LG LM-U5050A User Manual

3CD CHANGER
HI-FI SYSTEM
SERVICE MANUAL
MODEL: LM-U2350A, LMS-U2350
LM-U4050A, LMS-U4050, LMS-U4050W
LM-U5050A, LMS-U5050, LMS-U5050W, LMS-U5050S
SERVICE MANUAL MODEL: LM-U2350A, LMS-U2350, LM-U4050A, LMS-U4050, LMS-U4050W, LM-U5050A, LMS-U5050, LMS-U5050W, LMS-U5050S
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL.

LG LM-U5050A Specifications

General

Brand	LG
Model	LM-U5050A
Category	Stereo System
Language	English

Summary

Section 1. General

Servicing Precautions

Detailed safety and handling guidelines for servicing, including pick-up and ESD precautions.

Specifications

Comprehensive technical specifications for the Hi-Fi system models.

Section 2. Electrical

Electrical Troubleshooting Guide

Diagnostic flowcharts for identifying and resolving electrical malfunctions across various system functions.

Block Diagrams

Illustrations of internal IC and system block diagrams for understanding circuit functions.

Schematic Diagrams

Detailed electrical schematics for various system sections like Front, Main, Deck, and Power.

Printed Circuit Diagrams

Layout diagrams of the main, amplifier, front, power, and other circuit boards.

Section 3. Exploded Views

Cabinet and Main Frame Section

Exploded view of the unit's external cabinet and internal main frame components.

Mechanisms Exploded Views

Exploded views detailing the parts of the Tape Deck and CD mechanisms.

Section 4. Speaker Section

Speaker Models Exploded Views

Exploded views of speaker components for specific Hi-Fi system models.