Gebruiksaanwijzing /service van het product 4020 van de fabrikant Acer
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Acer TravelMate 4020 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 T ravelMate 4020 service guide. Date Chapter Up dates 01/12/2003 Chapter 2 Update BIOS specification.
III Copyright Copyright © 2005 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 This computer was designed with the user in mind . Here are just a few of its many features: Performance T Intel ® 915GM PCI Express chipset T Intel ® Pentium ® M processor 725 (2MB L2 cache, 1.
2 Chapter 1 T MS-Sound Compatible Storage T 60 GB A T A/100 hard disc drive T Optical drive options: 8X DVD-Du al double-layer or DVD/CD-RW combo T PC card 95 supported with one T ype II T PCI card bus T no ZV support Communication T 56Kbps V .92 with PTT approval T 10/100M LAN on board T WLAN 802.
Chapter 1 3 Battery T 4-cell of Li-ion battery pack, (2200mAh,32W) T 65W AC adaptor 19V 3.42A Weight (with battery) T 3.0 kg (6.6 lbs.) Dimensions T 364(W) x 279(D) x 33 .
4 Chapter 1 Mainboard Placement Top View.
Chapter 1 5 Rear View.
6 Chapter 1 ITEM DESCRIPTION ITEM DESCRIPTION CN2 LCD Connector CN14 DC JACK CN3 LED board connector CN15 CRT connector SW2 Lid switch CN16 Docking connector CN10 express card connector CN17 Battery c.
Chapter 1 7 Block Diagram INTEL Mobile_479 CPU 400/533MHZ DDR2 ATA 66/100 AC97 CLOCK GEN AUDIO CODEC Centrino DDR2-SODIMM1 DDR2-SODIMM2 IDE-ODD IDE - HDD MODEM RJ11 Page:27 Page:27 Page:27 Page:21 Pag.
8 Chapter 1 Outlook View A general introduction of ports allow you to connect peripheral devices, as you would with a desktop PC. Open View # Item Description 1 Display screen Also called Liquid-Crystal Display (LCD), displaying comp uter output. 2 Microphone Internal microphone for sound recordi ng.
Chapter 1 9 Front Panel # Icon Item Description 1 S pe akers Left and right speakers deliver stereo a udio output. 2 Power indicator Lights when the computer is on. 3 Battery indicator Lights when the battery is being charged. 4 Bluetooth communication button/indicator Press to enable/disable Bluetooth function.
10 Chapter 1 Left View NOTE: The positions of the AcerMedia indicator , eject button and e mergency eject hole may differ dependin g on the optical drive module installed. # Item Description 1 Optical drive Internal opt ical drive; accepts CDs or DVDs depending on the optical drive type.
Chapter 1 11 Right View # Icon Item Description 1 PC Card slot eject button Ejects the PC Card from the slot. 2 PC Card slot Connects to one T ype II CardBus PC Card. 3 T wo USB 2.0 ports Connect to Universal Serial Bus (USB) 2.0 devices (e.g., USB mouse, USB camera).
12 Chapter 1 Rear View # Icon Item Description 1 Power jack Connects to an AC adapter . 2 External display port Co nnects to a display device (e.g., ex ternal monitor , LCD projector). 3 Security keylock Connects to a Kensington-compatible computer security lock.
Chapter 1 13 Bottom View # Item Description 1 Hard disk bay House s the computer 's hard disk (secured with two screws). 2 Battery release latch Unlatches the battery to remove the battery pack. 3 Battery bay Ho uses the computer's battery pack.
14 Chapter 1 Indicators Y our computer provides an array of three indicato rs located above the keyboard, in addition to fo ur indicators positioned at the front of the palm rest area. These indicato rs show the status of the computer and its componetns.
Chapter 1 15 Easy-launch buttons The build-in touchpad is a PS/2 compatible pointing device that sense s movement on its surface. The cursor responds to your finger movemen ts on the to uchpad.
16 Chapter 1 Touchpad The build-in touchpad is a PS/2 compatible pointing device that sense s movement on its surface. The cursor responds to your finger movemen ts on the to uchpad.
