Additional Information
Troubleshooting
If you experience any of the
following difficulties while using
the tuner, use this troubleshooting
guide to help you remedy the
problem. Should any problem
persist, consult your nearest Sony
dealer.
There's no sound.
/ Connect the aerials.
/ Set the source setting on the
amplifier to TUNER.
You cannot tune in a frequency.
/ Adjust the position of the aerial.
/ Connect an external aerial for FM
broadcasts.
/ Set IF BAND to "Narrow" (ST-
SB920 only).
/ Preset the stations again if you've
moved.
There is severe hum and/or
background noise.
/ Adjust the position or direction of
the aerial.
/ Tune to a correct frequency.
/ Connect an external aerial for FM
broadcasts.
/ Move the tuner away from the
source of the noise.
RDS isn't working.
/ Make sure that you tune to an FM
station.
/ Select a stronger FM station.
"No preset" appears in the display.
/ If the mains lead is disconnected
from the wall outlet for more than
one month, the memory is erased.
Preset stations again.
The station was interrupted by
another station / The tuner
automatically starts searching
stations.
/ The EON function is working.
Turn off EON when you don't
want the current programme
interrupted.
The appropriate display or
information does not appear.
/ Turn off the tuner. Press down
AUTO-BETICAL SELECT and the
numeric button 5 and press U to
turn the tuner back on. This
empties any frequencies stored in
the preset memory and returns the
display to the default language
(English).
/ Contact the radio station and find
out whether or not they actually
provide the service in question. If
so, the service may be temporarily
out of order.
Specifications
FM tuner section
Frequency range
87.5 - 108.0 MHz
Aerial terminals
75Ω, unbalanced
Intermediate frequency
10.7 MHz
Sensitivity
at 26 dB quieting
(mono) 10.3 dBf,
0.9 µV/75Ω
at 46 dB quieting
(stereo) 38.5 dBf,
23 µV/75Ω
Usable sensitivity (IHF) 10.3 dBf, 0.9 µV/75Ω
S/N
at 40 kHz deviation
ST-SB920:
80 dB (mono),
76 dB (stereo)
ST-SE520:
74 dB (mono),
69 dB (stereo)
Harmonic distortion
ST-SB920:
WIDE
0.035% (mono),
0.045% (stereo)
NARROW
0.055% (mono),
0.075% (stereo)
ST-SE520:
0.09% (mono),
0.18% (stereo)
Frequency response
ST-SB920:
30 Hz - 15 kHz
(+0.3/–0.7 dB)
ST-SE520:
30 Hz - 15 kHz
(+0.5/–1.0 dB)
Separation
ST-SB920
50 dB at 1 kHz
ST-SE520
45 dB at 1 kHz
Additional Information
Selectivity
ST-SB920
at 400 kHz
WIDE 85 dB
NARROW 90 dB
at 300 kHz
WIDE 45 dB
NARROW 70 dB
ST-SE520
at 400 kHz
85 dB
at 300 kHz
70 dB
Output
at 40 kHz deviation
600 mV
AM tuner section
Frequency range
MW: 522 - 1,611 kHz
(9 kHz step)
LW: 144 - 288 kHz
(1 kHz step)
Intermediate frequency
450 kHz
Usable Sensitivity
(with AM loop
aerial)
MW: 200 µV/m
LW: 700 µV/m
Signal-to-noise ratio
MW: 54 dB
(50 mV/m,
999 kHz)
LW: 50 dB
(50 mV/m,
216 kHz)
Harmonic distortion
0.3% (50 mV/m,
400 Hz)
Selectivity
50 dB
General
Power requirements
220 - 230 V,
AC 50/60 Hz
Power consumption
ST-SB920: 12 W
ST-SE520: 10 W
Input impedance
75Ω
Input connector
IEC-male
Dimensions
ST-SB920:
430 × 86 × 295 mm
(w/h/d)
ST-SE520:
430 × 82 × 295 mm
(w/h/d)
Weight
ST-SB920: 3.95 kg
ST-SE520: 2.5 kg
Supplied accessories
See page 4.
Design and specifications are
subject to change without notice.
GB
17