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Heathkit HW-12 - Page 30

Heathkit HW-12
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NOTE:
There
are
a
number
of
empty
holes
in
the
circuit
board
near
tube
sockets
V13
andV14,
which
are
not
used
in
the
80-Meter
version
of
this
Transceiver,
Refer
to
Pictorial
15
for
the
following
steps.
(fh
Referring
to
the
inset
drawing
of
Pictorial
15,
temporarily
install
a
control
solder
lug
on
the
Function
switch
(#63-330),
using
a
control
nut,
Position
the
control
solder
lug
so
it
is
on
the
side
of
the
switch
away
from
the
red
dot,
Prewire
the
Function
switch
as
follows:
«)
Strip
1"
of
insulation
from
one
end
of
a
3"
length
of
hookup
wire.
Connect
the
stripped
end
of
this
wire
between
lug 7
(S-1)
and
the
control
solder
lug
(NS).
a)
Strip
1/4"
insulation
from
the
other
end
of
“
the
wire
and
connect
it
to
lug
3
(S-1).
(iy)
Connect
the
hookup
wire
extending
from
grommet
AA,
coming
from
terminal
H
in
section
4A,
to
lug
2
(S-i).
maa
Connect
the
cable
assembly
wires
from
BUFO
to
the
Function
switch
as
follows:
_
1).
Use
‘sleeving
between
t!
the
‘two
lugs,
()yoras
to
lug
4
(S-1).
(D
Blue-
blue-white
to
lug
5
(S-1).
(
Green-white
to
lug
6
(S-1).
Y
Yellow-
yellow-
white
to
lug
11
(S-1).
V)
White
through
lug
8
(S-2)
to
lug
9
(S-1).
a)
Connect
one
end
of
the
red-white
wire
cut
from
the
cable
assembly
to
lug
10
(S-1).
The
other
end
will
be
connected
later.
W))
Connect
one
of
the
gray-white
wires
to
lug
|
<3
TIBATHEIT
RED
RED-WHT
,
$a
Sf
N
[cn
coms
\
irs
=
=
a
by
Eos
ss
PICTORIAL
15
13
(S-1)
and
the
other
gray-white
wire
to.
lug
14
(S-1).
This
completes
the
prewiring
of
the
Function
|
switch,
Check
it
carefully
for
any
errors
and;
see
that
all
lugs
are
soldered,
except
the
con-
trol
solder
lug,
a)
Remove
the
control
nut
from
the
Function
‘
switch,
Position
the
switch
in
its
mounting
hole
of
the
chassis,
Rotate
the
switch
slightly’
so
the
solder
lug
clears
the
S
Meter
Adj
|
hole
next
to
the
switch,
Press
the
wires
|
down
into
the
chassis,
See
Detail
16B
on
|
Page
32,

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