Acer Aspire 5742 Service Guide

Acer Aspire 5742 Manual

Get Acer Aspire 5742 PDF manuals and user guides View all Acer Aspire 5742 manuals
Add to My Manuals
Save this manual to your list of manuals

Acer Aspire 5742 manual content summary:

  • Acer Aspire 5742 | Service Guide - Page 1
    Aspire 5742/5742G/5742Z/5742ZG Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN
  • Acer Aspire 5742 | Service Guide - Page 2
    Revision History Please refer to the table below for the updates made on Aspire 5741/5741G service guides. Date Chapter Updates II
  • Acer Aspire 5742 | Service Guide - Page 3
    by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed
  • Acer Aspire 5742 | Service Guide - Page 4
    are used in this manual: SCREEN MESSAGES NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. Gives bits and pieces of additional problems. Reminds you to do specific actions relevant to the accomplishment of procedures. NOTE: This symbol where placed in the Service Guide
  • Acer Aspire 5742 | Service Guide - Page 5
    Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market
  • Acer Aspire 5742 | Service Guide - Page 6
    VI
  • Acer Aspire 5742 | Service Guide - Page 7
    5742/5742G/5742Z/5742ZG BIOS 32 Information 32 Main 33 Security 34 Boot 37 Exit 38 BIOS Flash Utilities 39 DOS Flash Utility 40 WinFlash Utility 41 Remove HDD/BIOS Password Utilities 42 Machine Disassembly and Replacement 47 Disassembly Requirements 47 Pre-disassembly Instructions
  • Acer Aspire 5742 | Service Guide - Page 8
    (UMA Only 133 Replacing the Bluetooth Board 134 Replacing the USB Board 135 Replacing the Card Reader Board (Discrete Only 137 Replacing the Touchpad FFC 139 Replacing the Power Board 140 Replacing the Speaker Module 141 Replacing the Upper Cover 142 Replacing the RTC Battery (UMA Only 146
  • Acer Aspire 5742 | Service Guide - Page 9
    Contents Troubleshooting 159 Common Problems 159 Power On Issue 160 No Display Issue 161 Random Loss of BIOS Settings Aspire FRU List 205 Screw List 229 Model Definition and Configuration 231 Aspire 5742/5742G 231 Aspire 5742Z/5742ZG 257 Test Compatible Components 273 Online Support
  • Acer Aspire 5742 | Service Guide - Page 10
    Table of Contents X
  • Acer Aspire 5742 | Service Guide - Page 11
    Genuine Windows® 7 Home Basic 64-bit2 CPU and chipset • Mobile Intel® HM55 Express Chipset 5742, 5742G • Intel® Core™ i5-450M/i5-460M/i5-540M/i5-560M/i5-580M processor (3 MB L3 cache, 2.40/2.53/ 2.53/2.67/2.67 GHz with Turbo Boost up to 2.66/2.80/3.06/3.20/3.33 GHz, DDR3 1066 MHz, 35 W), supporting
  • Acer Aspire 5742 | Service Guide - Page 12
    Digital Content Protection) support 5742, 5742Z • Intel® HD Graphics with 128 MB of dedicated system memory, supporting Microsoft® DirectX® 10 5742G, 5742ZG • NVIDIA 4X DVD+R DL, 4X DVD-R DL Webcam • Acer Video Conference featuring: • Acer Crystal Eye webcam with 1280 x 1024 resolution 2 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 13
    ™ 802.11b/g Wi-Fi CERTIFIED™ • Supporting Acer SignalUp™ wireless technology WPAN: • Bluetooth® 3.0+HS • Bluetooth® 2.1+EDR LAN: Gigabit Ethernet, Wake-on-LAN ready Privacy control • BIOS user, supervisor, HDD passwords • Kensington lock slot Power adapter and battery • ACPI 3.0 CPU power management
  • Acer Aspire 5742 | Service Guide - Page 14
    battery pack Input and control Keyboard: • 103-/104-/107-key Acer FineTip keyboard with independent standard numeric keypad, international language support Touchpad: • Multi-gesture touchpad, supporting 6-cell Li-ion battery pack • 3-pin 65 W AC adapter • External USB 56K modem 5742G, 5742ZG • 3-pin
  • Acer Aspire 5742 | Service Guide - Page 15
    ™ • Skype™ • Windows Live™ Essentials - Wave 3.2 (Mail, Photo Gallery, Live™ Messenger, Movie Maker, Writer) Web links and utilities • Acer Accessory Store (Belgium, France, Germany, Italy, Netherlands, Spain, Sweden, UK only) • Acer Identity Card • Acer Registration • Acer Updater • eBay® shortcut
  • Acer Aspire 5742 | Service Guide - Page 16
    conn x3 USB port 1 (MB) USB Port 0 (Sub board) USB port 2 (Sub board) Bluetooth Conn USB port 11 USBx14 3.3V 48MHz HD Audio 3.3V 24MHz SATA x 6 (GEN1 1.5GT/S LS-6583P ODD/B Touch Pad Int.KBD BIOS ROM Clock Generator IDT: 9LRS3199AKLFT SILEGO: SLG8SP587 133/120/100/96/14.318MHZ to
  • Acer Aspire 5742 | Service Guide - Page 17
    Discrete (nVidia) Chapter 1 7
  • Acer Aspire 5742 | Service Guide - Page 18
    Discrete (ATI) 8 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 19
    Your Acer Notebook tour Top View 1 10 2 3 4 9 5 No. 1 2 3 4 5 8 6 Icon Item Integrated webcam Display screen HDD indicator 7 Description Web camera for video communication (only for certain models). Also
  • Acer Aspire 5742 | Service Guide - Page 20
    computer's power status. Battery indicator Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Microphone Internal microphone for sound recording. 2-in-1 card reader Accepts Secure Digital (SD), MultiMediaCard (MMC). Note: Push to
  • Acer Aspire 5742 | Service Guide - Page 21
    45) port HDMI port Connects to a display device (e.g., external monitor, LCD projector). Connects to an Ethernet 10/100/1000based network. Supports high-definition digital video connections. USB 2.0 port Microphone jack Headphone/ speaker/ line-out jack Connect to USB 2.0 devices (e.g., USB mouse
  • Acer Aspire 5742 | Service Guide - Page 22
    button Emergency eject hole Kensington lock slot Description Connect to USB 2.0 devices (e.g., USB mouse, USB camera). Internal optical drive; accepts CDs or DVDs. Internal optical drive; accepts CDs or DVDs. Ejects the optical disc from the drive. Ejects the optical drive tray when the computer is
  • Acer Aspire 5742 | Service Guide - Page 23
    Base view 1 2 4 No. 1 2 3 4 3 Icon Item Battery bay Description Houses the computer's battery pack. Battery release latch Memory compartment Hard disk bay Main Battery lock Releases the battery for removal. Houses the computer's main memory. Houses the computer's hard disk (secured with
  • Acer Aspire 5742 | Service Guide - Page 24
    the computer cover is closed. Icon Function Power Description Indicates the computer's power status. Battery HDD Indicates the computer's battery status. NOTE: 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows green when in AC mode. Indicates
  • Acer Aspire 5742 | Service Guide - Page 25
    Touch Pad Basics The following items show you how to use the TouchPad: 1 2 3 • Move your finger across the TouchPad (1) to move the cursor. • Press the left (2) and right (3) buttons located beneath the TouchPad to perform selection and execution functions. These two buttons are similar to the
  • Acer Aspire 5742 | Service Guide - Page 26
    Using the Keyboard The keyboard has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, function and special keys. Lock Keys and embedded numeric keypad The keyboard has two lock keys which you can toggle on and off. Lock key
  • Acer Aspire 5742 | Service Guide - Page 27
    you are on a network) + < > + : Use the arrow keys to cycle through programs on the taskbar by using Windows Flip 3-D Note: Depending on your edition of Windows 7, some shortcuts may not function as described. Application This key has the same effect as clicking the right mouse button
  • Acer Aspire 5742 | Service Guide - Page 28
    Hot Keys The computer employs hotkeys or key combinations to access most of the computer's controls like screen brightness, volume output and the BIOS utility. To activate hot keys, press and hold the key before pressing the other key in the hotkey combination. Hotkey + + <
  • Acer Aspire 5742 | Service Guide - Page 29
    (L2) for each core • Up to 4-MB shared instruction/data third-level cache (L3), shared among all cores • Mobile Intel® HM55 Express Chipset Processor Specifications Item P6100 CPU Speed 2 GHz Cores 2 Cores/ P6200 2.13 GHz 2 Cores/ i3-350M i3-370M i3-380M i5-460M i5-560M i5-580M 2.26 GHz
  • Acer Aspire 5742 | Service Guide - Page 30
    64 2500 31 70 2700 34 78 3000 37 85 3300 40 SPL Spec Supports memory size per socket 4 GB Supports maximum memory size 8 GB Supports DIMM type Support DDR III 800/1066/1333Mhz SDRAM memory interface design Supports DIMM Speed 800/1066Mhz SDRAM Support DIMM voltage +1.5V Supports
  • Acer Aspire 5742 | Service Guide - Page 31
    slot 1 and slot 2 could be reversed. BIOS Item BIOS vendor Insyde Specification BIOS Version BIOS ROM type BIOS ROM size Support protocol v1.01 SPI Flash (MX25L3205A, MX25L3206A, W25X32A, W25Q32BV, EN25F32, Atmel26DF321) 4MB Support ISIPP Support Acer UI Support multi-boot Suspend to RAM (S3
  • Acer Aspire 5742 | Service Guide - Page 32
    Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification AC7T-A10B 103-US/104-UK keys Yes Plug USB keyboard to the USB port directly: Yes • Phantom key auto detect • Overlay numeric keypad • Support independent pgdn/pgup/pgup/home
  • Acer Aspire 5742 | Service Guide - Page 33
    Bluetooth Interface Item Chipset Data throughput Protocol Interface Connector type Specification Atheros Sampling rate Internal microphone Internal speaker/quantity Specification Realtek ALC272X-GR Built-in Mono Support 16/24bit PCM HD audio Interface Sample rate up to 192Khz resolution VSR (
  • Acer Aspire 5742 | Service Guide - Page 34
    , RMS) Output voltage frequency (KHz) Specification LCD Display Supported Resolution Resolution 16 bits 800x600p/60Hz 16:9 Yes 1024x768p/60Hz 16:9 Yes 1280x600/ ) Item Manufacturer Model Card Type Throughput Supported Services Specification ATI Yes Yes N/A Yes Yes Yes Yes 24 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 35
    support 16/20/24-bit PCM for two independent playback (multiple streaming) • Two stereo ADC supports 16/20/24-bit PCM format for two independent recording • All DACs support for wireless module) Battery Item Vendor & model name Battery Type Pack capacity Number of battery cell Package configuration
  • Acer Aspire 5742 | Service Guide - Page 36
    GB2-128 29 mm x 29 mm Internal PCIE x16 8 bpp(bit per pixel) 64bit Specification Specification ATI Mobility Radeon™ HD 5470 FCBGA 29 mm x 29 -12C/H5TQ1G63BFR-12C-C 1 GB Frame Buffer interface up to 128 bits wide DDR3 800Mhz VRAM Specification Samsung K4W1G1646E-HC12, Hynix H5TQ1G63BFR-12C/
  • Acer Aspire 5742 | Service Guide - Page 37
    Core logic Mobile Intel® HM55 Express Chipset VGA ATI Mobility Radeon™ HD 5470 NVIDIA N11P-GE LAN BCM57780 USB 2.0 Mobile Intel® HM55 Express Chipset Super I/O controller N/A Bluetooth support Specification • 1 x 2 in1 card reader (SD/MMC) • 3 x USB 2.0 port • 1 x HDMI™ port supporting
  • Acer Aspire 5742 | Service Guide - Page 38
    Secure Digital™ (SD) Card, MultiMediaCard™ (MMC), SDHC • Storage cards with adapter: miniSD™, Micro-SD (T-flash), RS-MMC, Mobile-MMC and MMC-micro Supports Maximum size Secure Digital™ Card (SD) 4G Secure Digital High Capacity (SDHC) 32G (UMA only) MultiMediaCard™ (MMC) 32G (UMA only) 28 Chapter
  • Acer Aspire 5742 | Service Guide - Page 39
    color if a wireless device is active • Blue color solid on: system on • Blue color off: system off Charging • Amber solid on - battery charging with AC • Blue color solid on - battery full • Amber blinking - battery abnormal stop charge or batter in low power state Discharging • Amber and blinking
  • Acer Aspire 5742 | Service Guide - Page 40
    30 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 41
    configuration problems, you may need to run Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility BIOS SETUP Utility. Navigating the BIOS Utility There are five menu options: Information, Main, Security, Boot, and Exit. Follow these instructions:
  • Acer Aspire 5742 | Service Guide - Page 42
    Aspire 5742/5742G/5742Z/5742ZG BIOS Information The Information screen displays a summary of the computer hardware information. InsydeH20 Setup Utility Information Main Security Boot Exit Rev. 3.5 CPU Type CPU Speed HDD Model Name: HDD Serial Number: ATAPI Model Name: System BIOS Version: VGA
