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– 19 –
FM Stereo Separation Adjustment
Setting:
SOURCE button: FM
MW Auto Scan/Stop Level Adjustment
Setting:
SOURCE and MODE button: MW
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 26 dB
Adjustment Location: See page 21.
FM RF signal
generator
set
+
–
–
level meter
antenna jack
10 k
Ω
LINE OUT
Carrier frequency : 98.0 MHz
Output level
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%)
sub: 1 kHz, 33.75 kHz deviation (45%)
19 kHz pilot: 7.5 kHz deviation (10%)
Procedure:
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 minimum reading.
R-CH
R-CH
C
D
L-CH
R-CH
Adjust RV4 on TU1
for minimum reading.
AM RF signal
generator
set
30
Ω
15 pF
65 pF
AM dummy antenna
(50
(50
Ω
)
antenna jack
Carrier frequency : 999 kHz
30% amplitude
modukation by
1 kHz signal
Output level
30% amplitude
modukation by
1 kHz signal
Output level
: 33 dB (44.7 µV)
999
SHUF1
MW
4. Adjust with the volume RV1 on TU1 so that the “MW” indi-
cation turns to “MW0” indication on the display window.
But, in case of already indicated “MW0”, turn the RV1 so that
put out light “0” indication and adjustment.
But, in case of already indicated “MW0”, turn the RV1 so that
put out light “0” indication and adjustment.
Display
Adjustment Location: See page 21.
3. Push the preset 3 button.
Display
Procedure:
1. Set to the test mode. (See page 17.)
2. Push the MODE button and set to MW.
1. Set to the test mode. (See page 17.)
2. Push the MODE button and set to MW.
Display
999
3
SHUF1
MW
3
999
SHUF1
MW
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