9
Construction
C6 :
10µF
C7 :
100µF
13. Electrolytic Capacitors.
Watch the polarity !
SK1 : 2p
SK2 : 2p
16. Pin headers
T1 : BC5
57
B
T2 : BC5
4
7B
10. Transistors
C...
Power indication, make your
choice as you prefer:
LD17 : 3mm green clear
OR
3mm red
11. LED. Watch the polarity!
LD1
CATHODE
X1 : 4MHz
12. Quartz crystal
X...
RY1 : VR15M121C
14. Relay
RY...
15. IC's. Watch the position
of the notch!
IC1 : VK8046
Programmed PIC16C55A-04 ! or eq.
IC2 : ULN2803
PIN 1
1
SK1
SK2
27mm
Содержание K8046
Страница 2: ......
Страница 22: ...22 Testing the circuit A B 1 2 3 4 Connect 9 to 12Vdc 300mA between GND and VA or VB 7 Testing the circuit ...
Страница 35: ...35 Mounting the keyboard WALL MOUNTED Fig 23 ...
Страница 36: ...36 FLUSH MOUNTED Max diameter 8mm 138mm x 85mm x min 40mm 5 4 x 3 3 x 1 6 Fig 24 Mounting the keyboard ...
Страница 37: ...37 PANEL MOUNTED Mounting the keyboard Fig 25 ...
Страница 45: ...45 19 PCB layout PCB ...
Страница 46: ...46 PCB ...