NAD 300 - MPX ALIGNMENT

MPX ALIGNMENT
TAPE OUT
Fis.3
MPx
ALIGNMENT
CONNECTION
Set
SELECTOR Switch
to FM.
Tune
for
98
MHz
on
band.
Signal Generator output
level: 1000
pV,
Deviation:
Connect Signal Generator
to FM Antenna
Terminal
RECEIVER
__l
75 k{z at
1OO% modulation
of composite
signal.
through
FM Dummy Antenna
(300S2).
FM ANTENNA
TERMINAL
TUNNER
FRONT
END
1103,1101
L102,
L104
T101,
TC101
TC102,
TC103
TC104
FM SIGNAL
GENE
RATOR
FM
DUMMY
ANTENNA
30t)r,
STEP
19
kHz
(PILOT
SIGNAL)
MODULATION
Level
SIGNAL
GENERATOR
Freq. Set to
OUTPUT
INDICATOR
Connected
to
ADJUST.
MENT
ADJUST
FOR
NOTE
1 PI LOT
OFF
Stereo
Modulator
(Sub
Signal)
Frequency counter
connect
to
#12
PIN
on 1C301
VR301 19
kHz
2
Bo/o
Composite
1
kHz R channel
SG
output
level: 5
pV
Stereo
beacon
lamp
V R3O2
Just
turns ON
Adjust
so
TR311 turns
ON,
with SG
output
level
of SpV
3 B%
Composite
1 kHz
R
channel
AC Voltmeter
to
TAPE
OUT
jack
of
R
channel
Adjust input
for
audio
output
of
about
1.1
V
4 8%o
Composite
1
kHz
L channel
AC
Voltmeter
to
TAPE OUT
jack
of R
channel
V R303a
Minimum
AC
Volt-
meter
reading
should
be at
least 30
dB
below
read-
ing in step
3.
5 8%
Composite
1
kHz
R channel
AC
Voltmeter
to
TAPE
OUT
jack
of L channel
vR303b
Minimum
Same
as
Step
4.
11
F