GF-600
3-2-2 FM
TUNER
SIGNAL GENERATOR SETTING
ITEM
Audio Modulation Frequency
Output
GF-600
ADJUSTMENTS
MEASURING
POINTS,RESULT
108.0MHz L2
VT
8.0V
1.Voltage
adjustment
87.5MHz
Check
VT 2.4V
2.IFT
adjustment
1kHz 22.5kHz 90.1MHz
22.5 dBuV
90.1MHz
L1
Maximum output
level
1kHz 22.5kHz 90.1MHz
76 dBuV
90.1MHz
L3
Maximum output
level
3.Tracking
adjustment
1kHz 22.5kHz 106.0MHz 76
dBuV 106.0MHz
TC4 Repeat
step 3
Maximum output
level
6
AM signal generator
AM
GF-600
PHON
1k ohm
1k ohm
S1
Fig.3-3
AM Loop
Antenna
60cm
AC voltmeter
FM signal generator
FM
GF-600
PHONES
1k ohm
S1
AC voltmeter
75 ohm
Fig.3-4
1k ohm