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Goldstar GST-3030 Service Manual page 8

Lw/mw/fm stereo tuner

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MUTING OFF
MUTING ON
=>
=
decrease
increase
Fig. 2 IF response curve with T 102
FM Mpx Alignment
|
Test Point
Instrument &
Dummy
Adjustment
oe
: vem
Frequency
Input
Output)
Ant
Dial Setting
point
al
Terminal | Terminal
1 | 19KHz
FM SSG and
Output
|Generator|!
Tune to
L401
Adjust for
| pilot
stereo signal
terminal | output
signal
L402
minimum
|
| generator
"probe B''
|
| 98MHz (1kHz,
|
| 10% pilot mod)
|
input: 60 dB
a
2 | Sepera-
FM SSG and
SP Ter.
!Generator | Tune to
VR101
(Adjust for mininum
|
tion
stereo signal
ofa
Output
Signal
of a channel to be
generator
(LorR
channel
|''Probe B"'
not inputed.
98MHz (1KHz.
only)
to be not
90% main and
inputed
sub. 10% pilot
mod) input:
60dB with
stereo R orb
_
il with Pilot
oo

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