Extensa 670 Service Guide PART NO.: 49.47010.001 DOC. NO.
Copyright Copyright © 1996 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.
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.
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. ES1878 Data Sheet contains detailed information on the audio controller.
Conventions The following are the conventions used in this manual: Text entered by user Represents text input by the user. Screen messages Denotes actual messages that appear onscreen. a, e, s, etc. Represent the actual keys that you have to press on the keyboard. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions.
Table of Contents Chapter 1 1.1. Introduction ..................................................................................................................1-1 1.2. Notebook Model Number Definition.............................................................................1-2 1.3. Product Overview.........................................................................................................1-3 1.4. 1.3.1 Video Display Features ..........................................................
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..........
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 ...............................................................
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 ................................................................
List of Figures x 1-1 Extensa 67x Series Notebook Computers ................................................................1-1 1-2 External Features......................................................................................................1-4 1-3 External Ports............................................................................................................1-6 1-4 Installing PCMCIA Card Options ...............................................................................
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 ....................
List of Tables xii 1-1 Feature Comparison for 65x/67x Series Notebooks .................................................1-3 1-2 Operating System Environments ..............................................................................1-6 1-3 External Ports............................................................................................................1-7 1-4 Expansion Features Summary..................................................................................
Chapter 1 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.
1.2. Notebook Model Number Definition The following figure contains a summary of the available models in the 67x Series.
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.
• Duracell NiMH (Nickel-Metal-Hydride) or optional Li-Ion (Lithium-Ion) battery pack • 1.6/2.
1.3.1 Video Display Features The Extensa 67x Series Notebooks contain large screen internal LCD displays and can simultaneously drive an external CRT (SimulSCANTM 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. 1.3.1.1 Internal LCD The Extensa 67x Series Notebooks contain one of the following LCDs (model dependent): • 12.1-Inch DSTN display • 12.1-Inch TFT display 1.3.1.
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™ Communication Utility for parallel/serial and FIR (IrDA™), 0V Suspend Utility PhDisk
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).
PCMCIA Card options install on the left side of the notebook (Figure 1-5) and are removed using the PCMCIA Release Buttons.
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.
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 CPU Model 670 Pentium P54CSLM, 133 MHz; 3.1 Volt, Internal Hard Disk Drive Disk Storage Capacity Average access time Throughput 1.6 GB, 2.
Table 1-5 Specifications Characteristic Model 670 RS-232-D Serial Port: 9-Pin, male, sub-D-type connector Method Type Bits per second Parity EIA RS-232-D Asynchronous transmission 110, 200, 300, 600, 1200, 2400, 4800, 9600, 19200 Odd, even, mark, space Data check: odd, even READY/BUSY, DC1/DC3 Transmit/Receive Line control Data word 16550 UART Support Selectable Serial Port (BIOS Setup) 7- or 8-bit Yes COM1(IRQ4, 3F8h) COM2(IRQ3, 2F8h) COM3(IRQ4, 3E8h) COM4(IRQ4, 2E8h) Disable Parallel Port EPP/E
1.6.
Chapter 2 Installation 2.1. Introduction This chapter contains unpacking and preparation for use instructions for the Extensa 67x Series Notebook Computers.
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).
7. If installing a second soDIMM, repeat Step 6. 8. Reinstall the Expansion Memory Access Cover using the screw removed in Step 4. 9. 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.
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. Use the following procedure to install a PCMCIA option: 1. Review the installation instructions supplied with the PCMCIA option card(s). 2.
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.
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. When a floppy disk drive is connected to the parallel port, the floppy disk drive in the Modular Bay is disabled, if present.
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).
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: 1. Turn off power to both the notebook and monitor. 2.
2.5.5 Installing the Security Lock Option Use the following procedure to install the optional Kensington® security lock. 1. Unpack the Kensington Lock Kit. 2. Secure the loop end of the lock to a permanent fixture located such that the notebook can be installed in a desired location. 3. Insert the lock into the slot on the left side of the computer. 4. Rotate the key to its locked position and remove the key. This completes the options installation subsection.
