Sansui TU-666 - FM Multiplex Alignment

ALIGNMENT
FM
MULTIPLEX
ALIGNMENT
PROCEDURE
FEED
STEP
ALIGN
SIGNAL
GENERATOR
SIGNAL
CONNECT
one
ADJUST
ADJUST
FOR
TO
1.
67
kHz
Audio
signal
generator,
4A
V.T.V.M.
to
Log
Minimum
trap
67
kHz
200mV
r.m.s.
4G
2.
19
kHz
1)
FM
signal
generator,/
Antenna
|
V.T.V.M.
to
98
MHz
|
Luo,
Taos
Maximum
tuning
coil
98
MHz,
60
dB
terminals
|
4G
2) Stereo signal genera-
tor, 30% modulation
of composite signal
(L or R) including
pilot signal
3.
38
kHz
1)
FM
signal
generator,|
Antenna
|
V.T.V.M.
to
98
MHz
Tae
Maximum
tuning
coil
98
MHz,
60
dB
terminals
|
4G
2) Stereo signal genera-
tor, 30% modulation
of composite signal
(L or R)_ including
pilot signal
4,
38
kHz
1)
FMsignal
generator,
|
Antenna
|
Oscilloscope
98MHz
|
VRsa
1)
Observe
the
tuning
coil
98
MHz,
60
dB
terminals
|
and
V.T.V.M.
wave
form
of
Separation
|
2)
Stereo
signal
genera-
to
load
the
L
channel
VR
tor
including
pilot
terminals
output
and
signal
adjust
T4o1,
Tao2
Composite
signal
L-
to
maximum
channel
30%
modula-
output.
tion
2)
Adjust
the
separation
VRso1 for
optimum
separation
Gt
Rt
Sees eee