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Acer 2420 Service Manual

Acer laptop user manual
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See also: Service Manual , User Manual
Aspire 3620/TravelMate 2420 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

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Summary of Contents for Acer 2420

  • Page 1 Aspire 3620/TravelMate 2420 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...

  • Page 2: Revision History

    Revision History Please refer to the table below for the updates made on Aspire 3620/TravelMate 2420 service guide. Date 2006/01/13 Chapter 1 Chapter ® Add Intel Pentium cache, 1.73GHz, 533 MHz FSB) to page 1. Updates ® M 730/740 Processor (2 MB L2...
  • Page 3 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 language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated.
  • Page 4 Conventions The following conventions are used in this manual: SCREEN MESSAGES NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions.
  • Page 5 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

  • Page 7: Table Of Contents

    Acer Empowering Technology ......... .20 Acer eDataSecurity Management ........20 Acer eLock Management .
  • Page 8 Bottom View ........... .84 Chapter 6 FRU (Field Replaceable Unit) List Aspire 3620/TravelMate 2420 Exploded Diagram ......86...

  • Page 9: System Specifications

    910GML+ICH6M Two DIMM slots support 128MB to 2GB system memory Display and graphics 14.1” WXGA color TFT LCD, 1280 x 800 pixel resolution, supporting simultaneous multi-window viewing on dual display via Acer DridVista 16.7 million colors ® Intel GMA 900 integrated 3D graphics, with up to 128 MB of VRAM, supporting Microsoft ®...
  • Page 10 WPAN: integrated Bluetooth Human-centric design and ergonomics Rugged, yet extremely portable design Stylish appearance Full-size keyboard with four programmable launch keys Ergonomically-centered touchpad pointing device Internet 4-way scroll button I/O Ports Three USB 2.0 ports PC Card slot (one type II) External display (VGA) port Headphones/speaker/line-out jack with S/PDIF Microphone-in jack...

  • Page 11: System Block Diagram

    System Block Diagram CLK GEN. IDT CV125 DDR II 400MHz 400 MHz 11,12 DDR II 400MHz 400 MHz 11,12 Line In ACLINK Codec ALC655 Int. MIC In OP AMP Line Out G1421B INT.SPKR MODEM MDC Card PCB Layer Stackup L1: Signal 1 L2:VCC L3: Signal 2 L4: Signal 3...

  • Page 12: Board Layout

    Board Layout Top View Switch LEDB1 LED Board Cable Connector Keyboard Connector TPAD1 Touchpad Cable Connector LCD1 LCD Cable Connector LAUNCH1 Launch Board Cable Connector BLUE1 Bluetooth Cable Connector LAN Connector: RTL8100CL RTC1 RTC Battery Connector Keyboard Controller: ENE CB- 1410QF SPKR1 Speaker Set Cable Connector...

  • Page 13: Bottom View

    Bottom View NOTE: This is engineering sample. The image above may not be exactly the same as the real main board you get. USB2 USB port USB3 USB port USB4 USB port LAN1 RJ11+RJ45 (Modem Port+ Ethernet Port) MDCW Modem Cable Connector CRT1 External Display Port Modem Board Connector...

  • Page 14: Jumper Settings

    Jumper Settings Pin1-Pin8 Pin2-Pin7 Pin3-Pin6 Pin4-Pin5 Description Clear Password No Function No Function No Function Chapter 1...

  • Page 15: Your Acer Notebook Tour

    Your Acer Notebook tour After knowing your computer features, let us show you around your new TravelMate computer. Aspire 3620 front View Chapter 1...

  • Page 16: Travelmate 2420 Front View

    TravelMate 2420 front view Icon Item Display screen Also called LCD (liquid-crystal display), displays computer output. Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer’s functions and components. Keyboard For entering data into your computer.

  • Page 17: Closed Front View

    Closed Front View Icon Bluetooth communication button/ indicator Icon Item Wireless communication button/ Icon Item indicator Speakers Line-in jack Microphone-in jack Headphones/ speakers/line-out jack with S/PDIF support Battery indicator Power indicator Latch Chapter 1 "Easy-launch buttons" on page 18 "Easy-launch buttons" on page 18 Item Description Press to enable/disable Bluetooth...

