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Preface Notebook Computer W25CEV / W25CEW 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 W25CEV / W25CEW 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/DVD 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.
Preface Contents Introduction ..........1-1 Part List Illustration Location ............A-2 Top ....................A-3 Overview ..................1-1 Bottom ................... A-4 Specifications ..................1-2 HDD ....................A-5 External Locator - Top View with LCD Panel Open ......1-4 DVD ....................A-6 External Locator - Front & Right Side Views .........1-5 LCD ....................
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Preface LAN Transformer ................. B-25 Card Reader RTS5229 ..............B-26 USB Port, E-SATA ..............B-27 3G, HDD, ODD ................B-28 WLAN, CCD, TPM ..............B-29 KBC-ITE IT8518 ................. B-30 AUDIO CODEC VT1802P ............B-31 New Card, MDC ................B-32 Fan, TP, Connector ............... B-33 Docking Connector, COM Port ............
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W25CEV / W25CEW series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about dri-vers (e.g.
2MB L3 Cache, 32nm, DDR3-1333MHz, TDP 35W ogy for up to 1.7GB) W25CEV: Microsoft DirectX®11 Compatible Intel® Core™ i7 Processor Video Adapter (W25CEV) i7-3520M (2.90GHz) 4MB L3 Cache, 22nm, DDR3-1600MHz, TDP 35W Intel® HD Graphics 4000 Intel® Core™ i5 Processor Dynamic Frequency (Intel Dynamic Video Memory Technol- ogy for up to 1.7GB)
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(Factory Option) 2M HD PC Camera Module Fingerprint Reader (Factory Option) 3G Module (UMTS/HSPA or UMTS/ TPM v1.2 HSPA+) Intel vPro (W25CEV only) WLAN/ Bluetooth Half Mini-Card Modules: Keyboard W25CEW: Full-size “WinKey” keyboard (with numeric keypad) (Factory Option) Intel® Centrino® Wireless-N 2230 Wire- Pointing Device less LAN (802.11b/g/n) + Bluetooth 4.0...
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. PC Camera (Optional) 2. LCD 3. Power Button 4. LED Indicators 5. Keyboard 6. Built-In Microphone 7. Touchpad & Buttons 8. Fingerprint Reader 1 - 4 External Locator - Top View with LCD Panel Open...
Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Indicator 2. WLAN Switch FRONT VIEW Figure 3 Right Side View 1. Microphone-In RIGHT SIDE VIEW Jack 2. Headphone-Out Jack 3. USB 2.0 Port 4. Optical Device Drive Bay 5.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. DC-In Jack 2. External Monitor Port LEFT SIDE VIEW 3. RJ-45 LAN Jack 4. e-SATA Port Port 5. Vent 6. Powered USB 3.0 Port 7. 2 * USB 3.0 Ports 8.
Introduction External Locator - Bottom View Figure 6 Bottom View 1. Battery 2. Docking Port 3. Vent 4. Component Bay Cover 5. Hard Disk Bay Cover 6. Speakers Overheating To prevent your com- puter from overhea- ting, make sure no- thing blocks any vent while the computer is in use.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W25CEV / W25CEW 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 Keyboard: 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 and Installing the Hard Disk Drive Figure 2 HDD Assembly Hdd Removal Procedure Removal The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 9.5mm a. Remove the screws. (h).
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Disassembly 5. Raise the plastic tab Figure 3 6. Slide the hard disk assembly in the direction of arrow (Figure 3d HDD Assembly 7. Remove the HDD assembly from the bay. Removal (cont’d.) 8. Remove the screws & and the adhesive cover from the hard disk (Figure 3f 9.
Disassembly Removing the System Memory (RAM) Figure 4 RAM Module The computer has two memory sockets for 204 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDRIII (DDR3) Up to 1333 MHz. The main memory can be expanded up to 8GB. The SO-DIMM modules supported are 1024MB and 2048MB DDRIII Modules.
