Sony SA-WMSP68 User manual

Brand: Sony

Model: SA-WMSP68

Type: User manual

SERVICE MANUAL

US Model

SA-WMSP68

SUB WOOFER

Ver 1.0 2004.07

Sony Corporation

Home Audio Company

Published by Sony Engineering Corporation

9-879-059-01

2004G04-1

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC

DISTORTION:

With 6 ohm loads, from 28 – 200 Hz; rated 100

watts, minimum RMS power, with no more than

0.8% total harmonic distortion from 250

milliwatts to rated output.

Speaker system Active subwoofer,

magnetically shielded

Speaker unit 250 mm cone type

Enclosure type Acoustically loaded bass

reflex

RMS output 120 W (6 ohms, 100 Hz,

THD 10%)

Input LINE IN (input pin jacks)

Power requirements 120 V AC, 60 Hz

Power consumption 95 W

Dimensions (w/h/d) (Approx.)

13 3/8 × 16 2/8 × 14 4/8

inches (337 × 410 × 365.5

mm) including front panel

Mass (Approx.) 28 lb 11 oz (13.0 kg)

Design and specifications are subject to change without

notice.

SPECIFICATIONS

•SA-WMSP68 is the subwoofer section

in HT-5800DP/6800DP/DDW960.

1.5 k

Ω

0.15

voltmete

(0.75 V)

To Exposed Metal

Parts on Set

Earth Ground

SAFETY CHECK-OUT

After correcting the original service problem, perform the follow-

ing safety check before releasing the set to the customer:

Check the antenna terminals, metal trim, “metallized” knobs, screws,

and all other exposed metal parts for AC leakage.

Check leakage as described below.

LEAKAGE TEST

The AC leakage from any exposed metal part to earth ground and

from all exposed metal parts to any exposed metal part having a

return to chassis, must not exceed 0.5 mA (500 microampers.).

Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA

WT-540A. Follow the manufacturers’ instructions to use these

instruments.

2. A battery-operated AC milliammeter. The Data Precision 245

digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a

VOM or battery-operated AC voltmeter. The “limit” indica-

tion is 0.75 V, so analog meters must have an accurate low-

voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-

amples of a passive VOM that is suitable. Nearly all battery

operated digital multimeters that have a 2 V AC range are suit-

able. (See Fig. A)

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE

WITH MARK 0 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.

TABLE OF CONTENTS

1. DIAGRAMS

1-1. Note for Printed Wiring Boards and

Schematic Diagrams ............................................................ 3

1-2. Circuit Boards Location ...................................................... 3

1-3. Schematic Diagram – Main Section –................................. 5

1-4. Printed Wiring Boards – Main Section – ............................ 6

2. EXPLODED VIEWS

2-1. Front Section ....................................................................... 7

2-2. Rear Section ........................................................................ 8

3. ELECTRICAL PARTS LIST........................................... 9

SA-WMSP68

•

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 viscous (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.

(Fig. A)

SA-WMSP68

1-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

1-2. CIRCUIT BOARDS LOCATION

SECTION 1

DIAGRAMS

THIS NOTE IS COMMON FOR PRINTED WIRING

BOARDS AND SCHEMATIC DIAGRAMS.

(In addition to this, the necessary note is printed

in each block.)

For schematic diagrams.

Note:

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

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in Ω and

W or less unless otherwise

specified.

• C : panel designation.

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.

• A : B+ Line.

• B : B– Line.

•Voltages are dc with respect to ground under no-signal

(detuned) conditions.

no mark : Power on

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

Voltage variations may be noted due to normal produc-

tion tolerances.

• Signal path.

F : AUDIO

Note: The components identified by mark 0 or dotted line

with mark 0 are critical for safety.

Replace only with part number specified.

MAIN board

CONTROL board

POWER TRANS boar

POWER AMP board

SWITCH board

SA-WMSP68

IC301 STK404-130S (POWER AMP Board)

• IC BLOCK DIAGRAM

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

SA-WMSP68

1-3. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 4 for IC Block Diagram.

