Elenco DataCom Tester Kit - Manual (Page 9)

PARTS LIST - SECTION B
RESISTORS
Qty. Symbol Description Color Code Part #
r 1 R13 18kΩ 5% 1/4W brown-gray-orange-gold 151800
r 1 R14 100kΩ 5% 1/4W brown-black-yellow-gold 161000
CAPACITORS
Qty. Symbol Value Description Part #
r 1 C3 1µF Electrolytic Radial 261047
SEMICONDUCTORS
Qty. Symbol Value Description Part #
r 1 U5 555 Integrated Circuit (IC) 555 Timer 330555
MISCELLANEOUS
Qty. Symbol Description Part #
r 1 U5 Socket IC 8-pin 664008
SECTION B
Oscillator
PARTS IDENTIFICATION
-8-
Resistor Integrated Circuit (IC) Electrolytic IC Socket 8-pin
Figure I
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.
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.
R13 - 18kΩ 5% 1/4W Resistor
(brown-gray-orange-gold)
(see Figure A)
R14 - 100kΩ 5% 1/4W Resistor
(brown-black-yellow-gold)
(see Figure A)
C3 - 1µF Electrolytic Radial
(see Figure G)
U5 - 8-pin IC Socket
U5 - 555 IC Timer
(see Figure I)
Notch
Notch
Marking