  • Page 18: Left View

    Left View Icon Right View Icon Item Kensington lock slot Connects to a Kensington-compatible computer security lock. Optical drive Internal optical drive; accepts CDs or DVDs. Optical disk access Lights up when the optical drive is active. indicator Optical drive eject Ejects the optical disk from the drive.

  • Page 19: Rear Panel

    Rear Panel Icon Bottom Panel Item Battery lock Cooling fan Chapter 1 Ethernet (RJ-45) Connects to an Ethernet 10/100/1000- based network. Item DC-in jack Connects to an AC adapter. External display Connects to a display device(e.g., (VGA) port external monitor, LCD projector). Battery Powers the computer Description...

  • Page 20: Indicators

    The computer has four easy-to-read status indicators on the upper-right above the keyboard, and four on the front panel. Aspire 3620: TravelMate 2420: The power, battery and wireless communication status indicators are visible even when the LCD display is closed.

  • Page 21: Easy-Launch Buttons

    Web browser, Empowering Key “ Press “ “ to run the Acer Empowering Technology. The mail and Web browser buttons are pre-set to email and Internet programs, but can be reset by users. To set the Web browser, mail and programmable buttons, run the Acer Launch Manager.

  • Page 22: Touchpad Basics

    Launch key Web browser Mail Touchpad Basics The following teaches you how to use the touchpad: Aspire 3620: TravelMate 2420: Default application User-programmable User-programmable Acer Empowering Technology (user-programmable) Internet browser (user-programmable) Email application (user-programmable) Chapter 1...
  • Page 23 Move your finger across the touchpad (2) to move the cursor. Press the left (1) and right (4) buttons located beneath the touchpad to perform selection and execution functions. These two buttons are similar to the left and right buttons on a mouse. Tapping on the touchpad is the same as clicking the left button.

  • Page 24: Using The Keyboard

    Lock Keys and embedded numeric keypad The keyboard has three lock keys which you can toggle on and off. Aspire 3620: TravelMate 2420: Lock Key Caps Lock When Caps Lock is on, all alphabetic characters typed are in uppercase.

  • Page 25: Windows Keys

    The computer employs hotkeys or key combinations to access most of the computer’s controls like sreen brightness, volume output and the BIOS utility. To activate hot keys, press and hold the <Fn> key before pressing the other key in the hotkey combination. Aspire 3620: TravelMate 2420: Chapter 1 Num Lock On Num Lock Off Type the letters in a normal manner.
  • Page 26 Fn-F8 Fn-w Fn-y Fn-x Function Hot key help Displays help on hot keys. Acer eSetting Launches the Acer eSettings in Acer eManager. Acer Launches the Acer ePowerManagement in Acer ePowerManagement eManager. Sleep Puts the computer in Sleep mode. Display toggle Switches display output between the display screen, external monitor (if connected) and both.

  • Page 27: Special Key

    You can locate the Euro symbol and US dollar sign at the upper-center and/or bottom-right of your keyboard. To type: Aspire 3620: TravelMate 2420: The Euro symbol Open a text editor or word processor. Either directly press the <Euro> symbol at the bottom-right of the keyboard, or hold <Alt Gr> and then press the<5>...

  • Page 28: Acer Empowering Technology

    Help function. Acer eDataSecurity Management Acer eDataSecurity Management is handy file encryption utility that protexts your files from being accessed by unauthorized persons. It is conveniently integrated with Windows explorer as a shell extension for quick and >...
  • Page 29 easy data encryption/decryption and also supports on-the-fly file encryption for MSN Messager and Microsoft Outlook. There are two passwords that can be used to encrypt/decrypt a file; the supervisor passowrd and the file- specific password. The supervisor passwork is a “master” password that cna decrypt any file on your system; the file-specific password will be used to encrypt files by default, or you cna choose to enter your own file- specific password when encrypting a file.

  • Page 30: Acer Elock Management

    Floppy disk drives - 3.5-inch disks only. To activate Acer eLock Management, a password must be set first. Once set, you may apply lock to any of the three kinds of devices. Lock(s) will immediately be set without any reboot necessary, and will remain locked after rebooting, until unlocked.