IC B/D

J201

C410

C411

S901

C901

R404

R405

C210

C316

C401

C404

C405

C414

C415

D402

D403

IC201(1/2)

IC201(2/2)

IC202(1/2)

IC202(2/2)

IC301

R213

R214

R304 R305

R306

R317

R318

R319

R209

R401

R508

C201

C306

C309

C312

C402

C403

C408

C409

D301

D302

D501

D601

Q503

Q504

R201

R202

R203 R204

R205

R206

R207

R208

R210 R211

R212

R301

R302

R303

R307

R308

R312

R313

R314

R315

R500

R501

R502

R503R504

R505

R507

R601

R309

C202

C203

C204

C206

C207

C208

C209

C304

C305

C307

C308 C310

C311

C313

C315

C412

C413

C416

C417

C501

C502

C601

C211 C212

CN202

RV201

CN201

C418

C406

C407

R402

R403

C503

C302

C301

CN301 CN302

C303

R310

R311

C314

CN401

CN901

Q302

RY501

Q502

Q501

CN1

F901

CN502

SP901

R316

CN501

D502

Q301

D404

D405

R506

D401

CN101 CN102

CN2

D701

D303

SA-WMSP68

1-4. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 3 for Circuit Boards Location. : Uses unleaded solder.

234567891011

CN302

R316

IC301

Q301

ECB

R302

JW301

JW302

C306

R308

R309

C305

C309

R312

JW303

C312

R311

R310

C307

C308

C310

C311

JW306

C313

C301

C302

JW307

308

R315

C316

R317

C314

C315

Q302

R318

JW304

R313

R314

D303

R301

C304

C303

D301

D302

R303

R307

R306

R304

R305

TP301

R319

JW305

R201

C201

C202

R205

IC201

R208

R209

C204

C203

C208

C206

IC202

C207

C210

R214

C211

C209

C212

CN202

R204

R203

R202

J201

INPUT

RV201

VOLUME

R206

R207

R210

R211

R213

201

R212

202

203

CN101

SP901

SPEAKER

D401

C402

C403

C404

C405

C406

C407

401

402

C408

C409

R402

R403

R500

R501

501

D501

C501

Q501

R502

R503

R504

R505

Q502

Q503

Q504

D402

D403

416

417

C410

C411

R405

R404

C601

D601

R601

CN401

CN201

R401

C401

R506

(CHASSIS)

R507

R508

502

C503

C502

D502

RY501

C418

CN301

C414

C415

C416

C417

JW412

D404

D405

C412

C413

411

404

405

406

407

408

409

410

403

503

504

418

CN501

414

413

CN901

C901

CN502

D701

CNP102

CN1

CN2

AC IN

901

F901

FH951

D701

(POWER)

1-861-891-

1-861-892-

1-861-889-

1-861-890-

1-861-893-

S901

POWER

(CHASSIS)

D301 C-2

D302 C-2

D303 C-3

D401 D-10

D402 D-9

D403 D-9

D404 A-7

D405 A-7

D501 C-9

D502 C-7

D601 D-8

D701 G-5

IC201 F-2

IC202 G-2

IC301 D-3

Q301 B-2

Q302 B-4

Q501 C-8

Q502 C-8

Q503 C-8

Q504 C-8

• Semiconductor

Location

Ref. No. Location

SA-WMSP68

SECTION 2

EXPLODED VIEWS

Ref. No. Part No. Description Remark

2-1. FRONT SECTION

Ref. No. Part No. Description Remark

NOTE:

• The mechanical parts with no reference

number in the exploded views are not 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.

• Color Indication of Appearance Parts

Example :

KNOB, BALANCE (WHITE) ... (RED)

Parts Color Cabinet’s Color

• Accessories are given in the last of this

parts list.

14-253-282-01 KNOB, PUSH

24-253-279-01 WOOFER (RING)

3 4-253-280-01 GRILLE (FRAME)

SP901 1-825-768-11 SPEAKER (25cm) (WOOFER)

The components identified by

mark 0 or dotted line with mark

0 are critical for safety.

Replace only with part number

specified.

