eMachines D520 eMachines D720/D520 Series Service Guide
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- eMachines D520 | eMachines D720/D520 Series Service Guide - Page 1
eMachines D720/D520 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 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 2
Revision History Please refer to the table below for the updates made on eMachines D720/D520 Series service guide. Date Chapter Updates II - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 3
, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 4
are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 5
available on your regional web or channel. If, for whatever reason, a part number change is made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those given in the FRU list of this printed - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 6
VI - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 7
Pre-disassembly Instructions 42 Disassembly Process 42 External Module Disassembly Process 43 External Modules Disassembly Flowchart 43 Removing the Battery Pack 44 Removing the Lower Covers 45 Removing the DIMM Modules 47 Removing the WLAN Module 48 Removing the Hard Disk Drive Module 50 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 8
Disk Drive Module 103 Replacing the WLAN Module 104 Replacing the DIMM Modules 104 Replacing the Lower Covers 105 Replacing the Battery 106 Troubleshooting 107 Common Problems 107 Power On Issue 108 No Display Issue 109 Random Loss of BIOS Settings 110 LCD Failure 111 Built-In Keyboard - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 9
View 130 Clearing Password Check and BIOS Recovery 131 Clearing Password Check 131 BIOS Recovery by Crisis Disk 132 FRU (Field Replaceable Unit) List 133 eMachines D720/D520 Exploded Diagrams 134 Main Assembly 134 LCD Panel 135 eMachines D720/D520 FRU List 136 Screw List 140 Model - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 10
Table of Contents X - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 11
667 MHz memory, upgradeable to 4 GB using two soDIMM modules Display and graphics • 14.1" WXGA 1280 x 800 • Mobile Intel® GL40 Express Chipset Storage subsystem • 2.5" hard disk drive • Optical drive option: • DVD-Super Multi double-layer drive* • DVD/CD-RW combo drive* Audio Two built-in - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 12
webcam* • WLAN: IEEE 802.11b/g • LAN: Fast Ethernet; Wake-on-LAN ready Privacy control • BIOS user, supervisor, HDD passwords • Kensington lock slot Power subsystem • ACPI 3.0 • 48.8 W 4400 mAh • 3-pin 65 W AC adapter • ENERGY STAR® 4.0* Special keys and controls • 88-/89-key keyboard • Touchpad - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 13
System Block Diagram Chapter 1 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 14
LAN communication button/indicator Speakers Keyboard Palmrest Enables/disables the wireless LAN function. Indicates the status of wireless LAN communication. Left and right speakers deliver stereo audio output. For entering data into your computer. Comfortable support area for your hands when - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 15
is charging. 2. Fully charged: The light shows green when in AC mode. Indicates when the hard disk drive is active. Lights up when Num Lock is activated. Lights up when Caps Lock is activated. NOTE: The Power and Battery indicators are visible even when the computer cover is closed Closed Front - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 16
External display (VGA) port USB 2.0 ports Line-in jack Microphone-in jack Headphones/ speaker/line-out jack Description Connects to an Ethernet 10/100-based network. Connects to a display device (e.g. external monitor, LCD projector). Connect to USB 2.0 devices (e.g. USB mouse, USB camera). Accepts - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 17
drive eject Ejects the optical disk from the drive. button Emergency eject hole Ejects the optical drive tray when the computer is turned off. Note: Insert a paper clip into the emergency eject hole to eject the optical drive tray when the computer is off. DC-in jack Connects to an AC adapter - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 18
5 6 Icon Item Battery bay Battery release latch Memory compartment Hard disk bay Battery lock Ventilation slots and cooling fan Description Houses the computer's battery pack. Releases the battery for removal. Houses the computer's main memory. Houses the computer's hard disk (secured with screws - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 19
even when the computer cover is closed. Icon Function Power Description Indicates the computer's power status. Battery HDD Num Lock Caps Lock Indicates the computer's battery status. Indicates when the hard disk drive is active. Lights up when Num Lock is activated. Lights up when Caps Lock is - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 20
on the TouchPad on the second tap and drag the cursor. NOTE: When using the TouchPad, keep it - and your fingers - dry and clean. The TouchPad is sensitive to finger movement; hence, the lighter the touch, the better the response. Tapping too hard will not increase the TouchPad's responsiveness - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 21
Lock is on, the screen moves one line up or down when you press the up or down arrow keys respectively. Scroll Lock does keyboard legend, cursor-control key symbols are not printed on the keys. Desired access Number keys on embedded keypad Cursor-control keys on embedded keypad Main keyboard keys - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 22
Windows Keys The keyboard has two keys that perform Windows-specific functions. Key Description 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: < - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 23
The computer employs hotkeys or key combinations to access most of the computer's controls like screen brightness, volume output and the BIOS utility. To activate hot keys, press and hold the key before pressing the other key in the hotkey combination. Hotkey + + + - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 24
