Acer Aspire 4720G Series Service Manual
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Acer Aspire 4720G Series Service Manual

Acer Aspire 4720G Series Service Manual

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Aspire 4720G/4720Z/4720/4320 Series
Service Guide
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to
http://csd.acer.com.tw
PRINTED IN TAIWAN

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Summary of Contents for Acer Aspire 4720G Series

  • Page 1 Aspire 4720G/4720Z/4720/4320 Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN...

  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on Aspire 4720G/4720Z/4720/4320 service guide. Date Chapter Updates...
  • Page 3 Copyright Copyright © 2007 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated.
  • Page 4 Conventions The following conventions are used in this manual: Denotes actual messages that appear SCREEN MESSAGES on screen. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions.
  • Page 5 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

  • Page 7: System Specifications

    Up to 2GB of DDR2 677 MHz memory, upgradeable to 4GB using two soDIMM modules (dual- channel support) Display and graphics 14.1” WXGA TFT LCD, up to and including 1280 x 800 pixel resolution 200-nit brightness, 16 ms response time Simultaneous multi-window viewing via Acer Vista support Dual independent display 16.7 million colors ®...
  • Page 8 ® WLAN: Intel PRO/Wireless 3945ABG network connection (dual-band tri-mode 802.11a/b/g) Wi-Fi ® CERTIFIED solution, supporting Acer SignalUp™ wireless technology (for selected models) or ® ® Intel PRO/Wireless 3945BG network connection (dual-mode 802.11b/g) Wi-Fi CERTIFIED solution, supporting Acer SignalUp™ wireless technology (for selected models) ®...
  • Page 9 Consumer infrared (CIR) port External display (VGA) port S-video/TV-out (NTSC/PAL) port Headphones/speaker/line-out port with S/PDIF support Microphone-in jack Line-in jack Ethernet (RJ-45) port Modem (RJ-11) port DC-in jack for AC adapter Environment Temperature: Operating: 5ºC to 35ºC Non-operating: -20ºC to 65ºC Humidity (non-condensing): Operating: 20%~80% Non-operating: 20%~80%...

  • Page 10: System Block Diagram

    System Block Diagram NESTOS SYSTEM BLOCK DIAGRAM 14.318MHZ Clock Generator SLG8SP512T Merom CPU 479 Pin uFCPGA Thermal Sensor 667/800 Mhz Intel NB DDRII Type II Crestline SODIMM0 Dual Channel DDR2 TV-OUT PCI-Express X16 Lan CN20 STD H9.9 SODIMM1 965GM/965PM TV-OUT 533/667 Mhz CN19 - H5.2 1299 Pin FBGA...

  • Page 11: Board Layout

    Board Layout Top View LVDS Connector Audio Codec (ALC 268) Switch Board Connector Audio Board Connector BCM5787 Microphone Connector South Bridge (ICH8M) Speaker Connector PCI Card Reader Controller Bluetooth Connector (RICOH R5C833) Express Card Socket Keyboard Connector Winbond Keyboard Controller Touchpad Connector (WPC9769LDG) Chapter 1...

  • Page 12: Bottom View

    Bottom View 1 1 1 15 16 15 16 CN10 VGA Connector Clock Generator CN11 S-Video Connector CN26 Optical Disk Drive Connector CN13 Ethernet Controller (BCM5787) CN18 DIMM Socket LAN Transform CN19 DIMM Socket CN16 RJ45/RJ11 Jack North Bridge (965PM/GM) CN17 Modem Cable Connector CN20...

  • Page 13: Your Acer Notebook Tour

    Your Acer Notebook tour After knowing your computer features, let us show you around your new Aspire computer. Front View Icon Item Description Built-in camera 0.3 megapixel web camera for video communication. Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer’s...

