Acer Aspire one 521 Series Service Manual
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Acer Aspire one 521 Series Service Manual

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Aspire one 521 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

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Summary of Contents for Acer Aspire one 521 Series

  • Page 1 Aspire one 521 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...

  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on this service guide. Date Chapter Updates...
  • Page 3 Copyright Copyright © 2010 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated.

  • Page 4: Conventions

    Conventions The following conventions are used in this manual: SCREEN MESSAGES NOTE WARNING CAUTION IMPORTANT NOTE: This symbol where placed in the Service Guide designates a component that should be recycled according to the local regulations. Denotes actual messages that appear on screen.
  • Page 5 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

  • Page 7: Table Of Contents

    System Specifications Features ............1 System Block Diagram .
  • Page 8 Table of Contents Removing the LCD Module .........69 Removing the Mainboard .
  • Page 9 FRU (Field Replaceable Unit) List Exploded Diagrams ..........131 Main Assembly .
  • Page 10 Table of Contents...

  • Page 11: System Specifications

    System Specifications Features Below is a brief summary of the computer’s many features: Operating System • Genuine Windows® 7 Home Basic 32-bit (China only) • Genuine Windows® 7 Starter 32-bit Platform • AMD V Series processor V105 (512 KB L2 cache, 1.20 GHz, 800 MHz FSB, 9 W) •...

  • Page 12: Storage Subsystem

    Wireless and networking • WLAN: • Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™ • Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™ (available only in Russia, Pakistan, Ukraine) • Supporting Acer SignalUp™ wireless technology • WPAN: Bluetooth® 3.0+HS • WWAN: UMTS/HSPA at 850/900/1900/2100 MHz and quad-band GSM/GPRS/EDGE at 850/900/ 1800/1900 MHz, upgradable to 7.2 Mb/s HSDPA and 5.7 Mb/s HSUPA...

  • Page 13: Dimensions And Weight

    Battery life: 6 hours with standard battery pack; 7.5 hours with high-capacity battery pack. Special Keys and Controls • Keyboard: • 84-/85-/88-key Acer FineTip keyboard, 93% of full-size smooth typing keyboard, with international language support • Touchpad: • Multi-gesture touchpad, supporting two-finger scroll, pinch, rotate, flip I/O Ports •...
  • Page 14 • Optional: • 1 GB / 2 GB DDR3 1066 MHz soDIMM module· • 6-cell Li-ion battery pack· • 2-pin 40 W AC adapter • External USB HDD • External USB optical disc drive Warranty • One-year International Travelers Warranty (ITW) Environment •...

  • Page 15: System Block Diagram

    System Block Diagram Chapter 1...

  • Page 16: Notebook Tour

    Notebook Tour This section provides an overview of the features and functions of the notebook. Top View Icon Acer Crystal Eye webcam Display screen Microphone Power button/ Keyboard Item Web camera for video communication. (only for certain models) Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model).

  • Page 17: Closed Front View

    Icon Power* Battery* HDD indicator Communication indicator* Click buttons (left, and right) Touchpad Palmrest NOTE: *Front panel indicators are visible even when the computer cover is closed. Closed Front View Icon Status Indicators Left View Icon External display (VGA) port HDMI HDMI port Ventilation slots...

  • Page 18: Right View

    Icon USB 2.0 port Multi-in-1 card reader Right View Icon Microphone jack Headphones/ speaker/line-out jack USB 2.0 port DC-in jack Kensington lock slot Ethernet RJ-45) port Item Connects to USB 2.0 devices (e.g., USB mouse, USB camera). Accepts Secure Digital (SD), MultiMediaCard (MMC), Memory Stick (MS), Memory Stick PRO (MS PRO), xDPicture Card (xD).

  • Page 19: Base View

    Base View Icon Battery bay 3G SIM card slot Battery release latch Hard disk bay Memory compartment Ventilation slots and cooling fan Battery lock Indicators The computer has several easy-to-read status indicators. The battery indicator is visible even when the computer cover is closed.

  • Page 20: Touchpad Basics

    TouchPad Basics The following items show you how to use the TouchPad: • 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.

  • Page 21: Using The Keyboard

    Using the Keyboard Your computer has a close-to-full-sized keyboard and an embedded numeric keypad, separate cursor, lock, function and special keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Lock key Caps Lock When Caps Lock is on, all alphabetic characters typed are in uppercase.

  • Page 22: Windows Keys

    Windows Keys The keyboard has two keys that perform Windows-specific functions. Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; it launches the Start menu. It can also be used with other keys to provide a variety of functions: <...

  • Page 23: Hot Keys

    Hot Keys The computer employs hotkeys or key combinations to access most of the computer's controls like screen brightness and volume output. To activate hotkeys, press and hold the <Fn> key before pressing the other key in the hotkey combination. Hotkey Icon <Fn>...

  • Page 24: Special Keys

    Special Keys You can locate the Euro symbol and the US dollar sign at the upper-center and/or bottom-right of your keyboard. The Euro symbol Open a text editor or word processor. Hold <Alt Gr> and then press the <5> key at the upper-center of the keyboard. NOTE: Some fonts and software do not support the Euro symbol.