. The Euro symbol 1. Open a text editor or word processor. 2. Hold and then press the key at the upper-center of the keyboard. NOTE: Note: Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/ typography/faq/faq12.htm for more information. The US - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 25
Start, Control Panel, Display and click on Settings. Select the secondary monitor (2) icon in the display box and then click the check box Extend my windows you can view multiple windows on the same screen. To access this function, please go to Start´ All Programs and click on Acer GridVista. You may - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 26
down at 96°C Item Specification BIOS vendor Insyde BIOS Version V0.15T2 BIOS ROM type Flash BIOS ROM size 1 MB Supported protocols • Flash ROM 1MB • Support multi-boot • Suspend to RAM (S3)/Disk (S4) • Various hot-keys for system control • Support SMBUS 2.0, PCI2.3 • ACPI 2.0 compliance - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 27
System Memory Item Memory controller Memory size DIMM socket number Supports memory size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed Supports DIMM voltage Supports DIMM package Specification Built-in 0MB (no on-board memory) 2 sockets 2 GB 4G for 64bit OS (with - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 28
Hard Disk Drive Interface Item Vendor Model Name Capacity (MB) Bytes per sector Data heads Drive Format Disks Spindle speed (RPM) Performance Specifications Buffer size Interface Internal transfer rate (Mbits/ sec max) Sustained transfer rate (Mbytes/sec max) I/O data transfer rate (Mbytes/sec max) - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 29
DS-8A2S, Sony/AD-7560S, Toshiba Digi/TS-L633A Performance Specification With CD Diskette With DVD Diskette Transfer rate (MB/sec) Sustained: Max 3.5 Mbytes/sec Sustained: Max 10 Mbytes/sec Buffer Memory 2MB Interface SATA Applicable disc format Applicable media types: Writing: Confirms to - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 30
Item Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor & model name Battery Type Pack capacity Number of battery cell Package configuration LCD 14.1" Item Vendor/model name Screen Diagonal (mm) Active Area (mm) Display resolution (pixels) Pixel Pitch Pixel - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 31
made and exit the BIOS Setup Utility. NOTE: You can change the value of a parameter if it is enclosed in square brackets. Navigation keys for a particular menu are shown on the bottom of the screen. Help for parameters are found in the Item Specific Help part of the screen. Read this carefully when - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 32
DVD A DS8A2S System BIOS Version: VGA BIOS Version: Serial Number: Asset Tag Number: Product Name: Manufacturer Name: UUID: V0.15T2 Intel V1588 Aspire 4930 Acer installed on primary IDE master. This field shows the model name of the Optical device installed in the system. Displays system BIOS - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 33
Boot Menu during POST. Enables, disables D2D Recovery function. The function allows the user to create a hidden partition on hard disc drive to store operation system and restore the system to factory defaults. Control the mode in which the SATA controller should operate. Format/Option Format: HH - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 34
Advanced The Advanced screen allows the user to configure the various advanced BIOS options. IMPORTANT:Making • IDE Controller • HDC Configure as • ACHI Option ROM Support • SATA Port 0, 1, 4, and 5 Hotplug • Channel 1 to 4 Master and Slave • IGD Device2, Function1 • IGD Pre-allocate Memory • IGD - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 35
Disable or Enable the Express Card solution for windows Standby and Hibernation. Enter the PCI Port 1 to 6 configuration menus. ASF Configuration Enter the ASF Configuration menu. Submenu Items • USB Driver Select • EHCI 1 and 2 • UHCI 1 to 5 • Per-Port Control • Port 80h Cycles • DMI Link ASPM - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 36
Security screen on password [32MB] [Enabled] Boot Rev. 3.5 Exit Item Specific Help Install or Change the password and the length of password must be less setting of the hard disk password. Press Enter to set the supervisor password. When set, this password protects the BIOS Setup Utility from - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 37
when typing your password because the characters do not appear on the screen. 3. Press Enter. After setting the password, the computer sets BIOS Setup Utility. Removing a Password Follow these steps: 1. Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 38
the Set Supervisor Password parameter and press the Enter key. The Set Password box appears. 2. Type the current are done, press F10 to save the changes and exit the BIOS Setup Utility. If the verification is OK, the screen will display as following. The password setting is complete after the user - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 39
Enter the Advanced CPU Control menu. Submenu Items • P-States (IST) • Boot performance mode • Thermal Mode • CMP Support • Use XD capability • VT Support • C-States • Enhanced C-States • C-State Pop Up Mode • C-State Pop Down Mode • C4 Exit Timing Mode • DeepC4 • Hard C4E • Enable C6 • EMTTM - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 40
Parameter Platform Power management ACPI S3 Wake on PME Wake on Modem Ring Auto wake on S5 Quickly S4 Resume Description Enter the Platform Power Management menu. Enable or Disable ACPI S1/S3 Sleep State Enable or Disable wake up when the system power is off and a PCI Power Management Enable wake - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 41
includes the USB diskette drives, the onboard hard disk drive and the DVD drive in the module bay. InsydeH20 Setup Utility Information Main Advanced Security Power Boot priority order: 1. IDE0 : Hitachi HTS542516K9SA00 2. IDE1 : Slimtype DVD A DS8A2S 3 . USB FDD : 4. Network Boot : Realtek Boot - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 42
