Sony CDX-4240R Service Manual page 18

MW Auto Scan/Stop Level Adjustment
Setting :
D-BASS switch : OFF
SOURCE — MODE button : MW
AM RFF signal
generator
AM dummy
antenna (50 Q)
antenna
terminal
Carrier frequency : 999 kHz
30% amplitude
modulation by
1 kHz signal
output level : 33 dB (44.7 nV)
Procedure :
1. Set to the test mode. (See page 16.)
2. Push the |SOURCE | button.
3. Push the |MODE| button and set to MW.
Display
4. Push the preset |3| button.
Display
5. Adjust with the volume RVI on TU601 so that the "MW"
indication turns to "MW0" indication on the display window.
But, in case of already indicated "MW0O", turn the RV1 so that
put out light "0" indication and adjustment.
Display
Mod vl "oO rac
2 a
Adjustment Location : tuner unit (TU601)
Adjustment Location : tuner unit (TU601)
TU601 ————-+|
RV1
MW AUTO SCAN/
STOP LEVEL ADJ
RV2———-+-*C) a
FM AUTO SCAN/
STOP LEVEL ADJ D |
RV801
FM RDS
S-METER ADJ
RV4
FM STEREO
SEPARATION ADJ
(NARROW)
pt
ae
oy]
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