Sony SA-WD100 User manual

SA-WD100

US Model

Canadian Model

AEP Model

UK Model

E Model

Chinese Model

SERVICE MANUAL

ACTIVE SUBWOOFER

9-873-640-02

2002K1600-1

Ver 1.1 2002. 11

SPECIFICATIONS

Sony Corporation

Home Audio Company

Published by Sony Engineering Corporation

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC

DISTORTION:

With 3 ohm loads, from 26 – 200 Hz; rated 250 watts,

minimum RMS power, with no more than 0.8 % total

harmonic distortion from 250 milliwatts to rated

output.

System

Type

Active Subwoofer

Speaker unit

Woofer: 13.5 cm dia. (5 3/8in.), cone type

Continuous RMS output

North American model (0.8%) : 200 W

European model (DIN) : 200 W

Other models (0.8%) : 200 W

Reproduction frequency range

26 Hz – 200 Hz

High frequency cut-off frequency

50 Hz – 200 Hz

Phase selector

NORMAL, REVERSE

Inputs

Input jacks

LINE IN: input pin jack

SPEAKER IN: input terminals (ELP plug 6P)

Output jacks

LINE OUT: output pin jack

SPEAKER OUT: output terminals

General

Power requirements

North American model : 120 V AC, 60 Hz

European model : 220 - 240 V AC, 50/60 Hz

Other models : 220 - 240 V AC, 50/60 Hz

Power consumption

North American model : 50 W

Other models : 50 W

1 W (Standby mode)

Dimensions

Approx. 165 ×325 ×425 mm

(w/h/d) (6 1/2×12 7/8×16 3/4in.)

Mass

10 kg (22 lb 1 oz)

Supplied accessories

Audio connecting cord

(1 phono plug – 1 phono plug) (1)

Speaker cords (1)

Design and specifications are subject to change without

notice.

SA-WD100

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 IDENTIFÉS PAR UNE MARQUE 0SUR 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.

Notes on chip component replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be

damaged by heat.

Flexible Circuit Board Repairing

•Keep the temperature of soldering iron around 270˚C

during repairing.

•Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

•Be careful not to apply force on the conductor when soldering

or unsoldering.

After correcting the original service problem, perform the

following safety checks before releasing the set to the customer:

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

and all other exposed metal parts forAC leakage. Check leakage as

described below.

LEAKAGE

TheAC 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. 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-operatedAC voltmeter. The “limit” indication

is 0.75 V, 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 2V AC range are suitable. (See

Fig. A)

SAFETY CHECK-OUT

To Exposed Metal

Parts on Set

0.15 µF1.5 kΩ

Voltmeter

(0.75 V)

Earth Ground

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

Ver 1.1 2002.11

SA-WD100

SECTION 1

DIAGRAMS

Note on Printed Wiring Board:

•X: parts extracted from the component side.

•a: Through hole.

•b: Pattern from the side which enables seeing.

•Indication of transistor

These are omitted.

Note on Schematic Diagram:

•All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

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

specified.

•2: nonflammable resistor

•C: panel designation

•A: B+ Line

•B: B– Line

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

conditions.

•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

•Abbreviation

CND : Canadian model

SP : Singapore model

CH : Chinese model

•Circuit Boards Location

MAIN POWER board

INPUT

SELECT boar

INPUT board

CONTROL board

POWER SWITCH board

AUTO POWER board

LED board

Note:

Les composants identifiés

par une marque 0sont cri-

tiques pour la sécurité.

Ne les remplacer que par

une piéce portant le numéro

spécifié.

Note:

The components identified

by mark 0or dotted line

with mark 0are critical for

safety.

Replace only with part

number specified.

Ver 1.1 2002.11

SA-WD100

•IC Block Diagrams

IC901 STR-F6426S (US, CND)

IC901 STR-F6676 (AEP, UK, SP, CH)

54321

OSC DRIVE ICONST

START

REG.

T.S.D.

LATCH O.V.P.

DS GNDVCCFB/OCP

COMP.1

COMP.2

54321

OSC DRIVE

START

REG.

T.S.D.

LATCH O.V.P.

DS GNDVCCFB/OCP

COMP.1

COMP.2

Ver 1.1 2002.11

SA-WD100

1-1. Printed Wiring Board – Control Section – • See page 3 for Circuit Boards Location.

IC304

IC302

IC301 IC102

IC103

IC101

LEVEL

Ref. No. Location

D101 B-6

D102 B-5

D103 B-6

D104 B-5

D105 A-6

D106 A-6

•Semiconductor Location

Ref. No. Location

IC101 B-6

IC102 A-6

IC103 B-6

IC301 A-3

IC302 B-3

IC304 A-1

Ref. No. Location

Q101 D-6

Q102 D-6

Q103 D-6

Q104 D-5

Q105 D-6

Q301 A-2

Q302 A-2

SA-WD100

1-2. Schematic Diagram – Control Section –

33k

6.8k

Ver 1.1 2002.11

SA-WD100

1-3. Printed Wiring Board – Power Section – • See page 3 for Circuit Boards Location.

