Acer Aspire 1620 Series Service Manual

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Summary of Contents:

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Aspire 1620 Series Service Guide PRINTED IN TAIWAN ...

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II Revision History Please refer to the table below for the updates made on Aspire 1620 service guide. Date Chapter Updates 2004/04/28 Chapter 4 Add POST Code ...

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III Copyright Copyright © 2004 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 o...

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IV Conventions The following conventions are used in this manual: Screen messages Denotes actual messages that appear on screen. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage th...

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V Preface Before using this information and the product it 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 "global&q...

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VI ...

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VII Chapter 1 System Introduction 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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VIII Removing the RTC Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Removing the Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Removing the Thermal...

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IX Appendix C Online Support Information 122 Index 124 ...

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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 ® Pentium ® 4 Processor 2.80 Ghz and above T Intel ® Hyper-Threading TM Technology T 256/512MB of DDR333 SDRAM...

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2 Aspire 1620 Human-centric design T Rugged, yet extremely portable, construction T Stylish appearance T Full-size keyboard with four programmable launch keys T Comfortable palm rest area with well-positioned touchpad I/O Ports T Two Type II or one T...

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Chapter 1 3 System Block Diagram A A B B C C D D E E 4 4 3 3 2 2 1 1 DDR*2 ATI IXP150 LPC BUS PCI BUS ATI RC300M CLK GEN. ICS951402AGT FSB 400/533/800MHz ALIK I/F 66MHz KBC M38857 PC87392 NS SIO DEBUG CONN. LPC 3 4, 5 6,7,8,9,10 11,12 16,17,18,19 32 ...

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4 Aspire 1620 Board Layout Top View 1 Line-in Port 15 CPU Socket 2 Line-out Port 16 North Bridge 3 RJ45+RJ11 17 Fan Connector 4 LCD Inverter Cable Connector 18 Second Fan Connector 5 USB Port 19 Touchpad Cable Connector 6 USB Port 20 HDD Connector 7...

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Chapter 1 5 Bottom View 1 Wireless LAN Card Connector 5 FIR Port 2 Modem Board Connector 6 DIMM Socket 1 3 Modem Cable Connector 7 DIMM Socket 2 4 IEEE 1394 Port 8 ...

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6 Aspire 1620 Panel Ports allow you to connect peripheral devices to your computer as you would with a desktop PC. Front View # Item Description 1 Display screen Also called LCD (Liquid Crystal Display), displays computer output. 2 Status indicators...

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Chapter 1 7 Left view # Icon Item/ Port Description 1 PC Card slots Supports two Type II or one Type III CardBus PC Card(s). 2 Eject button Eject PC cards from the card slots. 3 Optical drive Internal optical drive; accepts CDs or DVDs depending on...

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8 Aspire 1620 Right View # Item/ Port Description 1 Speaker Delivers stereo audio output. 2 Ventilation slots Enable the computer to stay cool, even after prolonged use. 3 Security keylock Connects to a Kensington-compatible computer security lock....

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Chapter 1 9 Rear Panel l # Icon Port Description 1 Power Jack Connects to an AC adapter 2 Parallel port Connects to a parallel device (e.g., parallel printer) 3 Ventilation slots Enable the computer to stay cool, even after prolonged use. 4 S-vid...

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10 Aspire 1620 Bottom View # Item Description 1 Battery bay Houses the computer’s battery pack. 2 Battery release latch Unlatches the battery to remove the battery pack. 3 Memory compartment Houses the computer’s main memory. ...

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Chapter 1 11 Indicators The computer provides an array of seven indicators located below the display screen, showing the status of the computer and its components. The Power and Sleep status icons are visible even when you close the display cover so...

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12 Aspire 1620 Understanding the icons When the cover of your computer is closed, 2 easy-to-read icons are shown, indicating which state or feature is enabled or disabled. # Icon Function Description 1 Power Lights up when the computer is on. 2 Slee...

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Chapter 1 13 Keyboard The keyboard has full-sized keys and an embedded keypad, separate cursor keys, two Windows keys and twelve function keys. Special keys Lock keys The keyboard has three lock keys which you can toggle on and off. Lock key Descri...

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14 Aspire 1620 Embedded numeric keypad The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters located on the upper right corner of the keycaps. To simplify the keyboard legend, cursor-control key sym...

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Chapter 1 15 Windows keys The keyboard has two keys that perform Windows-specific functions. Keys Description Windows logo key Start button. Combinations with this key perform shortcut functions. Below are a few examples: + Tab (Activates next task...

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16 Aspire 1620 Hot Keys The computer employs hot keys or key combinations to access most of the computer’s controls like screen contrast and brightness, volume output and the BIOS Utility. To activate hot keys, press and hold the Fn key before pre...

