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Heathkit SB-10 - Page 24

Heathkit SB-10
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i
(j)
I
t
I
(
*)
Install
3/8"
grommets
at
Gl and
G2.
(v/
)
(-d'
(Y)
(/)
Install
the
side
band reversing
switch at
RS as shown
in
Pictorial
4.
The
its
assembly
screws with
the extra nuts
and lockwashers
supplied
on
the
/?osition
of
the
flat
with
switch
full
CCW,
&s
shown.
(
4nConnect
a 1"
Iength
of #20 bare wire from
the
stator
lug
at
VC-2
(NS)
to
i
f
(
{)
Connect
a
similar
wire
from
VCl
(NS)
to
A6
(St).
i
(
{)
Cut
two
3 L/4"
Iengths
of
#20 barewire
and
two
2
L/2"
lengths
of
sleeving.
place
the
ing
on the
wires.
(
"fCqnnect
one
wire between
VC1
(S2)
and
86
(St1.
Install
the 1 KQ
carrier
balance
controls
at
CA
and
CB. Place
control ground
lug
on
control
as
shown,
form
over
the #2
lug and
cut
off
excess
lug.
Solder
lug 2
of control
to
ground
lug.
Refer to
Figure 10,
page
29.
Install
the
variable
tuning
capacitor
26-46,
at
VC
with
a 3/8,,
lockwasher
on the
bushing,
then
insert
the
shaft
at
VC. Align
the lugs
on
the front
of
the
variable
capacitor
so they'
will
not
short
to
the
sides
of holes
VCl
and
VC2.
Secure
the
capacitor
with
a 3/8" nut
and flat
washer.
Mount
a
4lug,
do
ground
terminal
strip
at
CC and
orient
as
shown
in
pictorial
4.
Mount
2 lug,
no
ground,
terminal
strips
at AA
and
at
BB.
switch mounts on
switph.
Note
the
B1
(S1).
sleev-
(*I
(
vf'
Connect
the other
wire
f
rom
VCZ
(SZ)
to
A1
(S1).
Bend
the
solder lug located
next
to A4
and
A5
so
that
the
lug touches
both
pins.
(
ff
Connect a 1/2" length
of #20 bare wire from
the
center
shield of
socket
A through the
ground
Iug
at A4
and Ab
(NS).
(
lu)
Bend
the
solder lug locateC
next
to B4
and
85
(
;
)
Connect
a
L/2'
'
lengthof
#20bare wire from
the
lug
at 84
and
85
(NS).
Cut the leads
of
a .001 mfd disc ceramic
connect
the
other
Jead'to
socket A
center
-
(/)
cut the
leads of
a .001 mfd disc ceramic
capacitor
to
s/8".
connect
one lead to
A3
(NS);
connect
the
other lead to socket A center
shield
(S3).
r'.
-
(
l/)
Repeat
these last
2 steps at socket B, using
two
more .001
capacitors.
(
l)
Remove
3/16" of insulation from
the ends
of a
3 3/4"
length
of hookup
wire. Connect one
I
end to
A9
(Sl).
Connect the other end to
E}9
(NS).
Dress
close
to chassis.
I
('{)
Strip the
ends of a
I l/4,,
length of
hookup
wire. Connectoneend
to
RSI
(S1),
and the other
/'end
to AAI
(NS).
".f./)
Connect
a 3/4" length of
#20 bare wire
between RS2
(S1)
and
RSi|
(NS).
(')
Connect one
end ot a 2l/2" length
of
hookup
wire to
RS3
(S2).
Now,
dress this lead under
the
switch to RSg
(NS)
as shown
in Pictorial
5 on
page
26.
(
\
Connect a 1 3/4" length of
#20 bare wire
with
sleeving
from
RS4
(NS)
through
RSO
(NS)
to
RS?
(NS).
Dress the Iead
around the
inside
of the mounting
post
as
shown in Pictorial 5.
Now,
solder
RS4
(S1)
and
RS6
(Sr).
Page
24
so that
the lug
touches
both
pins.
center
shield of
socket
B through the
ground
6
capacitor
to
3/8"
shield
(NS).
Connect
one
lead
to A8
(NS);

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