2.6. Battery Pack Installation First turn off the computer and disconnect the AC adapter if attached to the computer; then follow these steps: 1. Unlatch the battery compartment door (right front corner of the unit) as shown in Figure 2-7. 2. Slide the battery compartment door out slightly and then swing the door outward as shown in Figure 2-7. 3. If changing batteries, grasp the loop attached to the battery and pull the battery out of the compartment. 4.
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. 1. 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). 2.
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. During self test execution, the computer checks the operation of all key hardware including memory and CPU (and displays copyright and version number data during test execution).
& K D S W H U 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 31). A brief description of the controls and indicators is provided in the following paragraphs.
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. The computer enters Standby mode if the Standby hot key (Fn+F4) is pressed or the STANDBY TIMEOUT parameter in Setup is enabled and expires.
Table 3-2 Summary of Notebook Hot Key Sequences Function Key Sequence Sets the notebook to echo keystrokes to the printer; prints a line when you press Enter; continues until you press Ctrl-P 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 Warm boot Ctrl-Alt-Del Start Windows logo key Activate next taskbar button Windows logo key-Tab Explore the computer Windows logo key-E Find files Windows lo
Chapter 4 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. 4.2.
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. 4.2.2.1 Main Memory The 67x Series Notebooks come standard with 16 MB main memory, expandable to 80 MB.
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. The notebook is equipped with an 1.6 GB or larger hard disk drive.
4.2.8.1 AC Power Adapter The computer is equipped with a universal AC power adapter that converts AC voltage into DC voltage (approx. 46 Watts of power) used to operate the notebook and charge the batteries. The specifications for the AC adapter include: • Input Voltage: 100 to 250 VAC • Input Current: Approximately 1.5 Amps • Input Frequency: 50 to 60 Hz 4.3. Detailed Circuit Theory The remainder of this chapter provides chip-level circuit description for the Extensa Series Notebooks. 4.3.
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.
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.
Figure 4-2 Service Guide M1521 Pin Assignments 4-7
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. This chip also supports the Advanced Programmable Interrupt controller (APIC) interface.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 Figure 4-4 Service Guide Vss BALE SA2 SA1 SA0 SBHEJ M16J LA23 IO16J LA22 IRQ10 LA21 IRQ11 VDD/BAT RTC32KII RTC32KI PWG LA20 LA19 IRQ15 LA18 IRQ14 LA17 MEMRJ DREQ0 Vss MEMWJ DACK5J SD8 DREQ5 SD9 DACK6J SD10 DREQ6 SD11 DACK7J SD12 DREQ7 SD13 VDD SD14 SD15 OSC14M SIRQI SIRQII USBCLK DACK0J DACK1J CPURST SMIJ STPCLKJ Vss ALi M1523 VDD IRQ12 MSCLK KBDATA KBCLK/KB
4.3.
WAKEUP EVENT HANDLER ACTIVITY MONITOR STATE CONTROLLER EL TIMER Timebase PROGRAMABLE APM TIMER x 2 BATTERY MONITOR BUS INTERF ACE OTHER Figure 4-5 Service Guide SMI HANDLER GPIO M6377 Chip Simplified Block Diagram 4-11
Figure 4-6 4-12 M6377 Chip Pinouts Theory of Operation
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.
The pin diagram is shown in Figure 4-7. Pin names in parentheses (…) indicate alternate functions.
A simplified block diagram of the C&T65550 is shown in Figure 4-8.
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.
Figure 4-10 Service Guide TI1130 Chip PCI-to-CardBus (32-bit) Pinouts 4-17
A simplified block diagram of the PCMCIA Controller is shown in Figure 4-11.
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.
• 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: • Software compatible with the PC16550A and PC16450 • MIDI baud rate support
The pin diagram is shown in Figure 4-12.
A simplified block diagram of the Super I/O controller is provided in Figure 4-13. Config.
