Instruction/ maintenance manual of the product 521 Acer
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Aspire one 521 Series Service Guide PRINTED IN T AIW AN Service guide files and updates are availab le on the ACER/CSD web; for more information, please refer to http://csd.
II Revision History Please refer to the table below for the updates ma de on this service guide. Date Chapter Up date s.
III Copyright Copyright © 2010 by Acer Incorporated. All rights rese rved. No part of this pub lication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into a.
IV Conventions The following conventi ons are used in this manual: NOTE: This symbol where placed in th e Serv ic e Gu id e desig nat es a component tha t s hould be recycled a ccording to the local regulatio ns. SCREEN MESSAGES Denotes actual messages that appear on screen.
V Preface Before using this information and the product it s upports, please read the fo llowing general info rma tion. 1. This Service Guide provides you with all techni cal information relating to the BASIC CON FIGUR A TION decided for Acer's "glo bal" product offering.
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VII T able of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIII T able of Contents Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Removing the Thermal Module .
IX T able of Contents FRU (Field Replaceable Unit) List 131 Exploded Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 31 Main Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
X T able of Contents.
Chapter 1 1 System Specifications Features Below is a brief summary of the computer ’s many features: Operating System • Genuine Windows® 7 Home Basi c 32-bit (China o nly) • Genuine Windows® 7 S tarter 32-bit Platform • AMD V Series processor V105 (512 KB L2 cache, 1.
2 Chapter 1 • Onyx Blac k Storage subsystem • Hard disk drive: • 2.5" (9.5 mm) 160/250 GB • Multi-in-1 card reader , supporting: • Secure Digital™ (SD) Card, MultiMediaCard™ (MMC), .
Chapter 1 3 Dimensions and Weight • 259 (W) x 189.7 (D) x 23.2/2 8.3 (H ) mm (10.20 (W) x 7.47 (D) x 0.91/1.1 1 (H) inches) • 1.25 kg (2.76 lbs.)2 (for models with 6-cell 5800 mAh battery pack) Po.
4 Chapter 1 • 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 •.
Chapter 1 5 System Block Diagram A MD ASB2 CPU Geneva HyperTransport LI NK RS880M P2~5 P6~9 LVDS CON P16 UNBUFFERED DDRIII SODIMM P15 DDR III,800 MT/s Channel A HDT P4 HyperTransport LINK0 CPU I/F DX10 IGP LVDS 1X16 P CIE I/F 1X4 PCIE I/F WI TH SB 6X1 PCIE I/F 16x16 VGA CON P16 LVDS MUX LAN-A R8152L P21 SB820M USB2.
6 Chapter 1 Notebook Tour This section provides an overview of th e featu res and functions of the notebook. Top View # Icon Item Description 1 Acer Crystal Eye webcam Web camera for video communication. (only for certain models) 2 Display screen Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model).
Chapter 1 7 NOTE: *Front panel indicators are visible even when the computer cover is closed. Closed Front View Left View 6 Power* Indicates the comp ut er’s power st atus. Battery* Indicates the comp ut er’s batter y st atus. 1. Charging: The ligh t show s amber when the light is charging.
8 Chapter 1 Right View 5 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB camera). 6 Multi-in-1 card reader Accepts Secure Digit al (S D), MultiMediaCard (MMC), Memory S tick (MS), Memory S tick PRO (MS PRO), xDPicture Card (xD). Note: Push to remove/install the card.
Chapter 1 9 Base View Indicators The computer has several easy-to-read status indica tors. The battery indicato r is visible even when the computer cover is closed. # Icon Item Description 12 Battery bay Houses the computer ’s battery pack. Note: The battery shown is for reference only .
10 Chapter 1 TouchPad Basics The following items show you how to use the T ouchPa d: • Move your finger across the T ouchPad (1) to move th e curso r . • Press the left (2) and right (3) buttons located beneath the T ouchPad to perform selection and execution functions.
Chapter 1 11 Using the Keyboard Y our computer has a clo se-to-full-sized keyboard and an embedded nume ric keypad, sep arate cursor , lock, function and special keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which yo u can to ggle on and off.
12 Chapter 1 Windows Keys The keyboard has two keys that perform Wi ndow s-specific functions. Key Description Windows key Pressed alone, this key ha s the same effect as clicking on the Windows St art button; it launches the S tart menu.
Chapter 1 13 Hot Keys The computer employs hotkeys or key combinations to access most of the computer 's controls like screen brightness and volu me output. T o activate hotkeys, press and hold the <Fn> key before pressing the other key in the hotkey combi nation.
14 Chapter 1 Special Keys Y ou can locate the Euro symbol and the US dollar si gn at the upper-center an d/or bottom-right of your keyboard. The Euro symbol 1. Open a text editor or word processor. 2. Hold <Alt Gr> and the n press the <5> key at the upper-center of the keyboard .
