g
f
rrJl
i
I
t'Jl
Cut
one
lead
of
a .01 mfd
disc
ceramic
capacitor
to l/2'', and connect
it
the other
lead between
L3
and
L4
and
solder
it to the
#16
bare
wire which
of atl
the driver
coils.
Trim
off
excess
wire.
to
GL1
(S2).
Pass
connects
to
#1
lug
Strip
the ends of. a
4" Iength
of
hookup
wire. Connect one
end to A6
(NS).
Leave the
other
end
free
temporarily.
t
( oI
)
crrt both leads of a
2.2
Ko
1
watt
(red-red-
red) resistor
to
1 l/4"
.
Place
a
1" length of
sleeving on each of the
leadsand connectone
to
AO
(S2).
Connect theotherend to Ll-1
(NS).
(\I
cut
one lead
of a 1mh RF
choke
(45-3\to
l/2".
Connect
to cc1
(s5).
Position
as shown
and
connect
the other
lead
to Ll-1
(S3).
(
{) Mount the tuning capacitor
at
'rcrr
with
the stator bars near
socket B.
A 3/8" control
lock-
washer is mounted on the
bushing, then
insert the capacitor Ln the 25
/64"
opening
provided
on the chassis. Secure
with a
nickel washer and 3/8" control nut.
(
U
Cut one
lead
of
a .01
mf disc
ceramic
capacitor
to
3
/4",
connect
to RFCz
(S2).
Place
a 3/4"
length
of insulating
sleeving
on the other lead. Pass
it through
grommet
G1 and solder the
lead to the
variable
capacitor
stator
near
the
grommet
as shown
in
Detail
1.
Trim excess
wire.
NOTE: For the
fotlowing
steps,
itwill be
necessaryto com-
bine the balanced modulatorwith
the RF sub-assembly. Use
care in assembling
since
the
ceramic
wafers
in the
band
switch are
fragile,
and are
susceptible
to
cracking
in the
event
of undue
strain.
(.)
Select the balanced modulator
sub-chassis.
Remove
the
Detail
1
first
two spacers on
each of
the
long bolts
which hold the
band
switch assembly
together.
Referring
to Figure
11on
page
34,
properly
orient
the
RF
sub-assemblychassis
and
insert
the band
switch bolts
and shaf
t through
the openings at
BS
provided
in the chassis.
Replace
the
spacersandplace
thesihglewaferand
coilassemblyin
place,
as shown.
Using
wire
cutters,
clip
and
enlarge
the coil
mounting
lugs
if
necessary.
Secure
with
the
hardware which
was
furnishedwith
theswitch. Observe
veryclosely
theorientation
of thewafer
rotor. Rotateit,
if
necessary to thepositionwhich
the
bandswitch
is turned to.
A small marker
notch is
lo-
cated on the shaft
hole
of
each
rotor
in the
wafer.
When
properly
assembled, all markers
will
"line
up".
(
.)
Using
#16
bare wire,
connect
the capacitor
"C"
statgr terminal
(S1)
on the
RF
sub-chassis
'
to the band switch BS5-6
(Sl).
See
Detail
2.
Detail
2
Page
33
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