Sony CDX-4170R Service Manual page 21

MW Auto Scan/Stop Level Adjustment
Setting :
D-BASS switch
SOURCE n MODE 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 20.)
2. Push the SOURCE button.
3. Push the MODE button and set to MW.
Display
REG
4. Push the preset 3 button.
Display
REG
5. Adjust with the volume RV1 on TU101 so that the "MW"
indication 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
REG
Adjustment Location : tuner unit (TU101)
: OFF
30 Ω 15 pF
65 pF
set
antenna
terminal
INTRO
INTRO
INTRO
Adjustment Location : tuner unit (TU101)
TU101
RV1
MW AUTO SCAN/
STOP LEVEL ADJ
RV2
FM AUTO SCAN/
STOP LEVEL ADJ
RV3
FM NOISE
FOCUS ADJ
RV4
FM STEREO
SEPARATION ADJ
– 22 –
– set upper view –
RV101
FM RDS
S-METER
ADJ