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SA-WMSP75/WMSP85

US Model

Canadian Model

SA-WMSP75/WMSP85

AEP Model

UK Model

E Model

Australian Model

SA-WMSP85

SERVICE MANUAL

ACTIVE SUBWOOFER

Ver 1.4  2004.01

SPECIFICATION

Sony Corporation

Home Audio Company

Published by Sony Engineering Corporation

9-877-044-05

2004A16-1

© 2004.01

• SA-WMSP75/WMSP85 are the sub woofer

section HT-DDW750,HT-1800DP,HT-6600DP
and HT-1750DP.

photo: SA-WMSP75

• Abbreviation

AU

: Australian model

CA

: Canadian model

CEK : UK model
CEL

: AEP model

MX

: Mexican model

SP

: Singapore model

U

: US model

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:

With 6 ohm loads, from 28 – 200 Hz; rated 75
watts (SA-WMSP75) / 100 watts (SA-WMSP85),
minimum RMS power, with no more than 0.8%
total harmonic distortion from 250 milliwatts to
rated output (Models of area code U only).

Speaker system

Active subwoofer,
magnetically shielded

Speaker unit

Woofer: 20 cm cone type

Enclosure type

Acoustically loaded bass
reflex

Continuous RMS power output
(6 ohms, 20 – 250 Hz)

SA-WMSP75

75 W

SA-WMSP85

100 W

Reproduction frequency range

28Hz – 200 Hz

High frequency cut-off frequency

150 Hz

Input

LINE IN (input pin jacks)

Power requirements

Area code

Power requirements

U, CA, MX

120 V AC, 60 Hz

CEL, CEK, SP, AU 230 V AC, 50/60 Hz

E2

120/220/230 V AC, 50/60 Hz

Power consumption

SA-WMSP75

75 W

SA-WMSP85

100 W

Dimensions

 

(w/h/d)

Approx. 270 

× 

325 

× 

398

mm  (10 3/4 

× 

12 7/8 

× 

15 3/4

inches) including front
panel

Mass

SA-WMSP85

10.0 kg (22 lb 1 oz)

SA-WMSP75

9.0 kg (19 lb 14 oz)

Summary of Contents for SA-WMSP75

Page 1: ...P75 100 watts SA WMSP85 minimum RMS power with no more than 0 8 total harmonic distortion from 250 milliwatts to rated output Models of area code U only Speaker system Active subwoofer magnetically shielded Speaker unit Woofer 20 cm cone type Enclosure type Acoustically loaded bass reflex Continuous RMS power output 6 ohms 20 250 Hz SA WMSP75 75 W SA WMSP85 100 W Reproduction frequency range 28Hz ...

Page 2: ... is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ LES COMPOSANTS IDENTIFÉS 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 PIÈSES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUE...

Page 3: ...ne B B Line Voltages are dc with respect to ground under no signal conditions no mark Power on Voltages are taken with aVOM Input impedance 10MΩ Voltage variations may be noted due to normal preduction tolerances Signal path F AUDIO Abbreviation CND Canadian model E2 120V AC Area in E model MX Mexican model The components identified by mark 0 or dotted line with mark 0 are critical for safety Repl...

Page 4: ...D301 E 4 D302 E 4 D304 D 2 D401 F 2 D402 F 2 D403 E 2 D501 E 2 D502 E 4 D602 C 2 IC202 B 3 IC203 B 3 IC301 D 4 Q501 D 2 Q502 D 2 Q503 D 2 Q504 D 2 Q505 E 4 Semiconductor Location IC202 IC301 IC203 INPUT CN402 WMSP75 3P WMSP85 6P SP1 WMSP85 WMSP75 WMSP85 WMSP85 WMSP75 WMSP75 5 4 1 8 5 4 1 8 11 11 POWER TRANS 1 2 A B C D E F G 3 4 5 6 7 8 Ver 1 2 2003 06 ...

Page 5: ...5 5 SA WMSP75 WMSP85 1 4 Printed Wiring Board POWER Section See page 3 for Circuit Boards Location Uses unleaded solder EXCEPT E2 WMSP85 E2 230V CNP401 WMSP75 3P WMSP85 6P AC IN E2 Ver 1 2 2003 06 ...