Chapter 1 17 Using the Keyboard The full-sized keyboard includes an e mbedded numeric ke ypad, separate cursor keys, two Windows keys and twelve function keys. Lock keys and embedded numeric keypad The keyboard h as four lock keys which you can toggle on and off.
18 Chapter 1 Hot Keys The computer employs hot keys 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 th e <Fn> key bef ore pressing the other key in the hot key combination.
Chapter 1 19 Y our computer provides the following hot keys: NOTE: When activati ng hotkeys, press and hold the Fn key before pressing the other key in the hotkey combination. Special Keys Y ou can locate the Euro symbol and US dollar sign at the uppe r-centerand/or bottom-right of your keyb oard.
20 Chapter 1 The Euro symbol 1. Open a text editor or word processor. 2. Either directly press the Euro symbol at the bottom-right of the keyboard, or hold Alt Gr and then press the Euro symbol at the upper-center of the keyboard. The US dollar sign 1.
Chapter 1 21 Using System Utilities Acer eManager Innovative Acer eManagement so ftware is designed for easy access to frequently used fun ctions. At the press of Acer Empowering Key , the Acer eManager user interface appears, featuring four main settings -- Acer eSetting, Acer ePresentation, Acer ePowerManagement an d Acer eRecovery .
22 Chapter 1 Launch Manager Launch Manager allows you to set the two launch keys located above the keyboard. Y ou can access the Launch Manager by clicking on St art, All Programs , and then Launch Manager to start the application.
Chapter 1 23 Hardware Specificatio ns and Configurations Processor Item Specification CPU type Intel ® Pentium ® M Processor at 1.5 ~2.13 GHz or higher Intel ® Celeron ® M Processor at 1.3~1.5 GHz or higher CPU package uFPGA 478 CPU core voltage Depend on DVI CPU I/O voltage 1.
24 Chapter 1 . . System Memory Item Specification Memory controller 915PM/915GM Memory size 256MB/512MB DIMM socket number 2 Supports memory size per slot 1024 MB Supports maximum memory size 2GB Supports DIMM type DDRII SDRAM st andard Supports DIMM S peed 400/533 MHz Supports DIMM voltage 1.
Chapter 1 25 Item Specification Audio Controller AC’ 97 Codec Audio onboard or optional Built-in Mono or S tereo S tereo Resolution 20 bit stereo Digital to analog converter 18 bit stereo Analog to Ditial converter Compatibility Microsoft PC99/2 100, AC97 2.
26 Chapter 1 Battery Item Specification V endor & model name Panasonic/Sanyo Battery T ype Li-ion Pack capacity 65Wh Cell voltage 3.7V/cell/2000mAh High discharge ra te Number of battery cell 8-ce.
Chapter 1 27 LCD:15”XGA Item Specification s V endor & model name AU B150XG02 V. 2 LG LP150X08-A3 Samsung L T N150XB- L03-C00 Hitachi TX38D81VC 1 CAB Rev .
28 Chapter 1 Frequency variation rang e (Hz) 47 - 63 Nominal voltages (V rms) 90 - 264 Inrush current The maximum inrush current will be less than 50A and 100A when the adapter is connected to 100V ac(60Hz) and 240V ac(50Hz) respectively . Efficiency High efficiency 85% minimum, at 100~240V ac AC input, full load, warm-up condition.
Chapter 1 29 Dimensions and Weight Item Details Deminsions 360(W) x 273(D) x 27~32 (H)mm Weight 6.6lbs (3kg) Environmental Requirements Item Specification T emperature Operating +5 ~ +35°C Non-operat.
30 Chapter 1 TOS HI BA Model Name MK4025GAS ,KA100A, 40GB Pluto MK6025GAS 60GB Pluto MK8025GAS, 8MB, 80GB Data S t orage Physical Per drive, formatted 40.
Chapter 1 31 T rack-to-track 2ms 2ms 2ms Average 12ms 12ms 12ms Maximum 22ms 22ms 22ms TOS HI BA Nominal Power Requirements Logic +5V( %) +5V( %) +5V( %) S tart 4.7watts 5.0watt s 4.7watts Seeking 2.6watts 2.9watts 2.6watts Reading/Writing 2.3watts 2.
