Acer Extensa 670 Service Manual
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Acer Extensa 670 Service Manual

Acer Extensa 670 Service Manual

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PART NO.: 49.47010.001
DOC. NO.: SG248-9708A
Extensa 670
Extensa 670
Service Guide
PRINTED IN TAIWAN

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  • Page 1 Extensa 670 Extensa 670 Service Guide PART NO.: 49.47010.001 DOC. NO.: SG248-9708A PRINTED IN TAIWAN...
  • Page 2 Further, Acer Incorporated reserves the right to revise this publication and make changes from time to time in the contents hereof without obligation of Acer Incorporated to notify any person of such revision or changes.

  • Page 3: Installation

    About this Manual About this Manual Purpose This service guide contains reference information for the Extensa 670 computer. It gives the system and peripheral specifications, shows how to identify and solve system problems and explains the procedure for removing and replacing system components. It also gives information for ordering spare parts.
  • Page 4 Related product information Extensa 670 User's Manual contains system description and general operating instructions. ALi M1521/M1523 Chipset Data Sheets contain information on the system core chips . C&T 65550 Data Sheet contains detailed information on the VGA controller. ALi M6377 Chipset Data Sheet contains detailed information on the power management controller.
  • Page 5 Conventions The following are the conventions used in this manual: Represents text input by the user. Text entered by user Denotes actual messages that appear onscreen. Screen messages , etc. Represent the actual keys that you have to press on the keyboard.

  • Page 6: Table Of Contents

    Table of Contents Table of Contents Chapter 1 General Introduction 1.1. Introduction ........................1-1 1.2. Notebook Model Number Definition................1-2 1.3. Product Overview......................1-3 1.3.1 Video Display Features ...................1-5 1.3.2 Software Features...................1-5 1.3.3 67x Series External Ports ................1-6 1.3.4 Standard Peripheral Devices ................1-7 1.3.5 Expansion Capabilities..................1-7 1.3.6...
  • Page 7 2.5.3 Installing an External Serial Port Device............2-7 2.5.4 Installing an External VGA Monitor ..............2-8 2.5.5 Installing the Security Lock Option..............2-9 2.6. Battery Pack Installation ....................2-10 2.7. Installing the AC Power Adapter................2-11 2.8. Initial System Checkout .....................2-12 2.9. Making Backups of System Software ...............2-12 Chapter 3 Operating Instructions 3.1.
  • Page 8 4.3.4 ALI M1523 (PCI, Cache and Memory Controller) ...........4-8 4.3.5 ALI M6377 (Powre Management Unit)............4-10 4.3.6 C&T 65550 High Performance Flat Panel / CRT VGA Controller....4-13 4.3.7 TI1130 PCMCIA Controller ................4-16 4.3.8 NS87336VJG Super I/O Controller ...............4-19 4.3.9 ESS1878 Audio Controller with Interface to Expansion Audio Mixer....4-23 Chapter 5 Troubleshooting Procedures 5.1.
  • Page 9 6.5.4 Removing/Replacing the Keyboard Assembly..........6-7 6.5.5 Removing/Replacing Expansion Memory............6-8 6.5.6 Removing the Heat Sink Assembly ..............6-9 6.5.7 Removing/Replacing the CPU Chip..............6-10 6.5.8 FDD/CD-ROM Drive Removal ..............6-11 6.5.9 Removing/Replacing the Display Assembly ..........6-12 6.5.10 Removing/Replacing the Top Cover.............6-13 6.5.11 Removing/Replacing FIR/Audio Board ............6-14 6.5.12 Removing/Replacing the Fan Assembly............6-15 6.5.13 Removing/Replacing the LED Board ............6-16 6.5.14 Removing/Replacing Inside Frame Assy............6-16...
  • Page 10 List of Figures List of Figures Extensa 67x Series Notebook Computers ..............1-1 External Features......................1-4 External Ports......................1-6 Installing PCMCIA Card Options ................1-8 67x Operating Controls and Indicators..............3-1 Extensa 670 System Architecture Diagram ..............4-5 M1521 Pin Assignments ...................4-6 M1523 Chip Simplified Block Diagram..............4-8 M1523 Chip Pinouts ....................4-9 M6377 Chip Simplified Block Diagram..............4-11 M6377 Chip Pinouts ....................4-12...
  • Page 11 6-17 Internal Assemblies, Removal/Replacement ............6-15 6-18 Removing/Replacing the Inside Frame Assembly ..........6-16 6-19 Removing/Replacing the Battery Board ..............6-17 6-20 Removing/Replacing the Charger Board Assembly..........6-18 6-21 Detaching Motherboard from Inside Frame Assembly ...........6-19 6-22 Removing/Replacing the PCMCIA Module .............6-20 6-23 Removing/Replacing the Touchpad Assembly ............6-21 6-24 Display Unit Disassembly..................6-22...
  • Page 12 List of Tables List of Tables Feature Comparison for 65x/67x Series Notebooks ..........1-3 Operating System Environments ................1-6 External Ports......................1-7 Expansion Features Summary..................1-7 Specifications ......................1-10 Indicators........................3-2 Summary of Notebook Hot Key Sequences..............3-2 Major Chips List ......................4-4 Display Troubleshooting Guide .................5-2 Self Test Error Messages..................5-3 Self Test Beep Messages ..................5-5...