Chapter 1 15 Hardware Specifications and Configurations Processor Processor Specifications CPU Fan T rue V alue T able (UMA) Throttling 50% : On = 100°C; OFF=85°C OS shut down at 105°C; H/W shut do.
16 Chapter 1 Features • CPU HyperTransport. Interface • Supports 16-bit up/down HyperTran sport (HT) 3.0 interface up to 4.4 G T/s. • Supports 200, 400, 600, 800 , and 1000 MHz HT1 frequen cies. • Supports 1.6, 1.8, 2.0, and 2.2 GHz HT3 frequencie s.
Chapter 1 17 Item (NB Cont.) Specification Features • Support for GDI extensi ons: • In Windows XP and Windows Vista: Alpha BL T , Transparent BL T , and Gradient Fill. • In Windows 7: Alpha BL T , Transp arent BL T , Color Fill BL T , S tretch BL T , and Clear T y pe BL T .
18 Chapter 1 Item (NB Cont.) Specification Features • New multi-level texture ca che to gi ve optimal performance, greater than 8x the previous designs. • High efficiency ring bus memory controller: • Programmable arbitration logic maximizes memory efficiency , software upgradeable.
Chapter 1 19 Item (NB Cont.) Specification Features • Hardware cursor up to 64 x64 pi xels 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 tw o colors, transparent, and inverse transpar ent.
20 Chapter 1 Item (NB Cont.) Sp ecification Features • The RS880M complies w ith all relevant Windows L ogo Program (WLP) requirements from Micros oft for WHQL certification.
Chapter 1 21 Southbridge Chi p set Item Specif ication Chipset SB820M Package Features *Processor Interface Supports AMD mobile processors code-named “Champlain,” and “Geneva.
22 Chapter 1 Item (SB Cont.) Specification Features *SA T A Controller Supports six Third generation SA T A ports (compatible with de vices running at 6 Gbits/s, 3 Gbit/s, and1.5 Gbit/s) Complies with SA T A 2.6 specification Supports three modes of operation: *IDE emulation mode AHCI mode (compliant with AHCI specification revisio n 1.
Chapter 1 23 System Memory Item (SB Cont.) Specification Features *Power Ma nagement ACPI specification 3.0 comp liant powe r management schemes Supports CPU C1e, C2, C3, C3 pop-up, C4, and C5 states .
24 Chapter 1 Hard Disk Drive Interface BIOS LCD 10.1” Item Sp ecification V endo r & Model Name Seagate AB160314009 AB250315000 AB320325009 HGST AB545016015 AB545025015 AB545032018 T oshiba 65GX.
Chapter 1 25 Bluetooth 2.0 Bluetooth 3.0 Display Mode Normally White T ypical White Luminance (cd/m 2 ) (also called Brightness) 200 Contrast Ratio 400 typical Response T ime (Optical Rise T ime/Fall T ime) msec 16 typ / 25 Max Luminance Uniformity 1.
26 Chapter 1 Audio Codec and Ampli f ie r LAN Interface Keyboard Media Card Reader Camera Item Specification Audio Controller CX20672-1 1Z Package 40-QFN Features • Compliant with Intel High Defi n ition Aud io Specification Rev .
Chapter 1 27 Wireless LAN Battery 3G Focusing range 26.6cm ~ infinity (Chico ny) 70cm (Suyin) Dimensions (L x W x H mm) 65 x 8 x 3.69 +0.1 1/-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.
28 Chapter 1 I/O Interface Features • High-S peed Downlink Packet Access (HSDP A) • High-S p eed Uplink Packet Access (HSUP A) • Receive Diversity in C DMA2000 1X,CDMA2000 1xEV -DO and WCDMA (UM.
Chapter 2 29 System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration prog ram built into y our computer ’s BIOS (Basic Input/ Output System). Y our computer is alre ady properly configured and optimi zed, and you do not need to run this utility .
30 Chapter 2 Information The Information screen displays a summary of your computer ha rdware information. NOTE: The system information is su bject to diff erent models. Parameter Description CPU T ype This field shows the CP U type and spee d of the system.
Chapter 2 31 Main The Main screen allows th e user to set the system time and date as well as enable and disable bo ot option and recovery . NOTE: The screen above is for your reference only . Actual values may differ . The table below describes the parameters in this screen.
32 Chapter 2 Security The Security screen co ntains parameters that help sa feguard and protect your co mputer from unautho ri zed use. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.
Chapter 2 33 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Supervisor Password box appears: 2. T ype a password in the “Ente r New Password” field. The password length can not exceeds 8 alphanumeric characters (A-Z, a-z, 0-9, not case sensi tive).
34 Chapter 2 Changing a Password 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Password box appears. 2. T ype the current passw or d in the Enter Curr en t Pa ssw or d field and press Enter .
Chapter 2 35 Boot This menu allows the user to deci de the order of boot devices to l oad the operating syste m. Bootable devices includes the USB diskette drives, the onboard hard disk dr ive and the DVD drive in the module bay .
