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Main PCB assembly
1.
Solder all resistors
2.
Solder all five IC sockets
3.
Solder the non elecrolytic capacitors
4.
Solder the 2 x BC547 and the 78L05
–
watch the polarity!
5.
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.
6.
Solder all electrolytic capacitors
7.
Cut male headers to size and solder them into place. Make sure that they stick out of
the bottom of the PCB.