Sony SA-WM40 Service Manual

SERVICE MANUAL
ACTIVE SUBWOOFER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
SPECIFICATIONS
SA-WM40
Ver 1.2 2002.09
9-929-065-12 Sony Corporation
2002I0500-1 Home Audio Company
C 2002.09 Published by Sony Engineering Corporation

Sony SA-WM40 Specifications

General

Type	Active Subwoofer
Driver Size	10 inches
Power Output	100 watts
Frequency Response	28 Hz - 200 Hz
Dimensions	320 x 400 x 400 mm
Weight	11 kg
Amplifier Power	100 watts
Impedance	8 Ω

Summary

Specifications

Audio Power Specifications

Details power output and total harmonic distortion for US models.

System Specifications

Covers type, speaker unit, output, frequency range, and phase selector.

Input/Output and General Specifications

Lists connections, power requirements, consumption, dimensions, and mass.

Supplied Accessories

Lists included accessories like cords and plugs.

Safety and Identification

Safety Check-Out and Leakage Test

Procedures for checking AC leakage from exposed metal parts.

Model Identification

Visual guide for identifying the model via rear view and markings.

General Information and Diagrams

Location of Controls

Identifies front, upper, and rear panel controls and indicators.

Notes on Diagrams

Explains symbols and notations used in PWB and schematic diagrams.

Circuit Boards Location

Shows the physical locations of main, control, power TR, and PS boards.

Printed Wiring Boards (US, Canadian Models)

Schematic Diagram (US, Canadian Models)

Printed Wiring Boards (Except US, Canadian Models)

Schematic Diagram (Except US, Canadian Models)

Exploded View

Top Plate Section Exploded View

Exploded view of the top plate and associated components.

Parts List Notes

Explains abbreviations, standardized parts, and items not stocked.

Electrical Parts List - Main and Control Boards

Electrical Parts List - Power Boards and Transistors

Electrical Parts List - Power Switch and Miscellaneous

Electrical Parts List - PS Board and Accessories

Revision History