36 Chapter 2 Exit The Exit screen allows you to save or discard any changes you made an d qui t th e BIOS Utility . The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setu p and save your changes to CMOS.
Chapter 2 37 BIOS Flash Utility The BIOS flash memory upd ate is required for th e following con ditions: • New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted.
38 Chapter 2 DOS Flash Utility Perform the following steps to use the DOS Flash Utility: 1. Press 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.
Chapter 2 39 5. Flash is complete when the message Fl ash progra mming complete displays..
40 Chapter 2 WinFlash Utility 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. 3. When the process is complete, close all prog rams and applicat ions and reboot the system.
Chapter 2 41 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 . T o unlock the HDD password, perform the following steps: 1.
42 Chapter 2 Removing BIOS Passwords: If you key in the wrong Supervisor Password three time s, System Disabled displa ys on the screen. See the image below . T o reset the BIOS password, run clnpwd.exe as follows: 1. From a DOS prompt, Execute clnpwd.
Chapter 2 43 Miscellaneous Utilities Using Boot Sequence Selector Boot Sequence Selector allows the boot order to be changes without accessing the BIOS. T o use Boot Sequence Selector , perform the following steps: 1. Enter into DOS. 2. Execute BS.exe to display the usage screen.
44 Chapter 2 Example 1: Read DMI In formation from Memory Input: dmitools /r Output: Manufacturer (T ype1, Offset04h): Acer Product Name (T ype1, Offset05h): Aspire one xxxxx Serial Number (T ype1 , O.
Chapter 3 45 Machine Disassembly and Replacement This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting .
46 Chapter 3 Pre-disassembly Instructions Before proceeding with the disassembly procedure, make su re that you do the following: 1. T urn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cab les from the system.
Chapter 3 47 Disassembly Process The disassembly proc ess is divided into the following secti ons: • External components disassembly • Main unit disassembly • LCD module disassembly The flowcharts provided in the succe eding disassemb l y sections illustrate the entire disassembly sequence.
48 Chapter 3 External Module Disassembly Process NOTE: The product previews seen in the disassembly proce dures may not represent the final product color or configuration. Screw List External Modules Disassembly Flowchart Ste p Screw Quan tity Part No.
Chapter 3 49 Removing the Battery Pack 1. T urn the computer over . 2. Slide the battery lock/unlock l atch to the unlock p osition. 3. Slide and hold the battery relea se latch to the release pos ition (1), the n slide out the battery pack from the main unit (2).
50 Chapter 3 Removing the Dummy Card 1. Press the dummy card in to allow it to spring out. 2. Pull the dummy card out..
Chapter 3 51 Removing the Base Door 1. See “Removing the Battery Pack” on page 49. 2. Remove the seven (7) screws. 3. Lift the base door up at the finger indent ation location provided in the bottom cover . Ste p Screw Quantity Screw T ype Base Door Disassembly M2.
52 Chapter 3 Removing the DIMM Module 1. See “Removing the Battery Pack” on page 49. 2. See “Removing the Base Door” on page 51. 3. Push the memory module clips outwards.
Chapter 3 53 Removing the Hard Disk Drive Module 1. See “Removing the Battery Pack” on page 49. 2. See “Removing the Base Door” on page 51. 3. Detach the WLAN module antennas from the WLAN board. 4. Detach the 3G module antennas from the 3G board.
54 Chapter 3 6. Remove both the WLAN and 3G antennas from the cable channe l. T ake care to lift the cable away from the metal guide (green callout) at the corne r of th e HDD mo dule. 7. Grasp the tab and pull up wards while using the opposite hand to guide the H DD out of the bay .
Chapter 3 55 8. Pull the HDD module out of the connector . 9. Remove four (4) screws from the HDD bracket. 10. Remove the brackets from the HDD. Ste p Screw Quantity Screw T ype HDD Bracket Disassembl.
56 Chapter 3 Removing the WLAN Module 1. See “Removing the Battery Pack” on page 49. 2. See “Removing the Base Door” on page 51. 3. Detach the two (2) cables from the Wireless LAN module. IMPORT ANT : T ake note of the Main (black) and Auxili ary (white) connectors.
Chapter 3 57 5. Pull the WLAN module out and away ..
58 Chapter 3 Removing the 3G Module 1. See “Removing the Battery Pack” on page 49. 2. See “Removing the Base Door” on page 51. 3. Detach the two (2) cables from the 3G module. NOTE: T ake note of the Main (blue) and Auxiliary (yellow) connectors.
Chapter 3 59 5. Pull the 3Gmodule out and away ..
60 Chapter 3 Main Unit Disassembly Process IMPORT ANT : Cable paths and positioning may not represen t the actual model. During the removal and replacement of components, ensure all a vailable cabl e channels and clips are used and that the cables are replaced in the same position.
Chapter 3 61 Remove Lower Cover Remove Switch Board Remove Power Module Remove I/O Board Remove Bluetooth Module Remove Mainboard Remove Power Jack Assembly Ste p Screw Quantity Part No.
