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FM MULTIPLEX ALIGNMENT PROCEDURE
1. Do not attempt to align the Multiplex Circuit unless the following equipments are available:
e. FM Signal Generator
a. Multiplex Stereo Generator
STEP
ALIGN.
67 kHz Trap
71 kHz Trap
19 kHz
Transformer
19 kHz
Transformer
38 kHz
Transformer
38 kHz
Transformer
and
Separation VR
GENERATOR
67 kHz Audio
Signal
71 kHz Audio
Signal
FM Signal Gen.
Modulated 30%
by STEREO
Gen.
sub-channel
FM Signal Gen.
Modulated 30%
by STEREO
Gen.
sub-channel
FM Signal Gen.
Modulated 30%
by STEREO
Gen.
sub-channel
FM Signal Gen.
Modulated 30%
by STEREO Signal
Gen, channel-L
FEED
SIGNAL TO
TPya or 2C
TPya or 2C
Antenna
terminals
Tune to signal
Antenna
terminals
Tune to signal
Antenna
terminals
Tune to signal
Antenna
terminals
Tune to signal
ee |e
b. Oscilloscope
c. AC. V.T.V.M.
d. Audio Oscillator
TEST
EQUIPMENT (S)
V.T.V.M. at
4]
V.T.V.M. at
4]
V.T.V.M.
and
Oscilloscope at
AK
V.T.V.M. and
Oscilloscope at
4J
V.T.V.M.
and
Oscilloscope at
4H
V.T.V.M. and
Oscilloscope at
output load,
(channel-R)
ADJUST
Lizo3
Ligon
Taos
Toe
Tos
Tyoe or Taos
within 4 turn
and Separation
VR(VReo1)
, ADJUST FOR
Minimum
Minimum
Maximum
Maximum
Maximum
Minimum,
(Channel-R)
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