  • Page 25: Hardware Specifications And Configurations

    3200 3500 3900 4200 Fan Speed (RPM) 2700 3200 3550 3900 4200 Specification RS880M • Single chip solution in 55nm, 1.1V low power CMOS technology. • 528-FCBGA package, 21mmx21mm. Core Package Acer P/N Voltage SPL Spec (dBA) SPL Spec (dBA)
  • Page 26 Item Features Specification • CPU HyperTransport. Interface • Supports 16-bit up/down HyperTransport (HT) 3.0 interface up to 4.4 GT/s. • Supports 200, 400, 600, 800, and 1000 MHz HT1 frequencies. • Supports 1.6, 1.8, 2.0, and 2.2 GHz HT3 frequencies. •...
  • Page 27 Item (NB Cont.) Features Chapter 1 Specification • Support for GDI extensions: • In Windows XP and Windows Vista: Alpha BLT, Transparent BLT, and Gradient Fill. • In Windows 7: Alpha BLT, Transparent BLT, Color Fill BLT, Stretch BLT, and Clear Type BLT. •...
  • Page 28 Item (NB Cont.) Features Specification • New multi-level texture cache to give optimal performance, greater than 8x the previous designs. • High efficiency ring bus memory controller: • Programmable arbitration logic maximizes memory efficiency, software upgradeable. • Fully associative texture, color, and Z cache design. •...
  • Page 29 Item (NB Cont.) Features Chapter 1 Specification • Hardware cursor up to 64x64 pixels in 2 bpp, full color AND/XOR mix, and full color 8-bit alpha blend. • Hardware icon up to 128x128 pixels in 2 bpp, with two colors, transparent, and inverse transparent.
  • Page 30 Item (NB Cont.) Features Specification • The RS880M complies with all relevant Windows Logo Program (WLP) requirements from Microsoft for WHQL certification. Test Capability Features The RS880M has a variety of test modes and capabilities that provide a very high fault coverage and low DPM (Defect Per Million) ratio: •...
  • Page 31 Southbridge Chipset Item Chipset SB820M Package Features *Processor Interface Supports AMD mobile processors code-named “Champlain,” and “Geneva.” *A-Link Express II interface to Northbridges 1-, 2-, or 4-lane A-Link Express II *interface Automatic detection of lane configuration on boot-up Dynamic lane width up/down configuration on detecting bandwidth requirement Supports transfer rate of up to 2.5 GT/s per lane.
  • Page 32 Item (SB Cont.) Specification Features *SATA Controller Supports six Third generation SATA ports (compatible with devices running at 6 Gbits/s, 3 Gbit/s, and1.5 Gbit/s) Complies with SATA 2.6 specification Supports three modes of operation: *IDE emulation mode AHCI mode (compliant with AHCI specification revision 1.2) RAID mode *Any of the six ports can be configured to a lower transfer rate of 3 or 1.5 Gbit/s for saving power.
  • Page 33 Item (SB Cont.) Features *Power Management ACPI specification 3.0 compliant power management schemes Supports CPU C1e, C2, C3, C3 pop-up, C4, and C5 states Supports system S0, S1, S3, S4, and S5 states Wakeup events for S1, S3, S4, and S5 generated by: Any GEVENT pin Any GPM pin Power Button...
  • Page 34 • Suspend to RAM (S3)/Disk (S4) • Various hot-keys for system control • Support SMBIOS 2.3, PCI2.2. • Refer to Acer BIOS specification. • DMI utility for BIOS serial number configurable/asset tag • Support PXE • Support Y2K solution •...
  • Page 35 Item Display Mode Typical White Luminance (cd/m (also called Brightness) Contrast Ratio Response Time (Optical Rise Time/Fall Time) msec Luminance Uniformity Electrical Interface Support Color Temperature Range (°C) Operating Storage (shipping) Bluetooth 2.0 Item Bluetooth Controller Features Bluetooth 3.0 Item Bluetooth Controller Features Chapter 1...
  • Page 36 Cable length to 180 meters • Supports +/-100 ppm clock offset; Link stable with 3m + 180m + 3m test • Link Period <1.5s Specification ACER AC7T_A10B AC7T Internal 17 103/104/107 • Supports application keys for Windows 7 version Specification AU6437-GBL -GR LQFP •...
  • Page 37 Item Focusing range 26.6cm ~ infinity (Chicony) 70cm (Suyin) Dimensions (L x W x H 65 x 8 x 3.69 +0.11/-0.29 (H) Sensor type 1.0Mega CMOS Sensor Pixel resolution 1280X800 Pixel size 3.0um X3.0um Image size 3.89mm(H) X 2.43mm(V)Part number Wireless LAN Vendor and model Foxconn 4312/4314/HB95 BG/HB95 BGN or Lite on HB95 BGN/ Realtek...
  • Page 38 Item Features • • • • • • I/O Interface Item Features • • • • • • • • • • Specifications High-Speed Downlink Packet Access (HSDPA) High-Speed Uplink Packet Access (HSUPA) Receive Diversity in CDMA2000 1X,CDMA2000 1xEV-DO and WCDMA (UMTS) GSM Release 4 GPRS/EGPRS Multi-slot Class12, Release 4...

  • Page 39: System Utilities

    System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/ Output System). Your computer is already properly configured and optimized, and you do not need to run this utility. However, if you encounter configuration problems, you may need to run Setup.

  • Page 40: Information

    Information The Information screen displays a summary of your computer hardware information. Information Main C P U Ty p e C P U Ty p e C P U S p e e d C P U S p e e d I D E 0 M o d e l N a m e : I D E 0 M o d e l N a m e : I D E 0 S e r i a l N u m b e r :...

  • Page 41: Main

    Main The Main screen allows the user to set the system time and date as well as enable and disable boot option and recovery. Information Main S y s t e m Ti m e : S y s t e m Ti m e : S y s t e m D a t e : S y s t e m D a t e : S y s t e m M e m o r y :...

  • Page 42: Security

    Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. Information Main S u p e r v i s o r P a s s w o r d I s : S u p e r v i s o r P a s s w o r d I s : U s e r P a s s w o r d I s : U s e r P a s s w o r d I s : H D D P a s s w o r d I s :...

  • Page 43: Removing A Password

    Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set Supervisor Password box appears: C o n f i r m N e w P a s s w o r d Type a password in the “Enter New Password”...

  • Page 44: Changing A Password

    Changing a Password Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The Set Password box appears. E n t e r C u r r e n t P a s s w o r d C o n f i r m N e w P a s s w o r d Type the current password in the Enter Current Password field and press Enter.

  • Page 45: Boot

    Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the USB diskette drives, the onboard hard disk drive and the DVD drive in the module bay. Information Main Security B o o t p r i o r i t y o r d e r : B o o t p r i o r i t y o r d e r :...

  • Page 46: Exit

    Exit The Exit screen allows you to save or discard any changes you made and quit the BIOS Utility. Information Main E x i t S a v i n g C h a n g e s E x i t S a v i n g C h a n g e s E x i t D i s c a r d i n g C h a n g e s E x i t D i s c a r d i n g C h a n g e s L o a d S e t u p D e f a u l t s...

  • Page 47: Bios Flash Utility

    BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. • Chapter 2...

  • Page 48: Dos Flash Utility

    DOS Flash Utility Perform the following steps to use the DOS Flash Utility: Press F2 during boot to enter the Setup Menu. Select Boot Menu to modify the boot priority order, for example, if using USB HDD to Update BIOS, move USB HDD to position 1.
  • Page 49 Flash is complete when the message Flash programming complete displays. Chapter 2...

  • Page 50: Winflash Utility

    WinFlash Utility Perform the following steps to use the WinFlash Utility: Double click the WinFlash executable. Click OK to begin the update. A progress screen displays. When the process is complete, close all programs and applications and reboot the system. Chapter 2...

  • Page 51: Remove Hdd/Bios Password Utilities

    Remove HDD/BIOS Password Utilities This section provide you with removing HDD/BIOS method: Remove HDD Password: When the user keys in the wrong password three times, the system reports the following error code to user. To unlock the HDD password, perform the following steps: Press Enter to display the Select Item screen.