32 Chapter 1 Preventive Maintenance None None None MTTF (Power on hours) 300,000 300,000 300,000 Product Life 5 years or 20,000 power ON hours 5 years or 20,000 power ON hours 5 years or 20,000 power .
Chapter 2 33 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 computer is already properly configured and optim ized, and you do not need to run this utility .
34 Chapter 2 Information NOTE: The information on this page varies to mode ls Parameter Description CPU T ype CPU S pee d HDD Model Name This item will show the Model name of HDD installed on Primary IDE master . The hard disk model name is automatically detected by the system.
Chapter 2 35 Asset T ag Number This item will show the Asset T ag number of the system. Product Name This field will show product name. Manufacturer Name This field will show manu facturer name. UUID This will be visible only when there i s an internal LAN d evice present.
36 Chapter 2 Main This menu provides you th e information of the system. Parameter Description System T ime / System Date The hours are displayed with 24 hours format. The values set in these tw o fields take ef fect immediately . System Memory This field reports the memory size of system base me mory .
Chapter 2 37 F12 Boot Menu When this is selected, users can m odi fy device boot priority by pressing F12 key during POST . Whe n this is not selected, device boo t priority will not be adjustable during POST .
38 Chapter 2 Advanced The Advanced screen contains parameters in volving your hardware devices. It also provides advanced settings of the system. NOTE: Serial port, parallel port and FIR function...etc. hav e been taken off from hardware devices, therefore, this page does not display a ny information.
Chapter 2 39 Security The Security screen contains parameters that he lp safeguard and protect your computer from unauthorized use. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings.
40 Chapter 2 Set Supervisor/User Password If password on boot is required, the passwor d must be set otherwise it canno t be enabled. The formats of the password are as follows: Length No more than 8 .
Chapter 2 41 User can now type password in field “Enter New Password”, and re-enter password in field “Confirm New Password” for verification. If the verification is OK: The password setting is complete after user presses enter .
42 Chapter 2 Boot This menu allows the user to decide the order of boot device s to load the operating system. Boo table devices includes the di stette drive in mod ule bay , the onboard hard disk drive and the CD-ROM in module bay and onboard LAN device.
Chapter 2 43 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.
44 Chapter 2.
Chapter 3 45 This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting . T o disassemble th e computer , you ne ed the following t.
46 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 47 M2.5*6 Remove the IO bezel then you will see. 2 M2.5*6 Remove the heatsink cover then you will see. 1 M2.5*6 Remove the HDD cover then you will see. 1 M2.5*3 Detach the HDD module then you will see. 1 M2.5*3 Remove the battery then you will see.
48 Chapter 3 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 .
Chapter 3 49 Screw List Item Description SCREW M2.0X3.0-I-NI- NYLOK 86.A03V7.012 SCREW I2.5*3M- BNIH(M2.5L3) 86.T25V7.012 SCREW M2.5*4L-BZN- NYLOK 86.A03V7.006 SCREW M2.0X5-I-NI- NYLOK 86.T23V7.006 SCREW MM25060IL69 86.A08V7.004 SCREW M2.0*5- I(NI)(NYLOK) 86.
50 Chapter 3 Removing the Battery Pack NOTE: This chapter is base on Aspire 1410 and Asp ire 1680 to edit. Since they have the similar d isassemble and reassemble procedures. 1. Unlock the battery lock. 2. Slide the battery latch as shown then remove the battery pack.
Chapter 3 51 Removing the HDD Module/the memory and the Wireless LAN Card/the Thermal Module an d the CPU/ODD and the LCD Module Removing the HDD Module 1. Remove the two screws holding the HDD cover . 2. Remove the HDD cover . 3. Detach the HDD module then remove it.
52 Chapter 3 Removing the Therma l Module and CPU 1. Remove the two screws holding the IO bezel. 2. Then remove the IO bezel. 3. Remove the two screws that secure the heatsink cover . 4. Remove the heatsink cover from the main unit. 5. Disconnect the fan cable.
