– 29 –
Procedure :
1. Set to the test mode. (See page 28.)
2. Push the TUNER button and set to FM.
Display
3. Push the preset 3 button.
Display
4. Push the preset 10 button.
5. Adjust RV31 so that the display indication is “16.0”.
Display
FM RDS S-Meter Adjustment
Setting :
D-BASS switch : OFF
TUNER button : FM
FM Stereo Separation Adjustment
Setting :
D-BASS switch : OFF
TUNER button : FM
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%)
L-CH stereo separation :
A
–
B
R-CH stereo separation :
C
–
D
The separations of both channels should be equal.
Specification : Separation more than 30 dB
Adjustment Location : See page 31.
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 TU1 for
maximum reading.
R-CH
R-CH
C
D
L-CH
R-CH
Adjust RV4 on TU1 for
maximum reading.
Procedure :
antenna
terminal
LINE OUT REAR
0.01
µ
F
10 k
Ω
set
level meter
FM RF signal
generator
antenna
terminal
FM RF signal
generator
0.01
µ
F
set
Carrier frequency : 98.00 MHz
Output level
: 35 dB (56.2
µ
V)
Mode
: mono
Modulation
: no modulation
REG
SHUF
REG
SHUF
REG
SHUF
Specification : Display indication : 15.8 to 16.2.
Adjustment Location : See page 31.
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