  • Page 31: Acer Eperformance Management

    Acer ePerformance Management Acer ePerformance Management is a system optimization tool that boosts the performance of your Acer notebook. It provides you with the following options to enhance overall system performance: Memory optimization - releases unused memory and check usage.

  • Page 32: Acer Erecovery Management

    Acer eRecovery Management Acer eRecovery Management is a powerful utility that does away with the need for recovery disks provided by the manufacturer. The Acer eRecovery Management utility occupies space in a hidden partition on your system’s HDD. User-created backups are stored on D:\ drive. Acer eRecovery Management provides you with: Password protection.

  • Page 33: Acer Esettings Management

    NOTE: If your computer did not come with a Recovery CD or System CD, please use Acer eRecovery Management’s “System backup to optical disk” feature to burn a backup image to CD or DVD. To ensure the best results when recovering your system using a CD or Acer eRecovery Management, detach all peripherals (except the external Acer ODD, if your computer has one), including your Acer ezDock.

  • Page 34: Acer Epower Management

    Acer ePower Management Acer ePower Management features a straightforward user interface. To launch it, select Acer ePower Management from the Empowering Technology interface, or double-click the Acer ePower Management icon in the task tray. Acer Mode The default setting is “Maximum Performance.” You can adjust CPU speed, LCD brightness and other settings, or click on buttons to turn the following functions on/off: Wireless LAN, Bluetooth, CardBus, Memory Card, Audio, and Wired LAN.
  • Page 35 You can also click “Advanced Settings” to: Set alarms. Re-load factory defaults. Select what actions will be taken when the cover is closed, and set passwords for accessing the system after Hibernation or Standby. View information about Acer ePower Management. Chapter 1...
  • Page 36 Acer ePresentation Management Acer ePresentation Management lets you select from two of the most common projector resolutions: XGA and SVGA. Chapter 1...

  • Page 37: Hardware Specifications And Configurations

    Hardware Specifications and Configurations Processor Item CPU type Core logic CPU package CPU core voltage BIOS Item BIOS vendor BIOS Version BIOS ROM type BIOS ROM size BIOS package Supported protocols BIOS password control Second Level Cache Item Cache controller Cache size 1st level cache control 2st level cache control...
  • Page 38 Memory Combinations Slot 1 128MB 128MB 128MB 128MB 256MB 256MB 256MB 256MB 512MB 512MB 512MB 512MB 1024MB 1024MB 1024MB 1024MB 1024MB NOTE: Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be reversed.
  • Page 39 Bluetooth Interface Item Data throughput Protocol Interface Connector type Wireless Module 802.11b/g (optional device) Item Chipset Data throughput Protocol Interface Hard Disk Drive Interface Item Vendor & Seagate 40G ST9402112A Model Name Toshiba MK4025GAS Hitachi HTS421240H9AT00 WD WD400UE-22HCT0 Samsung M40MP0402H Capacity (MB) 40000 Bytes per...
  • Page 40 Combo Drive Interface Item Vendor & model name Performance Specification Transfer rate (KB/sec) Buffer Memory Interface Applicable disc format Loading mechanism Power Requirement Input Voltage DVD-Dual Interface Item Vendor & model name Performance Specification Transfer rate (KB/sec) Buffer Memory Interface Applicable disc format Loading mechanism Power Requirement...
  • Page 41 Audio Interface Item Mono or Stereo Resolution Compatibility Mixed sound source Voice channel Sampling rate Internal microphone Internal speaker / Quantity Video Interface Item Chipset Package Interface Supports ZV (Zoomed Video) port Video Memory Item Chipset Memory size Interface USB Port Item Chipset USB Compliancy Level...
  • Page 42 System Board Major Chips Item Core logic USB 2.0 Super I/O controller MODEM Bluetooth Wireless 802.11 b+g PCMCIA Audio Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor & model name Battery Type Pack capacity Number of battery cell...
  • Page 43 LCD 14.1” inch Item Vendor & model name Screen Diagonal (mm) Active Area (mm) Display resolution (pixels) Pixel Pitch Pixel Arrangement Display Mode Typical White Luminance (cd/m also called Brightness Luminance Uniformity Contrast Ratio Response Time (Optical Rise Time/Fall Time)msec Nominal Input Voltage VDD Typical Power Consumption (watt) Weight...
  • Page 44 AC Adaptor Item Maximum input AC current Inrush current Efficiency System Power Management ACPI mode Mech. Off (G3) Soft Off (G2/S5) Working (G0/S0) Suspend to RAM (S3) Save to Disk (S4) Specification 1.7A 220A@115VAC 220A@230VAC 82% min. @115VAC input full load Power Management All devices in the system are turned off completely.

