Aspire 4720G/4720Z/4720/4320 SeriesService Guide
4 Chapter 1System Block DiagramNESTOS SYSTEM BLOCK DIAGRAMAzaliaPCI Bus interfacePATA ODDFSBMDCY332.768KSpeakerPATAY514.318MHZY432.768KHZPCI-e X1X4 DM
94 Chapter 6LCD BRACKET W/HINGE - R 33.AHS07.005CCD MODULE 0.3M BISON 57.TG607.001CCD MODULE 0.3M SUYIN 57.TG607.002LCD MODULE ASSY 14.1 IN WXGA W/ANT
Chapter 6 95CCD MODULE 0.3M BISON 57.TG607.001CCD MODULE 0.3M SUYIN 57.TG607.002LCD MODULE ASSY 14.1 IN WXGAG W/ANTENNA W/O CCD6M.AKD07.001LCD 14.1&qu
96 Chapter 6LCD BEZEL ASSY W/O CCD 60.AJN07.001LCD BRACKET W/HINGE - L 33.AHS07.004LCD BRACKET W/HINGE - R 33.AHS07.005MAINBOARDMAINBOARD 960GML UMA
Chapter 1 5Board LayoutTop View1 CN1 LVDS Connector 8 U17 Audio Codec (ALC 268)2 CN2 Switch Board Connector 9 CN9 Audio Board Connector3 U2 BCM5787 10
6 Chapter 1Bottom View1 CN10 VGA Connector 13 U26 Clock Generator2 CN11 S-Video Connector 14 CN26 Optical Disk Drive Connector3 CN13 Ethernet Controll
Chapter 1 7Your Acer Notebook tourAfter knowing your computer features, let us show you around your new Aspire computer.Front View# Icon Item Descript
8 Chapter 1Closed Front View4 Wireless communication button/indicatorEnables/disables the wireless function. Indicates the status of wireless LAN comm
Chapter 1 9Left View6 Headphones/speaker/line-out jack with S/PDIF supportConnects to audio line-out devices (e.g., speakers, headphones).7 Volume con
10 Chapter 1Right ViewRear view# Icon Item Description1 Optical drive Internal optical drive; accepts CDs or DVDs (slot-load or tray-load depending on
Chapter 1 11Base viewIndicatorsThe computer has several easy-to-read status indicators. The front panel indicators are visible even when the computer
12 Chapter 1NOTE: 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows green when in AC mode.Easy-Launch
Chapter 1 13Touchpad BasicsThe following teaches you how to use the touchpad:T Move your finger across the touchpad (2) to move the cursor. T Press th
IIRevision HistoryPlease refer to the table below for the updates made on Aspire 4720G/4720Z/4720/4320 service guide.Date Chapter Updates
14 Chapter 1Using the KeyboardThe keyboard has full-sized keys and an embedded keypad, separate cursor keys, one Windows key and twelve function keys.
Chapter 1 15Windows KeysThe keyboard has one key that performs Windows-specific functions.Key Icon DescriptionWindows key Pressed alone, this key has
16 Chapter 1Hot KeysThe computer employs hotkeys or key combinations to access most of the computer’s controls like screen brightness, volume output,
Chapter 1 17Special KeyYou can locate the Euro symbol and US dollar sign at the upper-center and/or bottom-right of your keyboard.To type:The Euro sym
18 Chapter 1Acer Empowering TechnologyAcer’s innovative Empowering Technology makes it easy for you to access frequently used functions and manage you
Chapter 1 19Acer eNet Management Acer eNet Management helps you to quickly and easily connect to both wired and wireless networks in a variety of loca
20 Chapter 1Acer ePower Management Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management from
Chapter 1 21Battery statusFor real-time battery life estimates based on current usage, refer to the time shown in the “Remaining Battery Life” field.F
22 Chapter 1Acer eAudio Management Acer eAudio Management allows you to easily control the enhanced sound effects of Dolby® Home Theater™ on your syst
Chapter 1 23Acer ePresentation Management Acer ePresentation Management lets you project your computer’s display to an external device or project usin
IIICopyrightCopyright © 2007 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, sto
24 Chapter 1
Chapter 1 25Acer eLock Management Acer eLock Management is a security utility that allows you to lock your removable data, optical and floppy drives t
26 Chapter 1Acer eRecovery Management Acer eRecovery Management is a powerful utility that does away with the need for recovery disks provided by the
Chapter 1 27Acer eSettings Management Acer eSettings Management allows you to inspect hardware specifications and to monitor the system health status.
