Pcb Assembly - Velleman KSR3 Manual

5. Assembly
a) PCB Assembly
Start the assembly by mounting the resistors. The names of all components have been printed on the PCB. Consult
the table below :
Part ID
R11
R12/17
R13/16
R1
R4/9/10/15
R6/8
R2/3/5/7
R14
Mount the diode, the IC, the slide switch and the variable resistor next. Consult the table below :
Part ID
D1
IC1
SW
VR
Mount the transistors and the capacitors.
Part ID
Q4/5
Q3/6
Q8
Q1/2/7
C2/3
C1
EC1/2
EC3
MR + -
ML + -
3V + -
9V + -
Mount the IR diode & the phototransistor. Respect the polarity indications!
Part ID
IR
PTR
Mount the black cap onto the phototransistor :
KSR3
Description.
brown/black/black/gold
10Ω
brown/green/black/gold
15Ω
brown/black/brown/gold
100Ω
1K brown/black/red/gold
4.7K yellow/violet/red/gold
10K brown/black/orange/gold
120K brown/red/yellow/gold
1.8M brown/grey/green/gold
Description
diode IN 4148
IC LM324N
slide switch
variable resistor (VR) 50K
Description
transistor 8050
transistor 8550
transistor A733
transistor C945
ceramic capacitor 104
ceramic capacitor 331
electrolytic capacitor 100uf
electrolytic capacitor 4.7uf
Description
3
Colour Code
pins
Quantity
1
2
2
1
4
2
4
1
Quant.
1
1
1
1
Quant.
2
2
1
3
2
1
2
1
8
Quant.
1
1
VELLEMAN