  • Acer Aspire 5742 | Service Guide - Page 43
    are displayed with 24hour format. Sets the system date. Displays the total memory available. Displays the available memory for Video. Quiet Boot replaces the customary technical messages during POST with a more visually pleasing and comfortable display (OEM Logo screen). Enables, disables the system
  • Acer Aspire 5742 | Service Guide - Page 44
    . The user can not either enter the Setup menu nor change the value of parameters. Press Enter to set the user password. When user password is set, this password protects the BIOS Setup Utility from unauthorized access. The user can enter Setup menu only and does not have right to change the value
  • Acer Aspire 5742 | Service Guide - Page 45
    If desired, you can opt to enable the Password on boot parameter. 5. When you are done, press F10 to save the changes and exit the BIOS Setup Utility. Removing a Password Follow these steps: 1. Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set
  • Acer Aspire 5742 | Service Guide - Page 46
    on boot parameter. 6. When you are done, press F10 to save the changes and exit the BIOS Setup Utility. If the verification is OK, the screen will display as following. Setup Notice Changes have been saved. [Continue] The password setting is complete after the user presses Enter. If the current
  • Acer Aspire 5742 | Service Guide - Page 47
    diskette drives, the onboard hard disk drive and the DVD drive in the module bay. Select Boot Devices to select specific devices to support boot. InsydeH20 Setup Utility Information Main Security Boot Exit Rev. 3.5 Boot priority order: Item Specific Help 1. IDE0: WDC WD 3200BEVT-22A23TO 2. USB
  • Acer Aspire 5742 | Service Guide - Page 48
    Exit The Exit screen allows you to save or discard any changes you made and quit the BIOS Utility. Information Main InsydeH20 Setup Utility Security Boot Exit Rev. 3.5 Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific
  • Acer Aspire 5742 | Service Guide - Page 49
    • Restore a BIOS when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE drivers (XMS, EMS, DPMI) when you use the Flash. NOTE: Please use the AC adaptor power supply when you run the Flash utility. If the battery pack does not contain enough power to finish BIOS
  • Acer Aspire 5742 | Service Guide - Page 50
    F2 during boot to enter the Setup Menu. 2. Select Boot Menu to modify the boot priority order, for example, if using USB HDD to Update BIOS, move USB HDD to position 1. InsydeH20 Setup Utility Information Main Security Boot Exit Boot priority order: Rev. 3.5 Item Specific Help 1. IDE0: WDC WD
  • Acer Aspire 5742 | Service Guide - Page 51
    4. In flash BIOS, the message Please do not remove AC Power Source displays. NOTE: If the AC power is not connected, the Perform the following steps to use the WinFlash Utility: 1. Double-click the WinFlash executable. 2. Click OK to begin the update. A progress screen displays. Chapter 2 41
  • Acer Aspire 5742 | Service Guide - Page 52
    you with details about removing HDD/BIOS password: Remove HDD Password: If you key in the wrong HDD password three times, an error is generated. To reset the HDD password, perform the following steps: 1. After the error is displayed, select the Enter Unlock Password option on the screen. 2. An
  • Acer Aspire 5742 | Service Guide - Page 53
    use a metal instrument to short the RTC_RST point. Cleaning BIOS Passwords To clean the User or Supervisor passwords, perform the following steps: 1. From a DOS prompt, execute clnpwd.exe 2. Press 1 or 2 to clean the desired password shown on the screen. The onscreen message determines whether the
  • Acer Aspire 5742 | Service Guide - Page 54
    Using Boot Sequence Selector The Boot Sequence Selector allows the boot order to be changed without accessing the BIOS. To use Boot Sequence Selector, perform the following steps: 1. Enter into DOS. 2. Execute BS.exe to display the usage screen. 3. Select the desired boot sequence
  • Acer Aspire 5742 | Service Guide - Page 55
    BIOS displays Verifying DMI pool data it is checking that the table correlates with the hardware before sending to the operating system (Windows, etc.). To update dmitools /wu 5). Write Asset Tag to EEPROM Input: dmitools /wa Acer Asstag NOTE: When using any of the Write options, restart the system
  • Acer Aspire 5742 | Service Guide - Page 56
    46 Chapter 2
  • Acer Aspire 5742 | Service Guide - Page 57
    3 Machine Disassembly and Replacement IMPORTANT: The outside housing and color may vary from the mass produced model. This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer
  • Acer Aspire 5742 | Service Guide - Page 58
    Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power
  • Acer Aspire 5742 | Service Guide - Page 59
    whole module must be replaced. The disassembly process is divided into the following stages: • External module disassembly • Main unit disassembly • LCD module disassembly The flowcharts provided in the succeeding disassembly sections illustrate the entire disassembly sequence. Observe the order
  • Acer Aspire 5742 | Service Guide - Page 60
    Flowchart The flowchart below gives you a graphic representation of the external module disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the keyboard, you must first remove the switch board. Screw List Step
  • Acer Aspire 5742 | Service Guide - Page 61
    Pack 1. Turn computer over. Slide the battery lock in the direction shown. 2. Slide and hold the battery release latch in the release position (1), then lift out the battery pack from the main unit (2). 2 1 NOTE: The battery has been highlighted with a yellow oval as shown in the above image. Please
  • Acer Aspire 5742 | Service Guide - Page 62
    Removing the SD Dummy Card NOTE: The model displayed in this service guide may differ in color to the one in your package. 1. See "Removing the Battery Pack" on page 51. 2. Push the SD dummy card all the way in to eject it. 3. Pull it out from the slot. 52 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 63
    Removing the ODD Module 1. See "Removing the Battery Pack" on page 51. 2. Remove the screw securing the ODD module. Step ODD Module Size M2.5*8 Quantity 1 3. Pull the ODD module out from the chassis. Screw Type Chapter 3 53
  • Acer Aspire 5742 | Service Guide - Page 64
    4. Remove the two (2) screws securing the ODD bracket and remove the ODD bracket from the optical disk drive module. Step ODD Bracket Size M2*3 Quantity 2 Screw Type 5. Remove the ODD bezel by prying the top edge away from the module. 54 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 65
    Removing the Logic Lower Door 1. See "Removing the Battery Pack" on page 51. 2. Remove the two (2) screws securing the logic lower door to the lower cover. Step Logic lower door Size M2.5*8 Quantity 2 3. Remove
  • Acer Aspire 5742 | Service Guide - Page 66
    Removing the 3G Cover (Discrete Only) NOTE: Available in discrete models only 1. See "Removing the Battery Pack" on page 51. 2. Remove the one (1) screw securing the 3G cover to the lower cover. Step 3G Cover Size M2.5*8 Quantity 1 Screw Type 3. Remove
  • Acer Aspire 5742 | Service Guide - Page 67
    Removing the RTC Battery (UMA Only) 1. See "Removing the Logic Lower Door" on page 55. 2. Locate the RTC battery. 3. Release the RTC battery from the plastic case using a plastic tool as shown. Chapter 3 57
  • Acer Aspire 5742 | Service Guide - Page 68
    4. Remove the RTC battery from the lower cover as shown. 58 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 69
    Removing the DIMM Module 1. See "Removing the Logic Lower Door" on page 55. 2. Push out the release latches on both sides of the DIMM socket to release the DIMM module. 3. Remove the DIMM module as shown. 4. Repeat steps 2 and 3 for the second DIMM module if present. Chapter 3 59
  • Acer Aspire 5742 | Service Guide - Page 70
    Removing the WLAN Module 1. See "Removing the Logic Lower Door" on page 55. 2. Disconnect the antenna cables from the WLAN module. NOTE: Cable placement is black to the MAIN terminal (closest to the front edge of the computer) and white to the AUX terminal (closest to the rear edge of the computer).
  • Acer Aspire 5742 | Service Guide - Page 71
    4. Detach the WLAN module from the WLAN socket. NOTE: When reattaching the antennas, ensure the cables are tucked into the chassis to prevent damage. Chapter 3 61
  • Acer Aspire 5742 | Service Guide - Page 72
    Removing the HDD module Module 1. See "Removing the Logic Lower Door" on page 55. 2. Using the plastic tab, pull the HDD module to remove it from the connector. 3. Lift the HDD module out of the HDD bay. NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of
  • Acer Aspire 5742 | Service Guide - Page 73
    4. Remove the four (4) screws (two each side) securing the HDD to the carrier. Step HDD Carrier Size M3*3 5. Remove the HDD from the carrier. Quantity 4 Screw Type Chapter 3 63
  • Acer Aspire 5742 | Service Guide - Page 74
    Removing the Keyboard 1. See "Removing the Logic Lower Door" on page 55. 2. Using a flat plastic tool, release the six (6) keyboard locks to remove the keyboard from the upper cover. 3. Pry up the center of the keyboard and lift it up and over to expose the keyboard FPC. 64 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 75
    4. Release the locking latch and disconnect the FPC from the mainboard connector. 5. Lift the keyboard clear of the upper cover. Chapter 3 65
  • Acer Aspire 5742 | Service Guide - Page 76
    Main Unit Disassembly Process Main Unit Disassembly Flowchart Screw List Step Upper Cover Power board Card Reader USB Mainboard Thermal Module (CPU) Thermal Module (VGA) LCD Module 66 Screw M2.5*5 M2*3 M2*3
  • Acer Aspire 5742 | Service Guide - Page 77
    Removing the Upper Cover 1. See "External Module Disassembly Process" on page 50. 2. Turn the computer over. Remove the eleven (11) screws from the lower cover and four (4) screws from the battery bay. Step Upper Cover (red callout) Size M2.5*8 Battery Bay (green callout) M2*3 Quantity 11 4
  • Acer Aspire 5742 | Service Guide - Page 78
    3. Turn the computer over and disconnect the power board FFC (A), microphone cable (B), speaker cable (C), and touch pad FFC (D) from the mainboard. B C A D 4. To release the power board FFC, release the locking latch and pull the cable from the connector. 5. To release the microphone cable,
  • Acer Aspire 5742 | Service Guide - Page 79
    6. To release the speaker cable, pull out the cable from the connector. 7. To release the touch pad FFC, release the locking latch and pull the cable from the connector. NOTE: Avoid pulling on cables directly to prevent damage to the connectors. NOTE: Use the pull-tabs on FFCs where available to
  • Acer Aspire 5742 | Service Guide - Page 80
    8. Remove the seven (7) screws from the upper cover as shown. Step Upper Cover Size M2.5*5 Quantity 7 Screw Type 70 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 81
    9. Starting at the lower right side of the cover, pry apart the upper and lower covers as shown. Work along the front edge of the casing to the left as shown, then lift the upper cover clear of the lower cover. Chapter 3 71
  • Acer Aspire 5742 | Service Guide - Page 82
    Module 1. See "Removing the Upper Cover" on page 67. 2. Locate the speaker module on the upper cover as shown. 3. Release the speaker cable from the guides as shown. 4. To remove the speaker, pull back on the rubber casing with a plastic tool (1) and lift the speaker module out using the thumb and
  • Acer Aspire 5742 | Service Guide - Page 83
    5. Lift the speaker module clear of the device. Chapter 3 73
  • Acer Aspire 5742 | Service Guide - Page 84
    Removing the Power Board 1. See "Removing the Upper Cover" on page 67. 2. Locate the power board FFC on the top side of the upper cover. 3. Remove the power board FFC from the upper cover by grasping the blue sleeve with the thumb and forefinger and pull up until the FFC is free from the adhesive.
