Acer TravelMate 4020 TravelMate 4020 Service Guide
Acer TravelMate 4020 Manual
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- Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 1
Acer TravelMate 4020 Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 2
Revision History Please refer to the table below for the updates made on TravelMate 4020 service guide. Date Chapter Updates II - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 3
software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 4
Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. IV - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 5
supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 6
VI - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 7
Intel® PRO/Wireless 2200BG network connection (dual-mode 802.11b/g) Wi-Fi CERTIFIEDTM solution Memory T T T 256MB or 512MB of DDRII 400/533 Upgradeable to 2GB Memory by Dual channels of SODIMM 512KB flash ROM BIOS Display T T 15" XGA TFT LCD, supporting 1024x768 pixel resolution 15.4" WXGA - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 8
Sound Compatible Storage T T T T T 60 GB ATA/100 hard disc drive Optical drive options: 8X DVD-Dual double-layer or DVD/CD-RW combo PC card 95 supported with one Type II PCI card bus no ZV support Communication T 56Kbps V.92 with PTT approval T 10/100M LAN network jack One DC-in jack (AC adapter) - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 9
T T 4-cell of Li-ion battery pack, (2200mAh,32W) 65W AC adaptor 19V 3.42A Weight (with battery) T 3.0 kg (6.6 lbs.) Dimensions T 364(W) x 279(D) x 33.9/38.9(H) mm (14.3 x 11 x 1.3/1.5 inches) Environment T Temperature T Operating: 5o C ~ 35o C T Non-operating: -20o C ~ 65o C T Humidity ( non - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 10
Mainboard Placement Top View 4 Chapter 1 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 11
Rear View Chapter 1 5 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 12
VGA RAM VGA RAM LAN transformer PCMCIA connector USB connector RJ45/RJ11 connector MINI PCI connector EC North Bridge VGA RAM BIOS ROM ITEM CN14 DC JACK CRT connector Docking connector Battery connector Fix ODD connector Swap ODD connector 2nd Battery connector PATA HDD connector SATA HDD - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 13
+1.2V Page : 38 BATTERY CHARGER Page : 39 BATTERY SELECT Page : 40 SATA ATA 66/100 AC97 AUDIO CODEC CONEXANT 20468-31 Page LAN Modem/LAN Page : 22 3 IN 1 Page: 24 PCMCIA Page: 24 1394 Page: 23 BROADCOM 10/100/1G LAN INTERUPT DOCKING DOCKING Print Port COM Port Page:33 Page:33 DEVICE - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 14
screen Also called Liquid-Crystal Display (LCD), displaying computer output. 2 Microphone Internal microphone for sound recording. 3 Keyboard For entering data into your computer. 4 Palmrest Comfortable support area for your hands when you use the computer. 5 Click buttons The left and - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 15
audio 2 Power indicator Lights when the computer is on. # Icon Item Description 3 Battery indicator Lights when the battery LAN button/indicator communications. (manufacturing option) 6 Line-in jack Accepts audio line-in devices (e.g., audio -Out/ Connects to audio line-out devices (e.g., - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 16
; accepts CDs or DVDs depending on the optical drive type. 2 LED indicator Lights up when the optical drive is active. 3 Optical drive eject Ejects the optical drive tray from the drive. button 4 Emergency eject Ejects the optical drive tray when the computer is turned off hole NOTE: The - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 17
Two USB 2.0 ports Note: Description Connect to Universal Serial Bus (USB) 2.0 devices (e.g., USB mouse, USB camera). Note: Network jack Connects to an Ethernet 10/100/1000-based network (for selected models). 5 Modem jack Connects to a phone line. 6 Ventilation slots Enable the computer to - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 18
Rear View # Icon Item Description # ## 1 IIccIocoonnn IItteemm Item Power jack DDeesscDcrerispicprtitpioitioonnn Connects to an AC adapter. 2 External display port Connects to a display device (e.g., external monitor, LCD projector). 3 Security keylock Connects to a Kensington-compatible - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 19
Bottom View # Item Description 1 Hard disk bay Houses the computer's hard disk (secured with two screws). 2 Battery release latch Unlatches the battery to remove the battery pack. 3 Battery bay Houses the computer's battery pack. 4 Battery lock Locks the battery in place. 5 Cooling - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 20