  • Page 52: Removing Bios Passwords

    Removing BIOS Passwords: If you key in the wrong Supervisor Password three times, System Disabled displays on the screen. See the image below. To reset the BIOS password, run clnpwd.exe as follows: From a DOS prompt, Execute clnpwd.exe Press 1 or 2 to clean the desired password shown on the screen. The onscreen message determines whether the function is successful or not.

  • Page 53: Miscellaneous Utilities

    Miscellaneous Utilities Using Boot Sequence Selector Boot Sequence Selector allows the boot order to be changes without accessing the BIOS. To use Boot Sequence Selector, perform the following steps: Enter into DOS. Execute BS.exe to display the usage screen. Select the desired boot sequence by entering the corresponding sequence, for example, enter BS2 to change the boot sequence to HDD|CD ROM|LAN|Floppy.
  • Page 54 Manufacturer (Type1, Offset04h): Acer Product Name (Type1, Offset05h): Aspire one xxxxx Serial Number (Type1, Offset07h): 01234567890123456789 UUID String (Type1, Offset08h): xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx Asset Tag (Type3, Offset04h): Acer Asstag Example 2: Write Product Name to EEPROM Input: dmitools /wp Acer Example 3: Write Serial Number to EEPROM...

  • Page 55: Machine Disassembly And Replacement

    Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: • Wrist grounding strap and conductive mat for preventing electrostatic discharge •...

  • Page 56: Pre-Disassembly Instructions

    Pre-disassembly Instructions Before proceeding with the disassembly procedure, make sure that you do the following: Turn off the power to the system and all peripherals. Unplug the AC adapter and all power and signal cables from the system. Place the system on a flat, stable surface. Chapter 3...

  • Page 57: Disassembly Process

    Mainboard, you must first remove the Keyboard, and LCD Module then disassemble the inside assembly frame in that order. Main Screw List Screw M2.5*5 M2.5*6.5 M2.5*3Ni M2*3Ni M2.5*4Ni M2.5*4 M2.5*3 T2.5*2 M3*3 M2*3 Chapter 3 Quantity Acer Part Number...

  • Page 58: External Module Disassembly Process

    External Module Disassembly Process NOTE: The product previews seen in the disassembly procedures may not represent the final product color or configuration. Screw List Step Remove Base Cover Remove WLAN Module Remove HDD Remove ODD Module External Modules Disassembly Flowchart Remove Screw Quantity...

  • Page 59: Removing The Battery Pack

    Removing the Battery Pack Turn the computer over. Slide the battery lock/unlock latch to the unlock position. Slide and hold the battery release latch to the release position (1), then slide out the battery pack from the main unit (2). NOTE: The battery has been highlighted with a yellow oval as shown in the above image.

  • Page 60: Removing The Dummy Card

    Removing the Dummy Card Press the dummy card in to allow it to spring out. Pull the dummy card out. Chapter 3...

  • Page 61: Removing The Base Door

    Removing the Base Door See “Removing the Battery Pack” on page 49. Remove the seven (7) screws. Step Base Door M2.5*5 (red call Disassembly out) Lift the base door up at the finger indentation location provided in the bottom cover. Chapter 3 Screw Quantity...

  • Page 62: Removing The Dimm Module

    Removing the DIMM Module See “Removing the Battery Pack” on page 49. See “Removing the Base Door” on page 51. Push the memory module clips outwards. Pull the memory module out. Chapter 3...

  • Page 63: Removing The Hard Disk Drive Module

    Removing the Hard Disk Drive Module See “Removing the Battery Pack” on page 49. See “Removing the Base Door” on page 51. Detach the WLAN module antennas from the WLAN board. Detach the 3G module antennas from the 3G board. Remove the WLAN antennas from the cable channel.
  • Page 64 Remove both the WLAN and 3G antennas from the cable channel. Take care to lift the cable away from the metal guide (green callout) at the corner of the HDD module. Grasp the tab and pull upwards while using the opposite hand to guide the HDD out of the bay. Chapter 3...
  • Page 65 Pull the HDD module out of the connector. Remove four (4) screws from the HDD bracket. Step HDD Bracket M3*3Ni Disassembly 10. Remove the brackets from the HDD. Chapter 3 Screw Quantity Screw Type...

  • Page 66: Removing The Wlan Module

    Removing the WLAN Module See “Removing the Battery Pack” on page 49. See “Removing the Base Door” on page 51. Detach the two (2) cables from the Wireless LAN module. IMPORTANT:Take note of the Main (black) and Auxiliary (white) connectors. Remove the one (1) screw.
  • Page 67 Pull the WLAN module out and away. Chapter 3...

  • Page 68: Removing The 3G Module

    Removing the 3G Module See “Removing the Battery Pack” on page 49. See “Removing the Base Door” on page 51. Detach the two (2) cables from the 3G module. NOTE: Take note of the Main (blue) and Auxiliary (yellow) connectors. Remove the two (2) screws.
  • Page 69 Pull the 3Gmodule out and away. Chapter 3...

  • Page 70: Main Unit Disassembly Process

    Main Unit Disassembly Process IMPORTANT: Cable paths and positioning may not represent the actual model. During the removal and replacement of components, ensure all available cable channels and clips are used and that the cables are replaced in the same position. NOTE: The product previews seen in the disassembly procedures may not represent the final product color or configuration.
  • Page 71 Step Screw Quantity Part No. Remove Lower Cover Remove Switch Board Remove Power Module Remove I/O Board Remove Bluetooth Module Remove Mainboard Remove Power Jack Assembly Chapter 3...

  • Page 72: Removing The Keyboard

    Removing the Keyboard IMPORTANT: The keyboard is easily warped or damaged during the removal process. Take care not to use excessive force when removing to prevent damage. See “External Module Disassembly Process” on page 48. Using the plastic pry, press in the five (5) latches along the top of the keyboard to release the keyboard from the cover.
  • Page 73 Detach the keyboard FPC. Unlock the FPC Pull the keyboard away Chapter 3...

  • Page 74: Removing The Upper Cover

    Removing the Upper Cover See “Removing the Keyboard” on page 62. Unlock and disconnect the Toucpad board FFC. Peel back the adhesive tape on the LVDS connector. Disconnect the LVDS cable. Chapter 3...
  • Page 75 Remove the seventeen (17) screws in the upper cover. Step Upper Cover M2*2.5 (red call out) Disassembly M2*5 (blue call out) Turn the computer over and remove the nine (9) screws in the lower cover. Step Lower Cover (red call out) Disassembly (blue call out) Chapter 3...
  • Page 76 Disconnect the HDD connector from the chassis. Pry the upper cover apart from the lower cover starting along the bottom edge. Lift the upper cover away. Chapter 3...

