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Manuale per l’uso Acer LT31

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Summary
  • Acer LT31 - page 1

    Gateway LT 31 Series Service Guide PRINTED IN T AIW AN Service guide files and updates are availab le on the ACER/CSD web; for more information, please refer to http://csd.acer .com.tw ...

  • Acer LT31 - page 2

    II Revision History Please refer to the table below for the updates ma de to this service guide. Date Chapter Up dates ...

  • Acer LT31 - page 3

    III Copyright Copyright © 2009 by Acer Incorporated. All rights rese rved. No part of this pub lication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any lan guage or computer language, in any form or by any means, electronic, mechanical, magne tic, optical, chemi cal, manual or otherwise, without th ...

  • Acer LT31 - page 4

    IV Conventions The following conventi ons are used in this manual: SCREEN MESSAGES Denotes actual messages that appe ar on screen. NOTE Gives bits and pieces of additional information related to the current topic. W ARNING Alerts you to any damage that might result from doing or not doing specific actions. CAUTION Gives precautionary measures to av ...

  • Acer LT31 - page 5

    V Preface Before using this information and the product it s upports, please read the fo llowing general info rma tion. 1. This Service Guide provides you with all techni cal information relating to the BASIC CON FIGUR A TION decided for Acer's "glo bal" product offering. T o better fit local market require ments and enhance product ...

  • Acer LT31 - page 6

    VI ...

  • Acer LT31 - page 7

    VII T able of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Your Gateway Notebook tour . . . . . . . . . . . . . ...

  • Acer LT31 - page 8

    VIII T able of Contents Removing the VGA Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Removing the LAN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67 Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 ...

  • Acer LT31 - page 9

    IX T able of Contents Internal Microphone Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133 HDD Not Operating C orrectly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 34 USB Failure (Right up /d ow n side ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 ...

  • Acer LT31 - page 10

    X T able of Contents ...

  • Acer LT31 - page 11

    Chapter 1 1 System Specifications Features Below is a brief summary of the computer ’s many features: Operating System • Genuine Windows® XP Home (Service Pack 3) • Genuine Windows Vista™ Platform • AMD Athlon™ 64 Processor L1 10 • Cache size:512KB, Fr equency:1.2G (No P-state) •T D P : 1 3 W • Package 638-pin lidless micro PGA p ...

  • Acer LT31 - page 12

    2 Chapter 1 • LAN: 10/100 Mbps Fast Ethernet • WP AN: Bluetooth® 2.0 or 2.1+EDR • WW AN: GSM/GPRS/EDGE/(WCDMA) (for 3G models) Privacy control • Kensington lock slot Dimensions and Weight • 286 (W) x 203 (D) x 29 ( H) mm • 1.3 kg (2.86 lbs.) with 3-cell battery p a ck • 1.46 kg (3.21 lbs.) with 6-cell battery pack Power subsystem • ...

  • Acer LT31 - page 13

    Chapter 1 3 System Block Diagram DDRII-SODIMM1 CRT SATA - HDD Mini Card (WLAN) SB600 3V/5V AMD S1g1 CLOCK GENERATOR Azalia 465 FCBGA RS690E WPCE775L A_LINK (X4) HT1 800MHz LPC EC +3VPCU +3V_S5 +3V +5VPCU DDR +1.8VSUS +1.8V +SMDDR_VTERM +1.2V_S5 +1.2V_S5 CPU CORE CPU_CORE HOST 200MHz PCIE 100MHz USB 48MHz REF 14.318MHz Keyboard LAN(10/100) SATA0 Aza ...

  • Acer LT31 - page 14

    4 Chapter 1 Your Gateway Notebook tour After learning about your computer features , let us show you around your new comp uter. Front View No. Icon Item Description 1 Acer Crystal Ey e Web ca m Web camera for video communication. 2 Microphone Internal microphone for sound recording. 3 Display screen Also called Liquid-Crystal Display (LCD), display ...

  • Acer LT31 - page 15

    Chapter 1 5 Closed Front View Left View 8 S tatus indicato rs Light-Emitting Diodes (LEDs) that light up to show the status of the computer's functions and components. 9 Power button/ indicato r T urns the computer on and off while indicating the computer ’s power status. No. Icon Item Description 1 Bluetooth communication switch Enables/dis ...

  • Acer LT31 - page 16

    6 Chapter 1 Right View No. Icon Item Description 1 Multi-in-1 card reader Accepts Secure Digital (SD), MultiMed iaCard (MMC), Memory S tick (MS), Memory S tick PRO (MS PRO), xD-Picture Card (xD). Note: Push to remove/install the card. Only one card can operate at any given time. 2 Microphone-in jack Accepts input from external microphones. 3 Headph ...

  • Acer LT31 - page 17

    Chapter 1 7 Rear and Base View No. Icon Item Description 1 Battery bay Houses the computer's battery pack. Note: The battery shown is for reference only . Y our PC may have a different battery , depe nding on the model purchased. 2 Battery release latch Releases the battery for removal. 3 Hard disk bay Houses the computer's hard disk (sec ...

  • Acer LT31 - page 18

    8 Chapter 1 Indicators The computer has several easy-to-read status indica tors. The battery indicato r is visible even when the computer cover is closed. NOTE: 1. Charging: The b at te r y l ig ht shows am ber w hen the battery is charging. 2. F ully charge d: The light shows green when i n AC mode. Icon Function Description Bluetooth Indicates th ...

  • Acer LT31 - page 19

    Chapter 1 9 TouchPad Basics The following items show you how to use the T ouchPad: • Move your finger across the T ouchPad (1) to move the cursor . • Press the left (2) and right (3) buttons located beneath the T ouchPad to perform selection and execution functions. These two buttons are simila r to the left and right buttons on a mouse. T appi ...

  • Acer LT31 - page 20

    10 Chapter 1 Using the Keyboard Y our Packard Bell dot Series has a close-to-full-sized keyboard and an embe dded numeric keypad, separate cursor , lock, fu ncti on and special keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which yo u can to ggle on and off. The embedded numeri c keypad functions like a desktop nume ri ...

  • Acer LT31 - page 21

    Chapter 1 11 Windows Keys The keyboard has two keys that perform Wi ndow s-specific functions. Key Description Windows key Pressed alone, this key ha s the same effect as clicking on the Windows St art button; it launches the S tart menu. It can also be used with other keys to provide a variety of functions: <> : Open or close th e S tart men ...

  • Acer LT31 - page 22

    12 Chapter 1 Hot Keys The computer employs hotkeys or key combinations to access most of the computer 's controls like screen brightness and volu me output. T o activate hotkeys, press and hold the <Fn> key before pressing the other key in the hotkey combination. Hotkey Icon Functi on Description <Fn> + <F1> Power Options Dis ...

  • Acer LT31 - page 23

    Chapter 1 13 Special Keys Y ou can locate the Euro symbol and the US dollar si gn at the upper-cen ter and/or botto m-right of your keyboard. The Euro symbol 1. Open a text editor or word processor. 2. Hold <Alt Gr> and the n press the <5> key at the upper-center o f the keyboard . NOTE: Some fonts and software do not support the Euro s ...

  • Acer LT31 - page 24

    14 Chapter 1 Hardware Specifications and Configurations Processor Processor Specifications CPU Fan T rue V a lue T able North Bridge Specifications South Bridge S pecifications Item Specification CPU type AMD Athlon™ 64 Processor L1 10 CPU package 638-pin lidless micro PGA package. Core Logic • North Bridge-RS690E • South Bridge SB600 Chipset ...

  • Acer LT31 - page 25

    Chapter 1 15 System Memory Hard Disk Drive Interface Features • Support PCI bus at 33MHz • Supports four SA T A ports, complying with the SA T A 1.0a specifi cation • 5 OHCI and 1 EHCI Host controllers to support 10 USB ports, • audio • 4 Independent output stream(DMA). • 4 Independent input stream(D MA). • Up to 16 channels of audio ...

