Panasonic SB-WA17E User Manual

n Active subwoofer
Type 1 Way, 2 Speaker, Bass re
f
Speaker unit (Woofer) 15 cm Cone type, 4 Ω
Output sound pressure level 84 dB/W (1.0 m)
Frequency range 34 Hz-220 Hz (-16 dB)
38 Hz-190 Hz (-10 dB)
Dimensions (W x H x D) 202 x 410 x 500 mm
Mass 13.7 kg
n General
Power supply AC 230-240 V, 50Hz (EB)
AC 230 V, 50Hz (E)
Power consumption 390 W
Power consumption (standby
mode)
1W
Note :
Specifications are subject to change without notice.
Mass and dimensions are approximate.
1 Safety Precautions
3
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SB-WA17E
SB-WA17EB
Colour
(S)... Silver Type
n System : SC-HT17(EG) Music Center: SA-HT17(EG)
Satellite Speakers: SB-HT17(P)
Active Subwoofer: SB-WA17(E)
n System : SC-HT17(EP) Music Center: SA-HT17(EP)
Satellite Speakers: SB-HT17(P)
Active Subwoofer: SB-WA17(E)
n System : SC-HT17(EB) Music Center: SA-HT17(EB)
Satellite Speakers: SB-HT17(P)
Active Subwoofer: SB-WA17(EB)
1.1. GENERAL GUIDELINES 3
Active Subwoofer System
Specification
CONTENTS
Page Page
ORDER NO. MD0504186C2

Panasonic SB-WA17E Specifications

General

Brand	Panasonic
Model	SB-WA17E
Category	Subwoofer
Language	English

Summary

1 Safety Precautions

1.1 General Guidelines

1.1.1 Leakage Current Cold Check

Procedure to check for leakage current to prevent shock hazards using an ohmmeter.

1.1.2 Leakage Current Hot Check

Procedure to check for leakage current to prevent shock hazards using an AC voltmeter.

2 Caution for AC Mains Lead

7 Disassembly Procedure

7.1 Disassembly Flow Charts

7.2 Speaker Unit Disassembly

7.2.4 Power Amp Unit Disassembly

7.2.5 Rear Panel and Fan Unit Disassembly

7.2.6-7.2.8 PCB Disassembly and Component Replacement

Instructions for disassembling and checking various PCBs and replacing components.

8 Voltage Measurement and Waveform Chart

8.1 Voltage Measurement

Provides standard DC voltage values for different PCBs under various modes.

8.2 Waveform Chart

9 Block Diagram

11 Schematic Diagram

11.1 Power Circuit

Schematic diagram detailing the power supply and distribution circuits.

11.2 Transformer Circuit and AC Inlet Circuit

11.3 Amplifier Circuit

12 Printed Circuit Board

12.2 AC Inlet P.C.B. and Transformer P.C.B.

13 Wiring Connection Diagram

15 Parts Location and Replacement Parts List

15.1.2 Cabinet Parts List

15.2 Electrical Parts List

Comprehensive list of electronic components, including ICs, transistors, diodes, and passive components.