Velleman projects K6501 Assembly instructions - Manual (Page 8)

8
 IC1 : 4N35
 IC2 : HT9170
 IC3 : VK6501
VK6501=(Programmed PIC16C55A-04)
 Pay attention to the position
of the notch!
22. IC mounting
PIN 1
1
 C16 : 470µF
18. Electrolytic capacitor.
Watch the polarity !
C...
 C17 : 0.47µF / 250V
19. Capacitor
 VR1 : UA7805

Check the orientation !
20. Voltage regulator
VR...
Construction
 RY1 : VR10V121C (1p/12VDC)
 RY2 : VR10V121C (1p/12VDC)
21. Relays
RY... RY...