  • Page 14: Closed Front View

    Wireless communication Enables/disables the wireless function. button/indicator Indicates the status of wireless LAN communication. Keyboard For entering data into your computer. Touchpad Touch-sensitive pointing device which functions like a computer mouse. 4-way scroll button To scroll up, down, left, and right. Click buttons (left and The left and right buttons function like the right)

  • Page 15: Left View

    Headphones/speaker/ Connects to audio line-out devices (e.g., line-out jack with S/PDIF speakers, headphones). support Volume control Increases and decreases the volume. Left View Icon Item Description External display (VGA) Connects to a display device (e.g., external port monitor, LCD projector). S-video/TV-out (NTSC/ Connects to a television or display device PAL) port...

  • Page 16: Right View

    Right View Icon Item Description Optical drive Internal optical drive; accepts CDs or DVDs (slot-load or tray-load depending on model). Optical disk access Lights up when the optical drive is active. indicator Optical drive eject Ejects the optical disk from the drive. button Emergency eject hole Ejects the optical drive tray when the...

  • Page 17: Base View

    Base view Item Description Battery bay Houses the computer’s battery pack. Battery lock Locks the battery in position. Battery release latch Releases the battery for removal. Ventilation slots and Enable the computer to stay cool, even after prolonged use. cooling fan Note: Do not cover or obstruct the opening of the fan.
  • Page 18 Press “ “ to run the Acer Empowering Technology. The mail and Web browser buttons are pre-set to email and Internet programs, but can be reset by users. To set the programmable buttons (Web browser button, mail button, and Empowering key), run the Acer Launch Manager.

  • Page 19: Touchpad Basics

    Launch key Default application Acer Empowering Technology (user-programmable) Web browser Internet browser (user-programmable) Mail Email application (user-programmable) Arcade Acer Arcade utility Touchpad Basics The following teaches you how to use the touchpad: Move your finger across the touchpad (2) to move the cursor.

  • Page 20: Using The Keyboard

    Using the Keyboard The keyboard has full-sized keys and an embedded keypad, separate cursor keys, one Windows key and twelve function keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Lock Key Description Caps Lock...

  • Page 21: Windows Keys

    Windows Keys The keyboard has one key that performs Windows-specific functions. Icon 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 function: + <D>...

  • Page 22: Hot Keys

    Description <Fn>+<F1> Hot key help Displays help on hot keys. <Fn>+<F2> Acer eSettings Launches the Acer eSettings in Acer eManager. <Fn>+<F3> Acer ePower Launches the Acer ePower Management in Acer Management Empowering Technology. See “Acer Empowering Technology” on page 18.

  • Page 23: Special Key

    Hot Key Icon Function Description <Fn>+<Pg Previous Returns to previous media file. Dn> <Fn>+<End> Next Jumps to next media file. Special Key You can locate the Euro symbol and US dollar sign at the upper-center and/or bottom-right of your keyboard. To type: The Euro symbol Open a text editor or word processor.

  • Page 24: Acer Empowering Technology

    Acer Empowering Technology Acer’s innovative Empowering Technology makes it easy for you to access frequently used functions and manage your new Acer notebook. It features the following handy utilities: Acer eNet Management hooks up to location-based networks intelligently. Acer ePower Management extends battery power via versatile usage profiles.

  • Page 25: Acer Enet Management

    To access this utility, either click on the “Acer eNet Management” icon on your notebook, or start the program from the Start menu. You also have the option to set Acer eNet Management to start automatically when you boot up your PC.

  • Page 26: Acer Epower Management

    Acer ePower Management Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management from the Empowering Technology interface. AC Mode (Adapter mode) The default setting is “Maximum Performance.” You can adjust CPU speed, LCD brightness and other settings, or click on buttons to turn the following functions on/off: Wireless LAN, Bluetooth, CardBus, FireWire (1394), Wired LAN and Optical Device if supported.
  • Page 27 Battery status For real-time battery life estimates based on current usage, refer to the time shown in the “Remaining Battery Life” field. For additional power options, click “More Power option”. Chapter 1...

