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Panasonic SB-WA340

Panasonic SB-WA340
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ORDER NO. MD0310441C2
Active Subwoofer System
SB-WA340EBS1
Colour
(S1)...Silver Type
1
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Panasonic SB-WA340 Specifications

General IconGeneral
BrandPanasonic
ModelSB-WA340
CategorySubwoofer
LanguageEnglish

Summary

Service Manual

Product Specifications

General Specifications

Key technical parameters of the active subwoofer system, including electrical and physical characteristics.

System Configurations

Details compatible system configurations, such as SC-HT1000EBS and SC-HT1000EGS.

Safety Precautions

General Safety Guidelines

Outlines fundamental safety rules, protective measures, and general guidelines for safe servicing.

Leakage Current Checks

Details procedures for performing cold and hot checks to measure electrical leakage current for safety.

Service and Repair Procedures

Lead-free Solder Handling

Provides instructions for safely handling and soldering with lead-free solder, including temperature requirements.

Pre-Repair Preparations

Lists essential steps to take before commencing repair or adjustment, including power discharge.

Protection Circuitry Overview

Explains the purpose and conditions under which the protection circuitry may activate to prevent damage.

Speaker Connection and Disassembly

Speaker Cable Connection

Guides on correctly connecting speaker cables to the unit, ensuring proper polarity and impedance.

Disassembly Procedures

Provides a step-by-step guide for disassembling the subwoofer unit for servicing or component access.

Speaker Unit Disassembly

Main Component Replacement

Power IC Replacement

Step-by-step instructions for desoldering and replacing the Power IC component on the Power PCB.

Wiring and Block Diagrams

Speaker Wiring Connection

Illustrates the correct wiring connections for the speaker cables, showing polarity for red and black wires.

System Block Diagram

Presents a high-level block diagram illustrating the main functional units and their interconnections.

Technical Diagrams and Illustrations

Schematic Diagrams

Contains detailed schematic diagrams of the unit's electronic circuits for in-depth analysis.

Printed Circuit Board Layouts

Provides layout diagrams of the main printed circuit boards, showing component positions and connections.

Component Illustrations

Offers visual representations and pinouts for integrated circuits, transistors, and diodes used in the unit.

Parts Lists and Locations

Cabinet Parts Location

Shows the physical location and reference numbers for all cabinet-related parts.

Cabinet Parts List

A comprehensive list detailing all cabinet parts, including part numbers and descriptions.

Electrical Parts List

Packing and Accessories

Packing Materials List

Lists the specific materials used for packaging the product, such as foam and protective wraps.

Packaging Overview

Illustrates how the product is packaged for shipping and handling, showing the placement of packing materials.

Schematic Diagrams - Part 1

Power Circuit Schematic

Detailed schematic diagram of the power circuit, showing component interconnections and signal paths.

Schematic Diagrams - Part 2

Power Circuit Schematic

Continues the detailed schematic for the power circuit, illustrating further component interconnections and signal paths.

Schematic Diagrams - Part 3

Transformer and AC Inlet Circuits

Provides schematics for the transformer circuit and the AC inlet circuit, detailing their functionality.

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