Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for LG LHS-25SDW
Summarization of Contents
General Information and Safety Precautions
Servicing and Handling Precautions
Safe practices for transporting, storing, and repairing the pick-up unit.
Compact Disc Player Repair Safety
Precautions for handling static-sensitive components during repairs.
ESD and Graphic Symbol Safety
Guidelines for Electrostatic Discharge (ESD) and understanding safety symbols.
Technical Specifications
Detailed specifications for the DVD/CD receiver.
System Operation, Troubleshooting, and Waveforms
Audio Troubleshooting Guide
Flowchart for diagnosing and resolving audio-related issues.
Front Circuit Troubleshooting
Diagnostic flowcharts for the front circuit (Parts 1 & 2).
System Operation Flow
Step-by-step guide to the system's operational sequence.
Test and Debugging Procedures
Flowcharts for system testing and hardware issue debugging.
Audio µ-COM Circuit Troubleshooting
Troubleshooting guide specific to the audio microcontroller circuit.
System Test Waveforms
Waveforms and analysis for system clocks, signals, and operations.
Diagrams and Schematics
Block Diagram
Overview of system functional blocks and their interconnections.
Schematic Diagrams
Schematics for Power, MICOM, Front, I/O, and Main Mic circuits.
Wiring Diagram
Diagram showing interconnections between major PCBs and components.
Printed Circuit Board Diagrams
Layout diagrams for main, DVD, front, SMPS, and jack PCBs.
DVD Part Schematic Diagrams
Schematics for DVD MPEG/DSP, RF/Servo, and Front Mic circuits.
Exploded Views and Speaker Information
Cabinet and Main Frame Exploded View
Exploded view of the cabinet and main frame components.
Deck Mechanism Exploded View
Exploded view of the deck mechanism and its parts.
Speaker Section Diagrams
Exploded views and parts for LHS-25SDS and LHS-25SDW speakers.
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