GF-600
3-2 TUNER
SECTION
3-2-1 AM
TUNER
SIGNAL GENERATOR SETTING
ITEM
Audio Modulation
Frequency
Output
GF-600
ADJUSTMENTS
MEASURING
POINTS,RESULT
1710kHz
L5 VT
8.0V
1.Voltage
adjustment
530kHz Check
VT
0.9V
2.IFT
adjustment
1kHz 30% 600kHz
76
dBuV
600kHz L4
Maximum output
level
1kHz
30%
600kHz
76 dBuV
600kHz
Ant coil
Maximum output
level
3.Tracking
adjustment
1kHz 30%
1400kHz 76
dBuV
1400kHz
TC2 Repeat
step 3
Maximum output
level
5
SPEAKER
JK2
SW1
AUX INPUT
JK1
IC6
IC5
IC
IC3
IC2
VR1
IC1
L1
L2
L5
FIG 3-2 Adjustment locations
L3
L8
A
M
A
N
T
IC7
C304
C303
Q31
TC4
TC2
GF-600 MAIN PCB
L4