Sony SA-WMS356 Manual de usuario

SERVICE MANUAL

Sony Corporation

Home Audio Company

Published by Sony Engineering Corporation

AEP Model

UK Model

SUBWOOFER

9-877-843-01

2004E0478-1

Ver 1.0 2004.05

SPECIFICATIONS

SA-WMS356/WMS556

•SA-WMS356/WMS556 are the subwoofer

section in SA-VE356T/VE556H.

Speaker system Active subwoofer,

magnetically shielded

Speaker unit Woofer: 15 cm ×2, cone type

Enclosure type Acoustically loaded

Bass Reflex

Reproduction frequency range

28 Hz - 200 Hz

Amplifier section

Continuous RMS power output

SA-WMS356:

120 W (6 ohms, 100 Hz,

10 % THD)

SA-WMS556:

150 W (6 ohms, 100 Hz,

10 % THD)

Inputs

INPUT (input pin jack)

General

Power requirements

230 - 240 V AC, 50/60 Hz

Power consumptions

120 W

1 W (standby mode)

Dimensions (w/h/d)

Approx. 180 ×405 ×501 mm,

including front grille

Mass Approx. 12 kg

Design and specifications are subject to change

without notice.

SA-WMS356/WMS556

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE

WITH MARK 0ON 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.

UNLEADED SOLDER

Boards requiring use of unleaded solder are printed with the lead-

free mark (LF) indicating the solder contains no lead.

(Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size)

: LEAD FREE MARK

Unleaded solder has the following characteristics.

•Unleaded solder melts at a temperature about 40 °C higher

than ordinary solder.

Ordinary soldering irons can be used but the iron tip has to be

applied to the solder joint for a slightly longer time.

Soldering irons using a temperature regulator should be set to

about 350 °C.

Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

•Strong viscosity

Unleaded solder is more viscou-s (sticky, less prone to flow)

than ordinary solder so use caution not to let solder bridges

occur such as on IC pins, etc.

•Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may

also be added to ordinary solder.

TABLE OF CONTENTS

1. DIAGRAMS

1-1. Printed Wiring Board – MAIN Section – ........................ 5

1-2. Schematic Diagram – MAIN Section –........................... 6

1-3. Printed Wiring Board – CONTROL Section –................ 7

1-4. Schematic Diagram – CONTROL Section –................... 8

2. EXPLODEDVIEWS

2-1. Front Panel Section ......................................................... 9

2-2. Rear Cover Section.......................................................... 10

2-3. Bottom Panel Section ...................................................... 11

3. ELECTRICAL PARTS LIST .................................. 12

SA-WMS356/WMS556

SECTION 1

DIAGRAMS

For Schematic Diagrams.

Note:

•All capacitors are in µF unless otherwise noted. (p: pF)

50WV or less are not indicated except for electrolytics and

tantalums.

•All resistors are in Ωand 1/4W or less unless otherwise

specified.

• f: internal component.

•C: panel designation.

•A: B+ Line.

•B: B– Line.

•Voltages and waveforms are dc with respect to ground un-

der no-signal (detuned) conditions.

no mark: Power on

•Voltages are taken with aVOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal production

tolerances.

•Signal path.

F: AUDIO

For Printed Wiring Boards.

Note:

•X: parts extracted from the component side.

•Y: parts extracted from the conductor side.

•: Pattern from the side which enables seeing.

THIS NOTE IS COMMON FOR PRINTEDWIRING BOARDS AND SCHEMATIC DIAGRAMS.

(In addition to this, the necessary note is printed in each block.)

Note: The components identified by mark 0or dotted

line with mark 0are critical for safety.

Replace only with part number specified.

