Elenco Electronics TCT-255K, Сборка и инструкция по эксплуатации

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Figure J
Insert the IC socket into the PC board with the
notch in the direction shown on the top
legend.
Solder the IC socket into place.
Insert the IC into the socket with the notch in
the same direction as the notch on the socket.
-10-
PARTS LIST - SECTION C
RESISTORS
Qty. Symbol Description Color Code Part #
1 R11 680k
W
5% 1/4W blue-gray-yellow-gold 166800
1 R10 1.2M
W
5% 1/4W brown-red-green-gold 171200
CAPACITORS
Qty. Symbol Value Description Part #
1 C1 .001
m
F Discap (102 or .001) 231035
SEMICONDUCTORS
Qty. Symbol Value Description Part #
1 U1 4017 Integrated Circuit (IC) Decade Counter 334017
MISCELLANEOUS
Qty. Symbol Description Part #
1 U1 Socket IC 16-pin 664016
SECTION C
Step Pulses with Counter
PARTS IDENTIFICATION
Resistor Integrated Circuit (IC) Capacitor IC Socket 16-pin
102
ASSEMBLE THE FOLLOWING COMPONENTS TO THE PC BOARD
In all of the following steps
the components must be installed on the top legend side of the PC board. The
board is turned to solder the component leads on the foil side.
U1 - 16-pin IC Socket
U1 - 4017 IC Decade Counter
(see Figure J)
R10 - 1.2M
W
5% 1/4W Resistor
(brown-red-green-gold)
(see Figure A)
R11 - 680k
W
5% 1/4W Resistor
(blue-gray-yellow-gold)
(see Figure A)
C1 - .001
m
F Discap
(102 or .001)
Notch
Notch
Marking