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Preface Notebook Computer W253CZQ / W255CZ 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 W253CZQ / W255CZ 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/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 Bottom (W255CZ) ................. A-6 SATA BLU RAY COMBO (W253CZQ) ........A-7 Overview ..................1-1 SATA BLU RAY COMBO (W255CZ) ........A-8 Specifications ..................1-2 DVD DUAL (W253CZQ) ............. A-9 External Locator - Top View with LCD Panel Open ......1-4 DVD DUAL (W255CZ) ..............
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Preface 3G, TPM ..................B-24 Card Reader, LAN RTL8402 ............B-25 Transformer, SATA HDD, ODD ..........B-26 USB 3.0 TI TUSB7320 ..............B-27 USB 3.0/USB 2.0/USB Charger ..........B-28 KBC-ITE IT8518 ................. B-29 LED ....................B-30 Audio Codec VT1802P/ALC269 ..........B-31 Fan, TP, Multi-Conn ..............
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W253CZQ / W255CZ 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.
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. PC Camera (Optional) 2. LCD 3. Power Button 4. LED Status Indicators 5. Keyboard 6. Built-In Microphone *Note that the microphone location is dependent upon your model design 7.
Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Power Indicator 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. HDMI-Out Port 5. USB 3.0 Ports 6. Vent 7. Multi-in-1 Card Reader Figure 5 REAR VIEW...
Introduction External Locator - Bottom View Figure 6 Bottom View 1. Battery 2. Component Bay Cover 3. Vent 4. Hard Disk Bay Cover 5. 3.75G USIM Card Cover (Optional) 6. Speakers Overheating To prevent your com- puter from overhea- ting, make sure no- thing blocks any vent while the computer is...
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W253CZQ / W255CZ 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: 1. Remove the battery page 2 - 5 To remove the HDD: 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 - 5) and hard disk (page 2 - Removal 2. Remove the screw at point (Figure 4a 3. Use a screwdriver to carefully push out the optical device at point (Figure 4b a.
Disassembly Removing the System Memory (RAM) Figure 5 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 1066/1333 MHz. The main memory can be expanded up to 8GB. The SO-DIMM modules sup- ported are 1024MB and 2048MB DDRIII Modules.
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Disassembly 6. Gently pull the two release latches ( & ) on the sides of the memory socket in the direction indicated by the Figure 6 arrows (Figure 6c). The RAM module will pop-up Figure 6d , and you can then remove it RAM Module 7.
Disassembly Removing the 3.75G Module Figure 7 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 cable , then remove the screw from the module socket.
Disassembly Removing the Wireless LAN Module Figure 8 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. The Wireless LAN module will be visible at point on the mainboard (Figure 8a).
Disassembly Removing the Keyboard Figure 9 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.
Appendix A:Part Lists This appendix breaks down the W253CZQ / W255CZ 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 W253CZQ W255CZ Location page A - 3 page A - 4 Bottom page A - 5...
LCD (W255CZ) Figure A - 9 LCD (W255CZ) 頭厚 非耐落 A - 12 LCD (W255CZ)
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Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W253CZQ / W255CZ notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Table B - 1 Diagram - Page Diagram - Page Diagram - Page...
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Schematic Diagrams Processor 4/7 POWER Ivy/Sandy Bridge Processor 4/7 VC OR E U34F PROCESSOR UNCORE POWER VTT_C PU 8.5A VCC 1 AN 48 VCC 2 VCCIO1 AN 45 0627 D02 VCC 3 VCCIO2 AN 42 C 344 C 355 C346 C350 C417 VCC 4...
Schematic Diagrams USB 3.0 TI TUSB7320 3.3V_TI 3VA_TI Pin B14 Status Freq. Note (FREQSEL) Need to program *HCB1608KF-121T25 24MHz Pull Hi (R633) Ti's register and C592 C593 C594 C595 C596 C597 C598 C599 C600 C601 C602 PCH Clock out/ set to 24MHz EXT.
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_3.3VS S_VDD3 220_04 S_VDD3 6-52-56001-022 100K_04 20mil 20mil SJ_SW2 20mil 5/13 S_VDD3 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...
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.