  • Page 28: Acer Eaudio Management

    Acer eAudio Management Acer eAudio Management allows you to easily control the enhanced sound effects of Dolby® Home Theater™ on your system. Select "Movie" or "Game" mode to experience the awesome realism of 5.1-channel surround sound from just 2 speakers, via Dolby Virtual Speaker technology. "Music" mode lets you enjoy your favorite tunes, in vivid detail.

  • Page 29: Acer Epresentation Management

    Acer eDataSecurity Management Acer eDataSecurity Management is handy file encryption utility that protects your files from being accessed by unauthorized persons. It is conveniently integrated with Windows explorer as a shell extension for quick and easy data encryption/decryption and also supports on-the-fly file encryption for MSN Messenger and Microsoft Outlook.
  • Page 30 Chapter 1...

  • Page 31: Acer Elock Management

    Interfaces - includes serial ports, parallel port, infrared (IR), and Bluetooth. To activate Acer eLock Management, a password must be set first. Once set, you can apply locks to any of the devices. Lock(s) will immediately be set without any reboot necessary, and will remain locked after rebooting, until unlocked.

  • Page 32: Acer Erecovery Management

    Acer eRecovery Management Acer eRecovery Management is a powerful utility that does away with the need for recovery disks provided by the manufacturer. The Acer eRecovery Management utility occupies space in a hidden partition on your system’s HDD. User-created backups are stored on D:\ drive. Acer eRecovery Management provides you with: Password protection.

  • Page 33: Acer Esettings Management

    Acer eSettings Management Acer eSettings Management allows you to inspect hardware specifications and to monitor the system health status. Furthermore, Acer eSettings Management enables you to optimize your Windows operating system, so your computer runs faster, smoother and better. Acer eSettings Management also: Provides a simple graphical user interface for navigating.
  • Page 34 Launching the Acer Crytal Eye webcam To launch the Acer Crystal Eye webcam, double click on the Acer Crystal Eye webcam icon on the screen. Click Start > All programs > Crystal Eye webcam > Acer Crystal Eye webcam. The Acer Crystal Eye webcam capture window appears.

  • Page 35: Using The System Utilities

    Acer GridVista is a handy utility that offers four pre-defined display settings so you can view multiple windows on the same screen. To access this function, please go to Start > All Programs and click on Acer GridVista. Start All Programs...

  • Page 36: Launch Manager

    NOTE: Please ensure that the resolution setting of the second monitor is set to the manufacturer's recommended value. Note: Launch Manager Launch Manager allows you to set the four easy-launch buttons (see their locations mentioned in “Easy- Launch Buttons”). You can access the Launch Manager by clicking Start > All Programs > Launch Manager "Easy-launch buttons"...