Chapter 3 53 Removing the ODD Module 1. Remove the three screws holding the middle cover . 2. Detach the middle cover carefully . . 3. T urn over the keyboard as shown. 4. Disconnect the keyboard cable from the main board then remove th e keyboard. 5.
54 Chapter 3 Removing the LCD Module 1. Remove the three screws holding the keyboard cover . 2. Open the LCD module as the picture shown then detach the keyboard cover from the main unit. . 3. Remove the two screws that se cure the keyboard as shown. 4.
Chapter 3 55 Disassembling the Main Unit Separate the Main Unit Into the Upper and the Lower Case Assembly 1. Remove the two screws holding the switch board. 2. Remove the switch board. 3. Disconnect the touchpad FFC from the main board. 4. Disconnect the bluetooth cable.
56 Chapter 3 Disassembling the Up per Case Assembly 1. Disconnect the touchpad board to touch pad FFC. 2. Disconnect the touchpad board to mai n board FFC. 3. Then detach the touchpad board to main board FFC from the touchpad board. 4. Remove the three screws that secure the touchpad board.
Chapter 3 57 Disassembling the Lower Case Assembly 1. Disconnect the MDC cable from the modem board . 2. Detach the MDC cable from the main board. 3. Remove the two screws holding the modem board. 4. Remove the modem board from the lower case. 5. Disconnect the speaker cable from the main board .
58 Chapter 3 13. Then remove another two screws holding the speaker set on the other side. 14. Then take out the speaker set from the lower case..
Chapter 3 59 Disassembling the LCD Module 1. Remove the four screw caps as shown. 2. Remove the four screws holding the LCD bezel. 3. Then detach the LCD bezel from the LCD module. 4. Disconnect the inverter board then remove it. 5. Remove the three screws holding the right hinge.
60 Chapter 3 13. Remove the left bracket as the picture shows. 14. T ear off the tape fastening the LCD cable. 15. T ear off the the LCD cable fastening the LCD cable, then remove it.
Chapter 3 61 Disassembling the External Modules Disassembling the HDD Mod ule 1. Remove the two screws holding the HDD bracket on one side. 2. Remove another two screws holding th e HDD bracket on the other side. 3. Then take the hard disc drive out from the HDD bracket.
62 Chapter 3.
Chapter 4 63 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.
64 Chapter 4 System Check Procedures External Diskette Drive Check Do the following to isolate the problem to a controller, dr iver , or diskette. A write-ena bled, diagnostic diskette is required. NOTE: Make sure that the diskette does not have more than on e label attached to it.
Chapter 4 65 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 doa gmpstotics prog ram (please refer to mai n board. 2. Go to the dia gnostic memory in the test items.
66 Chapter 4 4. This helps you identify first the prob lem is on recharging or discharging. From Hardware: 1. Power off the computer . 2. Remove the battery pack and measure the voltage between battery terminal s 1(+) and 6(ground ). See the following figure 3.
Chapter 4 67 Power-on Self-Tes t Error Messages The POST error message index lists the error message and their possible causes. The most like ly cause is listed first.
68 Chapter 4 Index of Error Messages Error Code List Error Codes Error Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2.
Chapter 4 69 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 .
70 Chapter 4 Error Message List No beep Error Messages FRU/Action in Sequence No beep, power-on indicator turns off and LCD is blank. Power source (battery pack and power adapter). See “Power System Check” on page 65. Ensure every connector is connected tig htly and correctly .
Chapter 4 71 Phoenix BIOS Beep Codes Code Beeps POST Routine Description 02h V erify R eal Mode 03h Disable Non-Maskable Interru pt (NMI) 04h Get CPU type 06h Initialize system hardware 08h Initialize.
72 Chapter 4 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 Disp.
Chapter 4 73 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 b oards 95h Install CD ROM for boot 96h Clear huge ES segment register 97h Fixup Multi Processor table 98h 1-2 Search for option ROMs.
74 Chapter 4 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 E.
Chapter 4 75 Index of Symptom-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.