  • Acer Aspire 5742 | Service Guide - Page 85
    5. Remove the two (2) screws from the power board. Step Power board Size M2*3 Quantity 2 6. Remove the power board from the upper cover. Screw Type Chapter 3 75
  • Acer Aspire 5742 | Service Guide - Page 86
    Removing the Touch Pad FFC 1. See "Removing the Upper Cover" on page 67. 2. Locate the touch pad board on the upper cover. 3. Remove the adhesive tape covering the touch pad FFC as shown. 4. Grasp the touch pad FFC by the blue sleeve and detach the adhesive securing the cable to the upper cover as
  • Acer Aspire 5742 | Service Guide - Page 87
    5. Release the FFC locking latch and disconnect the FFC from the connector. Chapter 3 77
  • Acer Aspire 5742 | Service Guide - Page 88
    Removing the Card Reader Module (Discrete Only) 1. See "Removing the Upper Cover" on page 67. 2. Locate the card reader module on the lower cover. 3. Remove the adhesive tape covering the card reader FFC as shown. 4. Unlock the USB FFC and disconnect the FFC from the mainboard connector. 78
  • Acer Aspire 5742 | Service Guide - Page 89
    5. Remove the one (1) screw securing the card reader board to the lower cover. Step Card Reader Size M2*3 Quantity 1 6. Remove the card reader module from the lower cover. Screw Type Chapter 3 79
  • Acer Aspire 5742 | Service Guide - Page 90
    Removing the USB Board 1. See "Removing the Upper Cover" on page 67. (UMA Only) 2. See "Removing the Card Reader Module (Discrete Only)" on page 78. (Discrete Only) NOTE: This procedure is necessary for discrete models only. 3. Locate the USB module on the lower cover. 4. Release the FFC locking
  • Acer Aspire 5742 | Service Guide - Page 91
    5. Remove one (1) screw securing the USB board to the lower cover. Step USB Size M2*3 Quantity 1 6. Remove the USB module from the lower cover. Screw Type Chapter 3 81
  • Acer Aspire 5742 | Service Guide - Page 92
    Only) NOTE: This procedure is necessary for discrete models only 3. Locate the Bluetooth module on the lower cover. Discrete UMA NOTE: The location of the Bluetooth module may vary depending on your model. 4. Pry the Bluetooth module from the adhesive as shown. Discrete UMA 82 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 93
    5. Disconnect the Bluetooth cable from the connector as shown. Discrete UMA NOTE: Do not pull directly on the cable itself as this may damage the connection. 6. Remove the Bluetooth module and release the cable from the cable guides as shown. Discrete UMA Chapter 3 83
  • Acer Aspire 5742 | Service Guide - Page 94
    Removing the ODD Connector Board (UMA Only) 1. See "Removing the Upper Cover" on page 67. 2. Unlock and disconnect the ODD FFC from the mainboard. 3. Lift the ODD connector board from the lower cover. 84 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 95
    Removing the Mainboard 1. See "Removing the Upper Cover" on page 67. 2. Locate the LVDS cable on the mainboard. 3. Disconnect the LVDS cable from the mainboard connector. Chapter 3 85
  • Acer Aspire 5742 | Service Guide - Page 96
    4. Remove the one (1) screw securing the mainboard to the lower cover. Step Mainboard Size M2.5*5 Quantity 1 Screw Type 5. Place the LCD module on a clean surface while holding the lower cover with the other hand. Place a protective cover on the LCD panel. 86 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 97
    and disconnect it from the main board connector. 8. Remove the mainboard from the chassis and place it on a clean, flat surface as shown. Locate the Bluetooth cable connection on the mainboard. Chapter 3 87
  • Acer Aspire 5742 | Service Guide - Page 98
    9. Remove the adhesive tape covering the Bluetooth cable and the mainboard connector. 10. Disconnect the Bluetooth cable connector from the mainboard connector. 88 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 99
    Removing the Thermal Module 1. See "Removing the Mainboard" on page 85. 2. Locate the thermal module on the mainboard. 3. Disconnect the fan cable connector from the mainboard connector. Chapter 3 89
  • Acer Aspire 5742 | Service Guide - Page 100
    order from 1 to 6) securing the thermal module to the mainboard. 6 3 2 5 1 4 Step Size Quantity Thermal Module SCREW ASSY CPU 4 (CPU) (red THERMAL callouts) Thermal Module M2.5*5 2 (VGA) (green callouts) 5. Remove the thermal module from the mainboard. Screw Type 90 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 101
    . Place the CPU on a clean, dry surface when it is not installed. 1. See "Removing the Thermal Module" on page 89. 2. Using a flat-bladed screw driver, rotate the CPU locking screw 180° counter-clockwise as shown. 3. Remove the CPU from the socket. NOTE: Circuit boards >10 cm² have been highlighted
  • Acer Aspire 5742 | Service Guide - Page 102
    cover over the LCD panel. Close the lower cover so that it is laying flat against the LCD module. Remove the antenna cables from the guides as shown. 3. Raise the lower cover so that it is at a 90° angle to the LCD panel. Pull the antenna cables from the through upper
  • Acer Aspire 5742 | Service Guide - Page 103
    5. Release the black and white antenna cables from the guidelines. 6. Continue removing the white antenna cable from the cable guidelines. 7. Remove the adhesive tape from the microphone and black antenna cables. NOTE: This image shows the discrete model. Chapter 3 93
  • Acer Aspire 5742 | Service Guide - Page 104
    8. Release the microphone cable and the black antenna cable (discrete model only) from the guidelines as shown Discrete UMA NOTE: The discrete model displays the microphone cable as grey and the antenna cable as black. 9. Continue removing the black antenna cable from the lower cover (UMA model
  • Acer Aspire 5742 | Service Guide - Page 105
    Step LCD Module Size M2.5*5 Quantity 4 11. Remove the LCD assembly from the lower cover. Screw Type Chapter 3 95
  • Acer Aspire 5742 | Service Guide - Page 106
    Removing the DC-In Assembly 1. See "Removing the LCD Module" on page 92. 2. Locate the DC-In assembly on the lower cover. 3. Remove the DC-In cable protective box from the lower cover. 4. Pry the DC-In assembly from the lower cover and remove it using a plastic tool. 96 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 107
    LCD Module Disassembly Process LCD Module Disassembly Flowchart Screw List Step LCD Bezel LCD Brackets (top) LCD Hinges Inverter Module LCD Brackets (side) Screw M2.5*6 M2.5*5 M2.5*5 M2.5*5 M2*3 Quantity 2 2 2 1 6 Part No.