The Exit screen allows you to save or discard any changes you made and quit the BIOS Utility. InsydeH20 Setup Utility Information Main Advanced Security Power Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Boot Rev. 3.5 Exit Item Specific Help Exit - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 43
a Crisis Recovery Diskette before you use the Phlash utility. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash. NOTE: Please use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not contain enough power to finish BIOS flash - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 44
Main Advanced Security Power Boot Boot priority order: 1. IDE0 : Hitachi HTS542516K9SA00 2. IDE1 : Slimtype DVD A DS8A2S 3 . USB FDD : 4. Network Boot : Realtek Boot Agent 5. USB HDD : ABC 6. USB CDROM : Rev. 3.5 Exit Item Specific Help Use or to select a device, then press to move it - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 45
4. In flash BIOS, the message Please do not remove AC Power Source displays. NOTE: If the AC power is not connected, the following message displays. Plug in the AC power to continue. 5. Flash is complete when the message Flash programming complete displays. Chapter 2 35 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 46
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 programs and applications and reboot the system. 36 Chapter 2 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 47
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: 1. Press Enter to display the Select Item screen. 2. Select Enter Unlock - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 48
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 BIOS_PW.EXE as follows: 1. Key in bios_pw 14452 0 2. Select one string from the list. 38 Chapter 2 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 49
the system and key in the selected string (qjjg9vy, 07yqmjd etc.) for the BIOS user password. Cleaning BIOS Passwords To clear the password, perform the following steps: 1. From a DOS prompt, Execute clnpwd.exe 2. Press 1 or 2 to clean the desired password shown on the screen. The onscreen message - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 50
40 Chapter 2 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 51
Replacement Chapter 3 IMPORTANT:The outside housing and color may vary from the mass produced model. This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting when disassembling parts near or around the motherboard and to prevent - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 52
Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Place the system on a flat, stable surface. 4. Remove the battery - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 53
gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Turn - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 54
Removing the Battery Pack 1. Turn computer over. 2. Slide the battery lock/unlock latch to the unlock position. 3. Slide and hold the battery release latch to the release position (1), then slide out the battery pack from the main unit (2). 2 1 44 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 55
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 captive screws on the HDD cover. WLAN Cover Step Memory Cover Size M2.5*8 WLAN Cover M2.5*8 3. Carefully open the memory cover. Quantity 2 1 Memory Cover HDD - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 56
5. Remove the WLAN cover as shown. 46 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 57
1. See "Removing the Battery Pack" on page 44. 2. Remove the Memory Module cover See "Removing the Lower Covers" on page 45. 3. Push out the release latches on both sides of the DIMM socket to release the DIMM module. 4. Remove the DIMM module. 5. Repeat steps for the second DIMM module if present - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 58
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 WLAN board. 4. Move the antenna away and remove the two screws on the WLAN board to release the WLAN board. Step WLAN - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 59
NOTE: When attaching the antenna back to the WLAN board, make sure the cables are sitting in the housing to prevent damage. Chapter 3 49 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 60
Removing the Hard Disk Drive Module 1. See "Removing the Battery Pack" on page 44. 2. Remove the HDD cover, See "Removing the Lower Covers" on page 45. 3. Use the pull-tab to pull and lift the hard disk drive module out of the bay. NOTE: To prevent damage to device, avoid pressing down on it or - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 61
Step HDD Carrier Size M3*3 5. Remove the HDD from the carrier. Quantity 4 Screw Type Chapter 3 51 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 62
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. Step ODD Module Size M2.5*5 Quantity 1 4. Pull the optical drive module out from the chassis. Screw - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 63
securing the ODD bracket and remove the ODD bracket from the optical disk drive module. Step ODD Bracket Size M2*L3 Quantity 3 6. Insert a pin in the eject hole of the ODD to eject the ODD tray. Screw Type 7. Press down on the locking catch to release the ODD cover and remove. Chapter 3 53 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 64
may vary from the mass produced model. Main Unit Disassembly Flowchart Remove External Modules before proceeding Rem ove Switch Cover Rem ove Keyboard Rem ove Antenna Rem ove LCD Module Rem ove Upper Case Rem ove TouchPad Bracket Rem ove Speaker Module Rem ove Power Board Rem ove Lower - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 65
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. 2. Locate and remove the three securing screws from the battery bay. Step Switch Cover Size M2.5*5 Quantity 3 Screw Type 3. Turn the computer over and - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 66
56 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 67
Removing the Keyboard 1. See "Removing the Switch Cover" on page 55. 2. Lift the keyboard away from the chassis as shown. 3. Turn the keyboard over on the TouchPad area to expose the FFC cable. 4. Open the cable retainer and disconnect the FFC cable from the mainboard. 5. Lift the keyboard clear - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 68
