Acer 4720 инструкция обслуживания

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

II Revision History Please refer to the table below for the up dates made on Aspire 4720G/4720Z/4720/432 0 service guide. Date Chapter Up date s[...]

III 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 lan guage or computer languag e, in any form or by any means, electronic, mechanical, magne tic, optical, chemi cal, manual or otherwise, without the[...]

IV Conventions The following conventi ons are used in this manual: SCREEN MESSAGES Denotes actual messages that appe ar on screen. NOTE Gives bits and pieces of additional information related to the current topic. W ARNING Alerts you to any damage that might result from doing or not doing specific actions. CAUTION Gives precautionary measures to av[...]

V Preface Before using this information and the product it s upports, please read the fo llowing general info rmation. 1. This Service Guide provides you with all techni cal information relating to the BASIC CON FIGURA TION decided for Acer's "glo bal" product offering. T o better fit local market requirements and enhance product com[...]

VI[...]

Chapter 1 1 Features Below is a brief summary of the computer ’s many features: Operating system T Genuine Windows ® Vista TM Home Premium T Genuine Windows ® Vista TM Home Basic T Genuine Windows ® Vista TM S tarter NOTE: Windows ® Vista TM Capable PCs come with Windows ® XP installed, and can be upgraded to Windows ® Vista TM . For more i[...]

2 Chapter 1 T MPEG-2/DVD hardware-assisted capability (a cceleration/full decode) (for selected models) T WMV9 (VC-1) and H.264 (A VC) support (acceleration/full deco de) (for selected models) T S-video/TV -o ut (NTSC/P AL) support T Acer Arcade TM featurin g Acer Cinem aVis ion TM and Acer ClearVision™ technologies Audio T Dolby ® certified sur[...]

Chapter 1 3 T Consumer infrared (CIR ) port T External display (VGA) port T S-video/TV -o ut (NTSC/P AL) port T Headphones/speaker/line-out port with S/PDIF support T Microphone-in jack T Line-in jack T Ethernet (RJ-45) port T Modem (RJ-1 1) port T DC-in jack for AC adapter Environment T T emperature: t Operating: 5ºC to 35ºC t Non-operating: -20[...]

4 Chapter 1 System Block Diagram NESTOS SYSTEM BLOCK DIAGRAM Azalia PCI Bus interface PATA ODD FSB MDC Y3 32.768K Speaker PATA Y5 14.318MHZ Y4 32.768KHZ PCI-e X1 X4 DMI interface USB Port x 2 SATA0 KBC PC8769L LPC SPDIF Merom CPU Line in USB 2.0 Clock Generator SLG8SP512T Thermal Sensor ICH8M Realtek Audio Codec ALC268 BIOS MIC In Crestline New Car[...]

Chapter 1 5 Board Layout Top View 1 CN1 L VDS Connector 8 U17 Audio Codec (ALC 268) 2 CN2 Switch Board Connector 9 CN9 Audio Board Connector 3 U2 BCM5787 10 CN7 Microphone Connector 4 U6 South Bridge (ICH8M) 1 1 CN5 S peaker Connector 5 U8 PCI Card Reader Controller (RICOH R5C833) 12 CN6 Bluetooth Connector 6 CN8 Express Card Socket 13 CN3 Keyboard[...]

6 Chapter 1 Bottom View 1 CN10 VGA Connector 13 U26 Clock Generator 2 CN1 1 S-Video Connector 14 CN26 Optical Disk Drive Connector 3 CN13 Ethernet Controller (BCM5787) 15 CN18 DIMM Socket 4 U20 LAN T ransform 16 CN19 DIMM Socket 5 CN16 RJ45/RJ1 1 Jack 17 U22 North Bridge (965PM/GM) 6 CN17 Modem Cable Connector 18 CN20 MXM Connector (for selected mo[...]

Chapter 1 7 Your Acer Notebook tour After knowing your computer features, let us show you around your new Aspire computer . Front View # Icon Item Description 1 Built-in camera 0.3 megapixel web camera for video communication. 2 S tatus indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer ’s functions and compo[...]

8 Chapter 1 Closed Front View 4 Wireless communication button/indicator Enables/disables the wireless function. Indicates the status of wireless LAN communication. 5 Keyboard For entering data into your computer . 6 T ouchpad T ouch-sensitive poin ting device which functions like a computer mouse. 7 4-way scroll button T o scroll up, dow n, left, a[...]