62 Chapter 3 Removing the Keyboard IMPORT ANT : The keyboard is easily warped or damaged durin g the removal process. T ake care not to use excessive force when removing to prevent damage. 1. See “External Module Disassembly Process” on page 48. 2.
Chapter 3 63 4. Detach the keyboard FPC. a. Unlock the FPC b. Pull the keyboard awa y a b.
64 Chapter 3 Removing the Upper Cover 1. See “Removing the Keyboard ” on page 62. 2. Unlock and disconnect the T oucpad board FFC. 3. Peel back the adhesive tape on the L VDS connector .
Chapter 3 65 4. Remove the seventeen (17) screws in the upper cover . 5. T urn the computer over and remove the nine (9) screws in the lower cover . Ste p Screw Quantity Screw T ype Upper Cover Disassembly M2*2.
66 Chapter 3 6. Disconnect the HDD connector fro m the chassis. 7. Pry the upper cover apart from the lower cover starti ng along the bottom edge. Lift the upper cover away .
Chapter 3 67 Removing the Touchpad Board 1. See “Removing the Upper Cove r” on page 64. 2. Pull the end of the touchboar d FFC through the upper cover .
68 Chapter 3 Removing the Bluetooth Module 1. See “Removing the Upper Cove r” on page 64. 2. Disconnect the Bluetooth module cable from the mainboa rd. 3. LIft the Bluetooth module away from the computer . 4. Detach the Bluetooth module cable from the module.
Chapter 3 69 Removing the LCD Module 1. See “Removing the Upper Cove r” on page 64. 2. Disconnect the L VDS cable and remove it from the cable channel.
70 Chapter 3 4. Remove two (2) screws from the hinge. 5. Lif the LCD assembly clear of the chassis. Ste p Screw Quantity Screw T ype LCD Module Hinge Disassembly M2.
Chapter 3 71 Removing the Mainboard 1. See “Removing the Upper Cove r” on page 64. 2. See “Removing the T ouchpad Board” on page 67. 3. See “Removing the Mainboard” on page 71. 4. T urn the computer over and disconnect the power cable from the mainboard.
72 Chapter 3 6. 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 73 Removing the Thermal Module 1. See “Removing the Mainboard” on page 71. 2. Disconnect the thermal module fan connector . 3. Loosen the four (4) captive screws.
74 Chapter 3 4. Lift the thermal module away from the main board. NOTE: Circui t boards >10 cm² have been hig hlight ed with a yellow rect angle as sh own in the previous image. Please deta ch the circuit boar d and follow local regulations for disposal.
Chapter 3 75 Removing the Speakers 1. See “Removing the Mainboard” on page 71. 2. Remove the adhesive tape from the speaker cable. 3. Remove four (4) screws from the powe r asse mb ly bracket.
76 Chapter 3 4. Lift the speakers clear of the lower cover ..
Chapter 3 77 LCD Module Disassembly Process IMPORT ANT : Cable paths and positioning may not represen t the actual model. During the removal and replacement of components, ensure all a vailable cabl e channels and clips are used and that the cables are replaced in the same position.
78 Chapter 3 Removing the LCD Bezel 1. See “Removing the T ouchpad Board” on page 67. 2. Remove the two (2) bezel screw covers and screws. 3. Pry open the bottom corners and along the bottom edge. Ste p Screw Quantity Screw T ype Remove LCD Bezel M 2.
Chapter 3 79 4. Pry the bezel away from the top and the n work around the corn ers. 5. Lift the bezel off the module..
80 Chapter 3 Removing the Camera Board 1. See “Removing the LCD Bezel” on page 78. 2. Pull up the camera b oard. 3. Disconnect the camera connector .
Chapter 3 81 Removing the LCD Panel 1. See “Removing the Camera Board” on page 80. 2. Remove the four (4) screws of the LCD panel. 3. Lift the panel clear of the cover .
82 Chapter 3 4. Peel the L VDS cabl e and mylar off the LCD panel as shown. 5. Disconnect the L VDS cable..
Chapter 3 83 Removing the LCD Cover Hinges 1. See “Removing the LCD Panel” on page 81. 2. Remove four (4) screws from the LCD c over hinges. 3. Remove the right and left LCD cover hinges.
84 Chapter 3 LCD Reassembly Procedure NOTE: During manufacture a cyanoacrylate glu e is used provided by Holdtite Adhesives L TD. This is not a specified requireme nt. The reassembler is free to select an alterna tive approp riate adhesive. Replacing the LCD Cover Hinges 1.
Chapter 3 85 Replacing the LCD FPC Cable 1. Connect the FPC cable con nector . 2. Adhere the FPC ca ble to the panel..
86 Chapter 3 Replacing the LCD Panel 3. Place the LCD panel in the cover . 4. Replace the four (4) screws, while ensuring the cables pass through the hinge co rrectly .
Chapter 3 87 Replacing the Camera Board 1. Connect the camera cable to the board as shown. 2. Press the camera board into the cover ..
