Sony MDX-C8900 Service Manual page 25

AM Auto Scan/Stop Level Adjustment
Setting:
Band: AM
FREQUENCY SELECT switch (E model): AM 10 k
30 Ω 15 pF
65 pF
AM RF signal
generator
AM dummy antenna
(50 Ω )
set
antenna jack (CNP1)
Carrier frequency : 1000 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 23.)
[SOURCE]
2. Push the button and set to FM.
[MODE]
3. Push the button and set to AM.
Display
SHUF
4. Adjust the volume RV1 on TU1 by turning clockwise untill
"0" is shown next to "AM" on the display window, If "0" is
already shown or the volume RV1 has been turned too far,
turn it back counterclockwise untill "0" is disappeared once,
then try this adjustment.
Display
SHUF
Adjustment Location:
– SET UPPER VIEW –
TU1
RV1 AM Auto Scan/Stop Level Adjustment
RV2 FM Auto Scan/Stop Level Adjustment
RV3 FM Stereo Separation Adjustment (Wide)
RV4 FM Stereo Separation Adjustment (Narrow)
Front
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