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.
Chapter 5 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. 5.2.
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. 5.3.
Table 5-1 Display Troubleshooting Guide Problem Description Inverter Board LCD Panel Display Cable Mother Board BIOS Single line on LCD display (horizontal or vertical) Low High Medium Low Low Multiple lines on display (horizontal or vertical) Low Medium Medium Low Low Sections of the display are missing characters Low Medium Medium Low Low Scrambled Display Low Medium Low Medium Medium Intermittent characters on display Low Medium Medium Medium Low Bright display, no vi
Table 5-2 Self Test Error Messages Error Message Diskette read failure strike F1 to try to retry boot Explanation This message indicates the disk is defective or not formatted. Try another known good formatted disk and press F1. Fixed disk failure 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 installed drive type. Ensure that the notebook is configured to boot from the C: Drive.
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 small This message occurs when you add memory. Use the MS-DOS program PHDISK to increase the size of the save-to-disk file. Save-to-disk file is missing Use the MS-DOS program PHDISK to create a new save-to-disk file.
Table 5-3 Self Test Beep Messages Beep Code Port 80h Description 2-4-1 1Ch Bit C, 1ST 64K RAM Failure 2-4-2 1Dh Bit D, 1ST 64K RAM Failure 2-4-3 1Eh Bit E, 1ST 64K RAM Failure 2-4-4 1Fh Bit F, 1ST 64K RAM Failure 3-1-1 20h Slave DMA Register Failure 3-1-2 21h Master DMA Register Failure 3-1-3 22h Master Interrupt Mask Register Failure 3-1-4 23h Slave Interrupt Mask Register Failure None 25h Interrupt Vector Loading In Progress 3-2-4 27h Keyboard Controller Test Failure Non
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.
Chapter 6 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. disk drives, batteries).
6.2.3 Handling the Computer Battery Pack The battery pack furnished with the computer requires reasonable care and handling to ensure efficient operation and maximum life. Periodically inspect the battery terminals and the batteries for evidence of corrosion and oxide build-up; clean if necessary. To ensure that the battery packs endure normal life cycle, always observe the following precautions when handling the battery packs: • Do not drop the battery pack or subject it to excessive shock and vibration.
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.
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: 1. Turn off the computer and disconnect the AC adapter from the computer. 2. Unlatch the battery compartment door (right front corner of the unit) as shown in Figure 6-2. 3.
6.5.2 Removing/Replacing PCMCIA Options The procedure for removing and replacing the PCMCIA options is as follows: 1. Turn off the computer and remove the battery pack as described in Paragraph 6.5.1. 2. 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. 3. To replace the PCMCIA device, remove any filler cards present and insert the device. Reinstall any external cabling required for the device.
6.5.3 Removing/Replacing the Hard Disk Drive Assembly The procedure for removing and replacing the Hard Disk Drive assembly is as follows: 1. Power down the notebook, disconnect the AC adapter, if installed, and remove the battery pack as described in Paragraph 6.5.1. 2. Disconnect any peripheral device interface cables from the external interface connectors and remove any installed PCMCIA options. 3.
6.5.4 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is as follows: 1. 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. 2. Press the Cover Release Latch and open the notebook to a full 180 degree position as shown in Figure 6-6. 3. Slide each of the two display hinge covers out and pull upward to remove from the notebook.
6.5.5 Removing/Replacing Expansion Memory To remove and replace an expansion memory module (soDIMM), perform the following procedure: 1. Power down the notebook, disconnect the AC adapter, and any installed battery packs. 2. Disconnect any peripheral device interface cables from the external interface connectors and remove any installed PCMCIA options. 3. Turn the notebook over and locate the Expansion Memory Access Cover on the bottom of the notebook. 4.
6.5.6 Removing the Heat Sink Assembly Use the following procedure to remove and replace the Heat Sink Assembly: 1. Remove the Keyboard Assembly as described in Paragraph 6.5.4. 2. Remove the two screws that secure the heat plate to the housing as shown in Figure 6-9. 3. Replacement is the reverse of Steps 1 and 2.
