Page 2 - Address all correspondence regarding orders to:; Texas Instruments Incorporated
Copyright (©) 1996 Texas Instruments Incorporated All Rights Reserved — Printed in U.S.A. Extensa 57x Series Notebook Computers Maintenance Manual TI Part No. 9811323-0001 Original Issue: May 1996 Changes may be made periodically to the information in this publication.Such changes will be incorp...
Page 3 - Preface; Contents; iii
Contents Preface 1 General Description 1.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.2 . . . . Product Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.3 . . . . International Product Versions . . . . . . . . . . . . . . . . . 1-2 ...
Page 4 - iv
2.5.1 . . . Installing an External Keyboard/Mouse . . . . . . . 2-4 2.5.2 . . . Installing External Parallel Printer . . . . . . . . . . . . 2-6 2.5.3 . . . Installing External Serial Port Device . . . . . . . . . 2-7 2.5.4 . . . Installing External SVGA Monitor . . . . . . . . . . . . 2-8 2.5.5 . ....
Page 6 - vi
6.5.7 . . . Removing and Replacing the LCD Status . . . . . . . Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11 6.5.8 . . . Removing/Replacing the Top Case Assembly . . . . 6-12 6.5.9 . . . Removing/Replacing the Glidepad Assembly . . . . 6-12 6.5.10 . . Removing/Replacin...
Page 7 - Introduction
Preface Introduction This manual provides installation, operation and servicing data for theExtensa 57x Series Notebook Computers. Intended Audience This manual is primarily intended for use by qualified service techniciansbut contains information useful to non-technical users. Contents This manua...
Page 8 - Other Manuals About the System; Extensa; Ordering Parts and Supplies; viii
Other Manuals About the System The following documents provide additional information related to theExtensa 57x Series Notebooks: • Extensa 57x Series Notebook Computer User’s Reference Manual, contains reference information regarding the Extensa 57x seriessoftware. • Windows 95 ® Help (online) ...
Page 9 - 7x Series of Notebook Computers (Figure; Product Models; 5 operating system or Windows 95; Figure 1-1 Extensa 57xSeries Notebook Computer; General Description
1 General Description 1.1 Introduction This manual contains field and factory level servicing information for theTexas Instruments Extensa 57x Series of Notebook Computers (Figure 1-1). This section provides a general overview and specifications for the Extensa57x Series Notebook Computers. 1.2 Pr...
Page 10 - Table 1-1 Extensa 57x Series Notebook Computers; International Product Versions; Table 1-2 Notebook Domestic/International Configurations
Table 1-1 Extensa 57x Series Notebook Computers Features Model 570CD Model 575CD Model 570CDT Model 575CDT 11.3" Dual Scan, SVGAColor LCD X X 10.4" Active Matrix (TFT),SVGA Color LCD X X 1.44 MB Floppy Drive Module X X X X CD-ROM Drive Module X X X X Windows 95 X X X X Application Software X...
Page 11 - Product Overview; Processor and Windows 95 Operating System
1.4 Product Overview All members of the Extensa 57x Series are high performance notebookspowered by the Pentium Processor and Windows 95 Operating System software. As a standard feature, all members of the Extensa 57x family also containthe following features: • 100 MHz Pentium Processor with 16K ...
Page 12 - Figure 1-2 Extensa 57X Series Features
• AC Adapter with autosensing (100 VAC to 240 VAC, 50 to 60 Hz); 36Watts of DC output power. • 8.4 Volt, 4200 mAH capacity, Nickel-Metal Hydride (NiMH) primarybattery pack. • Provisions for secondary 10.8 Volt Lithium-Ion Battery Pack in FloppyDrive cavity (if Floppy Drive or CD ROM Player not insta...
Page 13 - External Ports; -Pin PS/2 Port to attach an external Keyboard or Mouse; Figure 1-3 Notebook External Ports
1.4.1 External Ports As shown in Figure 1-3, the notebook computer contains the followingexternal ports: • Serial Infrared (SIR) Port for wireless connection with a similarlyequipped printer or computer • 9-Pin Serial Port for attaching any RS-232 type serial device to theNotebook • 15-Pin External ...
