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Preface Notebook Computer W370ET 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 W370ET se- ries 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 2nd HDD ..................A-7 DVD ....................A-8 Overview ..................1-1 COMBO ..................A-9 System Specifications ..............1-2 Schematic Diagrams......... B-1 External Locator - Front View with LCD Panel Open ....1-4 External Locator - Front & Right side Views .........1-5 System Block Diagram ..............B-2 External Locator - Left Side &...
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W370/350ET Click Board ............B-50 W370ET Power Switch Board ............. B-51 W350ET Power Switch Board ............. B-52 W370ET LID / VGA LED Board ..........B-53 W350ET LID / VGA LED Board ..........B-54 W350ET VGA / WLAN SW Board ..........B-55 POWER ON SEQUENCE ............
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W370ET 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.
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Introduction Interface Environmental Spec One USB 2.0 Port Temperature ° ° Three USB 3.0 Ports Operating: 5 C - 35 One eSATA Port (USB 3.0 Port Combined) Non-Operating: -20°C - 60°C One HDMI-Out Port Relative Humidity One Headphone-Out Jack Operating: 20% - 80% One Microphone-In Jack Non-Operating: 10% - 90% One S/PDIF Out Jack...
Introduction External Locator - Front View with LCD Panel Open Figure 1 Top View 1. Optional Built-In PC Camera 2. LCD 3. GPU Button 4. LED Status Indicators 5. Power Button 6. Hot Key Buttons 7. Speakers 8. Keyboard 9. Built-In Microphone 10.
Introduction External Locator - Front & Right side Views Figure 2 Front Views 1. LED Indicators Figure 3 Right Side Views 1. Multi-in-1 Card Reader 2. USB 3.0 Ports 3. Combined eSATA/ USB 3.0 Port 4. HDMI-Out Port 5. RJ-45 LAN Jack External Locator - Front &...
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Security Lock Slot 2. USB 2.0 Port 3. S/PDIF-Out Jack 4. Microphone-In Jack 5. Headphone-Out Jack 6. Optical Device Drive 7. Emergency Eject Hole Figure 5 Rear View 1.
Introduction External Locator - Bottom View Figure 6 Bottom View 1. Component Bay Cover 2. Vent 3. Battery 4. HDD Bay Overheating To prevent your com- puter from overheating make sure nothing blocks the vent/fan in- takes while the com- puter is in use.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W370ET 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 Optical Device: 1.
Disassembly Removing the Battery Figure 1 Battery Removal If you are confident in undertaking upgrade procedures yourself, for safety reasons it is best to remove the battery. a. Slide the latch in the 1. Turn the computer off, and turn it over. direction of the arrow.
Disassembly Removing the Optical (CD/DVD) Device Figure 2 Optical Device 1. Turn off the computer, and turn it over and remove the battery (page 2 - 5) and remove the component bay cover Removal (page 2 - 2. Remove the screw , and use a screwdriver to carefully push out the optical device at point a.
Disassembly Removing the Hard Disk Drive Figure 3 The hard disk drive is mounted in a removable case and can be taken out to accommodate other 2.5" SATA hard disk HDD Assembly drives with a height of 9.5mm (h). Follow your operating system’s installation instructions, and install all necessary driv- Removal ers and utilities (as outlined in Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 5. Lift the hard disk assembly out of the computer (Figure 4c Figure 4 6. Remove screws HDD Assembly 7. Separate the hard disk and hard disk mylar Removal (cont’d.) 8. Reverse the process to install a new hard disk(s). c.
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Disassembly Removing the Hard Disk(s) in the Secondary HDD Bay Figure 5 1. Turn off the computer, and turn it over and remove the battery. Secondary HDD 2. Locate the component bay cover and remove screws and the cover. Assembly Removal 3.
Disassembly Removing and Installing the Processor Figure 6 Processor Removal Processor Removal Procedure 1. Turn off the computer, and turn it over, remove the battery (page 2 - 5), and component bay cover (page 2 - a. Locate the heat sink. 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 Keyboard Figure 9 Keyboard Removal 1. Turn off the computer, and turn it over and remove the battery (page 2 - 5), and component bay cover (page 2 - 2. Use a screwdriver to carefully push out the speakers cover at point a.
Disassembly Removing the Primary System Memory (RAM) Figure 10 Primary RAM The computer has three memory sockets for 204 pin Small Outline Dual In-line (SO-DIMM) DDR III (DDR3) type memory Module Removal modules. The total memory size is automatically detected by the POST routine once you turn on your computer. a.
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Disassembly Memory (under Keyboard) Upgrade Process Figure 11 RAM Module 5. Turn off the computer, turn it over and remove the battery (page 2 - 5), component bay cover (page 2 - 9) and (under keyboard) keyboard (page 2 - 13).
Part Lists Appendix A: Part Lists This appendix breaks down the W370ET 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 Location Parts W370ET page A - 3 Bottom page A - 4 page A - 5 page A - 6...
Schematic Diagrams VGA I/O U 16M BGA_0908_P080_P085_P100_290X290 U16K U16L C OMMON BGA_0908_P080_P085_P100_290X290 BGA_0908_P080_P085_P100_290X290 9/19 IFPEF COMMON COMMON 7/19 IFPC 8/19 IFPD ALL PINS NC FOR GF117 ALL PINS NC FOR GF117 ALL PINS NC FOR GF1 17 DVI-DL DVI-SL/HDM I IFPC_RSET IFPD_RSET DVI/HDMI...
Schematic Diagrams HDMI, RJ45, Audio AMP AMP_5VS AUDIO AMP Class D HCB1608KF-121T25 GIGA LAN (RTL8411) The volume control.the gain ra nge is from -80db(Vvolume=5V) C762 C748 C749 to +20db(Vvolume=0V) with 64 LAN POART 22u_6.3V_X5R_08 0.1u_10V_X7R_04 C382 ste ps precise control. 0.1u_10V_X7R_04 1000p_50V_X7R_04 PCBFootprint ( PDSO-G24 )
Schematic Diagrams Power V-Core 1 PC 126 0.1u_10V_X7R_04 APGN D VCORE_1 PR 157 24.3k_1%_04 PUT COLSE APGN D TO GT PC 25 CSCOMPA DROOPA CSR EFA Inductor PR48 PR44 1.65K_1%_06 PR55 PC39 1000p_50V_X7R_04 1.05VS PC28 10p_50V_NPO_04 PUT COLSE 165K_1%_04 TO CPU 10_1%_04 33p_50V_NPO_04 PR46...
Schematic Diagrams W370/350ET Power LED Board W370ET /W350ET L3.3VS L3.3VS L3.3VS 220_04 220_04 220_04 Green Yellow Green Yellow Green Yellow NUM LOCK CAPS LOCK SCROLL RY -SP170Y G34-5M RY -SP170Y G34-5M LOCK LED RY -SP170Y G34-5M 6-52-52001-027 Sheet 48 of 55...
Schematic Diagrams W350ET LID / VGA LED Board W350ET LID & VGA LED BOARD HDD LED BT&WLAN LED VGA LED V5L_3.3VS V5L_3.3VS V5L_3.3VS V5L_3.3VS V5LR3 V5LR1 V5LR2 220_04 220_04 220_04 V5LR4 V5LR5 Sheet 53 of 55 220_04 220_04 WHITE Yellow/Green V5LD2 V5LD1 HDD/CD-ROM...
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.