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• SA-WMS145 are the subwoofer

section in SA-VE145.

• SA-WMSP50 are the subwoofer

section in SA-VE2M, HT-SL50/SL55.

Ver 1.0  2003. 05

SERVICE MANUAL

AEP Model

UK Model

SA-WMS145/WMSP50

E Model

SA-WMSP50

Speaker system

Active subwoofer, magnetically shielded

Speaker unit

Woofer: 20 cm, cone type

Enclosure type

Advanced SAW type

Amplifire section
Continuous RMS power output

100 W (6 ohms, 20 - 250 Hz, 0.8% THD)

Reproduction frequency range

28 Hz - 200 Hz

High frequency cut-off frequency

150 Hz

Inputs

INPUT (input pin jack)

General

Power requirements

230 V AC, 50/60 Hz

Power consumptions

100 W

Dimensions (w/h/d)

Approx. 270 

×

 325 

×

 398 mm, including

front grille

Mass

Approx. 10 kg

Design and specifications are subject to change without notice.

SPECIFICATIONS

Sony Corporation

Home Audio Company

Published by Sony Engineering Corporation

9-877-360-01

2003E04-1

© 2003. 05

ACTIVE SUBWOOFER

photo: SA-WMS145

SA-WMS145/WMSP50

Summary of Contents for SA-WMS145

Page 1: ...s RMS power output 100 W 6 ohms 20 250 Hz 0 8 THD Reproduction frequency range 28 Hz 200 Hz High frequency cut off frequency 150 Hz Inputs INPUT input pin jack General Power requirements 230 V AC 50 60 Hz Power consumptions 100 W Dimensions w h d Approx 270 325 398 mm including front grille Mass Approx 10 kg Design and specifications are subject to change without notice SPECIFICATIONS Sony Corpora...

Page 2: ...nt Section 7 2 2 Rear Section 8 3 ELECTRICAL PARTS LIST 9 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 ...

Page 3: ...3 SA WMS145 WMSP50 1 1 CIRCUIT BOARDS LOCATION SECTION 1 DIAGRAMS CONTROL board LED board INPUT board MAIN board POWER TRANS board SWITCH board ...

Page 4: ...th aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F AUDIO Note on Printed Wiring Boards X parts extracted from the component side Pattern from the side which enables seeing Note The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Ref No Location D205 E 10 D206 E 1...

Page 5: ...JW114 JW115 R308 D401 D301 JW106 R309 R303 C301 JW301 R508 Q505 R506 D502 R507 JW401 JW124 JW126 JW127 JW501 C312 R505 R304 R501 G1 G2 JW112 R500 SP1 C409 C410 C313 JW128 R313 R315 D302 C406 R207 C203 C204 R208 R209 R210 R205 R212 R213 C208 R216 C210 R217 C207 R214 C305 C304 R504 C601 D602 R601 D205 D206 C205 C206 JW123 JW105 IC203 IC202 JW107 JW108 JW132 JW109 R305 C311 CN202 JW125 JW110 R314 JW1...

Page 6: ...07 R310 D304 R312 D602 C401 C402 C409 C410 D402 D403 R500 R501 R502 R503 Q501 R504 R505 Q502 Q503 Q504 R508 R506 R507 C201 Q505 C601 CN204 R403 C502 C303 C301 C302 C203 C204 C205 C206 C305 C304 C306 C307 C308 R314 CN402 CNP401 C309 C310 C207 C208 C801 R304 C210 C403 C404 R404 C503 CN301 CN901 T1 CN3 IC202 1 2 IC202 2 2 IC203 1 2 IC203 2 2 IC301 CN101 CN202 RY301 RV801 CNP801 CNP111 R315 R308 D502 ...

Page 7: ...lor R R 1 A 4737 806 A GRILLE FRAME ASSY SILVER SILVER 1 A 4740 193 A GRILLE FRAME ASSY SILVER WOOD 1 A 4740 283 A GRILLE FRAME ASSY BLACK BLACK 2 4 246 148 01 PANEL FRONT SILVER SILVER WOOD 2 4 246 148 11 PANEL FRONT BLACK BLACK 3 4 235 677 01 SCREW 4X20 TYPE1 BVTP 4 1 688 810 11 CONTROL BOARD 5 1 688 812 11 LED BOARD 6 1 688 811 11 SWITCH BOARD 7 4 229 516 12 KNOB VOL 8 4 229 517 03 KNOB SW SP1 ...

Page 8: ...5 1 688 814 11 POWER TRANS BOARD 56 A 4734 911 A MAIN BOARD COMPLETE 57 1 688 813 11 INPUT BOARD 058 1 770 019 11 ADAPTOR CONVERSION PLUG 3P UK 0F901 1 532 463 51 FUSE T1AL 250V 0T1 1 439 624 11 TRANSFORMER POWER 1 7 685 647 79 SCREW BVTP 3X10 TYPE2 IT 3 2 7 685 881 09 SCREW BVTT 4X8 S 3 7 685 650 79 SCREW BVTP 3X16 TYPE2 IT 3 The components identified by mark 0 or dotted line with mark 0 are crit...

Page 9: ...V C204 1 136 165 00 FILM 0 1uF 5 50V C205 1 126 964 11 ELECT 10uF 20 50V C206 1 126 964 11 ELECT 10uF 20 50V C207 1 131 679 31 FILM 0 01uF 5 50V C208 1 131 696 11 FILM 0 22uF 5 50V C209 1 128 813 11 CERAMIC 220PF 5 50V C210 1 126 964 11 ELECT 10uF 20 50V C211 1 128 813 11 CERAMIC 220PF 5 50V C301 1 128 813 11 CERAMIC 220PF 5 50V C302 1 126 964 11 ELECT 10uF 20 50V C303 1 104 665 11 ELECT 100uF 20 ...

Page 10: ...86 11 METAL OXIDE 100 5 2W F R305 1 249 437 11 CARBON 47K 5 1 4W R306 1 249 425 11 CARBON 4 7K 5 1 4W R307 1 249 425 11 CARBON 4 7K 5 1 4W 0R308 1 234 182 11 ENCAPSULATED COMPONENT 0 22X2 5W R309 1 249 406 11 CARBON 120 5 1 4W R310 1 249 393 11 CARBON 10 5 1 4W 0R311 1 215 868 00 METAL OXIDE 680 5 1W F R312 1 249 433 11 CARBON 22K 5 1 4W R313 1 249 433 11 CARBON 22K 5 1 4W 0R314 1 217 637 00 FUSIB...

Page 11: ...11 SA WMS145 WMSP50 MEMO ...

Page 12: ...ISION 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 2003 05 New ...

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