88 Chapter 3 Replacing the LCD Bezel 1. Place the LCD bezel on the cover . 2. Ensure the cables are correctl y exiting the hinges..
Chapter 3 89 3. Press down on the top middle edge of the bezel to engag e the locking clips. Press down on the bezel edge working simultaneously around the edges to the bottom. 4. Replace the two (2) bezel screws and screw covers. Ste p Screw Quantity Screw T ype Replace LCD Bezel M2.
90 Chapter 3 Main Unit Reassembly Process Replacing the Speakers 1. Place the speakers in the upper cover . 2. Secure the speakers using four (4) screws.
Chapter 3 91 3. Secure the speaker cable using a strip of adhesive tape..
92 Chapter 3 Replacing the Thermal Module IMPORT ANT : Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal Module. The following thermal grease type s are approved for use: • Silmore GP50 • Honeywell • Jet Motor 7762 The following thermal pads are approved for use: • Eapus XR-PE 1.
Chapter 3 93 Replacing the Mainboard 1. Slide the main board external connector edge in first to the lower case, then lowe r into place. 2. Replace the one (1) screw to secure the mainboard to the lower cover.
94 Chapter 3 Replacing the LCD Module 1. Place the LCD module hinges into position on the lower case. 2. Replace the two (2) screws. 3. Insert the right antenna cabl es thro ugh the lower cover and pull through from the other side. Ste p Screw Quantity Screw T ype LCD Module Assembly M2.
Chapter 3 95 4. Place the L VDS cable in the hinge chann el as shown..
96 Chapter 3 Replacing the Bluetooth Module 1. Connect the Bluetooth cable to the Bluetooth module. 2. Place the Bluetooth module onto the mainboard and press down fi rmly .
Chapter 3 97 Replacing the Touchpad Board 1. Connect the touchpad FFC. 2. Lock the touchpad FFC connector . 3. Pass the touchpad board FFC through the upper cover .
98 Chapter 3 Replacing the Upper Cover 1. Place the upper cover onto the lower cover aligni ng the hinges first and then press do wn aroun d the edges.
Chapter 3 99 3. Replace nine (9) screws on the lower cover . 4. Replace the seventeen (17) screws on the upper cover . Ste p Screw Quantity Screw T ype Lower Cover Disassembly (red call out) 4 (blue c.
100 Chapter 3 5. Connect the L VDS cabl e to the mainboa rd and fo ld over the mylar to secure the connector . 6. Connect and lock the touchpad FFC..
Chapter 3 101 Replacing the Keyboard 1. Connect and lock the FFC to the mainboard. 2. T urn the keyboard over and insert the bottom edge in first, then push to down ensure the latches across the top are fully secured.
102 Chapter 3 Replacing the Hard Disk Drive 3. Replace the HDD brackets on the HDD. 4. Replace four (4) screws (two each side) to secure the bracket to the HDD module.
Chapter 3 103 2. 3. Run the 3G and WLAN antennas along the cable channel as shown. CAUTION: Carefully tuck the ca ble under the metal hinge (highlighted i n green).
104 Chapter 3 Replacing the DIMM Module IMPORT ANT : See “BIOS Recovery” on page 129. 1. Slide the DIMM module into the connector . 2. Press down till the locking springs click into place. 3. Repeat steps 1. and 2. until al l DIMMs have been repla ced.
Chapter 3 105 Replacing the 3G Module 1. Insert the 3G card into the slot. 2. Replace two (2) screws on the 3G card. 3. Connect the two (2) 3G antennas. NOTE: Please note that the blue ant enna must be connected to the Main connector and the yellow antenn a must be connected to the Auxiliary connector .
106 Chapter 3 Replacing the Wireless LAN Module 1. Insert the WLAN card into the slot. 2. Replace one (1) screw to secure the card. 3. Run the WLAN antenn as along the cable channel.
Chapter 3 107 4. Connect the two (2) WLAN antennas. NOTE: Please note that the black anten na must be connected to the Main connector and the white antenna must be connected to the Auxiliary connector .
108 Chapter 3 Replacing the Base Door 1. Replace the base door by first lining up the left edge as shown. 2. Replace seven (7) screws to secure the base door to the chassis. Replace the Dummy Card Push the dummy card into the sl ot until it clicks into place.
Chapter 3 109 Replacing the Battery 1. Slide the battery into position. 2. Close the locking la tch..
11 0 Chapter 3.
Chapter 4 111 Troubleshooting Common Problems Use the following procedure as a gui de for computer problems. NOTE: The diagnosti c tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false e rrors and invalid system responses.
11 2 Chapter 4 Power On Issue If the system doesn’t power on, perform the following acti ons one at a time to correct the problem. Do not replace non-defective FRUs: Computer Shuts down Intermittently If the system powers off at intervals, perform the fo llow ing actions one at a time to correct the problem.