Page 6: ... 1 0 1 47k 100k 100k 22k 22k 4700p 250V 680 1W 4 7k 4 7k 220p 220p 47k 10p 47k 1 1 4W 10 4 7k 22k 4 7k 1k 470 50V 470 50V 220p 50V 470 2 2k 10k 10 1 4W 10 1 4W 100k 1k 10k 10k 100k 470k 220k 220p 22k 22k 220k 10 50 220p 100k 10k 47k 10 50 220p 10 50V 0 1 0 1 NJM4565DD 100k 10 50V 10 50V MTZJ T 72 12B MTZJ T 72 12B 0 22 10k NJM4565DD NJM4565DD NJM4565DD 20k 3P 3P 0 01 STK404 130S 1SS133T 72 1SS133T...

Page 7: ...es composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié 2 1 Front Section Ref No Part No Description Remarks Ref No Part No Description Remarks 1 4 243 842 01 NET GRILLE SILVER 1 4 243 842 11 NET GRILLE BLACK 2 4 998 417 02 EMBLEM No 5 SONY 3 4 243 834 01 PANEL FRONT SILVER US CND 3 4 243 834 11 PANEL FRONT BLACK WMSP7...

Page 8: ...E WMSP85 53 4 235 677 01 SCREW 4X20 TYPE1 BVTP 54 3 703 244 00 BUSHING 2104 CORD 057 1 696 847 11 CORD POWER AUS 057 1 769 744 11 CORD POWER AEP UK SP 057 1 783 532 11 CORD POWER US CND MX 057 1 792 823 12 CORD POWER TRACKING E2 0F901 1 533 450 11 FUSE GLASS TUBE 2 5A 125V US CND MX 0F901 1 532 463 51 FUSE T1AL 250V EXCEPT US CND MX 0F902 1 532 464 31 FUSE T2 5AL 250V E2 0T1 1 439 625 11 POWER TRA...

Page 9: ...NPUT RESISTOR R110 1 249 441 11 CARBON 100K 5 1 4W R202 1 249 417 11 CARBON 1K 5 1 4W F A 4731 189 A MAIN BOARD COMPLETE WMSP75 A 4731 195 A MAIN BOARD COMPLETE WMSP85 CAPACITOR C203 1 136 165 00 FILM 0 1uF 5 50V C204 1 136 165 00 FILM 0 1uF 5 50V C205 1 126 964 11 ELECT 10uF 20 00 50V C206 1 126 964 11 ELECT 10uF 20 00 50V C207 1 131 679 31 FILM 0 01uF 5 50V C208 1 131 696 11 FILM 0 22uF 5 50V C2...

Page 10: ... 249 429 11 CARBON 10K 5 1 4W R207 1 249 429 11 CARBON 10K 5 1 4W R208 1 249 429 11 CARBON 10K 5 1 4W R209 1 249 441 11 CARBON 100K 5 1 4W R210 1 247 895 00 CARBON 470K 5 1 4W R211 1 247 887 00 CARBON 220K 5 1 4W R212 1 249 433 11 CARBON 22K 5 1 4W R213 1 249 433 11 CARBON 22K 5 1 4W R214 1 247 887 00 CARBON 220K 5 1 4W R216 1 249 429 11 CARBON 10K 5 1 4W R217 1 249 441 11 CARBON 100K 5 1 4W R301 ...

Page 11: ... 250V CONNECTOR CN3 1 564 321 00 PIN CONNECTOR 3 96mm PITCH 2P CN901 1 564 517 11 PLUG CONNECTOR 2P DIODE D901 8 719 058 03 DIODE SEL5423E TP15 POWER SWITCH 0S901 1 554 920 11 SWITCH PUSH AC POWER 1 KEY POWER MISCELLANEOUS 057 1 696 847 11 CORD POWER AUS 057 1 769 744 11 CORD POWER AEP UK SP 057 1 783 532 11 CORD POWER US CND MX 057 1 792 823 12 CORD POWER TRACKING E2 0F901 1 533 450 11 FUSE GLASS...

Page 12: ...vised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2003 02 New 1 1 2003 04 SA WMSP85 US model addition 1 2 2003 06 SA WMSP85 Canadian model addition 1 3 2003 12 Addition of the Part No for Ref No 1 Grille Net BLACK SPM 03125 1 4 2004 01 Correction of the description of the composition on the cover SPM 04001 ...

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