  • Acer LT31 - page 26

    16 Chapter 1 BIOS LED 1 1.6” Media data transfer rate (Mbytes/sec max) 830 729 775 830 830 DC Power Requirements V oltage tolerance 5V ±5% 5V ±5% 5V ±5% 5V ±5% 5V ±5% Item Specification V endor & Model Name WD WD1600BEVT WD WD2500BEVT T oshiba MK1655GSX T oshiba MK2555GSX Capacity (GB) 160 250 160 250 Bytes per sector 512 512 512 512 Dat ...

  • Acer LT31 - page 27

    Chapter 1 17 Bluetooth Audio Codec and Ampli f ie r LAN Interface Keyboard T ypica l Power Consu mption (watt) 4.0 4 4 2.85 Weight (without inverter) 255g 225 g 255g 255g Physical Size (mm) 268 (L) x 161.5 (W) 268 x 161.5 x 5 268.0 x 161.5 268.0 x 161.5 Electrical Interface L VDS L VDS L VDS L VDS Viewing Angle (degree) Horizontal (Right) / (Left) ...

  • Acer LT31 - page 28

    18 Chapter 1 Mini Card Camera Wireless LAN Internal & external keyboard work simultaneously Ye s Features • Supports Application keys for Windows XP version Item Specification Number Supported 2 Features • 1 for 3G (full size) • 1 for WLAN (half size) Item Specificati ons V endor an d mo del Chicony CNF901 1 Liteon 09P2SF001 SuyinCN0316-S ...

  • Acer LT31 - page 29

    Chapter 1 19 3G Module Battery Modulation Schemes DQPSK, DBPSK and CCK Channel Number • 1---1 1 channe ls for active channels • 12---13 channels for passive channels Data Rate 1 1Mbps with fall back rates of 5.5, 2, and 1Mbps Media Access Protocol CSMA/CA with ACK T ransmitter Output Power 18dBm typically Item Sp ecification 3 Cell 6 Cell V end ...

  • Acer LT31 - page 30

    20 Chapter 1 ...

  • Acer LT31 - page 31

    Chapter 2 21 System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration prog ram built into y our computer ’s BIOS (Basic Input/ Output System). Y our computer is already properly configu red and optimi zed, and you do not need to run this utility . However , if you encounter configuration problems, you may need to run ...

  • Acer LT31 - page 32

    22 Chapter 2 Information The Information screen displays a summary of your computer ha rdware information. NOTE: The system information is su bject to diff erent models. Parameter Description CPU T ype This field shows the CP U type and spee d of the system. CPU S peed This field shows the speed of the CPU. IDE0 Model Name This field shows the mode ...

  • Acer LT31 - page 33

    Chapter 2 23 Main The Main screen allows th e user to set the system time and date as well as enable and disable bo ot option and recovery . NOTE: The screen above is for your reference only . Actual values may differ . The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Pa ...

  • Acer LT31 - page 34

    24 Chapter 2 Security The Security screen co ntains parameters that help sa feguard and protect your co mputer from unautho ri zed use. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: When you are prompted to enter a password, you ha ve three tries befo re the sys ...

  • Acer LT31 - page 35

    Chapter 2 25 Setting a Password Follow these steps as you set the user or the supervisor password: 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Supervisor Password box appears: 2. T ype a password in the “Enter New Passw ord” field. The password length can not exceeds 8 alphan ...

  • Acer LT31 - page 36

    26 Chapter 2 Changing a Password 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Password box appears. 2. T ype the current p a ssw or d in the Enter Cur ren t Password fiel d an d pr ess Enter . 3. T ype a password in the Enter New Password field. Retype the password in the Confirm ...

  • Acer LT31 - page 37

    Chapter 2 27 Boot This menu allows the user to deci de the order of boot devices to l oad the operating syste m. Bootable devices includes the USB diskette drives, the onboard hard disk dr ive and the DVD drive in the module bay . PhoenixBIOS Setup Utility Item Specific Help Keys used to view or configure devices: Up and Down arrows select a device ...

  • Acer LT31 - page 38

    28 Chapter 2 Exit The Exit screen allows you to save or discard any changes you made an d qui t th e BIOS Utility . The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setu p and save your changes to CMOS. Exit Discarding Changes Exit utility without saving setup data to CMOS. Load Setup De ...

  • Acer LT31 - page 39

    Chapter 2 29 BIOS Flash Utility The BIOS flash memory upd ate is required for th e following con ditions: • New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. Use the Phlash util ity to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you sho ...

  • Acer LT31 - page 40

    30 Chapter 2 DOS Flash Utility Perform the following steps to use the DOS Flash Utility: 1. Copy the flash utilities to the bootable diskette. 2. Press F2 during boot to enter the Setup Menu. 3. Select Boot Menu to modify the boot priority order , for example, if usin g USB HDD to Update BIOS, move USB HDD to position 1. IMPORT ANT : Please use a d ...

  • Acer LT31 - page 41

    Chapter 2 31 5. In flash BI OS, the me ssage Please do not remo ve AC Power Source displays. If the AC adapter is not plugged in th e following message ap pears. Plug in the AC adapter and re run the Ph lash utility if the above message appe ars. 6. If the AC adapter is connected, the following screen appears. 7. Flash is complete when the message ...

  • Acer LT31 - page 42

    32 Chapter 2 WinFlash Utility The Winflash utility consists of two files: • ZA8_3101.WPH (BIOS ROM file) • WinPhlash2.0.3.4 (BIOS windows flash tool) Perform the following steps to use the WinFlash Utility: 1. Double click the WinFlash executable (WinPhlash2 .0.3.4) to run the program. 2. In the S pecify New BIOS file field , enter the BIOS ROM ...

  • Acer LT31 - page 43

    Chapter 2 33 Remove HDD/BIOS Password Utilities This section provide s you with details abo ut removing HDD/BIOS password methods: Removing HDD Password: If you key in the wrong HDD password three times, an error cod e is genera ted. T o reset the HDD password, perform the following steps: 1. On a different machine, run the HDD_PW .EXE file along w ...

  • Acer LT31 - page 44

    34 Chapter 2 Removing BIOS Passw or ds: If you key in the wrong Supervisor password three time s, an error code is generat ed and system is disabled. T o unlock the BIOS, perform the following steps: 1. On a different machine, run the BIOS_PW . EXE file along with the error cod e generated. For example: bios_pw 14452 0 2. Four ASCII strings are g e ...

  • Acer LT31 - page 45

    Chapter 3 35 Machine Disassembly and Replacement This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting . Disassembly Requirements T o disassembl e th e computer , you ne ed the following tools: • Wrist grounding strap and conductive mat for preventing electrostatic discharg ...

  • Acer LT31 - page 46

    36 Chapter 3 General Information Pre-disassembly Instructions Before proceeding with the disassembly procedure, make su re that you do the following: 1. T urn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cab les from the system. 3. Place the system on a flat, stable surface. 4. Remove the batter ...

  • Acer LT31 - page 47

    Chapter 3 37 External Module Disassembly Process NOTE: The product previews seen in the disassembly proce dures may not represent the final product color or configuration. External Modules Disassembly Flowchart Screw List Ste p Screw Quantity Part No. HDD Carrier M3*0.5+3.5I 4 86.TDY07.003 WLAN Board M2*3 1 86.S0207.001 HDD Module M2*3 2 8 6.S0207. ...

  • Acer LT31 - page 48

    38 Chapter 3 Removing the Battery Pack 1. T urn the computer over . 2. Slide the battery lock/unlock l atch to the unlock position. 3. Slide and hold the battery relea se latch to the release pos ition (1), the n slide out the battery pack from the main unit (2). 1 2 ...

  • Acer LT31 - page 49

    Chapter 3 39 Removing the Hard Disk Drive Module 1. See “Removing the Battery Pack” on page 38. 2. Loosen the three captive screws in th e HDD Cover . 3. Lift the HDD cover up to remove. ...