Chapter 4 11 3 No Display Issue If the Displa y doesn’t work, perform the follo wing actions one at a time to correct the problem. Do not replace non-defective FRUs: No POST or Video If the POST or video doesn’t display , perform the foll owing actions one at a time to correct the problem.
11 4 Chapter 4 If the computer boots correctly , add the devices one by one until the failure point is discovered . 6. Reseat the memory modules. 7. Remove the drives (see “Disa s sembly Process” on page 47). 8. If the Issue is still not resolved, see “Online Support Information” on page 163.
Chapter 4 11 5 6. 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 ti me to correct the problem.
11 6 Chapter 4 Built-In Keyboard Failure If the built-in Keyboard fails, perform the foll owing actions one at a ti me to correct the pro blem. Do not replace non-defective FRUs: Start Keyboard proper.
Chapter 4 11 7 TouchPad Failure If the To u c h P a d doesn’t work, perform the following actions one at a time to correct the problem. Do not replace non-defective FRUs: Start Check M/B T/P FFC Re .
11 8 Chapter 4 Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the probl em. Do not replace non-defective FRUs: Sound Problems If sound problems are experienced, p erform the following actions one at a time to correct the problem.
Chapter 4 11 9 9. Restore system and file settings from a k nown good date using System Restor e . If the issue is not fixed, repeat the prec eding steps and select an earl ier time and date. 10. Reinstall the Operating System. 11 . If the Issue is still not resolved, see “Online Support Information” on page 163.
120 Chapter 4 8. If the Issue is still not resolved, see “Online Support Information” on page 163. HDD Not Operating Correctly If the HDD does not op erate correctly , perform the following ac ti ons one at a time to correct the problem. 1. Disconnect all external devices.
Chapter 4 121 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons th at have nothin g to do with a hardware defect, such as: cosmic radiation, electros tatic discharge, or software errors. FRU replacement should be considered only when a recurring prob lem exists.
122 Chapter 4 POST Code Reference Tables These tables describe the POST codes and components of the POST process. Post Code Range Code POST Routine Description 02h V erify Real Mode 03h Disable Non-Ma.
Chapter 4 123 3Dh Load alternate registe rs with CMOS values 42h Initialize interrupt vectors 45h POST device initialization 46h 2-1-2-3 Check RO M copyright notice 48h Chec k vide o configuration aga.
124 Chapter 4 87h Configure Motheboard Configurable Devices (optional) 88h Initialize BIOS Data Area 89h Enable Non-Maskable Interrupts (NMIs) 8Ah Initialize Extended BIOS Data Area 8Bh T est and init.
Chapter 4 125 C1h Initialize POST Error Manager (PEM) C2h Initialize error logging C3h Initialize error display functio n Code Beeps POST Routine Description C4h Initialize system error handler C5h Pn.
126 Chapter 4.
Chapter 5 127 Jumper and Connector Locations Mainboard Top View .
128 Chapter 5 Mainboard Bottom View !.
Chapter 5 129 BIOS Recovery BIOS Recovery by Crisis Disk BIOS Recovery Boot Block The BIOS Recovery Boot Block is a sp ecial block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this f eature to resto re the BIOS firmware to the factory settings if a BIOS flash process fails.
130 Chapter 5.
Chapter 6 131 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of the computer. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
132 Chapter 6 Main Assembly Item Description Part Number 1 2 3 4 5 6.
Chapter 6 133 NOTE: Part numbers may be different depending on your model. Please refer to the FRU List for a full li sting of part numbers. 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Item Descripti.
134 Chapter 6 LCD Assembly NOTE: Part numbers may be different depending on your model. Please refer to the FRU List for a full li sting of part numbers.
Chapter 6 135 FRU List CA TEGOR Y DESCRIPTION Part No. ADAPTER Adapter DEL T A 40W 19V 1.7x5.5x1 1 Black ADP-40 TH AA, L V5 wall-mounted, OBL LF AP .04001.002 BA TTER Y Battery SIMPLO UM-2009E Li-Ion 3S2P SAMSUNG 6 cell 5600mAh Main COMMON ID:UM09E70 BT .
136 Chapter 6 LOWER CASE (W/ SPK) 60.SBT07.002 RAM DOOR 42.SBT07.001 SD DUMMY CARD 42.SBT07.002 HDD/HARD DISK DRIVE HDD WD 2.5" 5400rpm 160GB WD1600BEVT - 22A23T0 , WD, ML320S SA T A 8MB LF F/ W:01.01A01 KH.16008.027 HDD HGST 2.5" 5400rp m 250GB HTS545025B9A300 Panth er B SA T A LF F/W:C60F Disk imbalance criteri a = 0.
Chapter 6 137 LCD MODULE LCD MODULE ASSY IMR LED(W/ANT*4, FOR 3G , NISSHA-BLACK) 6M.SBS07.001 LCD MODULE ASSY IMR LED(W/ANT*4, FOR 3G , SIPIX-BLACK) 6M.SBS07.002 LCD MODULE ASSY IMR LED(W/ANT*4, FOR 3G , NISSHA-BROWN) 6M.SBT07.001 LCD MODULE ASSY IMR LED(W/ANT*2, FOR NON-3G , SIPIX-BLACK) 6M.