  • Page 45: System Utilities

    ATAPI Serial Number : System BIOS Ver: V0.05 1227 VGA BIOS Ver 01.00 KBC Ver xxxxxxxxxxxxxxxxxxxxxx Serial Number Asset Tag Number Produce Name Aspire 3620/TravelMate 2420 Manufacturer Name: Acer xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx UUID: Help ↑ ↓ Select Item ← → Exit Select Menu Chapter 2 during POST (when “Press <F2>...

  • Page 46: Navigating The Bios Utility

    Navigating the BIOS Utility There are six menu options: Info., Main, System Devices, Security, Boot, and Exit. Follow these instructions: To choose a menu, use the cursor left/right keys (zx). To choose a parameter, use the cursor up/down keys ( wy). To change the value of a parameter, press por q.

  • Page 47: Information

    ATAPI Serial Number : System BIOS Ver: V0.05 1227 VGA BIOS Ver 01.00 KBC Ver xxxxxxxxxxxxxxxxxxxxxx Serial Number Asset Tag Number Produce Name Aspire 3620/TravelMate 2420 Manufacturer Name: Acer xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx UUID: Help Select Item ↑ ↓ ← → Exit Select Menu NOTE: The system information is subject to different models.

  • Page 48: Main

    Main The Main screen displays a summary of your computer hardware information, and also includes basic setup parameters. It allows the user to specify standard IBM PC AT system parameters. Information Main System Time: System Date: System Memory: Extended Memory: Video Memory Quiet Boot: Power on display:...
  • Page 49 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter System Time Sets the system time. The hours are displayed with 24-hour format. System Date Sets the system date. System Memory This field reports the memory size of the system.

  • Page 50: Security

    Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. Information Main User Password is : Supervisor Password is : Set User Password Set Supervisor Password Primary HardDisk Security Password on Boot Help Select Item ↑...

  • Page 51: Setting A Password

    The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter User Password is Supervisor Password is Set User Password Set Supervisor Password Primary HardDisk Security Password on Boot NOTE: When you are prompted to enter a password, you have three tries before the system halts. Don’t forget your password.

  • Page 52: Changing A Password

    Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Password box appears: Type the current password in the Enter Current Password field and press e. Press e twice without typing anything in the Enter New Password and Confirm New Password fields. The computer then sets the Supervisor Password parameter to “Clear”.
  • Page 53 If the new password and confirm new password strings do not match, the screen will display the following message. Chapter 2...

  • Page 54: Boot

    Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the distette drive in module bay, the onboard hard disk drive and the CD-ROM in module bay. Information Main +Hard Drive Floppy Devices CD-ROM/DVD Drive...

  • Page 55: Exit

    Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. Information Main Exit Saving Changes Exit Disarding Changes Load Setup Defaults Discard Changes Save Changes Help ↑ ↓ Select Item ← → Exit Select Menu The table below describes the parameters in this screen.

  • Page 56: Bios Flash Utility

    BIOS Flash Utility The BIOS flash memory update is required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Phlash utility to update the system BIOS flash ROM. NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery Diskette before you use the Phlash utility.

  • Page 57: Machine Disassembly And Replacement

    Machine Disassembly and Replacement This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. To disassemble the computer, you need the following tools: Wrist grounding strap and conductive mat for preventing electrostatic discharge Small Philips screw driver Philips screwdriver Plastic flat head screw driver Tweezers...

  • Page 58: General Information

    General Information Before You Begin Before proceeding with the disassembly procedure, make sure that you do the following: Turn off the power to the system and all peripherals. Unplug the AC adapter and all power and signal cables from the system. Remove the battery pack.