Removing the Antenna 1. See See "Removing the Keyboard" on page 57. 2. Remove the Antenna Cables from the securing pins as shown. 3. Turn the computer over. Remove the adhesive strip holding the antenna cables. 4. Feed the antenna cables from the underside of the computer. 58 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 69
5. Remove the Antenna Cables from the securing pins as shown. Chapter 3 59 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 70
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. Step LCD Module Size M2.5*8 Quantity 2 Screw Type 4. Turn the computer over. Peel back the - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 71
6. Remove the four securing screws (two each side) from the LCD module. Step LCD Module (red callout) LCD Module (blue callout) Size M2.5*8 M2.5*5 Quantity 2 2 7. Carefully remove the LCD module from the chassis. Screw Type Chapter 3 61 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 72
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. Turn the computer over. Remove the eight screws on the bottom panel. Step Upper Cover Size M2.5*8 Quantity 8 Screw Type 5. Turn the - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 73
6. Disconnect the three cables from the mainboard as shown. A B C Remove the adhesive tape to expose cable A. Disconnect A as shown. Release the securing latches and disconnect B as Release the securing latches and disconnect C as shown. shown. - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 74
7. Remove the upper cover by lifting upward from the chassis, rear edge first. 8. Turn the upper cover over. The upper cover appears as follows. 64 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 75
on page 62. 2. Lift the cable latch and disconnect the TouchPad cable from the TouchPad board. 3. Remove the two securing screws from the TouchPad bracket. Step TouchPad Bracket Size M2*L3 Quantity 2 Screw Type 4. Push the TouchPad bracket to the left to clear the securing clip. Chapter 3 65 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 76
bracket first to clear the securing clips and remove the it as shown. IMPORTANT:The TouchPad board is integrated into the design of the Upper Cover. To replace the TouchPad board, remove all components from the Upper Cover and install an entirely new Upper Cover. IMPORTANT:The MOSFET pad is attached - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 77
the Speaker Modules 1. See "Removing the Upper Cover" on page 62. 2. Remove the adhesive tape (blue callouts) and four securing screws (red callouts) from the speaker modules. Step Speaker Modules (red callout) Size M2*L3 Quantity 4 3. Peel - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 78
5. Remove the Speaker Modules from the upper cover. 68 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 79
the Power Board 1. See "Removing the Upper Cover" on page 62. 2. Remove the adhesive tape from the Power Board cable as shown. 3. Turn the Upper Cover over. Remove the adhesive tape from the Power Board as shown. 4. Lift the Power Board away from the cover and pull the FFC cable through as shown - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 80
Removing the Modem Module 1. See "Removing the Upper Cover" on page 62. 2. Remove the two screws securing the Modem module. Step Modem Module Size M2*L3 Quantity 2 3. Remove the Modem module from the Lower Cover. Screw Type 4. Disconnect the Modem cable from the Modem module. 70 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 81
screw from the Mainboard. Step Mainboard Size M2.5*5 Quantity 1 Screw Type 3. Remove the main board, rightside first, as shown. IMPORTANT:The DC IN cable is still attached to the mainboard at this stage. Do not remove the mainboard from the chassis completely. 4. Turn the Mainboard over to - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 82
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. 72 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 83
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. Step Mainboard Size M2.5*4 4. Lift the fan clear of the mainboard. Quantity 3 Screw Type Chapter 3 73 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 84
the CPU Fan" on page 73. 2. Remove the four securing screws (in reverse numerical order from screw 4 to screw 1) from the Thermal Module. 3 2 1 4 Step Thermal Module Size M2.5*6.5 Quantity 4 3. Using both hands, - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 85
Removing the CPU 1. See "Removing the Main Board" on page 71. 2. See "Removing the Thermal Module" on page 74. 3. Using a flat screwdriver, turn the CPU socket latch counter-clockwise 180° to release the CPU. k 4. Lift the CPU clear of the Mainboard. Chapter 3 75 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 86
. LCD Module Disassembly Flowchart Remove LCD Panel from Main Unit before proceeding Rem ove LCD Bezel Rem ove Inverter Board Rem ove LCD Panel List Step LCD Bezel Inverter Board Camera Module LCD Panel LCD Brackets Screw M2.5*5 M2.5*5 M2*L3 M2.5*5 M2*L3 Quantity 4 1 1 2 8 Part No. 86.AT902.002 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 87
caps and screws. Step LCD Bezel Size M2.5*5 Quantity 4 Screw Type 3. Starting from the upper inside edge of the bezel, pry the bezel upwards and away from the panel. Move along the sides until all sides of the bezel are removed. NOTE: If necessary, use a plastic pry to lift up the outside - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 88
screw and adhesive tape from the Inverter board. Step Inverter Board Size M2.5*5 Quantity 1 3. Disconnect the left Inverter board cable as shown. Screw Type 4. Lift the Inverter board clear of the LCD Module and disconnect the right cable. 5. Remove the Inverter board from the LCD module. 78 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 89
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. Step Camera Module Size M2*L3 Quantity 1 4. Lift the Camera Module, left side first, clear of the - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 90