Chapter 1 9 Left View 6 Headphones/speaker/ line-out jack with S/PDIF support Connects to audio line-out devices (e.g., speakers, headphones). 7 V olume control Increases and decreases the volume. # Icon Item Description 1 External display (VGA) port Connects to a display device (e.g., external monitor , LC D projector). 2 S-video/TV -out (NTSC/ P [...]

10 Chapter 1 Right View Rear view # Icon Item Description 1 Optical drive Internal op tical drive; accepts CDs or DVDs (slot-load or tray-load depending on model). 2 Optical disk access indicator Lights up when the optical drive is active. 3 Optical drive eject button Ejects the optical disk from the drive. 4 Emergency eject hole Ejects the optical[...]

Chapter 1 11 Base view Indicators The computer has several easy -to-read status indicators. The front panel indicators are visible even when the computer cover is closed up. # Item Description 1 Battery bay Houses the computer ’s battery pack. 2 Battery lock Locks the battery in position. 3 Battery release latch Releases the battery for removal. [...]

12 Chapter 1 NOTE: 1. Chargi ng: The light shows amber when the battery is charging. 2. Fully ch arged: The light sho ws green when in AC mode. Easy-Launch Buttons T o the right of the keyboar d there are three easy-launch buttons: W eb browser , mail, and arcade bu ttons. Y ou can also find an Empowering Key “ located above the keyboard. Press ?[...]

Chapter 1 13 Touchpad Basics The following teaches you how to use the touchpad: T Move your finger across the touchpad (2) to move the cursor . T Press the left (1) and right (4) b uttons locat ed beneath the touchpad to perform selecti on and execution functions. These two buttons are simila r to the left and right buttons on a mouse. T apping on [...]

14 Chapter 1 Using the Keyboard The keyboard has full-sized keys and an embedd ed keypad, separate cursor keys, one Windows key and twelve function keys. Lock Keys and embedded numeric keypad The keyboard has three lock keys which yo u can toggle on and off. The embedded numeri c keypad functions like a desktop nume ric keypad. It is indicated by s[...]

Chapter 1 15 Windows Keys The keyboard has one key that perfo rms Windows-specific functions. Key Icon Description Windows key Pressed alone, this key has the same effect as clicking on the Windows St ar t button; it launches the S tart menu. It can also be used with other keys to provide a variety of function: + <D> Displays the desktop. + &[...]

16 Chapter 1 Hot Keys The computer employs hotkeys or key combinations to access most of the computer ’s controls like screen brightness, volume output, and the BIOS utility . T o activate hot keys, press and hold the < Fn> key before pressing the other key in the hotkey combination. Hot Key Icon Function Description <Fn>+<F1> H[...]

Chapter 1 17 Special Key Y ou can locate the Euro symbol and US dollar sign at th e u pper-center and/or botto m-right of your keybo ard. To t y p e : The Euro symbol 1. Open a text editor or word processor. 2. Either directly press the <> symbol at the bottom-right of the keyboard, or hold <Alt Gr> and then press the <5> symbol a[...]

18 Chapter 1 Acer Em powering Technology Acer ’s innovative Empowering T echnol ogy makes it easy for you to access frequently used function s and manage your new Acer notebook. It f eatures the following handy utilities: T Acer eNet Ma nagement hooks up to location-based networks intellige ntly . T Acer ePower Management extends battery power vi[...]

Chapter 1 19 Acer eNet Management Acer eNet Management helps you to quickly and eas ily connect to both wired and wireless networks in a variety of locations. T o access this utility , eithe r click on the “ Acer eNet Management ” icon on your notebook, or start the program from the S tart menu. Y ou also have the option to set Acer eNet Manage[...]

20 Chapter 1 Acer ePower Management Acer ePower Management features a straightforward user in terface. T o launch it, select Acer ePower Management from the Empowe ring T echnolog y interface. AC Mode (Adapter mode) The default setting is “Maximum Performance.” Y o u can adjust CPU speed, LCD brightness and other settings, or click on buttons t[...]

Chapter 1 21 Battery status For real-time battery life estimates based on curre nt usage, refer to the time shown in the “Remai ning Battery Life” field. For additional power options, click “ More Power option ”.[...]

