Velleman K4401 - K4401 Component Installation: Potentiometers, Switches, Connectors; K4401 PCB Pins and Trim Potentiometer Installation; K4401 Push Buttons and Potentiometer Axe

7
IC1: VK4401
Programmed PIC16C55A
Construction
13. IC Watch the polarity !
12. Push buttons
OUT +
OUT -
LS +
LS -
+9V
-9V
9. PCB - pins
RV1 : 47K
10. Trim potentiometer
C5 : 1µF

C6 : 47µF

C7 : 47µF

C8 : 100µF
11. Electrolytic Capacitors.
Watch the polarity !
C...
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
SW9
SW10
Fit the potentiometer axe.
14. Axe.