76 Chapter 4 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 Sequence Memory count (size) appears different from actual size.
Chapter 4 77 NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undete rmined Problems” on page 79. System hangs intermittently .
78 Chapter 4 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.
Chapter 4 79 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).
80 Chapter 4.
Chapter 4 81 Top View Jumper and Connector Locations Chapter 4.
82 Chapter 5 Rear View ITEM DESCRIPTION ITEM DESCRIPTION CN2 LCD Connector CN14 DC JACK CN3 LED board connector CN15 CRT connector SW2 Lid switch CN16 Docking connector CN10 express card connector CN1.
Chapter 5 83 CN6 BT connector CN36 Line IN connector CN8 TP connector CN34 MIC IN connector U4 VGA RAM CN35 Line out/SPDIF connector U8 VGA RAM CN33 USB connector U6 LAN transformer CN32 1394 connecto.
84 Chapter 5 RTC Jumper.
Chapter 6 85 This chapter gives you the FRU (Field Replaceable Unit) listing in global configura tions of T ravelMate 4020. Refer to this chapter whenever orderi ng for parts to repair or for RMA (Return Merchandise Authorization).
86 Chapter 6 Exploded Diagram.
87 Illustration Part Name Description Acer P/N Adapter ADAPTER 65W 3 PIN DEL T A SADP-65KB BFD TBD AP .06501.005 ADAPTER 65W 3 PIN LITE-ON P A-1650-02 Q2 19V TBD AP .06503.006 ADAPTER 65W 3 PIN HIPRO HP- OK066B13QT TBD AP .06506.001 Battery BA TTERY SANYO LI- ION 4S2P 4.
88 Chapter 6 TOUCH P AD BOARD ZL1A TOUCH P AD BOARD ASSY S.P . 55.T50V7.002 Cable FFC CABLE - TP/B TO MB ZL1A TOUCH P AD BOARD M/B (FFC) ASSY S.P . 50.T50V7.001 MODEM CABLE ZL1 A MODEM CABLE ASSY S.P . 50.T50V7.002 POWER CORD U S (3 PIN) ET2S POWER CORD S/P-US 27.
89 LOWER CASE W/ SPEAKER W/O 1394 ZL3A BASE ASSY W/O 1394 S/P 60.T AHV7.001 UPPER CASE W/TP , BRACKET , MIC,BLUETOOTH CABLE W/O IR ZL2 TOP COVER TM ASSY W/O IR 60.T AHV7.002 DIMM/WIRELESS COVER ZL1 DDR COVER ASSY 42.T63V7.001 HEA TSINK COVER ZL2 HEA TSINK COVER W/O DOCKING ASS Y 42.
90 Chapter 6 DVD/CDRW COMBO DRIVE 24X QSI SBW- 242C ZI6 COMBO SBW-242C S/P-QSI KO.02407.014 OPTICAL DEVICE CONNECTOR BOARD W/MYLARY ZL1 CD ROM/B ASSY S.P . 55.T50V7.003 OPTICAL DEVICE HOLDER-SW AP ZL1 DVD HOLDER ASSY S.P . 42.T50V7.007 DVD/CDRW BEZEL FOR QSI ZL1A COMBO BEZEL (QSI) ASSY S.
91 DVD DUAL DRIVE LIET -ON SOSW-833 DL G BASE ZL6 DVD RW(DUAL) SOSW-833S S.P . KU.00804.012 OPTICAL DEVICE CONNECTOR BOARD W/MYLARY ZL1 CD ROM/B ASSY S.P . 55.T50V7.003 OPTICAL DEVICE HOLDER-SW AP ZL1 DVD HOLDER ASSY S.P . 42.T50V7.007 DVD DUAL BEZEL FOR LITE-ON ZL1A DVD DUAL BEZEL (LITON) ASSY S.
92 Chapter 6 Keyboard TM4500/TM4000/ TM2300 KEYBOARD DARFON US International ZL1A K/B EUGO-U/I ASSY S.P . KB.T5007.001 TM4500/TM4000/ TM2300 KEYBOARD DARFON Chinese ZL1A K/B ERGO- T AIW AN ASSY S.P . KB.T5007.002 TM4500/TM4000/ TM2300 KEYBOARD DARFON S panish ZL1A K/B EUGO- SP ANISH ASSY S.