22 Chapter 1 Acer eAudio Management Acer eAudio Manageme nt allows you to easil y control the enhan ced sound effects of Dolby® Home Theater™ on your system. Select "Movie" or "Game" mode to ex peri ence the awesome realism of 5.1-channel surrou nd sound from just 2 speakers, via D olby Virtual S peaker technology . " Mu[...]

Chapter 1 23 Acer ePresentation Management Acer ePresentation Management lets y ou proj ect your computer ’s display to an external device or pr oject using the hot key: Fn + F5. If auto- detection hardware is implemented in the system, your system display will be automatically switched ou t when an exter nal display is connecte d to the system. [...]

24 Chapter 1[...]

Chapter 1 25 Acer eLock Management Acer eLock Management is a security utility that allows you to lock your removable data, optical and floppy drives to ensure that data cannot be st olen while your noteboo k is unattended . T Removable data devices - includes USB disk drives, USB pen drives, USB flash drives, USB MP3 drives, USB memory card reader[...]

26 Chapter 1 Acer eRecovery Management Acer eRecovery Management is a powerf ul utility that d oes away with t he need for re covery disks provided by the manufacturer . The Acer eRecovery Management utility occupi es spac e in a hidden partition on your system’s HDD. User-created backups are stored on D: drive. Acer eRecovery Management provid[...]

Chapter 1 27 Acer eSettings Management Acer eSettings Manage ment allows you to insp ect hard ware specifi cations and to monitor the system health status. Furthermore, Acer eSettings Management enables you to opti mize your Windows oper ating system, so your computer runs fast er , smooth er and better . Acer eSettings Manage ment also: T Provides[...]

28 Chapter 1 Getting to know your Acer Cystal Eye webcam Launching the Acer Crytal Eye webcam T o launch the Acer Crystal Eye webcam, double click on the Acer Crystal Eye webcam icon on the screen. OR Click S t art > All programs > Crystal Eye webcam > Acer Crystal Eye webcam. The Acer Crystal Eye webcam capture window appears. Changing th[...]

Chapter 1 29 Using the System Utilities NOTE: The system utilities work unde r Microsoft Windows XP only . Acer GridVista (dual-display com patible) NOTE: This feature is only available on certain models. T o enable the dual monitor fe ature of the notebook, firs t ensure that the second moni to r is connected, then open the Display Settings proper[...]

30 Chapter 1 NOTE: Please ensure that the resol ution setting of the second monitor is set to the manufacturer's recommended va lue. Launch Manager Launch Manager allo ws you to set the four ea sy-launch buttons (see thei r locations mentioned in “Easy- Launch Buttons”). Y ou can access the Launch Manage r by clicking St art > All Progr[...]

Chapter 1 31 Hardware Specifications and Configurations NOTE: If you need to check PXE version, press F2 to enter BIOS then enable boot from LAN function. Af ter that, power off the system and remove the HDD. Last, reboot the lapto p. Then you will see PXE version displaying on the sc reen. Processor Item Specification CPU type Intel ® Core TM 2 D[...]

32 Chapter 1 NOTE: Above table lists s ome system memory configur ations. Y ou may combine DIMMs with various capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 co uld be reversed. System Memory Item Specification Memory controller Built-in Intel ® PM965 Memory size 0MB (no on-board memory) DIMM socket nu[...]

Chapter 1 33 System VRAM and VBIOS Options eSetting OS System Memory VBIOS Option in BIOS/ CMOS VRAM size System memory size VRAM size System memory size 512Mb 128MB Dedicated 128MB 5 12MB 192MB 512MB Max. available 192MB 256MB Dedicated 256MB 5 12MB 320MB 512MB Max. available 320MB 512MB Dedicated 512MB 5 12MB 578MB 512MB Max. available 576MB 1024[...]

34 Chapter 1 Bluetooth Inte rface Item S pecification 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 USB Wireless Module 802.1 1b/g, 802.1 1a/b/g, 802.1 1a/g/n Item S pecification Chipset Intel Data throughput 1 1~54 Mbps Protocol 802.1 1[...]