  • Acer Aspire 5742 | Service Guide - Page 108
    Removing the LCD Bezel 1. See "Main Unit Disassembly Process" on page 66. 2. Remove the two (2) bezel screw caps and two (2) screws securing the bezel to the LCD module. Step LCD Bezel Size M2.5*6
  • Acer Aspire 5742 | Service Guide - Page 109
    4. Remove the bezel from the LCD module. Chapter 3 99
  • Acer Aspire 5742 | Service Guide - Page 110
    Removing the CCD Module 1. See "Removing the LCD Bezel" on page 98. 2. Locate the camera module at the top of the LCD module 3. Disconnect CCD cable connector from the CCD module. 4. Remove the CCD module from the adhesive foil on the LCD module. 100 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 111
    Removing the Inverter Module (LCD Only) 1. See "Removing the LCD Bezel" on page 98. 2. Locate the inverter module on the LCD module. 3. Remove the adhesive tape covering the power cable. 4. Remove the one (1) screw securing the inverter module to the LCD cover. Step Inverter Module Size M2.5*5
  • Acer Aspire 5742 | Service Guide - Page 112
    5. Remove the LVDS cable from the LCD cover guidelines. 6. Place a plastic tool under one end of the inverter module and pry upwards (1). Pull the inverter module away from the LCD cover adhesive strip(2). 2 1 7. Disconnect the power cable connector from the inverter module connector. 102 Chapter
  • Acer Aspire 5742 | Service Guide - Page 113
    8. Disconnect the LVDS cable connector from the inverter module connector. Chapter 3 103
  • Acer Aspire 5742 | Service Guide - Page 114
    Removing the LCD/LED Panel 1. See "Removing the LCD Bezel" on page 98. 2. Remove the four (4) screws securing the LCD panel to the LCD cover. Step LCD Brackets Size M2.5*5 LCD Hinges M2.5*5 Quantity 2 2 Screw Type 3. Grasp the CCD cable protector box with a plastic tool and pull up to remove
  • Acer Aspire 5742 | Service Guide - Page 115
    4. Pull up the LVDS cable to release it from the LCD cover guidelines. 5. Remove the LCD panel from the LCD cover and lay it glass-side up on a flat, clean surface. Chapter 3 105
  • Acer Aspire 5742 | Service Guide - Page 116
    Removing the LCD Brackets 1. See "Removing the LCD/LED Panel" on page 104. 2. Remove the six (6) screws (three on each side) securing the LCD brackets to the LCD panel. Step LCD Brackets Size M2*3 Quantity 6 Screw Type 3. Lay the LCD panel on a flat, clean surface. Pull away the brackets to
  • Acer Aspire 5742 | Service Guide - Page 117
    Removing the LVDS Cable 1. See "Removing the LCD/LED Panel" on page 104. 2. Remove the LVDS cable from the back of the panel. LCD LED 3. Peel back the mylar securing the LVDS cable. LCD LED 4. Disconnect the LVDS cable and remove it from the panel. LCD LED Chapter 3 107
  • Acer Aspire 5742 | Service Guide - Page 118
    Removing the Microphone Cable 1. See "Removing the LCD/LED Panel" on page 104. 2. Remove the cable bundle from the hinge channel. 3. Peel back the foil tabs and remove the microphone cable from the cable channel. 4. Lift the microphone set clear of the panel. 108 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 119
    5. Lift the microphone set clear of the panel. Chapter 3 109
  • Acer Aspire 5742 | Service Guide - Page 120
    the LCD/LED Panel" on page 104. 2. Peel back the foil tabs securing the antenna to the LCD cover. 3. Remove the cable from the cable guides. 4. Using a flat plastic tool, pry the antenna assembly clear of the device. 5. Repeat steps 2 through 4 for the white antenna cable. 110 Chapter
  • Acer Aspire 5742 | Service Guide - Page 121
    LCD Module Reassembly Procedure Replacing the Antennas 1. Adhere the black (right side) antenna assembly to the LCD cover. 2. Run the cable along the cable channel and fold over the foil
  • Acer Aspire 5742 | Service Guide - Page 122
    assembly on the LCD cover. 2. Run the microphone cable along the cable channel outlined in red callouts. IMPORTANT: Ensure that the LCD cable runs between the callouts to avoid trapping when the panel is replaced in the LCD Module. 3. Fold over the foil tabs to secure the microphone cable to
  • Acer Aspire 5742 | Service Guide - Page 123
    4. Replace the adhesive tape securing the microphone cable and the antenna together. Chapter 3 113
  • Acer Aspire 5742 | Service Guide - Page 124
    Replacing the LVDS Cable 5. Place the LVDS cable onto the back of the panel. LCD LED 6. Connect the LVDS cable to the panel LCD LED 7. Replace the mylar to secure the LVDS cable. LCD LED 114 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 125
    Replacing the LCD Brackets 1. Replace the LCD brackets to the LCD Panel. 2. Replace the six (6) screws (three on each side) securing LCD Panel brackets to the LCD panel. Step LCD Brackets M2*3 Size Quantity 6 Screw Type Chapter 3 115
  • Acer Aspire 5742 | Service Guide - Page 126
    Replacing the LCD/LED Panel 1. Place the LCD Panel in the LCD cover. 2. Run the cable along the channel in the LCD module as shown. 3. Apply the adhesive strip to hold the cable in place. 116 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 127
    4. Replace the four (4) screws securing the LCD panel to the LCD cover. Step LCD Brackets (top) LCD Hinges Size M2.5*5 M2.5*5 Quantity 2 2 Screw Type Replacing the Inverter Board 1. Connect the LVDS cable connector to the inverter module connector. Chapter 3 117
  • Acer Aspire 5742 | Service Guide - Page 128
    2. Connect the power cable connector to the inverter module connector. 3. Place the inverter module onto the LCD cover and secure one (1) screw to the LCD cover. Step Inverter Module Size M2.5*5 Quantity 1 Screw Type 118 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 129
    Replacing the CCD Module 1. Place the CCD in the LCD module. 2. Connect the CCD cable. Chapter 3 119
  • Acer Aspire 5742 | Service Guide - Page 130
    Replacing the LCD Bezel 1. Replace the bezel and press down until there are no gaps between the bezel and the LCD cover. IMPORTANT: Ensure that the LCD cables pass through
  • Acer Aspire 5742 | Service Guide - Page 131
    Main Module Assembly Procedure Replacing the DC-In Assembly 1. Place the DC-In assembly into the lower cover. 2. Place the DC-In cable into the lower cover as shown. Chapter 3 121
  • Acer Aspire 5742 | Service Guide - Page 132
    Replacing the LCD Module 1. Place the LCD assembly on the lower cover. 2. Secure the LCD assembly using four (4) screws. Step LCD Module Size M2.5*5 Quantity 4 Screw Type 122 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 133
    3. Place the black antenna cable into the cable guides. Discrete UMA 4. Place the microphone cable into the cable guides as shown. Discrete UMA 5. Replace the adhesive tape to secure the cable to the chassis. NOTE: This image shows the discrete model. Chapter 3 123
  • Acer Aspire 5742 | Service Guide - Page 134
    6. Run the white antenna cable along the cable channel as shown. 7. Continue running the black and white antenna cables along the cable channel. 8. Place the adhesive tape over the antenna cables to adhere the cables to the lower cover. 124 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 135
    surface and place a protective cover over the LCD panel. Pass the black and white antenna cables through the lower cover and secure in the guides. Replacing the CPU IMPORTANT: The CPU has a Pin1 locator that must be positioned corresponding to the marker on the CPU socket. 1. Place the CPU into
  • Acer Aspire 5742 | Service Guide - Page 136
    2. Using a flat-bladed screw driver, rotate the CPU locking screw 180° clockwise to secure the CPU in place. 126 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 137
    thermal grease and ensure all heat pads are in place before replacing the thermal module. The following thermal grease types are approved for to the centre of the CPU-there is no need to spread the grease manually, the force used during the installation of the thermal module is sufficient. 3. Align
  • Acer Aspire 5742 | Service Guide - Page 138
    4. Replace the six (6) screws (in numerical reverse order from 6 to 1) securing the thermal module to the mainboard. 6 3 2 5 1 4 Step Size Quantity Thermal Module SCREW ASSY CPU 4 (CPU) (red THERMAL callouts) Thermal Module M2.5*5 2 (VGA) (green callouts) Screw Type 128 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 139
    Replacing the Mainboard 1. Connect the Bluetooth cable connector to the mainboard connector. 2. Adhere the adhesive tape covering the Bluetooth cable to the mainboard connector. 3. Place a protective cover on the LCD panel and the mainboard on the protective surface. Chapter 3 129
  • Acer Aspire 5742 | Service Guide - Page 140
    4. Connect the DC-In power cable to the mainboard connector. 5. Place the mainboard in the chassis. 130 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 141
    6. Replace the one (1) screw securing the mainboard to the lower cover. Step Mainboard Size M2.5*5 Quantity 1 7. Place the LVDS cable and the DC-IN cable into the cable guide. Screw Type Chapter 3 131
  • Acer Aspire 5742 | Service Guide - Page 142
    8. Connect the LVDS cable to the mainboard. 132 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 143
    Replacing the ODD Connector Board (UMA Only) 1. Place the ODD connector board into the lower cover using the board pin. 2. Connect the ODD FFC to the mainboard and lock the connector. Chapter 3 133
  • Acer Aspire 5742 | Service Guide - Page 144
    Replacing the Bluetooth Board 1. Place the Bluetooth cable into the cable guides. Discrete UMA 2. Connect the Bluetooth cable to the Bluetooth module. Discrete UMA 3. Place the Bluetooth board onto the adhesive. Discrete UMA 134 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 145
    Replacing the USB Board 1. Place the USB board in the device. NOTE: The location of the bluetooth module may vary depending on your model. 2. Secure the one (1) screw on the USB board. Step USB Board Size M2*3 Quantity 1 Screw Type Chapter 3 135
  • Acer Aspire 5742 | Service Guide - Page 146
    3. Adhere the FFC to the lower cover. 4. Connect the USB cable to the mainboard and lock the connector. 136 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 147
    Replacing the Card Reader Board (Discrete Only) 1. Place the card reader board in the device. 2. Secure one (1) screw on the card reader board. Step Card Reader Board Size M2*3 3. Adhere the FFC to the lower cover Quantity 1 Screw Type Chapter 3 137
  • Acer Aspire 5742 | Service Guide - Page 148
    4. Connect the card reader cable and lock the connector. 5. Replace both pieces of adhesive tape to secure the FCC to the lower cover. 138 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 149
    Replacing the Touchpad FFC 1. Connect the touchpad FFC to the connector and lock the FFC locking latch. 2. Gently press on the FFC to adhere the cable to the upper cover 3. Replace the adhesive tape to secure the touchpad FFC. Chapter 3 139
  • Acer Aspire 5742 | Service Guide - Page 150
    upper cover over and gently press down on the FFC to secure it to the upper cover. 2. Place the power board onto the upper cover. 3. Replace two (2) screws to the power board. Step Power board Size M2*3 Quantity 2 140 Screw Type Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 151
    Replacing the Speaker Module 1. Place the speaker module onto the upper cover. 2. Place the speaker module cable into the cable guides as shown. Chapter 3 141
  • Acer Aspire 5742 | Service Guide - Page 152
    Replacing the Upper Cover 1. Place the upper cover on the lower cover as shown and apply pressure around the edges to secure the locking latches as shown. 142 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 153
    2. Connect the power board FFC (A), microphone cable (B), speaker cable (C), and touch pad FFC (D) to the mainboard. B C A D 3. To connect and lock the power board FFC (A) to the mainboard connector. 4. Connect the microphone cable to the mainboard connector. Chapter 3 143
  • Acer Aspire 5742 | Service Guide - Page 154
    5. Connect the speaker cable to the mainboard connector. 6. Connect and lock the touch pad FFC to the mainboard connector. 144 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 155
    . Step Upper Cover Size M2.5*5 Quantity 7 Screw Type 8. Turn the computer over. Replace the ten (11) screws on the lower cover and four (4) screws on the battery bay. Step Upper Cover (red callout) Size M2.5*8 Battery Bay (green callout) M2*3 Quantity 11 4 NOTE: The lower cover may vary
  • Acer Aspire 5742 | Service Guide - Page 156
    Replacing the RTC Battery (UMA Only) 1. Place the RTC battery into the mainboard connector. 146 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 157
    Replacing the HDD Module 1. Place the HDD in the HDD carrier. 2. Replace the four (4) screws (two each side) to secure the carrier. Step HDD Carrier M3*3 Size Quantity 4 3. Insert the HDD module, as indicated and lower it into place. Screw Type Chapter 3 147
  • Acer Aspire 5742 | Service Guide - Page 158
    4. Slide the HDD module in the direction of the arrow to connect the interface. 148 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 159
    Replacing the WLAN Module 1. Insert the WLAN Module into the WLAN socket. 2. Replace the one (1) screw to secure the module. Step WLAN Module Size M2*3 Quantity 1 Screw Type Chapter 3 149
  • Acer Aspire 5742 | Service Guide - Page 160
    3. Connect the two (2) antenna cables to the module. NOTE: Cable placement is black to the MAIN terminal (closest to the front edge of the computer) and white to the AUX terminal (closest to the rear edge of the computer). 150 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 161
    Replacing the DIMM Modules 1. Insert the DIMM module in place. 2. Press down to lock the DIMM module in place. 3. Repeat steps for the second DIMM module if present. Chapter 3 151
  • Acer Aspire 5742 | Service Guide - Page 162
    Replacing the 3G Cover (Discrete Only) 1. Line up the left edge of the 3G cover with the device, before replacing completely. 2. Replace one (1) screw on the 3G Cover. Step 3G Cover Size M2.5*8 Quantity 1 Screw Type 152 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 163
    Replacing the Lower Logic Door 1. Replace the lower logic door by first lining up the bottom edge and lowering the door into place. 2. Secure two (2) screws on the lower logic door. Step Logic lower door Size M2.5*8 Quantity 2 Screw Type Chapter 3 153
  • Acer Aspire 5742 | Service Guide - Page 164
    Replacing the ODD Module 1. Press the bezel into the tray, bottom edge first, to secure it to the ODD module. 2. Place the bracket on the ODD module. 3. Secure the ODD bracket with the two (2) screws. Step ODD Bracket M2*3 Size 154 Quantity 2 Screw Type Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 165
    4. Push the ODD module into the ODD bay until it is flush with the casing. 5. Replace the one (1) screw to secure the module. Step ODD Module Size M2.5*8 Quantity 1 Screw Type Chapter 3 155
  • Acer Aspire 5742 | Service Guide - Page 166
    Replacing the Keyboard 1. Place the keyboard face down on the palm rest. 2. Connect the keyboard FFC to the mainboard and close the locking latch to secure the cable in place. 3. Replace the keyboard by first lining up the bottom edge. Press down firmly to lock. 156 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 167
    Replacing the SD Dummy Card 1. Insert the SD Dummy Card into the slot as shown. 2. Push until the card clicks into place and is flush with the casing. Chapter 3 157
  • Acer Aspire 5742 | Service Guide - Page 168
    Replacing the Battery 1. Slide and hold the battery release latch to the release position (1), insert the battery pack and press down (2). 1 2 2. Slide the battery lock in the direction shown to secure the battery in place. 158 Chapter 3
  • Acer Aspire 5742 | Service Guide - Page 169
    Troubleshooting Chapter 4 Common Problems Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, If the Issue is still not resolved, see "Online Support Information" on page 279. Chapter 4 159
  • Acer Aspire 5742 | Service Guide - Page 170
    the problem. Do not replace a non-defective FRUs: Computer Shutsdown Intermittently If the system powers off at intervals, perform the following actions one at a time to correct the problem. 1. 7. If the Issue is still not resolved, see "Online Support Information" on page 279. 160 Chapter 4
  • Acer Aspire 5742 | Service Guide - Page 171
    problem. Do not replace a non-defective FRU: No POST or Video If the POST or video doesn't display, perform the following actions one at a time to correct the problem removing the power cable and battery and holding down the power including port replicators or docking stations. Remove any memory
  • Acer Aspire 5742 | Service Guide - Page 172
    screen), the LCD is faulty and should be replaced. See "Disassembly Process" on page 49. 4. Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. NOTE: Ensure that the computer is not running on battery alone as this may reduce display brightness. If
  • Acer Aspire 5742 | Service Guide - Page 173
    If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace a nondefective FRU: Internal Keyboard Failure If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: Chapter 4 163
  • Acer Aspire 5742 | Service Guide - Page 174
    Pad doesn't work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: 164 Chapter 4
  • Acer Aspire 5742 | Service Guide - Page 175
    installed. • There are no red Xs or yellow exclamation marks. • There are no device conflicts. • No hardware is listed under Other Devices. 3. Roll back the audio driver to the previous version, if updated recently. 4. Remove and reinstall the audio driver. 5. Ensure that all volume controls
  • Acer Aspire 5742 | Service Guide - Page 176
    perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: Microphone Problems If internal or external Microphones do no operate correctly, perform the . 8. If the Issue is still not resolved, see "Online Support Information" on page 279. 166 Chapter 4
  • Acer Aspire 5742 | Service Guide - Page 177
    USB Failure (Right side) If the USB (right side) fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: Chapter 4 167
  • Acer Aspire 5742 | Service Guide - Page 178
    issue is discovered, follow the onscreen information to resolve the problem. 4. Run the Windows Memory Diagnostic Tool. For more information see Windows Help and Support. 5. Restart the computer and press F2 to enter the BIOS Utility. Check the BIOS settings are correct and that CD/DVD drive is set
  • Acer Aspire 5742 | Service Guide - Page 179
    perform the following actions one at a time to correct the problem. Do not replace a nondefective FRUs: ODD Not Operating Correctly If the ODD • Optical drive not found or not active: • Not shown in My Computer or the BIOS setup • LED does not flash when the computer starts up • The tray does not
  • Acer Aspire 5742 | Service Guide - Page 180
    an exclamation mark, right-click on the device and uninstall and reinstall the driver. d. Check that there are no yellow exclamation marks against the items in 's user manual. Playback is Choppy If playback is choppy or jumps, perform the following actions one at a time to correct the problem. 1.
