– 16 –
FM Stereo Separation Adjustment
Setting:
[SOURCE]
button
: FM
FREQUENCY SELECT switch : FM 200 k
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 30 dB
Adjustment Location: See page 17.
FM RF signal
generator
Carrier frequency : 97.9 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%)
0.01
µ
F
set
antenna jack (J1)
+
–
AUDIO OUT REAR jack (J331)
level meter
10 k
Ω
Procedure:
MW Auto Scan/Stop Level Adjustment
Make this adjustment after “FM Auto Scan/Stop Level Adjust-
ment”.
Setting:
[SOURCE]
button
: MW
FREQUENCY SELECT switch : MW 10 k
Procedure:
1. Set to the test mode. (See page 14)
2. Push the
[SOURCE]
button and set to FM.
3. Push the
[MODE]
button and set to MW.
Display
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.
Display
Adjustment Location: See page 17.
AM RF signal
generator
Carrier frequency : 1,000 kHz
30% amplitude
modulation by
1 kHz signal
Output level
: 33 dB (44.7
µ
V)
(50
Ω
)
set
AM dummy antenna
30
Ω
15 pF
65 pF
antenna jack (J1)
SHUF
SHUF
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