Chapter 1 35 DVD-Dual Interface Item S pecification V endor & model name LITEON SOSW-833S PIONEER DVR-K16RA Performance S pecification With CD Diskette With DVD Diskette T ransfer rate (KB/sec) Sustained: Max 3.6Mbytes/sec Sustained: Max 10.8Mbytes/sec Buffer Memory 2MB Interface Enhanced IDE(A T API) compatible Applicable disc format Support d[...]

36 Chapter 1 Express Card Slot Item S pecification 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 Y es System Board Major Chips Item Controller Core logic Intel ICH8M LAN Broadcom BCM5787M USB 2[...]

Chapter 1 37 Package configuration 3S2P Normal voltage 1 1.1V Charge voltage 16.8+-0.2v LCD 14.1” in ch Item S pecification V en dor & model name AUO B141EW04-V4 LF GLARE LPL LP141WX1- TLA1 GLARE AUO B141EW04-V3 LF NONE- GLARE SAMSUNG WXGA LT N 1 4 1 W 3 - L01-0 GLARE Screen Diagonal (mm) 14.1 inches 14.1 inches 14.1 inches 14.1 inches Active[...]

38 Chapter 1 AC Adapter Item S pecification 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@1 15V AC 220A@230V AC Efficiency 82% min. @1 15V AC input full load System Power Manag ement ACPI mode Power Management Mech. Off [...]

Chapter 2 39 BIOS Setup Utility The BIOS Setup Utility is a hardware configuration prog ram built into y our computer ’s BIOS (Basic Input/ Output System). Y our compu ter is already properly configured and optimi zed, and you do not need to run this utility . However , if you encounter configuration problems, you may need to run Setup. Please al[...]

40 Chapter 2 Navigating the BIOS Utility There are seven menu options: Info., Main, Syst em Devices, Security , Power, Boot, and Exit. Follow these instructio ns: T T o choose a menu, use the cursor left/right keys ( zx ). T T o choose an option, use the cursor up/down keys ( wy ). T T o change an option format, press p or q . T A plus sign (+) ind[...]

Chapter 2 41 Information NOTE: The system information is su bject to diff erent models. Parameter Description CPU T ype / CPU S p eed This field shows the CPU type and speed of the system. IDE1 Model Name This field shows the model na me of HDD installed on primary IDE master . IDE1 Serial Number This field displays the seri al number of HDD instal[...]

42 Chapter 2 Main The Main screen disp lays a summary of your computer hardware information, and also inclu des basic setup parameters. It allows the user to specif y st andard IBM PC A T system parameters. NOTE: The screen above is for your reference only . Actual values may differ . Phoenix TrustedCore(tm) Setup Utility Item Specific Help System [...]

Chapter 2 43 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: The sub-items under each device wil l not be shown if t he device control is set to d isable or auto. This is because the user is not allowed to control the settings in these cases. Parameter Description[...]

44 Chapter 2 Security The Security screen co ntains parameters that help sa feguard and protect your co mpu ter from unauthorized use. Phoenix TrustedCore(tm) Setup Utility Item Specific Help Supervisor Password Is : Clear User Password Is : Clear Set Supervisor Password Set User Password Password on boot : [Disabled] Supervisor Password controls a[...]

Chapter 2 45 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: When you are prompted to enter a password, you ha ve three tries be fore the system halts. Don’t forget your password. If you forget your p assword, you ma y have to return your notebo ok computer to y[...]

46 Chapter 2 5. When you are done, press u to sa ve the change s and exit the BIOS Setup Utility . Removing a Password Follow these steps: 1. Use the w and y keys to highlight the Set Sup ervisor Password parameter and press the e key . The Set Supervisor Password box appears: 2. T ype the current passw ord in the Enter Cur rent Password fiel d and[...]

Chapter 2 47 If the current password entered does not match the actual current password, the screen will show you the Setup W arning. If the new password and confirm new password strings do not match, the screen will display the following message. Setup Warning Invalid Password. [Continue] Setup Warning Password do not match. Re-enter password. [Co[...]

48 Chapter 2 Boot This menu allows the user to deci de the order of boot de vices to load the operatin g system. Bootable devices includes the onboard hard disk dr ive, the CD-ROM in modul e bay , and any external USB device. Phoenix TrustedCore(tm) Setup Utility Item Specific Help Boot priority order: Keys used to view or configure devices : Up an[...]

