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Signal Source
Connection
Signal
Frequency
3.4 MULTIPLEX
ALIGNMENT
PROCEDURES
(Selector switch in the "FM" and STEREO/MUTING
position)
Indicator
Connection
Set Dial
Pointer to:
Adjust:
RF generator to FM
antenna terminals
through matching
network (300 ohms,
balanced), with ImV
FM stereo simulator
RE
level and 100%
modulation
(pilot 9%)
(JO36)
No
modulation
Frequency counter
to point (J301)
R304 so that frequency
counter may precisely
read 19 kHz.
VTVM
to right
Stereo, left
éhannel ouggur
utpu
1,000
H
Cae)
(JV02)
:
VTVM
to left
Stereo, right
channel! output
(1,000 Hz)
(JVO2)
98 MHz
R313 for minimum
output and same
separation
in both
channels.
4. AM
ALIGNMENT
PROCEDURES
(Selector switch in the '""MW" or '""LW" position)
Signal Source
Connection
Sweep generator to
AM
sweep input,
Signal
Frequency
450 kHz
marker
RF generator to
AM
antenna terminals
through
IHF dummy.
525 kHz
Indicator
Connection
4.1 AM IF ALIGNMENT
Oscilloscope to
point © (JAQ6)
4.2 AM RF ALIGNMENT
1,630 kHz
VTVM to
Lor R
600 kHz
channel output
(JV02)
1,400 kHz
Repeat steps 2 and 3.
Set Dial
Pointer to:
Quiet point on
band.
520 kHz with
tuning gang closed.
LAOS, LAO6 for maxi-
mum
and symmetric
response.
LAO4 for maximum
output.
1,630 kHz with
tuning gang open.
O.S.C. trimmer for
maximum
output ©.
600 kHz
LO51 for maximum
output.
1,400 kHz
Ant. trimmer for
maximum
output ®.
Repeat steps 1 to 4 as necessary to obtain maximum
sensitivity.
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