Heathkit SB-1000 - Page 36

Page 38
ow
Cut a 1" length of large bare wire. Then connect
the wire from the bottom hole in the solder lug
at barrier strip RD lug 1 (S-1) to the bottom
hole in the solder lug at lug 2 (S-1). Make mech-
anically secure connections.
Prepare a 4" medium black stranded wire and a
1-1/2" medium black stranded wire.
Connect a 4" medium black stranded wire from
interlock SW4 lug 3 (S-1) to terminal strip RE
lug 2 (NS). Make a mechanically secure connect-
ion.
Connect a 1-1/2" medium black stranded wire
from terminal strip RE lug 1 (NS) to relay K2
lug 5 (S-1). Make a mechanically secure connect-
ion.
IMPORTANT: Before you continue, be sure to read
“Power
Considerations"
on
Page
60
and
determine
whether
you
will
operate
your
Linear
Amplifier
from a 120 VAC or a 240 VAC power source. Then
procced
with
the
steps
in
one
of
the
following
boxes.
120 VAC WIRING
Referxto
Detail
6-2B
while
you
perform
the
next
four
steps.
i)
Prepare a 1-1/2” medium black stranded
wire, *
Connect the 1-1/2" medium black stranded
wire between terminal strip RE lugs 1 (S-3)
and 2 ($3). Make
connections.
Prepare two 2" large black stranded wires.
Remove
3/8"
of
insulation
from
both
ends
of
each wire. N.
Form
a
hook
in
each
end
of
a
2"
ge
back
stranded
wire.
Then
connect
t
wire
between screws 2 and 3 of barrier strip RD.
Form
a
hook
in
each
end
of
a
2"
large
black
stranded
wire.
Then
connect
the
wire
between
screws
4
and
5
of
barrier
strip
RD.
Heathkit
() Refer to inset drawing #3 on the Pictorial
and use a fuseholder cap to_itGtall a 15-
ampere fuse in each of the~fuseholders at
Fl and F2. f
Carefully peel away the~backing paper
from the blue and white label. refer
to Detail 6-2C and press the label onto the
pearl so it covers up the 240 VAC
lettering on the rear panel.
240 VAC WIRING
Refer to Detail 6-2D while you perform the
next three steps.
&
Solder
the
wires
at
terminal
strip
RE
lugs
1(S-2)
and
2
(S-2).
W Prepare a 2" large black stranded wire.
P: rs
Remove 3/8" of insulation from each end.
Form a hook in each end of the 2" large
black stranded wire. Then connect the
wire between screws 3 and 4 of barrier
strip RD.
Refer to inset drawing #3 on the Pictorial
and use a fuseholder cap to install a 10-
ampere fuse in each of the fuseholders at
Fl and F2.
Carefully peel away the backing paper
from the blue and white label. Then refer
to Detail 6-2E and press the label onto the
rear panel so it covers up the 120 VAC
lettering on the rear panel.
Replace the line cord plug with the
proper plug as described in "Power Consi-
derations” on Page 60.
Refer to Pictorial 6-3 while you perform the follow-
ing steps.
&
Prepare
the
end
of
the
line
cord
as
shown
in
Detail
6-3A.
NOTE:
The
lugs
on
the
end
of
the
line
cord
will
not
be
needed.