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SERVICE MANUAL

Sony Corporation

Audio Group
Published by Sony Engineering Corporation

US Model

Canadian Model

SA-WMSP87

AEP Model

UK Model

SA-WMSP87E

E Model

Australian Model

SA-WMSP87

ACTIVE SUBWOOFER

9-879-452-02

2005J16-1
© 2005.10

Ver.  1.1  2005.10

SPECIFICATIONS

SA-WMSP87/WMSP87E

• SA-WMSP87/WMSP87E are the

sub woofer section in HT-5950DP/
DDW675 and HT-DDW870.

Photo: SA-WMSP87

  M

odels of area code CEL, CEK 

(SA-WMSP87E)

  Models of other area code (SA-WMSP87)

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC 
DISTORTION:

(Models of area code U only)

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

155 W (5 ohms, 100 Hz, 
THD 10%)

Models of area code CEL, CEK

120 W (6 ohms, 100 Hz, 
THD 10%)

Models of other area code 110 W (6 ohms, 100 Hz, 

THD 10%)

Input 

LINE IN (input pin jacks)

Power requirements

Power consumption

100 W

Dimensions (w/h/d) (Approx.)

270 

×

 325 

×

 398 mm

(10 5/8 

× 

12 3/4 

× 

15 5/ 

× 

8  

inches)

Mass (Approx.)

9.0 kg (19 lb 14 oz)

Area code

Power requirements

U, CA

120 V AC, 60 Hz

MX

127 V AC, 60 Hz

CEL, CEK

230 V AC, 50/60 Hz

AU

240 V AC, 50 Hz

SP

220 – 230 V AC,
50/60 Hz

E51

120/220/240 V AC,
50/60 Hz

Abbreviation
AU

: Australian model

CA

: Canadian model

CEK

: UK model

CEL

: AEP model

E51

: Chilean and Peruvian model

MX

: Mexican model

SP

: Singapore model

U

: US model

Summary of Contents for SA-WMSP87

Page 1: ...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 U CA 155 W 5 ohms 100 Hz THD 10 Models of area code CEL CEK 120 W 6 ohms 100 Hz THD 10 Models of other area code 110 W 6 ohms 100 Hz THD 10 Input LINE IN input pin jacks Power re...

Page 2: ...ive 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 kΩ 0 15 µF AC voltmeter 0 75 V To Exposed Metal Parts on Set Earth Ground 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...

Page 3: ... with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production tolerances Signal path F AUDIO Abbreviation CND Canadian model E51 Chilean and Peruvian model THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block Note The components identi fied by mark 0 or dot ted line with mark 0 are critical...

Page 4: ...ELECTOR S2 240V 220V 120V F901 AC IN CHASSIS E 1 13 1 4 8 5 1 4 8 5 E E E E 1 2 1 3 CHASSIS 2 1 SP1 WOOFER INPUT IC301 IC202 IC203 T1 POWER TRANSFORMER 1 A B C D E F G H 2 3 4 5 6 7 8 9 10 11 12 13 Semiconductor Location Ref No Location D205 C 11 D206 C 11 D301 E 8 D302 E 8 D304 C 10 D401 C 7 D402 C 8 D403 C 8 D501 B 9 D502 E 8 D602 B 10 D901 C 2 IC202 C 11 IC203 C 12 IC301 E 10 Q501 B 9 Q502 C 10...

Page 5: ...124 JW126 JW127 JW501 C312 C314 R505 R304 R501 G1 G2 JW112 R500 SP1 C409 C410 C313 R313 D302 C406 R207 C203 C204 R208 AEP UK R209 R210 R205 R212 R213 C208 R216 R214 C210 R217 C207 C305 C304 R504 C601 D602 R601 D205 D206 C205 C206 JW123 JW105 JW402 JW107 JW108 JW132 JW109 R305 C311 CN202 JW125 JW110 R314 JW111 JW129 R306 JW101 CNP111 C404 JW404 JW403 JW103 JW104 C211 C209 JW117 JW118 R211 JW120 JW1...

