Benutzeranleitung / Produktwartung D720 des Produzenten eMachines
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eMachines D720/D520 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 eMachines D720/D520 Series servi ce guide. Date Chapter Up date s.
III Copyright Copyright © 2008 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: SCREEN MESSAGES Denotes actual messages that appe ar on screen. NOTE Gives bits and pieces of additional information related to the current topic. W ARNING Alerts you to any damage that might result from doing or not doing specific actions.
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.
VI.
VII T able of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIII T able of Contents Removing the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Removing the Upper Cover .
IX T able of Contents ODD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Modem Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Wireless Function Failure .
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® Vista™ Platform • Intel® Pentium® dual-core pr ocessor* • Intel® Celeron® processor* • Mobile Intel® GL40 Express Chipset • IEEE 802.
2 Chapter 1 Communication • Integrated webcam* • WLAN: IEEE 802.1 1b/g • LAN: Fast Ethernet ; W ake-on-LAN ready Privacy control • BIOS user , supe rvisor , HDD passwords • Kensington lock slot Power subsystem • ACPI 3.0 • 48.8 W 4400 mAh • 3-pin 65 W AC adapter • ENERGY ST AR® 4.
Chapter 1 3 System Block Diagram.
4 Chapter 1 Y our Acer Notebook tour After knowing your computer features, le t us show you around you r new computer . Front V iew No. Icon Item Description 1 Microphone Internal microphone for sound recording. 2 Integrate d webcam Web camera for video communication (for selected models).
Chapter 1 5 NOTE: The Power and Battery indicators are visibl e even whe n the computer cover is closed Closed Front V iew Rear V iew 9 T ouchPad T ouch-sensitive pointing devi ce which functions like a computer mouse. 10 Click buttons (left and right) The left and right buttons function like the left and right mouse bu tt ons.
6 Chapter 1 Left V iew No. Icon Item Description 1 Ethernet (RJ-4 5) port Connects to an Ethernet 10/100-based network. 2 External display (VGA) port Connects to a display device (e.g. external moni tor , LCD projector). 3 USB 2.0 ports Connect to USB 2.
Chapter 1 7 Right V iew No. Icon Item Description 1 Kensington lock slot Connects to a Kensington-compatible computer security lock. Note: Wrap the computer security lock cable around an immova ble object such a s a table or handle of a locked drawer .
8 Chapter 1 Bottom V iew No. Icon Item Description 1 Battery bay Houses the computer's battery pack. 2 Battery release latch Releases the battery for removal. 3 Memory compartment Houses the computer's main memory . 4 Hard disk bay Houses the computer's hard disk (secured with screws).
Chapter 1 9 Indicators The computer has several easy-to-read status indicators . T he front panel indicators are visible even when the computer cover is closed. NOTE: 1. Chargi ng: The light shows amber when the battery is charging. 2. Fully ch arg ed: The light shows green when in AC mode.
10 Chapter 1 T ouchPad Basics (with fingerprint reader) The following items show you how to use the T ouchP ad with Acer Bio-Protection fi ng e rprint reade r : • Move your finger across the T ouchPad (1) to move th e cursor . • Press the left (2) and right (3) buttons located beneath the T ouchPad to perform selectio n and execution functions.
Chapter 1 11 Using the Keyboard The keyboard has full-sized keys and an embedded numeric keypad, separate cursor , lock, Windows, fun ction 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 W indows 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, volume out put and the BIOS utility . T o activate hot keys, press and hold the < Fn> key before pressing the other key in the hotkey combination.
14 Chapter 1 Special Key Y ou can locate the Euro symbol and the US doll ar 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 Using the System Utilities Acer GridV ista (dual-display compatible) NOTE: This feature is only available on certain models. T o enable the dual monitor featu re of the notebook, firs t ensure that the second moni tor is conn ected, then select St art, Control Panel, Display and click on Settings .
16 Chapter 1 Hardware Specifications and Configurations Processor CPU Fan T rue V alue T able • Throttling 50%: On= 85°C; OF F=78°C • OS shut down at 90°C; H/W shut down at 96°C BIOS Item Spec.
Chapter 1 17 System Memory Memory Combinations NOTE: Above table lists s ome system memory configur ations. Y ou may combine DIMMs with various capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 co uld be reversed.
18 Chapter 1 Hard Disk Drive Interface Item Specification V endor Seagate Momentus 5400.4 SA T A Model Name ST9250827AS ST9160827AS ST9120817AS Capacity (MB) 250 160 120 Bytes per sector 512 Data head.
Chapter 1 19 Super-Multi Driv e Module Audio Interface System Board Major Chips Keyboard Item Specification V end or & model name HLDS/GSA-T50N, Philips DS-8A2S, Sony/AD-7560S, T oshiba Digi /TS-L633A Performance S pecific ation With CD Diske tt e With DVD D is k et te T ransfer rate (MB/sec) Sustained: Max 3.
20 Chapter 1 Battery LCD 14.1” Windows logo key Y es Internal & external keyboard work simultaneously Ye s Item Specification V endo r & mo del name Sanyo, Sony , Panasonic, Simplo Battery T ype Li Ion Pack capacity 2400/4400 mAh Number of battery cell 6 Package configuration 3S2P Item Specification V endo r/mode l name LG .