  • Acer Aspire 5742 | Service Guide - Page 181
    Windows cannot detect the drive, perform the following actions one at a time to correct the problem. 1. Restart the computer and press F2 to enter the BIOS cable should be replaced. 4. Reseat the drive ensuring and all cables are connected correctly. 5. Replace the ODD. See "Disassembly Process" on
  • Acer Aspire 5742 | Service Guide - Page 182
    If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a nondefective FRU: Bluetooth Function Test Failure If Bluetooth fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: 172 Chapter 4
  • Acer Aspire 5742 | Service Guide - Page 183
    If the 2 in 1 card fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU: Thermal Unit Failure If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRU. Chapter 4 173
  • Acer Aspire 5742 | Service Guide - Page 184
    and Support. 10. Roll back the mouse driver to the previous version if updated recently. 11. Remove and reinstall the mouse driver. 12. Check the Device Manager to determine that: • The device is properly installed. There are no red Xs or yellow exclamation marks. • There are no device conflicts
  • Acer Aspire 5742 | Service Guide - Page 185
    Other Failures If the CRT Switch, Dock, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or Volume Wheel fail, perform the following general steps to correct the problem. Do not replace a non-defective FRU: 1. Check Drive whether is OK. 2. Check Test Fixture is ok. 3. Swap
  • Acer Aspire 5742 | Service Guide - Page 186
    non-defective FRU). NOTE: Verify that all attached devices are supported by the computer. NOTE: Verify that the power supply being used problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery
  • Acer Aspire 5742 | Service Guide - Page 187
    RAM PCIE MMIO Base Address initial CPU Generic MSR initialization Setup CPU speed Cache as RAM test Tune CPU frequency ratio to maximum level Setup BIOS ROM cache Enter Boot Firmware Volume Chapter 4 177
  • Acer Aspire 5742 | Service Guide - Page 188
    completed Start Flash BIOS with Recovery image Loading BIOS image to RAM Loading DXE core Enter DXE core DXE Phase POST initialization Setup Reset service South bridge Serial GPIO initialization Setup SMM ACCE SS service Super I/O DXE initialization Setup Legacy Region service Identify Flash device
  • Acer Aspire 5742 | Service Guide - Page 189
    Multi-processor MiddleInitialization SMBUS Driver Initialization 8259 Initialization RTC Initialization SATA Controller earlyInitialization Setup SMM Control service Setup Legacy Interrupt service Relocate SMM BASE SMI test VTD Initial Legacy BIOS Initialization Legacy interrupt function
  • Acer Aspire 5742 | Service Guide - Page 190
    24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 Description SIO controller initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get boot device information End of boot
  • Acer Aspire 5742 | Service Guide - Page 191
    Functionality Name (Include\ PostCode.h) S3_MEMORY_CALLBACK S3_ENTER_S3_RESUME_PEIM S3_BEFORE_ACPI_BOOT_SCRIPT S3_BEFORE_RUNTIME_BOOT_SCRIPT S3_BEFORE_RELOCATE_SMM_BASE S3_BEFORE_MP_INIT S3_BEFORE_RESTORE_ACPI_CALLBACK S3_AFTER_RESTORE_ACPI_CALLBACK S3_GO_TO_FACS_WAKING_VECTOR Phase PEI PEI PEI PEI
  • Acer Aspire 5742 | Service Guide - Page 192
    SMM SMM SMM SMM SMM SMM Post Code 0xA0 0xA2 0xA6 0xA7 0xA1 0xA3 0xA4 0xA5 0xA8 0xA9 Description Identify Flash device in SMM SMM service initial OS call ACPI enable function ACPI enable function complete Enter S1 Enter S3 Enter S4 Enter S5 OS call ACPI disable function ACPI disable
  • Acer Aspire 5742 | Service Guide - Page 193
    SW1/SW2 LED1/LED2 LED3/LED4 JCR1 Description Connect to Touch pad (FFC) Connect to USB Board (FFC) Left button / Right button Power State Indicator Battery Charging Indicator Connect to SD/MMC card Chapter 1 183
  • Acer Aspire 5742 | Service Guide - Page 194
    Discrete (nVidia) Item JLVDS1 JSPK2 LED2/ LED4 JKB1 JTP1 JUSB2 Description Connect to LED / CCFL Panel Connect to Left Speaker Battery Charging Indicator Connect to Keyboard Connect to Touch pad (FFC) Connect to Power USB Board (FFC) Item JCR1 JLED1 JLED2 JP1 SW2/SW3 LED1/LED3
  • Acer Aspire 5742 | Service Guide - Page 195
    LED2/LED4 Description Connect to Powerboard (FFC)(PEW51) Connect to Powerboard (FFC)(PEW71/PEW91) Connect to internal MIC Left button / Right button Power State Indicator Battery Charging Indicator Chapter 1 185
  • Acer Aspire 5742 | Service Guide - Page 196
    View UMA Item PJP2 PJP1 JDIMM1/ JDIMM2 JCRT1 JRJ45 JHDMI1 JMINI1 JUSB1 Description Connect to Battery DC-IN jack DDR3 memory socket Connect to external CRT RJ45 LAN HDMI connector Connect to Connect to BT Connect to SATAHDD Connect to FAN CPU socket Connect to RTC battery PCH 186 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 197
    Discrete (nVidia) Item PJP2 PJP1 JDIMM1/ JDIMM2 JCRT1 JRJ45 JHDMI1 JMINI1 JUSB1 JMIC1 Description Connect to Battery DC-IN jack DDR3 memory socket Connect to external CRT RJ45 LAN HDMI connector Connect to WLAN USB connector Connect to external microphone Item JHP1
  • Acer Aspire 5742 | Service Guide - Page 198
    Discrete (ATI) Item PJP2 PJP1 JDIMM1/ JDIMM2 JCRT1 JRJ45 JHDMI1 JMINI1 JUSB1 JMIC1 Description Connect to Battery DC-IN jack DDR3 memory socket Connect to external CRT RJ45 LAN HDMI connector Connect to WLAN USB connector Connect to external microphone Item JHP1
  • Acer Aspire 5742 | Service Guide - Page 199
    USB/B Board UMA ITEM JUSB1/JUSB2 Discrete (nVidia) DESCRIPTION USB Connector ITEM JUSB1/JUSB2 DESCRIPTION USB Connector Chapter 1 189
  • Acer Aspire 5742 | Service Guide - Page 200
    Discrete (ATI) ITEM JUSB1/JUSB2 Power Board UMA DESCRIPTION USB Connector Item LED1 LED2 TOP Description PEW71/91 ON/OFF LED PEW71/91 MEDIA LED Item LED3 SW1 BOTTOM Description PEW71/91 WLAN LED PEW71/91 Power BTN 190 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 201
    Discrete (nVidia) Item LED1 LED4 LED6 LED10 Description PEW71/91 ON/OFF LED PEW71/91 MEDIA LED PEW51 MEDIA LED PEW71/91 WLAN LED Item LED11 LED12 SW1 Description PEW51 Power LED PEW51 WLAN LED PEW71/91 Power BTN Chapter 1 191
  • Acer Aspire 5742 | Service Guide - Page 202
    Discrete (ATI) Item LED1 LED4 LED6 SW1 Description PEW71/91 ON/OFF LED PEW71/81/91 MEDIA LED PEW51 MEDIA LED PEW71/91 Power BTN Item LED10 LED11 LED12 Description PEW71/91 WLAN LED PEW51 Power LED PEW51 WLAN LED 192 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 203
    CR/B Board Discrete (nVidia) Discrete (ATI) ITEM JREAD1 DESCRIPTION Card reader connector ITEM JREAD2 DESCRIPTION Card reader connector Chapter 1 193
  • Acer Aspire 5742 | Service Guide - Page 204
    ODD Board UMA ITEM JODD2 ODD connector DESCRIPTION 194 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 205
    during systems POST or when systems enter to BIOS Setup menu. However, once it is necessary to bypass the password check, users need to short the HW Gap to clear the password by the following steps: 1. Power Off the system, and remove HDD, AC and Battery from the machine. 2. Disconnect the RTC
  • Acer Aspire 5742 | Service Guide - Page 206
    Discrete (nVidia) Discrete (ATI) Item R671/R675 Description Clear CMOS Jumper Item R671/R675 Description Clear CMOS Jumper 196 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 207
    the system will force the BIOS to enter a special BIOS block, called Boot Block. Steps for BIOS Recovery from USB Storage: Before doing this, prepare the Crisis USB key. The Crisis USB key could be made by executing the Crisis Disk program in another system with Windows XP OS. Follow the steps below
  • Acer Aspire 5742 | Service Guide - Page 208
    198 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 209
    chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 5741/5741G. Refer to this chapter whenever made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those
  • Acer Aspire 5742 | Service Guide - Page 210