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: 1. 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. 2. Refer to Figure 6-10.
6.5.8 FDD/CD-ROM Drive Removal 1. Remove the battery and AC adapter as described in Paragraph 6.5.1. 2. Unlatch the module by pushing the Module Lock (Figure 6-11) toward the unlock icon. 3. Grasp the recessed grip area on the module and pull the module straight out. 4. Reinstall the module by reversing Step 3.
6.5.9 Removing/Replacing the Display Assembly Use the following procedure to remove/replace the display assembly: 1. Remove the battery and AC adapter as described in Paragraph 6.5.1. 2. Refer to Figure 6-12 and remove the two screws that secure the display cable to the Motherboard assembly. Then unplug display cable J19 Figure 6-12 Unplugging the Display Cable 3. Remove the four display hinge screws (Figure 6-13) and separate the Display Assembly from the Base Assembly. 4.
10 Removing/Replacing the Top Cover 1. Separa 2. 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. 1. Remove two screws near display hinge screw holes. 2. Remove 9 screws from the bottom of the unit (1 circled screw is shorter). 3. Unsnap and remove the top cover.
6.5.11 Removing/Replacing FIR/Audio Board Use the following procedure to remove/replace the FIR/Audio Board Assembly: 1. Remove the top cover and fan assemblies as described in Paragraph 6.5.10. 2. Separate the inside frame assembly from the base assembly. 3. Refer to Figure 6-15 and remove the following connectors: • Left Speaker Cable J4 • Internal Microphone Cable J5 • Fan Connector J6 • Right Speaker Cable J7 Figure 6-15 Unplugging Cables on FIR/Audio Board 4.
6.5.12 Removing/Replacing the Fan Assembly To remove and replace the fan assembly, perform the following procedure: 1. Remove the Top Cover Assembly as described in Paragraph 6.5.10. 2. Remove the two screws that secure the cover plate to the FIR/Audio Board. 3. 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). 4. Remove the Fan Assembly. 5. Replacement is the reverse of Steps 1 through 4.
6.5.13 Removing/Replacing the LED Board 1. Remove the Top Cover Assembly as described in Paragraph 6.5.10. 2. Disconnect the LED cable from the Main Board (refer to Figure 6-17). 3. Remove the LED Board Assembly. 4. 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: 1. Remove the Top Cover as described in Paragraphs 6.5.10. 2.
6.5.15 Removing/Replacing the Battery Board 1. Remove the Top Cover Assembly as described in Paragraph 6.5.10. 2. Disconnect the Battery Board Cable from the Main Board (refer to Figure 6-17). 3. Remove the two screws holding the Battery Board and remove the Battery Board Assembly (refer to Figure 6-19). . 4. Replacement is the reverse of Steps 1 through 3.
6.5.16 Removing/Replacing the Charger Board Use the following procedure to remove/replace the Charger Board: 1. Remove the Top Cover as described in Paragraphs 6.5.10 respectively. 2. Separate the inside frame assembly from the base assembly as shown in Figure 6-18. 3. Turn the unit over and remove the screw holding the Charger Board to the inside of the Frame Assembly (Figure 6-20). Remove the Charger Board. 4. To reinstall the Charger Board, reverse the removal procedure.
6.5.17 Removing/Replacing the Motherboard and Keyboard Connection Board Assemblies Use the following procedure to remove/replace the Motherboard Assembly: 1. Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10. 2. Unplug the Battery Board, LED Board Connector as described in paragraph 6.5.12. 4. Refer to Paragraph 6.5.16 and remove the Charger Board Assembly. 5. Remove the five screws that secure the motherboard to the inside assembly frame.
6.5.18 Removing/Replacing the PCMCIA Connector Module Use the following procedure to remove/replace the PCMCIA Connector Module: 1. Remove the Motherboard Assembly as described in Paragraph 6.5.17. 2. Remove the four screws securing the PCMCIA Module to the Motherboard Assembly (refer to Figure 6-22). 3. Replacement is the reverse of Steps 1 through 3.