Item Caps Lock activity Description Lights when Caps Lock is activated. Num Lock activiy Lights when Num Lock is activated. Media activity Lights when the hard disk or optical drive is active. NOTE: The keypad lock must be turned on to use the embedded numeric keypad. 14 Chapter 1 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 21
Easy-launch buttons The build-in touchpad is a PS/2 compatible pointing device that senses movement on its surface. The cursor responds to your finger movements on the touchpad. In addition, the two click buttons provide the same functionality as a computer mouse, while the scroll key enables easy - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 22
scroll (2) button to scroll up or down and move left or right a page. This button mimics your cursor pressing on the right scroll bar of windows applications. 16 Chapter 1 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 23
Shift while using cursor-control keys. Main keyboard Hold Fn while typing letters on embedded keypad. keys Num Lock off Hold Fn while using cursor-control keys. Type the letters in a normal manner. Windows Keys The keyboard features two keys that perform Windows-specific functions. Chapter 1 17 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 24
window) M Shi+ftF1 (opens HeMlp and Support) + FR(opens the Find: All Files dialog box) Application key + M (minimizes all windows) j + Windows icon + M (undoes the minimize all windows most of the computer's controls like screen brightness, volume output and the BIOS Utility. To activate hot - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 25
help on hot keys. Fn-F2 eSetting Fn-F3Fn eFP5owerManagement (ePM) Launches the eSetting in the Launches the ePowerManagement in the eManager set by the Acer Empowering Key "e" Fn-F4 Sleep Puts the computer in Sleep mode. Fn-F5 Display toggle Fn En Fn-Fd6 Screen blank Switches display output - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 26
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. Open a text editor or word processor. 2. Either directly - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 27
ePresentation AAcceer r ePoweItrprM ovideas anceantgral leocamtionefronm wthere to control all AceePorweerMPanoagw emeentrMyouar PnC'as pgoweermscheemnestand maximise battery life. Acer ePowerManagement Acer ePowerManagement Acer eRecovery Acer eRecovery It backs up your files preventing data - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 28
Launch Manager Launch Manager allows you to set the two launch keys located above the keyboard. You can access the Launch Manager by clicking on Start, All Programs,Satnadrtthen Launch Manager to start thAelal pPprliocagtiorna.ms Launch Manager 22 Chapter 1 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 29
Super I/O controller Audio controller Video controller Hard disk drive controller Keyboard controller IrDA controller DVI controller PCMCIA/ card reader / 1394 controller DDR-soDIMM controller BIOS Item BIOS vendor BIOS Version BIOS ROM type BIOS ROM size BIOS package BIOS password control L2 Cache - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 30
System Memory Item Memory controller Memory size DIMM socket number Supports memory size per slot Supports maximum memory size Supports DIMM type Supports DIMM Speed Supports DIMM voltage Memory module combinations . LAN Interface Item Supports LAN protocol LAN connector type Wireless LAN LAN - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 31
Audio Controller Audio onboard or optional Mono or Stereo Resolution Compatibility Mixed sound source Sampling rate Internal microphone Internal speaker / Quantity Specification AC 89 keys Acer Fine TouchTM keyboard T with 5-degree curve Yes T four cursor keys T two Windows keys T Hotkey controls T - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 32
65W) 4-cell(32W) Package configuration BATT+: Battery+, Battery Positive Terminal ID : Identify Pin (Note 1) B/I : Battery-In Pin TS : Connect to Thermister Supports colors 16.7 million Optical Specification Brightness control keyboard hotkey Contrast control No Suspend/Standby Yes control - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 33
AC Adapter Item Vendor & model name Details Input Requirements Maximum input current (A, @100Vac, full load) Nominal frequency (Hz) Specification Delta 3-pin, 19V 3.95A, 64W Hipro 3-pin, 19V 3.95A, 65W Lite-on 3-pin, 19V 3.95A, 60W 65W Li-ion battery pack (8-cell) T 4-hour battery life (support - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 34
devices in the system are turned off completely. Individual devices such as the CPU and hard disk may be power managed in this state. CPU Power Down VGA Power Down PCMCIA Suspend Audio Power Down Hard Disk Power Down Super I/O Power Down Also called Hibernate state. System saves all system states - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 35
