Heathkit HW-12 - Page 28

Page 28
(:/)
Two
brown-
white
to
pin
7
of
the
Power
plug
q
(S-3).
Make
sure
all
three
wires
are
solder-
;
ed,
(i)
ot
gray-white
to
pin
5
of
the
Power
plug
S-1).
(
HW
The
other
gray-white
to
Pin
8
of
the
Power
/Plug (S-1).
¢
a .
v
©
pin
4
of
the
Power
plug
(/
)
Check
to
see
that
all
wires
clear
the
screw
Live
CUT
an
ty
yee
aN
be
ee
Res
Sse
CE
UW
gaye
Detail 145
(
)
Locate
the
output
transformer
(#51-55).
Re-
ferring
to
Detail
14B,
cut
the
indicated
black
lead
to
1-1/2"
and
the
red
lead
to
4.1/2",
Strip
3/4"
of
insulation
from
the
red
lead
and
1/4"
of
insulation
from
the
black
lead,
Melt
a
small
amount
of
solder
on
the
exposed
lead
ends
to
hold
the
wire
strands
together,
T4,
Again
referring
to
Detail
14B,
install
the
output
transformer
at
location
T4
onthe
Chassis,
Use
6-32
x
1/4"
screws,
a
#6
Solder
lug,
a
#6
lockwasher,
and
6-32
nuts.
Position
the
solder
lug
as
shown,
-—,
<—
=
nant 12.
Con U
the
output
transformer
leads
as
follows:
(
,)
Short
black
to
the
solder
lug
at
the
trans-
former
(NS),
‘es
QA Lon
\
vs
S0ng
black
to
lug
2
of
the
Spkr
socket
(S-1),
o
lug
3
of
the
Power
plug
(8-2),
©
terminal
P
in
section
4C
(S-1),
(\/)
Green-green-white
to
terminal
25
in
section
a
5C
(9_1)
(
Y
Green
to
terminal
5
in
Section
5C
(8-1),
Wf
Red
to
terminal
2
in
section
5C
Sm
({)
Connect
the
shield
of
the
shivided
“7
a)
Orange
to
terminal
3
in
section
4B
(S
j
(¢)
Violet
to
terminal
7
in
section
4C
(S.1)
(4
Blue
to
terminal
6
in
section
4C
(S-1),
Vv
with
the
marked
end
(red
dot,
Stripe,
or
tape)
to
Jug
1
(8.3)
and
the
inner
lead
to
lug
2
(8,4)
of
the
Revr
socket,
(\)
Connect
the
shield
of
the
other
shielded
|
cable
to
lug
1
(S-1)
and
the
inner
lead
|
ar
wiC
inner
lead
to
lug
2
(S-1)
of
the
Ant
socket,
a
(V)
Yellow-white
to
lug
2
of
the
Ext
Relay
socket
(S-2),
i
Refer
to
Detail
14C
for
brewiring
the
relay
¢
the
cable
assembly,
Setting
the
chassis
up
on
its
side
will
make
the
relay
Wiring
easier,
To
prevent
damage
to
the
contacts
and
springs
of
the
relay,
it
should
be
picked
up
only
by
its
Sides,
Do
not
bend
the
relay
lugs,
>
&
(yp
Strip
1/2"
insulation
from
one
end
and
1/4"
insulation
from
the
other
end
of
a
2-1/2"
length
of
hookup
wire,
Pags
the
1/2"
stripped
end
through
lug
8
(S-2)
to
lug
9
(S-1)
of
the
relay,
The
other
end
of
this
{
Wire
will
be
connnected
later,
/
(y
—
Connect
the
inner
lead
of
the
Shielded
cable
from
BO#4
to
lug
10
of
the
relay
(S-1).
|
The
shield
will
be
connected
later,
Connect
the
cable
assembly
wires
from
BO#5
to
the
irelay
as
follows:
~es
—
<=
be
—_
—
Oo
&
o
1)
&
uF}
oJ
-—~
ta
i
rary
7