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Sony SA-WMSP76 Service Manual
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Sony SA-WMSP76 Service Manual

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SERVICE MANUAL
Ver 1.1 2004.07
• SA-WMSP76 is the sub woofer section in
HT-DDW755/760 and HT-4800DP.
Sony Corporation
9-877-667-02
Home Audio Company
2004G16-1
Published by Sony Engineering Corporation
© 2004.07
SA-WMSP76
SPECIFICATIONS
Speaker system
Active subwoofer,
magnetically shielded
Speaker unit
200 mm cone type
Enclosure type
Acoustically loaded bass
reflex
RMS output:
100 W (6 ohms, 100 Hz,
THD 10%)
Input
LINE IN (input pin jacks)
Power requirements
Area code
Power requirements
US, CA
120 V AC, 60 Hz
CEL, CEK, MY, SP, AU
230 V AC, 50/60 Hz
Power consumption
75 W
Dimensions (w/h/d) (Approx.)
270 × 325 × 398 mm
(10 3/4 × 12 7/8 × 15 3/4
inches) including front
panel
Mass (Approx.)
9.0 kg (19 lb 14oz)
Canadian Model
Australian Model
• Abbreviation
AU
: Australian model
CA
: Canadian model
CEK : UK model
CEL : AEP model
MY : Malaysia model
SP
: Singapore model
ACTIVE SUBWOOFER
US Model
AEP Model
UK Model
E Model

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  • Page 1 SERVICE MANUAL US Model Canadian Model Ver 1.1 2004.07 AEP Model UK Model E Model Australian Model • SA-WMSP76 is the sub woofer section in HT-DDW755/760 and HT-4800DP. SPECIFICATIONS Speaker system Active subwoofer, magnetically shielded Speaker unit 200 mm cone type...
  • Page 2 CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU PUBLISHED BY SONY.
  • Page 3 SA-WMSP76 SECTION 1 DIAGRAMS • IC BLOCK DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) IC301-STK404-100S (MAIN Board) Note on Schematic Diagram: Note on Printed Wiring Boards: •...
  • Page 4 SA-WMSP76 1-2. PRINTED WIRING BOARD – MAIN SECTION – • See page 3 for Circuit Board Location • : Uses unleaded solder. (Page 5) (US,CND) INPUT (Page 5) • Semiconductor Location Ref. No. Location D205 D206 D301 D302 D304 D401...
  • Page 5 SA-WMSP76 1-3. PRINTED WIRING BOARD – POWER SECTION – • See page 3 for Circuit Board Location • : Uses unleaded solder. (Page 4) (Page 4) (Page 4)
  • Page 6 SA-WMSP76 1-4. SCHEMATIC DIAGRAMS R209 100k ∗ C209 US, CND : 220p R208 EXCEPT US, CND : 100p IC202(1/2) M5218AP_22 C801 R212 R213 IC203(1/2) CNP801 C201 M5218AP_22 CNP111 CN202 R216 RV801 C203 C204 J101 C208 R202 0.22 C101 R110 IC202(2/2)

  • Page 7: Section 2 Exploded Views

    Part No. Description Remarks 4-243-842-21 GRILLE FRAME 4-999-482-71 KNOB (VOL) 4-998-417-02 EMBLEM (NO.5), SONY 4-235-677-01 SCREW (4X20) (TYPE1), +BVTP 4-243-834-01 FRONT PANEL (US, CND) 1-529-995-13 SPEAKER (20cm) (US, CND) 4-243-834-21 FRONT PANEL (EXCEPT US, CND) 1-825-004-13 SPEAKER (20cm) (EXCEPT US, CND)

  • Page 8: Amp Section

    SA-WMSP76 2-2. AMP SECTION supplied supplied supplied supplied supplied F901 supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 0 57 A-4723-991-A SPEAKER CABINET ASSY 1-783-820-11 CORD, POWER (US, CND) (US, CND, MY, SP, AUS) 0 F901...

  • Page 9: Section 3 Electrical Parts List

    SA-WMSP76 CONTROL SECTION 3 ELECTRICAL PARTS LIST INPUT(CONTROL) MAIN NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference num- parts list may be different from the parts All resistors are in ohms. ber, please include the board name.
  • Page 10 SA-WMSP76 MAIN POWER TRANS SWITCH Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C601 1-126-964-11 ELECT 10uF R304 1-215-886-11 METAL OXIDE R305 1-247-871-91 CARBON 1/4W < CONNECTOR > R306 1-247-847-91 CARBON 4.7K 1/4W R307 1-247-847-91 CARBON 4.7K...
  • Page 11 SA-WMSP76 SWITCH Ref. No. Part No. Description Remarks * CN901 1-564-517-11 PLUG, CONNECTOR 2P < DIODE > D901 8-719-057-10 DIODE LNJ301MPUJAB (POWER) < SWITCH > 0S901 1-554-920-11 SWITCH, PUSH (AC POWER) (1 KEY) (POWER) ************************************************************ MISCELLANEOUS ************** 0 57 1-696-847-22 CORD, POWER (AUS)

  • Page 12: Revision History

    SA-WMSP76 REVISION HISTORY Clicking the version allows you to jump 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 2004.03...

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