condensation Operating sea level 0 to 10,000ft Storage sea level 0 to 40,000ft Model Name Data Storage Physical Per drive, formatted Data Heads Number of Disks Logical Configuration Heads Cylinders User Sectors/Track at zone 0 Logical Blocks (LBA) Data Transfer Rate Max transfer rate to host - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 36
Model Name Data Storage Physical Per drive, formatted Data Heads Number of Disks Logical Configuration Heads Cylinders User Sectors/Track at zone 0 Logical Blocks (LBA) Data Transfer Rate Max transfer rate to host Seek Time TOSHIBA MK4025GAS ,KA100A, - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 37
4,200rpm 5,400rpm 4,200rpm Average Latency 7.14ms 5.56ms 7.14ms Interface ATA-2/3/4/5/6 ATA-5 ATA-2/3/4/5/6 Buffer 8MB 16MB 8MB Physical & Environmental Specs Dimensions/Weight: Height 0.37" (9.5mm) 0.37" (9.5mm) 0.37"(9.5mm) Width 2.75" (69.85mm) 2.75" (69.85mm) 2.75" (69 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 38
Preventive Maintenance MTTF (Power on hours) Product Life None 300,000 5 years or 20,000 power ON hours None 300,000 5 years or 20,000 power ON hours None 300,000 5 years or 20,000 power ON hours 32 Chapter 1 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 39
problems, you may need to run Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Main, Advanced, Security, Boot and Exit. Follow these instructions: T To choose a menu, use the cursor left Help for parameters are found in the Item Specific Help part of - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 40
HDD Model Name HDD Serial Number ATAPI Model Name System BIOS Version VGA BIOS Version KBC Version Serial Number Asset Tag Number 34 Description 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. If there - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 41
Parameter Product Name Manufacturer Name UUID Description This field will show product name. This field will show manufacturer name. This will be visible only when there is an internal LAN device present. Chapter 2 35 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 42
of the system. Parameter System Time / System Date System Memory Extended Memory Video Memory Quiet Boot Power on display Network boot Description The hours are displayed with 24 hours format. projector). When this is selected, Boot from LAN feature is enabled. When this is not selected, Boot from - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 43
key during POST. When this is not selected, device boot priority will not be adjustable during POST. Allow user to enable/disable the Disk-to-Disk recovery Selects the Processor Power Management desired: Disabled= C states and GV1/GV3 are disabled GV1/GV3 only= C states are disabled C States Only - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 44
[Both] Item Specific Help Configure serial port A using options: [Disable] No configuration [Enabled] User configuration [Auto] BIOS or OS chooses configuration (OS Controlled) Displayed when controlled by OS F1 Help Esc Exit ↑ ↓ Select Item ← → Select Menu F5/F6 Change Values Enter Select 4 Sub - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 45
Internal TouchPad Description Configure serial port B using options: [Disabled]: No configuration [Enabled]: User configuration [Auto]: BIOS or OS chooses configuration (OS Controlled) Displayedd when controlled by OS Set the mode for the parallel port using options: Output only Bi-directional EPP - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 46
Security Boot Exit Supervisor Password Is: User Password Is: HDD Password Is: HDD Master ID: Set Supervisor Password Set User Passord Set HDD Password Password on boot Clear Clear Clear 43883467 [Enter] [Enter] [Enter] [Disabled] Item Specific Help Supervisor Password controls accesses to the - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 47
disable it, turn off the system and enter Setup immediately after turning it back on. Press [Enter] to input change, or disable hard drive password. Defines whether a password is required or not while the events defined in this group happened. The following suboptions are all requires the Supervisor - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 48
. Setup Notice Changes have been saved. [ continue] If the current password entered does not match the actual current password: Setup Warning Invalid password Re-enter Password [ continue] If the new password and confirm new password strings do not match: Setup Warning Password do not match Re-enter - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 49
. Bootable devices includes the distette drive in module bay, the onboard hard disk drive and the CD-ROM in module bay and onboard LAN device. PhoenixBIOS Setup Utility Info. Main Advanced Security Boot Exit CD-ROM/DVD Drive Floppy Devices +Hard Drive Network Boot Item Specific Help + and - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 50
Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. PhoenixBIOS Setup Utility Info. Main Advanced Security Boot Exit Exit Saving Changes Exit Dicarding Changes Load Setup Defaults Discard Changes Save Changes Item Specific Help Exit - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 51
procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: T Wrist grounding strap and conductive mat for preventing electrostatic discharge T Small Philips screw driver T Philips screwdriver T Plastic flat - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 52
Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Remove the battery pack. NOTE: The screws used to secure - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 53
the heatsink cover 1 then you will see. Remove the HDD cover then 1 you will see. Detach the HDD module 1 then you will see. Remove the battery then you 1 will see. Quantity Chapter 3 47 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 54
instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. Start Battery K*2 HDD Cover HDD Module E*2 RAM/Wireless Cover Wireless LAN - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 55
LCD Module 4 screw pads M*4 LCD Bezel Antenna set *6 hinges *2 brackets LCD Cover LCD Assembly *4 LCD Inverter LCD LCD Cable LCD Brackets Screw List Item Description SCREW M2.0X3.0-I-NI- 86.A03V7.012 NYLOK SCREW I2.5*3MBNIH(M2.5L3) 86.T25V7.012 SCREW M2.5*4L-BZN- 86.A03V7.006 NYLOK - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 56
Removing the Battery Pack NOTE: This chapter is base on Aspire 1410 and Aspire 1680 to edit. Since they have the similar disassemble and reassemble procedures. 1. Unlock the battery lock. 2. Slide the battery latch as shown then remove the battery pack. 50 Chapter 3 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 57
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. Removing the Memory and the Wireless LAN Card 1. Remove the two screws that secure the RAM/Wireless cover. 2. Remove the RAM/Wireless cover. 3. Pop up the - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 58
Removing the Thermal 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. 6. Remove the four screws that secure the thermal - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 59
Removing the ODD Module 1. Remove the three screws holding the middle cover. 2. Detach the middle cover carefully. . 3. Turn over the keyboard as shown. 4. Disconnect the keyboard cable from the main board then remove the keyboard. 5. Remove the screw that fastens the ODD module. 6. Turn over the - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 60
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 secure the keyboard as shown. 4. Turn over the keyboard as shown and disconnect the keyboard - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 61
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 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 62
Disassembling the Upper Case Assembly 1. Disconnect the touchpad board to touchpad FFC. 2. Disconnect the touchpad board to main board FFC. 3. Then detach the touchpad board to - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 63
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 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 64
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. 58 Chapter 3 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 65
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 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 66
13. Remove the left bracket as the picture shows. 14. Tear off the tape fastening the LCD cable. 15. Tear off the the LCD cable fastening the LCD cable, then remove it.. 60 Chapter 3 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 67
the HDD bracket on one side. 2. Remove another two screws holding the HDD bracket on the other side. 3. Then take the hard disc drive out from the HDD bracket. Disassembling the Optical Drive Module 1. Remove the four screws as the picture shows. 2. Remove the two screws that secure the optical disc - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 68
62 Chapter 3 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 69
Troubleshooting Chapter 4 Use the following procedure as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Obtain the failing symptoms in - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 70
the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is required. NOTE: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause damage to the drive or cause the drive to fail. Do the following - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 71
cord of the power adapter for correct continuity and installation. 4. If the operational charge does not work, see "Check the Battery Pack" on page 65. Check the Battery Pack To check the battery pack, do the following: From Software: 1. Check out the Power Management in control Panel 2. In Power - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 72
