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ST-S444ES
ST-S444ES
FM SECTION
Pilot Cancel Adjustment
AGC Adjustment
Setting:
FM rf signal
generator
of the FM stereo signal generator.
2. Adjust
RV201
and
L201
for minimum
reading
on
the
VIVM.
Output
level
of both
channels
should be well balanced.
the factory. When it is worn out, be sure to exchange
it all with
new
section,
because
it is difficult
to
VTVM
generator
(de range)
FM rf Monaural signal
eng ANTENNA terminal (752)
Set
the
output
of FM
signal
generator
to
80dB
(10mV).
Adjust
RT151
for 3.6V
+0.1V
reading on
the VTVM.
C152 R153
:
Signal Meter Level Adjustment
Setting:
repair.
FM rf stereo signal
FM ANTENNA
OUTPUT
terminal (75Q)
TPS
test point
FM rf signal generator
Stereo Separation Adjustment
O0.01uF
Procedure:
IF BAND:
WIDE
E
Is set
FM rf Monaural signal
FM ANTENNA terminal (75Q)
1. Set the output
of FM
signal generator to 80dB
(10mV),
2. Adjust
RT152
so that the 1 —
10 indication bars
light up on the signal meter.
[WHEN
IC151
IS REPLACED]
FM rf stereo
signal
generator
FM ANTENNA
guTPUT
indicator goes on without any FM input signal.
(High-gain IC)
Mode:
Stereo
Adjust RT203 for 76kHz +30Hz on
the counter.
adjustment jumper wire
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