Page 14 - Using the Special Function (; Fn; ) key which assigns multiple functions to; Glidepad; Figure 1-4 Extensa 57X Series Glidepad
1.4.2 Glidepad Pointing Device All members of the Extensa 57x family feature a built-in glidepad pointingdevice located near the center of the keyboard’s palmrest. With light fingerpressure, the cursor can quickly be positioned to the desired point; a quickdouble tap on the glidepad and you have sel...
Page 15 - Controls and Indicators; Standard Power Features; Note; Figure 1-5 Extensa Keyboard
n Note: The Extensa Series Notebook Computer User’s Reference Manual con- tains descriptions of keyboard special function keys. 1.4.3.1 Controls and Indicators The Extensa 57x contains a Power Button and a Status LCD just above thekeyboard. All notebook functions (except the power On/Off function) a...
Page 16 - Wireless Connection With Serial Infrared Port; Preloaded Software
1.4.5 Wireless Connection With Serial Infrared Port The Extensa Series notebooks are equipped with a Serial Infrared (IR) portthat offers wireless communication with a variety of IRDA compliant devices made by other manufacturers. n Note : Prior to communicating with an external device equipped wi...
Page 17 - Standard Test Features
1.5 Standard Test Features The Extensa Series Notebook Computers use modular design and built-intest features to reduce the mean time to repair. A power on self testprogram automatically verifies the operational state of the primary circuits.Also, the notebook contains a powerful suite of diagnostic...
Page 18 - Cover-Display Assembly; Figure 1-6 Notebook Assemblies
1.6.1 Cover-Display Assembly The Cover -Display Assembly contains the LCD screen and associated highvoltage power supply and video circuitry. The Cover -Display Assemblycontains several field-replaceable components including: • LCD Assembly • Inverter Board • Bezel • Hinge Covers • Internal cables K...
Page 19 - System Base Assembly
1.6.2 System Base Assembly As shown in Figure 1-6, the majority of the notebook’s field replaceableunits (FRUs) are located in the system base assembly. These FRUs include: • Main Board Assembly • Hard Disk Drive Assembly • Up to two Dual Inline Memory Modules • LCD Status Assembly • Floppy Drive Mo...
Page 21 - Agency Approvals
Specifications Models 570CD/575CD Models 570CDT/575CDT Battery Pack Nickel-Metal Hydride,optional Lithium-Ionsecondary battery packoption Nickel-Metal Hydride,optional Lithium-Ionsecondary battery packoption Sound Features 16-bit Stereo Sound, Audioin/out and Microphone Injacks, built in stereospeak...
Page 22 - Unpack the computer using the following instructions:; Installing Notebook Options; Installing Expansion Memory Modules; Installation
2 Installation 2.1 Introduction This section contains unpacking and preparation for use instructions forthe Extensa 57x Series Notebook Computers. 2.2 Unpacking Instructions Unpack the computer using the following instructions: 1. Carefully cut the tape that seals the top flap of the shipping carton...
Page 24 - Installing External Devices
be installed in the removable Floppy/CD-ROM bay. Two switches that usedto remove devices from the option bay are physically located on the bottomof the Notebook. The left-most switch controls removal of the PrimaryBattery Pack and the right-most switch controls removal of the deviceinstalled in the ...
Page 25 - Installing an External Keyboard/Mouse
2.5.1 Installing an External Keyboard/Mouse As shown in Figure 2-2, the notebook has one external PS/2 port on therear of the Notebook for installing a PS/2 compatible device (keyboard,mouse, etc.). Additional PS/2 devices may be installed using the PortExpander option. Pinouts for the PS/2 port on ...
Page 27 - Installing External Parallel Printer; Figure 2-3 Parallel Port Location/Pinouts
2.5.2 Installing External Parallel Printer The Notebook is equipped with a bidirectional, ECC/EPP compatible, 25-pinparallel printer port. The connector pinouts and connector location areshown in Figure 2-3. 1234567891 01 11 21 31 41 51 61 71 81 92 02 12 22 32 42 5 STROBEDATA BIT 0DATA BIT 1DATA BIT...