LED board

MAIN board

CONTROL board

POWER AMP board

POWER SUPPLY board

POWER SWITCH board

NOTE FOR PRINTEDWIRING BOARDS AND SCHEMATIC DIAGRAMS

•Circuit Boards Location

SA-WMS356/WMS556

1 2 3 4 5 6 7 8 9 10 11 12 13

IC701 STK404-140S

•IC Block Diagram

– POWER AMP Board –

SA-WMS356/WMS556

234567891011 12 13 14

C713

Q702

R706

C701

R702

R703

R701

CN701

C707

R708

R714

C710

D701

D702

D703

Q701 R711

R709

R710

R707

C705

R705

R712

R713

R704

C712

JW703

JW704

JW707

C702

C704

IC701

R715

R716

R717

C703

C708

C709

C706

JW705

JW708

JW702

JW701

CN702

C711

JW709

C716

JW711

C715

C714

D202

BC201

BC903

T102

CN1

F901

T202

C901

D901

RY901

BC901 BC902

F11

F12

JW053

JW052

JW051

C902

CN904

C201

S201

BC202

BC801

D805

C801

C802

C803

C804

BC802

R303

R304

C301

C302

C305

C306

C307

C308

D301

D302

D303

D304

D305

D306

R101

R102

R103

R104

R105

R106

C101

C102

Q104

Q105

R531

R532

R534

R535

R536

R537

R538

R539

R540

R542

C531

D532

D533

R404

R405

R400

D400

D401

C401

C403

Q401

Q402

Q403

RY400

BC401

CN804

CN805

IC530

BC803

Q532

R533

D531

R401

R406

G1 G2

JW801

JW802

JW807

JW809

JW810

JW811

JW813 JW814

JW816

JW817

JW818

JW819

JW820

JW821

JW822

JW823

JW824

JW825

JW826

JW828

JW829

JW830

JW832

JW833

C303

C304

JW808

C532

Q404

Q533

Q534

Q535

JW834

JW835

JW812

Q102

Q101

Q103

JW837

C402

JW827

R402

R403

Q301

Q302

Q531

C806

JW805

JW804

C805

R800

JW301

JW302

R541

1-1. PRINTED WIRING BOARD — MAIN SECTION — •See page 3 for Circuit Boards Location. :Uses unleaded solder.

• Semiconductor

Location

Ref. No.

Location

D202 I-3

D301 H-8

D302 H-8

D303 H-8

D304 I-8

D305 H-9

D306 H-9

D400 F-12

D401 E-8

D531 H-12

D532 G-13

D533 I-12

D701 B-9

D702 B-9

D703 B-8

D805 F-8

D901 E-4

IC530 H-13

IC701 C-10

Q101 H-11

Q102 H-11

Q103 H-11

Q104 I-12

Q105 H-11

Q301 H-9

Q302 H-9

Q401 F-11

Q402 E-11

Q403 F-12

Q404 E-12

Q531 G-13

Q532 I-12

Q533 H-13

Q534 I-12

Q535 I-11

Q701 C-8

Q702 C-12

(Page 7)

SA-WMS356/WMS556

IC B/D

C902

C901

C803

C804

D400

D401

Q403

D302

D304

D301

D303

BC902

S201

BC202

C531

R531

D531

R533

R532D532

R536

R535

R538

R539

C532

R534

Q534

Q535

D533

D901

R400

R401

R402

R403

R404

R405 C401

C402

C403

R406

R537

R303

R304

R101

Q101

C712

C710 C704

D703

D702

D701

C713

R713

C703R702 R703

C707

C708

R707

C705

R708

C706

R704

R709

R710

R711

C711

R715

R716

R717

C301

C302

C303

C304

C305

C306

C307

C308

R102

R103

R104

R105

R106

C101

C102

Q102

R540

R541

R542

C801

C802

Q103

R800

R714

C701C702

R712 CN701 CN805

CN702

D305

D306

BC401

BC801 CN905

Q702

Q701

Q531

Q532

Q533

D805

Q105

Q402 Q401 SP401

RY400

RY901

T202

T102

CN1

IC701

R701

R706

Q301

Q302

Q104

Q404

BC901

CN804

BC802 CN904

CN102

BC903

BC803

C709

IC530(2/2)

IC530(1/2)

C715

C714

C716

R705

BC201

D202

F901

C201

C806

C805

100V

1-2. SCHEMATIC DIAGRAM — MAIN SECTION — •See page 3 for IC Block Diagram.