Removing the LCD Panel 1. See "Removing the LCD Bezel" on page 77. 2. Remove the two securing screws from the LCD Module. Step LCD Panel Size M2.5*5 Quantity 2 3. Lift the LCD Panel clear of the LCD Module. Screw Type 80 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 91
protector and disconnect the cable from the LCD Panel. 4. Grip the FPC cable and lift upward to detach the adhesive pads and remove the cable from the panel. 5. Remove the eight securing screws (four on each side) from the LCD Panel brackets. Step LCD Brackets Size M2*L3 Quantity 8 Screw Type - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 92
the strips holding the antenna cables in place. Ensure the cables are free from obstructions. 3. Remove the tab securing the left antenna to the LCD module. 4. Remove the tab securing the right antenna to the LCD module. 5. Remove the antenna cables and assembly from the LCD module. 82 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 93
the MIC Module 1. See "Removing the Antennas" 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 LCD module. NOTE: If the left antenna is present, it may be necessary to lift the assembly - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 94
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 and cable as shown. Ensure that the cable is inserted under each tab strip. 3. Replace the MIC cable under - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 95
the securing strips holding the Mic cable in place. 5. Align the LCD brackets as shown. Starting with the top most screws (marked with U) replace the eight screws (four on each side) in the brackets as shown. U U 6. Turn the panel over. Insert the LCD Panel cable into the LCD Panel - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 96
Panel in the back cover. 9. Secure the LCD module with the two securing screws. 10. Insert the Camera Module right side first to engage 11. Replace the single securing screw. the securing clip. 86 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 97
12. Connect the Camera Module cable. 13. Connect the right side inverter cable. 14. Connect the left side inverter cable and place the 15. Replace the single securing screw and adhesive inverter in the LCD module. tape. Chapter 3 87 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 98
Replacing the LCD Bezel 1. Locate the bezel correctly and press down the edges until there are no gaps between the bezel and the LCD Module. 2. Replace the four screws and the rubber screw caps provided. 88 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 99
upside down (CPU 2. Using a plastic screw driver, lock the CPU in the side up), and insert the CPU into the CPU bracket socket as shown. as shown. Replacing the Thermal Module 1. Align and place the Thermal Module in the mounting as shown. 2. Replace the four screws (in numerical order from - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 100
Replacing the CPU Fan Module 1. Align the Fan Module on the screw brackets. 2. Replace the three securing screws. 3. Connect the Fan cable to the Mainboard. Replacing the Mainboard 1. Turn the Mainboard over. Connect the DC IN Cable to the Mainboard. 90 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 101
the Mainboard in the chassis, left side first (1), and press down to install (2). NOTE: Make sure the I/O ports are positioned correctly through the lower cover, and the screw sockets are visible through the mainboard. 1 2 3. Replace the single securing screw. 4. Press down on the DC IN cable to - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 102
Replacing the Power Board 1. Feed the Power Board FFC thought the upper base as shown. 2. Place the Power Board on the upper base and replace the adhesive strip. 3. Turn the upper base over and replace the adhesive strip securing the Power Board FFC in place. 92 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 103
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. Install the speaker cable, taking care to follow the path as shown 3. Replace the Power Board FFC over the speaker cable as shown. Chapter - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 104
4. Replace the adhesive tape to secure the speaker cable in place. 94 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 105
Replacing the TouchPad Bracket IMPORTANT:The TouchPad cannot be removed individually. To replace the TouchPad, replace the entire Upper Cover. 1. Replace the TouchPad bracket bottom edge first to 2. Slide the TouchPad bracket in the direction of the engage the securing clips. arrow to engage the - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 106
3. Reconnect the three cables as shown. A B C Reconnect A as shown. Replace the adhesive tape to on cable A. Reconnect B as shown and secure the cable latch. Reconnect C as shown and secure the cable latch. 96 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 107
seven screws as shown. 5. Turn the computer over and replace the eight screws as shown. Replacing the LCD Module 1. Align the LCD hinges with the lower case and replace the LCD module. 2. Replace the four securing screws (two each side), starting with the left side hinge. NOTE: Two different screw - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 108
3. Reconnect the two LCD module interface cables as shown. 4. Replace the protective film over the cables. 5. Turn the computer over and replace the two screws to secure the LCD module in place. 98 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 109
Replacing the Antenna Cable IMPORTANT:The antenna cable must run along the supplied cable channels and use all the available cable clips to avoid damage to - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 110
Replacing the Keyboard 1. Reconnect keyboard FFC to the mainboard, and secure the locking latch. 2. Turn the keyboard over and place the front edge first in the mounting. 3. Rotate the keyboard downward and press gently in to place. 100 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 111
Replacing the Switch Cover 1. Place the Switch Cover left side first on to the upper case as shown. 2. Press down along the length of the cover to secure it in place. 3. Turn the computer over and replace the two securing screws. Chapter 3 101 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 112