  • Page 59: Disassembly Procedure Flowchart

    Disassembly Procedure Flowchart The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and 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.
  • Page 60 LCD Panel Screw List Item Description SCW HEX NYL I#R-40/O#4-40 L5.5 SCREW MACH WAFER M2*L4 NI CPU SCREW M2.5*4.3L (2.3 KG) CPU SCREW M2.5*4.3L (1.55 KG) SCREW M2.5-6 SCRW M2.5*L8(NON NYLOK) SCREW M2*3 NYLON 1JMCPC-420325 SCREW SCREW M2.5*4L(NYLOCK)BLACK ZN SCREW M2.5X6 SRW M2.5*8L B/ZN NYLOK 700 SCRW M2.5*L3(NON NYLOK) SCREW M3x4(86.9A524.4R0)

  • Page 61: Removing The Battery Pack

    Removing the Battery Pack Unlock the battery lock. Slide the battery latch then remove the battery. Chapter 3...

  • Page 62: Removing The Wireless Lan Card/The Hdd Module/The Memory/The Odd Module And The Lcd Module

    Removing the Wireless LAN Card/the HDD Module/the Memory/the ODD Module and the LCD Module Removing the Memory and the HDD Module Remove the five screws fastening the DIMM cover. Detach the DIMM cover carefully. Pop out the memory carefully. Disconnect wireless main and auxiliary antenna from the wireless LAN card. Pop out the wireless LAN card and remove it.

  • Page 63: Removing The Odd Module

    Removing the ODD Module First, remove the screw fastening the ODD module as shown. Push the ODD module outwards then remove it. Removing the LCD Module Detach the middle cover from the main uiit carefully. Disconnect the launch board FFC from the launch board. Remove the middle cover (with launch board and microphone) from the main unit.
  • Page 64 Take out the microphone from the middle cover. Remove the two screws fastening the launch board. Then remove the launch board from the middle cover. Remove the screw holding the keyboard. Turn over the keyboard as shown. 10. Disconnect the keyboard cable. 11.
  • Page 65 16. Remove two screws fastening the LCD hinges. 17. Then detach the LCD module from the main unit. Chapter 3...

  • Page 66: Disassembling The Main Unit

    Disassembling the Main Unit Separate the Main Unit Into the Upper and the Lower Case Assembly Disconnect the touchpad cable and the LED FFC from the main board. Remove the 15 screws on the bottom as shown. Detach the upper case assembly from the lower case assembly carefully. Disassembling the Lower Case Assembly Turn over the lower case assembly to the bottom side, then disconnect the fan cable.
  • Page 67 11. Remove the two screws holding the speaker set. 12. Take out the speaker set from the lower case. 13. Remove the three screws fastening the system fan. 14. Detach the fan from the lower case. 15. Disconnect the RTC battery cable then detach the RTC battery. 16.

  • Page 68: Disassembling The Upper Case Assembly

    20. Remove the five screws fastening the heatsink. 21. Remove the heatsink from the main board. 22. Use a flat-headed screwdriver to release the CPU socket lock. 23. Remove the CPU from the CPU socket carefully. Disassembling the Upper Case Assembly Remove the two screws fastening the LED board.
  • Page 69 Remove the four screws fastening the touchpad bracket. Remove the touchpad bracket (with touchpad). Detach the touchpad from the touchpad bracke.t Chapter 3...

  • Page 70: Disassembling The Lcd Module

    Disassembling the LCD Module Remove the four screw caps as shown. Remove the four screws holding the LCD bezel. Then detach the LCD bezel from the LCD module. Remove the two screws fastening the LCD inverter. Take out the LCD inverter from the LCD cover, then disconnect the LCD cable from the inverter. Remove the two screws holding the LCD to the LCD panel.
  • Page 71 13. Tear off the tape fastening the LCD cable. 14. Disconnect the LCD cable from the LCD. 15. Tear off another tape holding the LCD cable. 16. Remove the four screws fastening the LCD right bracket. 17. Remove the right bracket from the LCD. 18.

  • Page 72: Disassembling The External Modules

    Disassembling the External Modules Disassembling the HDD Module Remove the four screws fastening the HDD bracket. Remove the HDD bracket. Disassembling the ODD Module Remove the two screws holding the ODD fix holder bracket. Then remove the ODD fix holder bracket. Reove the two screws fastening the ODD rail bracket then remove the rail bracket.