Chapter 2 49 Exit The Exit screen contains parameters that help safegua rd and protect your computer from unauthorized use. The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setup and save your changes to CMOS. Exit Discarding Changes Exit utility without saving setup data to CMOS. Load S[...]

50 Chapter 2 BIOS Flash Utility The BIOS flash memory upd ate is required for th e following conditions: T New versions of system programs T New features or options T Restore a BIOS when it becomes corrupted. Use the Phlash util ity to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should cre[...]

Chapter 3 51 This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting . T o disassemble the co mputer , you ne ed the following tool s: T Wrist grounding strap and conductive mat for preventing electrostatic discharge T Small Philips screw driver T Philips screwdriver T Plastic [...]

52 Chapter 3 General Information Before You Begin Before proceeding with the disassembly procedure, make su re that you do the following: 1. T urn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cab les from the system. 3. Remove the battery pack.[...]

Chapter 3 53 Disassembly Procedure Flowchart The flowchart on the succeed ing page gives you a graphic represen tation on the entire disassembly sequen ce and instructs you on the components that need to be remo ved during servicing . For example, if you want to remove the system board, you must fi rst rem ove the keyboard, then disassemble the ins[...]

54 Chapter 3 Screw List Item Description Part Number A SCREW M2.0*3.0-I-NI-NYLOK 86.A08V7.005 B SCREW M2.5*4.0-I(NI)(NYLOK) 86.D01V7.001 C SCREW M2.5*3.5-I(BNI)(NYLOK) 86.AHS07 .001 D SCREW M1.6*3-I(NI)(NYLOK) 86.AHS07 .002 E SCREW M2.5 *7L-BNI-NYLOK 86.A10V7.0 06 LCD Module LCD Inverter LCD Panel Wireless Antenna Set LCD Bezel G*1 for 15" G*2[...]

Chapter 3 55 Removing the Battery Pack 1. Unlock the battery lock as shown. 2. Slide the battery release latch then remove the battery .[...]

56 Chapter 3 Removing 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 slot as shown. 2. T o access the internal laptop components, you have to first remove the back panel. T urn over the laptop and remove the seve n screws fastening th e back panel. 3. Lift the back [...]

Chapter 3 57 Removing the ODD Module 6. Remove the screw faste ning the ODD modul e. 7. Use a flat screwdriver to gently push out the ODD module as shown . Removing the Memory 8. Pull out the snaps securing the memory in place. The memo ry will pop up. 9. Remove the memory from the DIMM socket (If the not ebook has two memory modules, then repea t [...]

58 Chapter 3 13. Remove the two screws fastening the wireless LAN card. 14. T ake out the wireless LAN card from the main unit. Removing the Keyboard and LCD Module 1. Remove the eight screws fastening the key board and LCD module to the main u nit. 2. T urn the notebook over and gently pry up and remove the switch board cover as shown. 3. Lift the[...]

Chapter 3 59 5. Disconnect both ends of the swi tch board FFC cable. 6. Disconnect the LCD and microphone cables, and pul l through the wireless LAN antennae fro m the underside of the main unit. 7. Remove the six screws securing the hinges. 8. Detach the LCD module from the main unit.[...]

60 Chapter 3 Disassembling the Main Unit Separate the Main Unit Into the Upper and the Lower Case Assembly 1. Remove the ten screws fastening the lower ca se assembly to the upper case assembly . 2. T urn the notebook over and remove the three screws fastening the switch board. 3. Remove the switch board from the main unit. 4. Remove the ten screws[...]

Chapter 3 61 Removing the Audio Board 4. Remove the screw faste ning the audio board. 5. Remove the audio board. Disassembling the Upper Case Assembly Removing the Bluetooth Module 1. Remove the two screws fastening the Bluetooth module. 2. Disconnect the Bluetooth cable to remove the Bluetooth module. Removing the Speakers 3. Remove the three scre[...]

62 Chapter 3 Removing the Touchpad Ca ble 5. Disconnect the touchpad FFC cable from the touchpad module as shown. Disassembling the Main Board Removing the P ower Board 1. Remove the two screws fastening the power board. 2. Remove the power board. Removing the Thermal Module and System Fan 3. Unscrew the six screws fastening the thermal modul e and[...]

