Heathkit HW-9 - Page 19

Heathkit
Page 1
9
Solder the leads to the foil and cut off the ex-
cess lead lengths.
nstall
components in
Section
10 of the circuit board
as follows:
R154: 47
kfl (yel-viol-org) resistor.
R155: 270 fl (red-viol-brn)
resistor
C212:
.01 jjlF
(103)
glass ceramic capacitor.
D122: BA-244 (red-yel-yel,
#56-646) diode.
D124: BA-244 (red-yel-yel, #56-646)
diode.
R169: 6800 fl (blu-gry-red) resistor.
SkipDl26.
R123: 220 H (red-red-brn) resistor.
D128: BA-244 (red-yel-yel, #56-646) diode.
Skip D131.
R168:
6800 ft (blu-gry-red) resistor.
D133:
BA-244
(red-yel-yel,
#56-646)
diode.
R124: 220 fl
(red-red-brn) resistor.
Skip
D135
and D137.
D141: 1N4149 (#56-56)
diode.
C209: .01 \lF
(103)
glass
ceramic capacitor.
R152: 100 kfl (brn-blk-yel) resistor. NOTE
Mount this
resistor vertically.
D142: 1N4149
(#56-56)
diode.
Solder the leads to
the foil and
cut
off the ex-
cess lead lengths.
Refer
to
Pictorial
1-2
(Illustration Booklet,
Page
3)
for the following
steps.
. parts
NOTE
strips.
NOTE: When a step directs
you to install a PCB
pin
in a circuit
board, push the shorter
end of the pin
as far as possible into
the circuit board hole.
Then
turn the circuit board
over and solder the
pin to the
foil.
SOLDER
SOLDER
FOIL
SIDE
OF
CIRCUIT
BOARD
(
)
PCB pin at RF.
(
)
PCB pin at METER.
NOTE: When
a step
directs
you to
install
a wire
socket in
a
circuit board, push the tapered end of
the socket as far as possible into the circuit board
hole.
Then turn
-the
circuit
board
over
and solder
the
socket
to
the foil. Try not
to
fill the
socket
with
solder.
WIRE SOCKET
TAPERED
END
RIDGE
FOIL
SOLDER
(
)
Wire socket
at TP101.