6
R1 : 390
(3 - 9 - 1 - B)
R2 : 390
(3 - 9 - 1 - B)
R3 : 390
(3 - 9 - 1 - B)
R4 : 390
(3 - 9 - 1 - B)
R5 : 47K
(4 - 7 - 3 - B)
R6 : 47K
(4 - 7 - 3 - B)
R7 : 1M
(1 - 0 - 5 - B)
2. Resistors
R...
Construction
D1 : 1N4148
D2 : 1N4148
D3 :
1N4007
D4 :
1N4007
D5 :
1N4007
D6 :
1N4007
1. Diodes. Watch the polarity!
D...
CATHODE
C1 : 100nF (104, u1)
C2 : 100nF (104, u1)
4. Capacitors
IC1 : 8P
3. IC sockets, Watch the
position of the notch!
T1 : BC547
T2 : BC547
5. Transistors
VR1 : UA78L05
6. Voltage regulator
VR...
SW1 : Select
7. Push button
Summary of Contents for K8070
Page 2: ......
Page 14: ...14 22 Schematic diagram Schematic diagram ...
Page 15: ...15 PCB 23 PCB ...