Chapter 2 21 System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration prog ram built into y our computer ’s BIOS (Basic Input/ Output System). Y our compute r is already properly configured and optimi zed, and you do not need to run this utility .
22 Chapter 2 Information The Information screen displays a summary of your computer ha rdware information. NOTE: The system information is su bject to diff erent models. Parameter Description CPU T ype This field shows the CP U type and spee d of the system.
Chapter 2 23 Main The Main screen allows th e user to set the system time and date as well as enable and disable bo ot option and recovery . NOTE: The screen above is for your reference only . Actual values may differ . The table below describes the parameters in this screen.
24 Chapter 2 Advanced The Advanced screen allows the user to c onfigu re the various advanced BIOS options. IMPORT ANT : Making incorrect settings to item s on these pages may cause the system to malfunction. Unless you have experience adjus ti ng these items, we re commend that you leave these setti ngs at the default values.
Chapter 2 25 USB Configuration Enter the USB Configuration menu. • USB Driver Select • EHCI 1 and 2 • UHCI 1 to 5 • Per-Port Control Chipset Configuration Enter the Chipset Configuration menu.
26 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 27 Setting a Password Follow these steps as you set the user or the supervisor password: 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Supervisor Password box appears: 2. T ype a password in the “Ente r New Password” field.
28 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 29 Power The Power screen allows th e user to configure various CPU and power management op tions and device wakeup behavior . The table below describes the items, menus, and submenus in this screen. Settings in boldface are the default and suggested parameter setting s.
30 Chapter 2 Platform Power management Enter the Platform Power Management menu. • PCI Clock Run • _CST - C4 Latency V alue • C4 on C3 - Deeper Sleep ACPI S3 Enable or Disable ACPI S1/S3 Sleep S tate N/A W ake on PME Enable or Disable wake up when the system power is of f and a PCI Power Management Enable wake up eve nt occurs.
Chapter 2 31 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 . InsydeH20 Setup Utility Rev.
32 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 33 BIOS Flash Utilities The BIOS flash memory upd ate is required for th e following con ditions: • New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. Use the Phlash util ity to update the system BIOS flash ROM.
34 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 35 4. In flash BI OS, the me ssage Please do not remo ve AC Power Source displays. NOTE: If the AC power is n ot connected, the following message displays. Plug in the AC po wer to continue. 5. Flash is complete when the message Fl ash programming complete displays.
36 Chapter 2 W inFlash 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 programs and applicat ions and reboot the system.
Chapter 2 37 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.
38 Chapter 2 Removing BIOS Passw or ds: 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 BIOS_PW .EXE as follows: 1. Key in bios_pw 14452 0 2. Select one string from the list.
Chapter 2 39 3. Reboot the system and key in the selected string (qjjg9vy , 07yqmjd etc.) for the BIOS user password. Cleaning BIOS Passwords T o clear the password, perform the following steps: 1. From a D OS prompt , Execute clnpwd.exe 2. Press 1 or 2 to clean the desired password shown on the screen.
40 Chapter 2.
Chapter 3 41 Machine Disassembly and Replacement IMPORT ANT : The outside housing and color may vary from the mass produced mo del. This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting .
42 Chapter 3 General Information Pre-disassembly Instructions Before proceeding with the disassembly procedure, make su re that you do the following: 1. T urn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cab les from the system.
Chapter 3 43 External Module Disassembly Process IMPORT ANT : The outside housing and color may vary from the mass produced mo del. External Modules Disassembly Flowchart The flowchart below gives you a graph ic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicin g .
44 Chapter 3 Removing the Battery Pack 1. T urn computer over . 2. Slide the battery lock/unlock l atch to the unlock p osition. 3. Slide and hold the batte ry release latch to the rele ase posi tion (1), then slid e out the battery pack from the main unit (2).
Chapter 3 45 Removing the Lower Covers 1. See “Removing the Battery Pack” on page 44. 2. Remove the three screws from the memory and WLAN bays and loosen the two ca ptive screws on the HDD cover . 3. Carefully open the memory cover . 4. Remove the HDD cover as shown.
46 Chapter 3 5. Remove the WLAN cover as shown..
Chapter 3 47 Removing the DIMM Modules 1. See “Removing the Battery Pack” on page 44. 2. Remove the Memory Module cover See “Removing the Lo wer Covers” on page 45. 3. Push out the release latches on both sides of the DIMM socket to release th e DIMM module.
48 Chapter 3 Removing the WLAN Module 1. See “Removing the Battery Pack” on page 44. 2. Remove the WLAN cover . See “Removing the Lower Covers” on page 45. 3. Disconnect the antenna cables from the WL AN board. 4. Move the antenna away and remove the two screws on the WLAN board to release the WLAN board.
Chapter 3 49 NOTE: When attaching the ante nna back to the WLAN board, make sure the cables are sitti ng in the housing to prevent damage..