  • Acer LT31 - page 50

    40 Chapter 3 4. Remove the single screw securing the HDD Module in place. 5. Slide the HDD in the direction of the arrow to disconn ect the HDD from t he interface connector. Ste p Size Quantity Screw T ype HDD Module M2*3 2 ...

  • Acer LT31 - page 51

    Chapter 3 41 6. Lift the hard disk drive module out of the bay . NOTE: T o prevent damage to device, avoid pressing down on it or placing heavy objects on top of it. 7. Remove the four screws (two each side) securing the hard disk to the carrier . 8. Remove the HDD from the carrie r . Ste p Size Quantity Screw T ype HDD Carrier M3*0.5+3.5I 4 ...

  • Acer LT31 - page 52

    42 Chapter 3 Removing the DIMM Module 1. See “Removing the Battery Pack” on page 38. 2. Loosen the two captive screws in the Memory Cover . 3. Lift the Memory cover up to remov e. ...

  • Acer LT31 - page 53

    Chapter 3 43 4. Push out the release latches on both sides of the DIMM socket to release th e DIMM module. 5. Remove the DIMM module. ...

  • Acer LT31 - page 54

    44 Chapter 3 Removing the WLAN Board 1. See “Removing the Battery Pack” on page 38. 2. Loosen the two captive screws in the 3G Cover . 3. Lift the 3G cover up to remove. NOTE: The 3g card is also located un der this cover. ...

  • Acer LT31 - page 55

    Chapter 3 45 4. Disconnect the Antenna cabl es from the WLAN Board. NOTE: Cable placement is White to the MAIN terminal (right) an d Black to the AUX terminal (left). 5. Remove the single screw securing the WLAN Board in place. Ste p Size Quantity Screw T ype WLAN Board M2*3 1 ...

  • Acer LT31 - page 56

    46 Chapter 3 6. Remove the WLAN Board from the Mainboard. ...

  • Acer LT31 - page 57

    Chapter 3 47 Removing the 3g Board 1. See “Removing the Battery Pack” on page 38. 2. Loosen the two captive screws in the 3G Cover . 3. Lift the 3G cover up to remove. NOTE: The WLAN card is also located under this cover . ...

  • Acer LT31 - page 58

    48 Chapter 3 4. Disconnect the Antenna cabl es from the 3g Board. NOTE: Cable placement is Y ellow to the MAIN terminal (right) and Blue to the AUX terminal (left). 5. Remove the two screws securing the 3g Board in place. 6. Remove the 3g Board from the Mainboard. [ Ste p Size Quantity Screw T ype 3g Board M2*3 2 ...

  • Acer LT31 - page 59

    Chapter 3 49 Main Unit Disassembly Process IMPORT ANT : Cable paths and positioning may not represen t the actual mode l. During the removal and replacement of components, ensure all a vailable cabl e channels and clips are used and that the cables are replaced in the same position. NOTE: The product previews seen in the disassembly proce dures may ...

  • Acer LT31 - page 60

    50 Chapter 3 Removing the Keyboard 1. See “Removing the Battery Pack” on page 38. 2. T urn the computer rightside up and open the lid to the full extent. 3. Unlock the four securing latches by pressing down with a suitable plastic tool. IMPORT ANT : The use of metal tools may damage the outer casing. Use plastic tools where availa ble. 4. Lift ...

  • Acer LT31 - page 61

    Chapter 3 51 6. Disconnect the FFC and remove the Keyboard. ...

  • Acer LT31 - page 62

    52 Chapter 3 Removing the Hinge Covers 1. See “Removing the Battery Pack” on page 38. 2. Remove the two screws securing the hinge covers. 3. Pull the Hinge Covers away from the Upper Cover as shown. Ste p Size Quantity Screw T ype Hinge Cover M2*10 2 ...

  • Acer LT31 - page 63

    Chapter 3 53 Removing the Upper Cover 1. See “Removing the Hinge Covers” on page 52. 2. Remove the 1 1 screws securing the Upper Cove r to the Lower Cover . 3. T urn the computer over and disconnect the following cable from the Mainboard. Ste p Size Quantity Screw T ype Upper Cover (Red callouts) M2*6 7 Upper Cover (Cyan callouts) M2*4 4 ...

  • Acer LT31 - page 64

    54 Chapter 3 Release the locking latch and disconne ct the FFC as shown. 4. Remove the eight securing screws from the Upper Cover . Ste p Size Quantity Screw T ype Upper Cover (red callout) M2*4 8 ...

  • Acer LT31 - page 65

    Chapter 3 55 5. S tarting at the front the cover , pry apar t the Upper and Low er Covers as shown. 6. Working along the front and to the right, pry ap art the covers as shown. 7. Lift the upper cover up and rotate it leftwards along th e left hinge until the hinge is cleared, then lift the cover away . ...

  • Acer LT31 - page 66

    56 Chapter 3 Removing the Button Board IMPORT ANT : The T ouchPad Board cannot be removed ind ividua lly . T o replace the T ouchPad Board, repla ce the entire Upper Cover . 1. See “Removing the Upper Cove r” on page 53. 2. Open the locking latches and disconnect the tw o FFCs from the Button Board as shown. 3. Remove the two screws securing th ...

  • Acer LT31 - page 67

    Chapter 3 57 IMPORT ANT : Ensure that th e FFCs are disconn ected befor e attempting to remove th e Button Board. 4. Slide the Button Boa rd out from under the se curing tabs in the Upper Cover as shown. 5. Open the FFC locking latch and disco nnect the FFC from the T o uchPad connector . 6. Pull the Mainboard FFC through the cover as shown. IMPORT ...

  • Acer LT31 - page 68

    58 Chapter 3 Removing the LED Board 1. See “Removing the Upper Cove r” on page 53. 2. Open the locking latch and disco nnect the FFC from the LED Board. 3. Remove the two screws securing the LED Board to the Lower Cover . Ste p Size Quantity Screw T ype LED Board M2*3 2 ...

  • Acer LT31 - page 69

    Chapter 3 59 4. Lift the LED Board from the Lower Cover . ...

  • Acer LT31 - page 70

    60 Chapter 3 Removing the Bluetooth Module 1. See “Removing the Upper Cove r” on page 53. 2. Disconnect the cable from the Bluetooth Module. 3. Lift the Bluetooth Module, left side first, to remove it from the Lower Cover . ...

  • Acer LT31 - page 71

    Chapter 3 61 Removing the Card Reader Board 1. See “Removing the Upper Cove r” on page 53. 2. Open the locking latch and disco nne ct the FFC from the Card Reader Board. 3. Remove the two screws securing the Card Reader Board to the Lower Cover. Ste p Size Quantity Screw T ype Card Reader Board M2*3 2 ...

  • Acer LT31 - page 72

    62 Chapter 3 4. T ilt the board up as indicated and remove the board from the Lower Cover , left side first to release the I/O ports. ...

  • Acer LT31 - page 73

    Chapter 3 63 Removing the Speaker Module 1. See “Removing the LED Board” on page 58. 2. See “Removing the Card Reader Board” on page 61. 3. Disconnect the S peaker cable from the Mainboa rd. 4. Remove the three screws securing the S peakers to the Lower Cover . Ste p Size Quantity Screw T ype S peaker Modu le M2*3 3 ...

  • Acer LT31 - page 74

    64 Chapter 3 5. Lift the right and left side speakers out from the Lower Cover as shown. 6. Remove the S peake r cables from the cable channels. En sure th at the cabl e is free from all cable clips. ...

  • Acer LT31 - page 75

    Chapter 3 65 Removing the VGA Board 1. See “Removing the Card Reader Board” on page 61. 2. Remove the single screw securing the VGA Board to the Lower Cover . 3. Lift the VGA Board left side first and turn it over to expose the VGA cable. IMPORT ANT : Do not remove the board from th e Lowe r Cover; the VGA cable is still attached. Ste p Size Qu ...

  • Acer LT31 - page 76

    66 Chapter 3 4. Flip the VGA board over , disconnect the cable from the VGA Board, and remove the board from the Lower Cover . ...

