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Heathkit SB-1000 - Page 47

Heathkit SB-1000
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Heathkit
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Connect
the
free
end
of
the
orange
wire
coming
from
the
ALC/power
circuit
board
to
relay
K1
lug
2
G-2).
;
edforerag.
spe
‘
Connect
the
free
end
of
the
gray
wire
coming
from
the
ALC/power
circuit
board
to
control
R2
lug3
(S-1).
Connect
the
free
end
of
the
blue
wire
coming
from
the
ALC/power
circuit
board
to
relay
K1
lug
6
(S-2).
Cut
a
1-1/4"
length
of
medium
bare
wire.
Then
connect
the
wire
between
relay
K1
lugs
5
(S-1)
and
1
(S-1).
C4:
Cut
both
leads
of
a
27
pF
ceramic
capacitor
to
3/4".
Then
connect
the
capacitor
from
the
center
of
the
large
bare
wire
that
is
connected
between
relay
lugs
5
and
1
(S-1)
to
the
bottom
solder
lug
at
CA
(S-1).
Route
the
free
end
of
the
long
orange
wire
coming
from
the
meter
circuit
board
as
shown.
Then
connect
the
end
of
the
wire
to
socket
J5
lug
1-2).
Connect
either
single
yellow
wire
coming
from
the
meter
circuit
board
to
the
eyelet
of
terminal
strip
SG
lug
1
(S-1).
Route
the
remaining
single
yellow
wire
coming
from
the
meter
circuit
board
out
through
the
indicated
opening
in
the
front
subpanel.
It
will
be
connected
later.
Route
the
two
twisted
pairs
of
wires
out
through
the
indicated
opening
in
the
front
subpanel.
They
will
be
connected
later.
NOTE:
When
you
install
the
lamps
in
their
clips
in
the
following
steps,
be
sure
to
position
each
lamp
as
shown
in
the
Pictorial.
J
J
PL1:
Push
a
lamp
into
the
lamp
clip
at
SA.
Then
connect
one
lead
to
terminal
strip
SG
lug
1
(NS)
and
the
other
lead
to
the
eyelet
in
its
mounting
foot
(NS).
PL2:
Shorten
both
leads
of
a
lamp
to
4”
and
prepare
the
ends.
Push
the
lamp
into
the
lamp
clip
at
SB.
Then
connect
one
Icad
to
terminal
strip
SG
lug
1
(NS)
and
the
other
lead
to
the
eyelet
in
its
mounting
foot
(NS).
ob
b
Page
49
PL3:
Similarly
shorten
both
leads
of
a
lamp
to
4”
and
prepare
the
ends.
Push
the
Jamp
into
the
lamp
clip
at
SC.
Then
connect
one
lead
to
terminal
strip
SG
lug
1
(NS)
and
the
other
Icad
to
the
eyelet
in
its
mounting
foot
(NS).
PL4:
Push
a
lamp
into
the
lamp
clip
at
SD
(do
not
shorten
the
leads).
Then
connect
one
lead
to
terminal
strip
SG
lug
1
(S-4)
and
the
other
lead
to
the
eyelet
in
its
mounting
foot
(S-4).
Refer
to
Pictorial
6-16
while
you
perform
the
following
steps.
Refer
to
Detail
6-16A
and
use
a
cable
clamp,
#6
lockwasher,
and
6-32
nut
to
secure
all
of
the
wires
and
cables
to
the
center
panel
at
CD.
NOTE:
Include
the
large
red
wire
coming
through
the
cutout
in
the
bottom
of
the
center
panel.
The
free
end
of
this
wire
will
be
connected
later.
()Y
Similarly,
use
a
cable
clamp,
#6
lockwasher,
and
6-32
nut
to
secure
all
of
the
wires
and
cables
to
the
main
chassis
at
SU.
,
Dress
all
of
the
wires
and
cables
inside
the
chassis
as
neatly
as
possible.
Then
install
cable
ties
around
all
of
the
wires
and
cables
in
the
six
locations
shown
on
the
Pictorial.
Cut
off
the
excess
cable
ties.
Refer
to
Pictorial
6-17
while
you
perform
the
follow-
ing
steps.
¢
Refer
to
Detail
6-17A
and
use
6-32
x
1/4”
screws
and
#6
lockwashers
to
mount
five
4-1/2"
tapped.
spacers
to
the
main
chassis
at
BT,
BU,
BV,
BW,
and
BX.
Refer
to
Detail
6-17B
and
use
a
6-32
x
1/4"
screw
and
a
#6
solder
lug
to
mount
a
4-1/2"
tapped
spacer
to
the
main
chassis
at
BY.
Be
sure
to
position
the
solder
lug
as
shown
in
the
Pictorial
before
you
tighten
the
hardware.
Connect
the
free
end
of
the
black
wire
coming
from
the
meter
circuit
board
to
solder
lug
BY
1).
(ar
Set
the
filter
circuit
board
into
the
chassis
as
shown
in
the
Pictorial
(note
the
location
of

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