IC906

IC907

IC902

PC901

IC901

IC201

US,CND

AEP,UK,SP,CH

US,CND

AEP,UK,SP,CH

AEP,UK,

SP,CH

US,CND

Ref. No. Location

D201 E-7

D202 E-7

D203 E-7

D204 E-7

D205 E-8

D206 E-8

D207 E-9

D208 D-8

D209 E-8

D210 E-8

D211 F-8

D402 C-6

D701 B-1

D807 E-7

D901 D-1

D902 D-3

D903 D-2

D904 D-2

D905 D-3

D906 D-2

D907 D-2

D908 C-2

D909 B-4

D910 C-2

D911 C-2

D919 B-2

D920 B-2

D921 B-1

D922 C-1

•Semiconductor Location

Ref. No. Location

IC201 F-8

IC901 D-1

IC902 C-2

IC906 B-2

IC907 B-3

PC901 C-2

Q201 E-8

Q202 E-8

Q203 E-8

Q204 E-8

Q205 F-8

Q206 F-8

Q207 F-8

Q701 B-2

Q703 B-2

Q704 B-1

Q705 B-1

Q901 D-2

Ver 1.1 2002.11

SA-WD100

1-4. Schematic Diagram – Power Section – • See page 4 for IC Block Diagrams.

RD13ESB2

2SA1175-HFE

DTC124ESA

DTA124ES

250V

C918 *4

PHOTO ISOLATOR

390

*4 C918

3300/63V(US,CND)

6800/50V(AEP,UK,SP,CH)

IC B/D

Ver 1.1 2002.11

SA-WD100

NOTE:

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

have some differences 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 number

in the exploded views are not supplied.

•Hardware (# mark) list and accessories and

packing materials are given in the last of this

parts list.

•Abbreviation

CND : Canadian model

SP : Singapore model

CH : Chinese model

SECTION 2

EXPLODED VIEWS

2-1. Overall Section

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

not

supplied

not

supplied

not

supplied

not

supplied

amplifier block section

not supplied

SP901

not

supplied

1X-4954-642-1 FRAME ASSY, GRILLE

24-239-215-01 SCREW, ORNAMENT

3X-4954-641-1 PANEL ASSY, FRONT (US,CND)

3X-4954-997-1 PANEL ASSY, FRONT (AEP,UK,SP,CH)

4A-4676-381-A LED BOARD, COMPLETE

5A-4676-380-A POWER SWITCH BOARD, COMPLETE

61-684-639-11 CONTROL BOARD

74-236-589-01 KNOB

84-993-938-82 PUSH KNOB (A)

SP901 1-825-107-11 SPEAKER (13.5cm)

#1 7-685-564-01 SCREW +PTP 4X25 TYPE1

#2 7-685-646-79 SCREW +P 3X8 TYPE2 NON-SLIT

#3 7-682-551-09 SCREW +B 3X14

When indicating parts by reference number,

please include the board name.

The components identified by mark !or

dotted line with mark !are critical for safety.

Replace only with part number specified.

Les composants identifiés par une marque

!sont critiques pour la sécurité.

Ne les remplacer que par une pièce portant

le numéro spécifié.

Ver 1.1 2002.11

SA-WD100

2-2. Amplifier Block Section

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

51 A-4676-383-A AUTO POWER BOARD, COMPLETE

52 A-4676-377-A MAIN POWER BOARD, COMPLETE (US, CND)

52 A-4676-386-A MAIN POWER BOARD, COMPLETE

(AEP, UK, SP, CH)

53 6-700-752-01 IC ICE250A-SW (POWER AMP UNIT)

54 A-4676-379-A INPUT BOARD, COMPLETE

55 A-4676-382-A INPUT SELECT BOARD, COMPLETE

56 4-235-820-01 PANEL, REAR

*57 3-703-244-00 BUSHING (2104), CORD

058 1-751-520-11 CORD, POWER (AEP, UK, SP)

058 1-782-464-41 CORD, POWER (CH)

058 1-783-820-11 CORD, POWER (US, CND)

0F901 1-532-504-31 FUSE (T4AL/250V) (AEP, UK, SP)

0F901 1-532-594-11 FUSE, GLASS TUBE (6.3A/125V) (US, CND, CH)

0F902 1-532-717-00 FUSE, GLASS-TUBE (10A/125V) (US, CND, CH)

0F902 1-533-949-31 FUSE, CYLINDRICAL (TIME LUG) (T8AL/250V)

(AEP, UK, SP)

0T201 1-437-234-11 POWER TRANSFORMER (US, CND, CH)

0T201 1-437-237-12 POWER TRANSFORMER (AEP, UK, SP)

0T901 1-437-232-11 TRANSFORMER, POWER (US, CND, CH)

0T901 1-437-233-11 TRANSFORMER, POWER (AEP, UK, SP)

#1 7-685-547-19 SCREW +BTP 3X10 TYPE2 N-S

#2 7-685-871-09 SCREW +BVTT 3X6 (S)

#3 7-682-161-01 SCREW +P 4X8

not

supplied

not

supplied

not

supplied

not

supplied

not

supplied

F902

F901

T201

T901

Ver 1.1 2002.11

The components identified by

mark !or dotted line with mark

!are critical for safety.

Replace only with part number

specified.

Les composants identifiés par

une marque !sont critiques

pour la sécurité.

Ne les remplacer que par une

pièce portant le numéro spécifié.

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