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Sony SA-WMS445 Service Manual
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Sony SA-WMS445 Service Manual

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SERVICE MANUAL
Ver 1.1 2003. 04
The SA-VE445H system consists of one
unit of SA-WMS445 and five units of SS-
MS445.
SA-VE445H
For the U.S. model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
with 6 ohm loads both channels driven, from 20 – 200 Hz;
rated 135 watts per channel minimum RMS power, with
no more than 0.8% total harmonic distortion from
250 milliwatts to rated output.
SS-MS445 (front, center, and surround speakers)
Speaker system
2 way, magnetically shielded
Speaker units
Woofer: 5.7 cm (2
balanced dome type
Tweeter: 2.5 cm (1 in.),
balance dome type
Enclosure type
Bass reflex
Rated impedance
8 ohms
Power handling capacity
Maximum input power:
120 watts
Sensitivity level
84 dB (1 W, 1 m)
Frequency range
120 Hz – 50,000 Hz
Dimensions (w/h/d)
Approx. 88 × 172 × 133 mm
(3
× 6
× 5
1/2
7/8
including front grille
Mass
Approx. 1.3 kg (2 lb 14 oz) each
SA-WMS445 (subwoofer)
Speaker system
Active subwoofer,
magnetically shielded
Speaker unit
Woofer: 20 cm (8 in.),
cone type
Enclosure type
Advanced SAW type
Reproduction frequency range
26 Hz – 200 Hz
Continuous RMS power output
135 W (6 ohms 20 Hz – 20 kHz,
0.8% THD) (US, CND model)
120 W (6 ohms 20 Hz – 20 kHz,
0.8% THD) (AUS, SP, MY model)
Sony Corporation
9-877-090-02
2003D0400-1
Home Audio Company
© 2003. 04
Published by Sony Engineering Corporation
SA-WMS445
SPECIFICATIONS
in.),
1/4
in.)
1/4
SA-VE445H/WMS445/
SS-MS445
SS-MS445
(front and rear)
(center)
Inputs
LINE IN (input pin jack)
SPEAKER IN (input terminals) (US, CND model)
Outputs (US, CND model)
SPEAKER OUT (output terminals)
General
Power requirements
120 V AC, 60 Hz (US, CND model)
220 – 240 V AC, 50/60 Hz (AUS model)
110 – 120/220 – 240 V AC, 50/60 Hz
(SP, MY model)
Power consumptions
90 W
1 W (standby mode)
Dimensions (w/h/d)
Approx. 230 × 392 × 464 mm
(9
1/8
including front grille (US, CND model)
Approx. 230 × 392 × 447 mm
(9
1/8
including front grille (AUS, SP, MY model)
Mass
Approx. 13.2 kg (29 lb 2 oz)
Supplied accessories
Foot pads (4 × 5)
Audio connecting cord (1)
Speaker connecting cords, 10 m (32.8 ft) (2)
Speaker connecting cords, 3.5 m (11.5 ft) (3)
Design and specifications are subject to change without
notice.
• Abbreviation
CND : Canadian model
AUS : Australian model
SP
: Singapore model
MY
: Malaysia model
MICRO SATELLITE SYSTEM
SS-MS445
US Model
Canadian Model
E Model
Australian Model
× 15
× 18
in.),
1/2
3/8
× 15
× 17
in.),
1/2
5/8
1

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  • Page 1 SA-VE445H/WMS445/ SS-MS445 SERVICE MANUAL US Model Canadian Model Ver 1.1 2003. 04 E Model Australian Model The SA-VE445H system consists of one unit of SA-WMS445 and five units of SS- SA-WMS445 SS-MS445 SS-MS445 MS445. (front and rear) (center) SPECIFICATIONS SA-VE445H...

  • Page 2: Table Of Contents

    LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Diagrams

    SA-VE445H/WMS445/SS-MS445 SECTION 1 DIAGRAMS 1-1. CIRCUIT BOARDS LOCATION (SA-WMS445) POWER board AUTO POWER board LED board MAIN board POWER SWITCH board CONTROL board...
  • Page 4 SA-VE445H/WMS445/SS-MS445 Ver 1.1 • Semiconductor Note on Schematic Diagram: Location • All capacitors are in µF unless otherwise noted. pF: µµF Ref. No. Location 50 WV or less are not indicated except for electrolytics D101 and tantalums. D102 • All resistors are in Ω and W or less unless otherwise D103 specified.