  • Page 13: Introduction

    C h a p t e r C h a p t e r General Description 1.1. Introduction This chapter provides a general overview of the Extensa 67x Series, describes the standard and optional features, and identifies the major assemblies and subassemblies. This chapter also contains detailed functional and environmental specifications for the Extensa 67x Series Notebook Computers.

  • Page 14: Notebook Model Number Definition

    1.2. Notebook Model Number Definition The following figure contains a summary of the available models in the 67x Series. 670 XX - X X X Code Country PWR cord Manual Reserved US(110v) English W Europe EUR(220v) English Latin AM US(110v) Multi-language Reserved Reserved...

  • Page 15: Product Overview

    1.3. Product Overview The Extensa 67x Series follows the 65x Series. The Extensa 67x notebook series is similar in construction and appearance, has similar operating controls and indicators and uses the same software. It uses a similar startup self test program (described in detail in Chapter 5 of this manual). There are differences at the board level which affect assembly/disassembly as described in Chapter 6 of this manual.

  • Page 16: External Features

    Duracell NiMH (Nickel-Metal-Hydride) or optional Li-Ion (Lithium-Ion) battery pack 1.6/2.1 GB (or higher) capacity hard disk drive with Local Bus Internal touchpad pointing device Small, lightweight AC adapter Modular bay for expansion PS/2 port for connecting an external keyboard, numeric keypad, or mouse 9-pin serial port for connecting external devices such as a modem or mouse Simultaneous display with external CRT One Type III or two Type II/I Cardbus PC Card slots;...

  • Page 17: Video Display Features

    1.3.1 Video Display Features The Extensa 67x Series Notebooks contain large screen internal LCD displays and can simultaneously drive an external CRT (SimulSCAN mode). On all Extensa models, the LCD screen brightness, contrast, video mode of operation, etc. are adjustable from the keyboard as described in Paragraph 1.2.2.3.

  • Page 18: Series External Ports

    Table 1-2 Operating System Environments Operating System Description Windows 95 Supports both desktop and mobile operation with Plug and Play capabilities and Advanced Power Management; multimedia options, and choice of wallpaper to customize different computer resources; variety of device drivers including C&T® 65550, ESS 1878 Sound Device Drivers, PC-Card Bus Socket Services and Card Services Device Drivers, TranXit™...

  • Page 19: Standard Peripheral Devices

    Table 1-3 External Ports Port Assignment Description External VGA Port 15-Pin Female connector used to attach an external SVGA monitor to the notebook. Serial Port 9-Pin Male connector used to attach an RS-232 serial device to the notebook. Parallel/Floppy Port 25-Pin Female connector used to attach a bidirectional printer or an external floppy disk drive (requires special cable for use with floppy disk drive).

  • Page 20: Installing Pcmcia Card Options

    PCMCIA Card options install on the left side of the notebook (Figure 1-5) and are removed using the PCMCIA Release Buttons. Figure 1-5 Installing PCMCIA Card Options General Description...

  • Page 21: Standard Test Features

    1.4. Standard Test Features The Extensa 67x Series Notebook Computers use modular design and built-in test features to reduce the mean time to repair. 1.4.1 Power On Self Test The Extensa line of notebook computers contain a BIOS-resident, Power On Self Test (POST) that automatically performs a test of memory and all major circuits each time the computer is powered up.

  • Page 22: Extensa 67X Series Specifications

    1.5. Extensa 67x Series Specifications General specifications for the Extensa 67x Series Notebooks are provided in Table 1-5. Table 1-5 Specifications Characteristic Model 670 Pentium P54CSLM, 133 MHz; 3.1 Volt, Internal Hard Disk Drive Disk Storage Capacity 1.6 GB, 2.1 GB Average access time 12 ms or less Throughput...
  • Page 23 Table 1-5 Specifications Characteristic Model 670 RS-232-D Serial Port: 9-Pin, male, sub-D-type connector Method EIA RS-232-D Type Asynchronous transmission Bits per second 110, 200, 300, 600, 1200, 2400, 4800, 9600, 19200 Parity Odd, even, mark, space Data check: odd, even Transmit/Receive READY/BUSY, DC1/DC3 Line control...

  • Page 24: Regulatory Agency Approvals

    1.6. Regulatory Agency Approvals All Extensa 67x Series products meet the following regulatory agency standards: Underwriter’s Lab (UL) Standard 1950 (safety) Canadian Standards Association (CSA) Standard 950 or CUL (safety) FCC CFR 47, Part 15, Subpart B, FCC Level B (Emissions) Canadian Department of Communications (DOC) ICES, Class B (Emissions) VDE- EN60950 (Safety) EN 50082-1 (Immunity: ESD, RFI, EFT, and Surge)

  • Page 25: Chapter 2 Installation

    C h a p t e r C h a p t e r Installation 2.1. Introduction This chapter contains unpacking and preparation for use instructions for the Extensa 67x Series Notebook Computers. This includes: Removing the computer and all manuals, options and accessories from the shipping container(s) Installing Internal Notebook Options Installing External Notebook Options...

  • Page 26: Installing Internal Notebook Options

    2.3. Installing Internal Notebook Options If you have no internal options to install at this time, skip to Paragraph 2.4. Otherwise, continue with Paragraph 2.3.1. 2.3.1 Installing Main Memory Expansion (Optional) Main memory on the 67x Series Notebooks can be expanded using EDO Small Outline Dual Inline Memory Modules (EDO soDIMMs).