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Chapter 1 17 The Euro symbol If your keyboard layout is set to United States-International or United Kingdom or if you have a keyboard with a European layout, you can type the Euro symbol on your keyboard. NOTE: for US keyboard users: The keyboard l...

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18 Aspire 1620 Launch Keys Located at the top of the keyboard are six buttons. These buttons are called lauch keys. They are designated as mail button, Web browser button, P1, P2, Bluetooth and Wireless buttons. The Wireless and Bluetooth buttons ...

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Chapter 1 19 Hardware Specifications and Configurations System Board Major Chips Item Controller System core logic ATI RC300M+ATI IXP150 Super I/O controller NS PC87392 Audio controller Realtek ALC655 Video controller ATI Radeon 9700 Hard disk driv...

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20 Aspire 1620 Above table lists some system memory configurations. You may combine DIMMs with various capacities to form other combinations. System Memory Item Specification Memory controller ATI RC300M Onboard memory size 0MB DIMM socket number ...

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Chapter 1 21 . Supports modem protocol V.90/V.92MDC Modem connector type RJ11 Modem connector location Rear side Hard Disk Drive Interface Item Vendor & Model Name HGST Moraga IC25N030ATMR04 Fujitsu V-40 MHT2030AT Seagate N1 ST93015A HGST Morag...

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22 Aspire 1620 Access time (typ.) QSI- Random: 90 ms Full Stroke: 180 ms Mitsumi- Random: 100 ms Full Stroke: 240 ms Rotation speed 5100 rpm for QSI 5400 rpm for Mitsumi 24X CAV mode Data Buffer Capacity 128 KB (built-in) Interface Compliant to ATA/A...

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Chapter 1 23 Average Full Access time (typ.) Random CAV mode 110 msec typical 150 msec average max Full Stroke CAV mode 200 msec typical 260 msec average max DVD-5: Random 120 msec typical 160 msec average max Full Stroke 270 msec typical 3...

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24 Aspire 1620 Transfer rate (KB/sec) Read Sustained: DVD-ROM MAX 8X CAV (MAX 10800 KB/sec) CD-ROM MAX 24X CAV (MAX 3600 KB/sec) Write: CD-R 4X, 8X (CLV), Max 16X, MAX 24X (ZCLV) CD-RW 4X...

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Chapter 1 25 Disc Diameter 12cm and 8cm Capacity 2048 bytes/sector (DVD) 2048 bytes/block (CD Mode-1 and Mode-2 Form-1) 2336 bytes/block (Mode-2) 2328 bytes/block (Mode-2 Form-2) Operation environment for “write/rewrite” application Host Machine ...

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26 Aspire 1620 Loading mechanism Manual load/DC brushless mortor system Audio Interface Item Specification Audio Controller RTL ALC655 Audio onboard or optional Built-in Mono or Stereo Stereo Resolution 20 bit stereo Digital to Analog converter...

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Chapter 1 27 Video Memory Item Specification Fixed or upgradeable Fixed (on daughter board) Video memory size 64B(128MB optional) LCD Display Resolution Resolution 8 bit (256colors) 16 bits (Hi color) 24 bits (True color) 32 bits (True color) 64...

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28 Aspire 1620 OHCI USB 2.0 Number of USB port 4 5V/500 mA per slot Location Rear side Other Remarks 3 independent OHCI USB1.1 Host Controller and 1 EHCI USN2.0 Host Controller. PCMCIA Port Item Specification PCMCIA controller TZ 1520 Supports...

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Chapter 1 29 Pixel Arrangement R.G.B. Vertical Stripe R.G.B. Vertical Stripe R.G.B. Vertical Stripe Display Mode Normally White Normally White Transmissive mode, Normally White Typical White Luminance (cd/m 2 ) also called Brightness 180 (5 point av...

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30 Aspire 1620 NOTE: Aspire 1620 series does not have 14.1” TFT LCD model, please ignore 14.1” TFT LCD information on Viewing Angle (degree) Horizontal: Right/Left Vertial: Upper/Lower 40/40 20/40 45/45 15/35 45/45 20/40 Temperature Range( C) Op...

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Chapter 1 31 the table. AC Adapter Item Specification Vendor & model name Liton, 135W power supply Input Voltage Low Range 90(min.)/137(max.)/100-127(nominal) High Range 180(min.)/265(max.)200-240(nominal) Input current 2.2A(max) Nominal frequ...

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32 Aspire 1620 Environmental Requirements Item Specification Temperature Operating +5~+35 °C Non-operating -20~+60 °C Humidity Operating 10% to 95% RH, non-condensing without disktte 10% to 80% RH, non-condensing with disktte Non-operating 20% to...

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Chapter 1 33 ...

