XR-3750, XR-3758, XR-3759, XR-7750, XRS-888 - Sony Car Audio Service Manual (repair manual). Page 15

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AM (MW) Auto Scan/Stop Level Adjustment
Make this adjustment after “FM Auto Scan/Stop Level Adjustment”.
Setting:
[SOURCE]
and
[MODE]
button: MW
AM RF signal
generator
Carrier frequency : 999kHz
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 13)
2. Push the
[SOURCE]
button and set to FM.
3. Push the
[MODE]
button and set to MW.
Display
MW
999
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
999
SHUF1
INTRO
Adjustment Location: See page 16.
Page of 36
Display

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