  • Page 73: Troubleshooting

    Troubleshooting 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. Obtain the failing symptoms in as much detail as possible.

  • Page 74: System Check Procedures

    System Check Procedures External Diskette Drive Check Do 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.

  • Page 75: Memory Check

    If any of these devices do not work, reconnect the cable connector and repeat the failing operation. Memory check Memory errors might stop system operations, show error messages on the screen, or hang the system. Boot from the diagnostics diskette and start the doagmpstotics program (please refer to main board. Go to the diagnostic memory in the test items.

  • Page 76: Check The Power Adapter

    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 figure If the voltage is not correct, replace the power adapter. If the voltage is within the range, do the following: Replace the System board.

  • Page 77: Touchpad Check

    Check the Battery Pack To check the battery pack, do the following: From Software: Check out the Power Management in control Panel In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total Battery Power Remaining are correct.

  • Page 78: Power-On Self-Test (Post) Error Message

    Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most likely cause is listed first. NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in the computer.

  • Page 79: Index Of Error Messages

    Index of Error Messages Error Code List Error Codes <No error code> <No error code> Error Message List Error Messages Failure Fixed Disk Stuck Key Keyboard error Keyboard Controller Failed Keyboard locked - Unlock key switch Monitor type does not match CMOS - Run Setup Run “Load Default Settings” in BIOS Setup Utility. Shadow RAM Failed at offset: nnnn System RAM Failed at offset: nnnn Extended RAM Failed at offset: nnnn...
  • Page 80 Error Message List Error Messages Real time clock error Previous boot incomplete - Default configuration used Memory size found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - run SETUP System cache error - Cache disabled CPU ID: DMA Test Failed Software NMI Failed...
  • Page 81 Error Message List No beep Error Messages No beep, power-on indicator turns off and LCD is blank. No beep, power-on indicator turns on and LCD is blank. No beep, power-on indicator turns on and LCD is blank. But you can see POST on an external CRT.

  • Page 82: Phoenix Bios Beep Codes

    Phoenix BIOS Beep Codes Code Beeps Verify Real Mode Disable Non-Maskable Interrupt (NMI) Get CPU type Initialize system hardware Initialize chipset with initial POST values Set IN POST flag Initialize CPU registers Enable CPU cache Initialize caches to initial POST values Initialize I/O component Initialize the local bus IDE Initialize Power Management...
  • Page 83 Code Chapter 4 Beeps 2-1-2-3 Check ROM copyright notice Check video configuration against CMOS Initialize PCI bus and devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled...
  • Page 84 Code Beeps Initialize floppy controller Determine number of ATA drives (optional) Initialize hard-disk controllers Initialize local-bus hard-disk controllers Jump to UserPatch2 Build MPTABLE for multi-processor boards Install CD ROM for boot Clear huge ES segment register Fixup Multi Processor table Search for option ROMs.
  • Page 85 Code Code Chapter 4 Beeps Unknown interrupt Beeps Initialize the chipset Initialize the bridge Initialize the CPU Initialize the system timer Initialize 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...

  • Page 86: Index Of Symptom-To-Fru Error Message

    Index of Symptom-to-FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed.
  • Page 87 Power-Related Symptoms Symptom / Error Battery can’t be charged PCMCIA-Related Symptoms Symptom / Error System cannot detect the PC Card (PCMCIA) PCMCIA slot pin is damaged. Memory-Related Symptoms Symptom / Error Memory count (size) appears different from actual size. Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound comes from the computer.
  • Page 88 Power Management-Related Symptoms Symptom / Error Battery fuel gauge in Windows doesn’t go higher than 90%. System hangs intermittently. Peripheral-Related Symptoms Symptom / Error System configuration does not match the installed devices. External display does not work correctly. USB does not work correctly Print problems.

  • Page 89: Intermittent Problems

    Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing 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: Run the advanced diagnostic test for the system board in loop mode at least 10 times.

  • Page 90: Undetermined Problems

    System Check” on page 67.): Power-off the computer. Visually check them for damage. If any problems are found, replace the FRU. Remove or disconnect all of the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive...