50 Chapter 3 Removing the Hard Disk Drive Module 1. See “Removing the Battery Pack” on page 44. 2. Remove the HDD cover , See “R emoving the Lower Covers” on page 45. 3. Use the pull-tab to pull and lift the hard disk drive module out of the bay .
Chapter 3 51 5. Remove the HDD from the carrier . Ste p Size Quantity Screw T ype HDD Carrier M3*3 4.
52 Chapter 3 Removing the Optical Drive Module 1. See “Removing the Battery Pack” on page 44. 2. Remove the Memory cover . See “Removing the Lower Covers” on page 45. 3. Remove the screw securing the ODD module. 4. Pull the optical drive modul e out from th e ch assis.
Chapter 3 53 5. Remove the three screws securing the ODD bracket and re move the ODD bracket from the optical disk drive module. 6. Insert a pin in the eject hole of the ODD to eject th e ODD tray . 7. Press down on the locking catch to release the ODD cover and remove.
54 Chapter 3 Main Unit Disassembly Process IMPORT ANT : The outside housing and color may vary from the mass produced mo del. Main Unit Disassembly Flowchart Screw List Step Screw Quantity Part No. Switch Cover M2.5*5 3 86.A T902.002 LCD Module M2.5*8 2 86.
Chapter 3 55 Removing the Switch Cover CAUTION: Using tools to remove the Switch Cover ma y cause damage to the outer casing. It is recommended that you only use your fingers to remove the Switch Cover . 1. See “Removing the Battery Pack” on page 44.
56 Chapter 3.
Chapter 3 57 Removing the Keyboard 1. See “Removing the Switch Cover” on page 55. 2. Lift the keyb oa rd away from the chassis as shown . 3. T urn the keyboard over on the T ouchPad area to expose the FF C cable. 4. Open the cable retainer and disconnect the FFC ca ble from the mainboard.
58 Chapter 3 Removing the Antenna 1. See See “Removing the Keyboard” on page 57. 2. Remove the Antenna Cables from the securing pins as shown. 3. T urn the computer over . Remo ve the a dhesive strip holding the antenn a cables. 4. Feed the antenn a cables from the undersi de of the computer .
Chapter 3 59 5. Remove the Antenna Cables from the securing pins as shown..
60 Chapter 3 Removing the LCD Module 1. See “Removing the Battery Pack” on page 44. 2. See “Removing the Antenna ” on page 58. 3. Remove the two securing screws from the bottom of the chassis. 4. T urn the computer over . Peel back the pr ote c tive film to expose the interface cables.
Chapter 3 61 6. Remove the four securing screws (t wo each side) from the LCD module. 7. Carefully remove the LCD module from th e chassis. Ste p Size Quantity Screw T ype LCD Module (red callout) M2.
62 Chapter 3 Removing the Upper Cover 1. See “Removing the Battery Pack” on page 44. 2. See “Removing the Lower Covers” on page 45. 3. See “Removing the LCD Module” on page 60. 4. T urn the computer over . Remo ve the eight screws on the bottom panel.
Chapter 3 63 6. Disconnect the three cables fro m the mainboard as show n. NOTE: Avoid pulling on the cables directly to prevent da mage to the connectors. NOTE: Use the pull-tabs on the FFC cables whenever available to prevent da mage to the FFC cables.
64 Chapter 3 7. Remove the upper cover by lifting upward from the chassis, rear edge first. 8. T urn the upper cover over . Th e upper cover appears as follows.
Chapter 3 65 Removing the T ouchPad Bracket 1. See “Removing the Upper Cove r” on page 62. 2. Lift the cable latch and disconnect the T ouchPad cable from the T ouc hPad board. 3. Remove the two securing screws from the T ouchPad bracket. 4. Push the T ouchPad bracket to the left to clear the securing clip.
66 Chapter 3 5. Lift the rear edge of the T ouc hPad bracke t first to cl ear th e securing clips and remove the it as shown. IMPORT ANT : The T ouchPad boa rd is integrated in to the design of the Upper Cove r . T o replace the T ouchPad board, remove all components from the Upper Cover and install an entirely new Upper Cover.
Chapter 3 67 Removing the Speaker Modules 1. See “Removing the Upper Cove r” on page 62. 2. Remove the adhesive tape (blue callouts) and four se curing screws (red callouts) from the speaker modules. 3. Peel back the Power Board FFC cable to expose the speaker cable.
68 Chapter 3 5. Remove the S peaker Modules from the upper cover ..
Chapter 3 69 Removing the Power Board 1. See “Removing the Upper Cove r” on page 62. 2. Remove the adhesive tape from the Pow er Board cable as sho wn. 3. T urn the Upper Cover ov er . Remove the adhesive tape from the Power Bo ard as shown. 4. Lift the Power Board away from the cove r and pull the FFC cable through as shown.
70 Chapter 3 Removing the Modem Module 1. See “Removing the Upper Cove r” on page 62. 2. Remove the two screws securing the Modem module. 3. Remove the Modem module from the Lower Cover .
Chapter 3 71 Removing the Main Board 1. See “Removing the Upper Cove r” on page 62. 2. Remove the securing screw from the Mainboard. 3. Remove the main board, rightside first, as shown. IMPORT ANT : The DC IN cable is still attached to the mainboard at this stage.