  • Page 5: Printed Wiring Boards (Sa-Wms445)

    SA-VE445H/WMS445/SS-MS445 Ver 1.1 1-2. PRINTED WIRING BOARDS (SA-WMS445) • Refer to page 3 for Circuit Boards Location. TM101 J101 SPEAKER S701 LINE POWER SAVE MAIN BOARD (CHASSIS) AUTO R702 R709 R705 C516 T501 R711 C502 R101 R114 C102 R121 JW16...

  • Page 6: Schematic Diagram (Sa-Wms445)

    SA-VE445H/WMS445/SS-MS445 Ver 1.1 1-3. SCHEMATIC DIAGRAM (SA-WMS445) D101 R105 D102 IC101(1/2) R101 C101 R111 R106 R203 S201 C209 R103 IC202(1/2) C102 R110 R109 IC203(1/2) TM101 IC201 R201 C204 IC203(2/2) D104 C202 C203 R212 R219 R220 R104 R108 C103 D103 C511...

  • Page 7: Exploded Views

    AUS : Australian model Ne les remplacer que par une piéce : Singapore model portant le numéro spécifié. MY : Malaysia model 2-1. FRONT PANEL SECTION (SA-WMS445) supplied with RV201 and S201 supplied Ref. No. Part No. Description Remark Ref.

  • Page 8: Rear Panel Section (Sa-Wms445)

    SA-VE445H/WMS445/SS-MS445 Ver 1.1 2-2. REAR PANEL SECTION (SA-WMS445) not supplied not supplied not supplied T601 F601 supplied F602 not supplied T501 not supplied not supplied The components identified by Les composants identifiés par une mark 0 or dotted line with mark marque 0 sont critiques pour 0 are critical for safety.

  • Page 9: Front, Center, And Surround Speakers Section (Ss-Ms445)

    SA-VE445H/WMS445/SS-MS445 Ver 1.1 2-3. FRONT, CENTER, AND SURROUND SPEAKERS SECTION (SS-MS445) not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-4955-346-1 FRAME (V) ASSY, GRILLE (for VERTICAL) X-4955-345-1 CABINET ASSY X-4955-347-1 FRAME (H) ASSY, GRILLE (for HOLIZONTAL) 1-694-516-21 TERMINAL, SPEAKER 4-244-813-01 BOLT, ORNAMENTAL 1-825-313-11 SPEAKER (5.7cm) (WOOFER)

  • Page 10: Electrical Parts List

    SA-VE445H/WMS445/SS-MS445 Ver 1.1 SECTION 3 AUTO POWER ELECTRICAL PARTS LIST CONTROL NOTE: • Due to standardization, replacements in • SEMICONDUCTORS The components identified by mark 0 or dotted line with mark the parts list may be different from the In each case, u : µ, for example: 0 are critical for safety.
  • Page 11 SA-VE445H/WMS445/SS-MS445 Ver 1.1 CONTROL MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R206 1-249-429-11 CARBON 1/4W C304 1-162-282-31 CERAMIC 100PF R207 1-249-437-11 CARBON 1/4W C305 1-162-302-11 CERAMIC 0.0022uF 30% R208 1-249-429-11 CARBON 1/4W C306 1-101-804-00 CERAMIC 10PF 500V R209...
  • Page 12 SA-VE445H/WMS445/SS-MS445 Ver 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > R116 1-249-427-11 CARBON 6.8K 1/4W (US,CND) IC101 8-759-145-58 IC uPC4558C R117 1-247-843-11 CARBON 3.3K 1/4W IC102 8-759-145-58 IC uPC4558C R118 1-249-429-11 CARBON 1/4W IC104 8-759-145-58 IC uPC4558C...
  • Page 13 1-533-418-11 FUSE, GLASS CYLINDRICAL (DIA.5) < TERMINAL > (2.5A/125V) (US,CND) 0 F602 1-532-503-31 FUSE (T1.6AL/250V) (SP,MY) TM101 1-537-737-11 TERMINAL BOARD (SPEAKER) (US,CND) 1-529-296-12 SPEAKER (20cm) (WOOFER) (SA-WMS445) (AUS,SP,MY) ************************************************************* 1-825-151-11 SPEAKER (20cm) (WOOFER) (SA-WMS445) 1-680-786-11 POWER BOARD (US,CND) ************* 1-825-313-11 SPEAKER (5.7cm) (WOOFER) (SA-MS445) <...
  • Page 14 SA-VE445H/WMS445/SS-MS445 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2003. 02 2003.

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Sa-ve445hSs-ms445

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