138 Chapter 6 Screw List Suyin 1.3M SY9665SN AM.21400.068 MAINBOARD MAIN BOARD UMA AMD V105 1.2G ,W/ CARD READER/BT/3G MB.SBV06.001 MAIN BOARD UMA AMD V105 1.2G ,W/ CARD READER/BT , NON-3G MB.SBT06.001 TBD TBD MAIN BOARD UMA AMD K125 1.7G ,WITH CARD READER/BT/3G MB.
Appendix A 139 Model Definition and Configuration Appendix A.
140 Appendix A AO521 Model Acer Part No RO Country Description AO521- 105Dc LU.SBT0D.017 AAP Sing apore AO521-105Dc SNW7ST32 STSG1 MC UMACcc_3 1*1G/250/BT/6L2.2/5R / CBSDS_GN_1.3C_BAG_GEc_ZH31 AO521- 105Dc LU.SBT0D.016 AAP Sing apore AO521-105Dc SNW7ST32 STSG1 MC UMACcc_3 1*1G/160/BT/6L2.
Appendix A 141 AO521- 12BDc LU.SBT0D.004 AAP Philippine s AO521-12BDc EM SNW7ST32EMSTPH1 MC UMACcc_3 1*1G/250/BT/6L2.2/5R/ CBSDS_GN_1.3C_BAG_GEc_ES61 AO521- 12BDc LU.SBT0D.002 TWN GCTWN AO521- 12BDc SNW7ST32STTW1 MC UMACcc_3 1*1G/160/BT/6L2.2/5R / CBSDS_GN_1.
142 Appendix A AO521- 105Dk LU.SBS0D.056 P A ACLA- S panish AO521-105Dk EM SN W7ST32EMSTEA1 MC UMACki_3 1*1G/160/6L2.2 /5R/ CBSDS_GN_1.3C_GEk_ES51 AO521- 105Dk LU.SBS0D.055 P A ACLA- Portugues e AO521-105Dk EM SNW7ST32EMSTXC3 MC UMACki_3 1*1G/160/6L2.
Appendix A 143 AO521- 105Dk LU.SBS0D.041 EMEA Germany AO521- 105Dk SNW7ST32STDE1 MC UMACki_3 1*1G/250/6L2.2 /5R/ CBSDS_GN_1.3C_GEk_DE13 AO521- 105Dk LU.SBS0D.040 EMEA Eastern Europe AO521-105Dk SNW7ST32 STEU5 MC UMACki_3 1*1G/250/6L2.2 /5R/ CBSDS_GN_1.
144 Appendix A AO521- 105Dk LU.SBS0D.024 EMEA Hungary AO521- 105Dk SNW7ST32STHU1 MC UMACki_3 1*1G/250/6L2.2 /5R/ CBSDS_GN_1.3C_GEk_HU1 1 AO521- 105Dk LU.SBS0D.023 EMEA Denmark AO521- 105Dk SNW7ST32STDK1 MC UMACki_3 1*1G/250/6L2.2 /5R/ CBSDS_GN_1.3C_GEk_NO1 1 AO521- 105Dk LU.
Appendix A 145 AO521- 105Dk LU.SBS0D.007 EMEA Middle East AO521-105Dk EM SNW7ST32EMSTME2 MC UMACki_3 1*1G/250/6 L2.2/5R/ CBSDS_GN_1.3C_GEk_AR1 1 AO521- 105Dk LU.SBS0D.006 EMEA South Africa AO521-105Dk EM SNW7ST32EMSTZA1 MC UMACki_3 1*1G/250/6L2.2 /5R/ CBSDS_GN_1.
146 Appendix A AO521- 105DGk S2.SBW0D.006 WW WW AO521-105DGk SNW7ST32SWW1 MC UMAGCki_3 1*1G/160/BT/6L2.8/5R/ CBSDS_GN_1.3C_E77R1_GEk_ES61 AO521- 105DGk S2.SBW0D.005 WW GCTWN AO521-105DGk SNW7ST32SWW 1 MC UMAGCki_3 1*1G/160/BT/6L2.8/5R/ CBSDS_GN_1.3C_E77R1_GEk_ES62 AO521- 32DGk S2.
Appendix A 147 AO521- 105Dc LU.SBT0D.007 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dc LU.SBT0D.006 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dc LU.SBT0D.005 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 12BDc LU.SBT0D.
148 Appendix A AO521- 12BDk LU.SBS0D.053 AAK12 5B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Hk LU.SBS0H.001 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.052 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.
Appendix A 149 AO521- 105Dk LU.SBS0D.030 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.029 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.028 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.
150 Appendix A AO521- 105Dk LU.SBS0D.006 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.005 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.004 AMDV1 05B NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105Dk LU.SBS0D.
