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Sony ST-S444ES Service Manual

Sony ST-S444ES Service Manual

Fm stereo /fm-am tuner

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FM tuner section
:
:
:
—s]
Tuning range
87.5 MHz - 108 MHz
Signal-to-noise ratio 5 is el
ns Gene
Antenna terminals
Pe
75 ohms, unbalanced
Harmonic distortion
|Mono:
0.03 % (WIDE), 0.05 %
Intermediate frequency
at 1 kHz
(NARROW)
10.7 MHz
Stereo:
0.04 % (WIDE), 0.06 %
(NARROW)
;
IM distortion
Mono:
0.03 %
(WIDE), 0.05 %
AEP,
UK model | US,
Canadian, €
Nesdon
Re
(at 40 kHz
model (at 75 kHz
|
Stereo: 0.04 % (WIDE), 0.06 %
deviation)
deviation)
|
(NARROW)
|
é
Sensitivity
at 46 dB quieting
|at50 dB quieting
|
Separation
17.3 dBf, 2 uV
16.8 dBf, 1.8 pV
at 1 kHz
60 dB
(mono)
(mono)
37.9 dBf, 22.5 yV|
37.9 dB, 22.5 pV
Frequency response | 40 Hz - 12.5 kHz
(stereo)
(stereo)
+0.2 dB
30 Hz - 15 KHz
r
30 Hz - 15 kHz
+0.2 dB
Usable sensitivity
|10.3 dBf,0.9yV
| 10.3 dBf, 0.94V
+0.2 dB
ve
(IHF)
(IHF)
~0.5
0.8 pV (S/N = 26 dB)
Selectivity
at 300 kHz
at 400 kHz
30 (WIDE)/57
60 (WIDEV90
_ (NARROW) dB
(NARROW) dB
MICROFILM }
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.
ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!
LES COMPOSANTS
IDENTIFIES
PAR
UNE
TRAME
ET
UNE
MARQUE
A SUR
LES
DIAGRAMMES
SCHE-
MATIQUES
ET LA LISTE DES PIECES SONT CRITIQUES
POUR
LA SECURITE
DE
FONCTIONNEMENT.
NE REM-
PLACER
CES
COMPOSANTS
QUE
PAR
DES
PIECES
SONY
DONT
LES NUMEROS
SONT
DONNES
DANS
CE
MANUEL
OU
DANS
LES SUPPLEMENTS
PUBLIES PAR
SONY.
US Model
Canadian Model
AEP Model
UK Model
E Model
Capture ratio
1.0 dB
AM suppression ratio
65 dB
Image response ratio
120 dB
IF response ratio
120 dB
— Continued on next page —
FM STEREO /FM-AM TUNER
ON Y.

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