  • Acer LT31 - page 77

    Chapter 3 67 Removing the LAN Board 1. See “Removing the Upper Cove r” on page 53. 2. Lift the adhesive strip securing the L VDS cable in pl ace and disconnect the cable from the Mainboard. 3. Open the FFC locking latch and disco nnect the LAN Board cable from the Mainboard. 4. Remove the LAN Board from the Lower Cover as shown. ...

  • Acer LT31 - page 78

    68 Chapter 3 5. Disconnect the FFC cable from the LAN Board by pulling on the cable tab as shown. NOTE: The FFC Cable connector to the LAN board does not have a locking latch. NOTE: Reconnect the FFC cable to the mainboard if not immediately rep lacing the LAN b oard to prevent misplacing the FFC. The LAN board repla c ement kit does not contain a ...

  • Acer LT31 - page 79

    Chapter 3 69 Removing the LCD Module 1. See “Removing the VGA Board” on page 65. 2. See “Removing the LAN Board” on page 67. 3. See “Removing the Card Reader Board” on page 61. 4. Lift the adhesive strip securing the L VDS cable in pl ace and disconnect the cable from the Mainboard. 5. Remove the Antenna cable s from the cable channel o ...

  • Acer LT31 - page 80

    70 Chapter 3 6. Remove the two screws o n the rear of the Lower Cover securing the LCD Module to th e computer . IMPORT ANT : Ensure that th e LCD cables are free from all cable cl ips before removing the LCD Module. 7. Using both hands, lift the LCD Module away from the L ower Cover . Ste p Size Quantity Screw T ype LCD Module M2*3 2 ...

  • Acer LT31 - page 81

    Chapter 3 71 Removing the Hinge Wells 1. See “Removing the LCD Module” on page 69. 2. Slide the two hinge wells out of the Lower Cover as indicated. ...

  • Acer LT31 - page 82

    72 Chapter 3 Removing the Mainboard 1. See “Removing the Upper Cove r” on page 53. 2. Open the locking latch and disco nnect th e LED Board FFC fro m the Mainboard. 3. Disconnect the Bluetooth cable from the Mainboard. 4. Open the locking latch and disco nnect the Card Reader FFC from th e Ma inboard. ...

  • Acer LT31 - page 83

    Chapter 3 73 5. Remove the three screws securing the Mainboard to the Lower Cover as indicate d. 6. T ilt the assembly onto its side so you are able to access the underneath of the mainboard. Lift the Mainboard right side first to release the I/O ports and separate the board from the Lower Cover . 7. Reach through the HDD bay opening and unplu g th ...

  • Acer LT31 - page 84

    74 Chapter 3 Removing the RTC Battery IMPORT ANT : Follow local regulations for disposal of all batteries. 1. See “Removing the Mainboard” on page 72. 2. Disconnect the RTC Battery as shown. ...

  • Acer LT31 - page 85

    Chapter 3 75 Removing the Thermal Module 1. See “Removing the Mainboard” on page 72. 2. Remove the adhesive an d disconnect the fan po wer cable from the Mainbo ard. 3. Remove the five screws securing the Thermal Module to the Mainboa rd. Ste p Size Quantity Screw T ype Thermal Module M2*3 5 1 3 2 4 5 ...

  • Acer LT31 - page 86

    76 Chapter 3 4. Using both hands, lift the Thermal Module clear of the Mainboard. ...

  • Acer LT31 - page 87

    Chapter 3 77 Removing the CPU 1. See “Removing the Therma l Module” on page 75. 2. Using a flat blade screw driver , rotate the CPU screw 90° clockwise to release the CPU from the socket. 3. Lift the CPU clear of the socket. ...

  • Acer LT31 - page 88

    78 Chapter 3 LCD Module Disassembly Process IMPORT ANT : Cable paths and positioning may not represen t the actual mode l. During the removal and replacement of components, ensure all a vailable cabl e channels and clips are used and that the cables are replaced in the same position. NOTE: The product previews seen in the disassembly proce dures ma ...

  • Acer LT31 - page 89

    Chapter 3 79 Removing the LCD Bezel 1. See “Removing the LCD Module” on page 69. 2. S tarting from the i nside top edge, pry the b ezel away from the panel. Contin ue moving along the top , prying the bezel away from the LCD Module. If necessary , use a plastic pry to release the corners of the bezel. 3. Work down the sides as shown, then pry a ...

  • Acer LT31 - page 90

    80 Chapter 3 Removing the Camera Board 1. See “Removing the LCD Bezel” on page 79. 2. Disconnect the cable from the Camera Board as shown. 3. Remove the Camera Board from the LCD Module. ...

  • Acer LT31 - page 91

    Chapter 3 81 Removing the LCD Panel 1. See “Removing the Camera Board” on page 80. 2. Lift the Microphone Module upward to detach the adhesive holding it in place. 3. Remove the four screws securing the LCD Panel to the LCD Module Ste p Size Quantity Screw T ype LCD Panel M2*2 4 ...

  • Acer LT31 - page 92

    82 Chapter 3 4. Lift the LCD Panel out of the LCD Module front edg e first. ...

  • Acer LT31 - page 93

    Chapter 3 83 Removing the LCD Brackets and FPC Cable 1. See “Removing the LCD Panel” on page 81. 2. Remove the four securing screws (two each sid e) from the LCD Brackets. 3. T urn the LCD panel over on a clean surface. Ste p Size Quantity Screw T ype LCD Brackets M2*3 4 ...

  • Acer LT31 - page 94

    84 Chapter 3 4. Lift the LCD Cable to detach the adhesive securing the cable to the LCD Panel. 5. Carefully lift the adhesive tape securing the cable connector to the LCD Panel. 6. Hold the adhesive tape clear of the LCD Panel and disconnect the LCD cable as shown. 7. Remove the cable from the LCD Panel. ...

  • Acer LT31 - page 95

    Chapter 3 85 Removing the Antennas 1. See “Removing the LCD Panel” on page 81. 2. Carefully pry up the right Antenna pad, as shown, and remove the pad from the LCD Module. IMPORT ANT : A strong adhesive is used to secure the Antenna pad in place. T ake care not to bend the pad during removal. 3. Remove the cable from the cable channel. Ensure t ...

  • Acer LT31 - page 96

    86 Chapter 3 IMPORT ANT : A strong adhesive is used to secure the Antenna pad in place. T ake care not to bend the pad during removal. 5. Remove the cable from the cable channel. Ensure that the cable is free from all cable clips. ...

  • Acer LT31 - page 97

    Chapter 3 87 LCD Module Reassembly Procedure Replacing the Antennas 1. Remove the pr otective cove ring on the le ft and righ t Antenna pads. Place the Antenna pads in the LCD Module and press down to secure the adhesive in pla ce. IMPORT ANT : be sure the cables pass behind the shielding material as show n. 2. Run the left side cable down the side ...

  • Acer LT31 - page 98

    88 Chapter 3 NOTE: The LCD Module appears as shown when the Antennas are repl aced correctly . Ensure that the Antennas run through the hinge well as shown to avoi d trapping when the LCD Panel is replaced. ...

  • Acer LT31 - page 99

    Chapter 3 89 Replacing the LCD Cable and Brackets 1. Insert the LCD Cable i nto the panel connector as shown. 2. Secure the connector by rep lacing the adhesive strip as shown. Press down to secure the adhesive. 3. Run the LCD cable along the panel as shown. Press down to secure the adhesive. 4. replace the four screws (two each side) se curing the ...

  • Acer LT31 - page 100

    90 Chapter 3 Replacing the LCD Panel 1. Replace the LCD Panel top edge first as shown. Lower the Panel in to the LCD Module, ensuring the LCD cables are not trapped between the panel and the casing. 2. Ensure the cables and Antennas pass through the hi nge wells as sh own. 3. Press down to secure the adhesive holding the Mi cro phone in place. ...

  • Acer LT31 - page 101

    Chapter 3 91 Replacing the Camera Board 4. Replace the two securing screws. 1. Align the locating slots on the Camera Module with the locating pins on the LCD Mo dule. 2. Place the Camera Module in the LCD Mo dule and press down to secure it in pl ace. 3. Connect the Camera cable as shown. ...

