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Heath Heathkit SB-104A Manual page 92

Single sideband transceiver

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Page 1-90
The steps performed in this Pictorial are in
this area o f the circuit board.
switch
carefully
turn
the
rotors
in
switch
wafers so the
index
notches
are in the position shown, You may
Push
(#63-723).
th e
th e
foil.
In further
Form a2" length o f small bare wire
s o i t curves around, and touches,
switch
lugs
5 through
12 .
bend the ends o f the wire s o they
enter switch lugs 5 and 1 2 . Solder
the wire t o all the lugs except lug
12.
Prepare the following lengths o f gray
wire.
11/2" 1-1/4" 1-1/4" 1-1/2"
th e wire and cut o ff any excess wire
lengths.
1.1/2
wire from
A
t o sw i t ch
1-1/4" wire from X t o switch lug 12
(also solder the bare wire.)
1.1/4
B
C
1-1/4
from D
to
3 " length
as
l?"-+H
.£±
.
.
.
K
'
S I E L D
L E A D
1/2"
0
1
(INCHES)
¼
¾
½
!_,
J
g
,
g
" ]
I
I
r trrr r r
I
I
'
'
'
0
f
(CM)
2
3
lugs
both
'
2" BARE
Then
1-1/2"
a
cs'
c7
1-1/4"
B o
lug 3.
c . @ .
% 0
+
16.
18.
2 0 .
PICTORIAL 7-5
2
3
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6
7
I
PART
INDEX
NOTCH
4
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'
10
1
E E ESE E
H
3/4"
1 4 .
L
(S-1)
K
(S-1).
(S-1)
R
( S - 1 ) .
1 . 1 / 2
2'
T
( S . 1 ) .
foil
(S-1).
foil
CIRCUIT BOARD CHECKOUT
1/8".
t
)
for
proper
positive
for
correct
5
6
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1 2
1 3
1«4
1
(S.-1)
2"'
o f
[ Pe
correct
( + )
end.
It
7
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47
1

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