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Bill of Materials 

 

You will notice that all of the components listed below are also hyperlinks to where we buy 
each specific part from. You can also use the hyperlinks to find out more about what each 
component looks like. If you want to know even more, 

Google

 is your friend.  

 

330R x 4 
1K x 6 
10K x 6 
15K x 2 
22K x 6 
33K x 4 
47K x 10 
56K x 4 
100K x 8 
150K x 2 
560K x 2 
 

All resistors ¼ watt 
metal film. 

 

1uF x 2

 

10uF x 2 
47uF x 4

 

 

TL072 x 3

 

 

BC547 x 14

 

 

BC557 x 6

 

 

3mm red LED x 2 

 

1N4148 x 12 

 

8 pin IC socket x 3

 

 
 

A500K x 2

 

A1M x 4

 

B100K x 2 

 

 

SPDT toggle x 2

 

 

3.5mm socket x 6 
 
Male header

 

(cut to size) 
 

Female header

 

(cut to size) 
 

Power header x 1 
 
Knobs x 8 

 

 
 
 

 

 
 
 
 
 
 

Содержание SYSTEM X DUAL ADSR

Страница 1: ...ttom of PCB Bottom of PCB Key to PCB screen print n This signifies NPN BC547 transistors Note the correct pinout as shown by the half circles p This signifies PNP BC557 transistors Note the correct pinout as shown by the half circles LED The shorter leg goes through the square pad Please observe the correct polarity for all ICs diodes and electrolytic capacitors ...

Страница 2: ...ke If you want to know even more Google is your friend 330R x 4 1K x 6 10K x 6 15K x 2 22K x 6 33K x 4 47K x 10 56K x 4 100K x 8 150K x 2 560K x 2 All resistors watt metal film 1uF x 2 10uF x 2 47uF x 4 TL072 x 3 BC547 x 14 BC557 x 6 3mm red LED x 2 1N4148 x 12 8 pin IC socket x 3 A500K x 2 A1M x 4 B100K x 2 SPDT toggle x 2 3 5mm socket x 6 Male header cut to size Female header cut to size Power h...

Страница 3: ...larity 4 Solder the box power header Make sure the notch lines up with the screenprint legend If in doubt have a look at a power cable and make sure when inserted into the header the red stripe lines up with the 12V screenprint 5 Solder both electrolytic capacitors 6 Cut the male header to size and solder into place Make sure that they stick out of the bottom of the PCB ...

Страница 4: ...and solder them into place Make sure that they stick out of the bottom of the PCB Troubleshooting Not all DIY builds work first time The vast majority of build issues are down to soldering inconsistencies This is far more likely than a bad IC for example The first step of successful troubleshooting should always be to reflow all soldering to eliminate any dry joints bad connections or solder bridg...

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