  • Acer LT31 - page 102

    92 Chapter 3 Replacing the LCD Bezel 1. Replace the bezel bottom edge first as shown. Ensure that the cabl es are not trapped betwee n th e bezel and LCD Module and pass through the h inge wells. 2. Press down around the edges of the bezel unt il there are no gaps between the covers. ...

  • Acer LT31 - page 103

    Chapter 3 93 Main Module Reassembly Procedure Replacing the CPU 1. Insert the CPU into the socket. IMPORT ANT : be sure to align the pins correctly with the marke r on the CPU. Failure to do will likely result in permanent damage to teh CPU. NOTE: If replacing only th e CPU, make sure to follow t he instrucito ns for cleaning and replacing the rmal ...

  • Acer LT31 - page 104

    94 Chapter 3 2. Place the pads as shown. 3. Place the Thermal Module onto the Mainboard an d insert the screws in order from 1 to 5.. Ste p Size Quantity Screw T ype Thermal Module M2*3 5 1 3 2 4 5 ...

  • Acer LT31 - page 105

    Chapter 3 95 4. Connect the fan power cable to the Mainboard an d replace the adhesive. ...

  • Acer LT31 - page 106

    96 Chapter 3 Replacing the RTC Battery IMPORT ANT : Follow local regulations for disposal of all batteries. 1. See “Removing the Mainboard” on page 72. 2. Disconnect the RTC Battery as shown. Replacing the Mainboard 1. T urn the assembly and Mainboard onto its side and connect the mainboard to the VGA cable as shown. 2. Insert the main board in ...

  • Acer LT31 - page 107

    Chapter 3 97 3. Replace the three screws to secure the Mainboard to the Lower Cover as indica ted. 4. Connect the Card R eader FFC to th e Mainboard and close the locking latch. Ste p Size Quantity Screw T ype Mainboard M2*3 3 ...

  • Acer LT31 - page 108

    98 Chapter 3 5. Connect the Bluetooth cable to the Mainboard. 6. Connect the LED Board FFC to the Mainboard and close the lockin g latch. ...

  • Acer LT31 - page 109

    Chapter 3 99 Replacing the Hinge Wells 1. Slide the two hinge wells into the Lower Cover as indicated . Replacing the LCD module 1. Using both hands, lift the LCD Module away from the L ower Cover . 2. Remove the two screws o n the rear of the Lower Cover securing the LCD Module to th e computer . Ste p Size Quantity Screw T ype LCD Module M2*3 2 ...

  • Acer LT31 - page 110

    100 Chapter 3 IMPORT ANT : Ensure that th e LCD cables are free from all cable cl ips before removing the LCD Module. 3. Insert the Antenna cables into the cabl e channel on the Lower Cover as shown. NOTE: If replacing the LAN card, skip the next step. 4. Connect the L VDS cable to the Mainboard a nd adhire the adhesive strip to secure the L VDS ca ...

  • Acer LT31 - page 111

    Chapter 3 101 Replacing the LAN Board 1. Connect the FFC cable to the LAN Board b y pushing the cable into the connector sh own. NOTE: The FFC Cable connector to the LAN board does not have a locking latch. 2. If the L VDS cable is still co nnected, lift the adhesive strip securing the L VDS cable in place and disconnect the cable from the Mainboar ...

  • Acer LT31 - page 112

    102 Chapter 3 4. Connect the LAN Board ca ble to the Ma inboard and clos e the FFC locking latch. 5. Connect the L VDS cable to the Mainboard a nd adhire the adhesive strip to secure the L VDS cable in place. Replacing the VGA Board 1. Connect the cable from the VGA Board and flip the boa rd over . ...

  • Acer LT31 - page 113

    Chapter 3 103 2. Insert the CRT Board left side first into the Lower Cover . 3. Replace the single screw to secure the VGA Board to the Lower Cover . Ste p Size Quantity Screw T ype CRT Board M2*3 1 ...

  • Acer LT31 - page 114

    104 Chapter 3 Replacing the Speaker Module 1. Insert the S peaker cable into the cable channel. En sure that the cabl e passes through all cable clips. 2. Place the right and left side speakers into the Lower Cover as shown. ...

  • Acer LT31 - page 115

    Chapter 3 105 3. Replace the three screws to secure the S peakers to the Lower Cover . 4. Connect the S peaker cable to the Mainboard. Ste p Size Quantity Screw T ype S peaker Modu le M2*3 3 ...

  • Acer LT31 - page 116

    106 Chapter 3 Replacing the LED Board 1. Place the LED Board into the Lower Cover . 2. Replace the two screws to secure the LED Board to the Lower Cover . Ste p Size Quantity Screw T ype LED Board M2*5 1 ...

  • Acer LT31 - page 117

    Chapter 3 107 3. Connect the LED Board FFC to the LED Board and close the locking latch. 4. Connect the LED Board FFC to the Mainboard and close the lockin g latch. Replacing the Bluetooth Module 1. Insert the Bluetooth Module, right side first, into Lower Cover so tha t it is held by the tab. ...

  • Acer LT31 - page 118

    108 Chapter 3 2. Connect the cable to the Bluetooth Module. 3. Press on the adhes ive stri p to att ach the cable to the Lower Cover . 4. Connect the Bluetooth cable to the Mainboard. Replacing the Card Reader Board 1. Place the board into the Lower Cover , right side first so the I/O ports align with the openings in the lower cover . ...

  • Acer LT31 - page 119

    Chapter 3 109 2. Replace the single screw to secure the Card Reader Boar d to the Lower Cover. 3. Connect the FFC to th e Mainboard and clo se the locking latch. 4. Connect the FFC to the Card Reader Board and close th e locking latch. Ste p Size Quantity Screw T ype Card Reader Board M2*3 1 ...

  • Acer LT31 - page 120

    11 0 Chapter 3 Replacing the Button Board IMPORT ANT : The T ouchPad Board cannot be re mo ved from the Upper Cover . T o replace the T ouchPad Board, replace the entire Upper Cover . 1. Push the FFC through the cover as shown. 2. Connect the FFC to th e T ouchPad connector and close the FFC locking latch. 3. Slide the button board under the securi ...

  • Acer LT31 - page 121

    Chapter 3 111 4. Replace the two screws to secure the T ouchPa d Bracket to the Upper Cover . 5. Connect the two FFCs to the Button Board and close the lockin g latches as sh own. Replacing the Upper Cover 1. Place the Upper Cover into the Lower Cover left corner first. Hook the hinge cover part of the upper cover around the left hinge, making sure ...

  • Acer LT31 - page 122

    11 2 Chapter 3 2. Lightly press the edges of the cover in place to connect it to the lower cover ., 3. Replace the eight securing screws to the Upper Cover . Ste p Size Quantity Screw T ype Upper Cover (red callout) M2*4 8 ...

  • Acer LT31 - page 123

    Chapter 3 11 3 4. Connect the following cable to the Mainboard. 5. Connect the FFC and close the locking latch as shown. ...

  • Acer LT31 - page 124

    11 4 Chapter 3 6. T urn the computer and replace the eleven screws securing the Upper Cover to the Lower Cover . Removing the Hinge Covers 1. Connect the Hinge Covers to the Uppe r Cover as shown. Ste p Size Quantity Screw T ype Upper Cover (Red callouts) M2*6 7 Upper Cover (Cyan callouts) M2*4 4 ...

  • Acer LT31 - page 125

    Chapter 3 11 5 2. Replace the two screws to secure the hinge covers. Replacing the Keyboard 1. T urn the computer rightside up and open the lid to the full extent. 2. Holding the keyboard on edge, insert the Keyboard FFC and secure th e latch as shown. Ste p Size Quantity Screw T ype Hinge Cover M2*10 2 ...