Page 28 - Installing External Serial Port Device; External Modem; Figure 2-4 Serial Port Location/Pinouts
2.5.3 Installing External Serial Port Device The notebook contains an RS-232 serial port with a male DB-9 connector asshown in Figure 2-4. The serial ports are used to interconnect such devicesas: • External Modem • Serial Printer • Any device that uses an RS-232 interface To connect a printer to th...
Page 29 - Installing External SVGA Monitor; Locate the 15-pin female SVGA port on the Port Adapter.; Figure 2-5 Connecting an External SVGA Monitor
2.5.4 Installing External SVGA Monitor The notebook is capable of driving both its internal LCD display and anexternal SVGA monitor (LCD only, simultaneous, or SVGA only). Theexternal monitor connector pinouts and connector locations are shown inFigure 2-5. To install an external monitor with the no...
Page 30 - Installing SIR Devices; Figure 2-6 Communicating with SIR-Equipped Devices
2.5.5 Installing SIR Devices The Serial Infrared (IR) port offers wireless communication with a variety ofIRDA-compliant devices made by other manufacturers. Ensure that thethird-party manufacturer supplies you with the appropriate IR driversbefore attempting connection. As shown in Figure 2-6, the ...
Page 31 - A C A d a p t e r; Figure 2-7 AC Adapter Installation
2.6 Installing the AC Power Adapter Use the following procedures to connect the AC Adapter to the system: c Caution: Use only the AC Adapter supplied with the computer; otheradapters can damage the unit. 1. Remove the AC adapter from the packaging. Connect the round coaxialconnector on the AC Adapte...
Page 32 - Extensa Series Notebook Computer User’s Reference Manual.
Upon successful conclusion of self test, the computer automatically loads itsoperating system and Windows environment. If self test fails to completeand an error message is displayed, try powering down the computer for acouple of minutes and turning power back on to repeat self test. If the errormes...
Page 33 - For additional operating instructions, refer to the; Notebook Controls and Indicators; key; Figure 3-1 Extensa Series Controls and Indicators; Operating Instructions
3 Operating Instructions 3.1 Introduction This section describes the Extensa 57x Series Notebook operating controlsand indicators. n Note: For additional operating instructions, refer to the Extensa 57x Series Notebook Computer Users Guide. 3.2 Notebook Controls and Indicators The Extensa Series Not...
Page 34 - The notebook contains one button switch above the keyboard: the; Power; Cover Release Latch; Operating Procedures; Extensa 57X Series Notebook Computer User’s Manual; Floppy Drive Operating Procedures; Keep the AC adapter at least 6 inches away from your drive.
3.2.1 LCD Contrast Control The TFT version of the notebook contains no operating controls orindicators. Use the function keys to adjust the contrast and brightness. TFTversions are unaffected by contrast "key" adjustments. 3.2.2 Button Switches The notebook contains one button switch above t...
Page 36 - Installing/Removing PCMCIA Options; PC; Computer Hot Keys
3.3.2 Installing/Removing PCMCIA Options PCMCIA cards are inserted and ejected in much the same way as diskettes: • Up to two Type I or Type II PCMCIA options may be installed in thecompartment on the right side of the notebook. One Type III Option maybe installed in the lower slot. • To insert a PC...
Page 37 - Windows95 Startup diskette; Rebuilding the System Software; Windows 95 Startup
3.3.6 Recharging the Battery Packs A standalone battery charger option is available to charge notebook batterypacks. The battery packs may also be charged in the notebook as follows: 1 . Install the battery pack(s) in your computer (if not already installed). 2 . Connect the AC Adapter as described ...
Page 38 - : For additional operating procedures, refer to to the
n Note : For additional operating procedures, refer to to the Extensa 500 Series Notebook Computer User’s Manual , Texas Instruments Part No. 9803942-0001. 3-6 Operating Instructions
Page 39 - Theory of Operation; Processor/Memory Subsystems
4 Theory of Operation 4.1 Introduction This section describes the notebook theory of operation. 4.2 Notebook Functional Description Functionally, the notebook computer consists of the following majorsubsystems: • Processor and Memory Subsystem • I/O Subsystem • Video Subsystem • Hard Disk Subsystem ...