  • Page 91: Jumper And Connector Locations

    Jumper and Connector Locations Top View Switch LEDB1 LED Board Cable Connector Keyboard Connector TPAD1 Touchpad Cable Connector LCD1 LCD Cable Connector LAUNCH1 Launch Board Cable Connector Chapter 5 BLUE1 Bluetooth Cable Connector LAN Connector: RTL8100CL RTC1 RTC Battery Connector Keyboard Controller: ENE CB- 1410QF SPKR1...

  • Page 92: Bottom View

    Bottom View NOTE: This is engineering sample. The image above may not be exactly the same as the real main board you get. USB2 USB port USB3 USB port USB4 USB port LAN1 RJ11+RJ45 (Modem Port+ Ethernet Port) MDCW Modem Cable Connector CRT1 External Display Port Modem Board Connector...

  • Page 93: Fru (Field Replaceable Unit) List

    Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines.

  • Page 94: Aspire 3620/Travelmate 2420 Exploded Diagram

    Aspire 3620/TravelMate 2420 Exploded Diagram Aspire 3620/TravelMate 2420 FRU List Category Adapter Battery Boards Part Name and Description ADAPTER 65W DELTA SADP-65KB ADAPTER 65W LITEON PA-1650- 02WR ADAPTER 65W LISHIN SLS0335A19A54LF BATTERY PACK LI 6CELL 2.0MAH SANYO BATTERY PACK LI+ 6CELL 2.0MAH SONY BATTERY PACK LI 6CELL 2.0MAH...
  • Page 95 POWER CORD 7A 125V 2PIN JAPEN POWER CORD 10A 3PIN BK POWER CORD 10A 250V 3PIN ITALY POWER CORD 10A 250V 3PIN BK SOUTH AFRICA POWER CORD 10A 250V SWISS POWER CORD 2.5A 250V AUSTRALIA Acer Part No. 54.TB2V1.001 50.TB2V1.005 50.TB2V1.003 50.TB2V1.001 50.TB2V1.002 50.TB2V1.004 27.01518.781 27.01518.591...
  • Page 96 POWER CORD 2.5A 250V SOUTH AFRICA BK POWER CODE 7A 125V JAPAN 2PIN LOWERCASE W/SPEAKER SPEAKER MIDDLE COVER MIDDLE COVER (TM) MINI CARD COVER DIMM COVER HDD COVER Acer Part No. 27.01518.631 27.03518.161 60.TB2V1.001 23.TB2V1.001 60.AA6V1.003 60.TB2V1.003 42.TB2V1.001 42.TB2V1.002 Chapter 6...
  • Page 97 OPTICAL BEZEL GBASE FOR COMBO COMBO MODULE 24X HLDS GCC- 4244N LF 1.00AB W/O BEZEL COMBO MODULE 24X LITEON SOSC-2485K W/O BEZEL CPU CEL-M370 1.5GMHZ INTEL CPU DOTHAN730 1.6GMHZ INTEL Acer Part No. 33.TB2V1.001 60.AA6V1.002 60.TB2V1.002 6M.TB2V1.001 33.TB2V1.002 33.TB2V1.003 42.TB2V1.003 KO.0240A.005...
  • Page 98 DVD-RW DRIVE 8X DUAL LITEON SOSW-833S W/O BEZEL DUAL PIO/DVR-K16RA AG1 NOBZ DUAL PAN/UJ-850 AG1 NOBZL LF DUAL HLD/GWA-4082N MORAR GCP03 S-MUTI PAN/UJ-850 AG1 NOBZL LF FAN SUNON AG1 HDD MODULE 40G Acer Part No. KC.N0001.740 KC.NA001.725 KC.NC001.370 KC.NV001.380 KC.NV001.390 KC.NV001.360 6M.TB2V1.002 33.TB2V1.002 33.TB2V1.003...
  • Page 99 HDD 100G TOSHIBA MK1031GAS HDD 100G HITACHI HTS421210H9AT00 HDD 100G SEAGATE ST9100824A HDD 100G SATA SAMSUNG HM100JI HDD MODULE 120G HDD BRACKET HDD 120G SEAGATE ST9120824A HDD 120G SEAGATE ST9120821A Acer Part No. 33.TB2V1.004 KH.04001.014 KH.04004.005 KH.04007.013 KH.04008.025 KH.0400B.003 33.TB2V1.004 KH.06001.004 KH.06001.003 KH.06004.004...