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Disassembly 4. The RAM modules will be visible at point on the mainboard. Figure 5 5. Gently pull the two release latches ( & ) on the sides of the memory socket in the direction indicated by the RAM Module arrows (Figure 5b).
Disassembly Removing and Installing a Processor Figure 6 Processor Removal Procedure Processor Removal 1. Turn off the computer, turn it over, and remove the battery (page 2 - 5) and the component bay cover (page 2 - 2. The CPU heat sink will be visible at point (Figure 6a).
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Disassembly 7. Turn the release latch towards the unlock symbol to release the CPU (Figure 7d). Figure 7 8. Carefully (it may be hot) lift the CPU up and out of the socket (Figure 7e). Processor Removal 9. Reverse the process to install a new CPU. (cont’d) 10.
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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 3G Module Figure 9 3G Module Removal 1. Turn off the computer, turn it over, and remove the battery (page 2 - 5) and the component bay cover (page 2 - 2. Carefully disconnect the cables & , and then remove the screw (Figure a.
Disassembly Removing the Wireless LAN Module Figure 10 Wireless LAN 1. Turn off the computer, turn it over, and remove the battery (page 2 - 5) and the component bay cover (page 2 - Module Removal 2. Carefully disconnect the cables , and then remove the screw (Figure 10a)
Disassembly Removing the Optical Device Figure 11 ODD Removal 1. Turn off the computer, turn it over, and remove the battery (page 2 - 5) and the component bay cover (page 2 - 2. Remove the screw at point , and use a screwdriver to carefully push out the optical device at point a.
Disassembly Removing the Keyboard Figure 12 Keyboard Removal 1. Turn off the computer, remove the battery (page 2 - 5), and the component bay cover (page 2 - 2. Remove screws from the bottom of the computer and carefully push out at point a.
Disassembly Removing and Installing the Mainboard Figure 13 Mainboard Module Mainboard Removal Procedure Removal 1. Turn off the computer, remove the battery (page 2 - 5), HDD (page 2 - 6), RAM (page 2 - 8), CPU (page 2 - 10), (page 2 - 15), and keyboard...
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Disassembly Mainboard Installation Procedure Figure 14 Mainboard Module 1. Insert the mainboard by holding it at an angle and making sure that the ports are aligned with the bottom case Installation (Figure 14a). 2. Tighten the screws (Figure 14b) on the mainboard. 3.
Disassembly Removing the Speaker Figure 16 Speaker Module 1. Turn off the computer, remove the battery (page 2 - 5), component bay cover (page 2 - 8), keyboard (page 2 - Removal and mainboard (page 2 - 17). 2. The speaker module will be visible at point on the mainboard (Figure 16a).
Appendix A:Part Lists This appendix breaks down the W25CEV / W25CEW 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 List Illustration Location The following table indicates where to find the appropriate part list illustration. Table A - 1 Part List Illustration Part Location page A - 3 Bottom page A - 4 page A - 5 page A - 6 page A - 7 A - 2...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W25CEV / W25CEW 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 Diagrams Processor 3/7 Ivy/Sandy Bridge Processor 3/7 ( DDR3 ) U21C U21D Data Signal Group C lock Signal Group Data Signal Group Clock Signal Gr oup Zdiff = 50 Ohm ¡Ó10% (M S 5/SL 5.5 Zdiff = 85 Ohm ¡Ó10% (5 / 5.5 Zdiff = 50 Ohm ¡Ó10% (M S 5/SL 5.5 Zdiff = 85 Ohm ¡Ó10% (5 / 5.5 M_A_DQ[63:0]...
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Schematic Diagrams PCH 8/9 PantherPoint - M (POWER) Voltage Rail Voltage S0 Iccmax Current (A) 1.05VS_VCCA_CLK V_PROC_IO 1.05 2(mA) *HCB1005KF-121T20 1.05VS V5REF 1 (mA) POWER U22J VCCDSW: VDD3 V5REF_Sus 1 (mA) (All VCCIO=3.799A) 3.3 V supply for Deep Sx wells. If platform does not AD49 C244 Vcc3_3...
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...
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.