Page 40 - MAIN BOARD; Figure 4-1 Notebook Functional Block Diagram
DRAM memory, 128 bytes of CMOS RAM (battery backed up) and 256 KB ofFlash ROM for system and video BIOS storage. The basic 8 MB memory system can be expanded to a maximum of 40 MBby the addition of two DIMM memory modules (refer to Section 6 forinstallation details). Tables 4-1 through 4-3 contain t...
Page 41 - Table 4-1 Extensa Series I/O Address Map; Address Range
Table 4-1 Extensa Series I/O Address Map Address Range Device 000-00F DMA Controller 1 020-021 Interrupt Controller 1 022-023 M1429 Registers 040-043 Timer 1 060-06E Keyboard Controller 8742 Chip Select 070-071 Real Time Clock and NMI Mask 080-08F DMA Page Register 0A0-0A1 Interrupt Controller 2 0C0...
Page 44 - Video Subsystem; The major features of the VGA controller include:; External SVGA Drive Capability
• Auto power -down and wake-up modes • Typical current consumption during power -down is less than10A 4.2.3 Video Subsystem The video subsystem, implemented on the Main Board and on the LCDDisplay Unit, displays text, graphics and drives an external SVGA port. Thevideo subsystem is implemented with ...
Page 47 - Table 4-4 Primary Battery Pack Specifications; Function
The power management modes and warnings include the following: • LCD standby mode • Hard disk/CD-ROM standby mode • System standby/suspend mode • Battery-low warning • Standby/suspend upon battery low 4.2.9.2 AC Adapter The notebook uses an AC adapter with built in over voltage and short circuitprot...
Page 49 - Troubleshooting Procedures; General
5 Troubleshooting Procedures 5.1 General This section provides the following information: • Overview of the fault isolation process • Guidelines for isolating computer malfunctions to replaceablesubassemblies • Instructions for executing diagnostics and interpreting error messages. 5.2 Overview of F...
Page 50 - Figure 5-1 Troubleshooting Flowchart
S T A R T C O M P U T E R T R O U B LE I NDI CA T I O N ? D E A D C O M P U T E RS Y M P T O M S ? R U N S E LF T E S T E R RO R M E S S A G E ? M O D E M P R O B L E M ? R U N DI A G NO S T I CS DI A G NO S T I CS E RRO R M S G ? N O Y E S N O Y E S S E E P A RA G R A P H 5. 3. 4 N O Y E S S E E P ...
Page 51 - Try rebooting the system (; Troubleshooting a Power Supply Problem; To fault isolate a power problem, check the following:; button is set to the On position and that the system is not in
• Try rebooting the system ( Ctrl-Alt-Del ); restore system from diskettes, if necessary. • If the computer is capable of running the Setup program; check theserial and parallel port configurations, and other features that mayaffect system operation. • Run Diagnostics to further isolate problem area...
Page 52 - MAIN BOAR D; Figure 5-2 Troubleshooting Block Diagram
• Check to see that the battery pack is installed correctly (try using arecharged battery pack if battery is discharged) • If the AC outlet voltage, AC Adapter, and battery packs test normal butthe computer will not power up, replace the Power Supply Board and/orBattery Board as described in Section...
Page 53 - Troubleshooting a Display Problem; Standby; Fault Isolation Using Self Test
5.3.2 Troubleshooting a Display Problem If the LCD remains blank when you turn on the computer, and the statusICONs light on the Status display panel above the keyboard, check thefollowing controls on the display: • LCD standby mode - If the LCD backlight remains off, even with theContrast Control s...
Page 54 - Fault Isolation Using Diagnostics; function key pressing the
• Faulty phone line - Connect a telephone to the line and listen for a dialtone. • Software program - Check to ensure that you have installed thesoftware correctly. • I/O Address Conflict - The multimedia sound capability of the Extensauses I/O address 220. However, this may conflict with some third...
Page 55 - Diagnostics
allocating and using system memory, IRQ and DMA use, what device driversare installed, what COM and LPT ports are assigned and what ports areavailable, identifying partitioning data for fixed disk drive(s), determiningthe SVGA setup information, reading the software interrupts/interruptvectors, etc....