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Chapter 2 34 BIOS Setup Utility The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/ Output System). Your computer is already properly configured and optimized, and you do not need to run this uti...

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35 Aspire 1620 Navigating the BIOS Utility There are six menu options: Info., Main, System Devices, Security, Boot, and Exit. Follow these instructions: T To choose a menu, use the cursor left/right keys (zx). T To choose a parameter, use the cursor ...

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Chapter 2 36 Information NOTE: The system information is subject to different models. Parameter Description Floppy Disk Drive Shows floppy drive type informaiton. Note: Aspre 1620, Extensa 2700, TravelMate 2500 and Extnesa 2500 series products do no...

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37 Aspire 1620 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. NOTE: The screen above is for reference only....

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Chapter 2 38 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: The sub-items under each device will not be shown if the device control is set to disable or auto. Thi...

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39 Aspire 1620 Advanced The Advanced menu screen contains parameters involving your hardware devices. It also provides advanced settings of the system. The table below describes the parameters in the screen. Settings in boldface are the default and ...

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Chapter 2 40 DMA channel Sets a DMA channel for the printer to operate in ECP mode. This parameter is enabled only if Mode is set to ECP. DMA3/DMA1 Legacy USB Support Enables, disables USB interface devices support. (Enable for use with a non-USB ...

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41 Aspire 1620 Security The Security screen contains parameters that help safeguard and protect your computer from unauthorized use. ...

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Chapter 2 42 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: When you are prompted to enter a password, you have three tries before the system halts. Don’t forge...

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43 Aspire 1620 Removing a Password Follow these steps: 1. Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set Password box appears: 2. Type the current password in the Enter Current Password field and...

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Chapter 2 44 If the current password entered does not match the actual current password, the screen will show you the Setup Warning. If the new password and confirm new password strings do not match, the screen will display the following message. ...

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45 Aspire 1620 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. ...

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Chapter 2 46 Exit The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use. The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setup and save y...

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47 Aspire 1620 BIOS Flash Utility The BIOS flash memory update is required for the following conditions: T New versions of system programs T New features or options T Restore a BIOS when it becomes corrupted. Use the Phlash utility to update the sys...

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Chapter 3 48 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: T Wrist grounding strap and conductive mat for pre...

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49 Chapter 3 General Information 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...

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Chapter 3 50 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...

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51 Chapter 3 Screw List Item Description A SCREW MAC FLAT M2.5*L4 NI NYLOK (86.00123.630) B SCREW M2.0*L10 NYLOK(86.9A352.100) C SCREW M2*3 NYLON 1JMCPC- 420325(86.9A352.3R0) D SCREW M2.5X6(86.9A353.6R0) E SCREW M3x4 (86.9A524.4R0) F SCREW M2X2.0 (...

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Chapter 3 52 Removing the Battery 1. To remove the battery, push the battery release latch. 2. Then slide the battery out from the machine. ...

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53 Chapter 3 Removing the Memory Module 1. See “Removing the Battery” on page 52. 2. To remove the memory module from the machine, first remove the two screws holding the dimm cover. 3. Remove the dimm cover. 4. Pop up the memory. 5. Then remove ...

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Chapter 3 54 Removing the Wireless LAN Board and the Modem Board 1. See “Removing the Battery” on page 52. 2. To remove the wireless LAN board, first remove the two screws holding the modem cover. 3. Remove the modem cover from the machine. 4. D...

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55 Chapter 3 Removing the Hard Disk Drive Module 1. See “Removing the Battery” on page 52. 2. To remove the hard disk drive, pull the hard disk dirve carefully. 3. Then take the hard disk drive out of the main unit. Disassembling the Hard Disk Dr...

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Chapter 3 56 Removing the LCD Module Removing the Middle Cover 1. See “Removing the Battery” on page 52. 2. To remove the middle cover, first use a plastic flat screwdriver to remove the right hinge cap. 3. Remove the screw that secures the middl...

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57 Chapter 3 2. See “Removing the Middle Cover” on page 56. 3. Remove the two screws and then detach the launch board from the middle cover. Removing the LCD Module 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover...

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Chapter 3 58 ...

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59 Chapter 3 Disassembling the LCD Module Removing the LCD Bezel 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Launch Board” on page 56. 4. See “Removing the LCD Module” ...

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Chapter 3 60 NOTE: Please arrange the LCD inverter cable well to the LCD panel as the picture below shows when you reassemble the LCD module. Removing the 15” TFT LCD 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cove...

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61 Chapter 3 Removing the LCD Brackets 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Launch Board” on page 56. 4. See “Removing the LCD Module” on page 57. 5. See “Remo...

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Chapter 3 62 Removing the LCD Hinges 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Launch Board” on page 56. 4. See “Removing the LCD Module” on page 57. 5. See “Removi...

