Page 3
Preface Notebook Computer W945TUQ Service Manual...
Page 4
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.
Page 5
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 W945TUQ series notebook PC.
Page 6
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.
Page 7
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...
Page 8
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.
Page 9
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.
Page 10
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 º...
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W945TUQ series notebook computer. Informa- tion 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 2. *PC Camera LED *When the PC camera is in use, the LED will be illuminated in red. 3. Built-In Microphone 4. LCD 5.
Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Indicator 2. Multi-in-1 Card Reader FRONT VIEW Figure 3 Right Side View 1. Microphone-In RIGHT SIDE VIEW Jack 2. Headphone-Out Jack 3. USB 2.0 Port 4.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. DC-In Jack 2. RJ-45 LAN Jack 3. External Monitor LEFT SIDE VIEW Port 4. Vent 5. HDMI-Out Port 6. USB 2.0 Port 7. USB 3.0 Port Figure 5 REAR VIEW Rear View...
Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. HDMI-Out Port 2. USB Port 2.0 3. USB Port 3.0 4. Keyboard Cable Connector 5. Audio Board Cable Connector 1 - 10 Mainboard Overview - Top (Connectors)
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W945TUQ 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 1. Turn off the computer, turn it over. 2. Remove the SD card cover and screws from the bottom case (Figure 1a a. Remove the cover and 3. Carefully separate the bottom cover from the top case in the direction of the arrow at point (Figure screws from the bottom...
Page 30
Disassembly 5. Remove screws from the battery (Figure 2d Figure 2 6. Lift the battery off the computer in the direction of the arrow (Figure 2e Battery Removal & 7. Reverse the process to insert a new battery (do not forget to replace all the screws). Assembly (cont’d.) 8.
Disassembly Removing the Optical (CD/DVD) Device Figure 3 Optical Device 1. Turn off the computer, turn it over to remove the battery (page 2 - Removal 2. Carefully pull out the optical device out of the bay at point (Figure 3a).
Page 32
Disassembly 5. Reverse the process to attach the front bezel with the new optical device at point (Figure 4e). Figure 4 6. Insert the new optical device and carefully slide it into the computer (the device only fits one way. DO NOT Optical Device FORCE IT;...
Disassembly Removing the Hard Disk Drive Figure 5 The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 7.0mm HDD Assembly (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in Removal Chapter 4 of the User’s Manual) when setting up a new hard disk.
Page 34
Disassembly 3. Slightly lift and pull the hard disk assembly in the direction of arrow (Figure 6b Figure 6 4. Lift the hard disk assembly out of the bay (Figure 6c HDD Assembly 5. Remove the screws and the adhesive cover from the hard disk (Figure 6d Removal (cont’d.)
Disassembly Removing the System Memory (RAM) Figure 7 RAM Module The computer has two memory sockets for 204 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal single or dual channel DDR3L depending on the CPU. The main memory can be expanded up to 8GB. The SO-DIMM modules supported are 1024MB and 2048MB DDR3L Modules.
Page 36
Disassembly 4. Pull the latches to release the second module if necessary. 5. Insert a new module holding it at about a 30° angle and fit the connectors firmly into the memory slot. 6. 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 Keyboard Figure 8 Keyboard Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. Press at point to release the keyboard (Figure 8a). a. Release the keyboard by 3. Turn the computer over, remove the keyboard (Figure 8b).
Disassembly Removing the Wireless LAN Module Figure 9 Wireless LAN 1. Turn off the computer, turn it over to remove the battery (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 9a).
Disassembly Wireless LAN, and Combo Module Cables Note that the cables for connecting to the antennae on WLAN, and WLAN & Bluetooth Combo modules are not labelled. The cables/covers (each cable will have either a black or transparent cable cover) are color coded for identification as outlined in the table below.
Disassembly Removing the CCD Figure 10 1. Turn off the computer, turn it over to remove the battery (page 2 - CCD Removal 2. Run your fingers around the inner frame of the LCD panel at the points as indicated by the arrows 3.
Appendix A:Part Lists This appendix breaks down the W945TUQ 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 Top (1-DIMM) Top (2-DIMM) page A - 4 page A - 5 Bottom page A - 6 page A - 7...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W945TUQ 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 Panel, CRT PANEL CONN PANEL POWER [ P I N D E F I N E F O L L O W PLVDD J_LCD1 3.3VS LVDS-UCLKN LVDS-UCLKP LVDS-U1N LVDS-U2N LVDS-U1P LVDS-U2P C182 3.3VS PLVDD LVDS-U0N 1u_6.3V_X5R_04 LVDS-U0P R148 R149 VOUT 3.3VS...
Schematic Diagrams LAN, Card Reader RTL8402 command LAN (RTL8402) Close to RTL8402 for SDXC EMI BIOS pulls high or low to GPO pin, SD_CMD_R SD_CMD R190 *10mil_short Pkease refer to LAN/PHY Disable Crystal 503 2 SI Z E Application Note. SD_D0_R SD_D0 R191...
Schematic Diagrams Audio Codec AUDIO CODEC ALC269 VB7 VT1802S EMI Require 1.5V OR 1.8V OR 3.3V BY For 1.5V HDA Link. Layout note: PLATFORM PVDD1_2 R234 0_04 1.5VS D E S I G N , *HCB1005KF-121T20 R235 GND and AUDG space is For 1.8V HDA Link.