Sony SA-WP780 Manuale utente

SERVICE MANUAL

Sony Corporation

Home Audio Division

Published by SonyTechno Create Corporation

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

ACTIVE SUBWOOFER

9-887-104-05

2007E16-1

Ver. 1.4 2007.05

SPECIFICATIONS

SA-WP780

•SA-WP780 is the sub woofer section in

HT-7000DH/7100DH/DDW780/DDW880/

DDW885/DDW900/DDW990/DDW995/

HTP-36DW. Photo: SILVER

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC

DISTORTION:

(Models of area code US only)

With 6 ohm loads, from 28 – 200 Hz; rated 120

watts, minimum RMS power, with no more than

0.7% total harmonic distortion from 250

milliwatts to rated output.

Speaker system Active subwoofer,

magnetically shielded

Speaker unit 200 mm (7 7/8 inches)

cone type

Enclosure type Acoustically loaded bass

reflex

RMS output

Models of area code US, CND

150 W (6 ohms, 100 Hz,

THD 10%)

Mod

Music power

Models of area code US, CND

Models of other area code

els of other area code 120 W (6 ohms, 100 Hz,

THD 10%

200 W

190 W

)

Input LINE IN (input pin jacks)

Power requirements

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

270 ×331 ×380 mm

(10 5/8 × 13 × 15 inches)

Mass (Approx.) 8.3. kg (18 lb 5 oz)

Area code Power requirements

US, CND 120 V AC, 60 Hz

AEP, UK, RU 230 V AC, 50/60 Hz

AUS 240 V AC, 50 Hz

SP, SP6, AR 230 – 240 V AC,

50/60 Hz

E51 120/220/240 V AC,

50/60 Hz

Design and specifications are subject to change

without notice.

•Abbreviation

AR : Argentine model

AUS:Australian model

CND : Canadian model

E51 : Chilean and Peruvian models

RU : Russian model

SP : Singapore model

SP6 : Singapore and Malaysia models

SA-WP780

SAFETY CHECK-OUT

After correcting the original service problem, perform the following

safety check before releasing the set to the customer:

Check the antenna terminals, metaltrim, “metallized” knobs, screws,

and all other exposed metal parts forAC 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 microamperes.).

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

1. Acommercial leakagetester,such asthe Simpson 229 or RCA

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

instruments.

2. A battery-operatedAC milliammeter.The Data Precision 245

digital multimeter is suitable for this job.

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

VOMor battery-operatedACvoltmeter.The “limit”indication

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

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

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

digital multimeters that have a 2VAC range are suitable. (See

Fig. A)

Fig. A. Using an AC voltmeter to check AC leakage.

1.5 k

Ω

0.15 µFAC

voltmete

(0.75 V)

To Exposed Metal

Parts on Set

Earth Ground

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.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0SUR

LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES

PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE

FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS

QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT

DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS

PUBLIÉS PAR SONY.

SA-WP780

SECTION 1

DIAGRAMS

Note on PrintedWiring Boards:

•X: parts extracted from the component side.

• a: Through hole.

• : Pattern from the side which enables seeing.

•Indication of transistor.

Note on Schematic Diagrams:

•All capacitors are in µF unless otherwise noted. (p: pF) 50

WV or less are not indicated except for electrolytics and

tantalums.

•2: nonflammable resistor.

•5: fusible resistor.

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

specified.

•C: panel designation.

•A: B+ Line.

•B: B– Line.

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

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

•Abbreviation

AR : Argentine model

AUS:Australian model

CND : Canadian model

E51 : Chilean and Peruvian models

RU : Russian model

SP : Singapore model

SP6 : Singapore and Malaysia models

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 identi-

fied by mark 0or dot-

ted line with mark 0are

critical for safety.

Replace only with part

number specified.

Note:

Les composants identifiés

par une marque 0sont cri-

tiques pour la sécurité.

Neles remplacerquepar une

piéce portant le numéro

spécifié.

• Circuit Boards Location

BThese are omitted.

These are omitted.