  • Page 27: Setting Up The Software

    If installing a second soDIMM, repeat Step 6. Reinstall the Expansion Memory Access Cover using the screw removed in Step 4. Replace the Keyboard Assembly and any components previously removed. Replace the AC adapter. 10. Power up the notebook and reboot. If all of the installed memory is not recognized, try reseating the soDIMM module(s) and rebooting.

  • Page 28: Installing External Options

    2.4. Installing External Options 2.4.1 Installing PCMCIA Options The Notebook has two connector slots for PCMCIA option cards. These two slots can be used to install one Type III or two Type I/II credit card size PCMCIA option cards. You can install a PCMCIA (PC card) without turning the computer off.

  • Page 29: Installing External Notebook Options

    2.5. Installing External Notebook Options 2.5.1 Installing Ext. Keyboard/Mouse/Numeric Keypad A PS/2 compatible keyboard, mouse or an optional PS/2-compatible numeric keypad may be installed on the notebook via the mouse connector on the left rear port as shown in Figure 2-3. Figure 2-3 PS/2 Port Pinouts Service Guide...

  • Page 30: Installing An External Parallel Printer Or Floppy Drive

    2.5.2 Installing an External Parallel Printer or Floppy Drive The Notebook is equipped with an external, bidirectional, ECC/EPP compatible, 25-pin parallel printer port. The connector pinouts and connector location are shown in Figure 2-4. When used with a special cable, an external floppy disk drive may also be attached to the notebook via the parallel port.

  • Page 31: Installing An External Serial Port Device

    2.5.3 Installing an External Serial Port Device The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector as shown in Figure 2-5 (25-pin cables require the use of an adapter for use with the 9-pin port). The serial ports are used to interconnect such devices as: External Modem Serial Mouse...

  • Page 32: Installing An External Vga Monitor

    2.5.4 Installing an External VGA Monitor The notebook contains an external CRT port that can drive one of a variety of monitor resolutions and colors as summarized in Table 1-9. The associated connector location and pinouts are shown in Figure 2-6. Figure 2-6 External VGA Pinouts Use the following procedure to install an external monitor:...

  • Page 33: Installing The Security Lock Option

    2.5.5 Installing the Security Lock Option ® Use the following procedure to install the optional Kensington security lock. Unpack the Kensington Lock Kit. Secure the loop end of the lock to a permanent fixture located such that the notebook can be installed in a desired location.

  • Page 34: Battery Pack Installation

    2.6. Battery Pack Installation First turn off the computer and disconnect the AC adapter if attached to the computer; then follow these steps: Unlatch the battery compartment door (right front corner of the unit) as shown in Figure 2-7. Slide the battery compartment door out slightly and then swing the door outward as shown in Figure 2-7.

  • Page 35: Installing The Ac Power Adapter

    2.7. Installing the AC Power Adapter Use the following procedures to connect the AC adapter to the system: Caution: Use only the AC adapter supplied with the computer; other adapters can damage the unit. Remove the AC adapter from the packaging. Connect the round coaxial connector supplied with the notebook to the DC IN power receptacle on the left rear of the notebook as shown in Figure 2-8 (a).

  • Page 36: Initial System Checkout

    2.8. Initial System Checkout After you've installed all internal options and external cabling, you're ready for system checkout and software configuration. To check out the system, press the power button on the left side of the notebook which initiates self test.

  • Page 37: Chapter 3 Operating Instructions

    Operating Instructions 3.1. Introduction This chapter contains a summary of notebook operating procedures useful for maintenance operations. For additional detail, refer to the Extensa Series Notebook Computer User's Guide supplied with the notebook. 3.2. Controls/Indicators The operating controls and indicators for the 67x Series Notebooks are identical (refer to Figure 3- 1).

  • Page 38: Summary Of Notebook Hot Key Sequences

    Indicator Light Description Power/Battery-low Lights when the system is on and there is power to the system. Flashes when the battery power is low. Connect a powered AC adapter to the computer as soon as possible. Standby Mode Lights when the computer is in Standby mode. Flashes when the computer is in 5V Suspend mode.
  • Page 39 Table 3-2 Summary of Notebook Hot Key Sequences Function Key Sequence Sets the notebook to echo keystrokes to the printer; prints a line Ctrl-P when you press Enter; continues until you press Ctrl-P Enable/disable the internal keypad Fn-T Toggle Scroll Lock function on/off Fn-F6 Bring up the setup screen anytime Fn-F1 or Ctrl-Alt-F1...

  • Page 40: Chapter 4 Theory Of Operation

    C h a p t e r C h a p t e r Theory of Operation 4.1. Introduction This chapter contains a general block diagram theory of operation description of the Extensa 67x Series Notebook Computers. Note: Various internal components may change on future models and busses/bus speeds are subject to change.

  • Page 41: Memory Subsystem

    4.2.2 Memory Subsystem The memory subsystem comprises the following components: Main memory L2 Secondary Memory (cache) Flash ROM The Extensa Series uses fast Extended Data Out (EDO) DRAM for main and video memory and high-speed synchronous, pipelined burst SRAM for L2 cache memory. Main BIOS and Video BIOS are stored in Flash ROM.

  • Page 42: Keyboard Subsystem

    4.2.5 Keyboard Subsystem The keyboard subsystem, implemented on the Keyboard Assembly and the Motherboard Assemblies Board, consists of the following major sections: Keyboard Assembly Keyboard Scanner Status LED Interface 4.2.6 Hard Disk Drive Subsystem The Hard Disk Drive Subsystem, implemented on the Motherboard Board and on the associated hard disk drive module(s), provides disk storage for all system software and user files.