  • Page 77: Removing The Touchpad Board

    Removing the Touchpad Board See “Removing the Upper Cover” on page 64. Pull the end of the touchboard FFC through the upper cover. Unlock the touchpad FFC connector. Disconnect the touchpad FFC. Chapter 3...

  • Page 78: Removing The Bluetooth Module

    Removing the Bluetooth Module See “Removing the Upper Cover” on page 64. Disconnect the Bluetooth module cable from the mainboard. LIft the Bluetooth module away from the computer. Detach the Bluetooth module cable from the module. Chapter 3...

  • Page 79: Removing The Lcd Module

    Removing the LCD Module See “Removing the Upper Cover” on page 64. Disconnect the LVDS cable and remove it from the cable channel. Pass the WLAN and 3G antennas through the chassis. Chapter 3...
  • Page 80 Remove two (2) screws from the hinge. Step LCD Module Hinge M2.5*5 Disassembly Lif the LCD assembly clear of the chassis. Screw Quantity Screw Type Chapter 3...

  • Page 81: Removing The Mainboard

    Removing the Mainboard See “Removing the Upper Cover” on page 64. See “Removing the Touchpad Board” on page 67. See “Removing the Mainboard” on page 71. Turn the computer over and disconnect the power cable from the mainboard. Remove the one (1) screw on the main board. Step Main Board M2.5*5...
  • Page 82 Lift the main board out of the assembly. Lift the I/O edge up first then pull out the external connector edge. NOTE: The CPU is integrated on the mainboard. Chapter 3...

  • Page 83: Removing The Thermal Module

    Removing the Thermal Module See “Removing the Mainboard” on page 71. Disconnect the thermal module fan connector. Loosen the four (4) captive screws. Chapter 3...
  • Page 84 Lift the thermal module away from the main board. NOTE: Circuit boards >10 cm² have been highlighted with a yellow rectangle as shown in the previous image. Please detach the circuit board and follow local regulations for disposal. Chapter 3...

  • Page 85: Removing The Speakers

    Removing the Speakers See “Removing the Mainboard” on page 71. Remove the adhesive tape from the speaker cable. Remove four (4) screws from the power assembly bracket. Step Speaker Disassembly Chapter 3 Screw Quantity Screw Type...
  • Page 86 Lift the speakers clear of the lower cover. Chapter 3...

  • Page 87: Lcd Module Disassembly Process

    LCD Module Disassembly Process IMPORTANT: Cable paths and positioning may not represent the actual model. During the removal and replacement of components, ensure all available cable channels and clips are used and that the cables are replaced in the same position. NOTE: The product previews seen in the disassembly procedures may not represent the final product color or configuration.

  • Page 88: Removing The Lcd Bezel

    Removing the LCD Bezel See “Removing the Touchpad Board” on page 67. Remove the two (2) bezel screw covers and screws. Step Remove LCD Bezel M2.5*4 Pry open the bottom corners and along the bottom edge. Screw Quantity Screw Type Chapter 3...
  • Page 89 Pry the bezel away from the top and then work around the corners. Lift the bezel off the module. Chapter 3...

  • Page 90: Removing The Camera Board

    Removing the Camera Board See “Removing the LCD Bezel” on page 78. Pull up the camera board. Disconnect the camera connector. Chapter 3...

  • Page 91: Removing The Lcd Panel

    Removing the LCD Panel See “Removing the Camera Board” on page 80. Remove the four (4) screws of the LCD panel. Step Remove LCD Panel M2x3 Lift the panel clear of the cover. Chapter 3 Screw Quantity Screw Type...
  • Page 92 Peel the LVDS cable and mylar off the LCD panel as shown. Disconnect the LVDS cable. Chapter 3...

  • Page 93: Removing The Lcd Cover Hinges

    Removing the LCD Cover Hinges See “Removing the LCD Panel” on page 81. Remove four (4) screws from the LCD cover hinges. Step Remove Cover Hinges Remove the right and left LCD cover hinges. Chapter 3 Screw Quantity Screw Type...

  • Page 94: Lcd Reassembly Procedure

    LCD Reassembly Procedure NOTE: During manufacture a cyanoacrylate glue is used provided by Holdtite Adhesives LTD. This is not a specified requirement. The reassembler is free to select an alternative appropriate adhesive. Replacing the LCD Cover Hinges See “Replacing the LCD Cover Hinges” on page 84. Place the right and left LCD cover hinges in the cover.

  • Page 95: Replacing The Lcd Fpc Cable

    Replacing the LCD FPC Cable Connect the FPC cable connector. Adhere the FPC cable to the panel. Chapter 3...

  • Page 96: Replacing The Lcd Panel

    Replacing the LCD Panel Place the LCD panel in the cover. Replace the four (4) screws, while ensuring the cables pass through the hinge correctly. Step LCD Panel Assembly Screw Quantity Screw Type Chapter 3...

  • Page 97: Replacing The Camera Board

    Replacing the Camera Board Connect the camera cable to the board as shown. Press the camera board into the cover. Chapter 3...

  • Page 98: Replacing The Lcd Bezel

    Replacing the LCD Bezel Place the LCD bezel on the cover. Ensure the cables are correctly exiting the hinges. Chapter 3...
  • Page 99 Press down on the top middle edge of the bezel to engage the locking clips. Press down on the bezel edge working simultaneously around the edges to the bottom. Replace the two (2) bezel screws and screw covers. Step Replace LCD Bezel M2.5*4 Chapter 3 Screw...

  • Page 100: Main Unit Reassembly Process

    Main Unit Reassembly Process Replacing the Speakers Place the speakers in the upper cover. Secure the speakers using four (4) screws. Chapter 3...
  • Page 101 Secure the speaker cable using a strip of adhesive tape. Chapter 3...

  • Page 102: Replacing The Thermal Module

    Replacing the Thermal Module IMPORTANT: Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal Module. The following thermal grease types are approved for use: Silmore GP50 • Honeywell • Jet Motor 7762 •...

  • Page 103: Replacing The Mainboard

    Replacing the Mainboard Slide the main board external connector edge in first to the lower case, then lower into place. Replace the one (1) screw to secure the mainboard to the lower cover. Connect the power connector. Chapter 3...

  • Page 104: Replacing The Lcd Module

    Replacing the LCD Module Place the LCD module hinges into position on the lower case. Replace the two (2) screws. Step LCD Module Assembly M2.5x5 Insert the right antenna cables through the lower cover and pull through from the other side. Screw Quantity Screw Type...
  • Page 105 Place the LVDS cable in the hinge channel as shown. Chapter 3...

  • Page 106: Replacing The Bluetooth Module

    Replacing the Bluetooth Module Connect the Bluetooth cable to the Bluetooth module. Place the Bluetooth module onto the mainboard and press down firmly. Connect the Bluetooth module cable to the main board. Chapter 3...

