9
1
10
2
11
2
12
1
rubber ring (Ø15 x 2.5mm)
13
1
14
2
Fig. 2
4. Assembly
a) PCB Assembly
Start the assembly by mounting the resistors. The names of all resistors are printed on the PCB. Consult the table
below :
Part ID
Descr.
R10/11
15Ω
R8/9
220Ω
R1
1K
R2
2.2K
R5/12
3.3K
Mount the capacitors, transistors, VR, mic, slide switch and pins next. Consult the table below :
Part ID
C1
C2
C3
TR4/8
TR3/7
TR1/2/5/6/9
VR
KSR1
gear 36T/14T (green)
nylon pad
rubber ring (Ø30 x 3mm)
front wheel (Ø20mm)
rear wheel (Ø32mm)
Colour Code
Quantity
brown
red
brown
red
orange
223 ceramic capacitor
47uf electrolytic capacitor
1uf electrolytic capacitor
transistor C945 or (1815)
23
3
24
1
25
4
26
4
27
3
28
1
Part ID
Descr.
2
R6
22K
2
R4
47K
1
R13
100K
1
R7
1M
2
R3
2.7M
Description
transistor 8050
transistor 8550
VR 100K
2
screw (3 x 18mm)
screw (3 x 20mm)
M2 nut
M3 nut
hex post (M3 x 10mm)
round post (Ø3 x 6mm)
Colour Code
Quantity
red
1
yellow
1
brown
1
brown
1
red
1
Quant.
1
1
1
2
2
5
1
VELLEMAN