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LG CM1530 Service Manual

LG CM1530
49 pages
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MICRO HI-FI SYSTEM
SERVICE MANUAL
MODEL:
CM1530
(CM1530, CMS1530F)
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
MODEL: CM1530 (CM1530, CMS1530F)SERVICE MANUAL
3102,MARCH76015232NFA:ON/P
Website http://biz.lgservice.com
Internal Use Only

Other manuals for LG CM1530

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LG CM1530 Specifications

General IconGeneral
KaraokeNo
Speaker type-
RMS rated power10 W
Number of speakers2
TypeHome audio micro system
Product colorBlack, Silver
Disc loading typeFront
Optical disc playerYes
Number of optical discs1 discs
Disc types supportedCD, CD-R, CD-ROM, CD-RW
Playback disc formatsCD audio, CD+G
Audio formats supportedMP3, WMA
Supported radio bandsFM
Preset stations quantity50
Apple docking compatibilityNot supported
USB 2.0 ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) ports quantity0
Volume controlRotary
Equalizer bands quantity5
Power sourceAC
Power consumption (standby)0.5 W

Summary

Section 1 Summary

Servicing Precautions

Essential guidelines for safe handling and repair procedures to prevent damage.

ESD Precautions

Measures to protect sensitive electronic components from electrostatic discharge.

Service Information for EEPROM

Details on how to access and manage EEPROM data for service purposes.

Program Update Guide

Instructions for updating the system's firmware or software via USB.

Specifications

Technical details and performance characteristics of the audio system.

Section 2 Cabinet & Main Chassis

Exploded Views

Diagrams illustrating the assembly and breakdown of the unit's components.

Cabinet and Main Frame Section (CM1530)

Detailed breakdown of the CM1530 model's cabinet and main frame assembly.

Packing Accessory Section

Information regarding the packaging and included accessories for the unit.

Speaker Section (CMS1530F)

Details on the speaker assembly for the CMS1530F model.

Section 3 Electrical

Electrical Troubleshooting Guide

Step-by-step guide to diagnose and resolve common electrical issues in the unit.

Waveforms of Major Check Point

Oscilloscope waveform examples for critical signal points during operation.

Wiring Diagram

Schematic illustrating the electrical connections and wiring routes within the unit.

Block Diagram

High-level overview of the system's functional blocks and their interconnections.

Circuit Diagrams

Detailed schematics of various circuit sections, including power supply and main boards.

Circuit Voltage Chart

Table of expected voltage readings at key IC pins for diagnostic purposes.

Connectors

Pinout and voltage specifications for various external and internal connectors.

Printed Circuit Board Diagrams

Layout diagrams showing component placement on the main printed circuit boards.

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