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– 20 –
FM Stereo Separation Adjustment
Setting :
D-BASS switch : OFF
SOURCE button : FM
SOURCE button : FM
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level
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%)
19 kHz pilot : 7.5 kHz deviation (10%)
antenna
terminal
terminal
set
0.01 µF
10 k
Ω
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.
minimum reading.
R-CH
R-CH
C
D
L-CH
R-CH
Adjust RV3 on TU1 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 28 dB
Adjustment Location : See page 21.
Procedure :
FM RF signal
generator
0.01 µF
antenna
terminal
terminal
set
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 19.)
2. Push the SOURCE button and set to FM.
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
SOURCE button : FM
3. Push the preset 10 button.
4. Adjust VR601 so that the display indication is “16.0”.
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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