LG LX-M230A User Manual

- 1-1 -
[CONTENTS]
❍ SECTION 1. GENERAL
• SERVICING PRECAUTIONS
.....................................................................................................
1-2
• ESD PRECAUTIONS
.................................................................................................................
1-4
• SPECIFICATION
........................................................................................................................
1-5
❍ SECTION 2. ELECTRICAL SECTION
• ADJUSTMENTS
.........................................................................................................................
2-1
• TROUBLESHOOTING ............................................................................................................... 2-2
• WAVEFORMS OF MAJOR CHECK POINT............................................................................. 2-11
• BLOCK DIAGRAM
....................................................................................................................
2-21
• SCHEMATIC DIAGRAMS
........................................................................................................
2-23
• WIREING DIAGRAM ................................................................................................................ 2-29
• PRINTED CIRCUIT DIAGRAMS .............................................................................................. 2-31
• INTERNAL BLOCK DIAGRAM OF ICs .................................................................................... 2-38
❍ SECTION 3. EXPLODED VIEWS
• CABINET AND MAIN FRAME SECTION
..................................................................................
3-1
• TAPE DECK MECHANISM: AUTO REVERSE DECK
................................................................
3-3
• TAPE DECK MECHANISM: AUTO STOP DECK (OPTIONAL)
.................................................. 3-5
• CD MECHANISM
........................................................................................................................
3-7
❍ SECTION 4. SPEAKER PART
• SPEAKER PART
........................................................................................................................
4-1
❍ SECTION 5. REPLACEMENT PARTS LIST
• REPLACEMENT PARTS LIST
....................................................................................................
5-1

LG LX-M230A Specifications

General

Brand	LG
Model	LX-M230A
Category	Stereo System
Language	English

Summary

General Information and Specifications

Servicing Precautions

Guidance on safe handling and repair procedures for the device.

ESD Precautions

Measures to prevent damage from electrostatic discharge to components.

Technical Specifications

Detailed technical parameters and data for the product.

Electrical Section and Troubleshooting

Adjustments

Procedures for factory alignment and circuit adjustments.

Troubleshooting Guide

Step-by-step guide to diagnose and resolve common operational issues.

Waveforms for Check Points

Reference oscilloscope waveforms for diagnostic verification.

Speaker Component Details

Speaker Part List

List of parts and specifications for the speaker unit.

Exploded Views of Mechanisms

Cabinet and Main Frame Exploded View

Diagram showing the assembly of the main enclosure and frame.

Auto Reverse Tape Deck Exploded View

Diagram detailing the parts of the auto-reverse tape deck mechanism.

Auto Stop Tape Deck Exploded View

Diagram detailing the parts of the optional auto-stop tape deck mechanism.

CD Mechanism Exploded View

Diagram detailing the parts of the CD drive mechanism.