Sony st s 550 es service manual

Page 2

ST-SSSOES

Usable sensitivity

MW: AM loop antenna 250 uV/m

External antenna 30 MV/ m

LW: AM loop antenna 700 uV/ m

Signal-tonoise ratio

External antenna 200 uV/ m

50 dB

Harmonic distortion 0.4%

Selectivity at 9 kHz

General
Power requirements

50 dB

UK model : 240 V AC, 50/60 Hz

Power consumption
Dimensions

Weight
Accessories supplied

AEP, West Germany, Italian model:
220 V AC, (or 240 V AC adjustable
by authorized Sony personnel),
50/60 Hz

US, Canadian model: 120 V AC, 60 Hz
10 W

Approxt 430x85><360 mm (w/h/d)
(I7X3/3><14/4 inches)

Approx. 4kg (8 Id 14 oz)

Remote control cord (1)

TABLE OF CONTENTS

Section Title Page
Specifications ..................................................................... 1
Model Identifications ...2
Safety Checkout ------ "'3
SECTION 1. GENERAL

1.1 Parts Identification .................................................... 4
SECTION 2. ADJUSTMENTS ........................................... 5

SECTION 3. DIAGRAMS
(H. FM Front End (FEIOI) Schematic Diagram ~~~~~~~~~~~~~~ 8
32. Semiconductor Lead Layouts ~ ~~ 10
3-3. Printed Wiring Boards
34. Schematic Diagram
3-5. IC Block Diagrams-~~

10
..13
.. 17

Connecting cord (1) SECTION 4 EXPLODED VIEW ...................................... 18
AM loop antenna (1)
SECTION 5. ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~~~~ 20
- MODEL IDENTIFICATIONS-
AEP. Italian Model UK Model

SONY-G

FM STEREO/FM-AM TUNER
AC 220 V~50/60 Hz

IE3]

SERIAL NO,

MADE IN JAPAN A
US, Canadian Model

MODEL NO. 51855053

SONYo

FM STEREO/FM-AM TUNER
AC I20V 60Hz 10W

MODEL No_ ST-S5SOES

SERIAL NOl
MADE IN JAPAN I

SAFETY-RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BV MARK [A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

r-"fi
SONY. moon no, STvS550ES
_._._....__

FM STEREO/FM~AM TUNER
AC 240 V~50/60Hz

IE

SERIAL NOl
MADE IN JAPAN

West Germany Model

SONY}

FM STEREO/FM-AM TUNER
AC 220V~50l60Hz

IE] g fills

SERIAL NO,
MADE IN JAPAN

MODEL N0. ST-SSS OES

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA SECURITEI

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
sua LES DIAGRAMMES scuéMATioues ET LA LISTE
DES PIECES som CRITIQUES POUR LA sécumré
DE FONCTIONNEMENT. NE REMFLACER css coM-
POSANTS QUE PAR DES mécss sonv DONT LES
NUMEROS som DONNES DANS ca MANUEL ou
DANS LES surnémems PueLIés PAR SONY.