INPUT CONTROL board

SWITCH board

LED board

MAIN board

POWER TRANS board

Ver. 1.3

SA-WP780

•IC Block Diagrams

– MAIN Board –

IC202, IC203 NJM4565D

A B

A OUTPUT

A -INPUT

A +INPUT

V-

7B OUTPUT

6B -INPUT

5B +INPUT

8V+

IC500 uPC1237C-A

SWITCH FOR

LATCH/AUTOMATIC

RESET

OUTPUT

OFFSET

DETECTOR

OVERLOAD

DETECTOR

AC-OFF

DETECTOR

FLIP-FLOP

OUTPUT

OFFSET

DETECTOR

OUTPUT

OFFSET

DETECTOR

1LOADOVER

2DETECT DC

3RESET

4OFF AC

DRIVER

RELAY

GND

OFF AC

VCC

SA-WP780

1-1. BLOCK DIAGRAM

IC202 (1/2)

BUFFER

IC203 (1/2)

AMP

RV801

(VOL)

J101

(AUDIO IN)

IC203 (2/2)

AMP

Q302, Q304

PRE DRIVE

Q307 - Q310

AMP

Q731

SWITCH

Q102

+V REG

Q505

SWITCH

IC500

PROTECTION

D505

D504

D402

RECT

POWER

TRANSFORMER

D801 - D804

RECT

RY301

RELAY

D901

(POWER)

F901

SP1

(SPEAKER)

Q303, Q305

CURRENT MIRROR

Q301, Q311

CURRENT REGULATOR

IC202 (2/2)

AMP

Q103

-V REG

-V

DRIVER

RELAY

OFF

LOAD

OVER

-B

F900

E51

F902

VOLTAGE

SELECTOR

Signal Path

: AUDIO

SA-WP780

1-2. PRINTED WIRING BOARDS — MAIN SECTION — • :Uses unleaded solder. •See page 3 for Circuit Boards Location.

• Semiconductor

Location

Ref. No.

Location

D101 D-4

D102 D-4

D303 C-5

D304 C-5

D305 F-8

D306 C-4

D307 C-4

D308 B-4

D309 B-4

D402 G-12

D504 G-10

D505 F-8

D506 G-8

D801 F-9

D802 F-9

D803 F-10

D804 F-10

D901 J-7

IC202 F-4

IC203 E-3

IC500 G-8

Q102 E-3

Q103 E-5

Q301 C-5

Q302 C-5

Q303 B-5

Q304 B-6

Q305 B-5

Q306 B-6

Q307 A-9

Q308 A-10

Q309 B-9

Q310 A-9

Q311 C-6

Q505 F-9

Q731 C-10

IC500

IC202

IC203

MAIN BOARD

1-869-085-

(POWER)

(11)

LED BOARD

BCE BCE

INPUT CONTROL

BOARD

(AUDIO IN)

(VOL)

SP1

(SPEAKER)

1-869-082- (11)

1-869-084- (11)

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

POWER TRANS BOARD

CNP401

(Page 8)

JW100

C302

C308

C310

C128

C127

C121

Q103

Q102

R123

R216

C204

C206

R209

R207

R205

R202

R210

R212

R206

R315

C201

D101

R124

C301

R304

R330

R324

C307

Q305

Q304

JW108

JW114

JW115

JW116

R509

JW112

JW111

JW113

R318

R328

R319

R314

JW109

JW110

R329

C313

C309

R301

R308

Q301

D307

D304

D303

D306

C303

R306

D308

D309

R309

JW102

JW101

R310

R323 R322

R321

R320

R507

RY301

R305

C305

C304

R331

R332

R307

JW103

Q303

Q302

C122

C120

C123

D102

R214

R211

C207

R213

C208

JW105

JW104

C210

C212

C211

R217

CN201

C209 C321

CN301 CN601

C203

C322

R208

Q306

Q311

R325

C306

R327

Q309

JW131

JW130

R316

Q310

Q307

R326

C320

JW117

C318 D503

R317

JW107

C319

Q308

R402

R401

C731

JW129

R732

Q731

R731

C403

JW127

JW126

JW133

C404

C407

C408

JW123

JW122

JW121

JW118

JW120

JW119

R311

D305

D506

C507

D505

R508

R601

JW124

R515

R510

C506 C509 R500

JW125

R511

Q505

R501

C504

D801

D804

D802 D803

C409

C510

R513

R512

R404

C410

R403

C508

D504

CN402

C402 C401

D402

JW132

JW134

CNP801

R801

C801

RV801

C601

CN901

D901

J101

SA-WP780

1-3. SCHEMATIC DIAGRAM — MAIN SECTION — • See page 4 for IC Block Diagrams.

