STR-W550 Datasheet PDF - Sony

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STR-W550
Sony

Part Number STR-W550
Description FM STEREO/FM-AM RECEIVER SERVICE MANUAL
Page 30 Pages


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SERVICE MANUAL
STR-W550
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Tourist Model
STR-W550 is RECEIVER section in
MHC-W550
SPECIFICATIONS
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5-108.0MHz (EXCEPT JE)
76.0-108.0MHz (JE)
Aerial
FM lead aerial
Aerial terminals
75 ohm unbalanced
Intermediate frequency 10.7MHz
AM tuner section
Tuning range
(Canadian,Thai,Argentine,Australian,E2)
AM: 530-1,710kHz
(with interval set at 10kHz)
531-1,710kHz
(with interval set at 9kHz)
(EXCEPT Canadian,Thai,Argentine,
Australian,E2)
MW: 531-1,602kHz
(with interval set at 9kHz)
(AEP,UK)
LW: 153-279kHz
(with interval set at 3kHz)
(EXCEPT AEP,UK,Canadian,Thai,
Argentine,Australian,E2)
SW: 5.95-17.90MHz
(with interval set at 9kHz)
Intermediate frequency 450kHz
Aerial
AM loop aerial,
External aerial terminal
Video section
Inputs
AV INPUT VIDEO
(phone jack) :
1 Vp-p, 75 ohms
MONITOR OUT
(phone jack) :
1 Vp-p, 75 ohms
Amplifier section
DIN power output
Music power output
Inputs
Outputs
80W +80W
(6 ohms at 1kHz, DIN)
190W + 190W
(6 ohms at 1kHz, 10%, THD)
MD/VIDEO 1 IN (phono jacks) : voltage 250 mV,
impedance 47 kilo ohms AV INPUT AUDIO
(phone jacks) : voltage 250 mV, impedance 47
kilo ohms
MIX/MIC (phone jack) :sensitivity 1mV,
impedance 10 kilo ohms
MD/VIDEO 1 OUT
(phone jacks) : voltage 250
mV, impedance 1 kilo ohm
PHONES (stereo phone
jack) : accepts headphone
of 8 ohms or more.
SPEAKER : accepts
impedance of 6 to 16
ohms
SUPER WOOFER :
Voltage 1 V, impedance 1
kilo ohms
— Continued on next page —
E2 : Tuner sections SW band do not exist.
FM STEREO/FM-AM RECEIVER
MICROFILM



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General
Power requirements
Power consumption
Dimensions (w / h / d)
120V AC, 60 Hz (Canadian)
240V AC, 50/60 Hz (Australian)
220V AC, 50/60 Hz (Thai)
220 - 230V AC, 50/60 Hz
(AEP,East European,CIS)
220 - 240V AC, 50/60 Hz (UK)
110 - 120V/220-240V AC adjustable, 50/60 Hz
(OTHER MODEL)
170 watts
Approx. 280 × 205 × 336 mm
Mass
Approx. 7.0 kg
Design and specifications are subject to change without notice.
TABLE OF CONTENTS
1. GENERAL ······································································ 3
2. TEST MODE ·································································· 5
3. ELECTRICAL ADJUSTMENTS ····························· 6
4. DIAGRAMS
4-1. Circuit Boards Location ····················································· 8
4-2. Printed Wiring Board — Tuner Section — ························ 9
4-3. Schematic Diagram — Tuner Section — ························· 11
4-4. Printed Wiring Board — Panel Section — ······················· 14
4-5. Schematic Diagram — Panel Section — ························· 17
4-6. Printed Wiring Board — Main Section — ······················· 20
4-7. Schematic Diagram — Main Section — ·························· 23
4-8. Printed Wiring Board and Schematic Diagram
— Power Section — ························································· 27
4-9. IC Pin Function ································································ 31
4-10. IC Block Diagrams ··························································· 33
5. EXPLODED VIEWS
5-1. Main Section ····································································· 35
5-2. Panel Section ···································································· 36
6. ELECTRICAL PARTS LIST ··································· 37
MODEL IDENTIFICATION
— Model Number Label —
MODEL IDENTIFICATION
MODEL NO.STR-W550
FM STEREO/FM-AM RECEIVER
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tentalum capacitor may be damaged
by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH
MARK ! 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
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE ! SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
CND : AC 120V AC, ~ 60Hz 170W
AUS : AC 240V AC, ~ 50/60Hz 170W
TH : AC 220V AC, ~ 50/60Hz 170W
AEP, EE, CIS : AC 220-230V ~ 50/60Hz 170W
UK : AC 220-240V ~ 50/60Hz 170W
OTHER MODEL : AC 110-120V, 220-240V selectable
~ 50/60Hz 170W
• Abbreviations
TH : Thai
SP : Singapore AR : Argentine
HK : HongKong EA3 : Saudi Arabia AUS : Australian
TW : Taiwan
EA4 : Israel
MY : Malaysia
IA : Indonesian JE : Tourist
CND : Canadian
EE : East European
E2 : Tuner sections SW band do not exist.
E3 : Tuner sections SW band exist.
—2—



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— FRONT PANEL —
SECTION 1
GENERAL
1 KARAOKE PON/MPX button
2 SURROUND button
3 EFFECT ON/OFF button
4 MUSIC button
5 MOVIE button
6 GAME button
7 P FILE button
8 MEMO button
9 DBFB button
VOLUME
GROOVE button
!™ TUNER BAND button
MONO/ST button
FUNCTION button
!∞ MIC LEVEL
MIX MIC jack
PHONES jack
!• EDIT button
PLAY MODE button
1/ALL DISCS button
REPEAT button
@™ HIGH FREQ button
ENTER/NEXT button
MULTI JOG STATION dial
@∞ LOW FREQ button
MEMORY button
TUNING MODE button
@• FLASH button
LOOP button
WAVE button
AV INPUT jack
#™ CLOCK TIMER SET button
TIMER SELECT button
RDS button (AEP, UK MODEL)
#∞ DISPLAY button
POWER button
—3—



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— BACK PANEL —
Photo : E MODEL
ANTENNA terminal
#• SYSTEM CONTROL
MD/VIDEO jack
FRONT SPEAKER terminal
SUPER WOOFER jack
$™ MONITOR OUT jack
VOLTAGE SELECTOR switch
(E, Saudi Arabia, Singapore, Malaysia, Hong
Kong, Taiwan, Indonesian, Argentine, Tourist
MODEL)
—4—



STR-W550 datasheet pdf
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STR-W550 pdf
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