    Aspire Exploded Diagrams Main Assembly UMA 4 1 2 3 5 No. Description 1 FAN-UMA 2 THERMAL MODULE- UMA W/O FAN 3 MAINBOARD Acer P/N 23.R4F02.001 60.R4F02.006 MB.R4L02.001 No. Description 4 UPPER CASE ASSY 5 LOWER CASE-UMA Acer P/N 60.R4F02.001 60.R4F02.002 200 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 211
    3 1 2 4 5 6 No. Description 1 THERMAL MODULE- DIS PARK W/FAN 2 MAINBOARD 3 UPPER CASE ASSY Acer P/N 60.R5202.003 MB.R5402.001 60.R5202.001 No. Description 4 USB BOARD-DIS 5 CARD READER BOARD-DIS 6 LOWER CASE Acer P/N 55.R5202.003 55.R5202.002 60.R5202.002 Chapter 1 201
  • Acer Aspire 5742 | Service Guide - Page 212
    . Description 1 UNILOAD DOOR-UMA Discrete Acer P/N 42.R4F02.001 No. Description 2 LOWER CASE-UMA 3 Acer P/N 60.R4F02.002 1 2 No. Description 1 UNILOAD DOOR-DIS 2 LOWER CASE Acer P/N 42.R5202.001 60.R5202.002 No. Description 3 3G DOOR-DIS Acer P/N 42.R5202.002 202 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 213
    2 6 7 No. Description 1 CAMERA 1.3M 2 LCD BRACKET R&L 3 LCD BEZEL FOR W/ CMOS 4 CCFL LCD Acer P/N 57.R4F02.001 33.R4F02.003 60.R4F02.005 LK.1560D.013 No. Description 5 LCD CABLE FOR W/ CMOS 6 INVERTER 7 LCD COVER Acer P/N 50.R4F02.007 19.R4F02.001 60.R4F02.003 Chapter 1 203
  • Acer Aspire 5742 | Service Guide - Page 214
    6 2 7 No. Description 1 CAMERA 1.3M 2 LED BRACKET L 3 LCD BEZEL FOR W/ CMOS 4 LED LCD Acer P/N 57.R4F02.001 33.R4F02.004 60.R4F02.005 LK.15606.009 No. Description 5 LED CABLE FOR W/ CMOS 6 LED BRACKET R 7 LED COVER Acer P/N 50.R4F02.009 33.R4F02.004 60.R4F02.004 204 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 215
    Aspire FRU List Category ADAPTER BATTERY BOARD Description ADAPTER DELTA 65W 19V 1.7X5. ID:AS10D73 BATTERY SIMPLO AS10D LI-ION 3S2P SAMSUNG 6 CELL 4400MAH MAIN COMMON ID:AS10D FOXCONN BLUETOOTH BRM 2046 BT3.0 (T60H928.33) F/W:861 FOXCONN BLUETOOTH ATH AR3011 (BT3.0) FOXCONN BLUETOOTH BRM 2070
  • Acer Aspire 5742 | Service Guide - Page 216
    Category CABLE Description CARD READER BOARD-DIS P/N 55.R5202.002 USB BOARD-UMA 55.R4F02.002 USB BOARD-DIS 55.R5202.003 ODD BOARD-UMA 55.R4F02.003 FOXCONN WIRELESS LAN BROADCOMM 43225 2X2 BGN (HM) T77H103.00 FOXCONN WIRELESS LAN ATHEROS HB97 2X2 BGN (HM) FOXCONN WIRELESS LAN ATHEROS HB97
  • Acer Aspire 5742 | Service Guide - Page 217
    POWER CORD SOUTH AFRICA 3 PIN POWER CORD KOREA 3 PIN POWER CORD ISRAEL 3 PIN POWER CORD INDIA 3 PIN POWER CORD TWN 3 PIN POWER CORD ARGENTINA 3 PIN POWER CORD 3 PIN BRAZIL , INCL.TP - DIS, BLACK UPPER CASE ASSY, INCL.TP - DIS, RED UPPER CASE ASSY, INCL.TP - DIS, BROWN LOWER CASE-UMA P/N 27.
  • Acer Aspire 5742 | Service Guide - Page 218
    26G 35W ARRANDALE, TJ90, VT, 3M L3 CPU INTEL CORE I3 370M PGA 2.4G 35W K-0 TJ90, VT CPU INTEL CORE I3 380M PGA 2.53G 35W K-0 TJ90, VT CPU INTEL CORE I5 460M PGA 2.53G 35W K-0 CPU INTEL CORE I5 560M PGA 2.66G 35W K-0 TURBO BOOST 3.20/2.93 CPU INTEL CORE I5 580M PGA 2.66G 35W K-0 TURBO BOOST 3.33/3.06
  • Acer Aspire 5742 | Service Guide - Page 219
    Category HDD/HARD DISK DRIVE Description P/N HDD SEAGATE 2.5" 5400RPM 160GB ST9160314AS,9HH13C-189, SEAGATE(NEW PCB) SATA 8MB LF F/W:0001SDM1 HDD HGST 2.5" 5400RPM 160GB HTS545016B9A300 PANTHER B SATA LF F/W:C60F DISK IMBALANCE CRITERIA = 0.014G-CM HDD WD 2.5" 5400RPM 160GB WD1600BEVT22A23T0, WD,
  • Acer Aspire 5742 | Service Guide - Page 220
    AC7T_A10B AC7T Internal 17 Standard 104KS Black UK Texture Keyboard ACER AC7T_A10B AC7T Internal 17 Standard 104KS Black German Texture Keyboard ACER AC7T_A10B AC7T Internal 17 Standard 104KS Black Swiss/G Texture Keyboard ACER AC7T_A10B AC7T Internal 17 Standard 104KS Black Belgium Texture Keyboard
  • Acer Aspire 5742 | Service Guide - Page 221
    ACER AC7T_A10B AC7T Internal 17 Standard 103KS Black Korean Texture P/N KB.I170A.165 KB.I170A.150 KB.I170A.149 KB.I170A.159 KB.I170A.160 ODD BD COMBO MODULE ODD SONY BD COMBO 12.7MM TRAY DL 4X BC5540H LF+HF W/O BEZEL SATA (HF + WINDOWS SOLUTION + PCC LD (HF + WINDOWS 7) ODD BRACKET 6M.R4F02.006 KU
  • Acer Aspire 5742 | Service Guide - Page 222
    Category Description LCD COVER IMR-BLACK LCD BEZEL FOR W/CMOS P/N 60.R4F02.003 60.R4F02.005 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LCD CABLE FOR W/CMOS LCD BRACKET R&L 50.R4F02.007 33.R4F02.003 CAMERA 1.3M 57.R4F02.001 INVERTER 19.R4F02.001 CCFL LCD CMO 15.6"W
  • Acer Aspire 5742 | Service Guide - Page 223
    Category Description LCD BEZEL FOR W/CMOS P/N 60.R4F02.005 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LCD CABLE FOR W/CMOS LCD BRACKET R&L 50.R4F02.007 33.R4F02.003 CAMERA 1.3M 57.R4F02.001 INVERTER 19.R4F02.001 CCFL LCD CMO 15.6"W WXGA GLARE N156B3-L0B LF 200NIT
  • Acer Aspire 5742 | Service Guide - Page 224
    .6"W WXGA GLARE LP156WH1TLC1 LF 220NIT 16MS 400:1 LK.1560D.013 LK.15606.001 LK.15608.013 ASSY LCD MODULE 15.6"W WXGA GLARE W/ ANTENNA*2, CCD 1.3M, RED 6M.R4M02.002 LCD COVER IMR-RED 60.R4M02.002 214 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 225
    Category Description LCD BEZEL FOR W/CMOS P/N 60.R4F02.005 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LCD CABLE FOR W/CMOS LCD BRACKET R&L 50.R4F02.007 33.R4F02.003 CAMERA 1.3M 57.R4F02.001 INVERTER 19.R4F02.001 CCFL LCD CMO 15.6"W WXGA GLARE N156B3-L0B LF 200NIT
  • Acer Aspire 5742 | Service Guide - Page 226
    Category Description LCD BEZEL FOR W/CMOS P/N 60.R4F02.005 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LED CABLE FOR W/CMOS LED BRACKET R&L 50.R4F02.009 33.R4F02.004 CAMERA 1.3M 57.R4F02.001 LED LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT02-A04 LF 220NIT 8MS 500:1 LED LCD
  • Acer Aspire 5742 | Service Guide - Page 227
    Category Description LCD BEZEL FOR W/CMOS P/N 60.R4F02.005 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LED CABLE FOR W/CMOS LED BRACKET R&L 50.R4F02.009 33.R4F02.004 CAMERA 1.3M 57.R4F02.001 LED LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT02-A04 LF 220NIT 8MS 500:1 LED LCD
  • Acer Aspire 5742 | Service Guide - Page 228
    .009 LK.1560E.004 LK.15605.010 LK.1560D.010 LK.15608.011 LK.1560A.004 ASSY LED MODULE 15.6"W WXGA GLARE W/ ANTENNA*2, CCD 1.3M, RED 6M.R4M02.001 LED COVER IMR-RED 60.R4M02.003 218 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 229
    Category Description LCD BEZEL FOR W/CMOS P/N 60.R4F02.005 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LED CABLE FOR W/CMOS LED BRACKET R&L 50.R4F02.009 33.R4F02.004 CAMERA 1.3M 57.R4F02.001 LED LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT02-A04 LF 220NIT 8MS 500:1 LED LCD
  • Acer Aspire 5742 | Service Guide - Page 230
    Category Description LCD BEZEL FOR W/O CMOS P/N 60.R4F02.008 LCD ANTENNA WLAN-MAIN 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LCD CABLE FOR W/O CMOS LCD BRACKET R&L 50.R4F02.008 33.R4F02.003 INVERTER 19.R4F02.001 CCFL LCD CMO 15.6"W WXGA GLARE N156B3-L0B LF 200NIT 10MS 500:1 (LOW COST)
  • Acer Aspire 5742 | Service Guide - Page 231
    Category Description ANTENNA WLAN-MAIN P/N 50.R4F02.005 ANTENNA WLAN-AUX 50.R4F02.006 LCD LCD CABLE FOR W/O CMOS LCD BRACKET R&L 50.R4F02.008 33.R4F02.003 INVERTER 19.R4F02.001 CCFL LCD CMO 15.6"W WXGA GLARE N156B3-L0B LF 200NIT 10MS 500:1 (LOW COST) CCFL LCD SAMSUNG 15.6"W WXGA GLARE
  • Acer Aspire 5742 | Service Guide - Page 232
    LP156WH1TLC1 LF 220NIT 16MS 400:1 LK.1560D.013 LK.15606.001 LK.15608.013 ASSY LCD MODULE 15.6"W WXGA GLARE W/ ANTENNA*2, W/O CCD, RED 6M.R4M02.005 LCD COVER IMR-RED LCD BEZEL FOR W/O CMOS 60.R4M02.002 60.R4F02.008 ANTENNA WLAN-MAIN ANTENNA WLAN-AUX 50.R4F02.005 50.R4F02.006
  • Acer Aspire 5742 | Service Guide - Page 233
    Category LCD Description LCD CABLE FOR W/O CMOS LCD BRACKET R&L P/N 50.R4F02.008 33.R4F02.003 INVERTER 19.R4F02.001 CCFL LCD CMO 15.6"W WXGA GLARE N156B3-L0B LF 200NIT 10MS 500:1 (LOW COST) CCFL LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT01-A01 LF 220NIT 8MS 600:1 CCFL LCD LPL 15.6"W WXGA GLARE
  • Acer Aspire 5742 | Service Guide - Page 234
