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P/N : MFL62593602
REV.13
Service Manual
Model : R480, RB480, R460, RB460 Series
2011. 04. 26
Copy Rightⓒ2011 LG Electronic inc, DigitalMate Co,.Ltd.
(LGE Internal use only)
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Summarization of Contents

Service Information and Safety Precautions
Important Service Information
Guidelines for replacing parts, including FRUs and hard-disk drives.
Safety Notices and Warnings
Critical warnings regarding handling components, batteries, and electrical hazards.
General and Electrical Safety
Rules for safe operation, lifting, electrical safety, and personal protective measures.
Safety Inspection and ESD Handling
Checklist for safety, ESD precautions, and grounding requirements.
Laser Compliance and Battery Safety
Statements on laser product compliance and safety for RTC batteries.
Read This First - Key Service Notes
Key notes for service personnel, including training and FRU replacement guidelines.
Laptop Component Locations
External Port Identification
Identification of ports and slots on the left, right, and front of the laptop.
Front Back View and Other Indicators
Identification of ports, buttons, and indicators on the front and back.
System Specifications and Features
System Specifications
Details on processors, memory, storage, LCD, Bluetooth, and web camera.
I/O, Multimedia, and Connectivity Specs
Specifications for external I/O, video, sound, LAN, and modem interfaces.
System Block Diagram and Fn Keys
Internal component connections and function key combinations.
Status Indicators and BIOS Procedures
Explanation of status lamps and guides for BIOS flash and setup.
Security Platform Backup and Restore
Procedures for backing up and restoring security platform data.
Troubleshooting: Symptoms and Solutions
Power System Checkout
Steps to diagnose and resolve power system issues.
Numeric Error Codes
List of error codes and corresponding FRU or action recommendations.
System Error Messages
Guidance on resolving common system error messages.
LCD Display Symptoms
Troubleshooting steps for issues related to the LCD screen.
Indeterminate Problems Diagnosis
Procedures for isolating issues when standard diagnostics fail.
Field Replaceable Unit (FRU) Procedures
Battery Pack Replacement
Step-by-step guide for removing and replacing the battery pack.
Memory and Wi-Fi Module Replacement
Instructions for replacing the memory and Wi-Fi modules.
Hard Disk Drive (HDD) Replacement
Procedure for removing and replacing the hard disk drive.
WLAN, Modem, and ODD Replacement
Instructions for replacing WLAN, modem, and optical disk drives.
Keyboard, Retainer, and Button Board
Steps for replacing keyboard, retainer, and button sub-board.
Display Assembly and Front Case
Instructions for replacing the display module and front case.
Keydeck, Bluetooth, and USB Sub Board
Steps for replacing keydeck, Bluetooth module, and USB sub-board.
Mainboard and CPU/GPU Fan Replacement
Procedures for replacing the mainboard and CPU/GPU fan assembly.
CPU, AC Connector, and Speaker Replacement
Instructions for replacing CPU, AC connector, and speakers.
LCD Components Replacement
Steps for replacing LCD front case, assembly, panel bracket, and cable.
Part Lists and Identification
Mainboard, MiniCard, ODD, and Cover Parts
Part numbers for mainboards, mini cards, optical drives, and covers.
HDD, Keyboard, and Memory Parts
Part numbers for hard drives, keyboards, and memory modules.
Battery, Webcam, and Dummy Socket Parts
Part numbers for batteries, webcams, and dummy sockets.
LCD and Power Code Parts
Part numbers for LCD components, power cords, and adapters.
CPU, Robson, and Label Parts
Part numbers for CPUs, Robson components, and system labels.

Table of Contents