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Heathkit SB-1000
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Heathkit
Section
2
©
D201:
Bridge
rectifier.
Match
the
dot-marked
(or
longer)
lead
of
the
rectifier
with
the
dot
on
the
circuit
board.
Then
start
the
leads
into
their
corresponding
circuit
board
holes.
Position
the
rectifier
1/8"
above
the
circuit
board.
Then
solder
the
leads
to
the
foil
and
cut
off
any
excess
lead
lengths.
DOT
()
204:
1000
yF
electrolytic
capacitor.
Be
sure
to
observe
the
correct
polarity.
Solder
the
leads
to
the
foil
and
cut
off
the
excess
lead
lengths.
Refer
to
Pictorial
4-3
while
you
perform
the
following
steps.
()
Reposition
the
circuit
board
with
the
foil-side-
upas
shown
in
the
Pictorial.
NOTE:
Do
not
remove
the
hardware
from
the
switch
bushing
until
a
step
directs
you
to
do
so.
Q
$W201:
Refer
to
Detail
4-3A
and
use
the
follow-
ing
procedure
to
install
the
rotary
switch:
1.
Start
the
lugs
of
the
switch
into
their
corresponding
holes
on
the
foil
side
of
the
circuit
board.
Be
sure
to
match
the
letter
@
on
the
switch
with
the
index
mark
on
the
other
side
of
the
circuit
board.
2,
Push
the
switch
down
tight
against
the
circuit
board.
Then
solder
the
lugs
to
the
foil
on
the
component
side.
(Prepare
the
following
lengths
of
solid
wire:
Three
6"
yellow
One
19”
orange
°o%
%
%
1
cncHesr
2
Page
25
One
4"
black
One
10”
blue
One
23”
gray
One
11"
red
One
25”
brown
One
21”
red
One
6"
orange
One
5-1/2"
red
One
5-1/2"
brown
NOTE:
Install
each
of
the
following
wires
on
the
foil
side
of
the
circuit
board
and
solder
it
on
the
compo-
nent
side
as
you
connect
it.
The
other
ends
of
these
wires
will
be
connected
later.
()
6"
yellow
solid
to
hole
C.
(
6"
yellow
solid
to
hole
R.
()
19"
orange
solid
to
hole
D.
()
4"
black
solid
to
hole
E.
(
10"
blue
solid
to
hole
F.
()
11"red
solid
to
hole
K.
()
6"
yellow
solid
to
hole
N.
Q
25"brown
solid
to
hole
L.
()
6"orange
solid
to
hole
M.
{)
21" red
solid
to
hole
H.
{)
23”
gray
solid
to
hole
G.
{)
Form
a
hook
in
one
end
of
the
5-1/2”
red
solid
wire.
Then
refer
to
Detail
4-3B
and
solder
the
end
of
the
wire
to
rotary
switch
SW201
lug
P.
(Forma
hook
in
one
end
of
the
5-1/2"
brown
solid
wire.
Then
refer
to
Detail
4-3B
and
solder
the
end
of
the
wire
to
rotary
switch
SW201
lug
Q.
()
Loosely
(approximately
one-turn-per
inch)
twist
together
the
6"
orange
and
yellow
wires
coming
from
circuit
board
holes
M
and
N.
()
Similarly,
loosely
twist
together
the
5-1/2"
red
and
brown
wires
coming
from
circuit
board
holes
Pand
Q.
3
4
3 6
%
a
%
te
ey
se
Tie
!
OS
+
com
2 2 4 5
.
7
2 2
1°
”
2
”
“
3

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