  • Page 100 KEYBOARD 88KEY DARFON NSK- H3M0R RUSSIAN KEYBOARD 89KEY DARFON NSK- H3M0S SP KEYBOARD 89KEY DARFON NSK- H3M0T TURKISH KEYBOARD 89KEY DARFON NSK- H3M0U UK KEYBOARD 89KEY DARFON NSK- H3M0W SWEDEN Acer Part No. 34.TB2V1.001 KB.A2707.011 KB.A2707.002 KB.A2707.004 KB.A2707.012 KB.A2707.013 KB.A2707.016 KB.A2707.019 KB.A2707.009 KB.A2707.010...
  • Page 101 KEYBOARD 89KEY DARFON NSK- AEK0U UK KEYBOARD 89KEY DARFON NSK- AEK0W SWEDEN KEYBOARD 89KEY DARFON NSK- AEK1A BELGIUM KEYBOARD 89KEY DARFON NSK- AEK1B BR KEYBOARD DARFON NSK-N7082 US-INTERNATIONAL Acer Part No. KB.A2707.014 KB.A2707.005 KB.A2707.001 KB.T5007.011 KB.T5007.002 KB.T5007.004 KB.T5007.012 KB.T5007.013 KB.T5007.016 KB.T5007.019...
  • Page 102 LCD/INVERTER CABLE 14.1" WXGA LCD BRACKET RIGHT Note: Right bracket is the upper one. LCD BRACKET LEFT Note: Left bracket is the lower one LCD PANEL 14.1" W/HINGE LCD BEZEL 14.1" W/LOGO Acer Part No. KB.T5007.026 6M.TB2V1.011 19.A46V1.003 25.TB2V1.001 50.TB2V1.006 33.TB1V1.003 33.TB1V1.004...
  • Page 103 LCD 14.1" WXGA AU B141EW01 V.0 GLARE TYPE LCD 14.1" WXGA SAMSUNG LTN141W1-L01 GLARE LCD 14.1" WXGA LG LP141WX1- TL03 GLARE MAINBOARD AG1910 W/O CPU W/ PCMCIA SLOT & RTC BATTERY Acer Part No. 6K.TB2V1.001 LK.14105.013 LK.14106.004 LK.14108.002 LK.14109.004 LK.1410D.004 6M.TB2V1.012 19.A46V1.003...
  • Page 104 SDIMM 512M HYNIX HYMP564S64P6-C4 LCD SCREW RUBBER LCD RUBBER CUSHION LCD SCREW RUBBER NAME PLATE NAME PLlATE (TM) SCW HEX NYL I#R-40/O#4-40 L5.5 SCRW MACH WAFER M2.5*L3 ZN S Acer Part No. 23.TB2V1.004 22.TB2V1.001 KN.25602.023 KN.25603.029 KN.25604.027 KN.2560B.017 KN.2560G.006 KN.51202.021 KN.51203.023...
  • Page 105 SCRW M2.5*5 WAFER B-ZN SCRW MAC WAFER M2*L2.5 ZN S_NO SCREW M3x4 (86.9A524.4R0) SCREW M2 X L8 (DIA 6MM) SCREW WAFER NYLOK NI 2ML3 SCRW M2.5*3 WAFER NI SCREW NYLOK M2.5-5 MICROPHONE Acer Part No. 86.00C31.220 86.00C34.620 86.5A353.120 86.9A323.4R0 86.9A352.4R0 86.9A353.4R0 86.9A353.5R0 86.9A452.2R5 86.9A524.4R0...
  • Page 106 Chapter 6...
  • Page 107 AFLASH Utility 48 Audio 32 Battery Pack 53 BIOS 29 package 29 password control 29 ROM size 29 ROM type 29 vendor 29 Version 29 BIOS Supports protocol 29 BIOS Utility 37 Navigating 38 Onboard Device Configuration 43 Security 41, 42 System Security 47 Board Layout Bottom View 5...
  • Page 108 Second Level Cache 29 System Block Diagram 3 System Check Procedures 66 System Memory 29 System Utilities 37 Top 83 Touchpad Check 69 Troubleshooting 65 Undetermined Problems 82 USB 33 utility BIOS 37 Video 33 Index...

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