  • Page 37: Hardware Specifications And Configurations

    Block, PCI Bus Power Management Interface Specification, USB1.1/2.0, IEEE 1394 1.0, USB/1394 CD-ROM Boot Up support, PC Card 95 (PCMCIA 3.0 Compliant Device), Acer WMI, Acer LED, Acer VRAM, Acer MDA 2007 requirements, WfM 2.0, PXE (Preboot Execution Environment), BIS 1.0 (Boot Integrity Service Application Program Interface),...
  • Page 38 System Memory Item Specification Memory controller ® Built-in Intel PM965 Memory size 0MB (no on-board memory) DIMM socket number 2 sockets Supports memory size per socket Supports maximum memory size 4GB (by two 1024MB SO-DIMM module) Supports DIMM type DDR 2 Synchronous DRAM Supports DIMM Speed 533/667 MHz Supports DIMM voltage...
  • Page 39 System VRAM and VBIOS Options eSetting VBIOS Option System System System in BIOS/ VRAM size VRAM size Memory memory size memory size CMOS 512Mb 128MB Dedicated 128MB 512MB 192MB 512MB Max. available 192MB 256MB Dedicated 256MB 512MB 320MB 512MB Max. available 320MB 512MB Dedicated...
  • Page 40 Bluetooth Interface Item Specification Chipset FOXCONN T60H928.01 Bluetooth miniUSB module Data throughput 723 bps (full speed data rate) Protocol Bluetooth 2.0+EDR Interface USB 1.1 Connector type Wireless Module 802.11b/g, 802.11a/b/g, 802.11a/g/n Item Specification Chipset Intel Data throughput 11~54 Mbps Protocol 802.11b/g, 802.11a/b/g, or 802.11 a/g/n Interface Mini PCI or Wi-Fi...
  • Page 41 DVD-Dual Interface Item Specification Vendor & model name LITEON SOSW-833S PIONEER DVR-K16RA Performance Specification With CD Diskette With DVD Diskette Transfer rate (KB/sec) Sustained: Sustained: Max 3.6Mbytes/sec Max 10.8Mbytes/sec Buffer Memory Interface Enhanced IDE(ATAPI) compatible Applicable disc format Support disc formats 1.
  • Page 42 Express Card Slot Item Specification PCI controller RICOH R5C833 Supports card type 54mm and 34mm Express card Number of slots One Express card Access location Left side Supports ZV (Zoomed Video) port No ZV support Supports 32 bit CardBus System Board Major Chips Item Controller Core logic...
  • Page 43 Battery Item Specification Package configuration 3S2P Normal voltage 11.1V Charge voltage 16.8+-0.2v LCD 14.1” inch Item Specification Vendor & model name SAMSUNG B141EW04-V4 LP141WX1- B141EW04-V3 WXGA LF GLARE TLA1 GLARE LF NONE- LTN141W3- GLARE L01-0 GLARE Screen Diagonal (mm) 14.1 inches 14.1 inches 14.1 inches 14.1 inches...
  • Page 44 AC Adapter Item Specification Input rating Inlet 3p, 19V/3.42A, 65W, w LED, w/o PFC, universal Inlet 3p, 19V/4.74A, 90W, w LED, w PFC, universal Maximum input AC current 3.42A / 4.74A Inrush current 220A@115VAC 220A@230VAC Efficiency 82% min. @115VAC input full load System Power Management ACPI mode Power Management...

  • Page 45: System Utilities

    ATAPI Model Name : Optiarc DVD RW AD-7530A System BIOS Version: v1.3701 SantaRosa 1436 VGA BIOS Version: xxxxxxxxxxxxxxxxxxxxxx Serial Number: Asset Tag Number: Produce Name: Manufacturer Name: Acer xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx UUID: Help Select Item F5/F6 Change Values Setup Defaults Exit Select Menu...

  • Page 46: Navigating The Bios Utility

    Navigating the BIOS Utility There are seven menu options: Info., Main, System Devices, Security, Power, Boot, and Exit. Follow these instructions: To choose a menu, use the cursor left/right keys (zx). To choose an option, use the cursor up/down keys (wy). To change an option format, press por q.
  • Page 47 ATAPI Model Name : Optiarc DVD RW AD-7530A System BIOS Version: v1.3701 SantaRosa 1436 VGA BIOS Version: xxxxxxxxxxxxxxxxxxxxxx Serial Number: Asset Tag Number: Produce Name: Manufacturer Name: Acer xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx UUID: Help Select Item F5/F6 Change Values Setup Defaults Exit Select Menu...

  • Page 48: Main Screen

    Main The Main screen displays a summary of your computer hardware information, and also includes basic setup parameters. It allows the user to specify standard IBM PC AT system parameters. Phoenix TrustedCore(tm) Setup Utility Information Main Security Boot Exit Item Specific Help System Time: [19:03:49] System Date :...
  • Page 49 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter Description Format/Option System Time Sets the system time. The hours are displayed Format: HH:MM:SS with 24-hour format. (hour:minute:second) System Time System Date Sets the system date.