    Category LCD Description LED BRACKET R&L P/N 33.R4F02.004 LED LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT02-A04 LF 220NIT 8MS 500:1 LED LCD BOE 15.6"W WXGA GLARE HT156WXB500 LF 220NIT 8MS 500:1 LED LCD AUO 15.6"W WXGA GLARE B156XW02 V2 LF 200NIT 8MS 500:1 (POWER SAVING) LED LCD CMO 15.6"W WXGA GLARE
  • Acer Aspire 5742 | Service Guide - Page 235
    Category LCD Description LED BRACKET R&L P/N 33.R4F02.004 LED LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT02-A04 LF 220NIT 8MS 500:1 LED LCD BOE 15.6"W WXGA GLARE HT156WXB500 LF 220NIT 8MS 500:1 LED LCD AUO 15.6"W WXGA GLARE B156XW02 V2 LF 200NIT 8MS 500:1 (POWER SAVING) LED LCD CMO 15.6"W WXGA GLARE
  • Acer Aspire 5742 | Service Guide - Page 236
    .1560E.004 LK.15605.010 LK.1560D.010 LK.15608.011 LK.1560A.004 ASSY LED MODULE 15.6"W WXGA GLARE W/ ANTENNA*2, W/O CCD, RED 6M.R4M02.004 LED COVER IMR-RED LCD BEZEL FOR W/O CMOS 60.R4M02.003 60.R4F02.008 ANTENNA WLAN-MAIN ANTENNA WLAN-AUX LED CABLE FOR W/O CMOS 50.R4F02
  • Acer Aspire 5742 | Service Guide - Page 237
    Category MAINBOARD Description LED BRACKET R&L P/N 33.R4F02.004 LED LCD SAMSUNG 15.6"W WXGA GLARE LTN156AT02-A04 LF 220NIT 8MS 500:1 LED LCD BOE 15.6"W WXGA GLARE HT156WXB500 LF 220NIT 8MS 500:1 LED LCD AUO 15.6"W WXGA GLARE B156XW02 V2 LF 200NIT 8MS 500:1 (POWER SAVING) LED LCD CMO 15.6"W WXGA
  • Acer Aspire 5742 | Service Guide - Page 238
    Category HEATSINK Description THERMAL MODULE-UMA W/O FAN P/N 60.R4F02.006 SPEAKER THERMAL MODULE-DIS PARK W/FAN THERMAL MODULE-DIS NV W/FAN FAN-UMA MIC SET-UMA MIC SET-DIS SPEAKER L MISCELLANEOUS LCD SCREW PAD 60.R5202.003 60.R5302.001 23.R4F02.001 23.R4F02.002 23.R5202.001 23.R4F02.003 47.
  • Acer Aspire 5742 | Service Guide - Page 239
    Screw List CATEGORY SCREW Acer Description SCREW 1.98D 3.0L K 4.6D 0.8T ZK NL SCREW 2.0D 3L K 3.5D ZK NL SCREW 2.45D 8.0L K 5.5D 0.8T ZK NL SCREW 2.5D 3.2L K 6D
  • Acer Aspire 5742 | Service Guide - Page 240
    230 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 241
    Model Definition and Configuration Appendix A Aspire 5742/5742G Model AS5742G352G25Micc RO EMEA Country Russia Acer Part No LX.R5401.003 AS5742G352G25Micc EMEA Russia LX.R5402.005 AS5742G352G25Mncc EMEA Russia LX.R5401.004 AS5742G352G32Mnkk AAP Vietnam LX.R520C.001 AS5742G- WW
  • Acer Aspire 5742 | Service Guide - Page 242
    AS5742G354G50Mnkk AS5742G354G50Mnkk AS5742G354G64Mnkk AS5742G356G50Mnkk AS5742G372G25Mncc AS5742G372G32Mncc AS5742G372G32Mncc AS5742G372G32Mncc AS5742G372G32Mnkk AS5742G372G32Mnkk RO EMEA Country Belgium Acer Part No LX.R5202.004 EMEA Germany LX.R5202.016 EMEA Holland LX.R5202
  • Acer Aspire 5742 | Service Guide - Page 243
    CHINA China AAP Vietnam TWN GCTWN AAP Vietnam EMEA Russia EMEA Russia EMEA Denmark EMEA Turkey EMEA Poland EMEA Turkey EMEA Middle East EMEA Spain Acer Part No LX.R5D01.002 LX.R540C.003 LX.R5302.001 LX.R520C.003 LX.R5402.006 LX.R5201.001 LX.R5202.002 LX.R5301
  • Acer Aspire 5742 | Service Guide - Page 244
    Germany EMEA Italy EMEA Middle East EMEA Turkey EMEA Middle East EMEA Russia EMEA France EMEA Middle East EMEA Middle East EMEA Poland EMEA Spain Acer Part No LX.R5202.012 LX.R5302.007 LX.R5202.008 LX.R520C.005 LX.R5301.006 LX.R560C.001 LX.R5301.001 LX.R5402
  • Acer Aspire 5742 | Service Guide - Page 245
    EMEA Denmark EMEA France EMEA Germany EMEA Middle East EMEA Middle East EMEA South Africa EMEA Switzerland EMEA Turkey EMEA Turkey EMEA UK EMEA France Acer Part No LX.R5202.003 LX.R5302.020 LX.R5202.013 LX.R5202.018 LX.R5202.001 LX.R5302.008 LX.R5202.019 LX.R5202
  • Acer Aspire 5742 | Service Guide - Page 246
    AS5742G374G75Mnkk EMEA Switzerland AS5742G374G75Mnrr EMEA Middle East AS5742G- WW WW 378G75Mnrr AS5742G5462G32Mncc CHINA China AS5742G5462G32Mncc EMEA Poland AS5742G5462G32Mnkk CHINA China Acer Part No LX.R5602.001 LX.R5D02.001 LX.R5602.003 LX.R5302.024 S2.R5602.001 LX.R5C02.003 LX
  • Acer Aspire 5742 | Service Guide - Page 247
    AS5742G5462G50Mncc AS5742G5462G50Mncc AS5742G5462G50Mnkk AS5742G5463G50Mnkk AS5742G5463G50Mnkk AS5742G5464G32Mncc AS5742G5464G32Mnkk AS5742G5464G50Bnkk AS5742G5464G50Mncc AS5742G5464G50Mncc RO Country CHINA China Acer Part No LX.R5D01.001 EMEA Poland LX.R5402.004 EMEA Poland LX.R5C02
  • Acer Aspire 5742 | Service Guide - Page 248
    AS5742G5464G50Mnkk AS5742G5464G50Mnrr AS5742G5464G50Mnrr AS5742G5464G64Bnkk RO AAP EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA AAP Country Australia/ New Zealand Acer Part No LX.R5302.004 Czech LX.R5202.017 Denmark LX.R5302.021 France LX.R5302.022 Germany LX.R5302.027 Middle
  • Acer Aspire 5742 | Service Guide - Page 249
    AS5742G5464G64Mnkk AS5742G5464G64Mnkk AS5742G5464G64Mnkk AS5742G5464G64Mnkk AS5742G5464G64Mnkk RO EMEA EMEA EMEA AAP EMEA EMEA EMEA EMEA EMEA AAP EMEA EMEA EMEA Country Germany Acer Part No LX.R5302.028 Middle East LX.R5C0C.001 Spain LX.R5C02.009 Australia/ LX.R5302.005 New Zealand Belgium
  • Acer Aspire 5742 | Service Guide - Page 250
    EMEA Italy EMEA Turkey EMEA Turkey EMEA Turkey WW WW AAP Korea AAP Korea Acer Part No LX.R5D0C.001 LX.R5302.029 LX.R5302.032 LX.R5302. 2*2G/750/BT/ 6L2.2/2R/CB_bgn_1.3C_GEc_KO11 Country Russia Russia Russia Vietnam WW Turkey Acer Part No LX.R54 01.003 LX.R54 02.005 LX.R54 01.004 LX.R52
  • Acer Aspire 5742 | Service Guide - Page 251
    / New Zealand Belgium Germany Holland Luxembourg Australia/ New Zealand Australia/ New Zealand Turkey China Poland Vietnam China Vietnam China Vietnam GCTWN Vietnam Russia Russia Denmark Acer Part No S2.R54 0C.001 S2.R5C 02.001 LX.R52 02.015 LX.R53 02.002 LX.R52 02.004 LX.R52 02
  • Acer Aspire 5742 | Service Guide - Page 252
    Germany Italy Middle East Turkey Middle East Russia France Middle East Middle East Poland Spain Denmark Denmark France Germany Middle East Middle East South Africa Acer Part No LX.R53 01.004 LX.R54 02.003 LX.R53 01.005 LX.R54 0C.004 LX.R5C 02.007 LX.R52 02
  • Acer Aspire 5742 | Service Guide - Page 253
    France Middle East Middle East Spain Korea WW Middle East Middle East Switzerland Middle East WW China Poland China China Poland Poland Vietnam Vietnam Turkey Acer Part No LX.R52 02.011 LX.R53 01.010 LX.R53 02.015 LX.R52 02.007 LX.R56 02.002 LX.R56 02
  • Acer Aspire 5742 | Service Guide - Page 254
    New Zealand Czech Denmark France Germany Middle East Turkey Turkey UK France Middle East Australia/ New Zealand Germany Middle East Spain Australia/ New Zealand Belgium Acer Part No LX.R53 01.008 S2.R5C 02.002 LX.R53 01.009 LX.R53 02.006 BOM Name AS5742G_N11P GE1GBCkk_3V3 AS5742G_N11P GE1GBCcc_3V3
  • Acer Aspire 5742 | Service Guide - Page 255
    02.019 S2.R53 0C.001 LX.R53 02.025 LX.R5C 02.001 Acer Part No LX.R540 1.003 LX.R540 2.005 LX.R540 1.004 LX.R520 N11PG E N11PG E N11PG E N11PG E N11PG E VRAM 1 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) Memory 1 SO2GBI II10 Memory 2 N HDD 1(GB) N250GB5.4KS SO2GBI
  • Acer Aspire 5742 | Service Guide - Page 256
    Vietnam Acer 64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 257
    Russia Acer Part 64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 258
    (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 259
    Zealand Acer Part 64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 260
    AS5742G5464G64Mnkk Australia/ New Zealand Germany Middle East Spain Australia/ New Zealand Belgium Czech Holland Acer Part No LX.R5C 02.004 LX.R540 C.005 LX.R530 2.004 VRAM 1 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) LX.R520 2.017 LX.R530 2.021 LX.R530 2.022 LX.R530 2.027 LX
  • Acer Aspire 5742 | Service Guide - Page 261
    .001 VRAM 1 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) Acer Part No LX
  • Acer Aspire 5742 | Service Guide - Page 262
    Vietnam China Vietnam China Vietnam GCTWN Vietnam Russia Russia Denmark Turkey Poland Acer Part No LX.R52 02.015 LX.R53 02.002 LX.R52 NSM8XS NSM8XS NSM8XS NSM8XS NSM8XS NSM8XS NSM8XS NSM8XS Wireless LAN1 3rd WiFi 2x2 BGN Bluetooth N Adapter 65W 3rd WiFi N 2x2 BGN 90W 3rd WiFi N 2x2
  • Acer Aspire 5742 | Service Guide - Page 263