Page 57 - User Interface to PC-Doctor; Technical Reference Manual for PC-Doctor; Select; Creating a Bootable Floppy Diskette; Command Prompt Only
5.3.5.1 User Interface to PC-Doctor PC-Doctor is structured as a text mode, window user interface withpull-down menus. Program operation requires the use of the following keys: • Cursor Keys - move the highlighted pointer • Enter Key - Selects the highlighted option • Esc Key - Cancels current funct...
Page 59 - Cleaning the Computer; Field Service
6 Field Service 6.1 Introduction This section contains preventive and corrective maintenance procedures forthe Extensa 57x Series Notebook Computers. The first part of the sectiondescribes the computer cleaning procedures and preferred handlingprocedures for sensitive components (e.g. disk drives, b...
Page 60 - Required Tools and Equipment
6.2.3 Handling the Computer Battery Pack The battery pack furnished with the computer requires reasonable care andhandling to ensure efficient operation and maximum life. Periodicallyinspect the battery terminals and the batteries for evidence of corrosion andoxide build-up; clean if necessary. To e...
Page 61 - LCD Cover; Figure 6-1 Cover Display Assembly FRUs
c Caution: All boards, options and peripherals contain components thatare sensitive to static electricity. When handling any of these items,protect against static electricity by using wrist or ankle groundingstraps and grounded working mats. When moving or storing items, usethe anti-static bags supp...
Page 63 - Figure 6-2 Base Assembly FRUs
6.4.2 System Base Assembly As shown in Figure 6-2, the System Base Assembly houses a variety offield-replaceable subassemblies and components. The FRUs and paragraphreferences for removal/replacement procedures are listed in Table 6-2.Table 6-3 contains a listing of Customer (non-technical user) rep...
Page 64 - Item; FRU Description
Table 6-2 Base Assembly, Field-Replaceable Units (FRUs) Item No. FRU Description TI Part No. Ref. Para. No. 1 100MHZ Main Board w/CPU 9811305-0001 6.5.13 2 Power Supply, CPU 9811317-0001 6.5.13 3 Sound\IR Board Assembly (Addr. Sel.) 9811306-0001 6.5.10 4 Power Supply Assembly 9804020-0001 6.5.11 5 H...
Page 65 - CRU Description
Item No. FRU Description TI Part No. Ref. Para. No. 26 Speaker Cable Assembly 9805705-0001 Ref 27 Cable, Button to Glide 9805706-0001 6.5.9 28 Cable, Main Board to Button 9805707-0001 6.5.9 29 Cable, Main Board to Sound Board (2) 9805708-0001 6.5.10 30 Cable, Main Board to Sound Board (4) 9805709-00...
Page 66 - Turn the notebook over and lay the notebook on a flat surface.; ondary battery pack from the floppy drive cavity.
6.5 FRU Removal and ReplacementProcedures The following paragraphs contain field service-level removal/replacementprocedures for the Notebook. c Caution: Prior to removing any of the internal FRUs in the notebook,remove the AC Adapter, battery, floppy and hard drives and all externaloptions installe...
Page 67 - Removing/Replacing the Hard Drive; Replacement is essentially the reverse of Steps 1 through 3.
3. The floppy drive assembly can be further disassembled by removing the Phillips-head screws from the sides of the floppy drive assembly;lifting off the cover and lifting out the floppy drive and cableconnector (ZIF connector type). Unplug the cable at the ZIF connector. 6.5.3 Removing/Replacing th...
Page 68 - Removing/Replacing the Keyboard Assembly; off
6.5.5 Removing/Replacing the Keyboard Assembly The procedure for removing and replacing the keyboard assembly is asfollows: 1 . Power the notebook off ; disconnect the AC Adapter from the notebook (if attached) and remove the battery pack(s) as described in Paragraph6.5.1. 2 . The top edge of the ke...
Page 69 - Removing/Replacing the Display Assembly
6.5.6 Removing/Replacing the Display Assembly To access FRUs in the display assembly, remove the display assembly asdescribed in the following procedure: 1. Remove the keyboard assembly as described in Paragraph 6.5.5. 2 . Lean the LCD partially back (do not lean the LCD completely back as it may ca...