  • Page 43: Detailed Circuit Theory

    Table 4-1 shows a listing the of the major components used in the Extensa Series Notebooks. Table 4-1 Major Chips List Component Vendor Description M1521 Acer PCI, cache and memory controller (Host-PCI Bridge) M1523 Acer System controller chip (PCI-ISA Bridge) M6377...

  • Page 44: System Architecture

    4.3.2 System Architecture Figure 4-1 shows the Extensa system architecture. The remainder of this chapter provides a detailed description of the major chips used in the Extensa Notebooks. CPU Bus DRAM M1521 SRAM G raphic controller PCI Bus IDE Master M1523 USB connector ISA Bus...

  • Page 45: Ali M1521 (Pci, Cache And Memory Controller)

    4.3.3 ALI M1521 (PCI, Cache and Memory Controller) The ALADDIN-III consists of tow chips, ALI M1521 and M1523 to give a 586 class system the complete solution with the most up-to-date feature and architecture for the new multimedia/ multithreading operating system. It utilizes the BGA package to improve the AC characterization, resolves system bottleneck and make the system manufacturing easier.

  • Page 46: M1521 Pin Assignments

    Figure 4-2 M1521 Pin Assignments Service Guide...

  • Page 47: Ali M1523 (Pci, Cache And Memory Controller)

    4.3.4 ALI M1523 (PCI, Cache and Memory Controller) The M1523 is a bridge between PCI and ISA bus, providing full PCI and ISA compatible functions. The M1523 has Integrated System Peripherals (ISP) on-chip and provides advanced features in the DMA controller. This chip contains the keyboard controller, real-time clock and IDE master controller.

  • Page 48: M1523 Chip Pinouts

    BALE IRQ12 MSCLK KBDATA KBCLK/KBCSJ SBHEJ KBINH/IRQ1 M16J IDESCS3J LA23 IDESCS1J IO16J IDEPCS3J LA22 IDEPCS1J IRQ10 IDE_A0 LA21 IDE_A2 IRQ11 IDE_A1 VDD/BAT IDAKJ1 RTC32KII IDAKJ0 RTC32KI IDERDY IDEIORJ LA20 IDEIOW J LA19 IDRQ1 IRQ15 IDRQ0 LA18 IDE_D0 M1523 IRQ14 IDE_D15 LA17 MEMRJ IDE_D1...

  • Page 49: Ali M6377 (Powre Management Unit)

    4.3.5 ALI M6377 (Powre Management Unit) Three operation states ON state DOZE state SLEEP state Programmable DOZE and SLEEP timers Programmable EL timer for backlight control Three output pins depending on operation state, each pin is programmable and power configurable Provide system activity monitoring, including: video hard disk...

  • Page 50: M6377 Chip Simplified Block Diagram

    WAKEUP EVENT HANDLER STATE CONTROLLER ACTIVITY MONITOR EL TIMER HANDLER Timebase PROGRAMABLE APM TIMER BATTERY MONITOR INTERF OTHER GPIO Figure 4-5 M6377 Chip Simplified Block Diagram Service Guide 4-11...

  • Page 51: M6377 Chip Pinouts

    Figure 4-6 M6377 Chip Pinouts 4-12 Theory of Operation...

  • Page 52: C&T 65550 High Performance Flat Panel / Crt Vga Controller

    4.3.6 C&T 65550 High Performance Flat Panel / CRT VGA Controller The C&T 65550 of high performance multimedia flat panel / CRT GUI accelerators extend CHIPS’ offering of high-performance flat panel controllers for full-featured notebooks and sub-notebooks. The C&T 65550 offers 64-bit high performance and new hardware multimedia support features. High Performance Based on a totally new internal architecture, the C&T65550 integrates a powerful 64-bit graphics accelerator engine for Bit Block Transfer (BitBLT), hardware cursor, and other functions intensively...

  • Page 53: C&T65550 Chip Pinouts

    The pin diagram is shown in Figure 4-7. Pin names in parentheses (…) indicate alternate functions. Figure 4-7 C&T65550 Chip Pinouts 4-14 Theory of Operation...

  • Page 54: C&T65550 Chip Simplified Block Diagram

    A simplified block diagram of the C&T65550 is shown in Figure 4-8. Video Memory Memory Controller 64-bit Video Graphics Capture Scaling Engine Port Analog Capture YUV to RGB Color Key Zoom Digital PCI Bus Bus Interface Figure 4-8 C&T65550 Chip Simplified Block Diagram Service Guide 4-15...

  • Page 55: Ti1130 Pcmcia Controller

    4.3.7 TI1130 PCMCIA Controller The TI PCI1130 is a high-performance PCI-to-PC Card controller that supports two independent PC Card sockets compliant with the 1995 PC Card standard. The PCI1130 provides a set of features that make it ideal for bridging between PCI and PC Cards in both notebook and desktop computers. The 1995 PC Card standard retains the 16-bit PC Card specification defined in PCMCIA release 2.1 and defines the new 32-bit PC Card, called CardBUs, capable of full 32-bit data transfers at 33 MHz.

  • Page 56: Ti1130 Chip Pci-To-Cardbus (32-Bit) Pinouts

    Figure 4-10 TI1130 Chip PCI-to-CardBus (32-bit) Pinouts Service Guide 4-17...