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63 Chapter 3 Disassembling the Main Unit Removing the Keyboard 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. To remove the keyboard, carefully pull the keyboard out and upwards as the pticute show...

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Chapter 3 64 Removing the Thermal Module 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Keyboard” on page 63. 4. See “Removing the Fan” on page 63. 5. Disconnect the fan...

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65 Chapter 3 Installing the Processor 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Keyboard” on page 63. 4. See “Removing the RTC Battery” on page 63. 5. See “Removing...

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Chapter 3 66 4. Then take the upper case assembly off the main unit. Removing the Touchpad Board 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Keyboard” on page 63. 4. See �...

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67 Chapter 3 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the LCD Module” on page 57. 4. See “Removing the Keyboard” on page 63. 5. See “Removing the Upper Case Assemly” on page 65. 6. See “Removing the Touchpad B...

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Chapter 3 68 Removing the Second Fan Bracket 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the LCD Module” on page 57. 4. See “Removing the RTC Battery” on page 63. 5. See �...

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69 Chapter 3 5. See “Removing the Thermal Module” on page 64. 6. See “Removing the VGA Thermal Plate” on page 67. 7. Push the ODD module outwards then take the ODD out of the support bracket. Remove the screw that fastens the ODD support bra...

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Chapter 3 70 . 13. Remove the two screws holding the main board as the picture shows. Remove another two screws that fasten the main board. Then detach the main board from the lower case carefully. Removing the DC Board 1. See “Removing the Batter...

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71 Chapter 3 3. See “Removing the Keyboard” on page 63. 4. See “Removing the Upper Case Assemly” on page 65. 5. See “Removing the Fan” on page 63. 6. See “Removing the Thermal Module” on page 64. 7. See “Removing the VGA Thermal Pla...

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Chapter 3 72 Removing the Speaker Set 1. See “Removing the Battery” on page 52. 2. See “Removing the Middle Cover” on page 56. 3. See “Removing the Keyboard” on page 63. 4. See “Removing the Upper Case Assemly” on page 65. 5. See “R...

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73 Chapter 3 System Upgrade Procedure Base Unit to Wireless Unit 1. Turn out the two screws fastening the modem cover then open the cover. 2. Connect the wirless antennae. 3. Insert the wireless LAN board to the wireless socket on the main board. 4. ...

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Chapter 4 74 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...

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75 Aspire 1620 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...

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Chapter 4 76 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. 1. Boot from the diagno...

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77 Aspire 1620 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 1. If the voltage is not correct, replace the power adapter. 2. I...

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Chapter 4 78 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 Meter, confirm that if the parameters shown in the screen for Current Power Source and Tot...

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79 Aspire 1620 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/...

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Chapter 4 80 Index of Error Messages Error Code List Error Codes Error Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2. IDE Primary Channel Master Drive Error (THe causes will be shown before “Equipment Configu...

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81 Aspire 1620 Real time clock error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Previous boot incomplete - Default configuration used Run “Load Default Settings” in BIOS Setup Utility. RTC ba...

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Chapter 4 82 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 76. Ensure every connector is...

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83 Aspire 1620 POST Code Code Beeps POST Routine Description 02h Verify Real Mode 03h Disable Non-Maskable Interrupt (NMI) 04h Get CPU type 06h Initialize system hardware 08h Initialize chipset with initial POST values 09h Set IN POST flag 0Ah Initia...

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Chapter 4 84 46h 2-1-2-3 Check ROM copyright notice 48h Check video configuration against CMOS 49h Initialize PCI bus and devices 4Ah Initialize all video adapters in system 4Bh QuietBoot start (optional) 4Ch Shadow video BIOS ROM 4Eh Display BIOS co...

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85 Aspire 1620 8Ch Initialize floppy controller 8Fh Determine number of ATA drives (optional) 90h Initialize hard-disk controllers 91h Initialize local-bus hard-disk controllers 92h Jump to UserPatch2 93h Build MPTABLE for multi-processor boards 95h ...

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Chapter 4 86 D2h Unknown interrupt Code Beeps For Boot Block in Flash ROM 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...

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87 Aspire 1620 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 execu...

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Chapter 4 88 Battery can’t be charged See “Check the Battery Pack” on page 78. Battery pack System board PCMCIA-Related Symptoms Symptom / Error Action in Sequence System cannot detect the PC Card (PCMCIA) PCMCIA slot assembly System board PC...

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89 Aspire 1620 NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 91. Battery fuel gauge in Windows doesn’t go higher than 90%. Remove battery pack and let it cool for 2 h...

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Chapter 4 90 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 shoul...

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91 Aspire 1620 Undetermined Problems The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whether a short circuit is suspected, or whether the system is inoperative. Follow these procedur...