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FM IF/RF ADJUSTMENT
SWITCH POSITION.
SIGNAL GENERATOR |
400Hz, 30%, FM modulated
FRE-
STEP nial
QUE: | F
NCY |SETTING| MENT
1. Using a minus driver,
tum the core of T2
:
counter-clockwise
IF
i
- before taking it out of
:
this bobbin.
2.Adjust for best "IFS
VCO
FREQUENCY
ADJUSTMENT
400 Hz, 30%,
FM unmodulated
SIGNAL GENERATOR
mane blerch
DIAL
FREQUENCY | POINTER
Bete
SETTING
cae!
a
FM stereo position
FM mono position
(unmodulated)
98 MHz at 54 dB] 98 MHz |
'iat
Adjust for 19.00 kHz
+ 200 Hz.
OSCILLOSCOPE
10.7 MHz
FM SWEEP GENERAOTA
Figure 10—1 FM IF
10.7 MHz
10.7 MHz
"ELECTRONIC
VOLTMETER
FM SIGNAL
(See Figure10— 6)
TP1
GENERATOR
COUNTER
GNO
(See Figurs 10-6)
QOUMMY
Figure 10—5 FM STEREO
Ri
To Tolascapic Rad Antenna
Pe
i
R1=37.5 ohms
'
R2
Z=75 ohma
975 ohms
Al=50 ohms
1
—
o
2=50 Ohms
p55 ohms
To Chassis GND
Z: Output impedance of signal ganarcator
= 49 =
we,
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