Chapter 3 63 Removing the CPU 5. Use a flat screwdriver to release th e CPU lock (Turn counter clockwise). 6. Remove the CPU from the CPU socket carefully . Removing the Modem Card 7. Remove the screw fast ening th e modem card. 8. Disconnect th e modem cable and remove the modem card.[...]

64 Chapter 3 Disassembling the LCD Module 1. Remove the six screw rubbers as shown. 2. Then remove the six screws fastening the LCD bezel. 3. Detach the LCD bezel from the LCD module carefully . 4. Remove the four screws holding the LCD. 5. Detach the two inverter cable con nectors from the inverter board. 6. Disconnect the CCD cable connector from[...]

Chapter 3 65 10. Disconnect the LCD cable from the rear of the LCD. 11 . Detach the microphone cable from th e 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 1. Remove the two screws fastening the bracket to the HDD module. 2. Remove the bra[...]

66 Chapter 3[...]

Chapter 4 67 Use the following procedure as a gui de for computer problems. NOTE: The diagnosti c tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false e rrors and invalid system responses. 1. Obtain the failing symptoms in as much detail as possible. 2. V erify the symptom s by attemp[...]

68 Chapter 4 System Check Procedures External Diskette Drive Check Do the following to isolate the problem to a controller, dr iver , or diske tte. A write-ena bled, diagno stic diskette is required. NOTE: Make sure that the diskette does not have more than on e label attached to it. Multiple labels can cause damage to the dri ve or cause the drive[...]

Chapter 4 69 If any of these devices do not work, reconnect the cable connector and rep eat the failing o peration. Memory check Memory errors might stop system operations, show error messages on the screen, or hang the system. 1. Boot from the diagnostics diskette and start the di agnostic program (please refer to main board). 2. Go to the dia gno[...]

70 Chapter 4 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 figu re: 1. If the voltage is not correct , replace the power ad apter . 2. If the voltage is within the range, do the following: T Replace the System board. T If the problem [...]

Chapter 4 71 Check the Battery Pack T o check the battery pack, do the following: From Software: 1. Check out the Power Management in Control Panel 2. In Power Mete r , co nfirm that if the parameters sh own in the screen for Current Power Source and T otal Battery Power Remaining are correct. 3. Repeat the steps 1 and 2, fo r both battery and adap[...]

72 Chapter 4 Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most like ly cause is listed first. NOTE: Perform the FRU replacement or actions in the s equence shown in FRU/Action column, if the FRU replacement does not solve the proble m, put the ori ginal part back in the [...]

Chapter 4 73 Index of Error Messages Error Code List Error Codes Error Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Err or (THe causes will be shown before “Equipment Configuration Error”) 010 Memory Error at xxxx:xxxx:xxxx h (R:xxxxh, W:xx xxh) 070 Real T ime Clock Erro[...]

74 Chapter 4 Real time clock error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Previous boot incomplete - Default configuration used Run “Load Default Settings” in BIOS Setup Utility . RTC battery System board Memory size found by POST differed from CMOS Run “Load Default Settings” in BIOS[...]

Chapter 4 75 Error Message List No beep Error Messages FRU/Action in Sequen ce No beep, power-on indicator turns off and LCD is blank. Power source (battery pack and power adapter). See “Power System Check” on page 69.. Ensure every connector is connected tig htly and correctly . Reconnect the DIMM. LED board. System board. No beep, power-on in[...]

76 Chapter 4 Phoenix BIOS Beep Codes Code Beeps POST Routine Description 02h V erify Real Mode 03h Disable Non-Maskable Interru pt (NMI) 04h Get CPU type 06h Initialize system hardware 08h Initialize chipset with i nitial POST values 09h Set IN POST flag 0Ah Initialize CPU registers 0Bh Enable CPU cache 0Ch Initialize caches to initial POST values [...]

Chapter 4 77 46h 2-1-2-3 Check ROM copyright notice 48h Check video configuration against CMOS 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh QuietBoot start (optional) 4Ch Shadow video BIOS ROM 4Eh Display BIOS copyright notice 50h Display CPU type and speed 51h Initialize EISA board 52h T est keyboard 54h Set k[...]

