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Sony SA-WMSP69 Service Manual
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Sony SA-WMSP69 Service Manual

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SERVICE MANUAL
Ver. 1.0 2005.05
• SA-WMSP69 is the subwoofer section
in HT-6900DP/9900M.
Sony Corporation
9-879-650-01
Audio Group
2005E04-1
Published by Sony Engineering Corporation
© 2005.05
SA-WMSP69
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, from 28 – 200 Hz; rated 120
watts, minimum RMS power, with no more than
0.8% total harmonic distortion from 250
milliwatts to rated output.
Speaker system
Active subwoofer,
magnetically shielded
Speaker unit
250 mm cone type
Enclosure type
Acoustically loaded bass
reflex
RMS output
160 W (6 ohms, 100 Hz,
THD 10%)
Input
LINE IN (input pin jacks)
Power requirements
120 V AC, 60 Hz
Power consumption
120 W
Dimensions (w/h/d) (Approx.)
337 × 410 × 366 mm
(13
× 16
1/4
including front panel
Mass (Approx.)
13.0 kg (28 lb 11 oz)
Design and specifications are subject to change without
notice.
× 14
inches)
1/8
1/2
US Model
SUB WOOFER

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Summary of Contents for Sony SA-WMSP69

  • Page 1 SA-WMSP69 SERVICE MANUAL US Model Ver. 1.0 2005.05 • SA-WMSP69 is the subwoofer section in HT-6900DP/9900M. SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 6 ohm loads, from 28 – 200 Hz; rated 120 watts, minimum RMS power, with no more than 0.8% total harmonic distortion from 250...

  • 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-WMSP69 SECTION 1 DIAGRAMS 1-1. CIRCUIT BOARDS LOCATION CONTROL board MAIN board INPUT board POWER TRANS board SWITCH board...
  • Page 4 SA-WMSP69 • NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For printed wiring boards: For schematic diagrams:...

  • Page 5: Schematic Diagram - Main Section

    SA-WMSP69 1-2. SCHEMATIC DIAGRAM — MAIN SECTION — IC203(1/2) R212 R213 C801 CNP111 CNP801 R216 RV801 C208 C209 IC202(1/2) C201 CN101 CN201 R202 R209 J101 C205 C311 C203 C204 IC202(2/2) C101 R207 IC203(2/2) C206 C210 C312 R210 R211 R110 R205...

  • Page 6: Printed Wiring Boards - Main Section

    SA-WMSP69 1-3. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 3 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location D205 D206 (CHASSIS) D301 A-10 C210 D302 A-11 C302 R213 IC203 D303...

  • Page 7: Exploded Views

    SA-WMSP69 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-WMSP69 2-2. REAR SECTION supplied with RV801 not supplied Q307 not supplied (CONTROL board) not supplied Q308 F901 not supplied (INPUT board) not supplied (POWER TRANS board) not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 9: Electrical Parts List

    SA-WMSP69 SECTION 3 CONTORL INPUT MAIN ELECTRICAL PARTS LIST 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-WMSP69 MAIN POWER TRANS SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < GROUND TERMINAL > R322 1-247-863-11 CARBON 1/4W R323 1-249-429-11 CARBON 1/4W 1-537-738-21 TERMINAL, GROUND R324 1-249-408-11 CARBON 1/4W F 1-537-738-21 TERMINAL, GROUND...
  • Page 11 SA-WMSP69 Ref. No. Part No. Description Remark MISCELLANEOUS *************** 0 53 1-783-820-11 CORD, POWER 0 F901 1-533-452-12 FUSE, GLASS TUBE (DIA. 5) (4A/125V) Q307 6-702-391-01 TRANSISTOR MP1620-OPY-MK Q308 6-702-390-01 TRANSISTOR MN2488-OPY-MK SP901 1-825-768-11 LOUD SPEAKER (25cm) 0 T1 1-443-652-11 TRANSFORMER, POWER...
  • Page 12 SA-WMSP69 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 2005.05...
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