(Page 8)

SA-WMS356/WMS556

234567891011 12 13 14

BC601

BC602

R604

R606

C601

C604

C605

C607

C610

C611

C612

C613

C615

C616

Q601

S601 S602

IC601

IC602

IC603

C609

R615

R617

R610

R613

R612

R618

R607

J601

R608

R623

R619

R620

R622

R621

C617

C614

C608

C606

C618

C603

C602

R603

R614

R609

R611

R616

R605

JW600

JW601

JW602

JW604

JW607

JW608

JW610

RV601

RV602

JW609

JW611

JW606 JW603

JW612

R601

R602

IC604

C619

JW605

JW613

JW614

JW615

JW616

JW670

1-3. PRINTED WIRING BOARD — CONTROL SECTION — •See page 3 for Circuit Boards Location. :Uses unleaded solder.

• Semiconductor

Location

Ref. No.

Location

IC601 C-8

IC602 C-2

IC603 C-4

IC604 B-6

Q601 B-1

(Page 5) (Page 5)

SA-WMS356/WMS556

RV602

RV601 R623R622

R621

R619

R618

R613R612

R610R607

R606

R605

R603

C618

C617

C614C613C612

C609

C608

C607

C606

C605

C604C601

J601

R601

R604

R620

C619R617R616

C615

C616

R614

C610

C611

R608

R609 R611 R615

R602

S601

BC602

S602

C602

IC601(1/2) IC601(2/2) IC602(1/2)

IC602(2/2)

IC603(1/2) IC603(2/2)

IC604(2/2)

IC604(1/2)

C603

Q601

BC601

1-4. SCHEMATIC DIAGRAM — CONTROL SECTION —

(Page 6)

SA-WMS356/WMS556

SECTION 2

EXPLODED VIEWS

NOTE:

•The mechanical parts with no reference

numberin the explodedviewsarenot supplied.

•Items marked “*” are not stocked since they

are seldom required for routine service.

Some delay should be anticipated when

ordering these items.

•-XX and -X mean standardized parts, so they

may have some difference from the original

one.

1A-1059-813-A GRILLE (FRAME) ASSY

24-254-104-01 FRONT (PANEL)

34-874-614-52 SCREW (1) (3.5X20), TAPPING

2-1. FRONT PANEL SECTION

The components identified by mark 0or

dotted line with mark 0are critical for safety.

Replace only with part number specified.

#1 #1

not supplied

(LED board)

not supplied

(POWER SWITCH board)

not supplied

SP401

not supplied

SP401 1-825-844-11 SPEAKER (15cm) (WOOFER)

#1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

SA-WMS356/WMS556

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

*51 3-703-244-00 BUSHING (2104), CORD

52 A-1059-722-A MAIN BOARD, COMPLETE

53 4-874-614-52 SCREW (1) (3.5X20), TAPPING

54 4-999-482-71 KNOB (VOL)

055 1-829-415-11 CORD, POWER

56 3-905-609-31 SCREW (TRANSISTOR)

0F901 1-532-502-31 FUSE (T1.25AL/250V)

0T102 1-443-276-11 TRANSFORMER, POWER

#1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S

#2 7-685-881-09 SCREW +BVTT 4X8 (S)

2-2. REAR COVER SECTION

not supplied

(CONTROL board)

not supplied

(POWER AMP board)

not supplied

(POWER SUPPLY board)

not supplied

#1 #1

#1 #2

T102

F901

supplied with

RV601, 602

The components identified by mark 0or dotted

line with mark 0are critical for safety.

Replace only with part number specified.

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