– 19 –
AM RF signal
generator
set
30
Ω
15 pF
65 pF
AM dummy antenna
(50
Ω
)
antenna jack
Carrier frequency : 999 kHz
30% amplitude
modukation by
1 kHz signal
Output level
: 33 dB (44.7 µV)
FM RF signal
generator
set
+
–
level meter
antenna jack (J1)
4
Ω
Carrier frequency : 98.0 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%)
FM Stereo Separation Adjustment
Setting:
SOURCE button: FM
MW Auto Scan/Stop Level Adjustment
Setting:
SOURCE and MODE button: MW
Procedure:
1. Set to the test mode. (See page 17.)
2. Push the SOURCE button and set to FM.
3. Push the MODE button and set to MW.
Display
5. Adjust with the volume RV1 on TU1 so that the “MW” indi-
cation turns to “MWI” indication on the display window.
But, in case of already indicated “MWI”, turn the RV1 so that
put out light “I” indication and adjustment.
Display
4. Push the preset 3 button.
Display
Adjustment Location: See page 20.
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.
L-CH Stereo separation:
A
-
B
R-CH Stereo separation:
C
-
D
The separations of both channels should be equal.
Specification: Separation more than 26 dB
Adjustment Location: See page 20.
INTRO
999
3
SHUF1
MW
INTRO
999
3
SHUF1
MW
INTRO
999
SHUF1
SPEAKER OUT