28 Chapter 1Getting to know your Acer Cystal Eye webcamLaunching the Acer Crytal Eye webcamTo launch the Acer Crystal Eye webcam, double click on the
Chapter 1 29Using the System UtilitiesNOTE: The system utilities work under Microsoft Windows XP only.Acer GridVista (dual-display compatible)NOTE: Th
30 Chapter 1NOTE: Please ensure that the resolution setting of the second monitor is set to the manufacturer's recommended value.Launch ManagerLa
Chapter 1 31Hardware Specifications and ConfigurationsNOTE: If you need to check PXE version, press F2 to enter BIOS then enable boot from LAN functio
32 Chapter 1NOTE: Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. On ab
Chapter 1 33System VRAM and VBIOS OptionseSetting OSSystem MemoryVBIOS Option in BIOS/CMOSVRAM sizeSystem memory sizeVRAM sizeSystem memory size512Mb
IVConventionsThe following conventions are used in this manual:SCREEN MESSAGES Denotes actual messages that appear on screen.NOTE Gives bits and piece
34 Chapter 1 Bluetooth InterfaceItem SpecificationChipset FOXCONN T60H928.01 Bluetooth miniUSB moduleData throughput 723 bps (full speed data rate)Pr
Chapter 1 35DVD-Dual InterfaceItem SpecificationVendor & model name LITEON SOSW-833SPIONEER DVR-K16RAPerformance Specification With CD Diskette Wi
36 Chapter 1 Express Card SlotItem SpecificationPCI controller RICOH R5C833Supports card type 54mm and 34mm Express cardNumber of slots One Express c
Chapter 1 37Package configuration 3S2PNormal voltage 11.1VCharge voltage 16.8+-0.2vLCD 14.1” inchItem SpecificationVendor & model name AUO B141EW0
38 Chapter 1AC AdapterItem SpecificationInput rating Inlet 3p, 19V/3.42A, 65W, w LED, w/o PFC, universalInlet 3p, 19V/4.74A, 90W, w LED, w PFC, univer
Chapter 2 39BIOS Setup UtilityThe BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/Output System).Y
40 Chapter 2Navigating the BIOS UtilityThere are seven menu options: Info., Main, System Devices, Security, Power, Boot, and Exit.Follow these instruc
Chapter 2 41InformationNOTE: The system information is subject to different models.Parameter DescriptionCPU Type / CPU Speed This field shows the CPU
42 Chapter 2MainThe Main screen displays a summary of your computer hardware information, and also includes basic setup parameters. It allows the user
Chapter 2 43The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.NOTE: The s
VPrefaceBefore using this information and the product it supports, please read the following general information.1. This Service Guide provides you wi
44 Chapter 2SecurityThe Security screen contains parameters that help safeguard and protect your computer from unauthorized use.Phoenix TrustedCore(tm
Chapter 2 45The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.NOTE: When
46 Chapter 25. When you are done, press u to save the changes and exit the BIOS Setup Utility.Removing a PasswordFollow these steps:1. Use the w and y
Chapter 2 47If the current password entered does not match the actual current password, the screen will show you the Setup Warning.If the new password
48 Chapter 2BootThis menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the onboard hard
Chapter 2 49ExitThe Exit screen contains parameters that help safeguard and protect your computer from unauthorized use.The table below describes the
50 Chapter 2BIOS Flash UtilityThe BIOS flash memory update is required for the following conditions:T New versions of system programsT New features or
Chapter 3 51This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting.To disassemb
52 Chapter 3General InformationBefore You BeginBefore proceeding with the disassembly procedure, make sure that you do the following:1. Turn off the p
Chapter 3 53Disassembly Procedure FlowchartThe flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence
54 Chapter 3Screw ListItem Description Part NumberA SCREW M2.0*3.0-I-NI-NYLOK 86.A08V7.005B SCREW M2.5*4.0-I(NI)(NYLOK) 86.D01V7.001C SCREW M2.5*3.5-
Chapter 3 55Removing the Battery Pack1. Unlock the battery lock as shown.2. Slide the battery release latch then remove the battery.
56 Chapter 3Removing the HDD Module/ODD Module/Memory/Wireless LAN Card/Keyboard and the LCD Module 1. Press and release the PC dummy card from the PC
Chapter 3 57Removing the ODD Module6. Remove the screw fastening the ODD module.7. Use a flat screwdriver to gently push out the ODD module as shown.R
58 Chapter 313. Remove the two screws fastening the wireless LAN card.14. Take out the wireless LAN card from the main unit.Removing the Keyboard and
Chapter 3 595. Disconnect both ends of the switch board FFC cable.6. Disconnect the LCD and microphone cables, and pull through the wireless LAN anten
60 Chapter 3Disassembling the Main UnitSeparate the Main Unit Into the Upper and the Lower Case Assembly1. Remove the ten screws fastening the lower c
Chapter 3 61Removing the Audio Board4. Remove the screw fastening the audio board.5. Remove the audio board.Disassembling the Upper Case AssemblyRemov
62 Chapter 3Removing the Touchpad Cable5. Disconnect the touchpad FFC cable from the touchpad module as shown.Disassembling the Main BoardRemoving the
Chapter 3 63Removing the CPU5. Use a flat screwdriver to release the CPU lock (Turn counter clockwise).6. Remove the CPU from the CPU socket carefully
Chapter 1 1FeaturesBelow is a brief summary of the computer’s many features:Operating systemT Genuine Windows® VistaTM Home PremiumT Genuine Windows®
64 Chapter 3Disassembling the LCD Module1. Remove the six screw rubbers as shown.2. Then remove the six screws fastening the LCD bezel.3. Detach the L
Chapter 3 6510. Disconnect the LCD cable from the rear of the LCD.11. Detach the microphone cable from the LCD cover and remove the microphone.12. Rem
66 Chapter 3
Chapter 4 67Use the following procedure as a guide for computer problems.NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer
68 Chapter 4System Check ProceduresExternal Diskette Drive CheckDo the following to isolate the problem to a controller, driver, or diskette. A write-
Chapter 4 69If any of these devices do not work, reconnect the cable connector and repeat the failing operation. Memory checkMemory errors might stop
70 Chapter 4Check the Power AdapterUnplug the power adapter cable from the computer and measure the output voltage at the plug of the power adapter ca
Chapter 4 71Check the Battery Pack To check the battery pack, do the following:From Software:1. Check out the Power Management in Control Panel2. In P
72 Chapter 4Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most likely ca
Chapter 4 73Index of Error MessagesError Code ListError Codes Error Messages006 Equipment Configuration ErrorCauses:1. CPU BIOS Update Code Mismatch2.
