Sony MDX-C5960R Service Manual page 17

AM (MW) Auto Scan/Stop Level Adjustment
Setting:
[MODE]
button (MDX-C5970): AM
[MODE]
button (MDX-C5960R/C5970R): MW
FREQUENCY SELECT switch: AM 10 k (E model)
30 Ω 15 pF
65 pF
AM RF signal
generator
AM dummy antenna
(50 Ω )
set
antenna jack (J1)
Carrier frequency: 1000 kHz (MDX-C5970)
999 kHz (MDX-C5960R/5970R)
30% amplitude
modulation by
1 kHz signal
: 33 dB (44.7 µ V)
Output level
Procedure:
1. Set to the test mode. (See page 16)
[SOURCE]
2. Push the button and set to FM.
[MODE]
3. Push the button and set to AM (MDX-C5970) or MW
(MDX-C5960R/C5970R).
Display
*2
SHUF
*3
TP
*4
4. Adjust with the volume RV1 on TU1 so that the "AM" or "MW"
indication turns to "AM0" or "MW0" indication on the dis-
play window.
But, in case of already indicated "AM0" or "MW0", turn the
RV1 so that put out light "0" indication and adjustment.
Display
*2
SHUF
*3
TP
*4
*2: MDX-C5960R/C5970R indicate "MW".
*3: MDX-C5960R/C5970R indicate "999".
*4: Only MDX-C5960R/C5970R indicate.
Adjustment Location: See page 18.
RDS S-Meter Adjustment (MDX-C5960R/C5970R)
Setting:
[SOURCE]
button: FM
FM RF signal
generator
antenna jack (J1)
0.01 µ F
Carrier frequency: 98.0 MHz
: 35 dB (56.2 µ V)
Output level
Mode : mono
Modulation : no modulation
Procedure:
1. Set to the test mode. (See page 16)
[SOURCE]
2. Push the button and set to FM.
Display
SHUF
[10]
3. Push the preset button.
4. Adjust RV1 on MAIN board so that the display indication is
"11.2".
Display
SHUF
Specification: Display indication : 10.8 to 11.6
Adjustment Location: See page 18.
– 17 –
Adjustment Location:
– SET UPPER VIEW –
set
RV1 RDS S-Meter Adjustment
(MDX-C5960R/C5970R)
TU1
RV1 AM (MW) Auto Scan/Stop Level Adjustment
RV2 FM Auto Scan/Stop Level Adjustment
RV4 FM Sereo Separation Adjustment
– 18 –