C407

C408

C302

R301

R304

C209

C201

R327

C309

C304

R202

R205

R216

R217

R213

R329

R318

R319

R308

R323

R322

R310

R307

R123

R124

D402

R309

R324

R328

RY301

R401

R402

C206

C801

R801

C211

R316

R500

R510

R731

C320

IC202(1/2)

IC202(2/2)

IC203(1/2)

IC203(2/2)

C122

C123

R330

R305

R212

R206

R207

R211 R210

R214

C303

C310

C305

C321

R511

R515

R501

R332

R331

R508

C203

C207

C208

C409

C410

C127

C128

C318

C505

C506

C507

C508

C204

C212

R317

R320

R326

R325

R321

D801D804

D803 D802

D504

D101

D102

C308

R601

R311

C301

C322

R732

C731

R209

C601

R315

C504 C307

R208

CNP801 CN201

C402

C401

CN402

CN301

CN601

CN901

C120

C121

Q103

Q102

D306

D307

D309

D308

D506

D505

R512

R513

C509

R507

IC500

Q505

Q301

D303

D304

Q302

Q303

R306

Q305

Q306

Q304

Q311

C313

R314

Q309

Q310

D305

Q307

Q308

Q731

D503

R509

C403

C404

R403

R404

D901

C510

J101

RV801

C210

C306

C319

470

50V

470

50V

47k

220p

50V

0.22

35V220p

100k

8.2k

2.2k

560

47k

330

10k

22k

180

330

10k

D5SBA204101

180 180

180

12V RELAY

47k

50V

220p

100k

220p

180

22k

100k

4.7k

100P 500V

NJM4565D

0.1

1.2k

8.2k

10k

22k 47k

100k

100

10V

100V

2200p

10k

22k

0.22

50V

0.022

50V

0.68

50V

0.1

25V

0.022

100

10V

0.022

4.7

50V

0.22

50V

0.1

150

10EDB40-TA2B510EDB40-TA2B5

10EDB40-TA2B5 10EDB40-TA2B5

10EDB40-TA2B5

MTZJ-T-72-15A

10p

2.2k

220 2W

220p

50V

220p

15k

220p

8.2k

50V

4.7

50V 22

100V

5.6k

5P 5P

0.1

100V

0.1

100V

100

16V

100

16V

2SA1175-FEK

2SC2785TP-E

GROUND TERMINAL

1SS133T-72

68k

15k

50V

150k

2SA988TP

-PAFAEA

2SA988TP

-PAFAEA

1SS133T-72

2SA988TP

-PAFAEA

2SC2785TP-E

2SC2705-O

2SA988TP

-PAFAEA

2SA1145-O

47p

47k

2SA1175-FEK

2SC3623ATP-LK

1SS133T-72

MP1620-OPY-MK

MN2488

-OPY-MK

2SC1841

-TP-PAFAEA

11/4W

LNH301MPU0A1

(POWER)

50V

(AUDIO IN)

20k

(VOL)

0.1

100p

100P 500V

SP1

Ver. 1.2

SA-WP780

1-5. SCHEMATIC DIAGRAM — POWER SECTION —1-4. PRINTED WIRING BOARDS — POWER SECTION — • :Uses unleaded solder.

•See page 3 for Circuit Boards Location.