  • Page 50: Security

    Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. Phoenix TrustedCore(tm) Setup Utility Information Main Security Boot Exit Item Specific Help Supervisor Password Is : Clear User Password Is : Clear Hard Disk Password Status : Clear Supervisor Password Set Supervisor Password...

  • Page 51: Setting A Password

    The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter Description Option Supervisor Password Is Shows the setting of the Supervisor password Clear or Set User Password Is Shows the setting of the user password. Clear or Set Clear...

  • Page 52: Removing A Password

    When you are done, press u to save the changes and exit the BIOS Setup Utility. Removing a Password Follow these steps: Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Supervisor Password box appears: Set Supervisor Password Enter Current Password...
  • Page 53 If the current password entered does not match the actual current password, the screen will show you the Setup Warning. Setup Warning Invalid Password. [Continue] If the new password and confirm new password strings do not match, the screen will display the following message.
  • Page 54 Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the onboard hard disk drive, the CD-ROM in module bay, and any external USB device. Phoenix TrustedCore(tm) Setup Utility Information Main Security...
  • Page 55 Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. Phoenix TrustedCore(tm) Setup Utility Information Main Security Boot Exit Item Specific Help Exit Saving Changes Exit System Setup and Exit Discarding Changes save your changes to Load Setup Defaults CMOS.

  • Page 56: Bios Flash Utility

    BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility.

  • Page 57: Machine Disassembly And Replacement

    Chapter 3 Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge Small Philips screw driver Philips screwdriver Plastic flat head screw driver...

  • Page 58: General Information

    General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: Turn off the power to the system and all peripherals. Unplug the AC adapter and all power and signal cables from the system. Remove the battery pack.

  • Page 59: Disassembly Procedure Flowchart

    Disassembly Procedure Flowchart The flowchart on the succeeding page 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 system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order.
  • Page 60 LCD Module LCD Bezel G*1 for 15" G*2 for 15.4" LCD Inverter LCD Panel Assembly G*2 for 15.4" Wireless Antenna Set F*8 (4 on left; 4 on right) LCD Bracket LCD Cable Sets Screw List Item Description Part Number SCREW M2.0*3.0-I-NI-NYLOK 86.A08V7.005 SCREW M2.5*4.0-I(NI)(NYLOK) 86.D01V7.001...

  • Page 61: Removing The Battery Pack

    Removing the Battery Pack Unlock the battery lock as shown. Slide the battery release latch then remove the battery. Chapter 3...

  • Page 62: Removing The Hdd Module

    Removing the HDD Module/ODD Module/Memory/Wireless LAN Card/ Keyboard and the LCD Module Press and release the PC dummy card from the PC slot as shown. To access the internal laptop components, you have to first remove the back panel. Turn over the laptop and remove the seven screws fastening the back panel.

  • Page 63: Removing The Odd Module

    Removing the ODD Module Remove the screw fastening the ODD module. Use a flat screwdriver to gently push out the ODD module as shown. Removing the Memory Pull out the snaps securing the memory in place. The memory will pop up. Remove the memory from the DIMM socket (If the notebook has two memory modules, then repeat this step).
  • Page 64 13. Remove the two screws fastening the wireless LAN card. 14. Take out the wireless LAN card from the main unit. Removing the Keyboard and LCD Module Remove the eight screws fastening the keyboard and LCD module to the main unit. Turn the notebook over and gently pry up and remove the switch board cover as shown.
  • Page 65 Disconnect both ends of the switch board FFC cable. Disconnect the LCD and microphone cables, and pull through the wireless LAN antennae from the underside of the main unit. Remove the six screws securing the hinges. Detach the LCD module from the main unit. Chapter 3...

  • Page 66: Disassembling The Main Unit

    Disassembling the Main Unit Separate the Main Unit Into the Upper and the Lower Case Assembly Remove the ten screws fastening the lower case assembly to the upper case assembly. Turn the notebook over and remove the three screws fastening the switch board. Remove the switch board from the main unit.

