Sony STR-S255 - Page 2

STR-S255
Harmonic distortion TABLE OF CONTENTS
0.5% (stereo)
0.3% (mono)
at 1 kHz Section Title
Separation 40 dB at 1 kHz
AM tuner section Specifications
Frequency range 530 - 1610 kHz (at 10 kHz step)
531 - 1602 kHz (at 9 kHz step)
Function of Controls...................
Antenna AM loop antenna
External antenna terminal 1. E LECTRICAL ADJUSTMENTS oe oan 8
Intermediate frequency
450 kHz 2. DIAGRAMS
Usable sensitivity AM loop antenna: : . :
500 yV/m (1,000 kHz) 2-1. Tuner Section Mounting Diagram ......
Signal-to-noise ratio . 2-2. Tuner Section Schematic Diagram ......
54 dB 2-3. Amplifier Section Mounting Diagram ....
Harmonic sae 2-4. Amplifier Section Schematic Diagram... .
ss 0
Pesiete 100W max. unswitched . PAEODED MIEMSURNG
Dimensions Approx. 430 x 225 x 355 mm (w/h/d) PARTS LIST ...................
(17 x 83/4 x 14 inches)
incl. projecting parts and controls 4. ELECTRICAL PARTS LIST.........
Weight Approx. 9.2 kg (20 Ib 5 0z) net
To change the AM tuning interval
The AM tuning interval is preset at the factory to 10 kHz to
match the frequency allocation system of your country. To
change the interval to 9 kHz, proceed as follows.
1 Depress the POWER switch to turn on the system.
2 Press the FM/AM BAND selector to select AM.
3 Press the POWER switch to turn off the system.
4 While pressing the ‘+’ TUNING button, press the POWER
switch to turn it on.
To reset the interval to 10 kHz, follow the same procedure.
Note
When the interval is changed, all stations memorized to the
10-key station preset selector will be erased.
After changing the interval, be sure to memorize the stations
again.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
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