Velleman High-Q Velleman-kit K8023, Illustrated Assembly Manual

Page: 7 / 20

7
Assembly of the receiver PCB : P8023S
Construction
D7 : 1N4007
1. Diode. Watch the polarity!
D...
CATHODE
R16 : 1K (1 - 0 - 2 - B)
R17 : 4K7 (4 - 7 - 2 - B)
R18 : 10K (1 - 0 - 3 - B)
R19 : 10K (1 - 0 - 3 - B)
R20 : 10K (1 - 0 - 3 - B)
R21 : 10K (1 - 0 - 3 - B)
R22 : 10K (1 - 0 - 3 - B)
R23 : 10K (1 - 0 - 3 - B)
R24 : 10K (1 - 0 - 3 - B)
2. Resistors
R...
R25 : 10K (1 - 0 - 3 - B)
R26 : 10K (1 - 0 - 3 - B)
R27 : 10K (1 - 0 - 3 - B)
R28 : 220 (2 - 2 - 1 - B - 9)
IC4 : 18p
3. IC socket, Watch the po-
sition of the notch!
C10 : 15pF (15)
C11 : 15pF (15)
C12 : 100nF (104)
C13 : 100nF (104)
4. Capacitors
LD12 : 3mm RED
5. LED. Watch the polarity !
COLOR= 2...5
LD...
CATHODE
LD .
..
T2 : BC547B
6. Transistor
VR2 : UA78L05
7. Voltage regulator
VR...