  • Page 67: Disassembling The Upper Case Assembly

    Removing the Audio Board Remove the screw fastening the audio board. Remove the audio board. Disassembling the Upper Case Assembly Removing the Bluetooth Module Remove the two screws fastening the Bluetooth module. Disconnect the Bluetooth cable to remove the Bluetooth module. Removing the Speakers Remove the three screws fastening the speakers.
  • Page 68 Removing the Touchpad Cable Disconnect the touchpad FFC cable from the touchpad module as shown. Disassembling the Main Board Removing the Power Board Remove the two screws fastening the power board. Remove the power board. Removing the Thermal Module and System Fan Unscrew the six screws fastening the thermal module and system fan.
  • Page 69 Removing the CPU Use a flat screwdriver to release the CPU lock (Turn counter clockwise). Remove the CPU from the CPU socket carefully. Removing the Modem Card Remove the screw fastening the modem card. Disconnect the modem cable and remove the modem card. Chapter 3...

  • Page 70: Disassembling The Lcd Module

    Disassembling the LCD Module Remove the six screw rubbers as shown. Then remove the six screws fastening the LCD bezel. Detach the LCD bezel from the LCD module carefully. Remove the four screws holding the LCD. Detach the two inverter cable connectors from the inverter board. Disconnect the CCD cable connector from the CCD module.

  • Page 71: Disassembling The External Modules

    10. Disconnect the LCD cable from the rear of the LCD. 11. Detach the microphone cable from the LCD cover and remove the microphone. 12. Remove the CCD module from the LCD cover as shown. Disassembling the External Modules Disassembling the HDD Module Remove the two screws fastening the bracket to the HDD module.
  • Page 72 Chapter 3...

  • Page 73: Troubleshooting

    Troubleshooting Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. Obtain the failing symptoms in as much detail as possible.

  • Page 74: System Check Procedures

    System Check Procedures External Diskette Drive Check Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is required. NOTE: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause damage to the drive or cause the drive to fail.

  • Page 75: Memory Check

    If any of these devices do not work, reconnect the cable connector and repeat the failing operation. Memory check Memory errors might stop system operations, show error messages on the screen, or hang the system. Boot from the diagnostics diskette and start the diagnostic program (please refer to main board). Go to the diagnostic memory in the test items.

  • Page 76: Check The Power Adapter

    Check the Power Adapter Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power adapter cable. See the following figure: Pin 1: +19 to +20.5V Pin 2: 0V, Ground If the voltage is not correct, replace the power adapter. If the voltage is within the range, do the following: Replace the System board.

  • Page 77: Check The Battery Pack

    Check the Battery Pack To check the battery pack, do the following: From Software: Check out the Power Management in Control Panel In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total Battery Power Remaining are correct.
  • Page 78 Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most likely cause is listed first. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the computer.

  • Page 79: Index Of Error Messages

    Index of Error Messages Error Code List Error Codes Error Messages Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (THe causes will be shown before “Equipment Configuration Error”) Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error...
  • Page 80 Error Message List Error Messages FRU/Action in Sequence Real time clock error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Previous boot incomplete - Default configuration Run “Load Default Settings” in BIOS Setup Utility. used RTC battery System board...
  • Page 81 Error Message List No beep Error Messages FRU/Action in Sequence No beep, power-on indicator turns off and LCD is Power source (battery pack and power adapter). See “Power blank. System Check” on page 69.. Ensure every connector is connected tightly and correctly. Reconnect the DIMM.