  • Page 57: Ti1130 Chip Simplified Block Diagram

    A simplified block diagram of the PCMCIA Controller is shown in Figure 4-11. Figure 4-11 TI1130 Chip Simplified Block Diagram 4-18 Theory of Operation...

  • Page 58: Ns87336Vjg Super I/O Controller

    4.3.8 NS87336VJG Super I/O Controller The PC87336VJG is a single chip solution for most commonly used I/O periherals in ISA< and EISA based comptuers. It incorporates a Floppy Disk Controller (FDC), two full featured UARTS, and an IEEE 1284 compatible parallel port Standard PC-AT address decoding for all the peripherals and a set of configuration registers are also implemented in this highly integrated member of the Super I/O family.
  • Page 59 Extended Capabilitie Port (ECP) compatible, including level 2 support Bidirectional under either software or hardware control Compatible with ISA and EISA architectures Ability to multiplex FDC signals on parallel port pins allows use of an external Floppy Disk Drive (FDD) Includes protection circuit to prevent damage to the parallel port when a connected printer is powered up or is operated at a higher voltage UARTs:...

  • Page 60: Ns87336Vjg Chip Pinouts

    The pin diagram is shown in Figure 4-12. Figure 4-12 NS87336VJG Chip Pinouts Service Guide 4-21...

  • Page 61: Ns87336Vjg Chip Simplified Block Diagram

    A simplified block diagram of the Super I/O controller is provided in Figure 4-13. Config. Serial Serial Interrupt Interrupt Inputs Interface Interface Interface UART Configuration UART + IrDA/HP & Sharp IR Registers (16550 or 16450) (16550 or 16450) Floppy Disk Floppy Controller with Drive...

  • Page 62: Ess1878 Audio Controller With Interface To Expansion Audio Mixer

    4.3.9 ESS1878 Audio Controller with Interface to Expansion Audio Mixer The ES1878 is a member of the ESS family of audio controllers that includes the ES1868. It shares most of the features of the ES1868. and includes new features, such as support for the expansion audio mixer chip, the ES978, and a new IIS serial port and stereo D/A converter.

  • Page 63: Chapter 5 Troubleshooting Procedures

    C h a p t e r C h a p t e r Troubleshooting Procedures 5.1. Introduction This chapter provides an overview of the fault isolation process, provides guidelines for isolating 67x Series computer malfunctions to replaceable subassemblies and provides instructions for executing diagnostics and interpreting error messages.

  • Page 64: Troubleshooting Procedures

    5.3. Troubleshooting Procedures The built-in self test program and the disk resident diagnostics program (PC-Doctor) are useful tools in computer troubleshooting. However, if the computer has a power, keyboard or display problem, you must first solve this problem before running diagnostics. If the computer powers up and displays messages on the LCD or emits a series of beeps, skip to Paragraph 5.3.3 for further instructions.

  • Page 65: Fault Isolation Using Self Test

    Table 5-1 Display Troubleshooting Guide Problem Description Inverter Display Mother BIOS Board Panel Cable Board Single line on LCD display (horizontal or High Medium vertical) Multiple lines on display (horizontal or vertical) Medium Medium Sections of the display are missing characters Medium Medium Scrambled Display...
  • Page 66 Table 5-2 Self Test Error Messages Error Message Explanation Diskette read failure - This message indicates the disk is defective or not formatted. strike F1 to try to retry Try another known good formatted disk and press F1. Fixed disk failure boot This message indicates the system disk drive failed to complete the self test or that the nonvolatile random-access memory (NVRAM) is configured incorrectly for the...

  • Page 67: Self Test Beep Messages

    Table 5-2 Self Test Error Messages Error Message Explanation Press F1 to continue This message tells you that an error was found during self test execution. Press F1 to attempt to reboot the computer. Save-to-Disk file is too This message occurs when you add memory. Use the MS-DOS program PHDISK small to increase the size of the save-to-disk file.
  • Page 68 Table 5-3 Self Test Beep Messages Beep Code Port 80h Description 2-4-1 Bit C, 1ST 64K RAM Failure 2-4-2 Bit D, 1ST 64K RAM Failure 2-4-3 Bit E, 1ST 64K RAM Failure 2-4-4 Bit F, 1ST 64K RAM Failure 3-1-1 Slave DMA Register Failure 3-1-2 Master DMA Register Failure...

  • Page 69: Pcmcia Modem Problems

    5.3.4 PCMCIA Modem Problems If an optional PCMCIA modem does not work properly, check the following items: Dialing problem or wrong number - Try dialing a number that you have previously dialed successfully. Faulty phone line - Connect a telephone to the line and listen for a dial tone. Software program - Check to ensure that you have installed the software correctly.

  • Page 70: Chapter 6 Field Service

    C h a p t e r C h a p t e r Field Service 6.1. Introduction This chapter contains general preventive and corrective maintenance procedures that apply to all members of the Extensa 67x Series Notebook Computers. The first part of the chapter describes the computer cleaning procedures and preferred handling procedures for sensitive components (e.g.

  • Page 71: Handling The Computer Battery Pack

    The notebook computer can be password protected to prevent unauthorized use. However, if the password is lost, the notebook must be returned to the Acer Incorporated manufacturing facility in Temple, Texas U.S.A. to restore access. This service is not covered by warranty.