72 Chapter 3 5. Disconnect the DC IN Cable from the mainboard. 6. Remove the mainboard from the chassis and place it on a clean, dust-free surface..
Chapter 3 73 Removing the CPU Fan 1. See “Removing the Main Board” on page 71. 2. Disconnect the fan cable from the mainboard. 3. Remove the three securing screws from the fan module. 4. Lift the fan clear of the mainboard. Ste p Size Quantity Screw T ype Mainboard M2.
74 Chapter 3 Removing the Thermal Module 1. See “Removing the CPU Fan” on page 73. 2. Remove the four securing screws (i n reverse numerical order from screw 4 to screw 1) from the Thermal Module. 3. Using both hands, lift the Thermal Module clear of the Mainboard.
Chapter 3 75 Removing the CPU 1. See “Removing the Main Board” on page 71. 2. See “Removing the Therma l Module ” on page 74. 3. Using a flat screwdriver , turn the CPU socket la tch counter-clockwise 180° to release the CPU. k 4. Lift the CPU clear of the Mainboard.
76 Chapter 3 LCD Module Disa ssembly Process IMPORT ANT : The outside housing and color may vary from the mass produced mo del. LCD Module Disassembly Flowchart Screw List Ste p Screw Quantity Part No. LCD Bezel M2.5*5 4 86.A T902.002 Inverter Board M2.
Chapter 3 77 Removing the LCD Bezel 1. See “Removing the LCD Module” on page 60. 2. Remove the two upper and two lower bezel screw ca ps and screws. 3. S t arting from the upper inside edge of the bezel, pr y the bezel upwards and aw ay from the panel.
78 Chapter 3 Removing the Inverter Board 1. See “Removing the LCD Bezel” on page 77. 2. Remove the securing screw and adhesive tape from the Inverter board. 3. Disconnect the left Inverter board cable as shown. 4. Lift the Inverter board clear of th e LCD Module and disconne ct th e right cable.
Chapter 3 79 Removing the Camera Module 1. See “Removing the LCD Bezel” on page 77. 2. Disconnect the Camera Module cable as shown. 3. Remove the single securing screw from the Camera Module. 4. Lift the Camera Module, left side first, clear of the LCD Module.
80 Chapter 3 Removing the LCD Panel 1. See “Removing the LCD Bezel” on page 77. 2. Remove the two securing screws from the LCD Module. 3. Lift the LCD Panel clear of the LCD Module.
Chapter 3 81 Removing the LCD Brackets and FPC Cable 1. See “Removing the LCD Panel” on page 80. 2. T urn the LCD panel over to expose the rear . Lift the camera connector clear of the panel. 3. Lift the adhesive protector and d isc onnect the cable from th e LCD Pane l.
82 Chapter 3 Removing the Antennas 1. See “Removing the LCD Panel” on page 80. 2. Remove the strips holding the anten na cables in place. Ensure the c ables are free from obstructions. 3. Remove the tab securing the left antenna to the LCD module.
Chapter 3 83 Removing the MIC Module 1. See “Removing the Antenna s” on page 82. 2. Remove the strips holding the MIC Module cable in place. Ensure the cable is free from obstructions. 3. Remove the MIC cable and Module from the L CD module. NOTE: If the left antenna is present, it may be necessary to lif t the assembly to free the Mic cable.
84 Chapter 3 LCD Module Reassembly Procedure Replacing the LCD Panel 1. Replace the left antenna and cable as shown. Ensure that the cable is inserted under each tab strip. 2. Replace the right antenna an d ca ble as shown. Ensure that the cable is inserted under each tab strip.
Chapter 3 85 4. Replace the securing strips holding the Mic cable in pl ace. 5. Align the LCD brackets as shown. S tarti ng with the top most screws (marke d with U ) replace the eight screws (four on each side) in the brackets as shown. 6. T urn the panel over .
86 Chapter 3 7. Align the LCD Panel cable as shown and press down to engage th e adhe sive pads. 8. Place the LCD P an e l in th e ba ck co ver . 9. Secure the LCD mod u l e wi t h th e tw o secu ring screws. 10. Insert the Camera Module ri ght side first to engage the securing clip.
Chapter 3 87 12. Connect the Camera Module cable . 13. Connect the right si de inverter cable. 14. Connect the l eft side inverter cable an d place the inverter in the L CD module.
88 Chapter 3 Replacing the LCD Bezel 1. Locate the bezel correctl y and press down the edges until there are no gaps between the bezel and th e LCD Module.
Chapter 3 89 Main Module Reassembly Procedure Replacing the CPU Replacing the Thermal Module 1. Carefully turn the mainboard upside down (CPU side up), and insert the CPU into the CPU bracket as shown. 2. Using a plastic screw driver , lock the CPU in the socket as shown.
90 Chapter 3 Replacing the CPU Fan Module Replacing the Mainboard 1. Align the Fan Module on the screw brackets. 2. Replace the three securing screws. 3. Connect the Fan cab le to the Mainboard. 1. T urn the Mainboard over . Connect the DC IN Cable to the Mainboard.
