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(a)
(b)
5-5.
AM
TRACKING ALIGNMENT
Turn the
selector
switch
to
AM.
Connect
the AM
signal generator
to
the
AM
antenna terminals (Fig.6).
Set
the
condition
of the AM
signal
generator
to the
modulation
400
Hz,
307o
and output level 30 dB,
then
freque.ncy
is
600 kHz under
the
test
equipment's
dial
set
at 600
kHz.
(d)
Connect
the V.T.V.M. and
oscilloscope
to
the TAPE
REC
terminals.
(e)
Observing
the output
level
on
the
V,T.V.M. and
adjust
the
following
eore
to
get murimum
reading
on the
meter.
Tg
.. ....
.
o
..
Oscillatorcircuit
Ferrite loopstick
antenna:
Antenna
circuit
(f
)
Set
the
condition
of the AM
signal
generator and
turning
knob
to
L400 kHz.
(g)
Observing
the output
level
on
the
V.T.V.M. and
adjust
the following
core
to
get
murimum
reading
on the
meter.
CTf .
o
.
... o.. ..
Oscillatorcircuit
CT+. . .
.
. . .
. . . .
.
Antenna
circuit
(h) Repeatthealignments(e)to(g)
several
times.
(i)
After the
alignments,
lock the
trimmer
capacitor
with
paint.
(i
)
'As this result, the
signal meter
should
indicate
maximum.
.l-i
F E
R R
ITE
LOOPSTICK ANTEN
NA
DUMMY ANTENNA
oo
o
FM SIGNAL
GENERATOR
T)G6cI0
(c)
.@
oo
o
V.T.V.M.
ANTENNA
TERMINALS
ADJUSTING
POINTS
Fig.
6
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