  • Page 72: Fru Removal/Replacement Procedures

    6.5. FRU Removal/Replacement Procedures The following paragraphs contain field service-level removal/replacement procedures for the 67x Series Notebook Computers. Most FRU removal/replacement procedures involve connecting and disconnecting cable connectors. The Extensa series uses two types of connectors including: Locking-type connectors - use a plastic stick to unlock and lock these type of connectors as shown in Figure 6-1.

  • Page 73: Removing/Replacing The Notebook Battery Pack

    6.5.1 Removing/Replacing the Notebook Battery Pack Before performing any of the assembly/disassembly procedures, always disconnect the AC adapter from the notebook and remove the battery pack. The procedure for removing and replacing the battery pack is as follows: Turn off the computer and disconnect the AC adapter from the computer. Unlatch the battery compartment door (right front corner of the unit) as shown in Figure 6-2.

  • Page 74: Removing/Replacing Pcmcia Options

    6.5.2 Removing/Replacing PCMCIA Options The procedure for removing and replacing the PCMCIA options is as follows: Turn off the computer and remove the battery pack as described in Paragraph 6.5.1. Press the upper card eject button to eject the upper card, lower button controls the lower card and use both buttons for Type III devices.

  • Page 75: Removing/Replacing The Hard Disk Drive Assembly

    6.5.3 Removing/Replacing the Hard Disk Drive Assembly The procedure for removing and replacing the Hard Disk Drive assembly is as follows: Power down the notebook, disconnect the AC adapter, if installed, and remove the battery pack as described in Paragraph 6.5.1. Disconnect any peripheral device interface cables from the external interface connectors and remove any installed PCMCIA options.

  • Page 76: Removing/Replacing The Keyboard Assembly

    6.5.4 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as follows: Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack as described in Paragraph 6.5.1. Press the Cover Release Latch and open the notebook to a full 180 degree position as shown in Figure 6-6.

  • Page 77: Removing/Replacing Expansion Memory

    6.5.5 Removing/Replacing Expansion Memory To remove and replace an expansion memory module (soDIMM), perform the following procedure: Power down the notebook, disconnect the AC adapter, and any installed battery packs. Disconnect any peripheral device interface cables from the external interface connectors and remove any installed PCMCIA options.

  • Page 78: Removing The Heat Sink Assembly

    6.5.6 Removing the Heat Sink Assembly Use the following procedure to remove and replace the Heat Sink Assembly: Remove the Keyboard Assembly as described in Paragraph 6.5.4. Remove the two screws that secure the heat plate to the housing as shown in Figure 6-9. Replacement is the reverse of Steps 1 and 2.

  • Page 79: Removing/Replacing The Cpu Chip

    6.5.7 Removing/Replacing the CPU Chip The CPU chip is installed in a Zero Insertion Force type socket to facilitate removal and replacement. To remove the CPU, refer to Figure 6-10 and use the following procedure: Power down the notebook, remove the battery packs, and disconnect the AC Adapter, and remove the Heat Sink Assembly as described in Paragraph 6.5.7.

  • Page 80: Fdd/Cd-Rom Drive Removal

    6.5.8 FDD/CD-ROM Drive Removal Remove the battery and AC adapter as described in Paragraph 6.5.1. Unlatch the module by pushing the Module Lock (Figure 6-11) toward the unlock icon. Grasp the recessed grip area on the module and pull the module straight out. Reinstall the module by reversing Step 3.

  • Page 81: Removing/Replacing The Display Assembly

    6.5.9 Removing/Replacing the Display Assembly Use the following procedure to remove/replace the display assembly: Remove the battery and AC adapter as described in Paragraph 6.5.1. Refer to Figure 6-12 and remove the two screws that secure the display cable to the Motherboard assembly.

  • Page 82: Removing/Replacing The Top Cover

    10 Removing/Replacing the Top Cover Separa Remove the two screws that secure the heat sink to the base assembly. Remove the two screws on the top and nine screws on the bottom that hold the top cover in place; unsnap and remove the top cover (refer to Figure 6-14). Replacement of the top cover is the reverse of Steps 1 through 3.

  • Page 83: Removing/Replacing Fir/Audio Board

    6.5.11 Removing/Replacing FIR/Audio Board Use the following procedure to remove/replace the FIR/Audio Board Assembly: Remove the top cover and fan assemblies as described in Paragraph 6.5.10. Separate the inside frame assembly from the base assembly. Refer to Figure 6-15 and remove the following connectors: Left Speaker Cable J4 Internal Microphone Cable J5 Fan Connector J6...

  • Page 84: Removing/Replacing The Fan Assembly

    6.5.12 Removing/Replacing the Fan Assembly To remove and replace the fan assembly, perform the following procedure: Remove the Top Cover Assembly as described in Paragraph 6.5.10. Remove the two screws that secure the cover plate to the FIR/Audio Board. Remove the two screws holding the fan assembly in place and unplug the fan cable connector J6 from the FIR/Audio Board (refer to Figure 6-17).

  • Page 85: Removing/Replacing The Led Board

    6.5.13 Removing/Replacing the LED Board Remove the Top Cover Assembly as described in Paragraph 6.5.10. Disconnect the LED cable from the Main Board (refer to Figure 6-17). Remove the LED Board Assembly. Replacement is the reverse of Steps 1 through 3. 6.5.14 Removing/Replacing Inside Frame Assy Use the following procedure to separate the inside frame assembly from the base assembly: Remove the Top Cover as described in Paragraphs 6.5.10.