  • Page 107: Replacing The Touchpad Board

    Replacing the Touchpad Board Connect the touchpad FFC. Lock the touchpad FFC connector. Pass the touchpad board FFC through the upper cover. Chapter 3...

  • Page 108: Replacing The Upper Cover

    Replacing the Upper Cover Place the upper cover onto the lower cover aligning the hinges first and then press down around the edges. Press the HDD connector into the chassis. Chapter 3...
  • Page 109 Replace nine (9) screws on the lower cover. Step Lower Cover (red call out) Disassembly (blue call out) Replace the seventeen (17) screws on the upper cover. Step Upper Cover M2*3 Assembly M2*5 Ni Chapter 3 Screw Quantity Size Quantity 11 (blue call out) 6 (red call out) Screw Type...
  • Page 110 Connect the LVDS cable to the mainboard and fold over the mylar to secure the connector. Connect and lock the touchpad FFC. Chapter 3...

  • Page 111: Replacing The Keyboard

    Replacing the Keyboard Connect and lock the FFC to the mainboard. Turn the keyboard over and insert the bottom edge in first, then push to down ensure the latches across the top are fully secured. Chapter 3...

  • Page 112: Replacing The Hard Disk Drive

    Replacing the Hard Disk Drive Replace the HDD brackets on the HDD. Replace four (4) screws (two each side) to secure the bracket to the HDD module. Connect the HDD module to the connector. Chapter 3...
  • Page 113 Run the 3G and WLAN antennas along the cable channel as shown. CAUTION: Carefully tuck the cable under the metal hinge (highlighted in green). Chapter 3...

  • Page 114: Replacing The Dimm Module

    Replacing the DIMM Module IMPORTANT:See “BIOS Recovery” on page 129. Slide the DIMM module into the connector. Press down till the locking springs click into place. Repeat steps 1. and 2. until all DIMMs have been replaced. Chapter 3...

  • Page 115: Replacing The 3G Module

    Replacing the 3G Module Insert the 3G card into the slot. Replace two (2) screws on the 3G card. Connect the two (2) 3G antennas. NOTE: Please note that the blue antenna must be connected to the Main connector and the yellow antenna must be connected to the Auxiliary connector.

  • Page 116: Replacing The Wireless Lan Module

    Replacing the Wireless LAN Module Insert the WLAN card into the slot. Replace one (1) screw to secure the card. Run the WLAN antennas along the cable channel. Chapter 3...
  • Page 117 Connect the two (2) WLAN antennas. NOTE: Please note that the black antenna must be connected to the Main connector and the white antenna must be connected to the Auxiliary connector. Chapter 3...

  • Page 118: Replacing The Base Door

    Replacing the Base Door Replace the base door by first lining up the left edge as shown. Replace seven (7) screws to secure the base door to the chassis. Replace the Dummy Card Push the dummy card into the slot until it clicks into place. Chapter 3...

  • Page 119: Replacing The Battery

    Replacing the Battery Slide the battery into position. Close the locking latch. Chapter 3...
  • Page 120 Chapter 3...

  • Page 121: Troubleshooting

    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, prototype cards, or modified options can give false errors and invalid system responses. Obtain the failing symptoms in as much detail as possible.

  • Page 122: Power On Issue

    Power On Issue If the system doesn’t power on, perform the following actions 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 following actions one at a time to correct the problem. Check the power cable is properly connected to the computer and the electrical outlet.

  • Page 123: No Display Issue

    No Display Issue If the Display doesn’t work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Replace LCD Panel and Cable No POST or Video If the POST or video doesn’t display, perform the following actions one at a time to correct the problem. Make sure that the internal display is selected.

  • Page 124: Random Loss Of Bios Settings

    If the computer boots correctly, add the devices one by one until the failure point is discovered. Reseat the memory modules. Remove the drives (see “Disassembly Process” on page 47). If the Issue is still not resolved, see “Online Support Information” on page 163. Abnormal Video Display If video displays abnormally, perform the following actions one at a time to correct the problem.

  • Page 125: Lcd Failure

    If the Issue is still not resolved, see “Online Support Information” on page 163. LCD Failure If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace non- defective FRUs: C heck LC D C heck LC D module? module?

  • Page 126: Built-In Keyboard Failure

    Built-In Keyboard Failure If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Keyboard functioning? Start Keyboard properly connected? Replace mainboard Disconnect and reconnect Replace Keyboard Chapter 4...

  • Page 127: Touchpad Failure

    TouchPad Failure If the TouchPad doesn’t work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Check M/B T/P Check M/B T/P Chapter 4 Start Start Check Check TouchPad TouchPad Swap M/B Swap M/B Re-assemble the Re-assemble the...

  • Page 128: Internal Speaker Failure

    Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: C heck M/B S P K C heck M/B S P K Sound Problems If sound problems are experienced, perform the following actions one at a time to correct the problem. Reboot the computer.

  • Page 129: Internal Microphone Failure

    Restore system and file settings from a known good date using System Restore. If the issue is not fixed, repeat the preceding steps and select an earlier time and date. 10. Reinstall the Operating System. 11. If the Issue is still not resolved, see “Online Support Information” on page 163. Internal Microphone Failure If the internal Microphone fails, perform the following actions one at a time to correct the problem.

  • Page 130: Hdd Not Operating Correctly

    If the Issue is still not resolved, see “Online Support Information” on page 163. HDD Not Operating Correctly If the HDD does not operate correctly, perform the following actions one at a time to correct the problem. Disconnect all external devices. Run a complete virus scan using up-to-date software to ensure the computer is virus free.

  • Page 131: Intermittent Problems

    Issue” on page 112.): Power-off the computer. Visually check them for damage. If any problems are found, replace the FRU. Remove or disconnect all of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack •...

  • Page 132: Post Code Reference Tables

    POST Code Reference Tables These tables describe the POST codes and components of the POST process. Post Code Range Code POST Routine Description Verify Real Mode Disable Non-Maskable Interrupt (NMI) Get CPU type Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache...
  • Page 133 Code Beeps 2-1-2-3 Code Beeps 2-2-3-1 Chapter 4 POST Routine Description Load alternate registers with CMOS values Initialize interrupt vectors POST device initialization Check ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM POST Routine Description...
  • Page 134 Code Beeps Code Beeps POST Routine Description Configure Motheboard Configurable Devices (optional) Initialize BIOS Data Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy controller POST Routine Description Determine number of ATA drives (optional) Initialize hard-disk controllers Initialize local-bus hard-disk controllers Jump to UserPatch2...
  • Page 135 Code Beeps Code Beeps Code Beeps Chapter 4 POST Routine Description Initialize POST Error Manager (PEM) Initialize error logging Initialize error display function POST Routine Description Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt...
  • Page 136 Chapter 4...

