SB-WA530EB

ORDER NO. MD0502044C2 Active Subwoofer System SB-WA530EB Colour (S)... Silver Type Specification n Active subwoofer Type Speaker unit(s) 1. Woofer 2. Woofer Output sound pressure level Frequency range Dimensions (W x H x D) Mass n General Power consumption 250 W 13 cm Cone type, 4Ω 13 cm Cone type, 4Ω 80 dB/W (1.0 m) 40 Hz-220 Hz (-16 dB) 45 Hz-180 Hz (-10 dB) 201.5 x 368.2 x 491.5 mm 11.3 kg n System : SC-HT530(EB) Music Center : SA-HT530(EB) Satellite Speakers : SB-HT530(EB) Active Subwoofer : SB-WA530(EB) 1 way, 2 speaker system, Bass reflex Power supply Note : Specifications are subject to change without notice. Mass and dimensions are approximate. AC 230-240V, 50Hz CONTENTS Page 1 Safety Precautions 1.1. GENERAL GUIDELINES 2 Caution for AC Mains Lead 3 Handling the Lead-free Solder 3.1. About lead free solder (PbF) 3 3 4 5 5 4 Before Repair and Adjustment 5 Protection Circuitry 6 Connection of the Speaker Cables 7 Disassembly Procedure 7.1. Disassembly flow chart Page 5 5 6 7 7 © 2005 Matsushita Electric Industrial Co. Ltd.. All rights reserved. Unauthorized copying and distribution is a violation of law. Free Datasheet http://www.Datasheet4U.com SB-WA530EB 7.2. Disassembly of the Speaker Unit and Checking of the P.C.B. 8 Voltage Measurement and Waveform Chart 8.1. Voltage Measurement 8.2. Waveform 9 Block Diagram 10 Notes of Schematic Diagram 11 Schematic Diagram 11.1. Power Circuit 11.2. Transformer Circuit and AC Inlet Circuit 8 14 14 14 15 16 17 17 19 12 Pr...