Page 70 - Removing/Replacing the Top Case Assembly; Do Not; Removing/Replacing the Glidepad Assembly
6 . Lift the status LCD assembly out of the unit. 7 . Reinstallation of the status LCD assembly is the reverse of Steps 1through 6. 6.5.8 Removing/Replacing the Top Case Assembly To remove and replace the top case assembly assembly, perform thefollowing procedure: 1 . Remove the keyboard assembly as...
Page 71 - Removing/Replacing the Power Supply Board
2 . Some versions of the IR/sound board contain two cables that connectto the left side of the main board. Disconnect these cables, if present. 3 . Remove three screws that hold the IR/sound board to the unit (twoscrews are located at the rear which secure a rear bezel and onescrew is in the front)....
Page 72 - Removing/Replacing HDD Connector Board; Figure 6-4 Replacing the Main Board Assembly
4 . Lift up on the front edge of the main board until it clears the batterycavity; then pull the main board forward and out of the plastics. 5 . Reassembly is the reverse of steps 1 through 4 above. 6.5.14 Removing/Replacing HDD Connector Board To remove and replace the HDD connector board Assembly,...
Page 73 - Removing/Replacing Inverter Board; Remove the top case assembly as described in Paragraph 6.5.8.
6.5.15 Removing/Replacing Inverter Board To remove and replace the inverter board assembly, perform the followingprocedure: c Caution: Prior to removing the LCD bezel, ensure that the AC adapteris disconnected and that all internal battery packs are removed. Fail-ure to observe this precaution could...
Page 74 - Table A-1 Self Test Error Messages; Error Message; Error Messages
Appendix A Self Test Error Messages A.1 Introduction This appendix contains reference data useful in diagnosing and correcting self testerrors. Table A-1 Self Test Error Messages Error Message Corrective Action CMOS Battery Bad Replace main board CMOS Checksum Error Cycle power to Notebook; ifproble...
Page 75 - Table A-2 POST Checkpoint List
Error Message Corrective Action Keyboard Interface Error Cycle Power to Notebook; if prob-lem persists, check keyboard cableconections to main board; ifproblem persists, replace keyboardand or main board. Memory Size Mismatch Enter and then exit the SystemConfiguration Setup in the Setuputility. Mis...
Page 79 - PC-Doctor Diagnostics
B PC-Doctor Diagnostics B.1 Introduction The Extensa Series Notebooks are shipped with PC-Doctor, a powerful diagnosticstool that can help you determine the hardware configuration of a local or remotesystem, benchmark its performance, analyze the performance of all subsystems,and perform a suite of ...
Page 80 - Keyboard Navigation; Table B-2 Test Selection Menu Special Keys; Mouse Navigation; Key
B.3 Keyboard Navigation The keys shown in Table B-1 can be used to navigate through the PC-Doctor menus: Table B-1 PC-Doctor Key Assignments In addition, when you select All Tests from the Diagnostics menu, the Test Selection Menu that appears uses the keys listed in Table B-2: Table B-2 Test Select...
Page 81 - - tests external loopback of COM and LPT ports.
B.5 PC-Doctor Menus There are several selections available from the menu bar of the PC-DoctorDiagnostics main menu. These include: • Diagnostics • Interactive Tests • Hardware Info • Utility • Quit B.5.1 Online Help (?) To obtain context sensitive help from any menu, press F1 . Pressing F1 twice (or...
Page 83 - Utility Menu
• IRQ and DMA use - identifies interrupts for all standard IRQ and DMA devices • Device Drivers - shows all essential data on DOS resident and installable devicedrivers • COM and LPT ports - displays information about the installed serial andparallel ports. Only ports that are identified by BIOS are...
Page 84 - Remote Operation
B.6 Quitting PC-Doctor You can quit PC-Doctor in the following ways: • Exit (Alt-F4 ) - • Reboot - performs a cold boot. PC-Doctor flushes all files and attempts to flush write-caches • Park HD - prepares a computer for transport B.7 Remote Operation This selection only appears in the Utility menu i...