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Preface Notebook Computer M520G Service Manual...
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Preface Notice The company reserves the right to revise this publication or to change its contents without notice. Information contained herein is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent ven- dor.
This manual is intended for service personnel who have completed sufficient training to undertake the maintenance and inspection of personal computers. It is organized to allow you to look up basic information for servicing and/or upgrading components of the M520G series notebook PC.
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Preface IMPORTANT SAFETY INSTRUCTIONS Follow basic safety precautions, including those listed below, to reduce the risk of fire, electric shock and injury to per- sons when using any electrical equipment: 1. Do not use this product near water, for example near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool.
Preface Instructions for Care and Operation The notebook computer is quite rugged, but it can be damaged. To prevent this, follow these suggestions: Don’t drop it, or expose it to shock. If the computer falls, the case and the components could be damaged. Do not expose the computer Do not place it on an unstable Do not place anything heavy...
Preface Avoid interference. Keep the computer away from high capacity transformers, electric motors, and other strong mag- netic fields. These can hinder proper performance and damage your data. Take care when using peripheral devices. Use only approved brands of Unplug the power cord before peripherals.
Preface Battery Precautions • Only use batteries designed for this computer. The wrong battery type may explode, leak or damage the computer. • Do not continue to use a battery that has been dropped, or that appears damaged (e.g. bent or twisted) in any way. Even if the computer continues to work with a damaged battery in place, it may cause circuit damage, which may possibly result in fire.
Preface Related Documents You may also need to consult the following manual for additional information: User’s Manual on CD This describes the notebook PC’s features and the procedures for operating the computer and its ROM-based setup pro- gram. It also describes the installation and operation of the utility programs provided with the notebook PC. VIII...
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the M520G series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about driv- ers (e.g.
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. Optional Built-In PC Camera 2. LCD 3. Built-In Speakers * 4. LED Status Indicators 5. Hot-Key Buttons 6. Power Button 7. Keyboard 8. TouchPad and Buttons 9.
Introduction External Locator - Front & Rear Views Figure 2 Front Views 1. LED Power & Communication Indicators 2. 4-in-1 Card Reader 3. PC Camera Figure 3 Rear Views 1. Parallel Port 2. Serial Port 3. S-Video-Out Port 4. RJ-11 Phone Jack 5.
Introduction External Locator - Left & Right Side View Figure 4 Left Side View 1. DC-In Jack 2. External Monitor Port 3. Mini-IEEE 1394a Port 4. RJ-45 LAN Jack 5. Vent/Fan Intake/ Outlet 6. 2 * USB 2.0 Ports 7. PC Card Slot Figure 5 Right Side View 1.
Introduction External Locator - Bottom View Figure 6 Bottom View 1. Vent/Fan Intake/ Outlet 2. Battery 3. Component Bay Cover 4. Hard Disk Bay Cover Overheating To prevent your com- puter from overheating make sure nothing blocks the vent/fan in- takes while the com- puter is in use.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the M520G series notebook’s parts and subsystems. When it comes to reassembly, reverse the procedures (unless otherwise indicated). We suggest you completely review any procedure before you take the computer apart.
Disassembly NOTE: All disassembly procedures assume that the system is turned OFF, and disconnected from any power supply (the battery is removed too). Maintenance Tools The following tools are recommended when working on the notebook PC: • M3 Philips-head screwdriver •...
Disassembly Maintenance Precautions The following precautions are a reminder. To avoid personal injury or damage to the computer while performing a re- moval and/or replacement job, take the following precautions: Power Safety Warning 1. Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other Before you undertake components could be damaged.
Disassembly Disassembly Steps The following table lists the disassembly steps, and on which page to find the related information. PLEASE PERFORM THE DISASSEMBLY STEPS IN THE ORDER INDICATED. To remove the Battery: To remove the Modem: 1. Remove the battery page 2 - 5 1.
Disassembly Removing the Battery Figure 1 Battery Removal 1. Turn the computer off, and turn it over. 2. Slide the latch in the direction of the arrow (it will remain in place). a. Slide the latch in the di- 3. Slide the latch in the direction of the arrow, and hold it in place.