    Denmark France Germany Middle East Middle East South Africa Switzerland Turkey Acer Part No LX.R53 01.005 LX.R54 0C.004 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth N Adapter 90W BT 2.1 65W N 90W N 65W N 90W N 65W BT 2.1 65W N 90W
  • Acer Aspire 5742 | Service Guide - Page 264
    WW China Poland China China Poland Poland Vietnam Vietnam Turkey Turkey WW Acer Part No LX.R53 02.015 LX.R52 02.007 LX. 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth N Adapter 90W N 65W N 65W BT 3.0 65W BT 3.0 90W N 65W BT 3.0 90W BT
  • Acer Aspire 5742 | Service Guide - Page 265
    Zealand Germany Middle East Spain Australia/ New Zealand Belgium Czech Holland Acer Part No LX.R53 01.009 LX.R53 02.006 ODD BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth BT 3.0 Adapter 90W N 90W N BT 2.1 N 90W 65W 90W BT 3.0 N N N BT 2.1
  • Acer Aspire 5742 | Service Guide - Page 266
    Africa Middle East Czech Italy Turkey Turkey Turkey WW Korea Korea Acer Part No LX.R52 02.009 LX.R53 02.014 LX. BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth N Adapter 65W N 90W BT 3.0 90W N 90W BT 2.1 90W BT 3.0 90W BT 2.1 90W BT
  • Acer Aspire 5742 | Service Guide - Page 267
    Aspire 5742Z/5742ZG Model AS5742ZGP612G25Mnkk RO EMEA Country Poland AS5742ZGP612G25Mnkk P612G32Mnrr AS5742ZGP612G50Mncc TWN GCTWN AS5742ZGP612G50Mncc EMEA Poland AS5742ZGP612G50Mnkk TWN GCTWN AS5742ZGP613G32Mncc EMEA Middle East Acer Part No LX.R58 02.033 LX.R58 01.002 LX.R5P 01.001
  • Acer Aspire 5742 | Service Guide - Page 268
    EMEA EMEA EMEA Country Denmark Middle East Poland Portugal Portugal Slovenia/ Croatia Turkey Middle East Poland Middle East Albania/ Macedonia Austria Baltic Baltic Baltic Belgium Acer Part No LX.R58 02.026 LX.R58 0C.001 LX.R58 02.032 LX.R58 02.024 LX.R58 02.025 LX.R58 02
  • Acer Aspire 5742 | Service Guide - Page 269
    EMEA EMEA EMEA EMEA EMEA Country Cyprus Denmark France Germany Holland Israel Italy Luxembou rg Middle East Poland Portugal Spain Switzerlan d UK Middle East Spain Acer Part No LX.R58 02.005 LX.R58 02.013 LX.R58 02.010 LX.R58 02.002 LX.R58 02.012 LX.R58 02
  • Acer Aspire 5742 | Service Guide - Page 270
    EMEA WW EMEA EMEA EMEA WW Country Czech France Spain WW Belgium Czech Czech Denmark Denmark France Holland Luxembou rg WW France Spain Czech WW Acer Part No LX.R57 02.002 LX.R57 02.001 LX.R57 02.005 S2.R57 0C.001 LX.R58 02.021 LX.R58 02
  • Acer Aspire 5742 | Service Guide - Page 271
    AS5742ZGP612G50Mncc RO EMEA Country Denmark EMEA France TWN GCTWN Acer Part No LX.R5P 02.004 LX.R58 02. BT/ 6L2.2/2R/CB_bgn_1.3C_GEk_TC11 Country Poland Turkey Turkey Korea Korea Poland WW Korea Turkey Spain WW WW GCTWN Acer Part No LX.R58 02.033 LX.R58 01.002 LX.R5P 01.001 LX.R57 02.004 LX
  • Acer Aspire 5742 | Service Guide - Page 272
    East AS5742ZG- Poland P613G50Mncc AS5742ZG- Middle East P614G32Mncc AS5742ZG- Albania/ P614G32Mnkk Macedonia AS5742ZG- Austria P614G32Mnkk AS5742ZG- Baltic P614G32Mnkk AS5742ZG- Baltic P614G32Mnkk Acer Part No LX.R57 02.003 LX.R5P 02.002 LX.R57 0C.001 LX.R58 02.026 LX.R58 0C.001
  • Acer Aspire 5742 | Service Guide - Page 273
    Middle East P614G32Mnkk AS5742ZG- Poland P614G32Mnkk AS5742ZG- Portugal P614G32Mnkk AS5742ZG- Spain P614G32Mnkk AS5742ZG- Switzerland P614G32Mnkk AS5742ZG- UK P614G32Mnkk AS5742ZGP614G32Mnrr Middle East Acer Part No LX.R58 02.014 LX.R58 02.004 LX.R58 02.005 LX.R58 02.013 LX.R58 02
  • Acer Aspire 5742 | Service Guide - Page 274
    AS5742ZG- France P614G50Mnkk AS5742ZG- Holland P614G50Mnkk AS5742ZG- Luxembourg P614G50Mnkk AS5742ZG- WW P614G50Mnkk AS5742ZGP614G50Mnrr France AS5742ZGP614G50Mnrr Spain AS5742ZG- Czech P614G64Mnkk Acer Part No LX.R5A 02.003 LX.R57 02.002 LX.R57 02.001 LX.R57 02.005 S2.R57 0C
  • Acer Aspire 5742 | Service Guide - Page 275
    PARK_ XT N11PG E Acer Part No LX.R58 02 64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 276
    Acer Part 64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 277
    Acer Part 64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 278
    64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 512MDDR3 (64*16*4) 1G-DDR3 (64*16*8) 512MDDR3 (64*16*4) 1G-DDR3 (64
  • Acer Aspire 5742 | Service Guide - Page 279
    Middle East Poland Portugal Portugal Slovenia/ Croatia Turkey Middle East Acer Part No LX.R58 02.033 LX.R58 01.002 LX WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth N Adapter 65W N 65W N 90W BT 3.0 65W BT 3.0 90W N 90W N 90W BT 3.0
  • Acer Aspire 5742 | Service Guide - Page 280
    Middle East Poland Portugal Spain Switzerland UK Middle East Spain Acer Part No LX.R5R 02.002 LX.R57 01.001 LX 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth N Adapter 90W BT 3.0 65W N 65W N 65W N 65W N 65W N 65W N 65W N 65W
  • Acer Aspire 5742 | Service Guide - Page 281
    France Holland Luxembourg WW France Spain Czech WW Denmark France GCTWN Acer Part No LX.R57 02.002 LX.R57 02.001 LX 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN 3rd WiFi 2x2 BGN Bluetooth BT 3.0 Adapter 65W N 65W N 65W BT 2.1 65W N 65W BT 3.0 65W BT 3.0 90W N
  • Acer Aspire 5742 | Service Guide - Page 282
    272 Chapter 1
  • Acer Aspire 5742 | Service Guide - Page 283
    to the Aspire 5741/5741G Compatibility Test Report released by the Acer Mobile System Testing Department. Microsoft® Windows® 7 Battery SANYO AS10D Li-Ion 3S2P SANYO 6 cell 4400mAh Main COMMON ID:AS10D31 Battery SIMPLO AS10D Li-Ion 3S2P PANASONIC 6 cell 4400mAh Main COMMON ID:AS10D71 Battery
  • Acer Aspire 5742 | Service Guide - Page 284
    .21400.069 AM.21400.068 2-in-1 card reader CR.21500.030 CPU Intel Core i3 350M PGA 2.26G 35W Arrandale, TJ90, VT, 3M L3 CPU Intel Core i3 370M PGA 2.4G 35W K-0 TJ90, VT CPU Intel Core i5 460M PGA 2.53G 35W K-0 CPU Intel Core i5 560M PGA 2.66G 35W K-0 Turbo Boost 3.20/2.93 CPU Intel Pentium Dual
  • Acer Aspire 5742 | Service Guide - Page 285
    TOSHIBA N640GB5.4KS WD N160GB5.4KS WD N250GB5.4KS WD N320GB5.4KS WD N500GB5.4KS WD N640GB5.4KS WD N750GB5.4KS Keyboard ACER AC7T_A10B LAN Broadcom Appendix B BCM57780 Description HDD SEAGATE 2.5" 5400rpm 160GB ST9160314AS,9HH13C-189, Seagate(new pcb) SATA 8MB LF F/ W:0001SDM1 HDD
  • Acer Aspire 5742 | Service Guide - Page 286
    ODD HLDS BD COMBO 12.7mm Tray DL 4X CT30N LF W/O bezel 1.00 SATA (HF + Windows 7 + 3D) ODD HLDS Super-Multi DRIVE 12.7mm Tray DL 8X GT32N (R5-2) LF W/O bezel SATA .23200.162 KG.PGE0V.001 1G-DDR3 (64*16*8) 512M-DDR3 (64*16*4) 1G-DDR3 64*16*8 512M-DDR3 64*16*4 KI.23300.018 KI.23300.019 276 Appendix B
  • Acer Aspire 5742 | Service Guide - Page 287
    Vendor WiFi Antenna WNC Wireless LAN Foxconn Type PIFA 3rd WiFi 2x2 BGN Foxconn 3rd WiFi 2x2 BGN Liteon 3rd WiFi 2x2 BGN Description P/N PIFA LZ.23500.006 Foxconn Wireless LAN Broadcomm 43225 2x2 BGN (HM) T77H103.00 Foxconn Wireless LAN Atheros HB97 2x2 BGN (HM) Liteon Wireless LAN Atheris
  • Acer Aspire 5742 | Service Guide - Page 288
    278 Appendix B
  • Acer Aspire 5742 | Service Guide - Page 289
    offers you convenient and valuable support resources whenever you need them. In the Technical Information section you can download information on all of Acer's Notebook, Desktop and Server models including: • Service guides for all models • Bios updates • Software utilities • Spare parts lists
  • Acer Aspire 5742 | Service Guide - Page 290
    280 Appendix C
  • Acer Aspire 5742 | Service Guide - Page 291
    I Indicators 14 Intermittent Problems 176 Internal Microphone Failure 166 Internal Speaker Failure 164 J Jumper and Connector Locations 183 K Keyboard Removing 64 Replacing 156 Keyboard Failure 163 L LCD Failure 163 LCD Module Disassembly Flowchart 97 M Main Unit Disassembly Flowchart 66 Mainboard
  • Acer Aspire 5742 | Service Guide - Page 292
    Replacing 127 Thermal Unit Failure 173 TouchPad Removing 76 TouchPad Bracket Removing 76 Replacing 139 TouchPad Failure 164 Troubleshooting TouchPad 164 WLAN 172 U Undetermined Problems 176 Upper Cover Removing 67 Replacing 142 utility BIOS 31-39 W Windows 2000 Environment Test 273 Wireless Function

We apologize, but we cannot currently deliver this PDF manual by request of the manufacturer.

We apologize for any inconveniece.