Page 6: ...902 F901 F901 C2 CN3 D901 CNP401 6P C901 CN2 CN1 4700p 250V 2P 2P 4700p 250V 2P LNJ301MPUJAB 4700p 250V 2P 2P 3 3 3 E51 240V 220V 120V EXCEPT E51 JW3 EXCEPT AEP UK AEP UK WMSP87 WMSP87E D401 C407 C408 JW501 J101 R601 C101 R110 R202 R205 R206 R207 R208 R210 C316 C317 R211 R212 R213 D205 D206 R216 C209 R217 R214 C211 R301 R313 C314 D301 D302 R302 R303 C312 C313 C311 R305 R309 R306 R307 R310 D304 R31...

Page 7: ... portant le numéro spécifié 2 1 FRONT RANEL ASSY 1 2 3 4 5 7 6 SP1 amp section not supplied not supplied 1 1 1 1 3 not supplied not supplied not supplied not supplied Ref No Part No Description Remark Ref No Part No Description Remark 1 4 998 417 02 EMBLEM NO 5 SONY 2 4 973 938 83 KNOB A PUSH CND MX SP E51 AUS 2 4 973 938 93 KNOB A PUSH US 2 4 229 517 41 KNOB SW WMSP87E 3 4 999 482 71 KNOB VOL CND...

Page 8: ... 270 A MAIN BOARD COMPLETE MX SP E51 AUS 56 A 4734 911 A MAIN BOARD COMPLETE WMSP87E 57 1 688 813 11 INPUT BOARD WMSP87E 57 Not Supplied INPUT BOARD WMSP87 58 1 688 814 11 POWER TRANS BOARD WMSP87E 58 Not Supplied POWER TRANS BOARD WMSP87 0T1 1 439 624 12 TANSFORMER POWER WMSP87E 0T1 1 443 630 11 TRANSFORMER POWER US CND 0T1 1 443 634 11 POWER TRANSFORMER AUS SP 0T1 1 443 631 11 POWER TRANSFORMER ...

Page 9: ...NPUT RESISTOR R110 1 247 879 91 CARBON 100K 5 1 4W R202 1 247 831 91 CARBON 1K 5 1 4W 1 688 812 11 LED BOARD WMSP87E CONNECTOR CN901 1 564 517 11 PLUG CONNECTOR 2P DIODE D901 8 719 057 10 DIODE LNJ301MPUJAB POWER A 1108 655 A MAIN BOARD COMPLETE US CND A 1109 270 A MAIN BOARD COMPLETE MX SP E51 AUS A 4734 911 A MAIN BOARD COMPLETE WMSP87E CAPACITOR C203 1 136 165 00 FILM 0 1uF 5 50V WMSP87E C203 1...

Page 10: ...2 8 719 991 33 DIODE 1SS133T 77 GROUND TERMINAL G1 1 537 738 21 TERMINAL GROUND G2 1 537 738 21 TERMINAL GROUND IC IC202 8 759 636 74 IC M5218AP 22 IC203 8 759 636 74 IC M5218AP 22 IC301 6 600 091 01 IC STK404 130S 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 Q505 8 729 119...

Page 11: ...0 230 11 PIN CONNECTOR PC BOARD 2P SWITCH S2 1 771 291 31 SWITCH POWER VOLTAGE SELECTOR E51 1 688 811 11 SWITCH BOARD WMSP87E Not Supplied SWITCH BOARD WMSP87 CAPACITOR 0C901 1 113 924 11 CERAMIC 0 0047uF 20 250V WMSP87E 0C901 1 117 703 11 CERAMIC 0 0047uF 99 250V WMSP87 CONNECTOR CN3 1 564 321 00 PIN CONNECTOR 3 96mm PITCH 2P CN901 1 564 517 11 PLUG CONNECTOR 2P WMSP87 DIODE D901 8 719 057 10 DIO...

Page 12: ...p to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2005 02 New 1 1 2005 10 Correction of part number of POWER TRANSFORMER for US and Canadian models SPM 05068 ...

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