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FM Stereo Separation Adjustment (WIDE)
Setting :
SOURCE button : FM1 87.5 (MHz)
FREQUENCY SELECT switch (CDX-C9500) : FM200K
FM RF signal
generator
0.01 µ F
Carrier frequency : 87.5 MHz
Output level : 70 dB (3.2 mV)
Mode : stereo
Modulation : main : 1 kHz, 33.75 kHz deviation (45%)
sub : 1 kHz, 33.75 kHz deviation (45%)
19 kHz pilot : 7.5 kHz deviation (10%)
Procedure :
FM stereo
signal generator
output channel
L-CH
R-CH
R-CH
TE
L 13942296513
L-CH
L-CH stereo separation : A – B
R-CH stereo separation : C – D
The separations of both channels should be equal.
Specification : Separation more than 24 dB
Adjustment Location : See page 22.
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antenna
terminal 10 k Ω
set
LINE OUT REAR
Level meter Level meter
connection reading (dB)
A
L-CH
B
L-CH Adjust RV3 on TU101
for minimum reading.
C
R-CH
D
R-CH Adjust RV3 on TU101
for minimum reading.
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8
FM Stereo Separation Adjustment (NARROW)
Setting :
SOURCE button : FM1 87.5 (MHz)
FREQUENCY SELECT switch (CDX-C9500) : FM200K
FM RF signal
generator
level meter
Carrier frequency : 87.5 MHz
Output level
Mode
Modulation
Procedure :
1. Push the SHIFT button.
2. Push the 4 button three times.
3. Push the 5 button twice and set to NARROW mode.
FM stereo
signal generator
output channel
L-CH
R-CH
Q Q
3 6 7 1 3 1 5
R-CH
L-CH
L-CH stereo separation : A – B
R-CH stereo separation : C – D
The separations of both channels should be equal.
Specification : Separation more than 18 dB
Adjustment Location : See page 22.
co
.
9 4 2 8
antenna
terminal 10 k Ω
0.01 µ F
set
LINE OUT REAR
: 70 dB (3.2 mV)
: stereo
: main : 1 kHz, 33.75 kHz deviation (45%)
sub : 1 kHz, 33.75 kHz deviation (45%)
19 kHz pilot : 7.5 kHz deviation (10%)
Level meter Level meter
connection reading (dB)
L-CH
L-CH Adjust RV4 on TU101
for minimum reading.
0 5 8 2 9 9 4 2 8
R-CH
R-CH Adjust RV4 on TU101
for minimum reading.
m
9 9
level meter
A
B
9 9
C
D
21