CDX-C560RDS - Sony Car Audio Service Manual (repair manual). Page 20

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FM Stereo Separation Adjustment
Setting :
D-BASS switch : OFF
SOURCE button : FM
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level
: 70 dB (3.2 mV)
Mode
: stereo
Modulation
: main : 1 kHz, 20 kHz deviation (26.5%)
sub : 1 kHz, 20 kHz deviation (26.5%)
19 kHz pilot : 7.5 kHz deviation (10%)
antenna
terminal
set
0.01 µF
10 k 
level meter
LINE OUT REAR
FM stereo
Level meter
Level meter
signal generator
connection
reading (dB)
output channel
L-CH
L-CH
A
B
R-CH
L-CH
Adjust RV3 on TU1 for
minimum reading.
R-CH
R-CH
C
D
L-CH
R-CH
Adjust RV3 on TU1 for
minimum reading.
L-CH stereo separation : A – B
R-CH stereo separation : C – D
The separations of both channels should be equal.
Specification : Separation more than 28 dB
Adjustment Location : See page 21.
Procedure :
FM RF signal
generator
0.01 µF
antenna
terminal
set
Carrier frequency : 98.00 MHz
Output level
: 35 dB (56.2 µV)
Mode
: mono
Modulation
: no modulation
Procedure :
1. Set to the test mode. (See page 19.)
2. Push the  SOURCE  button and set to FM.
Display
FM RDS S-Meter Adjustment
Setting :
D-BASS switch : OFF
SOURCE button : FM
3. Push the preset  10  button.
4. Adjust VR601 so that the display indication is “16.0”.
Display
REG
SHUF1
REG
SHUF1
Specification : Display indication : 15.8 to 16.2.
Adjustment Location : See page 21.
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