  • Acer LT31 - page 126

    11 6 Chapter 3 3. Place the Keyboard into the Upper Cover bottom edge first, taking care to align the mounti ng tabs. 4. Press the keyboard into place in the four indicate d poi nts. An audible click indicates the keyboard is in place. Reassembling External Modules Replacing the WLAN Board 1. Insert the WLAN Board into the Mainb oard. ...

  • Acer LT31 - page 127

    Chapter 3 11 7 2. Replace the single screw to secure the WLAN Board in place. 3. Connect the Antenna cabl es to the WLAN Board. NOTE: Cable placement is Black to the MAIN terminal (right) and Wh ite to the AUX terminal (left). Ste p Size Quantity Screw T ype WLAN Board M2*3 1 ...

  • Acer LT31 - page 128

    11 8 Chapter 3 Replacing the 3G Module 1. Insert the 3g Board into the Mainboard. [ 2. Replace the two screws to secure the WLAN Board in place. Ste p Size Quantity Screw T ype 3g Board M2*3 2 ...

  • Acer LT31 - page 129

    Chapter 3 11 9 3. Connect the Antenna cables to the 3g Board. NOTE: Cable placement is Y ellow to the MAIN terminal (right) and Blue to the AUX terminal (left). Replacing the DIMM Module 1. Insert the DIMM module at an angle then push down in to place until the latches on the sides click into place. Replacing the Hard Disk Drive Module 1. Attach th ...

  • Acer LT31 - page 130

    120 Chapter 3 2. Replace the four screws (two each side) to secure the hard disk to the carrier . 3. Place the hard disk drive module into the bay . NOTE: T o prev ent damage to the device, avoid pressing do wn on it or placing heavy ob jects on top of it. 4. Slide the HDD in the direction of the arrow to connect the HDD to the interface con nector ...

  • Acer LT31 - page 131

    Chapter 3 121 5. Replace the single screw to secure the HDD Module in place. Replacing the Lower Covers 1. Insert the HDD cover into the Lower Cover . Ste p Size Quantity Screw T ype HDD Module M2*3 1 ...

  • Acer LT31 - page 132

    122 Chapter 3 2. Insert the Memory cove r into the Lo w e r Co ver . 3. Insert the 3G cover into the Lower Cover . 4. T ighten the seven captive screws in the HDD, Memory , and 3G Covers. ...

  • Acer LT31 - page 133

    Chapter 3 123 Replacing the Battery Pack 1. T urn the computer over . 2. Slide the battery lock/unlock l atch to the unlock position. 3. Slide and hold the battery release la tch to the releas e position (1), then slide the battery pack into the main unit (2). 4. Slide the battery lock/unlock l atch to the lock position. 1 2 ...

  • Acer LT31 - page 134

    124 Chapter 3 ...

  • Acer LT31 - page 135

    Chapter 4 125 Troubleshooting Common Problems Use the following procedure as a gui de for computer problems. NOTE: The diagnosti c tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false e rrors and invalid system responses. 1. Obtain the failing symptoms in as much detail as possible. 2 ...

  • Acer LT31 - page 136

    126 Chapter 4 Power On Issue If the system doesn’t power on, perform the following acti ons one at a time to correct the problem. Do not replace non-defective FRUs: Computer Shuts down Intermittently If the system powers off at intervals, perform the fo llow ing actions one at a time to correct the problem. 1. Check the power cable is properly co ...

  • Acer LT31 - page 137

    Chapter 4 127 No Display Issue If the Displa y doesn’t work, perform the follo wing actions one at a time to correct the problem. Do not replace non-defective FRUs: No POST or Video If the POST or video doesn’t display , perform the foll owing actions one at a time to correct the problem. 1. Make sure that the internal display is selected. On t ...

  • Acer LT31 - page 138

    128 Chapter 4 If the computer boots correctly , add the devices one by one until the failure point is discovered. 6. Reseat the memory modules. 7. Remove the drives (see “Disa s sembly Process” on page 34). 8. If the Issue is still not resolved, see “Online Support Information” on page 165. Abnormal Video Display If video displays abnormall ...

  • Acer LT31 - page 139

    Chapter 4 129 6. If the Issue is still not resolved, see “Online Support Information” on page 165. LCD Failure If the LCD fails, perform the following actions one at a ti me to correct the problem. Do not replace non- defective FRUs: Start Check LCD module? Swap LCD cable /LCD panel OK NG Check MB LCD connector and cable ? OK Reassemble Re- plu ...

  • Acer LT31 - page 140

    130 Chapter 4 Built-In Keyboard Failure If the built-in Keyboard fails, perform the foll owing actions one at a ti me to correct the pro blem. Do not replace non-defective FRUs: Start Keyboard properly connected? No Disconnect and reconnect Keyboard functioning? No Replace Keyboard Replace mainboard ...

  • Acer LT31 - page 141

    Chapter 4 131 TouchPad Failure If the To u c h P a d doesn’t work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Start Check M/B T/P FFC Re -assemble the T/P FFC to M/B OK NG Check TouchPad OK Swap/Reassemble the T/P board or T/P FFC OK NG Swap M/B Start Check M/B T/P FFC Re -assemble the T ...

  • Acer LT31 - page 142

    132 Chapter 4 Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the probl em. Do not replace non-defective FRUs: Sound Problems If sound problems are experienced, p erform the following actions one at a time to correct the problem. 1. Reboot the computer . 2. Navigate to Start ´ Control ...

  • Acer LT31 - page 143

    Chapter 4 133 8. Remove and recently installed hardware or software. 9. Restore system and file settings from a k nown good date using System Restor e . If the issue is not fixed, repeat the prec eding steps and select an earl ier time and date. 10. Reinstall the Operating System. 11 . If the Issue is still not resolved, see “Online Support Infor ...

  • Acer LT31 - page 144

    134 Chapter 4 c. Select the micropho ne typ e from the list and click Next . d. Follow the onscre en prompts to complete the test. 8. If the Issue is still not resolved, see “Online Support Information” on page 165. HDD Not Operating Correctly If the HDD does not op erate correctly , perform the following ac tions one at a ti me to correct the ...

  • Acer LT31 - page 145

    Chapter 4 135 USB Failure (Right up/down side) If the rightside USB port fails, perform the following actio ns one at a time to correct the problem. Do not replace non-defective FRUs: Other Failures If the VGA board, LAN Port, external MIC or Sp eakers, PCI Express Card , 5-in-1 Card Reader or V olume Wheel fail, perform the following general steps ...

  • Acer LT31 - page 146

    136 Chapter 4 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons th at have nothin g to do with a hardware defect, such as: cosmic radiation, electros tatic discharge, or software errors. FRU replacement should be considered only when a recurring prob lem exists. When analyzing an intermittent prob lem, do ...

  • Acer LT31 - page 147

    Chapter 4 137 POST Code Reference Tables These tables describe the POST codes and components of the POST process. Code Beeps POST Routine Descrip tion 02h V erify Real Mode 03h Di sable Non-Maskable Interrupt (NMI) 04h Get CPU type 06h Initialize system hardware 08h Ini tia lize chipset with initial POST 09h Se t IN POST flag 0Ah Initialize CPU reg ...

  • Acer LT31 - page 148

    138 Chapter 4 45h POST devi c e initial ization 46h Ch eck ROM copyrigh t notice 48h 2-1-2-3 Check video configuration against CMOS 49h Ini tialize PCI bus and devices 4Ah Initialize all vi deo adapters in system 4Bh QuietBoot start (optional) 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright no ti ce 50h Di splay CPU type and speed 51h Ini tial ...

  • Acer LT31 - page 149

    Chapter 4 139 8Ah Initialize Extende d BIOS Data Area 8Bh T est and initialize PS/2 mouse 8Ch Initialize floppy controller 8Fh Determine number of A T A drives (optional) 90h Ini tia lize ha rd-disk controllers 91h Ini tialize local-bus hard-disk controlle rs 92h Ju mp to UserPatch2 93h Bu ild MPT ABLE for multi-processor boards 95h Install CD ROM ...

