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Preface Notebook Computer M72XR 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.
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Preface About this Manual 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 M72XR 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.
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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...
Preface Contents Introduction ..........1-1 Top without Fingerprint (M720R) ..........A-4 Top with Fingerprint (M725R) ............A-5 Overview ..................1-1 Top without Fingerprint (M725R) ..........A-6 System Specifications ..............1-2 Bottom (M72XR) ................A-7 Model Differences ................1-5 LCD (M720R) ................A-8 External Locator - Top View with LCD Panel Open ......1-6 LCD (M725R) ................
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Preface ENE MR510, 7 IN 1 ..............B-23 PCI-E LAN RTL8111B ............... B-24 AUDIO CODEC ALC883 ............B-25 AUDIO AMP2056 ............... B-26 KBC-ITE IT8512E ............... B-27 3VS, 5VS ..................B-28 POWER GPU/1.25VS ..............B-29 POWER 3.3V/5V ................. B-30 POWER 1.5VS/ 1.05VS ............... B-31 POWER 1.8V/0.9V ..............
Introduction Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the M72XR 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 System Specifications Latest Specification Information The specifications listed in this Appendix are correct at the time of going to press. Certain items (particularly processor types/speeds and CD/DVD device types) may be changed, delayed or updated due to the manufacturer's release schedule. Check with your service center for details.
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Introduction Feature Specification BIOS One 8Mb SPI Flash ROM Phoenix™ BIOS Storage One Changeable 12.7mm(h) Optical Device (CD/DVD) Type Drive (see “Optional” on page 1 - 4) Easy Changeable 2.5" 9.5 mm (h) SATA (Serial) HDD Audio High Definition Audio (HDA) A3D™...
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Introduction Feature Specification Power Supports ACPI 3.0 Supports Wake on LAN Management Supports Wake on USB Supports Resume from Modem Ring Power Full Range AC/DC Adapter AC input 100 - 240V, 50 - 60Hz, DC Output 19V, 3.42A or 18.5V, 3.5A (65 Watts) Battery 4 Cell Smart Lithium-Ion Battery Pack, 14.8V/2.4AH 8 Cell Smart Lithium-Ion Battery Pack, 14.8V/4.4AH (Option)
Introduction External Locator - Top View with LCD Panel Open Figure 2 Top View 1. Built-In PC Camera (Optional) 2. LCD 3. Speakers 4. Power Button 5. Hot-Key Buttons 6. LED Status Indicators 7. Keyboard 8. Touchpad & Buttons 9. LED Power & Communication Indicators 10.
Introduction External Locator - Front & Rear Views Figure 3 Front View 1. LCD Latches 2. LED Power & Communication Indicators 3. 7-in-1 Card Reader 4. S/PDIF-Out Jack Front 5. Microphone-In Jack 6. Headphone-Out Jack Figure 4 Rear View 1. Battery Rear External Locator - Front &...
Introduction External Locator - Left & Right Side Views Figure 5 Left Side View 1. DC-In Jack 2. RJ-45 LAN Jack 3. External Monitor Port 4. Mini-IEEE 1394 Left Port 5. Vent 6. 3 * USB 2.0 Ports 7. ExpressCard/ 54(34) Slot Figure 6 Right Side View...
Introduction External Locator - Bottom View Figure 7 Bottom View 1. Battery 2. Hard Disk Bay Cover (3.5G Module/Intel Turbo Memory Module Location) 3. RAM & CPU 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.
Introduction Mainboard Overview - Bottom (Connectors) Figure 11 Mainboard Bottom Connectors 1. DC-In Jack 2. RJ-45 LAN Jack 3. External Monitor Port 4. Inverter Cable Connector 5. USB Port 6. S/PDIF-Out Jack 7. Microphone-In Jack 8. Headphone-Out Jack 9. Optical Device Drive Connector 10.
Disassembly Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the M72XR 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. Procedures such as upgrading/replacing the RAM, CD device and hard disk are included in the User’s Manual but are repeated here for your convenience.