2 Chapter 1T MPEG-2/DVD hardware-assisted capability (acceleration/full decode) (for selected models)T WMV9 (VC-1) and H.264 (AVC) support (accelerati
74 Chapter 4Real time clock error RTC batteryRun BIOS Setup Utility to reconfigure system time, then reboot system.System boardPrevious boot incomplet
Chapter 4 75Error Message ListNo beep Error Messages FRU/Action in SequenceNo beep, power-on indicator turns off and LCD is blank.Power source (batter
76 Chapter 4Phoenix BIOS Beep CodesCode Beeps POST Routine Description02h Verify Real Mode03h Disable Non-Maskable Interrupt (NMI)04h Get CPU type06h
Chapter 4 7746h 2-1-2-3 Check ROM copyright notice48h Check video configuration against CMOS49h Initialize PCI bus and devices4Ah Initialize all video
78 Chapter 48Ch Initialize floppy controller8Fh Determine number of ATA drives (optional)90h Initialize hard-disk controllers91h Initialize local-bus
Chapter 4 79D2h Unknown interruptCode BeepsE0h Initialize the chipsetE1h Initialize the bridgeE2h Initialize the CPUE3h Initialize the system timerE4h
80 Chapter 4Index of Symptom-to-FRU Error MessageLCD-Related SymptomsSymptom / Error Action in SequenceLCD backlight doesn't workLCD is too darkL
Chapter 4 81Battery can’t be charged See “Check the Battery Pack” on page 71. Battery packSystem boardPCMCIA-Related SymptomsSymptom / Error Action in
82 Chapter 4NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 84.Battery fuel g
Chapter 4 83Intermittent ProblemsIntermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defec
Chapter 1 3T Consumer infrared (CIR) portT External display (VGA) portT S-video/TV-out (NTSC/PAL) portT Headphones/speaker/line-out port with S/PDIF s
84 Chapter 4Undetermined ProblemsThe diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whet
Chapter 5 85Top View1 CN1 LVDS Connector 8 U17 Audio Codec (ALC 268)2 CN2 Switch Board Connector 9 CN9 Audio Board Connector3 U2 BCM5787 10 CN7 Microp
86 Chapter 5Bottom View1 CN10 VGA Connector 13 U26 Clock Generator2 CN11 S-Video Connector 14 CN26 Optical Disk Drive Connector3 CN13 Ethernet Control
Chapter 6 87This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 4720G/4720Z/4720/4320 series. Refer to
88 Chapter 6Aspire 4720G/4720Z/4720/4320 Exploded DiagramCategory No. Part Name and Description Acer Part No.ADAPTERADAPTER 90W 3 PIN DELTA ADP-90SB B
Chapter 6 89WIRELESS LAN BOARD 802.11BG INTEL 3945BGKI.GLN01.005INTEL WIRELESS WIFI LINK 4965ANG MOW1 (MM#886224)KI.KDN01.001INTEL WIRELESS WIFI LINK
90 Chapter 6CASE/COVER/BRACKET ASSEMBLYMIDDLE COVER 42.AHS07.001UPPER CASE ASSY W/SPEAKER BLUETOOTH CABLE TP FFC TP60.AK907.001LOWER CASE ASSY W/RUBBE
Chapter 6 91DVD-RW DRIVEDVD/RW SUPER MULTI MODULE 6M.AHS07.002DVD SUPER MULTI TRAY IN HLDS GSA-T20N LF W/O BEZELKU.0080D.027DVD SUPER MULTI DRIVE PANA
92 Chapter 6HDD BRACKET ASSY 33.AHS07.003KEYBOARDKEYBOARD 14_15KB-FV2 88KS WHITE US INTERNATIONALKB.INT00.036KEYBOARD 14_15KB-FV2 88KS WHITE TRADITI
Chapter 6 93KEYBOARD 14_15KB-FV2 89KS WHITE SWISS/GKB.INT00.041KEYBOARD 14_15KB-FV2 89KS WHITE PORTUGUESEKB.INT00.048KEYBOARD 14_15KB-FV2 88KS WHITE U
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