battery pack. If the charge indicator still does not light up, replace the DC/DC charger board. Touchpad Check If the touchpad doesn't work, do the following actions one at a time to correct the problem symptom is not a hardware problem. No service actions are necessary if the pointer movement stops in - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 73
can also help you determine the next possible FRU to be replaced when servicing a computer. If the symptom is not listed, see "Undetermined Problems" on page 79. The following lists the error messages that the BIOS displays on the screen and the error symptoms classified by function. NOTE: Most - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 74
1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (THe causes will be shown before "Equipment Configuration Error") Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. Incorrect password is specified - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 75
System Configuration Data BIOS ROM System board I/O device IRQ conflict Run "Load Default Settings" in BIOS Setup Utility. RTC battery System board Operating system not found Enter Setup and see if fixed disk and drive A: are properly identified. Diskette drive Hard disk drive System board - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 76
board. System board. No beep, power-on indicator turns on and LCD is blank. Power source (battery pack and power adapter). See "Power System Check" on page 65. Reconnect the LCD connector Hard disk drive LCD inverter ID LCD cable LCD Inverter LCD System board No beep, power-on indicator turns on - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 77
PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 Keyboard Controller Set ES segment register to 4 GB - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 78
external RS232 ports Configure non-MCD IDE controllers Detect and install external parallel ports Initialize PC-compatible PnP ISA devices Re-initialize onboard I/O ports Configure Motherboard Configurable Devices (optional) Initialize BIOS Area Enable Non-Maskable Interrupts (NMIs) Initialize - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 79
Description Determine number of ATA drives (optional) Initialize hard-disk controllers Initialize local-bus hard-disk controllers Jump to UserPatch2 Build MPTABLE short beep before boot Terminate QuietBoot (optional) Check password (optional) Prepare Boot Initialize DMI parameters Initialize PnP - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 80
system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run Time - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 81
Enter BIOS Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter). See "Power System Check" on page 65. Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 82
make noise or emit no sound. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Sequence The system will not enter hibernation Keyboard (if control is from the keyboard) Hard disk drive System board The system - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 83
problems. Serial or parallel port device problems. Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings", then reboot system. Reconnect hard disk/CD-ROM/diskette drives Devices Configuration" of BIOS Setup Utility is set to Enabled. Device driver Device cable Device System - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 84
to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: 1. Run the advanced diagnostic test for the system board in - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 85
Visually check them for damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: T Non-Acer devices T Printer, mouse, and other external devices T Battery pack T Hard disk drive T DIMM T CD-ROM/Diskette drive Module T PC Cards 4. Power-on the computer - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 86
80 Chapter 4 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 87
Jumper and Connector Locations Top View Chapter 4 Chapter 4 81 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 88
board connector INT MIC connector Keyboard connector 82 ITEM CN14 CN15 CN16 CN17 CN18 CN21 CN24 CN30 CN31 DESCRIPTION DC JACK CRT connector Docking connector Battery connector Fix ODD connector Swap ODD connector 2nd Battery connector PATA HDD connector SATA HDD connector Chapter 5 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 89
CN28 CN25 CN20 CN22 U30 U34 U25 U24 DESCRIPTION BT connector TP connector VGA RAM VGA RAM LAN transformer PCMCIA connector USB connector RJ45/RJ11 connector MINI PCI connector EC North Bridge VGA RAM BIOS ROM ITEM CN36 CN34 CN35 CN33 CN32 CN26 CN23 CN19 U31 U29 U38 U28 DESCRIPTION Line IN - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 90