  • Page 137: Jumper And Connector Locations

    Jumper and Connector Locations Mainboard Top View &1 32:(5 %87721 &57 &1 +'0, &1 &1 &$5' 5($'(5 &211 Chapter 5 &1 /9'6 &1 728&+3$' %2$5' &211 &1 .(<%2$5' &211 &1 %/8( 7227+ &211 Chapter 5 -6,0 6,0 &$5' &1 32:(5 -$&.

  • Page 138: Mainboard Bottom View

    Mainboard Bottom View &1 &57 &1 CN12 &1 )$1 &211 HDMI +'0, &1 &1 :/$1 &$5' &211 %$77(5< &211 57& -803(5 &1 ''5 &211 &1 * &$5' &1 &211 6$7$ &1 32:(5 -$&. &1 &1 Chapter 5...

  • Page 139: Bios Recovery

    BIOS Recovery BIOS Recovery by Crisis Disk BIOS Recovery Boot Block The BIOS Recovery Boot Block is a special block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to the factory settings if a BIOS flash process fails.
  • Page 140 Chapter 5...

  • Page 141: Fru (Field Replaceable Unit) List

    Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

  • Page 142: Main Assembly

    Main Assembly Item Description Part Number Chapter 6...
  • Page 143 Item Description Part Number NOTE: Part numbers may be different depending on your model. Please refer to the FRU List for a full listing of part numbers. Chapter 6...

  • Page 144: Lcd Assembly

    LCD Assembly Item NOTE: Part numbers may be different depending on your model. Please refer to the FRU List for a full listing of part numbers. Description Part Number Chapter 6...

  • Page 145: Fru List

    FRU List CATEGORY ADAPTER BATTERY BOARD CABLE CASE/COVER/BRACKET ASSEMBLY Chapter 6 DESCRIPTION Adapter DELTA 40W 19V 1.7x5.5x11 Black ADP-40 TH AA, LV5 wall-mounted, OBL LF Battery SIMPLO UM-2009E Li-Ion 3S2P SAMSUNG 6 cell 5600mAh Main COMMON ID:UM09E70 Battery PANASONIC UM-2009E Li-Ion 3S2P PANASONIC 6 cell 5800mAh Main COMMON ID:UM09E56 Foxconn Wireless LAN Atheros HB93 1x2 BGN...
  • Page 146 HTS545025B9A300 Panther B SATA LF F/W:C60F Disk imbalance criteria = 0.014g-cm HDD SEAGATE 2.5" 5400rpm 250GB ST9250315AS Wyatt SATA LF F/W:0001SDM1 HDD BRACKET FOR 3G - R HDD CONNECTOR Keyboard ACER NT0T_A10B NT0T84KS Black US International Texture Part No. 60.SBT07.002 42.SBT07.001 42.SBT07.002 KH.16008.027...
  • Page 147 CATEGORY LCD MODULE Chapter 6 DESCRIPTION LCD MODULE ASSY IMR LED(W/ANT*4, FOR 3G, NISSHA-BLACK) LCD MODULE ASSY IMR LED(W/ANT*4, FOR 3G, SIPIX-BLACK) LCD MODULE ASSY IMR LED(W/ANT*4, FOR 3G, NISSHA-BROWN) LCD MODULE ASSY IMR LED(W/ANT*2, FOR NON-3G, SIPIX-BLACK) LCD MODULE ASSY IMR LED(W/ANT*2, FOR NON-3G, NISSHA-BLACK) LCD MODULE ASSY IMR LED(W/ANT*2, FOR NON-3G, NISSHA-BROWN)

  • Page 148: Screw List

    CATEGORY MAINBOARD MEMORY HEATSINK SPEAKER MISCELLANEOUS Screw List CATEGORY SCREW SCREW M2.0*2.5-I(NI)(NYLOK) KIT SCREW M2*5-I(BZN)(NYLOK)IRON SCREW M2.0*7.5-I(BZN)(NYLOK)IRON SCREW M2.0*3.0-I-NI-NYLOK IRON SCREW M2.0*4-I(BNI)(NYLOK) SCREW M3*0.5+3.5I IRON DESCRIPTION Suyin 1.3M SY9665SN MAIN BOARD UMA AMD V105 1.2G,W/ CARD READER/BT/3G MAIN BOARD UMA AMD V105 1.2G,W/ CARD READER/BT, NON-3G MAIN BOARD UMA AMD K125 1.7G,WITH CARD READER/BT/3G...
  • Page 149 Appendix A Model Definition and Configuration Appendix A...

