Read Sony XR-C6090R / XR-C6100R Service Manual online
– 17 –
FM Stereo Separation Adjustment
Setting:
[SOURCE]
button: FM
Procedure:
1. Tuner the 98.00 MHz.
2. The then output level is supposing that (A) dB.
3. Adjust with the volume RV3 on TU1 so that the output level is
1. Tuner the 98.00 MHz.
2. The then output level is supposing that (A) dB.
3. Adjust with the volume RV3 on TU1 so that the output level is
(A) –32 ± 2 dB then signal generator input set to –20 dB.
Adjustment Location: See page 19.
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 TU1
for minimum reading.
R-CH
R-CH
C
D
L-CH
R-CH
Adjust RV4 on TU1
for minimum reading.
Procedure:
L-CH Stereo separation: A-B
R-CH Stereo separation: C-D
The separations of both channels should be equal.
R-CH Stereo separation: C-D
The separations of both channels should be equal.
Specification: Separation more than 30 dB
Adjustment Location: See page 19.
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level
Output level
: 60 dB (1 mV)
Mode
: stereo
Modulation
: 1 kHz, 75 kHz deviation (100%)
0.01
µ
F
set
antenna jack (J1)
+
–
–
speaker out terminal
level meter
4
Ω
FM RF signal
generator
Carrier frequency : 98.0 MHz
Output level
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%)
sub: 1 kHz, 20 kHz deviation (26.7%)
:
19 kHz pilot: 7.5 kHz deviation (10%)
0.01
µ
F
set
antenna jack (J1)
+
–
–
speaker out terminal
level meter
4
Ω
FM Noise Focus Adjustment
Setting:
[SOURCE]
button: FM
FM Signal Meter Adjustment
Setting:
[SOURCE]
button: FM
Procedure:
1. Set to the test mode. (See page 15.)
2. Push the
1. Set to the test mode. (See page 15.)
2. Push the
[SOURCE]
button and set to FM.
Display
3. Push the
[6]
button.
4. Adjust RV1 so that the display indication is “160”.
Display
Specification: Display indication: 158 to 162
Adjustment Location: See page 19.
FM RF signal
generator
Carrier frequency : 98.00 MHz
Output level
Output level
: 35 dB (56.2
µ
V)
Mode
: mono
Modulation
: no modulation
0.01
µ
F
set
antenna jack (J1)
INTRO
FM
FM
INTRO
REG
Click on the first or last page to see other XR-C6090R / XR-C6100R service manuals if exist.