Heathkit HW-9 User Manual

(
)
T403:
6.5 u.H
toroid
coil (#40-2118).
Be sure
the
twisted
pair
of leads go
into the
hole that
is inside
the
outline on
the circuit
board
(labeled
3,4),
and the
single leads
go into holes
1 and
2 as
shown.
T403
40-2
1
18
SINGLE
LEAD
SINGLE
LEAD
TWISTED
PAIR
»
.
»
«
)
SkipL415.
)
L413:
.71 uH
coil
(#40-2073).
)
Skip L411.
)
L408:
.9 u-H
coil (#40-2072).
)
Skip L417, L416,
and L414.
)
L412: .71 \iH
coil (#40-2073).
)
Skip L409.
)
L407:
.9 |xH coil (#40-2072).
nstall parts in
Section 2 of the
circuit
board
as
fol-
ows:
)
L433: 3
fxH
toroid coil (#40-2112).
)
L435: 1.8 jxH
toroid coil (#40-2113).
)
L434: 1.8 u-H
toroid coil (#40-2113).
)
L432: 3 jxH
toroid coil
(#40-2112).
)
L431:
3
\xH toroid coil (#40-2112).
(
)
Install two
5/16"
x
5/16"
ferrite beads on a
1-1/2"
large bare
wire at
FB-FB.
Use
pliers to
bend the wire to
fit the
circuit board holes.
)
Skip
L406.
)
L404:
3 uH
coil
(#40-2070).
)
L402: 13
coil (#40-2069)
)
Skip L405.
)
L403: 3
fxH
coil (#40-2070).
)
SkipT401.
)
L401: 13 jjlH
coil (#40-2069).
Install parts in
Section
3
of the
circuit board as fol-
ows:
)
U401:
Double-balanced mixer (#150-72).
Be
sure pin 1
(marked with a
blue dot) goes into
hole 1 in the
circuit board as
shown on the
Pictorial.
PIN
1
(
)
T301: 10.7 MHz transformer
(#52-193).
Install
parts in Section 4
of the circuit board
as fol
lows:
(
)
FL301:
8.830 MHz
crystal filter
(#404-640).
NOTE: Disregard
any In and
Out
printing
that
may
be
on
your filter. The filter
can
be in-
stalled either
way in the circuit
board.
(
)
T302:
10.7 MHz transformer
(#52-193).

Heathkit HW-9 Specifications

General

Brand	Heathkit
Model	HW-9
Category	Transceiver
Language	English