Sony XR-C7220R Service Manual

– 20 –
FM RDS S-Meter Adjustment
Setting:
[SOURCE] button: FM
Procedure:
1. Set to the test mode. (See page 18)
2. Push the [SOURCE] button and set to FM.
Display
3. Push the
[10] button.
4. Adjust RV10 so that the display indication is “13.2”.
Display
Specification: Display indication: 13.0 to 13.4
Adjustment Location: See page 22.
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level : 35 dB (56.2
µ V)
Mode : mono
Modulation : no modulation
0.01 µ F
set
antenna jack
SHUF
SHUF
FM Stereo Separation Adjustment (Narrow)
Setting:
[SOURCE] button : FM
[SHIFT] button : ON (light up SET UP and
PLAY MODE)
Preset [4] (PLAY MODE)
n [5] (n) buttons : NARROW mode
Procedure:
L-CH Stereo separation: A-B
R-CH Stereo separation: C-D
The separations of both channels should be equal.
Specification: Separation more than 18 dB
Adjustment Location: See page 22.
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level : 70 dB (3.2 mV)
Mode : stereo
Modulation : main: 1 kHz, 20 kHz deviation (26.7%)
sub : 1 kHz, 20 kHz deviation (26.7%)
: 19 kHz pilot: 7.5 kHz deviation (10%)
0.01 µ F
set
antenna jack
+
–
LINE OUT REAR jack
(CN780)
level meter
10 k
Ω
FM Stereo
Level meter Level meter
signal generator
connection reading (dB)
output channel
L-CH L-CH A
B
R-CH L-CH Adjust RV4 on TUX10
for minimum reading.
R-CH R-CH C
D
L-CH R-CH Adjust RV4 on TUX10
for minimum reading.

Sony XR-C7220R Specifications

General

Brand	Sony
Model	XR-C7220R
Category	Car Receiver
Language	English