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SA-WMS145/WMSP50
SERVICE MANUAL
Ver 1.0 2003. 05
• SA-WMS145 are the subwoofer
section in SA-VE145.
• SA-WMSP50 are the subwoofer
section in SA-VE2M, HT-SL50/SL55.
Sony Corporation
9-877-360-01
2003E04-1
Home Audio Company
© 2003. 05
Published by Sony Engineering Corporation
photo: SA-WMS145
SPECIFICATIONS
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
Approx. 270 × 325 × 398 mm, including
Dimensions (w/h/d)
front grille
Mass
Approx. 10 kg
Design and specifications are subject to change without notice.
AEP Model
UK Model
SA-WMS145/WMSP50
E Model
SA-WMSP50
ACTIVE SUBWOOFER
1
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Summary of Contents for Sony SA-WMS145
- Page 1 SERVICE MANUAL AEP Model UK Model Ver 1.0 2003. 05 SA-WMS145/WMSP50 E Model SA-WMSP50 • SA-WMS145 are the subwoofer section in SA-VE145. • SA-WMSP50 are the subwoofer photo: SA-WMS145 section in SA-VE2M, HT-SL50/SL55. SPECIFICATIONS Speaker system Active subwoofer, magnetically shielded...
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Page 2: Table Of Contents
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: Diagrams
SA-WMS145/WMSP50 SECTION 1 DIAGRAMS 1-1. CIRCUIT BOARDS LOCATION LED board INPUT board MAIN board SWITCH board POWER TRANS board CONTROL board... - Page 4 SA-WMS145/WMSP50 • Semiconductor Note on Schematic Diagram: Location • All capacitors are in µF unless otherwise noted. pF: µµF Ref. No. Location 50 WV or less are not indicated except for electrolytics D205 E-10 and tantalums. D206 E-11 • All resistors are in Ω and...
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Page 5: Printed Wiring Boards
SA-WMS145/WMSP50 1-2. PRINTED WIRING BOARDS • Refer to page 3 for Circuit Boards Location. D901 CN901 FH901 R500 CN402 CN204 CN202 CNP111 C210 JW132 R404 R212 CN301 F901 R217 R403 C401 JW131 C402 R508 JW130 C211 D401 JW121 R601 R209... -
Page 6: Schematic Diagram
SA-WMS145/WMSP50 1-3. SCHEMATIC DIAGRAM R209 R208 IC202(2/2) IC202(1/2) IC203(1/2) R212 R213 C801 CNP111 CNP801 R216 CN202 CN101 C203 C204 RV801 J101 C201 R202 C208 R207 R214 C207 C209 C101 R110 R205 R206 R210 IC203(2/2) C210 R211 C205 C206 R217 C211... -
Page 7: Exploded Views
SA-WMS145/WMSP50 SECTION 2 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by mark 0 or dotted line with mark number in the exploded views are not supplied. Example : 0 are critical for safety. -
Page 8: Rear Section
SA-WMS145/WMSP50 2-2. REAR SECTION not supplied not supplied F901 not supplied The components identified by mark 0 or dotted line with mark. 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. -
Page 9: Electrical Parts List
SA-WMS145/WMSP50 SECTION 3 CONTROL INPUT ELECTRICAL PARTS LIST MAIN NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by mark 0 or dotted line with mark. the parts list may be different from the they are seldom required for routine service. - Page 10 SA-WMS145/WMSP50 MAIN POWER TRANS SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CN301 1-564-320-00 PIN, CONNECTOR (3.96mm PITCH) 2P 0 R314 1-217-637-00 FUSIBLE 1/4W F CN402 1-785-104-11 PIN, CONNECTOR (3.96mm PITCH) 6P R315 1-249-437-11 CARBON...
- Page 11 SA-WMS145/WMSP50 MEMO...
- Page 12 SA-WMS145/WMSP50 REVISION 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 2003. 05...