(!,
Select the two,
wire
wound, screwdriver
adjust
controls.
(Both
are 500Q
controls and are
used
as
phase
and
audio
balance controls.
)
(
1
)
Instail
the
phase
balance control by
placing
a control
lockwasher
on the
bushing and
inserting
Orient the control as shorpn in
Pictorial l.
Secure with
a
nickel
panel
washer
and a
control nut.
(
V
Install
the audio balance control at like
manner.
NOTE:
In denoting
socket
ground
lugs, the socket
is identiJied
by the first letter,
the
the abbreviation
for
"ground
lug". As an example,
"DGL-3"
indicates
that
a connection
is made
at socket
"D"
and
ground
Iug #3 is used.
(
l)
Connect
AB-2 to DGL-3
(S1).
(
VJ
Connect PB-z to EGL-I
(Sl).
(
r)
fnstatt 5/16"
grommets
at cl, G2, and G4.
(V
)
Install
a
3/8"
grommet
at G3.
(
)
Install
the inter-stage transformer stamped 51-37at T4.
Theblack and the
green
wires
are
inserted
in the opening nearest the octal socket
(E).
The redand
blue wires are
plac ed through
the remaining
openingr
6-32 hardware
is
used
to secure.
Install a #6
soider
Iug under the
nut
at
the end
nearest
the
chassi.s flange instead
of the
usual lockwasher.
(
v) Connect the black wire of T4 to E7
(NS).
Dress
as shown
in Pictorial 2.
(12{
,Connect
the
green
wire
of T4 to E5
(NS).
Dress as shown.
(
.")
Install a 2-Iug,
one
lug
ground,
terminal
strip at
"EE",
Use
a #6-32
x
1/4"
RHMS with
a
lockwasher
and
nut.
(f
)
Connect a 2l/4"length of #20 bare wire
from
E? through E3
to PB-l
(solder
all 3 connec-
tions).
('!,g)
Connect one end of a 2
L/4"
length of #20
bare
wire to
E5
(S21.
Place a
3
/4'
'
Iength
of
sleeving on
the wire and run
the wire
through
E1.
Place another 3/4'"
length
of
sleeving on
the
remainder of the wire and
connect
the end
to PB-3
(St1.
Solder El
,
(s1).
(dl
Before advancing further,
temporarily
se-
lect
the
balanced modulator chassis
and the
RF
chassis.
Hold
them inplace on the audio
deck
and, with a
pencil,
draw an outline of
the chassis
on the
inside of
the
audio deck
as shown
in Figure 5.
See
Figure
13,
Page
38 for
parts
identification
and
placement.
From this
point
on, do
not
allow any of
the
wiring
in these outlines, except
the
green
and
black
wires
from
T4.
Ret'nove
the two
sub chassis
and
lay them aside. Proceed
with
deck wiring=
(
d
Connect
a
4
3/4"
lengthof hookupwire
from
E6
(S1)
to D2
(st).
Route
as shown.
Page
14
ott
o
O
Figure
5
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