ODD Module 1. With the ODD tray in the eject position, replace the 2. Press the cover into the tray, bottom edge first, to ODD cover on the new in the chassis and press until the three screws. module is flush with the chassis. 5. Replace the single screw to secure the Module. 102 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 113
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, and lower it into 4. Slide the HDD to the left to secure in place. place. Chapter 3 103 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 114
NOTE: The white antenna cable connects to the upper terminal and the black antenna cable to the lower terminal. Replacing the DIMM Modules NOTE: To replace DIMM Module 2, first remove DIMM Module 1. In this procedure, only DIMM Module 1 is shown. 1. Insert the DIMM Module in place. 2. Press down - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 115
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 secure the two captive screws in the HDD cover. Chapter 3 105 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 116
Replacing the Battery 1. Slide and hold the battery release latch to the release position (1), insert the battery pack and press down (2). 2. Slide the battery lock/unlock latch to the lock position. 2 1 106 Chapter 3 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 117
Troubleshooting Chapter 4 Common Problems Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products Internal Keyboard Failure Page 111 TouchPad Failure Support Information" on page 161. Chapter 4 107 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 118
problem. Do not replace a non-defective FRUs: Computer Shutsdown Intermittently If the system powers off at intervals, perform the following actions one at a time to correct the problem in the BIOS to ensure they are not the cause of the problem (see "Power" on page 29). 6. Remove all external and - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 119
Product pages for specific model procedures. 2. Make sure the computer has power by checking at least one of the following occurs: • Fans start up • Status LEDs light up If there is no power, see "Power On Issue" on page 108. 3. Drain any stored power by removing the power cable and battery - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 120
If extensive pixel damage is present (different colored spots in the same locations on the screen), the LCD is faulty and should be replaced. See "Disassembly Process" on page 42. 4. Adjust the brightness to its highest level. See the User Manual for instructions on adjusting settings. NOTE: Ensure - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 121
If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace a nondefective FRUs: 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 a non-defective FRUs: Chapter 4 111 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 122
Failure If the TouchPad 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 problem. Do not replace a non-defective - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 123
installed. • There are no red Xs or yellow exclamation marks. • There are no device conflicts. • No hardware is listed under Other Devices. 3. Roll back the audio driver to the previous version, if updated recently. 4. Remove and reinstall the audio driver. 5. Ensure that all volume controls - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 124
to correct the problem. Do not replace a non-defective FRUs: Microphone Problems If internal or external Microphones do no operate correctly, perform the following actions one at a time to correct the problem. 1. Check that the microphone is enabled. Navigate to Start´ Control Panel´ Hardware and - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 125
any key to start to the operating system DVD. c. The Install Windows screen displays. Click Next. d. Select Repair your computer. e. The System Recovery Options screen displays. Click Next. f. Select the appropriate operating system, and click Next. NOTE: Click Load Drivers if controller drives are - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 126
• Blank discs do not burn correctly • DVD or CD play breaks up or jumps • Optical drive not found or not active: • Not shown in My Computer or the BIOS setup • LED does not flash when the computer starts up • The tray does not eject • Access failure screen displays • The ODD is noisy Perform the - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 127
reaches zero, the region cannot be changed even Windows is reinstalled or the drive is moved to another computer. a. Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager. b. Double-click DVD/CD-ROM drives. c. Right-click DVD drive and click Properties, then click the - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 128
correctly. 5. Replace the ODD. See "Disassembly Process" on page 42. Drive Read Failure If discs cannot be read when inserted in the drive, perform the following actions one at a time to correct the problem. 1. Remove and clean the failed disc. 2. Retry reading the CD or DVD. d. Test the drive using - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 129
If the internal Modem fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Wireless Function Failure If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a nondefective FRUs: Chapter 4 119 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 130
log for errors. For more information see Windows Help and Support. 10. Roll back the mouse driver to the previous version if updated recently. 11. Remove and reinstall the mouse driver. 12. Check the Device Manager to determine that: • The device is properly installed. There are no red Xs or yellow - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 131
, Dock, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or Volume Wheel fail, perform the following general steps to correct the problem. Do not replace a non-defective FRUs: 1. Check Drive whether is OK. 2. Check Test Fixture is ok. 3. Swap M/B to Try. Chapter 4 121 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 132
Visually check them for damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD-ROM/Diskette drive Module • PC Cards 4. Power-on the computer - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 133
