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Clevo N240JU User Manual

Clevo N240JU
92 pages
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N240JU / N241JU

Table of Contents

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Clevo N240JU Specifications

General IconGeneral
Display Size14 inches
RAMUp to 16GB
Storage2.5" HDD/SSD
Display Resolution1366 x 768
Operating SystemWindows 8.1
Battery4-cell Lithium Ion

Summary

Preface

About This Manual

Explains the manual's scope, structure, and contents for service personnel.

Crucial Safety Instructions

Lists essential safety precautions to reduce risk of fire, shock, and injury.

Computer Care and Operation

Provides guidelines for preventing damage and ensuring proper computer use and maintenance.

Power Supply Safety

Details specific power requirements and safety measures for the computer's power system.

Battery Handling Guidelines

Lists essential precautions and guidelines for handling, using, and disposing of batteries.

Related Documentation References

Lists other manuals that may be needed for additional information.

Initial System Startup Procedure

Provides step-by-step instructions for initial computer setup and power on sequence.

Chapter 1: Introduction

Introduction to the Service Manual

Covers information for servicing and upgrading notebook components.

System Specifications Overview

Details technical specifications for processor, memory, storage, video, audio, and more.

External Component Locations

Identifies key external components and ports on the notebook's top, front, sides, and bottom.

Mainboard Component Identification

Highlights key components and connectors on the mainboard's top and bottom sides.

Chapter 2: Disassembly

Disassembly Overview and Tools

Introduces step-by-step disassembly procedures and lists recommended maintenance tools.

Connector Types and Disconnection

Describes different types of internal connectors and how to safely disconnect them.

Critical Service Precautions

Reminds users of critical precautions to avoid injury or damage during service procedures.

Standard Disassembly Steps

Lists specific component disassembly procedures and corresponding page numbers for reference.

Component Removal Guides

Provides detailed instructions for removing specific components like battery, HDD, RAM, keyboard, etc.

Appendix A: Part Lists

Part List Illustration Reference

Table indicating where to find illustrations for specific part lists by section.

Top and Bottom Assembly Parts

Part list illustrations for the top and bottom sections of the notebook assembly.

LCD and HDD Assembly Parts

Part list illustrations for the LCD assembly and HDD components.

Appendix B: Schematic Diagrams

System Block Diagram

High-level overview of the notebook's system architecture and component connections.

Processor Circuit Schematics

Detailed schematics for processor power rails and signal routing across multiple sheets.

Memory and Display Interface Schematics

Schematics for memory slots, HDMI, Panel, and display interface connections.

Chipset and Peripheral Interface Schematics

Schematics for various chipsets and interfaces like PS8625, SATA, USB, WLAN, Audio, KBC.

Power Management Schematics

Schematics for power rails, regulators, charger, and system power signals.

Peripheral Board Schematics

Schematics for USB, CRT, LAN, Power/LED, Click, and HDD boards.

Appendix C: BIOS Update Procedures

BIOS Update Preparation Steps

Lists the requirements and steps before performing a BIOS update.

Executing the BIOS Flash Process

Detailed instructions on using flash tools and restarting the computer after updating BIOS.

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