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 Optical Device: 1. Remove the battery page 2 - 5 1.
Disassembly Removing the Battery Figure 1 1. Turn the computer off, and turn it over. Battery Removal 2. Slide the latches ( & ) the direction of the arrow, and hold latch in place. 3. Slide the battery in the direction of the arrow a.
Disassembly Removing the Hard Disk Drive The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 9.5mm Figure 2 (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in HDD Assembly Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 4. Carefully grip the mylar cover tab and slide the hard disk in the direction of arrow. Figure 3 5. Lift the hard disk up Figure d in the direction of arrow. HDD Assembly 6. Remove the screws and separate the mylar cover from the hard disk Sequence Removal...
Disassembly Removing the System Memory (RAM) Figure 4 RAM Module The computer has two memory sockets for 200 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDRII 533/667MHz. The main memory can be expanded up to 4GB. The SO-DIMM modules supported are 256MB, 512MB and 1024MB DDRII Modules.
Disassembly 7. Gently push the two release latches ( & on the sides of the memory socket in the direction indicated by the Figure 5 arrows (Figure Memory Removal 8. The RAM module(s) will pop-up Figure e , and you can then remove it. Sequence d.
Disassembly Removing the Processor Figure 6 Processor Removal 1. Turn off the computer, and remove the battery (page 2 - 6) and the CPU/RAM bay cover (page 2 - 2. The CPU heat sink will be visible at point on the mainboard. a.
Disassembly 5. Turn the release latch towards the unlock symbol , to release the CPU (Figure Figure 7 6. Carefully (it may be hot) lift the CPU up out of the socket (Figure Processor Removal 7. Reverse the process to install a new CPU. Sequence 8.
Disassembly Removing the Wireless LAN Module Figure 8 Wireless LAN 1. Turn off the computer, remove the battery (page 2 - 6) and the CPU/RAM bay cover (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard.
Disassembly Removing the Bluetooth Module Figure 9 Bluetooth Removal 1. Turn off the computer, remove the battery (page 2 - 6), and the CPU/RAM bay cover (page 2 - 2. The modem will be visible at point on the mainboard. a.
Disassembly Removing the Optical (CD/DVD) Device Figure 10 Optical Device 1. Turn off the computer, remove the battery (page 2 - 6), and the CPU/RAM bay cover (page 2 - Removal 2. Remove the screw at point , and use a screwdriver to carefully push out the optical device at point 3.
Disassembly Removing the Keyboard Figure 11 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.
Disassembly Removing the Modem Module Figure 12 Modem Removal 1. Turn off the computer, remove the battery (page 2 - 6) and the CPU/RAM bay cover (page 2 - 8) and the optical device (page 2 - 8) and the keyboard (page 2 - a.
Disassembly 6. Remove screws and disconnect the connectors from the mainboard. Figure 13 7. Separate the bottom case from the mainboard and turn it over. Modem Removal 8. Remove the screws and disconnect the connector from the modem. Sequence 9. Lift the modem up off the socket e.
Part Lists Appendix A:Part Lists This appendix breaks down the M72XR 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.
Table A - 1 Part List Illustration Part Pages# Location page A - 3 Top with Fingerprint - (M720R) page A - 4 Top without Fingerprint - (M720R) page A - 5 Top with Fingerprint - (M725R) page A - 6...
Part Lists Top with Fingerprint (M725R) Figure A - 3 Top with Finger- print (M725R) 黑色 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 鋁箔 鋁箔 無鉛 Top with Fingerprint (M725R) A - 5...
Part Lists Top without Fingerprint (M725R) Figure A - 4 Top without Fin- gerprint (M725R) 黑色 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 無鉛 鋁箔 鋁箔 無鉛 A - 6 Top without Fingerprint (M725R)
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Schematic Diagrams Appendix B:Schematic Diagrams This appendix has circuit diagrams of the M72XR notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page Table B - 1 Schematic SYSTEM BLOCK DIAGRAM - Page B - 2 ICH8-M 3/4 - Page B - 15 3VS, 5VS - Page B - 28...