Chapter 3 91 Replacing the Modem Module 2. Ensure that the Mainboa rd is face up (the Hea tsink and CPU are not visible). Place the Mainboard in the chassis, left side first (1), and press down to install (2). NOTE: Make sure the I/O port s are posi tioned correctly through the lower cover , and the screw sockets are visible through the mainboard.
92 Chapter 3 Replacing the Power Board 1. Feed the Power Board FFC thought the upp er base as shown. 2. Place the Power Board on the upper base and replace the adhesi ve strip. 3. T urn the upper base over and replace th e adhesive strip securing the Power Boa rd FFC in place.
Chapter 3 93 Replacing the Speaker Module 1. Replace the left side speaker in the upper base and secure it using the two screws provided. Install the speaker cable, taking care to follow the path as shown. 2. Replace the right side speaker in the upper base and secure it using the two screws provided.
94 Chapter 3 4. Replace the adhesi ve tape to secure the speaker cable in place..
Chapter 3 95 Replacing the T ouchPad Bracket Replacing the Upper Case IMPORT ANT : The T ouchPa d cannot be removed individually . T o replace the T ouchPad , repl ace th e entire Upper Cover . 1. Replace the T o uchPad bracket bottom edge first to engage the securing clips.
96 Chapter 3 3. Reconnect the three cables as shown. Reconnect A as shown. Replace the adhesive tape to on cable A. Reconnect B as shown and secure the cable latch.
Chapter 3 97 Replacing the LCD Module 4. Replace the seven screws as shown. 5. T urn the computer over and replace the eight screws as shown. 1. Align the LCD hinge s with the lower case and replace the LCD module. 2. Replace the four securing screws (two each side), starting with the left side hinge.
98 Chapter 3 3. Reconnect the two LCD module interface cables as shown. 4. Replace the protective film over the cables. 5. T urn the computer over and repl ace the two screws to secure the LCD module in place.
Chapter 3 99 Replacing the Antenna Cable IMPORT ANT : The antenna cab le must run al ong the supplied cable channel s and use all the available cable clips to avoid damage to components during reassembly . 1. Run the antenna cable along the cable ch annel using all the cable clips as shown.
100 Chapter 3 Replacing the Keyboard 1. Reconnect keyboard FFC to the mainbo ard, and secure the locking latch. 2. T urn the keyboard over and place the front edge first in the mounting.
Chapter 3 101 Replacing the Switch Cover 1. Place the Switch Cover left side first on to the upper case as shown. 2. Press down alon g the length of the cover to secure it in place.
102 Chapter 3 Replacing the ODD Module 1. With the ODD tray in the eject position, replace the ODD cover on th e ne w OD D Mo dule. 2. Press the cover into the tray , bo ttom edge first, to secure. 3. T urn ODD Module around and secure bracket with three screws.
Chapter 3 103 Replacing the Hard Disk Drive Module 1. Place the HDD in the HDD carrier . 2. Replace the four screws to secure the carrier . 3. Insert the HDD, interface side first, a nd lower it into place. 4. Slide the HDD to the left to secure in place.
104 Chapter 3 Replacing the WLAN Module Replacing the DIMM Modules NOTE: T o replace DIMM Module 2, first remove DIMM Module 1. In this procedure , only DIMM Module 1 is shown. 1. Insert the WLAN board in to the WLAN socke t. 2. Replace the two screws to secure the mo dule.
Chapter 3 105 Replacing the Lower Covers 1. Replace the Memory Cover . 2. Replace the WLAN Cover . 3. Replace HDD Cover . 4. Replace the three screws in the memory and WLAN bays and se cure the two captive screw s in the HDD cover .
106 Chapter 3 Replacing the Battery 1. Slide and hold the battery release latch to th e release position (1), insert th e battery pack and press down (2).
Chapter 4 107 T roubleshooting 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.
108 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 a non-defective FRUs: Computer Shutsdown Intermittently If the system powers off at intervals, perform the fo llow ing actions one at a time to correct the problem.
Chapter 4 109 No Display Issue If the Displa y doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: No POST or V ideo If the POST or video doesn’t display , perform the foll owing actions one at a time to correct the problem.
11 0 Chapter 4 Abnormal V ideo Display If video displays abnormally , perform the following actions one at a time to correct the proble m. 1. Reboot the computer . 2. If permanent vertical/h orizontal lines or dark spots display in the same location, the LCD is faulty and should be replaced.
Chapter 4 111 LCD Failure If the LCD fails, perform the following actions one at a ti me to correct the problem. Do not replace a non- defective FRUs: 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.
11 2 Chapter 4 T ouchPad 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 a non-defective FRUs: Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the probl em.
Chapter 4 11 3 Sound Problems If sound problems are experienced, p erform the following actions one at a time to correct the problem. 1. Reboot the computer . 2. Navigate to Start ´ Control Panel ´ System and Maintenance ´ System ´ Device Manager .
11 4 Chapter 4 Internal Microphone Failure If the internal Microphone fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Microphone Problems If internal or external Mic rophones do no op erate correctl y , perform the following actions one at a time to correct the problem.
