips or IC s into the socket will be explained in the Installing the ICs portion of the instructions ...

Страница 10: ...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 ...

Страница 11: ... a 01uf 10n cap in the space for the 33n cap highlighted in yellow This will cause one of the high pass filters to cut more of the low frequencies out of the wet signal This may seem counterintuitive considering that this is a modification for bass but it is important in creating a distinction between the wet and dry signals ...

Страница 12: ... your trimpot will be able to fit into the PCB so do not let this confuse you SETTING THE TRIMPOT After you complete your chorus build you will need to set the internal trimpot While the pedal is engaged and plugged into an amplifier turn the trimpot until you hear the effect turn on Carefully adjust it further so that you get the cleanest least distorted signal possible ...

Страница 13: ...Step 7 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 ...

Страница 14: ... 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 ...

Страница 15: ...n 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 Remember the red wire goes in the hole and the black wire goes in the hole ...

Страница 16: ...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 Solder a piece of wire to each of the eyelets on the PCB Load the wires in from the top and solder on the bottom of the PCB ...

Страница 17: ...re 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 ...

Страница 18: ... or solder side is up Insert the two B100k rate depth potentiometers 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 The longer lead goes in the hole of the square solder pad ...

Страница 19: ...hem with your fingers You do not want them very tight yet Be sure to keep your hand on the PCB so that it does not fall off the PC mounting posts of the pots and toggle switch 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 and toggle switch about 2mm just to make sure that the back of the PCB does not short out against that pots Ma...

Страница 20: ...older terminal for the tip does not short out against the enclosure 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 ...

Страница 21: ...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 vertical ...

Страница 22: ... 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 lug eyelet 5 Cut 1 x 1 5 peice of wire Strip 1 8 of one end Strip 1 2 off the other end This will be used to connect lug eyelet 4 The longer stripped end will be used to jumper lug 4 to 9 ...

Страница 23: ...ootswitch Step 6 Insert the other remaining ends of the pre cut and pre stripped wires into the topside of the PCB and solder You can can solder these on the topside as well It is easier this way but you may burn a small amount of the PVC coating on the wires This is purely asthetic and won t damage the wires in anyway But you can avoid this by removing the PCB assembly and footswitch from the enc...

Страница 24: ...Installing the IC s and Finishing Up Don t forget to adjust your trimpot Then put the cover on the enclosure and apply the bumpers to the cover is you like to use them ...

Страница 25: ...metimes called Speed or Frequency Controls how fast the vibrato of the chorus bends pitch up and down 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 Current Draw 8 5mA Input Impedance 330k ohms Output Impedance 100k ohms ...

Страница 26: ...Go to the next page for low res schematic Click here or go to www buildyourownclone com chorusschematic pdf for hi res schematic ...

Страница 27: ......

Страница 28: ...ount of dry signal level mixing into the output buffer Lowering the resistance will increase the levels Increasing the resistance will lower the levels The total resistance between the two resistors should be somewhere between 65k 70k to maintain the overall volume level of the pedal If you wanted to increase the overall volume of the pedal the lower the total resistance If you wanted to lower the...

Страница 29: ...dd a 47k resistor on one end of the pot as a limiting resistor Faster or Slower LFO The 100n 1uf cap highlighted in yellow controls the min max speed of the Low Frequency Oscillator LFO Using a larger value will make the LFO go slower but will also reduce its max speed Using a smaller value will make the LFO go faster but will also increase its minimum speed A possible mod would be to put 3 capaci...

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