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LG OM7550 Service Manual

LG OM7550
89 pages
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SERVICE MANUAL
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Internal Use Only
Website http://biz.lgservice.com
Mini Hi-Fi AUDIO
MODEL: OM7550
MODEL: OM7550
P/NO : AFN77277076 SEPTEMBER, 2015

Table of Contents

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LG OM7550 Specifications

General IconGeneral
BrandLG
ModelOM7550
CategoryStereo System
Power Output1000W
Speaker Type2-Way
BluetoothYes
USB PlaybackYes
FM RadioYes
Playable File FormatsMP3, WMA
USBYes
CD PlayerYes
USB PortYes
AUX InputYes
Remote ControlYes
Audio Input3.5mm AUX

Summary

SECTION 1 SUMMARY

SERVICING PRECAUTIONS

Safety guidelines for handling and servicing the unit, focusing on pick-up components.

ESD PRECAUTIONS

Measures to prevent damage to electrostatic sensitive devices during handling and servicing.

HIDDEN KEY MODE

Procedures for accessing special functions or modes using key combinations.

PROGRAM DOWNLOAD & UPDATE GUIDE

Instructions for downloading and updating firmware for audio, CD, and EQ programs.

SPECIFICATIONS

Technical details and parameters of the audio system, including dimensions, power, and performance.

SECTION 2 CABINET & MAIN CHASSIS

DISASSEMBLY INSTRUCTIONS

Procedures for disassembling the unit's cabinet and chassis components.

EXPLODED VIEWS

Visual breakdown of the unit's internal parts, showing cabinets and main frame assembly.

SECTION 3 ELECTRICAL

TROUBLESHOOTING GUIDES

Detailed guides for diagnosing and resolving various electrical faults, including power, audio, and function issues.

TECHNICAL DIAGRAMS AND WAVEFORMS

Visual references including waveforms, block diagrams, circuit schematics, and PCB layouts for component analysis.

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