Read Sony CDX-C860 / CDX-C860RDS Service Manual online
– 26 –
FM Stereo Separation Adjustment
Setting :
SOURCE button : FM
FM RF signal
generator
0.01 µF
antenna
terminal
terminal
Carrier frequency : 98.00 MHz
Output level
Output level
: 35 dB (56.2 µV)
Mode
: mono
Modulation
: no modulation
Procedure :
1. Set to the test mode. (See page 25.)
2. Push the SOURCE button and set to FM.
1. Set to the test mode. (See page 25.)
2. Push the SOURCE button and set to FM.
Display
FM RDS S-Meter Adjustment (CDX-C860RDS only)
Setting :
SOURCE button : FM
3. Push the preset 3 button.
Display
FM RF signal
generator
antenna
terminal
terminal
set
0.01 µF
10 k
Ω
level meter
LINE OUT REAR
Carrier frequency : 97.9 MHz (C860)
: 98.00 MHz (C860RDS)
Output level
: 70 dB (3.2 mV)
Mode
: stereo
Modulation
: main : 1 kHz, 33.75 kHz deviation (45%) (C860)
1 kHz, 20 kHz deviation (26.5%) (C860RDS)
sub
: 1 kHz, 33.75 kHz deviation (45%) (C860)
1 kHz, 20 kHz deviation (26.5%) (C860RDS)
19 kHz pilot : 1 kHz, 7.5 kHz deviation (10%)
FM stereo
Level meter
Level meter
signal generator
connection
reading (dB)
output channel
L-CH
L-CH
A
B
R-CH
L-CH
Adjust RV4 on FE601 for
minimum reading.
minimum reading.
R-CH
R-CH
C
D
L-CH
R-CH
Adjust RV4 on FE601 for
minimum reading.
minimum reading.
L-CH stereo separation : A – B
R-CH stereo separation : C – D
The separations of both channels should be equal.
R-CH stereo separation : C – D
The separations of both channels should be equal.
Specification : Separation more than 25 dB
Adjustment Location : See page 27.
Procedure :
4. Push the preset 10 button.
5. Adjust RV601 so that the display indication is “16.0”.
5. Adjust RV601 so that the display indication is “16.0”.
Display
Specification : Display indication : 15.8 to 16.2.
Adjustment Location : See page 27.
SHUF1
SHUF1
SHUF1
REG
REG
REG
set
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