SP901

not supplied

(SWITCH board)

SA-WMSP68

2-2. REAR SECTION

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

51 A-4713-864-A CABINET ASSY, SPEAKER

52 4-235-677-01 SCREW (4X20) (TYPE1), +BVTP

53 3-905-609-31 SCREW (TRANSISTOR)

* 54 3-703-244-00 BUSHING (2104), CORD

055 1-783-820-11 CORD, POWER

56 A-4751-955-A MAIN BOARD, COMPLETE

57 4-999-482-81 KNOB (VOL)

58 A-4751-957-A POWER AMP BOARD, COMPLETE

59 4-253-276-01 REAR (COVER)

0 F901 1-533-450-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)

0 T1 1-439-625-12 TRANSFORMER, POWER

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

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

F901

supplied with RV201

not supplied

(POWER TRANS board)

not supplied

(CONTROL board)

not supplied

The components identified by

mark 0 or dotted line with mark.

0 are critical for safety.

Replace only with part number

specified.

SA-WMSP68

SECTION 3

ELECTRICAL PARTS LIST

NOTE:

• Due to standardization, replacements in

the parts list may be different from the

parts specified in the diagrams or the

components used on the set.

• -XX and -X mean standardized parts, so

they may have some difference from the

original one.

• RESISTORS

All resistors are in ohms.

METAL:Metal-film resistor.

METAL OXIDE: Metal oxide-film resistor.

F:nonflammable

• Items marked “*” are not stocked since

they are seldom required for routine service.

Some delay should be anticipated

when ordering these items.

• SEMICONDUCTORS

In each case, u : µ, for example:

uA.. : µA.. uPA.. : µPA..

uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..

• CAPACITORS

uF : µF

• COILS

uH : µH

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

CONTROL BOARD

***************

< CAPACITOR >

C201 1-128-813-11 CERAMIC 220PF 5% 50V

C202 1-126-964-11 ELECT 10uF 20% 50V

C203 1-136-165-00 FILM 0.1uF 5% 50V

C204 1-136-165-00 FILM 0.1uF 5% 50V

C206 1-131-696-11 FILM 0.22uF 5% 50V

C207 1-131-679-31 FILM 0.01uF 5% 50V

C208 1-126-964-11 ELECT 10uF 20% 50V

C209 1-126-964-11 ELECT 10uF 20% 50V

C210 1-128-813-11 CERAMIC 220PF 5% 50V

C211 1-126-967-11 ELECT 47uF 20% 50V

C212 1-126-967-11 ELECT 47uF 20% 50V

< CONNECTOR >

CN202 1-818-594-11 PIN, CONNECTOR 4P

< IC >

IC201 8-759-636-74 IC M5218AP-22

IC202 8-759-636-74 IC M5218AP-22

< JACK >

J201 1-815-025-11 JACK, PIN 1P (INPUT)

< RESISTOR >

R201 1-247-879-11 CARBON 100K 5% 1/4W

R202 1-247-831-11 CARBON 1K 5% 1/4W

R203 1-247-879-11 CARBON 100K 5% 1/4W

R204 1-249-429-11 CARBON 10K 5% 1/4W

R205 1-249-429-11 CARBON 10K 5% 1/4W

R206 1-247-879-11 CARBON 100K 5% 1/4W

R207 1-249-429-11 CARBON 10K 5% 1/4W

R208 1-247-895-00 CARBON 470K 5% 1/4W

R209 1-247-879-11 CARBON 100K 5% 1/4W

R210 1-247-863-11 CARBON 22K 5% 1/4W

R211 1-247-863-11 CARBON 22K 5% 1/4W

R212 1-247-887-00 CARBON 220K 5% 1/4W

R213 1-249-429-11 CARBON 10K 5% 1/4W

R214 1-247-879-11 CARBON 100K 5% 1/4W

< VARIABLE RESISTOR >

RV201 1-227-511-11 RES, VAR, CARBON 20K (VOLUME)