  • Page 82: Phoenix Bios Beep Codes

    Phoenix BIOS Beep Codes Code Beeps POST Routine Description Verify Real Mode Disable Non-Maskable Interrupt (NMI) Get CPU type Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache Initialize caches to initial POST values Initialize I/O component Initialize the local bus IDE Initialize Power Management...
  • Page 83 Code Beeps POST Routine Description 2-1-2-3 Check ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled...
  • Page 84 Code Beeps POST Routine Description Initialize floppy controller Determine number of ATA drives (optional) Initialize hard-disk controllers Initialize local-bus hard-disk controllers Jump to UserPatch2 Build MPTABLE for multi-processor boards Install CD ROM for boot Clear huge ES segment register Fixup Multi Processor table Search for option ROMs.
  • Page 85 Code Beeps POST Routine Description Unknown interrupt Code Beeps Initialize the chipset Initialize the bridge Initialize the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type...

  • Page 86: Index Of Symptom-To-Fru Error Message

    Index of Symptom-to-FRU Error Message LCD-Related Symptoms Symptom / Error Action in Sequence LCD backlight doesn't work Enter BIOS Utility to execute “Load Setup Default Settings”, then reboot system. LCD is too dark Reconnect the LCD connectors. LCD brightness cannot be adjusted Keyboard (if contrast and brightness function key doesn't work).
  • Page 87 Power-Related Symptoms Symptom / Error Action in Sequence Battery can’t be charged See “Check the Battery Pack” on page 71. Battery pack System board PCMCIA-Related Symptoms Symptom / Error Action in Sequence System cannot detect the PC Card (PCMCIA) PCMCIA slot assembly System board PCMCIA slot pin is damaged.
  • Page 88 Power Management-Related Symptoms Symptom / Error Action in Sequence Battery fuel gauge in Windows doesn’t go higher Remove battery pack and let it cool for 2 hours. than 90%. Refresh battery (continue use battery until power off, then charge battery). Battery pack System board System hangs intermittently.

  • Page 89: Intermittent Problems

    Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: Run the advanced diagnostic test for the system board in loop mode at least 10 times.

  • Page 90: Undetermined Problems

    System Check” on page 69.): Power-off the computer. Visually check them for damage. If any problems are found, replace the FRU. Remove or disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive...