  • Page 150: Ao521

    AO521 Model Acer Part No AO521- LU.SBT0D.017 105Dc AO521- LU.SBT0D.016 105Dc AO521- LU.SBT0D.015 12BDc AO521- LU.SBT0D.014 12BDc AO521- LU.SBT01.002 1051c AO521- LU.SBT01.001 1051c AO521- LU.SBT0D.003 12BDc AO521- S2.SBT0D.004 105Dc AO521- LU.SBT0D.013 12BDc AO521- LU.SBT0D.012 12BDc AO521- LU.SBT0D.011 105Dc AO521- LU.SBT0D.010...
  • Page 151 Model Acer Part No AO521- LU.SBT0D.004 12BDc AO521- LU.SBT0D.002 12BDc AO521- LU.SBT0D.001 105Dc AO521- LU.SBT0H.001 105Hc AO521- S2.SBT0D.003 105Dc AO521- S2.SBT0D.002 105Dc AO521- S2.SBT0D.001 105Dc AO521- LU.SBS0D.065 105Dk AO521- LU.SBS0D.064 105Dk AO521- LU.SBS0D.063 12BDk AO521- LU.SBS0D.062 12BDk AO521- S2.SBS0D.004 105Dk AO521- LU.SBS0D.061...
  • Page 152 Model Acer Part No AO521- LU.SBS0D.056 105Dk AO521- LU.SBS0D.055 105Dk AO521- LU.SBS0D.054 105Dk AO521- LU.SBS0H.002 12BHk AO521- LU.SBS0D.053 12BDk AO521- LU.SBS0H.001 105Hk AO521- LU.SBS0D.052 105Dk AO521- LU.SBS0D.051 105Dk AO521- LU.SBS0D.050 105Dk AO521- LU.SBS0D.049 105Dk AO521- LU.SBS0D.048 105Dk AO521- LU.SBS0D.047 105Dk AO521- LU.SBS0D.046...
  • Page 153 Model Acer Part No AO521- LU.SBS0D.041 105Dk AO521- LU.SBS0D.040 105Dk AO521- LU.SBS0D.039 105Dk AO521- LU.SBS0D.038 105Dk AO521- LU.SBS0D.037 105Dk AO521- LU.SBS0D.036 105Dk AO521- LU.SBS0D.035 105Dk AO521- LU.SBS0D.034 105Dk AO521- LU.SBS0D.033 105Dk AO521- LU.SBS0D.032 105Dk AO521- LU.SBS0D.031 105Dk AO521- LU.SBS0D.030 105Dk AO521- LU.SBS0D.029...
  • Page 154 Model Acer Part No AO521- LU.SBS0D.024 105Dk AO521- LU.SBS0D.023 105Dk AO521- LU.SBS0D.022 105Dk AO521- LU.SBS0D.021 105Dk AO521- LU.SBS0D.020 105Dk AO521- LU.SBS0D.019 105Dk AO521- LU.SBS0D.018 105Dk AO521- LU.SBS0D.017 105Dk AO521- LU.SBS0D.016 105Dk AO521- LU.SBS0D.015 105Dk AO521- LU.SBS0D.014 105Dk AO521- LU.SBS0D.013 105Dk AO521- LU.SBS0D.012...
  • Page 155 Model Acer Part No AO521- LU.SBS0D.007 105Dk AO521- LU.SBS0D.006 105Dk AO521- LU.SBS0D.005 105Dk AO521- LU.SBS0D.004 105Dk AO521- LU.SBS0D.003 105Dk AO521- LU.SBS0D.001 105Dk AO521- S2.SBS0D.003 105Dk AO521- S2.SBS0D.001 105Dk AO521- S2.SBS0D.002 105Dk AO521- S2.SBV0D.006 105DGc AO521- S2.SBV0D.005 105DGc AO521- S2.SBV0D.004 105DGc AO521- S2.SBV0D.003...
  • Page 156 Model Acer Part No AO521- S2.SBW0D.006 105DGk AO521- S2.SBW0D.005 105DGk AO521- S2.SBW0D.004 32DGk AO521- S2.SBW0D.003 32DGk AO521- S2.SBW0D.002 105DGk AO521- S2.SBW0D.001 105DGk Model Acer Part No AO521- LU.SBT0D.017 105Dc AO521- LU.SBT0D.016 105Dc AO521- LU.SBT0D.015 12BDc AO521- LU.SBT0D.014 12BDc AO521- LU.SBT01.002...
  • Page 157 Model Acer Part No AO521- LU.SBT0D.007 105Dc AO521- LU.SBT0D.006 105Dc AO521- LU.SBT0D.005 105Dc AO521- LU.SBT0D.004 12BDc AO521- LU.SBT0D.002 12BDc AO521- LU.SBT0D.001 105Dc AO521- LU.SBT0H.001 105Hc AO521- S2.SBT0D.003 105Dc AO521- S2.SBT0D.002 105Dc AO521- S2.SBT0D.001 105Dc AO521- LU.SBS0D.065 105Dk AO521- LU.SBS0D.064 105Dk AO521- LU.SBS0D.063...
  • Page 158 Model Acer Part No AO521- LU.SBS0D.053 12BDk AO521- LU.SBS0H.001 105Hk AO521- LU.SBS0D.052 105Dk AO521- LU.SBS0D.051 105Dk AO521- LU.SBS0D.050 105Dk AO521- LU.SBS0D.049 105Dk AO521- LU.SBS0D.048 105Dk AO521- LU.SBS0D.047 105Dk AO521- LU.SBS0D.046 105Dk AO521- LU.SBS0D.045 105Dk AO521- LU.SBS0D.044 105Dk AO521- LU.SBS0D.043 105Dk AO521- LU.SBS0D.042...
  • Page 159 Model Acer Part No AO521- LU.SBS0D.030 105Dk AO521- LU.SBS0D.029 105Dk AO521- LU.SBS0D.028 105Dk AO521- LU.SBS0D.027 105Dk AO521- LU.SBS0D.026 105Dk AO521- LU.SBS0D.025 105Dk AO521- LU.SBS0D.024 105Dk AO521- LU.SBS0D.023 105Dk AO521- LU.SBS0D.022 105Dk AO521- LU.SBS0D.021 105Dk AO521- LU.SBS0D.020 105Dk AO521- LU.SBS0D.019 105Dk AO521- LU.SBS0D.018...
  • Page 160 Model Acer Part No AO521- LU.SBS0D.006 105Dk AO521- LU.SBS0D.005 105Dk AO521- LU.SBS0D.004 105Dk AO521- LU.SBS0D.003 105Dk AO521- LU.SBS0D.001 105Dk AO521- S2.SBS0D.003 105Dk AO521- S2.SBS0D.001 105Dk AO521- S2.SBS0D.002 105Dk AO521- S2.SBV0D.006 105DG AO521- S2.SBV0D.005 105DG AO521- S2.SBV0D.004 105DG AO521- S2.SBV0D.003 105DG AO521- S2.SBV0D.001...
  • Page 161 Model Acer Part No AO521- S2.SBW0D.002 105DG AO521- S2.SBW0D.001 105DG Model Acer Part No AO521 LU.SBT0D.017 -105Dc AO521 LU.SBT0D.016 -105Dc AO521 LU.SBT0D.015 -12BDc AO521 LU.SBT0D.014 -12BDc AO521 LU.SBT01.002 -1051c AO521 LU.SBT01.001 -1051c AO521 LU.SBT0D.003 -12BDc AO521 S2.SBT0D.004 -105Dc AO521 LU.SBT0D.013...
  • Page 162 Model Acer Part No AO521 LU.SBT0H.001 -105Hc AO521 S2.SBT0D.003 -105Dc AO521 S2.SBT0D.002 -105Dc AO521 S2.SBT0D.001 -105Dc AO521 LU.SBS0D.065 -105Dk AO521 LU.SBS0D.064 -105Dk AO521 LU.SBS0D.063 -12BDk AO521 LU.SBS0D.062 -12BDk AO521 S2.SBS0D.004 -105Dk AO521 LU.SBS0D.061 -12BDk AO521 LU.SBS0D.060 -12BDk AO521 LU.SBS0D.059 -105Dk AO521 LU.SBS0D.058...
