Sony SA-WP890 User Manual

SERVICE MANUAL
US Model
AEP Model
UK Model
ACTIVE SUBWOOFER
9-887-518-02
2008B05-1
© 2008.02
Ver. 1.1 2008.02
SPECIFICATIONS
SA-WP890
•Wood color type is the subwoofer in HT-DDW890/
DDWG800.
• Black color type is the subwoofer in HT-7200DH.
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 6 ohm loads, from 28 – 200 Hz; rated 120 watts, minimum RMS
power, with no more than 1% total harmonic distortion from 250
milliwatts to rated output.
Speaker system Active subwoofer, Bass reflex, Magnetically
shielded
Speaker unit 8 inches (200 mm), cone type
RMS output 200 W (US model)
190 W (AEP and UK models)
Input LINE IN (input pin jacks)
Power requirements 120 V AC, 60 Hz (US model)
230 V AC, 50/60 Hz (AEP and UK models)
Power consumption 80 W
Dimensions (w/h/d) (Approx.)
10 3/4 × 13 1/4 × 15 inches (270 × 335 × 380
mm) with foot
Mass (Approx.) 18 lb 5 oz (8.3 kg)
Design and specifications are subject to change without notice.
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation

Sony SA-WP890 Specifications

General

Type	Active Subwoofer
Model	SA-WP890
Brand	Sony
Power Output	100W
Dimensions (W x H x D)	280 x 345 x 420 mm
Weight	11 kg
Amplifier Power	100W
Frequency Response	20Hz - 200Hz
Inputs	Line In

Summary

SERVICE MANUAL

SPECIFICATIONS

Technical specifications for the subwoofer, including power output and requirements.

SAFETY CHECK-OUT

Essential safety procedures and leakage tests for serviced units.

UNLEADED SOLDER

Guidance on the characteristics and use of unleaded solder.

SECTION 1 DIAGRAMS

1-1. BLOCK DIAGRAM

High-level overview of the subwoofer's signal flow and functional blocks.

1-2. PRINTED WIRING BOARDS - MAIN SECTION

Visual layout of components and traces on the main circuit board.

1-3. SCHEMATIC DIAGRAM - MAIN SECTION

Detailed electrical circuit diagram for the main section.

1-4. PRINTED WIRING BOARDS - POWER SECTION

Visual layout of components and traces on the power supply board.

1-5. SCHEMATIC DIAGRAM - POWER SECTION

Detailed electrical circuit diagram for the power supply section.

SECTION 2 EXPLODED VIEWS

2-1. OVERALL SECTION

Exploded view illustrating the physical assembly and part identification.

SECTION 3 ELECTRICAL PARTS LIST

INPUT CONTROL, LED, MAIN BOARDS

List of components for the input control, LED, and main circuit boards.

POWER TRANS, SWITCH BOARDS

List of components for the power transformer and switch circuit boards.

REVISION HISTORY