  • Page 91: Jumper And Connector Locations

    Chapter 5 Jumper and Connector Locations Top View LVDS Connector Audio Codec (ALC 268) Switch Board Connector Audio Board Connector BCM5787 Microphone Connector South Bridge (ICH8M) Speaker Connector PCI Card Reader Controller Bluetooth Connector (RICOH R5C833) Express Card Socket Keyboard Connector Winbond Keyboard Controller Touchpad Connector (WPC9769LDG)
  • Page 92 Bottom View 1 1 1 15 16 15 16 CN10 VGA Connector Clock Generator CN11 S-Video Connector CN26 Optical Disk Drive Connector CN13 Ethernet Controller (BCM5787) CN18 DIMM Socket LAN Transform CN19 DIMM Socket CN16 RJ45/RJ11 Jack North Bridge (965PM/GM) CN17 Modem Cable Connector CN20...
  • Page 93 Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines.
  • Page 94 Aspire 4720G/4720Z/4720/4320 Exploded Diagram Category Part Name and Description Acer Part No. ADAPTER ADAPTER 90W 3 PIN DELTA ADP- AP.09001.008 90SB BBDHF ROHS ADAPTER 90W 3 PIN LITEON PA-1900- AP.09003.009 04QB ROHS ADAPTER 65W 3 PIN LITE-ON PA1650- AP.06503.013 02 QY LF ADAPTER 65W 3 PIN Delta SADP- AP.06501.010...
  • Page 95 Category Part Name and Description Acer Part No. WIRELESS LAN BOARD 802.11BG KI.GLN01.005 INTEL 3945BG INTEL WIRELESS WIFI LINK 4965ANG KI.KDN01.001 MOW1 (MM#886224) INTEL WIRELESS WIFI LINK 4965ANG KI.KDN01.002 MOW2 (MM#886220) INTEL WIRELESS WIFI LINK 4965ANG KI.KDN01.003 ROW (MM#886434) INTEL WIRELESS WIFI LINK 4965ANG KI.KDN01.004...
  • Page 96 Category Part Name and Description Acer Part No. CASE/COVER/BRACKET ASSEMBLY MIDDLE COVER 42.AHS07.001 UPPER CASE ASSY W/SPEAKER 60.AK907.001 BLUETOOTH CABLE TP FFC TP LOWER CASE ASSY W/RUBBER 60.AHS07.002 BASE DOOR W/RUBBER 42.AHS07.002 MINI DOOR ASSY 42.AHS07.003 DUMMY EXPRESS CARD DUMMY...
  • Page 97 Category Part Name and Description Acer Part No. DVD-RW DRIVE DVD/RW SUPER MULTI MODULE 6M.AHS07.002 DVD SUPER MULTI TRAY IN HLDS KU.0080D.027 GSA-T20N LF W/O BEZEL DVD SUPER MULTI DRIVE KU.00807.051 PANASONIC UJ-850UAA1-A VISTA FW :1.60 DVD SUPER MULTI DRIVE SONY AD- KU.0080E.002...
  • Page 98 Category Part Name and Description Acer Part No. HDD BRACKET ASSY 33.AHS07.003 KEYBOARD KEYBOARD 14_15KB-FV2 88KS KB.INT00.036 WHITE US INTERNATIONAL KEYBOARD 14_15KB-FV2 88KS KB.INT00.065 WHITE TRADITIONAL CHINESE KEYBOARD 14_15KB-FV2 89KS KB.INT00.058 WHITE GREEK KEYBOARD 14_15KB-FV2 88KS KB.INT00.040 WHITE THAILAND KEYBOARD 14_15KB-FV2 89KS KB.INT00.046...
  • Page 99 Category Part Name and Description Acer Part No. KEYBOARD 14_15KB-FV2 89KS KB.INT00.041 WHITE SWISS/G KEYBOARD 14_15KB-FV2 89KS KB.INT00.048 WHITE PORTUGUESE KEYBOARD 14_15KB-FV2 88KS KB.INT00.037 WHITE US INTERNATIONAL HEBREW KEYBOARD 14_15KB-FV2 88KS KB.INT00.052 WHITE KOREAN KEYBOARD 14_15KB-FV2 89KS KB.INT00.050 WHITE NORWEGIAN LCD MODULE ASSY 14.1 IN WXGAG...
  • Page 100 Category Part Name and Description Acer Part No. LCD BRACKET W/HINGE - R 33.AHS07.005 CCD MODULE 0.3M BISON 57.TG607.001 CCD MODULE 0.3M SUYIN 57.TG607.002 LCD MODULE ASSY 14.1 IN WXGA W/ 6M.AK907.002 ANTENNA W/0.3M CCD LCD 14.1 IN. WXGA LPL LP141WX1- LK.14108.006...
  • Page 101 Category Part Name and Description Acer Part No. CCD MODULE 0.3M BISON 57.TG607.001 CCD MODULE 0.3M SUYIN 57.TG607.002 LCD MODULE ASSY 14.1 IN WXGAG 6M.AKD07.001 W/ANTENNA W/O CCD LCD 14.1" WXGA AU B141EW04-V4 LF LK.14105.018 GLARE 200NITS 16MS INVERTER BOARD 19.AGW07.001...
  • Page 102 Category Part Name and Description Acer Part No. LCD BEZEL ASSY W/O CCD 60.AJN07.001 LCD BRACKET W/HINGE - L 33.AHS07.004 LCD BRACKET W/HINGE - R 33.AHS07.005 MAINBOARD MAINBOARD 960GML UMA W/CARD MB.AKD06.001 READRE EXPRESS CARD W/O CPU MOMERY MAINBOARD 965GM UMA W/CARD MB.AKD06.002...
  • Page 103 www.s-manuals.com...

This manual is also suitable for:

Aspire 4720z seriesAspire 4320 seriesAspire 4720 series

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