  • Page 86: Removing/Replacing The Battery Board

    6.5.15 Removing/Replacing the Battery Board Remove the Top Cover Assembly as described in Paragraph 6.5.10. Disconnect the Battery Board Cable from the Main Board (refer to Figure 6-17). Remove the two screws holding the Battery Board and remove the Battery Board Assembly (refer to Figure 6-19).

  • Page 87: Removing/Replacing The Charger Board

    6.5.16 Removing/Replacing the Charger Board Use the following procedure to remove/replace the Charger Board: Remove the Top Cover as described in Paragraphs 6.5.10 respectively. Separate the inside frame assembly from the base assembly as shown in Figure 6-18. Turn the unit over and remove the screw holding the Charger Board to the inside of the Frame Assembly (Figure 6-20).

  • Page 88: Removing/Replacing The Motherboard And Keyboard Connection Board Assemblies

    6.5.17 Removing/Replacing the Motherboard and Keyboard Connection Board Assemblies Use the following procedure to remove/replace the Motherboard Assembly: Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10. Unplug the Battery Board, LED Board Connector as described in paragraph 6.5.12. Refer to Paragraph 6.5.16 and remove the Charger Board Assembly.

  • Page 89: Removing/Replacing The Pcmcia Connector Module

    6.5.18 Removing/Replacing the PCMCIA Connector Module Use the following procedure to remove/replace the PCMCIA Connector Module: Remove the Motherboard Assembly as described in Paragraph 6.5.17. Remove the four screws securing the PCMCIA Module to the Motherboard Assembly (refer to Figure 6-22). 3.

  • Page 90: Removing/Replacing The Touchpad Assembly

    6.5.19 Removing/Replacing the Touchpad Assembly Use the following procedure to remove/replace the Touchpad Assembly: Remove the Keyboard Assembly as described in Paragraph 6.5.4. Remove the Top Cover Assembly as described in Paragraph 6.5.10. Refer to Figure 6-23; remove the center screw and disconnect the Touchpad cable J1. Remove the Touchpad main sensor and connector unit.

  • Page 91: Removing/Replacing The Display Bezel

    6.5.20 Removing/Replacing the Display Bezel To remove/replace the Display Bezel, use the following the procedure; Remove the AC adapter and Battery Pack as described in Paragraph 6.5.1. Remove the round LCD bumpers at the top of the display (refer to Figure 6-24). Remove the left and right screws near the display hinges (note that the screw covers are not identical).

  • Page 92: Removing/Replacing The Lcd Inverter And Lcd Id Boards

    6.5.21 Removing/Replacing the LCD Inverter and LCD ID Boards To remove/replace the LCD Inverter or the LCD ID Board, use the following the procedure; Remove the Display Bezel as described in Paragraph 6.5.20. Gently fold back the foil around the LCD and unplug Inverter Cable CN2 (refer to Figure 6-24). Remove the screws that secure the three Inverter Boards to the display back cover and remove the boards.
  • Page 93 A p p e n d p e n d i x Maintenance Data A.1. Introduction This chapter contains model-dependent maintenance data for the Extensa Model 67x Series Notebook Computers. For information common to all members of the Extensa 67x Series, refer to Chapter 1 through 6 of this manual.

