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Heathkit SB-10 - Page 25

Heathkit SB-10
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(,",/
Strip
the ends of a
4"
length
of hookup
wire. Connect
one end to RS5
(S1).
Dress
the
lead
.,under
the switch
and
close
to the
chassis
and
connect to AAZ
(NS).
($
Connect a
9" length of
hookup wire
frorn RSg
(S1)
to BB2
(NS).
(
1ltonnect
an81/2"
length
of hookup
wire
from RS10
(S1)
to BBI
(NS)'
Dress
as shown
in
'
Fictorial
5.
(.r/!
Connect a 3/4"
length
of #20
bare wire
from
RS11
(NS)
to RS12
(S1).
(Y
)
Cot
the leads of a 50Q
precision
resistor
to 3/4\'. Position
as shown
and
connect
one
end
to CC1
(NS).
Feed
the other
lead through
the eyelet of the CC terminal
strip mounting
foot
(S1).
Cut
off excess wire.
(
..4 Cut the
Ieads of a
15
KQ
(brown-green-orange)
resistor to L/2". Connect
one
lead to E}2
(NS).
Connect
the other
lead to
the
ground
lug
on socket
B near 84 and
85
(NS).
(
.f
Cot
the
leads of another
15 Ks,
(brown-green
-orange)
resistor
to l/2".
Connect
one
Iead
I
to B?
(NS).
Connect
the
other
lead to
socket B
ground
lug
(NS).
(
/
nepeat
the last 2 steps
with
15
KQ
resistors
at socket
A. Now solder
A4,
A5 and
both
-
15 Kfl resistor leads and
the
lead
from
the center
post
to the socket
A
ground lug.
NOTE:
In the
following
steps
I'BS*
indicates
the
Band Switch,
63
-
158.
A
for
example,
witl
indicate
the
second
wafer
from the
front and a
notation of
cate that
the wire or
component
is connected
to
wafer #2,
terminal #3.
(dSt"ip
the ends
of
a
2
l/8" length
of
hookup wire' Connect
one end to BSI-6
(NS).
Connect
the other
end to CC4
(NS).
(
g-
St"ip
the ends of
a 3"
length of
hookup
wire.
Connect
one end to CCf
(NS).
Leave
the other
end
free
to be
connected
later.
(vf
Cutoneleadofa
100
mmf
(brown-black-brown) mica
capacitor to 3/4".
Pass this
lead
through
CCI
(NS)
toCC2
(NS).
Now
dress
the
capacitoras shown
and solder CCl
(S3).
Donot
solder
ccz.
(
a)
Cut a
I l/8,, length of sleeving.
Place
iton
the remaining uncut
lead
of
the above
capacitor
'
and connect
it to A2
(NS).
(v)
Cutone
end
of a
100 mmf
(brown-black-brown) mica
capacitor
to
1/2" and connect
it to CCz
(52).
Position
as
shown
in Pictorial
5.
(
J
C"t
the other
lead of
the above
100 mmf
mica capacitor
to I l/8". Use sleeving
and
con-
nect to A?
(NS).
(
/Select
alother
100 mmf
(brown-black-brown)
mica capacitor.
Cut one
lead to 3/4"
and
pass
this lead
through CC4
(NS)
to
CC3
(NS).
Position ag
shown and solder CC4
(S2).
(
r)/
Cut
a
I l/8', length of sleeving.
Placeit
ontheotheruncut
lead
of
the above
100 mmf capac-
itor and
connect to B7
(NS).
(V
S"te"t
another
100 mmf
(brown-black-brown)
mica capacitor.
Cut
one
lead to
1/2" and
con-
nect this
lead to CC3
(52).
Position
as
shown.
Cut
the remaining
lead
of
the
above
100 mmf
capacitor to
1".
Use
a 3/4" length
of
sleeving
and connect
to 82
(NS).
notation
of
"8S2",
"BS2
-3
"
will
indi
-
('{;
Page 2
5

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