Detect an improper warm reset and handle Detect if ECC SO-DIMMs are present in the system Verify all DIMMs are single or double sided and not is supported by all DIMMs Determine the smallest tWR supported by all DIMMs Determine DIMM size parameters Program the correct system memory frequency - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 134
BSP SMBASE PC init begin at the stage1 Report every memory range do the hard ware ECC init Report status code of every memory range Get the root bridge handle Notify pci bus driver starts to program the resource Reset the host controller IdeBus begin initialization Report that the remote terminal is - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 135
PEI_PLATFORM_STAGE2 PEI_SB_SMBUS_ARP_DISABLED PEI_HOST_TO_SYSTEM PEI_MEMORY_INIT PEI_S3_RESUME PEI_CLOCK_GEN PEI_OP_PRESENCE PEI_FIND_FV PEI_H2O_DEBUG_IO PEI_H2O_DEBUG_COMM PEI_RESERVED PEI_OEM_DEFINED PEI_DXE_IPL Each Driver entry point used in 80_PORT Code 0x30 0xB6 0xB8 0xB9 0xBA 0xBB 0xBC 0xBE - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 136
Code 0xC4 0xC5 0xC6 0xC7 0xC8 0xC9 0xD9 0x45 0xD6 0xD7 0xD5 0xDA 0xDB 0xDD 0xE7 0xE8 0xE9 0xED 0xEC 0xF6 0xF7 0xF8 0xFB 0xFC 0xFD 0x97 0x98 0x99 0x82 0x83 0x84 0x85 0x88 0x89 0x60 0x8B 0x62 0x8D 0x8E 0x8F 0x70 0x71 Description SECURITY_STUB DXE_CPU_IO CF9_RESET PC_RTC STATUS_CODE VARIABLE - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 137
Code 0x72 0x73 0x75 0x76 0x6C 0x6D 0x6E 0x6F 0x74 0xFA 0x90 0x78 0x86 0x87 0x8A 0x7C 0x7D 0x7E 0x7F 0x9E 0x9F 0x8C 0xF9 0x72 0xBD 0x8D 0x8E 0x8F 0xA0 0xB3 0xB4 0xB7 0x9B 0xA9 0x9C 0x9D 0xCB 0xB5 0x11 0xB0 0xB1 Description MONITER_KEY LEGACY_BIOS LEGACY_BIOS_PLATFORM PCI_PLATFORM ISA_FLOOPY - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 138
Each SmmDriver entry point used in 80_PORT Code 0xD4 0xDE 0xCC 0xD2 0xDF 0xD0 0xCA 0xFE 0xD8 0x90 0x91 0x92 0x93 0x94 0x95 0xD3 Description SMM_ACCESS SMM_CONTROL SMM_BASE SMM_RUNTIME SB_SMM_DISPATCH SMM_THUNK SMM_ACPI_SW_CHILD SMM_PLATFORM SMM_GMCH_MBI SMM_FW_BLOCK_SERVICE SMM_VARIABLE SMM_IHISI - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 139
SW4 JLVDS1 JP3 JP6 JP7 LED2 SW3 Description Wireless LAN Button LCD Connector Speaker Connector Power/B Connector TouchPad Connector Battery LED TouchPad (right) Button Item JP1 JP5 JP4 U9 LED1 SW2 Description Internal MIC Connector Fun/B Connector Keyboard Connector South Bridge Power/SUSP LED - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 140
-In Jack Fan Connector ODD Connector USB Connector AC-IN Connector North Bridge Item JCRT1 JDIMM2 JLINE1 JMINI2 JRJ45 JSATA2 JUSB2 PJP2 Description CRT Connector Memory DIMM2 Connector Line-In Jack Wireless Card Connector RJ45 Connector HDD Connector USB Connector Battery Connector 130 Chapter 5 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 141
you the standard operating procedures of clearing password and BIOS recovery for eMachines D720/D520 Series. eMachines D720/D520 provide one Hardware Open Gap on main board for clearing password check, and one Hotkey for enabling BIOS Recovery. Clearing Password Check Hardware Open Gap Description - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 142
the AC adapter and Battery present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot Block. Steps for BIOS Recovery from USB Storage: Before doing this, prepare the Crisis USB key. The Crisis USB key could be made by executing the Crisis Disk - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 143
information available on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 144
eMachines D720/D520 Exploded Diagrams Main Assembly 5 1 6 7 2 8 3 9 10 11 4 No. Description 1 Mini Door 2 HDD Door 3 Ram Door 4 Lower Case 5 Middle Cover 6 Keyboard Acer P/N No. 7 8 9 10 11 Description Power Board Upper Case Mainboard CPU Fan Heatsink Acer P/N 134 Chapter - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 145
LCD Panel 1 2 3 8 4 9 5 6 10 7 11 No. Description 1 LCD Bezel 2 LCD Panel 3 Left Antenna 4 LCD Cable 5 Left Hinge 6 Mic Cable Acer P/N No. 7 8 9 10 11 Description Camera Module Right Antenna Right Hinge Inverter LCD Assembly Acer P/N Chapter 6 135 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 146
eMachines D720/D520 FRU List Category Description Adapter ADAPTER 65W 3PIN DELTA SADP65KB BFJA OBL ADAPTER 65W 3PIN DELTA SADP-65KB DFA ADAPTER 65W 3PIN LITEON PA-1650-02AC ADAPTER 65W 3PIN HIPRO AC-OK065B13 Battery BATTERY LI-ION 6CELLS 4.4AH SANYO BATTERY BRACKET 136 Acer Part No. AP - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 147
DVR-TD08RS DVD SUPER MULTI DRIVE PLDS DS-8A2S DVD SUPER MULTI DRIVE SONY AD-7560S DVD SUPER MULTI DRIVE TOSHIBA TS-L633A ODD BEZEL-SUPER MULTI ODD BRACKET DVD/CDRW COMBO DRIVE MODULE DVD/CDRW COMBO DRIVE TSST TS-L463A DVD/CDRW COMBO DRIVE SONY CRX890S ODD BEZEL-COMBO ODD BRACKET Acer Part No. 42 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 148
250G 5400RPM TOSHIBA MK2546GSX HDD SATA 250G 5400RPM SEAGATE ST9250827AS HDD SATA 250G 5400RPM WD WD2500BEVS-22UST0 HDD SATA 320G 5400RPM HGST HTS543232L9A300 HDD SATA 320G 5400RPM SEAGATE ST9320320AS HDD SATA 320G 5400RPM WD WD3200BEVT-22ZCT0 HDD CARRIER Acer Part No. KH.12007.014 KH.12004.007 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 149
(CB) CANADIAN BILINGUAL KEYBOARD (SD) SWEDISH Acer Part No. ASSY LCD MODULE 14.1 IN. WXGA GLARE W/ANTENNA CCD LCD PANEL G 14.1" WXGA AUO B141EW04 V4 LCD PANEL G 14.1" WXGA SAMSUNG LTN141W3-L01-J LCD PANEL G 14.1" WXGA CMO N141I3-L02 LCD PANEL G 14.1" WXGA LPL LP141WX3-TLN1 INVERTER BOARD LCD CABLE - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 150
MODULE MIC SET SPEAKER R&L NAME PLATE-D520 NAME PLATE-D720 RUBBER FOOT-L RUBBER FOOT-S RUBBER FOOT-HDD DOOR SCREW,M2.5X8(NL) SCREW,M2.5X5(NL) SCREW,M2X3(NL) SCREW,M2.5X4(NL) SCREW,M2X4-NI(NL) SCREW,M3X3(NL) SCREW,M2.5X6.5(NL) Description Acer Part No. 33.N0902.005 57.N0902 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 151
Chapter 6 141 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 152