6.5.19 Removing/Replacing the Touchpad Assembly Use the following procedure to remove/replace the Touchpad Assembly: 1. Remove the Keyboard Assembly as described in Paragraph 6.5.4. 2. Remove the Top Cover Assembly as described in Paragraph 6.5.10. 3. Refer to Figure 6-23; remove the center screw and disconnect the Touchpad cable J1. 4. Remove the Touchpad main sensor and connector unit. 5. Remove the two side screws and remove the metal plate. 6. Lift up and remove the Touchpad buttons. 7.
6.5.20 Removing/Replacing the Display Bezel To remove/replace the Display Bezel, use the following the procedure; 1. Remove the AC adapter and Battery Pack as described in Paragraph 6.5.1. 2. Remove the round LCD bumpers at the top of the display (refer to Figure 6-24). 3. Remove the left and right screws near the display hinges (note that the screw covers are not identical). 4. Remove four screws on the Display Bezel (Figure 6-24). 5.
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; 1. Remove the Display Bezel as described in Paragraph 6.5.20. 2. Gently fold back the foil around the LCD and unplug Inverter Cable CN2 (refer to Figure 6-24). 3. Remove the screws that secure the three Inverter Boards to the display back cover and remove the boards. 4. Replacement is essentially the reverse of Steps 1 through 3. 6.5.
Appendix A 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. A.2. Features Summary The Extensa 67x Series Notebook Computers come standard with a 12.1-inch Super VGA Display, 1.6 or 2.1 GB Hard Drive and is powered by a 150 or 160 MHz Pentium processor.
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) FRU Description Assembly/Disassembly Paragraph Part No. LCD Panel, 12.1", DSTN 6.5.22 56.07469.071 LCD Panel, 12.1", TFT 6.5.22 56.07530.
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 Table A-2 Base Assembly FRUs Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/Disassembly Paragraph Part No. PC Board Assemblies Motherboard 6.5.
Table A-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/Disassembly Paragraph Part No. 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) 6.5.4 90.46907.00W KeyBoard Logic Assembly (Danish) 6.5.
Table A-2 Base Assembly Field-Replaceable Units (FRUs) Base Assembly FRU Description Assembly/Disassembly Paragraph Part No. Right Speaker with cable Ref 23.40015.021 Left Speaker with cable Ref 23.40015.031 Cover, FIR/Audio Board 6.5.11 34.47005.001 Microphone W/Cable Ref 60.47011.001 The motherboard is composed of the following spare parts/ components: Table A-3 Mainboard Spare Parts/Components Mainboard Assembly Component Description Location Part No. CONVERTER DC-DC T62.050 V.
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 TG1 72.71399.23B IC CMOS 74QST3384 QSOP 24P(TI) QS1-9 11 73.03384.L13 IC CMOS CD4066BC SO-N 14P U10 73.04066.091 IC TRANSCEIVER MAX213ECAI SSOP U36 74.00213.0F9 IC V.R PST594CMT SO-N 4P U32 74.00594.031 IC OP LM1458 SO-N 8P U41 74.01458.011 IC PWR SW TPS2013D SO-N 8P U37 38 74.02013.031 IC A.R.
A.4. Jumper Options The remainder of this appendix describes the jumper configuration options for the 670 Series boards.
J18 SW3 DIMM1 SW3 DIMM2 DIMM1 J18 Figure A-5 DIMM2 CD-ROM/FDD lock/unlock switch DIMM slot 2 DIMM slot 1 Feature board connector Main Board Jumper Options (bottom side) U1 J4 U1 SW1 J1 J2 J3 Figure A-6 A-8 SW1 J5 FIR LCD cover switch Mic-in connector Line-in connector Line-out connector J6 J1 J2 J3 J7 J4 J5 J6 J7 Left speaker connector Internal microphone connector Fan connector Right speaker connector FIR/Audio Board Jumper Options Maintenance Data
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.