RTC Jumper 84 Chapter 5 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 91
FRU (Field Replaceable Unit) listing in global configurations of TravelMate 4020. Refer to this chapter whenever ordering for parts to repair made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 92
Exploded Diagram 86 Chapter 6 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 93
Illustration Adapter Battery Board Part Name Description Acer P/N ADAPTER 65W 3 PIN DELTA SADP-65KB BFD ADAPTER 65W 3 PIN LITE-ON PA-1650-02 Q2 19V ADAPTER 65W 3 PIN HIPRO HPOK066B13QT TBD TBD TBD AP.06501.005 AP.06503.006 AP.06506.001 BATTERY SANYO LIION 4S2P 4.4A 4UR18650F-2-QC140 BATTERY - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 94
Illustration Part Name TOUCH PAD BOARD Description ZL1A TOUCH PAD BOARD ASSY S.P. Acer P/N 55.T50V7.002 Cable FFC CABLE - TP/B TO MB ZL1A TOUCH PAD BOARD M/B (FFC) ASSY S.P. 50.T50V7.001 MODEM CABLE ZL1A MODEM CABLE ASSY S.P. 50. - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 95
W/ SPEAKER W/O 1394 Description ZL3A BASE ASSY W/O 1394 S/P Acer P/N 60.TAHV7.001 UPPER CASE W/TP, BRACKET, MIC, S.P. 42.T63V7.004 33.T50V7.001 Communication Module CPU/Processor Optical Disk Drive Module WIRELESS LAN ANTENNA ZL1A WIRELESS ANTENNA ASSY S.P. 50.T50V7.003 INTEL PENTIUM M - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 96
Illustration 90 Part Name DVD/CDRW COMBO DRIVE 24X QSI SBW242C OPTICAL DEVICE CONNECTOR BOARD W/MYLARY OPTICAL DEVICE HOLDER-SWAP DVD/CDRW BEZEL FOR QSI Description ZI6 COMBO SBW-242C S/P-QSI Acer P/N KO.02407.014 ZL1 CD ROM/B ASSY S.P. 55.T50V7.003 ZL1 DVD HOLDER ASSY S.P. ZL1A COMBO BEZEL ( - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 97
/Hard Disk Drive Part Name DVD DUAL DRIVE LIET-ON SOSW-833 DL G BASE OPTICAL DEVICE CONNECTOR BOARD W/MYLARY OPTICAL DEVICE HOLDER-SWAP DVD DUAL BEZEL FOR LITE-ON Description ZL6 DVD RW(DUAL) SOSW-833S S.P. ZL1 CD ROM/B ASSY S.P. ZL1 DVD HOLDER ASSY S.P. ZL1A DVD DUAL BEZEL (LITON) ASSY S.P. Acer - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 98
Illustration Keyboard 92 Part Name TM4500/TM4000/ TM2300 KEYBOARD DARFON US International Description ZL1A K/B EUGO-U/I ASSY S.P. Acer P/N KB.T5007.001 TM4500/TM4000/ TM2300 KEYBOARD DARFON Chinese TM4500/TM4000/ TM2300 KEYBOARD DARFON Spanish TM4500/TM4000/ TM2300 KEYBOARD DARFON Thai TM4500/ - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 99
KEYBOARD DARFON Greek TM4500/TM4000/ TM2300 KEYBOARD DARFON Hebrew TM4500/TM4000/ TM2300 KEYBOARD DARFON Russian Description ZL1A K/B EUGONORWAY ASSY S.P. Acer P/N KB.T5007.018 ZL1A K/B EUGODANISH ASSY S.P. KB.T5007.019 ZL1A K/B EUGOTURKISH ASSY S.P. KB.T5007.020 ZL1A K/B EUGO-CANA FREN - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 100
ASSY S.P. ZL1A 15" LCD HINGE (L) ASSY S.P. ZL1A 15" LCD HINGE (R) ASSY S.P. ZL1A 15" LCD BEZEL ASSY S.P. ZL1A 14/15" LCD COVER TM ASSY S.P. NEW COLOR Acer P/N 6M.T63V7.011 LK.15005.008 19.T50V7.001 50.T50V7.004 33.T50V7.002 33.T50V7.003 60.T50V7.004 60.T50V7.102 LCD - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 101
CABEL ASSY S.P. ZL1A 15.4" LCD HINGE (L) ASSY S.P. ZL1A 15.4" LCD HINGE (R) ASSY S.P. ZL1A 15.4" LCD BEZEL ASSY S.P. ZL1A 15.4" LCD (TM) COVER ASSY S.P. NEW COLOR Acer P/N 6M.T50V7.029 LK.15409.001 19.T50V7.001 50.T50V7.006 33.T50V7.004 33.T50V7.005 60.T50V7.006 60.T50V7.103 LCD - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 102
CABEL ASSY S.P. ZL1A 15.4" LCD HINGE (L) ASSY S.P. ZL1A 15.4" LCD HINGE (R) ASSY S.P. ZL1A 15.4" LCD BEZEL ASSY S.P. ZL1A 15.4" LCD (TM) COVER ASSY S.P. NEW COLOR Acer P/N 6M.T63V7.013 LK.1540D.003 19.T50V7.001 50.T50V7.006 33.T50V7.004 33.T50V7.005 60.T50V7.006 60.T50V7.103 LCD - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 103
15.4" LCD BEZEL ASSY S.P. ZL1A 15.4" LCD (TM) COVER ASSY S.P. NEW COLOR Acer P/N 6M.T63V7.015 LK.15404.003 19.T50V7.001 50.T50V7.006 33.T50V7.004 W/PCMCIA SLOT W/O CPU MEMORY ZL3A M/B (UMA)ASSY S/P LB.TAH06.001 MEMORY MEMORY DDR333 256MB INFINEON HYS64D32020HDL-6-C (.11u) - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 104
Illustration SPEAKER Part Name SO-DIMM DDR333 512MB UNIFOSA U30512AAUIQ652AW2 0 MEMORY DDR333 1GB ELPIDA EBD11UD8ADDA Description SO-DIMM DDR333 512MB UNIFOSA U30512AAUIQ652AW2 0 SO-DIMM DDR333 1GB ELPIDA EBD11UD8ADDA Acer P/N KN.5120H.001 KN.1GB09.002 SPEAKER SET ZL1A SPEAKER ASSY S.P. 23. - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 105
M2.5X5.0-I-NI-NYLOK S/P ET2S SCREW MM2.0X2.5 SPARE PART ZG1S I2*3M-NIHY (M2L3) S/P ZL1A SCREW (M1.7*3.1-I (BK) S.P. ET2S SCREW MM3.0X3.5 SPARE PART Acer P/N 86.A03V7.006 86.T23V7.006 86.A08V7.004 86.T23V7.010 86.A03V7.007 86.T25V7.008 86.T50V7.001 86.A03V7.011 99 - Acer TravelMate 4020 | TravelMate 4020 Service Guide - Page 106
100 Chapter 6