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CDI
ALIGNMENT OF
FM SECTION
Position
of
Switch:
SELECTOR
FM MONO
Volume Control
Setting: Fully
counterclockwise
Disconnect
TP
zoL
from
TP
zoz
ALIGNMENT OF
MPX SECTION
Position
of
Switch:
SELECTOR
. , FM STEREO
Volume Control
Setting:
Fully
counterclockwise
lnput
Signal:
Main
(L+R)
40.5kHzdeviation (602)
STEP
I
npul
Dial
S
etting
0
utput
Eq
ui
pmeni
C
on
nectlons
A
lign
ment
Eq
ur
pment
C
on
n
ections
F
req
uency
Level
Adjusl
Rema
rk
s
Sweep
generator
to
FlVl
antenna
term
ina
L
10.7M
H z
i
0dB
Point
of
no
r
nterference
as
near
as
87MHz
Oscilloscope
TP
zot
I
zot,
f
zoz
T
zo:,
Primary
of
T zoc
Adjust
for
maximum sensitivity
and
symmetrical
characteristics.
2
I
00dB
Check
symmetry
of
characteristic
c
urve,
3
70dB
Oscilloscope
TP zo:
T
zaq
Adjust
the
primary core
of
Tzoa
56
that
slope
of
straight portion
of
"S"
curve
will
become
the
steepest
and
adjust
the
secondary
core
so
that
the
center
of
"S"
curve
wiil
coinclde
with the
center
of
the
marker.
4
Connect TP
2ar
Ia
fP2a2
5
,'J,tlilri'"""o'
'o
FM
antenna
]
no,
*.
20dB
(400H
z,
30%)
90MHz
0scii
loscope
TP
zo:
L2o4
Adjust
for
maximum
deflection.
6
106M
H
z
106MHz
CT:o:
7
Repeat
steps
5
and
6
several
times
8
:J:;il,:.".""'
,o
Fr\4
Antenna
I
nor
r.
20dB
(400H
z,
30"/"
)
90MHz
0sci lloscope
TP
zo:
l'ri:,
Adjust
maximum
defrection.
9
106MHz
l06MHz
CT zor
CI
zoz
10
Repeat
steps
8
and
9
several
times.
19
kHz Pilot
7.5
kHz deviation
(102)
STE P
Circuit
to
be
adjusted
I
npul
Connect
VTVI\4
Alignment
C
on
nections
S
ignal
Ad
i
ust
Rema
rk s
I
l9kHz and
38kHz
stages
MPX
Generator
to
FIV Antenna
terminal
l9kH
z
AC
VTVM
TPzos
f
zog
T zro
Adlust
for
maximum
deflection
2
Separation
Control
lorR
AC VTVM
2 or
3
T zro
Adjust
for
mrnirnum
deflection
of
the
other
channel
3
Repeat
steps
7
and
2
several times.
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