Elenco Electronics TCT-255K, Assembly And Instruction Manual

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PARTS LIST - SECTION A
RESISTORS
Qty. Symbol Description Color Code Part #
2 R12, R17 1k
W
5% 1/4W brown-black-red-gold 141000
1 R16 5.6k
W
5% 1/4W green-blue-red-gold 145600
1 R15 12k
W
5% 1/4W brown-red-orange-gold 151200
1 R9 3.3M
W
5% 1/4W orange-orange-green-gold 173300
CAPACITORS
Qty. Symbol Value Description Part #
1 C2 22
m
F Electrolytic Radial 272244
SEMICONDUCTORS
Qty. Symbol Value Description Part #
1 D17 1N4001 Silicon Diode 314001
1
*
1N4736 Zener Diode 6.8V 1W 314736
1 D18 1N5235 Zener Diode 6.8V 0.5W 315235
2 Q2, Q3 2N3904 Transistor NPN 323904
1 Q1 2N3906 Transistor PNP 323906
1 D19 LED Red 350003
1 U4 40106 Integrated Circuit (IC) Hex Inverter 330106
MISCELLANEOUS
Qty. Symbol Description Part #
1 PC Board Tester TCT-200 517041
1 SW1 Switch Push Button DPDT 540203
1 Battery 9V 590009
1 Battery Snap 9V 590098
1 Spacer 624018
1 U4 Socket IC 14-pin 664014
1 Tubing #20 1/2” 890020
1 Solder 9ST4
* Packaged in a separate bag, used for testing only.
SECTION A
Power Supply
PARTS IDENTIFICATION
Integrated Circuit (IC)
-5-
Resistor Diodes Electrolytic Transistor LED
IC Socket 14-pin
PC Board (Tester)
Switch Push Button
Epoxy
Zener
Battery Snap Spacer
Tubing