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Preface Notebook Computer W241EUQ/W244EUQ/W245EUQ/W249EUQ 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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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 W241EUQ/ W244EUQ/W245EUQ/W249EUQ 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.
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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...
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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.
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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. System Startup 1.
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W241EUQ/W244EUQ/W245EUQ/W249EUQ series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about drivers (e.g. VGA & audio) is also found in User’s Manual. That manual is shipped with the computer.
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. Optional Built-In PC Camera 2. LCD 3. Power Button Hot Key Buttons (for some designs only) 5. LED Status Indicators 6. Keyboard 7. Built-In Microphone 8.
Introduction External Locator - Front & Right side Views Figure 2 Front Views 1. LED Power Indicators Figure 3 Right Side Views 1. Microphone-In Jack 2. Headphone-Out Jack 3. USB 2.0 Port 4. Optical Device Drive Bay 5. Security Lock Slot External Locator - Front &...
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. DC-In Jack 2. External Monitor Port 3. RJ-45 LAN Jack 4. HDMI-Out Port 5. 2 * USB 2.0 Ports 6. Vent 7. Multi-in-1 Card Reader Figure 5 Rear View 1.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W241EUQ/W244EUQ/W245EUQ/W249EUQ se- ries 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 3.75G Module: 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 (Figure 1a a. Slide the latch and hold it 3. Slide the latch in the direction of the arrow, and hold it in place (Figure 1a in place.
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 3. Remove the hard disk bay cover (Figure 3b Figure 3 4. Grip the tab and slide the hard disk in the direction of arrow (Figure 3c HDD Assembly 5. Lift the hard disk assembly out of the bay (Figure 3d Removal (cont’d.) 6.
Disassembly Removing the Optical (CD/DVD) Device Figure 4 Optical Device 1. Turn off the computer, remove the battery (page 2 - Removal 2. Locate the component bay cover and remove screws (Figure 4a 3. Carefully (a fan and cable are attached to the under side of the cover) lift up the bay cover. a.
Disassembly Removing the System Memory (RAM) Figure 5 RAM Module The computer has one memory socket for 200 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDR3 1333/ 1066MHz. The main memory can be expanded up to 4GB. The SO-DIMM modules supported are 1GB, 2GB and 4GB and DDRIII Modules.
Disassembly Removing and Installing a Processor Figure 6 Processor Removal Processor Removal Procedure 1. Turn off the computer, turn it over, and remove the battery (page 2 - 5) and the component bay cover (page 2 - a. The CPU heat sink will 2.
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Disassembly 5. Turn the release latch towards the unlock symbol to release the CPU (Figure 7d). Figure 7 6. Carefully (it may be hot) lift the CPU up and out of the socket (Figure 7e). Processor Removal 7. Reverse the process to install a new CPU. (cont’d) 8.
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Disassembly Processor Installation Procedure Figure 8 Processor 1. Insert the CPU (Figure 8a), pay careful attention to the pin alignment, it will fit only one way (DO NOT FORCE Installation IT!), and turn the release latch towards the lock symbol (Figure 8b).
Disassembly Removing the Wireless LAN Module Figure 9 Wireless LAN 1. Turn off the computer, remove the battery (page 2 - 5) and the component bay cover (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard.
Disassembly Removing the 3.75G Module Figure 10 3.75G Module 1. Turn off the computer, remove the battery (page 2 - 5) and the component bay cover (page 2 - Removal 2. Carefully disconnect the cable , then remove the screw from the module socket.
Disassembly Removing the Keyboard Figure 11 Keyboard Removal 1. Turn off the computer, and remove the battery (page 2 - 2. Remove screws from the bottom of the computer. Press at points to unsnap the LED cover module a. Remove screws from the bottom of the computer.
Part Lists Appendix A: Part Lists This appendix breaks down the W241EUQ/W244EUQ/W245EUQ/W249EUQ series notebook’s construction into a se- ries 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 A- 1 Part List Illustration Parts W241EUQ W245EUQ W244EUQ W249EUQ Location page A - 3 page A - 4 page A - 6...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W241EUQ/W244EUQ/W245EUQ/W249EUQ notebook’s PCB’s. The fol- lowing table indicates where to find the appropriate schematic diagram. Table B - 1 Diagram - Page Diagram - Page Diagram - Page...
Schematic Diagrams PantherPoint - M 8/9 PantherPoint - M (POWER) CougarPoint power supply range Voltage Rail Voltage S0 Iccmax Current (A) 1.05VS_VCCA_CLK Voltage *HCB1005KF-121T20 V_CPU_IO 1.05 1 (mA) 1.05VS V5REF 1 (mA) 1.00V 1.05V 1.10V POWER U37J 3.3V V5REF_Sus 1 (mA) 1.43V 1.5V 1.58V...
Schematic Diagrams USB 3.0 TI TUSB7320 U SBVCC _1 3. 3V _TI 3VA_TI Pin B14 Status Freq. Note C162 0.1u_16V_Y 5V_04 (FREQSEL) Need to program C495 100u_6.3V_B_B H CB1608KF-121T25 24MHz Pull Hi (R633) Ti's register and C592 C 593 C 594 C595 C596 C597...
Schematic Diagrams Power Switch & LID Board POWER SW & LED & HOT KEY LID SWITCH IC S_3.3VS POWER LED P/N SWITCH 6-52-56001-023 6-52-56001-028 6-52-56000-020 S_VDD3 S_3.3VS S_VDD3 6-52-56001-022 220_04 100K_04 20mil 20mil SJ_SW2 5/13 S_VDD3 20mil MH248-ALFA-ESO *BAV99 RECTIFIER SM_BTN# SWEB_WWW# SLID_SW#...
Download the BIOS computer model. 1. Go to www.clevo.com.tw and point to E-Services and click E-Channel. Note that BIOS versions 2. Use your user ID and password to access the appropriate download area (BIOS), and download the latest BIOS files...
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BIOS Update Use the flash tools to update the BIOS 1. Make sure you are not loading any memory management programs such as HIMEM by holding the F8 key as you see the message “Starting MS-DOS”. You will then be prompted to give “Y” or “N” responses to the programs being loaded by DOS.