Sony SA-WMSP1 User Manual

1
SA-WMSP1
SERVICE MANUAL
ACTIVE SUBWOOFER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
SPECIFICATION
Ver 1.0 2001.03
Sony Corporation
Audio Entertainment Group
General Engineering Dept.
9-873-847-11
2001C0900-1
© 2001. 3
System
Type
Active Subwoofer (magnetically shielded design)
Speaker unit
Woofer: 20 cm dia. (8 in.), cone type
Amplifier section
Continuous RMS output :
Canadian model (0.8%) 50W
European model (DIN) 50 W
Other models (0.8%) 50 W
Reproduction frequency range
28 Hz – 200 Hz
Inputs
Input jacks
LINE IN: input pin jack
General
Power requirements
Canadian model: 120 V AC, 60 Hz
European model: 230 V AC, 50/60 Hz
Power consumption
50 W
Dimensions
Approx. 270 x 325 x 385 mm
(10
3
/
4
x 12
7
/
8
x 15
1
/
4
in.) (w/h/d)
Mass
10 kg (22 lb 1oz)
Design and specifications are subject to change
without notice.

Sony SA-WMSP1 Specifications

General

Type	Active Subwoofer
Amplifier Power	100 Watts
Frequency Response	28 Hz - 200 Hz
Connectivity	Wired
Inputs	Line Level
Phase Switch	Yes
Weight	22.05 lbs
Driver Size	8 inches
Crossover Frequency	50Hz - 200Hz (variable)
Dimensions (W x H x D)	200 x 290 x 290 mm

Summary

Specifications

System Specifications

Details on the audio system, speaker unit, amplifier, and frequency range.

General Specifications

Covers power requirements, consumption, dimensions, and mass.

Safety Check-out

AC Leakage Measurement

Procedure and methods for checking AC leakage current on exposed metal parts.

General

Location of Controls

Identifies the power button, power indicator, and level dial on the top view.

Diagrams

Circuit Boards Location

Diagram showing the placement of the main, control, LED, power IC, and switch boards.

Printed Wiring Boards

Layouts of the printed wiring for the main, control, LED, power IC, and switch boards.

Schematic Diagram

Detailed circuit schematics for the main, control, power IC, LED, and switch boards.

Exploded Views

Front Section Exploded View

Diagram illustrating the assembly of the front panel, grille, and speaker unit.

Amplifier Section Exploded View

Diagram showing the exploded components of the amplifier section, including boards and power transformer.

Electrical Parts List

Control Board Parts

List of electrical components for the control board, including capacitors, connectors, and ICs.

LED Board Parts

List of electrical components for the LED board, including connectors and diodes.

Main Board Parts

List of electrical components for the main board, including capacitors, connectors, diodes, and fuses.

Power IC Board Parts

List of electrical components for the power IC board, including capacitors, connectors, ICs, and resistors.

Switch Board Parts

List of electrical components for the switch board, including connectors and switches.

Revision History