Sony ST-SA50ES - Am/fm Tuner Manuel d'utilisation - Page 12
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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 antennas.
/ Set the source setting on
the amplifier to TUNER.
You cannot tune in a frequency.
/ Adjust the position of the
antenna.
/ Connect an external
antenna (for FM
broadcasts) or run an extra
length of wire from the AM
ANTENNA connector (for
AM broadcasts).
/ Set IF BAND to "Narrow".
/ Preset the stations again if
you've moved.
There is severe hum and/or
background noise.
/ Adjust the position or
direction of the antenna.
/ Tune to the correct
frequency.
/ Connect an external
antenna (for FM
broadcasts) or run an extra
length of wire from the AM
ANTENNA connector (for
AM broadcasts).
/ Move the tuner away from
the source of the noise.
"No preset" appears in the display.
/ If the power cord is
disconnected from the wall
outlet for more than one
month, the memory is
erased. Preset stations
again.
12
The station name does not appear in
the display.
/ Press DISPLAY until the
station name appears.
The appropriate display or
information does not appear.
/ Turn the power off. Press
and hold MENU and the 5
button and press POWER
to turn the power back on.
This empties any
frequencies stored in the
preset memory.
Specifications
FM tuner section
Frequency range
87.5 - 108.0 MHz
Antenna terminals
75 ohms,
unbalanced
Intermediate frequency
10.7 MHz
Sensitivity
at 26 dB quieting
(mono) 10.3 dBf,
0.9 µV/75 Ω
at 46 dB quieting
(stereo) 38.5 dBf,
23 µV/75 Ω
Usable sensitivity (IHF)
10.3 dBf, 0.9 µV/
75 Ω
S/N
at 40 kHz deviation
95 dB (mono),
86 dB (stereo)
Harmonic distortion
WIDE
0.008% (mono),
0.02 % (stereo)
NARROW
0.04% (mono),
0.07 % (stereo)
Frequency response
15 Hz - 15 kHz
(±0.2 dB)
Separation
65 dB at 1 kHz
Selectivity
at 400 kHz
WIDE 80 dB
NARROW 90 dB
at 300 kHz
WIDE 45 dB
NARROW 70 dB
Output
at 40 kHz deviation
600 mV