78 Chapter 4 8Ch Initialize floppy controller 8Fh Determine number of A T A drives (optional) 90h Initialize hard-disk controllers 91h Initialize local-bus hard-disk controllers 92h Jump to UserPatch2 93h Build MPT ABLE for multi-processor boards 95h Install CD ROM for boot 96h Clear huge ES segment register 97h Fixup Multi Processor table 98h 1-2 [...]

Chapter 4 79 D2h Unknown interrupt Code Beeps E0h Initialize the chipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check force recovery boot E6h Checksum BIOS ROM E7h Go to BIOS E8h Set Huge Segment E9h Initialize Mu lti Processor EAh Initialize OEM special code EBh Initialize PIC[...]

80 Chapter 4 Index of Sym ptom-to-FRU Error Message LCD-Related Symptoms Symptom / Error Action in Sequence LCD backlight doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Enter BIOS Utility to execute “Load Setup Default Settings”, the n reboot system. Reconnect the LCD connectors. Keyboard (if[...]

Chapter 4 81 Battery can’t be charged See “Check t he Battery Pack” on page 71. Battery pack System board PCMCIA-Related Symptom s Symptom / Error Action in Sequence System cannot detect the PC Card (PCMCIA) PCMCIA slot assembly System board PCMCIA slot pin is damaged. PCMCIA slot assembly Memory-Related Symptoms Symptom / Error Action in Seq[...]

82 Chapter 4 NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undete rmined Problems” on page 84. Battery fuel gauge in Windows doesn’t go hig her than 90%. Remove battery pack and let it cool for 2 hours. Refresh battery (continue use battery until pow er off, then charge battery). Battery pack System[...]

Chapter 4 83 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons th at have nothing to do with a hardware defect, such as: cosmic radiation, electros tatic discharge, or software errors. FRU replacement should be considered only when a recurring prob lem exists. When analyzing an intermittent prob lem, do t[...]

84 Chapter 4 Undetermined Problems The diagnostic proble ms does not identify wh ich adapter or device failed, which in stalled devices are incorrect, whether a short circuit is suspected, or whether the system is inoperative. Follow these procedure s to isolate the fail i ng FRU (do not isolate non-defective FRU). NOTE: V eri fy that all attached [...]

Chapter 5 85 To p Vi e w 1 CN1 L VDS Connector 8 U17 Audio Codec (ALC 268) 2 CN2 Switch Board C onnector 9 CN 9 Audio Boar d Connector 3 U2 BCM5787 10 CN7 Microphone Connector 4 U6 South Bridge (ICH8M) 1 1 CN5 S peaker Connector 5 U8 PCI Card Reader Controller (RICOH R5C833) 12 CN6 Bluetooth Connector 6 CN8 Express Card Socket 13 CN3 Keyboard Conne[...]

86 Chapter 5 Bottom V iew 1 CN10 VGA Connector 13 U26 Clock Generator 2 CN1 1 S-Video Connector 14 CN26 O ptical Disk Drive Connector 3 CN13 Ethernet Controller (BCM5787) 15 CN18 DIMM Socket 4 U20 LAN T ransform 16 CN19 DIMM Socket 5 CN16 RJ45/RJ1 1 Jack 17 U22 North Bridge (965PM/GM) 6 CN17 Modem Cable Connector 18 CN20 M XM Connector (for selecte[...]

Chapter 6 87 This chapter gives you the FRU (Field Repla ceable Unit) listing in global configurations of Aspire 4720G/4720 Z/4720/4320 series. Refer to this ch apter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). Please note that WHEN ORDERING FRU P ARTS, you should c heck the most up-to-date information avail[...]

88 Chapter 6 Aspire 4720G/4720Z/4720/4320 Exploded Diagram Category No. Part Name and D escription Acer Part No. ADAPTER ADAPTER 90W 3 PIN DEL T A ADP- 90SB BBDHF ROHS AP .09001.008 ADAPTER 90W 3 PIN LITEON P A-1900- 04QB ROHS AP .09003.009 ADAPTER 65W 3 PIN LITE-ON P A1650- 02 QY LF AP .06503.013 ADAPTER 65W 3 PIN Delta SADP- 65KB DBRF LF AP .0650[...]