Chapter 4 11 5 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. 2. Run a complete virus scan using up-to-date software to ensure the computer is virus free.
11 6 Chapter 4 ODD Failure If the ODD fails, perform the following acti ons one at a time to correct the problem. Do not replace a non- defective FRUs: ODD Not Operating Correctly If the ODD exhibits .
Chapter 4 11 7 a. Double-click lDE A T A/A T API controllers . If a device displa ys a down arrow , right-cl ick on the device and click Enable . b. Double-click DVD/C D-RO M dri ves . If the device displays a down arrow , right-click on the device and click Enable .
11 8 Chapter 4 b. Double-click IDE A T A/A T API controllers , then right-click A T A Device 0. c. Click Properties and select the Advanced Settings tab. Ensure that the Enable DMA box is checked and click OK . d. Repeat for the other A T A Devices shown if applicable.
Chapter 4 11 9 Modem Function Failure If the internal Modem fails, perform the followin g actions one at a time to correct the problem. Do not replace a non-defective FRUs: W ireless Function Failure If the WLAN fails, perform th e following actions one at a time to correct th e problem.
120 Chapter 4 Thermal Unit Failure If the Thermal Unit fails, perform the follo wing actions one at a time to correct the problem. Do not replace a non-defective FRUs: External Mouse Failure If an external Mouse fails, perform the following actions one at a time to correc t th e problem.
Chapter 4 121 • No hardware is listed under Other Devices. 13. If the Issue is still not resolved, see “Online Support Information” on page 161. Other Failures If the CRT Switch, Dock, LAN Port, external MIC or S peake rs, PCI Express Card, 5-in-1 Card Reader or V olume Wheel fail, perform the following general steps to correct the problem.
122 Chapter 4 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons th at have nothin g to do with a hardware defect, such as: cosmic radiation, electros tatic discharge, or software errors. FRU replacement should be considered only when a recurring prob lem exists.
Chapter 4 123 Post Codes These tables describe the POST code s and descriptions durin g th e POST . Sec: NO_EVICTION_MODE_DEBUG EQU 1 (Comm onPlatformsecIa32SecCore.
124 Chapter 4 BDS & Specific action: 0x27 Enable DRAM Channel I/O Buffers 0x28 Enable all clocks on populated rows 0x29 Perform JEDEC memory init ialization for all memo ry rows 0x30 Perform steps.
Chapter 4 125 Each PEIM entry point used in 80_POR T Each Driver entry point used in 80_POR T Code Description 0x00 0x01 PEI_EVENT_LOG 0xA1 PEI_OEM_SER VICE 0xA2 PEI_SIO_INIT 0xA3 PEI_MONO_ST A TUS_CO.
126 Chapter 4 0xC4 SECURITY_STUB 0xC5 DXE_CP U_IO 0xC6 CF9_RESET 0xC7 PC_RTC 0xC8 ST A TUS_CODE 0xC9 V ARIABLE EMU_V ARIABLE 0xD9 DXE_CHIPSET_INIT 0x45 DXE_ALERT_FORMA T 0xD6 PCI_HOST_BRIDGE 0xD7 PCI_.
Chapter 4 127 0x72 MONITER_KEY 0x73 LEGACY_BIOS 0x75 LEGACY_BIOS_PLA TFORM 0x76 PCI_PLA TFORM 0x6C ISA_FLOOPY 0x6D PS2_MOUSE 0x6E USB_BOT 0x6F USB_CBI0 0x74 USB_MOUSE 0xF A SETUP_UTILITY 0x90 FW_BLOCK.
128 Chapter 4 Each SmmDriver entry point used in 80_POR T Code Description 0xD4 SMM_ACCESS 0xDE SMM_CONTROL 0xCC SMM_BASE 0xD2 SMM_RUNTIME 0xDF SB_SMM_DISP A TCH 0xD0 SMM_THUNK 0xCA SMM_ACPI_SW_CHILD .
Chapter 5 129 Jumper and Connector Locations T op V iew Item Description Item Description SW4 Wireless LAN Button JP1 Internal MIC Connector JL VDS1 LCD Connector JP5 Fun/B Connector JP3 Speaker Conne.
130 Chapter 5 Bottom V iew Item Description Item Description JCPU1 CPU Socket JCRT1 CRT Connector JDIMM1 Memory DIMM1 Connector JDIMM2 Memory DIMM2 Connector JHP1 Head-Phon e Connector JLINE1 Line -In.
Chapter 5 131 Clearing Password Check and BIOS Recovery This section provide you the standard operating proce dures of clearing password and BIOS recovery for eMachines D720/D520 Series. eMachi nes D720/D520 prov ide one Hardware Open Gap on main board for clearing password check, and one Hotkey for enabling BIOS Recovery .
132 Chapter 5 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a spec ial block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed.
Chapter 6 133 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listi ng in global configurations of eMachines D720/D520. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
134 Chapter 6 eMachines D720/D520 Exploded Diagrams Main Assembly No. Description Acer P/N No. Description Acer P/N 1 Mini Door 7 Power Board 2 HDD Door 8 U ppe r Case 3 Ram Door 9 Mainbo ard 4 Lower .