Appendix A 151 AO521- 105DG k S2.SBW0D.002 AMDV1 05 NLED10.1 WSVGAGS UMA N SO1GBIII10 N AO521- 105DG k S2.SBW0D.001 AMDV1 05 NLED10.1 WSVGAGS UMA N SO1GBIII10 N Model Acer Part No Memory 3 Memory 4 HDD 1(GB) HDD 2(GB) ODD Media Processor AO521 -105Dc LU.
152 Appendix A AO521 -105Hc LU.SBT0H.001 N N N160G B5.4KS NN N AO521 -105Dc S2.SBT0D.003 N N N250G B5.4KS NN N AO521 -105Dc S2.SBT0D.002 N N N160G B5.4KS NN N AO521 -105Dc S2.SBT0D.001 N N N160G B5.4KS NN N AO521 -105Dk LU.SBS0D.065 N N N250G B5.4KS NN N AO521 -105Dk LU.
Appendix A 153 AO521 -105Dk LU.SBS0D.048 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.047 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.046 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.045 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.044 N N N250G B5.4KS NN N AO521 -105Dk LU.
154 Appendix A AO521 -105Dk LU.SBS0D.024 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.023 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.022 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.021 N N N250G B5.4KS NN N AO521 -105Dk LU.SBS0D.020 N N N250G B5.4KS NN N AO521 -105Dk LU.
Appendix A 155 AO521 -105Dk S2.SBS0D.001 N N N160G B5.4KS NN N AO521 -105Dk S2.SBS0D.002 N N N160G B5.4KS NN N AO521 - 105DG c S2.SBV0D.006 N N N160G B5.4KS NN N AO521 - 105DG c S2.SBV0D.005 N N N160G B5.4KS NN N AO521 - 105DG c S2.SBV0D.004 N N N160G B5.
156 Appendix A AO521 - 105DG k S2.SBW0D.001 N N N250G B5.4KS NN N Model Acer Part No Extra SW1 Card Reader Wireless LAN1 Bluetooth AO521-105Dc LU.SBT 0D.01 7 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN BT 2.1 AO521-105Dc LU.SBT 0D.01 6 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN BT 2.
Appendix A 157 AO521-12BHk LU.SBS0H.002 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-12BDk LU.SBS0D.053 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN BT 2.1 AO521-105Hk LU.SBS0 H.0 01 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-105Dk LU.SBS0 D.0 52 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-105Dk LU.
158 Appendix A AO521-105Dk LU.SBS0 D.0 12 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-105Dk LU.SBS0 D.0 1 1 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-105Dk LU.SBS0 D.0 10 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-105Dk LU.SBS0 D.0 09 McAfee 5 in 1-Build in 3rd WiFi 1x1 BGN N AO521-105Dk LU.
Appendix B 159 Test Compatible Components This computer ’s compat ibility is tested and verified by Acer ’s internal testing department. All of it s system functions are tested under Windows ® 7 environment. Refer to the following lists for components, adapter ca rds, and peripherals which have passed these tests.
160 Appendix B Liteon 1.3M Liteon 1.3M L T9665AL (09P2SF1 19) Suyin 1.3M Suyin 1.3M SY9665SN Card Reader 5 in 1-Build in 5 in 1-Build in MS, MS Pr o, SD, SC, XD CPU AMDISS AAK125B CPU AMD AthlonII K125 BGA 1.7G 1M 12W , Neo AMDISS AMDV105B CPU AMD - V105 BGA 1.
Appendix B 161 NB Chip set AMD AMDRS880M AMD RS880M w/ HDCP EEPROM SB Chip set AMD AMDSB820M AMD SB820M Side Port A TI VR1GbIII8 VRAM A TI Graphic DDRIII 800 1Gb 23BY2387MB-12 LF +HF HYNIX VR1GbIII8 V.
162 Appendix B.
Appendix C 163 Online Support Information This section describe s online techni cal support services a vailable to help you repair your Acer Systems. If you are a distributor , dealer , ASP or TPM, please re fer your technical queries to your local Acer branch office.
164.
Index 165 B Battery Pack Removing 49 BIOS ROM type 24 vendor 24 BIOS Utility 29–37 Advanced 32 Boot 35 Exit 36 Navigating 29 Power 35 Save and Exit 36 Security 32 System Security 36 brightness hotke.
166 Index No Display Issue 113 O ODD Failure 120 Online Support In formation 163 P Panel 6 PC Card 9 Power On Failure 112 S S peaker Module Removing 68 speakers hotkey 13 System Block Diagram 5 T T es.
167 Index.
An important point after buying a device Acer 521 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Acer 521 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Acer 521 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Acer 521 you will learn all the available features of the product, as well as information on its operation. The information that you get Acer 521 will certainly help you make a decision on the purchase.
If you already are a holder of Acer 521, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Acer 521.
However, one of the most important roles played by the user manual is to help in solving problems with Acer 521. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Acer 521 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