  • Acer LT31 - page 150

    140 Chapter 4 * If the BIOS detect s error 2C, 2E, or 30 (base 512K RAM error), it di splays an additional word-bitmap (xxxx) indicating the address line or bits that failed. For ex ample, "2C 0002" means addres s li ne 1 (bit one set) has failed. "2E 1020" mean s data bit s 12 and 5 (bits 12 and 5 set) have failed in the lower ...

  • Acer LT31 - page 151

    Chapter 5 141 Jumper and Connector Locations Top View Item Description Item Descrip tion CN1 L VDS con nector CN6 S peaker connector CN2 LAN connector CN7 I/O Board Connector CN3 Keyboard connector CN8 LED board conne cto r CN4 T ouchpad connector CN9 Bluetooth conne ctor Chapter 5 ...

  • Acer LT31 - page 152

    142 Chapter 5 Bottom View Item Description Ite m Description CN10 F AN CN17 DDR Connector CN1 1 CRT/B Conn ector P J1 Battery connector CN12 RTC Battery Connector PJ2 DC-in CN13 SA T A Connector JSIM1 SIM card connector CN14 USB U10 RS690E CN15 WL Connector U15 GDDR CN16 3G Connector U14 CPU Socket ...

  • Acer LT31 - page 153

    Chapter 5 143 Clearing Password Check and BIOS Recovery This section provide you the standard operating proce dures of clearing password and BIOS recovery for Aspire one. Aspire one provides one Hardw are Open Gap on the main board for clearing the CMOS, and one Hotkey for enabling BIOS Recovery . Motherboard CMOS Discharge Discharging the CMOS cle ...

  • Acer LT31 - page 154

    144 Chapter 5 4. Peel back the Wireles LAN Card mylar and short the G2 pad. 5. Reconnect the RTC battery and reassemble the unit. BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a spec ial block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the ...

  • Acer LT31 - page 155

    Chapter 5 145 T o use the Crisis USB key , do the fol lowing: 1. Plug USB storage into USB port. 2. Press Fn + ESC button then plug in AC power . The Power button flashes orange on ce. 3. Press Power button to initiate system CRISIS mode. When CRISIS is complete, the system auto rest ar t s with a workable BIOS. 4. Update the latest version BIOS fo ...

  • Acer LT31 - page 156

    146 Chapter 5 ...

  • Acer LT31 - page 157

    Chapter 6 147 FRU (Field Replaceable Unit) List This chap t er gives you the F RU ( F ield R epl a c eable Unit) listing in global configu r ations of Gate w ay L T 31 Series. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHEN ORDERING FRU P ARTS, you should c heck the mo ...

  • Acer LT31 - page 158

    148 Chapter 6 Gateway LT31 Exploded Diagrams Main Assembly Item Description Pa rt Number 1 Left Hinge Cover N/A 2 Right Hinge Cover N/A 3 Keyboard N/A 4 Upper Cover N/A 5 Mainboard N/A 6 LED Board N/A 7 Lower Cover N/A 8 HDD Door N/A 9 Memory Door N/A 10 VGA Card N/A 1 1 Hinge Well N/A 12 I/O Boa rd N/A 13 HDD N/A 14 MiniPCI Doo r N/A 3 5 6 7 9 10 ...

  • Acer LT31 - page 159

    Chapter 6 149 LCD Assembly Item Description Pa rt Number 1 LCD Bezel N/A 2 LCD Bracket_L N/A 3 LCD Panel N/A 4 Camera N/A 5 LCD Cover N/A 6 LCD Bracket_R N/A 12 3 4 5 6 ...

  • Acer LT31 - page 160

    150 Chapter 6 Gateway LT 31 Series FRU List CA TEGOR Y QUANT A DESCRIPTION ACER PN. ADAPTER ZG5 ADP 19V 1.58A 30JH BA 90~264V S.P AP .03001.001 ZG5 ADP 19V P A-1300 -04AC 90~ 264V S.P A P . 030 03.001 ZG5 ADP19V1.58A HP-A0301R3 S.P AP .0300A.001 BA TTERY ZG8 BA TT LI,UM09 A71 3S1P 2.2A S.P BT .00307 .01 3 ZG8 BA TT LI,UM09 A75 3S1P 2.2A S.P BT .003 ...

  • Acer LT31 - page 161

    Chapter 6 151 SD DUMMY CARD ZA3(EBZA3013,REV3A) N/A CABLE ZB1 PWR CORD US S/P 27.T AXV7.001 ZR1 PWR CORD (5-KAF2166) S/P 27.T A TV7.0 01 ZA8 CABLE BLUETOOTH(3.3V ,5/8P ,1A)S.P N/A ZA8 CABLE CARDREAD(41MM,28P ,1A)5V S.P N/A ZA8 CABLE FFC LED (35 MM,12P ,1A)5V S.P N/A ZA8 CABLE FFC LAN (48 MM,12P ,1A)5V S.P N/A ZA8 CABLE LCD 1 1.6(30/ 40/5/4P ,1A)3V ...

  • Acer LT31 - page 162

    152 Chapter 6 CASE/COVER/BRACKET ASSEMBL Y ZA8 TOP CAS E WIFI RED ASSY S.P N/A ZA8 TOP CAS E 3G-WIFI RED ASSY S.P N/A ZA8 TOP CAS E WIFI BK ASSY S.P N/A ZA8 TOP CASE 3G-WIFI B K S.P N/A ZA8 BASE CASE 3G-WIFI-BT BK S.P N/A ZA8 BASE CASE WIFI-BT BK ASSY S.P N/A ZA8 BASE CASE 3G-WIFI-BT RED S.P N/A ZA8 BASE CASE WIFI-BT RED ASSY S.P N/A ZA8-HDD-DOOR-A ...

  • Acer LT31 - page 163

    Chapter 6 153 ZA5 HINGE-R(FBZA5002, REV3A)S.P 33.WDP07.00 2 ZA5 TOP-HINGE-CAP-L S.P 42.WDP07.00 4 ZA5 TOP-HINGE-CAP-R S.P 42.WDP07.00 5 HDD/HARD DISK DRIVE ZG8 HDD(160G)HTS545016B9A300 0A704 21 S.P KH.16007 .0 24 ZK2 HDD(160G) ST9160310AS 9EV132-188 S.P KH.16001.034 Z06 HDD(160G) MK1655GSX -EUL S.P KH.16004.006 SA1 HDD(160G) WD1600BEVT -22ZCT0 S.P ...

  • Acer LT31 - page 164

    154 Chapter 6 ZA5 K/B(ARAB-EN)BLACK S.P KB.I1 10G .002 ZA5 K/B(BELGIUM) BLACK S.P KB.I1 10G .003 ZA5 K/B(BRAZIL)BLACK S.P KB.I1 10G .004 ZA5 K/B(CHINA) BLACK S.P N/A ZA5 K/B(DANISH) BLACK S.P KB.I1 10G .007 ZA5 K/B(FRENCH) BLACK S.P KB.I1 10G .009 ZA5 K/B(GERMAN)BLACK S.P KB.I1 10G .010 ZA5 K/B(GREEK)BLACK S.P KB.I1 10G .01 1 ZA5 K/B(HUNGARIAN)BLAC ...

  • Acer LT31 - page 165

    Chapter 6 155 Screw List ZA8 MB (UMA/WO CPU,3G/SAM SPM)S.P N/A ZA8 MB (UMA/WO CP U/HYNIX SPM)S.P N/A MEMOR Y Z01 RAM 1G 667MHZ HYMP1 12S6 4CP6-Y5 S.P KN.1GB0G . 01 2 ZY2 RAM(1GB) DDR2 M470T28 64QZ3-CE6 S.P KN.1GB0B.01 6 ZG8 RAM(1G)DDR2 EBE1 1UE6AESA-6E-F S.P KN.1GB09.010 ZY2L RAM(1G) NT1G T64UH8D0FN-3C S.P KN.1GB03.026 ZD1 RAM(2G)DDR2 HYMP125S64CP8 ...