  • Page 163 Model Acer Part No AO521 LU.SBS0D.048 -105Dk AO521 LU.SBS0D.047 -105Dk AO521 LU.SBS0D.046 -105Dk AO521 LU.SBS0D.045 -105Dk AO521 LU.SBS0D.044 -105Dk AO521 LU.SBS0D.043 -105Dk AO521 LU.SBS0D.042 -105Dk AO521 LU.SBS0D.041 -105Dk AO521 LU.SBS0D.040 -105Dk AO521 LU.SBS0D.039 -105Dk AO521 LU.SBS0D.038 -105Dk AO521 LU.SBS0D.037 -105Dk AO521 LU.SBS0D.036...
  • Page 164 Model Acer Part No AO521 LU.SBS0D.024 -105Dk AO521 LU.SBS0D.023 -105Dk AO521 LU.SBS0D.022 -105Dk AO521 LU.SBS0D.021 -105Dk AO521 LU.SBS0D.020 -105Dk AO521 LU.SBS0D.019 -105Dk AO521 LU.SBS0D.018 -105Dk AO521 LU.SBS0D.017 -105Dk AO521 LU.SBS0D.016 -105Dk AO521 LU.SBS0D.015 -105Dk AO521 LU.SBS0D.014 -105Dk AO521 LU.SBS0D.013 -105Dk AO521 LU.SBS0D.012...
  • Page 165 Model Acer Part No AO521 S2.SBS0D.001 -105Dk AO521 S2.SBS0D.002 -105Dk AO521 S2.SBV0D.006 105DG AO521 S2.SBV0D.005 105DG AO521 S2.SBV0D.004 105DG AO521 S2.SBV0D.003 105DG AO521 S2.SBV0D.001 12DGc AO521 S2.SBV0D.002 12DGc AO521 S2.SBW0D.008 105DG AO521 S2.SBW0D.007 105DG AO521 S2.SBW0D.006 105DG AO521 S2.SBW0D.005 105DG AO521 S2.SBW0D.004...
  • Page 166 Model Acer Part No AO521 S2.SBW0D.001 105DG Model Acer Part No AO521-105Dc LU.SBT0D.017 AO521-105Dc LU.SBT0D.016 AO521-12BDc LU.SBT0D.015 AO521-12BDc LU.SBT0D.014 AO521-1051c LU.SBT01.002 AO521-1051c LU.SBT01.001 AO521-12BDc LU.SBT0D.003 AO521-105Dc S2.SBT0D.004 AO521-12BDc LU.SBT0D.013 AO521-12BDc LU.SBT0D.012 AO521-105Dc LU.SBT0D.011 AO521-12BDc LU.SBT0D.010 AO521-105Dc LU.SBT0D.009 AO521-105Dc LU.SBT0D.008 AO521-105Dc LU.SBT0D.007...
  • Page 167 Model Acer Part No AO521-12BHk LU.SBS0H.002 AO521-12BDk LU.SBS0D.053 AO521-105Hk LU.SBS0H.001 AO521-105Dk LU.SBS0D.052 AO521-105Dk LU.SBS0D.051 AO521-105Dk LU.SBS0D.050 AO521-105Dk LU.SBS0D.049 AO521-105Dk LU.SBS0D.048 AO521-105Dk LU.SBS0D.047 AO521-105Dk LU.SBS0D.046 AO521-105Dk LU.SBS0D.045 AO521-105Dk LU.SBS0D.044 AO521-105Dk LU.SBS0D.043 AO521-105Dk LU.SBS0D.042 AO521-105Dk LU.SBS0D.041 AO521-105Dk LU.SBS0D.040 AO521-105Dk LU.SBS0D.039 AO521-105Dk LU.SBS0D.038 AO521-105Dk LU.SBS0D.037...
  • Page 168 Model Acer Part No AO521-105Dk LU.SBS0D.012 AO521-105Dk LU.SBS0D.011 AO521-105Dk LU.SBS0D.010 AO521-105Dk LU.SBS0D.009 AO521-105Dk LU.SBS0D.008 AO521-105Dk LU.SBS0D.007 AO521-105Dk LU.SBS0D.006 AO521-105Dk LU.SBS0D.005 AO521-105Dk LU.SBS0D.004 AO521-105Dk LU.SBS0D.003 AO521-105Dk LU.SBS0D.001 AO521-105Dk S2.SBS0D.003 AO521-105Dk S2.SBS0D.001 AO521-105Dk S2.SBS0D.002 AO521-105DGc S2.SBV0D.006 AO521-105DGc S2.SBV0D.005 AO521-105DGc S2.SBV0D.004 AO521-105DGc S2.SBV0D.003 AO521-12DGc S2.SBV0D.001...
  • Page 169 Test Compatible Components This computer’s compatibility is tested and verified by Acer’s internal testing department. All of its system functions are tested under Windows Refer to the following lists for components, adapter cards, and peripherals which have passed these tests.
  • Page 170 ML320S SATA 8MB LF F/W:01.01A01 HDD WD 2.5" 5400rpm 250GB WD2500BEVT-22A23T0, WD, ML320S SATA 8MB LF F/W:01.01A01. Keyboard ACER NT0T_A10B NT0T Internal 10 Standard Black Y2010 Acer Legend Texture Atheros AR8152L LED LCD CMO 10.1" WSVGA Glare N101L6-L0D LF 200nit 10ms 500:1 LED LCD LPL 10.1"...
  • Page 171 BRAND NB Chipset AMDRS880M SB Chipset AMDSB820M Side Port VR1GbIII8 HYNIX VR1GbIII8 SAMSUNG VR1GbIII8 Software McAfee VGA Chip None WiFi Antenna PIFA Wireless LAN Foxconn 3rd WiFi 1x1 Foxconn 3rd WiFi 1x1 Liteon 3rd WiFi 1x1 Appendix B Type AMD RS880M w/ HDCP EEPROM AMD SB820M VRAM ATI Graphic DDRIII 800 1Gb 23BY2387MB-12 LF+HF VRAM HYNIX Graphic DDRIII 800 1Gb H5TQ1G63BFR-12C...
  • Page 172 Appendix B...

  • Page 173: Online Support Information

    This section describes online technical support services available to help you repair your Acer Systems. If you are a distributor, dealer, ASP or TPM, please refer your technical queries to your local Acer branch office. Acer Branch Offices and Regional Business Units may access our website. However some information sources will require a user i.d.
  • Page 175 Battery Pack Removing BIOS ROM type vendor 29–37 BIOS Utility Advanced Boot Exit Navigating Power Save and Exit Security System Security brightness hotkeys Camera Board 80, 87 Removing Common Problems CRT Cable Removing DIMM Module Removing Display display hotkeys Euro Key External Module Disassembly Flowchart Features...
  • Page 176 No Display Issue ODD Failure Online Support Information Panel PC Card Power On Failure Speaker Module Removing speakers hotkey System Block Diagram Test Compatible Components Thermal Module Removing Touch Pad Failure Troubleshooting Built-in KB Failure Internal Microphone Internal Speakers LCD Failure No Display Other Failures Power On...
  • Page 177 Index...

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