Figure A- 7 A-10 Main Board Logic Diagrams (Sheet 1 of 36) Maintenance Data
Figure A- 8 Service Guide Main Board Logic Diagrams (Sheet 2 of 36) A-11
Figure A- 9 A-12 Main Board Logic Diagrams (Sheet 3 of 36) Maintenance Data
Figure A- 10 Service Guide Main Board Logic Diagrams (Sheet 4 of 36) A-13
Figure A- 11 A-14 Main Board Logic Diagrams (Sheet 5 of 36) Maintenance Data
Figure A- 12 Service Guide Main Board Logic Diagrams (Sheet 6 of 36) A-15
Figure A- 13 A-16 Main Board Logic Diagrams (Sheet 7 of 36) Maintenance Data
Figure A- 14 Service Guide Main Board Logic Diagrams (Sheet 8 of 36) A-17
Figure A- 15 A-18 Main Board Logic Diagrams (Sheet 9 of 36) Maintenance Data
Figure A- 16 Service Guide Main Board Logic Diagrams (Sheet 10 of 36) A-19
Figure A- 17 A-20 Main Board Logic Diagrams (Sheet 11 of 36) Maintenance Data
Figure A- 18 Service Guide Main Board Logic Diagrams (Sheet 12 of 36) A-21
Figure A- 19 A-22 Main Board Logic Diagrams (Sheet 13 of 36) Maintenance Data
Figure A- 20 Service Guide Main Board Logic Diagrams (Sheet 14 of 36) A-23
Figure A- 21 A-24 Main Board Logic Diagrams (Sheet 15 of 36) Maintenance Data
Figure A- 22 Service Guide Main Board Logic Diagrams (Sheet 16 of 36) A-25
Figure A- 23 A-26 Main Board Logic Diagrams (Sheet 17 of 36) Maintenance Data
Figure A- 24 Service Guide Main Board Logic Diagrams (Sheet 18 of 36) A-27
Figure A- 25 A-28 Main Board Logic Diagrams (Sheet 19 of 36) Maintenance Data
Figure A- 26 Service Guide Main Board Logic Diagrams (Sheet 20 of 36) A-29
Figure A- 27 A-30 Main Board Logic Diagrams (Sheet 21 of 36) Maintenance Data
Figure A- 28 Service Guide Main Board Logic Diagrams (Sheet 22 of 36) A-31
Figure A- 29 A-32 Main Board Logic Diagrams (Sheet 23 of 36) Maintenance Data
Figure A- 30 Service Guide Main Board Logic Diagrams (Sheet 24 of 36) A-33
Figure A- 31 A-34 Main Board Logic Diagrams (Sheet 25 of 36) Maintenance Data
Figure A- 32 Service Guide Main Board Logic Diagrams (Sheet 26 of 36) A-35
Figure A- 33 A-36 Main Board Logic Diagrams (Sheet 27 of 36) Maintenance Data
Figure A- 34 Service Guide Main Board Logic Diagrams (Sheet 28 of 36) A-37
Figure A- 35 A-38 Main Board Logic Diagrams (Sheet 29 of 36) Maintenance Data
Figure A- 36 Service Guide Main Board Logic Diagrams (Sheet 30 of 36) A-39
Figure A- 37 A-40 Main Board Logic Diagrams (Sheet 31 of 36) Maintenance Data
Figure A- 38 Service Guide Main Board Logic Diagrams (Sheet 32 of 36) A-41
Figure A- 39 A-42 Main Board Logic Diagrams (Sheet 33 of 36) Maintenance Data
Figure A- 40 Service Guide Main Board Logic Diagrams (Sheet 34 of 36) A-43
Figure A- 41 A-44 Main Board Logic Diagrams (Sheet 35 of 36) Maintenance Data
Figure A- 42 Service Guide Main Board Logic Diagrams (Sheet 36 of 36) A-45
