Heathkit SB-10 - Page 42

(
)
strip the ends
of a
6" Iength
of hookup
wire.
connect
one
end to
the
receiver
sensitivitv
con&ol
RSg
(S1).
Dress"as
shown
and
connect
the
other
end to
terminal
strip
CC1
(S2)
on
the audio
deck.
(
lI
Connect
the
green
wire
in
the
shielded
wire
harness to
the transmitter
sensitivity
control
'
TSZ
(S1)
on
the
rear aPron.
(
y'Connect
the
shielded
wire
to
TS3
(S1).
(
\)
Connect
the
yellow
wire
in the
function
wiring
harness
(no
shielded wires) to
pin
+?
(S1)
of
the octal
power
plug.
(...)
Connect
the
red
wire
of the
function
wiring
harness to
pin
6
(S1)
of the octal
power
plug.
Connect
all wires which
were
inserted
through G3
to
points
indicated below.
NOTE: A slight
pull
on each
wire,
as
it is needed, will
identify
it. Dress wires
exactly
as
shown.
I
(
.)
Connect
the
wire
from the
octal
power
plug
pin
#5
(
-J
Connect
the
wire
from
FF1 to
RY12
(S1)'
(.{)
Connect
the
wire
from
FF4 to RY15
(S1)"
(
'{
Connect
the
wire
from
FF5 to
RY?
(S1).
('l)
Connect
the
wire
from
FF6 to
RY5
(S1).
to the
relav
terminat
RY14
(S1).
(
, /Trim
one lead of the
l0:? 1 watt
(brown-black-black)
resistor to l/2" and', as
shown
in Figure
'
F
lb on
page
47, connect
to
RYg
(S1).
Use
sleevi.ng.
Pass the other
end through
RY11
(NS)
to RY10
(S1).
Now solder
RYll
(S2).
Connect the
wire
from
FF3 to CC3
(S3)
on
the audio
deck.
Cut
a
2
3f 8,, Iength of
RGSBA/U
coaxial
cable and
strip
3/B" of the
outside
covering
and
braided
shield from
one end"
Strip
5iB"
of
outside covering
from
the other
end
of
the coax
but
do
not cutthe
shielC. Unbraid
the
shield
witha
pointedinstrument.
Remove
about
3iL6"
of
insulation f
rorn
each
end
of
the
center
conductor.
Slighly twist
tire
unhrraided
shield and
connect
it
to
the
ground
lug
on the
output
connector
ancl
sc,Ider"
Connect
the
center
conductor
of the coax
to the center
terminal
of the
output
connector
(Sl.).
(
..)
Connect the center
conductor
of theother
end tothe output lug atthe
end of the
RF
tank coil
(s1).
Cut
a
1-3"
trengttr
of RGSSA/U
coax"
Strip
3i4"
r:f
theoutside co\reringfrom
one end.
Unbraid
theshieid andtwist
it toform
a
lead.
Remove
3/L6''
of
insuiationfrom thecenter
conductor.
Repeat
this
sarne
procedure
at
the
opposite
end. Route
the coax
through
the
openings
in the
sukr-chassis
andalong
the audio
deck
side
apron
inthe same
manner as
the
unshielded
trar-
ness.
Connect
thecenter
concluctor
toEE2
(NS)"
Connect
the
shield of the coax
toEEl
(S1)"
Refer
to
Pictorials 11 and
12.
(
rJ
Connect
the Ioose end
of the
.001 mJd
disc
ceramic
capacitor
connected
to the
band
switch
'
wa-fe. on the balanced
modulator
chassis
(BS1-12)
to
EEz
(SZ)
of the audio
deck.
See
Pic-
tor.ial 11
.
(#
(f)
I
,,1
{!}
I
,,d
/
iY
\it
trage
42