Definition and Configuration Appendix A eMachines D720/D520 Series Model Description Model eMD520571G12Mi eMD520571G12Mi Greece Israel Italy Turkey Turkey Middle East Middle East Middle East Middle East Middle East Acer Part No LX.N110C.004 LX.N110C.003 LX.N110C.002 LX.N110C.001 LX.N110Y.052 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 153
CHINA CHINA CHINA CHINA CHINA CHINA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA EMEA Country Switzerland Acer Part No LX.N110Y.034 UK LX.N110Y.035 China LX.N110Y.056 Hong Kong LX.N110Y.055 China LX.N110Y.054 Hong Kong LX.N110Y - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 154
AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP AAP PA PA PA Country Eastern Europe Acer Part No LX.N110Y.018 ACLA-Spanish LX.N110Y.004 Australia/New Zealand Singapore LX.N110C.013 LX.N110C.012 India LX.N110C.011 Indonesia LX - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 155
Hong Kong CHINA China CHINA Hong Kong CHINA China CHINA China AAP AAP Australia/New Zealand Singapore AAP India AAP Indonesia AAP Indonesia AAP Philippines Acer Part No LX.N110Y.002 LX.N110Y.001 LX.N110C.016 S2.N110Y.001 S2.N250Y.001 LX.N250Y.003 LX.N250Y.002 LX.N250Y.001 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 156
Singapore India Indonesia Indonesia Philippines Malaysia Thailand Vietnam Canada USA ACLAPortuguese ACLA-Spanish Canada USA ACLAPortuguese ACLAPortuguese ACLA-Spanish ACLA-Spanish Thailand Acer Part No LX.N090C.013 LX.N090C.006 LX.N090C.005 LX.N090Y.017 LX.N090Y.013 LX.N090Y.012 LX.N090Y.014 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 157
PA ACLA-Spanish AAP Indonesia AAP Vietnam AAP India AAP India AAP India AAP India AAP India AAP India AAP India AAP Vietnam CHINA China Acer Part No LX.N090Y.026 LX.N090Y.025 LX.N090Y.024 LX.N090Y.023 LX.N090Y.022 LX.N090C.019 LX.N090C.016 LX.N090C.026 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 158
Model eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Ci eMD520571G12Ci eMD520571G12Ci - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 159
Model eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 160
Model eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520570512Ci eMD520571G12Mi eMD720321G12Mi eMD720321G12C eMD720321G16Mi eMD720321G16Mi eMD720322G32Mi eMD720322G32Mi eMD720322G32Mi - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 161
Model eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 162
Model eMD520571G12Mi eMD520171G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520571G12Mi eMD520570512Mi eMD520570512Ci eMD520572G12Mi eMD520581G12Mi eMD520582G25Mi eMD520161G12Mi eMD520162G25Mi eMD520172G25Mi eMD520171G12Mi eMD520570512Mi eMD720321G16M CPU CM575 CMT1700 CM575 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 163
® XP Home, Windows® XP Pro environment. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests. Regarding configuration, combination and test procedures, please refer to the eMachines D720/D520 Series Compatibility Test Report released by the Acer - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 164
Microsoft® Windows® Vista Environment Test Vendor Type Adapter Test F0000183 65W DELTA CN F0000183 65W-DE DELTA CN 10001023 LITE-ON 65W 60002015 HIPRO 65W Audio Codec 9999995 ONE TIME VENDER ALC268 Battery Test 60001921 SANYO 6CELL2.2 10001063 SONY 6CELL2.2 60001535 PANASONI C - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 165
Vendor 9999995 ONE TIME VENDER CPU Test 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL 10001067 INTEL - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 166
.4KS N160GB5.4KS 156 Description HDD HGST 2.5" 5400rpm 120GB HTS542512K9SA00 Bronco-B SATA II LF F/W:C31P HDD HGST 2.5" 5400rpm 120GB HTS543212L9A300 Falcon-B SATA LF F/W:C40C HDD WD 2.5" 5400rpm 120GB WD1200BEVS-22UST0 ML125 SATA LF F/W:01.01A01 HDD SEAGATE 2.5" 5400rpm 160GB ST9160827AS Corsair - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 167
.4KS RTL8111C Appendix B Description HDD TOSHIBA 2.5" 5400rpm 250GB MK2546GSX Leo BS SATA I LF F/W:LB013J HDD TOSHIBA 2.5" 5400rpm 250GB MK2546GSX Leo BS SATA I LF F/W:LB013J HDD HGST 2.5" 5400rpm 250GB HTS542525K9SA00 Bronco-B SATA II LF F/W:C31P HDD WD 2.5" 5400rpm 250GB WD2500BEVS-22UST0 ML125 - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 168
N14.1WXGAG Memory Test Memory SAMSUNG SO-DIMM DDRII 667 2GB M470T5663QZ3-CE6 LF Foxconn Delphi-AM5 V2H 1.5_3.3v T60M951 Foxconn Conexant -Unizion 1.5_3.3v T60M955.02 Foxconn Delphi-AM5 V2 3.3v Aus T60M951.3x NB Chipset Intel CS GL40NB ODD TOSHIBA COMBO 12.7mm Tray DL 24X TSL463A LF W/O bezel SATA - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 169
12.7mm Tray DL 8X AD-7560S LF W/O bezel SATA ODD PLDS Super-Multi DRIVE 12.7mm Tray DL 8X DS-8A2S LF W/O bezel SATA SB Chipset Intel CS ICH9M Foxconn FOX_ATH_XB63 Foxconn Atheros XB63 minicard b/g Foxconn Wireless LAN Broadcom 4312 minicard b/g Foxconn Wireless LAN Atheros AR5B91 1x2 BGN Foxconn - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 170
160 Appendix B - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 171
valuable support resources whenever you need them. In the Technical Information section you can download information on all of Acer's Notebook, Desktop and Server models including: • Service guides for all models • User's manuals • Training materials • Bios updates • Software utilities • Spare parts - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 172
162 Appendix C - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 173
Replaceable Unit) List 133 H Hard Disk Drive Module 50 HDTV Switch Failure 120 Hibernation mode hotkey 13 Hot Keys 11 I Indicators 9 Intermittent Problems 122 Internal Microphone Failure 114 Internal Speaker Failure 112 inverter board 78 J Jumper and Connector Locations 129 Top View 129 K Keyboard - eMachines D520 | eMachines D720/D520 Series Service Guide - Page 174
optical drive module 52 P Panel 4 Bottom 8 left 4 PC Card 9 Power On Failure 108 S Speaker Module 67 speakers hotkey 13 System Block Diagram 3 T Test Compatible Components 153 Thermal Unit Failure 120 164 Top 129 Touch Pad hotkey 13 Touch Pad Failure 112 TouchPad Bracket 65 Troubleshooting Built-in
eMachines D720/D520 Series
Service Guide
PRINTED IN TAIWAN
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to