Sony XR-C453RDS Service Manual page 16

Fm/mw/lw cassette car stereo
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3 7 63 1515 0
FM Signal Meter Adjustment
Setting:
SOURCE button: FM
FM RF signal
generator
0.01 µ F
Carrier frequency : 98.00 MHz
: 35 dB (56.2 µ V)
Output level
Mode
: mono
Modulation
: no modulation
Procedure:
1. Set to the test mode. (See page 14.)
2. Push the SOURCE button and set to FM.
Display
REG
FM
3. Push the 6 button.
4. Adjust RV1 so that the display indication is "160".
Display
FM
Specification: Display indication: 158 to 162.
TE
L 13942296513
Adjustment Location: See page 17.
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.
http://www.xiaoyu163.com
antenna jack (J1)
set
INTRO
INTRO
x
ao
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y
i
– 16 –
http://www.xiaoyu163.com
2 9
8
MW Auto Scan/Stop Level Adjustment
Setting:
SOURCE button: MW
AM RF signal
generator
AM dummy antenna
(50 Ω )
Carrier frequency : 999 kHz
30% amplitude
modulation by
1 kHz signal
: 33 dB (44.7 µ V)
Output level
Procedure:
1. Set to the test mode. (See page 14.)
2. Push the SOURCE button and set to MW.
Display
MW
999 @
3. Push the preset 3 button.
Q Q
3
6 7
1 3
1 5
Display
MW
3
999
4. Adjust with the volume RV1 on TU1 so that the "MW" indica-
tion 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
3
999
Adjustment Location: See page 17.
co
.
9 4
2 8
30 Ω 15 pF
65 pF
set
antenna jack (J1)
INTRO
0 5
8
2 9
9 4
2 8
INTRO
INTRO
m
9 9
9 9

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