Chapter 6 135 LCD Panel No. Description Acer P/N No. Description Acer P/N 1 LCD Bezel 7 Camera Modu le 2 LCD Panel 8 Right Antenna 3 Left Antenna 9 Right Hinge 4 LCD Cable 10 Inv erter 5 Left Hinge 1 .
136 Chapter 6 eMachines D720/D520 FRU List Category Description Acer Part No. Adapter ADAPTER 65W 3PIN DEL T A SADP65KB BFJA OBL AP .06501.014 ADAPTER 65W 3PIN DEL T A SADP-65KB DF A AP .06501.013 ADAPTER 65W 3PIN LITEON P A-16 50-02 AC TBD ADAPTER 65W 3PIN HIPRO AC-OK065B13 TBD Battery BA TTERY LI-ION 6CELLS 4.
Chapter 6 137 RAM DOOR 42.N0 902.001 MINI DOOR 42.N0902.002 HDD DOOR 42.N0902.003 CPU/Processor CPU INTEL P575 2G LF80537NF041 1M SLB6M M0 CPU INTEL P585 2.16G LF805 37NF 0481M SLB6L M0 CPU INTEL T1600 1.66G LF 805 37NF0281MN SLB6J M0 CPU INTEL T1700 1.
138 Chapter 6 HDD SA T A 120G 5400RPM HGST HTS542512 K9SA00 KH.12007.014 HDD SA T A 120G 5400RPM TOSHIBA MK1246GSX 0F A KH.12004.007 HDD SA T A 120G 5400RPM SEAGA TE ST9120817AS KH.12001.032 HDD SA T A 120G 5400RPM WD WD1200BEVS-22UST0 KH.1200 8.019 HDD SA T A 160G 5400RPM HGST HTS542516 K9SA00 KH.
Chapter 6 139 KEYBOARD INTE(UI) US INTERNA TION KEYBOARD (ARE) ARABIC ENGLISH KEYBOARD (BE) BELGIAN KEYBOARD (BZ) BRAZILIAN KEYBOARD (CF) CANADIAN FRENCH KEYBOARD (CH) T -CHINESE KEYBOARD (DM) DENMARK.
140 Chapter 6 Screw List LCD BRACKET -L 33.N0902.005 CAMERA MODULE 0.3M 57.N0902.001 SCREW P AD 47.N0902.001 Mainboard MAINBOARD EMD720/EMD520 INTEL GL40 ICH9 PROPRIET ARY V 1.0 LF MB.N0902.001 Memory RAM 512MB DDRII 667 NANY A NT 512T64 UH8B0FN-3C KN.
Chapter 6 141.
Appendix A 142 Model Definition and Configuration eMachines D720/D520 Series Model Description Model RO Country Acer Part No Description eMD520- 571G12Mi P A Canada LX.N1 10C.004 eMD520-571G12Mi LINPUSeCA1 UMA 1*1G/120/6L/CB_bg_EN31 eMD520- 571G12Mi P A USA LX.
143 Appendix A eMD520- 571G12Mi EMEA Switzerl and LX.N1 10Y .034 eMD520-571G1 2Mi VHB32eTCH1 UMA 1*1G/120/6L/CB_bg_IT41 eMD520- 571G12Mi EMEA UK LX.N1 10Y .035 eMD520-571G1 2Mi VHB32eTGB1 UMA 1*1G/120/6L/CB_bg_EN1 1 eMD520- 571G12Mi CHINA China LX.N1 10Y .
Appendix A 144 eMD520- 571G12Mi EMEA Eastern Europe LX.N1 10Y .01 8 eMD520-571G12Mi VHB32eTEU5 UMA 1*1G/120/6L/CB_bg_PL1 1 eMD520- 571G12Mi P A ACLA-S panish LX.N1 10 Y .004 eMD520-571G12Mi EM VHB32 eTEA1 UMA 1*1G/120/6L/CB_bg_ES21 eMD520- 571G12Mi AAP Australia/New Zealand LX.
145 Appendix A eMD520- 571G12Mi PA A C L A - Portuguese LX.N1 10Y .002 eMD520-57 1G12Mi EM VHB32eTXC2 UMA 1*1G/120/6L/CB_bg_XC21 eMD520- 571G12Mi P A ACLA-S panish LX.N1 10 Y .001 eMD520-571G12Mi EM VHB32 eTEA3 UMA 1*1G/120/6L/CB_bg_ES21 eMD520- 570512Ci AAP Vietnam LX.
Appendix A 146 eMD520- 571G12Mi AAP Malaysia LX.N090C.013 eMD520-571G12Mi LINPUSeMY1 UMAC 1*1G/120/6L/CB_bg_0.3D_EN1 1 eMD520- 571G12Mi AAP Thailand LX.N090C.006 eMD5 20-571G12Mi LINPUSeTH1 UMAC 1*1G/120/6L/CB_bg_0.3D_EN1 1 eMD520- 571G12Mi AAP Vietnam LX.
