BUILDING INSTRUCTIONS
step➒
Now it’s time to take some measurements! Connect power to the PCB.
step➑
Solder potentiometers!
Check, if you have
+5V on pin 14 of all
logic ICs and on pin
16 of HCF4052B!
Check, if you have
-10V on pin 7 of
HCF4052B!
Check, if you have
+10V on R34!