Sony SA-WMSP87 User Manual

SERVICE MANUAL
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
US Model
Canadian Model
SA-WMSP87
AEP Model
UK Model
SA-WMSP87E
E Model
Australian Model
SA-WMSP87
ACTIVE SUBWOOFER
9-879-452-02
2005J16-1
© 2005.10
Ver. 1.1 2005.10
SPECIFICATIONS
SA-WMSP87/WMSP87E
• SA-WMSP87/WMSP87E are the
sub woofer section in HT-5950DP/
DDW675 and HT-DDW870.
Photo: SA-WMSP87
M•
•
odels of area code CEL, CEK
(SA-WMSP87E)
Models of other area code (SA-WMSP87)
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(Models of area code U only)
With 6 ohm loads, from 28 – 200 Hz; rated 100
watts, minimum RMS power, with no more than
0.7% total harmonic distortion from 250
milliwatts to rated output.
Speaker system Active subwoofer,
magnetically shielded
Speaker unit 200 mm (7 7/8 inches)
cone type
Enclosure type Acoustically loaded bass
reflex
RMS output
Models of area code U, CA
155 W (5 ohms, 100 Hz,
THD 10%)
Models of area code CEL, CEK
120 W (6 ohms, 100 Hz,
THD 10%)
Models of other area code 110 W (6 ohms, 100 Hz,
THD 10%)
Input LINE IN (input pin jacks)
Power requirements
Power consumption 100 W
Dimensions (w/h/d) (Approx.)
270 × 325 × 398 mm
(10 5/8 × 12 3/4 × 15 5/ × 8
inches)
Mass (Approx.) 9.0 kg (19 lb 14 oz)
Area code Power requirements
U, CA 120 V AC, 60 Hz
MX 127 V AC, 60 Hz
CEL, CEK 230 V AC, 50/60 Hz
AU 240 V AC, 50 Hz
SP 220 – 230 V AC,
50/60 Hz
E51 120/220/240 V AC,
50/60 Hz
•Abbreviation
AU : Australian model
CA : Canadian model
CEK : UK model
CEL : AEP model
E51 : Chilean and Peruvian model
MX : Mexican model
SP : Singapore model
U:US model

Sony SA-WMSP87 Specifications

General

Type	Active Subwoofer
Power Output	100 Watts
Driver Size	8 inches
Inputs	Line level
Frequency Response	28-200 Hz

Summary

Service Manual

Specifications

Details on power requirements, output, speaker system, dimensions, and mass.

Safety Check-Out

Leakage Test Procedure

Procedure for testing AC leakage from exposed metal parts to earth ground.

Model Identification

Model Identification and Abbreviations

Lists model numbers and abbreviations for different regions.

Diagrams Overview

Printed Wiring Board Notes

Key for symbols and markings used on printed wiring board diagrams.

Schematic Diagram Notes

Symbols and conventions used in schematic diagrams.

Circuit Boards Location

Diagrams showing the physical location of main circuit boards.

Printed Wiring Board - WMSP87

WMSP87 Semiconductor Locations

Table mapping semiconductor reference numbers to board locations.

Printed Wiring Board - WMSP87E

WMSP87E Semiconductor Locations

Table mapping semiconductor reference numbers to board locations.

Exploded Views

Front Panel Assembly

Exploded view and parts list for the front panel assembly.

Amplifier Section Exploded View

Exploded view and parts list for the amplifier section.

Electrical Parts List

Capacitor Parts List

List of capacitors with part numbers, descriptions, and specifications.

Connector Parts List

List of connectors with part numbers and descriptions.

Diode Parts List

List of diodes with part numbers and descriptions.

Transistor Parts List

List of transistors with part numbers and descriptions.

Resistor Parts List

List of resistors with part numbers, values, and specifications.

Miscellaneous Parts List

List of miscellaneous parts including cords, fuses, and speakers.

Revision History