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Sony XR-4790 Service Manual

Sony XR-4790
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– 17 –
AM (MW) Auto Scan/Stop Level Adjustment
Make this adjustment after “FM Auto Scan/Stop Level Adjustment”.
Setting:
[SOURCE] and [MODE] button: MW
FREQUENCY SELECT switch: 10 k
AM RF signal
generator
Carrier frequency : 1000 kHz
30% amplitude
modulation by
1 kHz signal
Output level : 33 dB (44.7
µ
V)
(50
)
set
AM dummy antenna
30
15 pF
65 pF
antenna jack (J1)
Procedure:
1. Set to the test mode. (See page 15.)
2. Push the [SOURCE] button and set to FM.
3. Push the [MODE] button and set to MW.
Display
MW
1000
SHUF1
INTRO
4. Adjust with the volume RV1 on TU1 so that the “MW” indica-
tion 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
1000
SHUF1
INTRO
Adjustment Location: See page 18.

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Sony XR-4790 Specifications

General IconGeneral
BrandSony
ModelXR-4790
CategoryCar Receiver
LanguageEnglish

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