4. Assembly
a) PCB Assembly
Start the assembly by mounting the jumper wires and resistors. The components codes are printed on the PCB:
Part ID
J1~16
R16~19
R1/4~7/12~15
R8~11
R2/3
Mount the capacitors, transistors and diodes next:
Part ID
C7
C1~6
EC1~3
EC4
Q5~8
Q9~12
Q1~4
D1~4/7/8
Mount the IC sockets, the battery connector, the slide switch, the pins and the ICs.
Part ID
IC1
IC2~6
BAT.
SW.
M1 (+/-)
M2 (+/-)
IC1
IC2/3
IC4~6
Mount the pin headers on the main PCB and a pin header and the tactile switches on the small PCB:
Part ID
TJ1~3
MOVEMENT 1/2
To down board
REMARK:
Touch B
SW1/2
KSR5
Description
jumper wire
brown/black/black/gold
10Ω
10K
brown/black/orange/gold
22K
red/red/orange/gold
1M
brown/black/green/gold
Description
ceramic capacitor 103
ceramic capacitor 104
electrolytic capacitor 0.47µ f
electrolytic capacitor 10µ f
transistor C945
transistor 8050
transistor 8550
diode 1N4004
Description
8 pins IC socket (fig.1 #16)
16 pins IC socket (fig.1 #14)
battery connector (fig.1 #11)
slide switch (fig.1 #21)
pins (fig.1 #18)
555 (8 pins)
74LS109AP (16 pins)
74HC157AP (16 pins)
Description
pin header 2 pins (fig.1 #10)
pin header 2 pins (fig.1 #8)
female header
tactile switch
2
Colour Code
n.a.
Fig. 3
Quantity
16
4
9
4
2
Quant.
1
6
3
1
4
4
4
6
Quant.
1
5
1
1
4
1
2
3
Quantity
11
1
1
2
VELLEMAN