Instruction/ maintenance manual of the product 4720 Acer
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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.
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.
IV Conventions The following conventi ons are used in this manual: SCREEN MESSAGES Denotes actual messages that appe ar on screen. NOTE Gives bits and pieces of additional information related to the current topic. W ARNING Alerts you to any damage that might result from doing or not doing specific actions.
V Preface Before using this information and the product it s upports, please read the fo llowing general info 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.
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 .
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-vid.
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.
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.
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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”).
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.
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.
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.
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.
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.
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 (Zoo.
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.
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.
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 .
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 ).
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 .
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 .
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.
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 Supervis.
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.
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.
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.
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.
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.
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.
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 t.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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 .
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 .
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 .
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 (optio.
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.
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 reco.
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.
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.
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.
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.
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).
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.
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.
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).
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 .
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.
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.
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.
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.
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.
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.
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.
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.
An important point after buying a device Acer 4720 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Acer 4720 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Acer 4720 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Acer 4720 you will learn all the available features of the product, as well as information on its operation. The information that you get Acer 4720 will certainly help you make a decision on the purchase.
If you already are a holder of Acer 4720, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Acer 4720.
However, one of the most important roles played by the user manual is to help in solving problems with Acer 4720. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Acer 4720 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