Disassembly Removing the Hard Disk Drive Figure 2 The hard disk drive is mounted in a removable case and can be taken out to accommodate other 2.5" IDE hard disk drives HDD Assembly with a height of 9.5mm (h). Follow your operating system’s installation instructions, and install all necessary drivers and Removal utilities (as outlined in Chapter 4 of the User’s Manual) when setting up a new hard disk.
Disassembly Removing the Optical (CD/DVD) Device Figure 3 Optical Device 1. Turn off the computer, and turn it over and remove the battery (page 2 - Removal 2. Locate the component bay cover and remove screws 3. Remove the optical device screw a.
Disassembly Removing the Processor Figure 4 Processor Removal 1. Turn off the computer, and turn it over, remove the battery (page 2 - 5) and remove the component bay cover (page 2 - a. Remove the screws in 2. Remove screws (Figure a) from the heat sink in the order indicated on the label.
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Disassembly 4. Turn the release latch towards the unlock symbol , to release the CPU (Figure Figure 5 5. Carefully (it may be hot) lift the CPU up out of the socket (Figure Processor Removal 6. Reverse the process to install a new CPU. (cont’d) 7.
Disassembly Removing the System Memory (RAM) Figure 6 RAM Module The computer has two memory sockets for 200 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDRII 533 MHz. The main memory can be expanded up to 2GB. The SO-DIMM modules supported are 128MB, 256MB, 512MB and 1024MB DDRII Modules.
Disassembly Removing the Wireless LAN Module Figure 7 Wireless LAN 1. Turn off the computer, and turn it over, remove the battery (page 2 - 5) and remove the component bay cover Module Removal (page 2 - 2. Carefully disconnect cable then gently pull the two release latches on the sides of the module socket.
Disassembly Removing the Modem Figure 8 Modem Removal 1. Turn off the computer, and turn it over, remove the battery (page 2 - 5) and remove the hard disk (page 2 - 2. Disconnect cable and carefully separate the modem from the connector a.
Disassembly Removing the Keyboard Figure 9 Keyboard Removal 1. Turn off the computer and remove the battery (page 2 - 2. Press the three keyboard latches at the top of the keyboard to elevate the keyboard from its normal position (you a.
Part Lists Appendix A:Part Lists This appendix breaks down the M520G series notebook’s construction into a series of illustrations. The component part numbers are indicated in the tables opposite the drawings. Note: This section indicates the manufacturer’s part numbers. Your organization may use a different system, so be sure to cross-check any relevant documentation.
A - 5 LCD - (M520G) page A - 6 DVD - (M520G) page A - 7 DVD - RW - (M520G) page A - 8 COMBO - (M520G) page A - 9 HDD - (M520G) A - 2 Part List Illustration Location...
Schematic Diagrams Appendix B:Schematic Diagrams This appendix has circuit diagrams of the M520G notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Table B - 1 Diagram - Page Diagram - Page Diagram - Page Schematic...
Schematic Diagrams BD CON & CAMERA & BT Camera Bluetooth FOR CLICK BOARD C1 57 0. 1U_04 J TP1 JTP1 JB T TP_D ATA [17 ] TP_DATA TP_C LK [17 ] TP_CL K +VCC_BT 85 201-04 05 JBT1 H CB2012 K-500T40 PLW3216S1 61SQ2 +3.3v +5VS...
Schematic Diagrams USB & PHONE JACK BOARD AJAUDIO4 LINE-R_C HCB2012K-500T40 LINE IN BLUE (SURR) LINE-L_C HCB2012K-500T40 2SJ-S8701N13 330P 330P GND_A AJAUDIO3 SurrB-R_C FCM1608K-121T06 SPDIF OUT BLACK (SURRB) SPDIF-O_C FCM1608K-121T06 2SJ-S8701N13 680P 680P GND_A Sheet 28 of 30 AJAUDIO2 LFE_C FCM1608K-121T06 USB &...