93 TM4500/TM4000/ TM2300 KEYBOARD DARFON Norway ZL1A K/B EUGO- NORW A Y ASSY S.P . KB.T5007.018 TM4500/TM4000/ TM2300 KEYBOARD DARFON Danish ZL1A K/B EUGO- DANISH ASSY S.P . KB.T5007.019 TM4500/TM4000/ TM2300 KEYBOARD DARFON Turkish ZL1A K/B EUGO- TURKISH ASSY S.
94 Chapter 6 LCD MODULE 15 IN. SXGA AU B150PG03 - LIGHT GREEN SIL VER ZL1 15" LCD SXGA+ (TM-AU) ASSY S.P . NEW COLOR 6M.T63V7.01 1 LCD 15" TFT SXGA+ AU B150PG03 ( N O VAT E C ) ZI1S 15" SXGA+ LCD P ANEL S/P-AU LK.15005.008 LCD INVERTER BOARD ZL1A LCD INVERTER ASSY S.
95 LCD MODULE 15.4 IN. WXGA QDI QD15TL02- 01-LIGHT GREEN SIL VER ZL1A 1 5.4" LCD WXGA (TM QDI) ASSY S.P . NEW COLOR 6M.T50V7.029 LCD 15.4 IN. WXGA QDI QD15TL02-01 ZL1A 15.4" LCD (QDI) P ANEL ASSY S.P . LK.15409.001 LCD INVERTER BOARD ZL1A LCD INVERTER ASSY S.
96 Chapter 6 LCD MODULE 15.4 IN. WXGA CMO N154I1- L09 V .C2-LIGH T GREEN SIL VER ZL2 15.4" LCD WXGA (TM CMO) ASSY S.P . NEW COLOR 6M.T63V7.013 LCD 15.4 IN. WXGA CMO N154I1-L09 V .C2 ZL2 15.4" LCD (CMO) P ANEL ASSY S.P . LK.1540D.003 LCD INVERTER BOARD ZL1A LCD INVERTER ASSY S.
97 LCD MODULE 15.4 IN. WXGA HIT ACHI TX39D85VC1F AA- LIGHT GREEN SIL VER ZL1A 1 5.4" LCD WXGA (TM HIT ACHI) ASSY S.P . NEW COLOR 6M.T63V7.015 LCD 15.4 IN. WXGA HIT ACHI TX39D85VC1F AA ZL2 15.4" LCD (HIT ACHI) P ANEL ASSY S.P . LK.15404.003 LCD INVERTER BOARD ZL1A LCD INVERTER ASSY S.
98 Chapter 6 SO-DIMM DDR333 512MB UNIFOSA U30512AAUIQ652AW2 0 SO-DIMM DDR333 512MB UNIFOSA U30512AAUIQ652AW2 0 KN.5120H.001 MEMORY DDR333 1GB ELPI DA EBD1 1UD8ADDA SO-DIMM DDR333 1GB ELPIDA EBD1 1UD8ADDA KN.1GB09.002 SPEAKER SPEAKER SET ZL1A SPEAKER ASSY S.
99 SCREW M2.5*4L-BZN- NYLOK ET2S SCREW MM2.5X4.0 SP ARE PA R T 86.A03V7.006 SCREW M2.0X5-I-NI- NYLOK ZI1S SCREW M2.0X5-I- NI-NYLOK S/P 86.T23V7.006 SCREW MM25060IL69 DT1 SCREW MM25060IL69 SP ARE PA R T 86.A08V7.004 SCREW M2.0*5- I(NI)(NYL OK) ZI1S SCREW M2.
100 Chapter 6.
Een belangrijk punt na aankoop van elk apparaat Acer 4020 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Acer 4020 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Acer 4020 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Acer 4020 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Acer 4020 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Acer 4020 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Acer 4020 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Acer 4020 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