Chapter 6 89 WIRELESS LAN BOARD 802.1 1BG INTEL 3945BG KI.GLN01.005 INTEL WIRELESS WIFI LINK 4965ANG MOW1 (MM#886224) KI.KDN01.001 INTEL WIRELESS WIFI LINK 4965ANG MOW2 (MM#886220) KI.KDN01.002 INTEL WIRELESS WIFI LINK 4965ANG ROW (MM#886434) KI.KDN01.003 INTEL WIRELESS WIFI LINK 4965ANG JP (MM#886437) KI.KDN01.004 POWER BOARD 65W 55.AK907.001 POWE[...]

90 Chapter 6 CASE/COVER/BRACKET ASSEMBL Y MIDDLE COVER 42.AHS07.001 UPPER CASE ASSY W/SPEAKER BLUETOOTH CABLE TP FFC TP 60.AK907.001 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 4 IN 1 CARD 42.TG607.005 CPU/PROCESSOR CPU Intel Core2Dual T7100 PGA 1.8G 2M 800 SLA4A KC.7100[...]

Chapter 6 91 DVD-RW DRIVE DVD/RW SUPER MUL TI MODULE 6M.AHS07.002 DVD SUPER MUL TI TRA Y IN HLDS GSA-T20N LF W/O BEZEL KU.0080D.027 DVD SUPER MUL TI DRIVE P ANASONIC UJ-850UAA1-A VIST A FW :1.60 KU.00807.051 DVD SUPER MUL TI DRIVE SONY AD- 7530A VIST A TRA Y IN KU.0080E.002 DVD SUPER MUL TI TRA Y IN PHILIPS DS-8A1P LF W/O BEZEL KU.00809.010 OPTICAL[...]

92 Chapter 6 HDD BRACKET ASSY 33.AHS07.003 KEYBOARD KEYBOARD 14_15KB-FV2 88KS WHITE US INTERNA TIONAL KB.INT00.036 KEYBOARD 14_15KB-FV2 88KS WHITE TRADITIONAL CHINESE KB.INT00.065 KEYBOARD 14_15KB-FV2 89KS WHITE GREEK KB.INT00.058 KEYBOARD 14_15KB-FV2 88KS WHITE THAILAND KB.INT00.040 KEYBOARD 14_15KB-FV2 89KS WHITE SLO/CRO KB.INT00.046 KEYBOARD 14_[...]

Chapter 6 93 KEYBOARD 14_15KB-FV2 89KS WHITE SWISS/G KB.INT00.041 KEYBOARD 14_15KB-FV2 89KS WHITE PORT UGUESE KB.INT00.048 KEYBOARD 14_15KB-FV2 88KS WHITE US INTERNA TIONAL HEBREW KB.INT00.037 KEYBOARD 14_15KB-FV2 88KS WHITE KOREAN KB.INT00.052 KEYBOARD 14_15KB-FV2 89KS WHITE NORWEGIAN KB.INT00.050 LCD LCD MODULE ASSY 14.1 IN WXGAG W/ANTENNA W/0.3M[...]

94 Chapter 6 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/ ANTENNA W/0.3M CCD 6M.AK907.002 LCD 14.1 IN. WXGA LPL LP141WX1- TLA1 16MS LK.14108.006 LCD 14.1" WXGA AU B141EW04-V3 LF NONE GLARE 200NITS 16MS LK.14105.019 LCD 14.1 IN. SAMSUNG WXGA L TN141W3[...]

Chapter 6 95 CCD MODULE 0.3M BISON 57 .TG607.001 CCD MODULE 0.3M SUYIN 57.TG607.002 LCD MODULE ASSY 14.1 IN WXGAG W/ANTENNA W/O CCD 6M.AKD07.001 LCD 14.1" WXGA AU B141EW04-V4 LF GLARE 200NITS 16MS LK.14105.018 INVERTER BOARD 19.AGW07.001 LCD CABLE W/O CCD 50.AJN07.001 LCD COVER ASSY W/MIC W/ ANTENNA 60.AHS07.003 LCD BEZEL ASSY W/O CCD 60.AJN07[...]

96 Chapter 6 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 READRE EXPRESS CARD W/O CPU MOMERY MB.AKD06.001 MAINBOARD 9 65GM UMA W /CARD READRE EXPRESS CARD W/O CPU MOMERY MB.AKD06.002 MAINBOARD 965PM DISCRETE W/ CARD READRE EXPRESS CARD W/O CPU MO[...]