*************************************************************

A-4751-955-A MAIN BOARD, COMPLETE

*********************

< CAPACITOR >

C401 1-128-813-11 CERAMIC 220PF 5% 50V

C402 1-136-165-00 FILM 0.1uF 5% 50V

C403 1-136-165-00 FILM 0.1uF 5% 50V

C404 1-128-813-11 CERAMIC 220PF 5% 50V

C405 1-128-813-11 CERAMIC 220PF 5% 50V

C406 1-100-935-11 ELECT 4700uF 63V

C407 1-100-935-11 ELECT 4700uF 63V

C408 1-136-165-00 FILM 0.1uF 5% 50V

C409 1-136-165-00 FILM 0.1uF 5% 50V

C410 1-126-971-11 ELECT 470uF 20% 50V

C411 1-126-971-11 ELECT 470uF 20% 50V

C412 1-126-968-11 ELECT 100uF 20% 50V

C413 1-126-968-11 ELECT 100uF 20% 50V

C414 1-128-813-11 CERAMIC 220PF 5% 50V

C415 1-128-813-11 CERAMIC 220PF 5% 50V

C416 1-126-964-11 ELECT 10uF 20% 50V

C417 1-126-964-11 ELECT 10uF 20% 50V

C418 1-128-813-11 CERAMIC 220PF 5% 50V

C501 1-126-964-11 ELECT 10uF 20% 50V

C502 1-126-949-11 ELECT 220uF 20% 35V

C503 1-126-923-11 ELECT 220uF 20% 10V

C601 1-126-964-11 ELECT 10uF 20% 50V

< CONNECTOR >

CN101 1-785-104-11 PIN, CONNECTOR (3.96mm PITCH) 6P

CN201 1-818-594-11 PIN, CONNECTOR 4P

CN401 1-564-320-00 PIN, CONNECTOR (3.96mm PITCH) 2P

CN501 1-564-704-11 PIN, CONNECTOR (SMALL TYPE) 2P

< DIODE >

D401 8-719-302-38 DIODE RBV-602-01

D402 6-500-522-11 DIODE 10EDB40-TA2B5

D403 6-500-522-11 DIODE 10EDB40-TA2B5

D404 8-719-110-31 DIODE RD12ESB2

D405 8-719-110-31 DIODE RD12ESB2

D501 8-719-991-33 DIODE 1SS133T-77

CONTROL MAIN

The components identified by

mark 0 or dotted line with mark.

0 are critical for safety.

Replace only with part number

specified.

When indicating parts by reference

number, please include the board.

SA-WMSP68

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

D502 8-719-991-33 DIODE 1SS133T-77

D601 8-719-991-33 DIODE 1SS133T-77

< GROUND TERMINAL >

G1 1-537-738-21 TERMINAL, GROUND

G2 1-537-738-21 TERMINAL, GROUND

< TRANSISTOR >

Q501 8-729-119-78 TRANSISTOR 2SC2785-HFE

Q502 8-729-178-42 TRANSISTOR 2SC2784-F

Q503 8-729-119-78 TRANSISTOR 2SC2785-HFE

Q504 8-729-029-86 TRANSISTOR DTC124ESA

< RESISTOR >

R401 1-249-393-11 CARBON 10 5% 1/4W

0R402 1-219-153-11 FUSIBLE 10 5% 1/4W F

0R403 1-219-153-11 FUSIBLE 10 5% 1/4W F

0R404 1-215-892-11 METAL OXIDE 1K 5% 2W F

0R405 1-215-892-11 METAL OXIDE 1K 5% 2W F

R500 1-249-421-11 CARBON 2.2K 5% 1/4W

R501 1-249-429-11 CARBON 10K 5% 1/4W

R502 1-247-871-11 CARBON 47K 5% 1/4W

R503 1-247-879-11 CARBON 100K 5% 1/4W

R504 1-247-879-11 CARBON 100K 5% 1/4W

R505 1-247-863-11 CARBON 22K 5% 1/4W

R506 1-247-831-11 CARBON 1K 5% 1/4W

0R507 1-215-868-00 METAL OXIDE 680 5% 1W F

R508 1-247-863-11 CARBON 22K 5% 1/4W

0R601 1-215-920-11 METAL OXIDE 3.3K 5% 3W F

< RELAY >

RY501 1-515-920-11 RELAY (24V)