  • Page 94: Lcd Inverter

    A.3.1 Cover-Display Assembly The Cover-Display Assembly shown in Figure A-2, contains the LCD screen, DC-AC Inverter Board Logic, DC-DC Inverter Board Logic, bezel LCD cover and various other components as listed in Table A-1. LCD Inverter LCD ID Board Figure A- 2 Display FRUs Table A-1 Top Cover Assembly Field-Replaceable Units (FRUs)
  • Page 95 A.3.2 System Base Assembly As shown in Figure A-3, the System Base Assembly houses a variety of field-replaceable subassemblies and components. The various assemblies and reference paragraph numbers containing removal/replacement procedures are listed in Table A-2. Charger Board Assembly LED Board Assembly Figure A- 3 Base Assembly FRUs...
  • Page 96 Table A-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/Disassembly Part No. Paragraph KeyBoard Logic Assembly (French) 6.5.4 90.46907.00F KeyBoard Logic Assembly (Spanish) 6.5.4 90.46907.00S KeyBoard Logic Assembly (Swiss/German) 6.5.4 90.46907.007 KeyBoard Logic Assembly (Italian) 6.5.4 90.46907.00I KeyBoard Logic Assembly (Portuguese) 6.5.4 90.46907.00P KeyBoard Logic Assembly (Sweden)
  • Page 97 Table A-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/Disassembly Part No. Paragraph Right Speaker with cable 23.40015.021 Left Speaker with cable 23.40015.031 Cover, FIR/Audio Board 6.5.11 34.47005.001 Microphone W/Cable 60.47011.001 The motherboard is composed of the following spare parts/ components: Table A-3 Mainboard Spare Parts/Components Mainboard Assembly Component Description...
  • Page 98 Table A-3 Mainboard Spare Parts/Components Mainboard Assembly Component Description Location Part No. IC DRAM 2M*8-60 EDO 3.3V 2K/SR DM1-8 72.48214.209 IC SRAM 7C1399 15NS 32K*8 SOJ 72.71399.23B IC CMOS 74QST3384 QSOP 24P(TI) QS1-9 11 73.03384.L13 IC CMOS CD4066BC SO-N 14P 73.04066.091 IC TRANSCEIVER MAX213ECAI SSOP 74.00213.0F9...
  • Page 99 A.4. Jumper Options The remainder of this appendix describes the jumper configuration options for the 670 Series boards. SW1 SW2 External PS/2 mouse/keyboard port CD-ROM/FDD connector External CRT port Power supply board connector Expansion port (port replicator) LED board connector Parallel port SW2 CPU speed switch Serial port...
  • Page 100 DIMM1 DIMM2 CD-ROM/FDD lock/unlock switch DIMM2 DIMM slot 2 DIMM1 DIMM slot 1 Feature board connector Figure A-5 Main Board Jumper Options (bottom side) Left speaker connector SW1 LCD cover switch Internal microphone connector Mic-in connector Fan connector Line-in connector Right speaker connector Line-out connector Figure A-6...
  • Page 101 A.5. Logic Diagrams The remainder of this chapter contains logic diagrams for the Extensa Model 67x Series. The following pages (36 sheets) contains the logic diagrams for the main board. Service Guide...
  • Page 102 Figure A- 7 Main Board Logic Diagrams (Sheet 1 of 36) A-10 Maintenance Data...
  • Page 103 Figure A- 8 Main Board Logic Diagrams (Sheet 2 of 36) Service Guide A-11...
  • Page 104 Figure A- 9 Main Board Logic Diagrams (Sheet 3 of 36) A-12 Maintenance Data...
  • Page 105 Figure A- 10 Main Board Logic Diagrams (Sheet 4 of 36) Service Guide A-13...
  • Page 106 Figure A- 11 Main Board Logic Diagrams (Sheet 5 of 36) A-14 Maintenance Data...
  • Page 107 Figure A- 12 Main Board Logic Diagrams (Sheet 6 of 36) Service Guide A-15...
  • Page 108 Figure A- 13 Main Board Logic Diagrams (Sheet 7 of 36) A-16 Maintenance Data...
  • Page 109 Figure A- 14 Main Board Logic Diagrams (Sheet 8 of 36) Service Guide A-17...
  • Page 110 Figure A- 15 Main Board Logic Diagrams (Sheet 9 of 36) A-18 Maintenance Data...
  • Page 111 Figure A- 16 Main Board Logic Diagrams (Sheet 10 of 36) Service Guide A-19...
  • Page 112 Figure A- 17 Main Board Logic Diagrams (Sheet 11 of 36) A-20 Maintenance Data...
  • Page 113 Figure A- 18 Main Board Logic Diagrams (Sheet 12 of 36) Service Guide A-21...
  • Page 114 Figure A- 19 Main Board Logic Diagrams (Sheet 13 of 36) A-22 Maintenance Data...
  • Page 115 Figure A- 20 Main Board Logic Diagrams (Sheet 14 of 36) Service Guide A-23...
  • Page 116 Figure A- 21 Main Board Logic Diagrams (Sheet 15 of 36) A-24 Maintenance Data...
  • Page 117 Figure A- 22 Main Board Logic Diagrams (Sheet 16 of 36) Service Guide A-25...
  • Page 118 Figure A- 23 Main Board Logic Diagrams (Sheet 17 of 36) A-26 Maintenance Data...
  • Page 119 Figure A- 24 Main Board Logic Diagrams (Sheet 18 of 36) Service Guide A-27...
  • Page 120 Figure A- 25 Main Board Logic Diagrams (Sheet 19 of 36) A-28 Maintenance Data...
  • Page 121 Figure A- 26 Main Board Logic Diagrams (Sheet 20 of 36) Service Guide A-29...
  • Page 122 Figure A- 27 Main Board Logic Diagrams (Sheet 21 of 36) A-30 Maintenance Data...
  • Page 123 Figure A- 28 Main Board Logic Diagrams (Sheet 22 of 36) Service Guide A-31...
  • Page 124 Figure A- 29 Main Board Logic Diagrams (Sheet 23 of 36) A-32 Maintenance Data...
  • Page 125 Figure A- 30 Main Board Logic Diagrams (Sheet 24 of 36) Service Guide A-33...
  • Page 126 Figure A- 31 Main Board Logic Diagrams (Sheet 25 of 36) A-34 Maintenance Data...
  • Page 127 Figure A- 32 Main Board Logic Diagrams (Sheet 26 of 36) Service Guide A-35...
  • Page 128 Figure A- 33 Main Board Logic Diagrams (Sheet 27 of 36) A-36 Maintenance Data...
  • Page 129 Figure A- 34 Main Board Logic Diagrams (Sheet 28 of 36) Service Guide A-37...
  • Page 130 Figure A- 35 Main Board Logic Diagrams (Sheet 29 of 36) A-38 Maintenance Data...
  • Page 131 Figure A- 36 Main Board Logic Diagrams (Sheet 30 of 36) Service Guide A-39...
  • Page 132 Figure A- 37 Main Board Logic Diagrams (Sheet 31 of 36) A-40 Maintenance Data...
  • Page 133 Figure A- 38 Main Board Logic Diagrams (Sheet 32 of 36) Service Guide A-41...
  • Page 134 Figure A- 39 Main Board Logic Diagrams (Sheet 33 of 36) A-42 Maintenance Data...
  • Page 135 Figure A- 40 Main Board Logic Diagrams (Sheet 34 of 36) Service Guide A-43...
  • Page 136 Figure A- 41 Main Board Logic Diagrams (Sheet 35 of 36) A-44 Maintenance Data...
  • Page 137 Figure A- 42 Main Board Logic Diagrams (Sheet 36 of 36) Service Guide A-45...

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