Sony XR-C7220R Service Manual page 21

MW Auto Scan/Stop Level Adjustment
Setting:
[SOURCE] [MODE]
n
buttons
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 18)
[SOURCE]
2. Push the button and set to FM.
[MODE]
3. Push the button and set to MW.
Display
TP
[3]
4. Push the preset button.
Display
TP
5. Adjust with the volume RV1 on TUX10 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
TP
Adjustment Location: See page 22.
: MW
30 Ω 15 pF
65 pF
set
antenna jack
SHUF
SHUF
SHUF
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