*************************************************************

A-4751-957-A POWER AMP BOARD, COMPLETE

***************************

< CAPACITOR >

C301 1-126-967-11 ELECT 47uF 20% 50V

C302 1-126-967-11 ELECT 47uF 20% 50V

C303 1-128-813-11 CERAMIC 220PF 5% 50V

C304 1-126-964-11 ELECT 10uF 20% 50V

C305 1-104-658-11 ELECT 100uF 20% 10V

C306 1-128-813-11 CERAMIC 220PF 5% 50V

C307 1-126-968-11 ELECT 100uF 20% 50V

C308 1-126-968-11 ELECT 100uF 20% 50V

C309 1-162-199-31 CERAMIC 10PF 5% 50V

C310 1-126-964-11 ELECT 10uF 20% 50V

C311 1-126-967-11 ELECT 47uF 20% 50V

C312 1-128-813-11 CERAMIC 220PF 5% 50V

C313 1-126-964-11 ELECT 10uF 20% 50V

C314 1-136-165-00 FILM 0.1uF 5% 50V

C315 1-136-165-00 FILM 0.1uF 5% 50V

C316 1-128-813-11 CERAMIC 220PF 5% 50V

< CONNECTOR >

CN302 1-818-593-11 PLUG, CONNECTOR 13P

< DIODE >

D301 8-719-991-33 DIODE 1SS133T-77

D302 8-719-991-33 DIODE 1SS133T-77

D303 8-719-991-33 DIODE 1SS133T-77

< IC >

IC301 6-600-091-01 IC STK404-130S

< TRANSISTOR >

Q301 8-729-119-78 TRANSISTOR 2SC2785-HFE

Q302 8-729-140-82 TRANSISTOR 2SA988-PAFAEA

< RESISTOR >

R301 1-247-847-11 CARBON 4.7K 5% 1/4W

R302 1-247-863-11 CARBON 22K 5% 1/4W

R303 1-247-847-11 CARBON 4.7K 5% 1/4W

R304 1-249-429-11 CARBON 10K 5% 1/4W

R305 1-247-863-11 CARBON 22K 5% 1/4W

R307 1-247-871-11 CARBON 47K 5% 1/4W

R308 1-249-413-11 CARBON 470 5% 1/4W

R309 1-249-411-11 CARBON 330 5% 1/4W

0 R310 1-217-637-00 FUSIBLE 1 5% 1/4W F

0 R311 1-215-886-11 METAL OXIDE 100 5% 2W F

R312 1-247-871-11 CARBON 47K 5% 1/4W

R313 1-247-847-11 CARBON 4.7K 5% 1/4W

R314 1-247-847-11 CARBON 4.7K 5% 1/4W

R315 1-249-393-11 CARBON 10 5% 1/4W

0 R316 1-234-182-11 ENCAPSULATED COMPONENT 0.22X2 5W

R317 1-247-847-11 CARBON 4.7K 5% 1/4W

R318 1-247-850-11 CARBON 6.2K 5% 1/4W

R319 1-249-429-11 CARBON 10K 5% 1/4W

*************************************************************

POWER TRANS BOARD

*******************

1-533-217-41 HOLDER, FUSE

< CAPACITOR >

0 C1 1-113-924-11 CERAMIC 0.0047uF 20% 250V

< CONNECTOR >

CN1 1-564-321-00 PIN, CONNECTOR (3.96mm PITCH) 2P

* CN2 1-580-230-11 PIN, CONNECTOR (PC BOARD) 2P

*************************************************************

SWITCH BOARD

*************

< CAPACITOR >

0 C901 1-113-924-11 CERAMIC 0.0047uF 20% 250V

< CONNECTOR >

CN502 1-564-704-11 PIN, CONNECTOR (SMALL TYPE) 2P

* CN901 1-695-044-11 PIN, CONNECTOR (3.96mm PITCH) 2P

MAIN POWER AMP POWER TRANS SWITCH

The components identified by

mark 0 or dotted line with mark.

0 are critical for safety.

Replace only with part number

specified.

SA-WMSP68

Ref. No. Part No. Description Remark

< DIODE >

D701 6-500-991-01 LED TLPGE62T(SONY-M.F) (POWER)

< SWITCH >

0 S901 1-554-920-11 SWITCH, PUSH (AC POWER) (1 KEY) (POWER)

*************************************************************

MISCELLANEOUS

***************

0 55 1-783-820-11 CORD, POWER

0 F901 1-533-450-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)

SP901 1-825-768-11 SPEAKER (25cm) (WOOFER)

0 T1 1-439-625-12 TRANSFORMER, POWER

SWITCH

The components identified by

mark 0 or dotted line with mark.

0 are critical for safety.

Replace only with part number

specified.

SA-WMSP68

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

1.0 2004.07 New

Sony SA-WMSP68 User manual

Sony SA-WMSP68 User manual

Sony SA-WMSP68 User manual

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