147 Appendix A eMD520- 571G12Mi P A Canada LX.N09 0Y .026 eMD520-571G12Mi VHB32eTCA2 UMAC 1*1G/120/6L/CB_bg_0.3D_AN_F R31 eMD520- 571G12Mi P A USA LX.N090Y .025 eMD5 20-57 1G12Mi VHB32eTUS1 UMAC 1*1G/120/6L/CB_bg_0.3D_AN_EN31 eMD520- 571G12Mi PA A C L A - Portuguese LX.
Appendix A 148 eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.
149 Appendix A eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.
Appendix A 150 eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N 14.
151 Appendix A eMD520- 571G12Mi CM575 N14.1WXGAG SO1GBII6 N N 120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N14.1WXGAG SO1GBII6 N N 120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N14.1WXGAG SO1GBII6 N N 120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N14.
Appendix A 152 eMD520- 571G12Mi CM575 N14.1WXGAG SO1GBII6 N N 120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 171G12Mi CMT1700 N14.1WXGAG SO1GBII6 N N120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N14.1WXGAG SO1GBII6 N N 120GB 5.4KS NSM8XS 3rd WiFi BG eMD520- 571G12Mi CM575 N14.
Appendix B 153 T est Compatible Components This computer ’s compat ibility is tested and verified by Acer ’s internal testing department. All of it s system functions are tested under Windows ® XP Home, Windows ® XP Pro environment. Refer to the following lists for components, adapter ca rds, and peripherals which have passed these tests.
154 Appendix B Microsoft ® W indows ® V ista Environment T est V endor Ty p e De scription Adapter T est F0000183 DEL T A CN 65W Adapter DEL T A 65W 1.7x5.5x1 1 SADP-65KB DF A LF level 4 F0000183 DEL T A CN 65W-D E Adapter DEL T A 65W 1.7x 5.5x1 1 SADP-65KB BFJA L V4 LF for OBL only 10001023 LITE-ON 65W Adapter LITE-ON 65W 1.
Appendix B 155 9999995 ONE TIME VENDER JMB385 JMicron JMB385 Card Reader: SD/MMC/MS/MS Duo/ MS-HG (1/4/8-bit) & xD (PCI Express) CPU T est 10001067 INTEL C2DP8400 CPU Intel Core2Dual P8400 PGA 2.26 G 3M 1066 25W 10001067 INTEL C2DP8600 CPU Intel Core2Dual P8600 PGA 2.
156 Appendix B HDD T est 60002005 HGST SG N120GB5.4KS HD D HGST 2.5" 5400rpm 120GB HTS542512K9SA00 Bronco-B SA T A II LF F/W :C31P 60002005 HGST SG N120GB5.4KS HD D HGST 2.5" 5400rpm 120GB HTS543212L9 A300 Falcon-B SA T A LF F/ W:C40C 60001994 WD N120GB5.
Appendix B 157 60001922 TOSHIBA DIGI N250GB5.4KS HDD TOSHIBA 2.5" 5400rpm 250GB MK2546GSX L eo BS SA T A I LF F/W:LB013J 60001922 TOSHIBA DIGI N250GB5.4KS HDD TOSHIBA 2.5" 5400rpm 250GB MK2546GSX L eo BS SA T A I LF F/W:LB013J 60002005 HGST SG N250GB5.
158 Appendix B LCD T est 60003316 AUO N14.1WXGAG LCD AUO 14.1" WXGA Glare B141EW04-V4 LF 200nit 16ms 60002215 SAMSUNG N14.1WXGAG LCD SAMSUNG 14.1" WXGA Glare L TN141W3-L01-J L6 LF 200nit 16ms 60003089 LG N14.1WXGAG LCD LPL 14.1" WXGA Glare LP141WX3-TL N1 LF 200nit 16ms 10001038 CMO N14.
Appendix B 159 60001922 TOSHIBA DIGI NSM8XS ODD TOSHIBA Super-Multi DRIVE 12.7mm T ray DL 8X TS-L633A LF W/O bezel SA T A 60001939 PIONEER NSM8XS ODD PIONEER Super-Multi DRIVE 12.7mm T ray DL 8X DVR-TD08RS LF W/O bezel SA T A 23418669 HLDS NSM8XS ODD HLDS Super-Multi DRIVE 12.
160 Appendix B.
Appendix C 161 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.
162 Appendix C.
163 A AFLASH Utility 33 Antennas 82 B Battery Pack 44 BIOS password control 16 ROM size 16 ROM type 16 vendor 16 Version 16 BIOS Supports protoco l 16 BIOS Utility 21–33 Advanced 24 Boot 31 Exit 32 .
164 LCD Panel 80 lower cover 45 M Main Unit Disassembly Flowchart 54 Mainboard 71 media access on indicator 5, 9 Memory Chec k 108 Model Definition 142 Modem Boar d 70 Modem Failure 119 N No Display I.
Ein wichtiger Punkt beim Kauf des Geräts eMachines D720 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie eMachines D720 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für eMachines D720 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von eMachines D720 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über eMachines D720 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon eMachines D720 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von eMachines D720 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit eMachines D720. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei eMachines D720 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
