Velleman-Kit K2649, Illustrated Assembly Manual

Page: 7 / 28

7
Construction
C3 : 100nF (104)
7. Ceramic capacitor.
T1 : BC557B
8. Transistor.
J1 : Mains.
J4 : “ES” Economy switch.
J2 :
For heaters use the contacts :
‘C’ & ‘NO’ .
For coolers use the contacts :
‘C’ & ‘NC’ .
The connection side of the
connectors must point to the
PCB-opening!
12. Terminal blocks.
RV4 : 10K
9. Horizontal trimmer
R...
C10 : 1µF/63V
10. Capacitor
RV5 : 4M7 (5M)
11. Vertical trimmer
RV...