  • Acer LT31 - page 166

    Appendix A 156 Model Definition and Configuration Gateway LT 31 Series Model RO Country Acer Part No Description L T3101g AAP Singapore LU.WEW0B.003 L T3101g AOXPHGwTSG1 UMACkk 1*1G/160/3L/5R/ CB_bg_0.3D_BAG_GEk_ENI1 L T3102g AAP Singapore LU.WEW0B.002 L T3102g AOXPHGwTSG1 UMACkk 1*1G/160/6L2.6/5R/ CB_bg_0.3D_BAG_GEk_ENI1 L T31 12u P A USA LU.WEW0Y ...

  • Acer LT31 - page 167

    157 Appendix A L T3109u P A USA LU.WEW0Y .016 L T3109u VHB32wTMU S1 UMACkk 1*2G/250/6L/5R/ CB_bg_0.3D_GEk_ENP4 L T31 10u P A USA LU.WEW0Y .012 L T31 10u VHB32wT MUS1 UMACkk 1*2G/250/6L/5R/ CB_bg_0.3D_GEk_ENP6 L T31 1 1u P A USA LU.WEW0Y .01 1 L T31 1 1u VHB32wTMUS1 UMACkk 1*2G/250/6L/5R/ CB_bg_0.3D_GEk_ENP5 L T3101c P A C hina LU.WEW0Y .007 L T3101 ...

  • Acer LT31 - page 168

    Appendix A 158 L T3103h AAL1 10 NLED1 1.6WXGAG UMA SO2GBII6 N250GB5.4KS L T3106u AAL1 10 NLED1 1.6WXGAG UMA SO2GBII6 N250GB5.4KS L T3102h AAL1 10 NLED1 1.6WXGAG UMA SO2GBII6 N250GB5.4KS L T3107u AAL1 10 NLED1 1.6WXGAG UMA SO2GBII6 N250GB5.4KS L T3108u AAL1 10 NLED1 1.6WXGAG UMA SO2GBII6 N250GB5.4KS L T3109u AAL1 10 NLED1 1.6WXGAG UMA SO2GBII6 N250G ...

  • Acer LT31 - page 169

    159 Appendix A L T31 1 1u NIS 5 in 1-Build in 3rd WiFi BG 3rd WiFi BG N 6CELL2.2 L T3101c NIS 5 in 1-Build in 3rd WiFi BG 3rd WiFi BG N 6CELL2.2 L T3103 NIS 5 in 1-Build in 3rd WiFi BG 3rd WiFi BG BT 2.1 3C ELL2.2 L T3102u NIS 5 in 1-Build in 3rd WiFi BG 3rd WiFi BG N 6CELL2.6 L T3104u NIS 5 in 1-Build in 3rd WiFi BG 3rd WiFi BG N 6CELL2.6 L T3105u ...

  • Acer LT31 - page 170

    Appendix A 160 ...

  • Acer LT31 - page 171

    Appendix B 161 Test Compatible Components This computer ’s compat ibility is tested and verified by Acer ’s internal testing department. All of it s system functions are tested under Windows ® XP Home, Windows ® XP Pro environment. Refer to the following lists for components, adapter ca rds, and peripherals which have passed these tests. Rega ...

  • Acer LT31 - page 172

    162 Appendix B Windows XP Environment Test BRAND Ty p e Desc ription 3G Qualcomm Gobi2000 Qualcomm Gobi2000 Adapter DEL T A 30W Adapter DEL T A 30W 19V 1.7x5.5x1 1 Bl ack ADP-30JH BA LF HIPRO 30W Adapter HIPRO 30W 19V 1.7x5.5x1 1 Black HP-A0301R3 B1LF LF LITE-ON 30W Adapter LITE-ON 30W 19V 1.7x5.5x1 1 Black P A-1 300-04AC LF Audio Codec Realtek ALC ...

  • Acer LT31 - page 173

    Appendix B 163 AMD AAL1 10 CPU AMD Athlon L1 10 PGA 1.2G 512K single core HDD HGST N160GB5.4KS HDD HGST 2.5" 5400rpm 160GB Falcon B HTS543216L9SA00 SA T A LF F/W:C40C HGST N160GB5.4KS HDD HGST 2.5" 5400 rpm 160GB HTS5450 16B9A300 Panther B SA T A LF F/W:C60F HGST N250GB5.4KS HDD HGST 2.5" 5400 rpm 250GB HTS5450 25B9A300 Panther B SA ...

  • Acer LT31 - page 174

    164 Appendix B SAMSUNG SO1GBII6 Memory SAMSUNG SO -DIMM DDRII 667 1GB M470T2864QZ3- CE6 LF SAMSUNG SO2GBII6 Memory SAMSUNG SO-DIMM DDRII 667 2GB M470T5663EH3- CE6 LF 128*8 0 .055um SAMSUNG SO512MBII6 Memory SAMS UNG SO-DIMM DDRII 667 512MB M470T6464QZ3-CE6 LF Modem N/A External USB Lite+LSI modem External USB Lite+LSI modem Chip set AMD (NB) AMDRS6 ...

  • Acer LT31 - page 175

    Appendix C 165 Online Support Information This section describe s online techni cal support services a vailable to help you repair your Acer Systems. If you are a distributor , deal er, ASP or TPM, please re fer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Unit s may access our website. However ...

  • Acer LT31 - page 176

    166 Appendix C ...

  • Acer LT31 - page 177

    167 Numerics 3G Cover Removing 121 A Antennas Removing 85 Replacing 87 B Battery Pack Removing 38, 123 BIOS ROM type 16 vendor 16 Version 16 BIOS Utility 21–29 Advanced 24 Boot 27 Exit 28 Navigating 21 Save and Exit 28 Security 24 System Security 28 Bluetooth Module Removing 60, 107 Board Layout Top View 141 brightness hotkeys 12 Button Board Rem ...

  • Acer LT31 - page 178

    168 Jumper and Connector Locations 141 Top View 141 K Keyboard Removing 50, 115 Keyboard Failure 130 L LAN Board Removing 67, 101 LCD Bezel Removing 79 Replacing 92 LCD Brackets Removing 83 Replacing 89 LCD Cable Removing 83 Replacing 89 LCD Failure 129 LCD Module Removing 69 LCD Module Disassembly Flowchart 78 LCD Module Reassembly Procedure 87 LC ...

  • Acer LT31 - page 179

    169 Built-in KB Failure 130 Internal Micr ophone 133 Internal Speakers 132 LCD Failure 129 No Display 127 ODD 135 Other Failures 135 Power On 126 Touch Pad 131 USB 135 U Undetermined Problems 136 Upper Cover Removing 53, 111 USB Failure (Rightside) 135 utility BIOS 21–29 V volume hotkeys 12 W Windows 2000 Environ ment T est 162 WLAN Board Removin ...

  • Acer LT31 - page 180

    170 ...

Fabbricante Acer Categoria Laptop

I documenti che otteniamo dal fabbricante del dispositivoAcer LT31 possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
- disegni tecnici Acer
- manuali per l’uso LT31
- schede prodotto Acer
- opuscoli
- o etichette energetiche Acer LT31
Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Acer LT31.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Acer LT31, manuali di manutenzione, brevi manuali o manuali utente Acer LT31. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Acer LT31.

Manuali per l’uso simili

Manuale completo del dispositivo Acer LT31, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare Acer LT31 dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti Acer LT31.

Il manuale per l’uso completo Acer, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale Acer LT31 - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Acer LT31, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per Acer LT31 che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo Acer LT31 - che ci dovrebbe aiutare nei primi passi durante l'uso Acer LT31
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del Acer LT31
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio Acer LT31 in un dato paese, se il problema non può essere risolto da noi stessi.

Hai una domanda su Acer LT31?

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Se non hai risolto il problema con Acer LT31 con l'aiuto del manuale che hai trovato, fai una domanda utilizzando il modulo sottostante. Se un utente ha avuto un problema simile con Acer LT31 è probabile che voglia condividere il modo di risolverlo.

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