POWERTRANS BOARD

SWITCH BOARD

1-869-083- (11)

F902

F901

240V

POWER

TRANSFORMER

E51

EXCEPT E51

VOLTAGE

SELECTOR 220V

120V

F900

E51

(POWER)

MAIN BOARD

CN402

(Page 6)

1-869-086- (11)

2 3 4 5 6 7

CN3

CN20

C901

S901

FH906 FH905

CN1

JW901

JW902

FH903

FH904 JW1

FH902

FH901

CNP401

CN3

CN1

JW1

FH905 FH906

CN20

FH903 FH904

FH901 FH902

JW901

CNP401

F900

F901

F902

S901

C901

POWER

TRANSFORMER T1AL /250V

T1AL 250V

(POWER)

0.0047 250V

AEP,UK,RU,SP,SP6,AUS,AR

Ver. 1.3

SA-WP780

SECTION 2

EXPLODEDVIEWS

NOTE:

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

may have some difference from the original

one.

•Items marked “*” are not stocked since they

are seldom required for routine service.

Some delay should be anticipated when

ordering these items.

•The mechanical parts with no reference

numberin the exploded viewsarenot supplied.

•Abbreviation

AR : Argentine model

AUS:Australian model

CND : Canadian model

E51 : Chilean and Peruvian models

RU : Russian model

SP : Singapore model

SP6 : Singapore and Malaysia models

The components identified by mark 0or

dotted line with mark 0are critical for safety.

Replace only with part number specified.

Les composants identifiés par une marque 0

sont critiques pour la sécurité.

Ne les remplacer que par une pièce portant le

numéro spécifié.

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

1A-1157-214-A FRONT PANEL ASSY (BLACK)

(US, CND, AEP, UK, E51, SP, SP6, AUS, AR)

1A-1171-410-A FRONT PANEL ASSY (SILVER)

(CND, AEP, UK, RU, SP, SP6, AUS)

24-999-482-81 KNOB (VOL)

031-696-848-81 CORD, POWER (AUS)

031-777-071-23 CORD, POWER (AEP, UK, RU, E51, SP, SP6)

031-783-820-11 CORD, POWER (US, CND)

031-783-941-12 CORD, POWER (AR)

4A-1156-567-A MAIN BOARD, COMPLETE

(EXCEPT E51, SP, AR)

4A-1175-815-A MAIN BOARD, COMPLETE (E51)

4A-1237-500-A MAIN BOARD, COMPLETE (SP)

4A-1237-502-A MAIN BOARD, COMPLETE (AR)

53-905-609-32 SCREW (TRANSISTOR)

(Continued on page 10)

SP1

including

RV801

F900

Q307

Q308

F901

F902

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

(US, CND)

not supplied

(EXCEPT US,CND)

not

supplied

2-1. OVERALL SECTION-1

Ver. 1.3

SA-WP780

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

(Continued from page 9)

64-245-976-01 SCREW (4X16) (TYPE1), +BVTP

*73-703-244-00 BUSHING (2104), CORD

82-661-978-02 REAR COVER (US, CND)

0F900 1-532-463-33 FUSE T1AL/250V (E51)

0F901 1-532-463-33 FUSE T1AL/250V

(AEP, UK, RU, SP, SP6, AUS, AR)

0F901 1-533-690-12 FUSE, GLASS CYLINDRICAL 3.15A/125V(DIA.5)

(US, CND, E51)

0F902 1-532-463-33 FUSE T1AL/250V (E51)

2-2. OVERALL SECTION-2

SP1

including

RV801

F900

Q307

Q308

F901

F902

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

(US, CND)

not supplied

(EXCEPT US,CND)

not

supplied

Q307 6-702-391-01 IC MP1620-OPY-MK

Q308 6-702-390-01 IC MN2488-OPY-MK

SP1 1-826-412-11 LOUDSPEAKER (20cm)

0T1 1-443-883-11 TRANSFORMER, POWER (E51)

0T1 1-443-885-21 TRANSFORMER, POWER (US, CND)

0T1 1-443-886-21 TRANSFORMER, POWER

(AEP, UK, RU, SP, SP6, AUS, AR)

#1 7-685-881-09 SCREW +BVTT 4X8 (S)

#2 7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3

Ver. 1.3

Indice

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