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Sony SA-WMSP68 Service Manual
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Sony SA-WMSP68 Service Manual

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SERVICE MANUAL
Ver 1.0 2004.07
• SA-WMSP68 is the subwoofer section
in HT-5800DP/6800DP/DDW960.
Sony Corporation
9-879-059-01
2004G04-1
Home Audio Company
© 2004.07
Published by Sony Engineering Corporation
SA-WMSP68
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, from 28 – 200 Hz; rated 100
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
120 W (6 ohms, 100 Hz,
THD 10%)
Input
LINE IN (input pin jacks)
Power requirements
120 V AC, 60 Hz
Power consumption
95 W
Dimensions (w/h/d) (Approx.)
13
× 16
3/8
2/8
inches (337 × 410 × 365.5
mm) including front panel
Mass (Approx.)
28 lb 11 oz (13.0 kg)
Design and specifications are subject to change without
notice.
× 14
4/8
SUB WOOFER
US Model
1

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  • Page 1 SA-WMSP68 SERVICE MANUAL US Model Ver 1.0 2004.07 • SA-WMSP68 is the subwoofer section in HT-5800DP/6800DP/DDW960. SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 6 ohm loads, from 28 – 200 Hz; rated 100 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-WMSP68 SECTION 1 DIAGRAMS 1-1. 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 schematic diagrams. For printed wiring boards.
  • Page 4 SA-WMSP68 • IC BLOCK DIAGRAM IC301 STK404-130S (POWER AMP Board) 11 12...

  • Page 5: Schematic Diagram - Main Section

    SA-WMSP68 1-3. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 4 for IC Block Diagram. R206 IC201(1/2) C202 R202 C203 R207 IC202(1/2) R210 R211 C208 J201 C204 R213 IC202(2/2) C206 IC201(2/2) RV201 R205 R208 R203 R204 C209 R209...

  • Page 6: Printed Wiring Boards - Main Section

    SA-WMSP68 1-4. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 3 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location D301 D302 TP301 D303 D401 D-10 D402 CN302 D403 D404 C313 D405...

  • Page 7: Exploded Views

    SA-WMSP68 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-WMSP68 2-2. REAR SECTION not supplied supplied with RV201 F901 not supplied (POWER TRANS board) not supplied (CONTROL board) not supplied The components identified by mark 0 or dotted line with mark. 0 are critical for safety. Replace only with part number specified.

  • Page 9: Electrical Parts List

    SA-WMSP68 SECTION 3 CONTROL 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-WMSP68 MAIN POWER AMP POWER TRANS SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D502 8-719-991-33 DIODE 1SS133T-77 < DIODE > D601 8-719-991-33 DIODE 1SS133T-77 D301 8-719-991-33 DIODE 1SS133T-77 < GROUND TERMINAL > D302 8-719-991-33 DIODE 1SS133T-77...
  • Page 11 SA-WMSP68 SWITCH Ref. No. Part No. Description Remark < DIODE > D701 6-500-991-01 LED TLPGE62T(SONY-M.F) (POWER) < SWITCH > 0 S901 1-554-920-11 SWITCH, PUSH (AC POWER) (1 KEY) (POWER) ************************************************************* MISCELLANEOUS *************** 0 55 1-783-820-11 CORD, POWER 0 F901 1-533-450-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)
  • Page 12 SA-WMSP68 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 2004.07...

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