Elenco Electronics XK-700TK Assembly & Instruction Manual page 42

INSTALL COMPONENTS TO PC BOARD
Start Here
U9 - IC socket 14-pin
U9 - 74HC04 IC
(see Figure D)
Continue
U8 - 14-pin IC socket
U8 - 74HC04 IC
(see Figure D)
J19 - Jumper Wire
(see Figure C)
R15 - 220Ω 5% 1/4W Resistor
(red-red-brown-gold)
J22 - Jumper Wire
(see Figure C)
J21 - Jumper Wire
(see Figure C)
J20 - Jumper Wire
(see Figure C)
R18 - 1kΩ 5% 1/4W Resistor
(brown-black-red-gold)
U7 - IC socket 14-pin
U7 - 7403 IC
(see Figure D)
J24 - Jumper Wire
(see Figure C)
Figure B
Flat
Spacer
Mount with the flat side of the
LED as shown on the top
legend side of the PC board.
Figure C
Cut a piece of bare wire long
enough so that 1/4" of wire
passes through each hole in
the PC board after the wire is
formed (provided in
second package).
-41-
D25 - LED and Spacer
J27 - Jumper Wire
D24 - LED and Spacer
D23 - LED and Spacer
D22 - LED and Spacer
D21 - LED and Spacer
D20 - LED and Spacer
D19 - LED and Spacer
D18 - LED and Spacer
R19 - 1kΩ 5% 1/4W Resistor
(brown-black-red-gold)
R16 - 1kΩ 5% 1/4W Resistor
(brown-black-red-gold)
R17 - 1kΩ 5% 1/4W Resistor
(brown-black-red-gold)
IC
Socket
Insert the IC socket into the PC board
the
with the notch in the direction shown
on the top legend.
socket into place. Insert the IC into the
socket with the notch in the same
direction as the notch on the socket.
Continue
(see Figure B)
(see Figure C)
(see Figure B)
(see Figure B)
(see Figure B)
(see Figure B)
(see Figure B)
(see Figure B)
(see Figure B)
Figure D
Notch
Solder the IC