Read Sony CFD-101 Service Manual online
– 16 –
Adjustment Location : tuner board (component side)
telescopic antenna
input terminal
input terminal
set
0.01
µ
F
FM VCO Adjustment
Setting :
FUNCTION switch : FM
FUNCTION switch : FM
Carrier frequency : 98.0 MHz
Output level
Output level
: 100 dB (0.1 V)
Mode
: mono
Modulation
: 400 Hz, 22.5 kHz deviation (30 %)
RV1
FM VCO
ADJ
1
15
30
CT4 L4
AM
FREQUENCY
COVERAGE
ADJ
L3 CT3
AM
TRACKING
ADJ
FM RF signal
generator
generator
frequency
counter
tuner
board
33 k
Ω
1 µF/50 V
Procedure :
1. Connect frequency counter between IC1 pin 7 and pin 4.
2. Tune the set to 98.0 MHz .
3. Adjust RV1 for 76.0 kHz ±500 Hz reading on the frequency counter.
1. Connect frequency counter between IC1 pin 7 and pin 4.
2. Tune the set to 98.0 MHz .
3. Adjust RV1 for 76.0 kHz ±500 Hz reading on the frequency counter.
IC1 pin
7
IC1 pin
4
IC1
L1 CT1
FM
TRACKING
ADJ
L2 CT2
FM
FREQUENCY
COVERAGE
ADJ
AM IF
ADJ
CFT1
16
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