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Preface Notebook Computer M375E 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.
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 M375E series notebook PC.
Preface IMPORTANT SAFETY INSTRUCTIONS When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, elec- tric shock and injury to persons, including the following: 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. • Recharge the batteries using the notebook’s system. Incorrect recharging may make the battery explode. • Do not try to repair a battery pack. Refer any battery pack repair or replacement to your service representative or qualified service personnel.
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...
Introduction 1: Introduction Overview This manual covers the information you need to service or upgrade the M375E 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 Feature Specification µ Processor Types Intel® Pentium® M Processor (478-pin) Micro- 0.13) 0.13 Micron Process Technology, µ )FCPGA Package 1MB On-die L2 Cache & 400MHz Front Side Bus - 1.3/ 1.4/ 1.5/ 1.6/ 1.7 GH µ 0.09) 0.09 Micron Process Technology, 2MB On-Die L2 Cache &...
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Introduction Feature Specification Keyboard, Pointing Full Size Winkey Keyboard with Numeric Keypad Built-In TouchPad (Scroll Functionality Included) Device & Buttons PCMCIA One Type II PCMCIA 3.3V/5V Socket Interface & Three USB 2.0/1.1 Ports One New 4-in-1 built-in Card Reader Communication One Mini IEEE1394 Ports One RJ-11 Jack (Modem) One External Monitor (VGA) Port...
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Introduction Feature Specification Optional CD-RW Drive Module Mini PCI Intel PRO/ Wireless 2100 WLAN Module Combo Drive Module Mini PCI Intel PRO / Wireless 2200BG WLAN Module DVD-ROM Drive Module Bluetooth 1.1 + MDC Module DVD-RW Drive Module USB VGA Camera Module DVD-Dual Drive Module Software DVD Player 1 - 4 System Specifications...
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. Optional Built-In PC Camera 2. LCD 3. LED Power & Communication Indicators 4. Speakers 5. Close Cover Switch 6. LED Status Indicators 7. Power Button 8.
Introduction External Locator - Front & Left Side Views Figure 2 Front View 1. LCD Latches 2. Mini-IEEE 1394 Port 3. 3-in-1 Card Reader 4 5 6 4. S/P DIF Out Port 5. Microphone-In Jack 6. Headphone-Out Jack 7. Hot-Key Buttons Figure 3 Left Side View 1.
Introduction External Locator - Right Side & Rear Views Figure 4 Right Side View 1. USB 2.0/1.1 Port 2. Serial Port 3. Optical Device 4. DC-In Jack Figure 5 Rear View 1. Security Lock Slot External Locator - Right Side & Rear Views 1 - 7...
Introduction Mainboard Overview - Bottom (Key Parts) Figure 8 Mainboard Bottom Key Parts 1. CPU Socket (no CPU installed) 2. Memory Slots (no memory installed) 3. ATI Mobility Radeon 9600 Pro 4. Flash BIOS ROM 5. CardBus PCI1620 6. LAN Controller RTL8110S-32 7.
Disassembly 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the M375E 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 Processor: 1. Remove the battery page 2 - 5 1.
Disassembly Removing the Battery 1. Turn the computer off, and turn it over. 2. Locate the battery bay at point (Figure 1a). Figure 1 3. Slide the battery lock in the direction of the arrow (towards the unlock symbol ), and hold it in place (as Battery Removal shown in Figure...
Disassembly Removing the Hard Disk Drive The hard disk drive is mounted in a removable case and can be taken out to accommodate other 2.5" IDE hard disk drives Figure 2 with a height of 9.5mm (h). Follow your operating system’s installation instructions, and install all necessary drivers and HDD Assembly utilities (as outlined in Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 4. Slide the hard disk assembly in the direction of the arrow Figure 3 5. Carefully lift the hard disk assembly up out off the computer. HDD Assembly 6. Remove screws in order to separate the cover from the hard disk (Figure 3c).
Disassembly Removing the Modem Figure 4 Modem Removal 1. Turn off the computer, remove the battery (page 2 - 5) and the HDD bay cover (page 2 - 2. Remove screws Figure 4a carefully separate the modem from the connector and disconnect cables a.
Disassembly Removing the Wireless LAN Figure 5 Wireless LAN 1. Turn off the computer, remove the battery (page 2 - 5) and the HDD bay cover (page 2 - Removal 2. Carefully disconnect cable , then gently pull the two release latches ( ) on the sides of the module socket.
Disassembly Removing the System Memory (RAM) Figure 6 The computer has two memory sockets for 200 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removing/ DDR 266/333MHz. The main memory can be expanded up to 2GB. The SO-DIMM modules supported are 128Mb, Installing a RAM 256Mb, and 512Mb.
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Disassembly 6. Pull the latches to release the second module if necessary. 7. Insert a new module holding it at about a 30° angle and fit the connectors firmly into the memory slot. 8. The module will only fit one way as defined by its pin alignment. Make sure the module is seated as far into the slot as it will go.
Disassembly Removing the Optical (CD/DVD) Device 1. Turn off the computer, and remove the battery (page 2 - Figure 7 2. Remove screw at point (Figure 7a) and carefully lift up the optical device screw cover (Figure 7b). Optical Device 3.
Disassembly Removing the Processor Figure 8 1. Turn off the computer, and remove the battery (page 2 - Processor Removal 2. Remove screws from the CPU cover 3. Carefully lift up the CPU cover off the computer. a. Remove the screws. 4.
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Disassembly 6. Turn the release latch towards the unlock symbol , to release the CPU (Figure 9a). 7. Carefully (it may be hot) lift the CPU up out of the socket (Figure 9b). 8. Reverse the process to install a new CPU. 9.
Disassembly Removing the Keyboard 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 Figure 10 may need to use a small screwdriver to do this). 3.
Part Lists Appendix A:Part Lists This appendix breaks down the M375E 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.
Part Lists Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table 1 - 1 Part List Illustration Part M375E Location page A - 3 page A - 4 Bottom page A - 5 page A - 6 CD-ROM Drive - Samsung page A - 7...
Schematic Diagrams Appendix B:Schematic Diagrams This appendix has circuit diagrams of the M375E notebook’s PCB’s. The following table indicates where to find the ap- propriate schematic diagram. Table 1 Diagram - Page Diagram - Page Diagram - Page Schematic System Block Diagram - Page B - 2 MDC, BT, CCD, Mini PCI - Page B - 15 M10 VGA Connector - Page B - 28 Diagrams...
Schematic Diagrams M10 AGP/PCI/Power VGA_CORE UB4F +3VS UB4A DIODE SUPPLIES POWER VDDC GPIO0 AGP_AD0 L_0805(159) TO VDDC RAIL Part 6 of 7 GPIO0 VDDC RP73 GPIO1 Part 1 of 7 AGP_AD1 WHEN VDDC IS OFF AND +3.3V IS ON C172 GPIO1 VDDC 8P4RX10K...
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