Texas Instruments EXTENSA 570CD User Manual

Maintenance ManualExtensa 57x SeriesNotebook Computers9811323-0001May 1996

Table 1-1 Extensa 57x Series Notebook ComputersFeatures Model570CDModel575CDModel570CDTModel575CDT11.3" Dual Scan, SVGAColor LCDXX10.4" Acti

1.4Product OverviewAll members of the Extensa 57x Series are high performance notebookspowered by the Pentium Processor and Windows 95 Operating Syst

•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) p

1.4.1External PortsAs shown in Figure 1-3, the notebook computer contains the followingexternal ports:•Serial Infrared (SIR) Port for wireless connect

1.4.2Glidepad Pointing DeviceAll members of the Extensa 57x family feature a built-in glidepad pointingdevice located near the center of the keyboard’

nNote: The Extensa Series Notebook Computer User’s Reference Manual con-tains descriptions of keyboard special function keys.1.4.3.1 Controls and Indi

1.4.5Wireless Connection With Serial Infrared PortThe Extensa Series notebooks are equipped with a Serial Infrared (IR) portthat offers wireless commu

1.5Standard Test FeaturesThe Extensa Series Notebook Computers use modular design and built-intest features to reduce the mean time to repair. A powe

1.6.1Cover-Display AssemblyThe Cover-Display Assembly contains the LCD screen and associated highvoltage power supply and video circuitry. The Cover-D

1.6.2 System Base AssemblyAs shown in Figure 1-6, the majority of the notebook’s field replaceableunits (FRUs) are located in the system base assembly

Copyright (©) 1996 Texas Instruments IncorporatedAll Rights Reserved — Printed in U.S.A.Extensa 57x Series Notebook ComputersMaintenance ManualTI Pa

Table 1-3 Extensa 57x Notebook FeaturesSpecifications Models 570CD/575CDModels570CDT/575CDTProcessorPentium 100 MHz Pentium 100 MHzMemory:Standard:8 M

Specifications Models 570CD/575CDModels570CDT/575CDTBattery PackNickel-Metal Hydride,optional Lithium-Ionsecondary battery packoptionNickel-Metal Hydr

2Installation 2.1IntroductionThis section contains unpacking and preparation for use instructions forthe Extensa 57x Series Notebook Computers.2.2 Un

1. Ensure that the notebook is powered off and that the AC Adapter andinternal battery pack(s) is (are) removed from the notebook.2. Remove

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 t

2.5.1Installing an External Keyboard/MouseAs shown in Figure 2-2, the notebook has one external PS/2 port on therear of the Notebook for installing a

To install an external keyboard or external PS/2 mouse on the notebook,use the following procedure:1. Ensure that the notebook is powered off.2. Loca

2.5.2Installing External Parallel PrinterThe Notebook is equipped with a bidirectional, ECC/EPP compatible, 25-pinparallel printer port. The connector

2.5.3Installing 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 p

2.5.4Installing External SVGA MonitorThe notebook is capable of driving both its internal LCD display and anexternal SVGA monitor (LCD only, simultane

ContentsPreface 1 General Description1.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11.2 . . . . Product

2.5.5Installing SIR DevicesThe Serial Infrared (IR) port offers wireless communication with a variety ofIRDA-compliant devices made by other manufactu

2.6Installing the AC Power AdapterUse the following procedures to connect the AC Adapter to the system:cCaution: Use only the AC Adapter supplied with

Upon successful conclusion of self test, the computer automatically loads itsoperating system and Windows environment. If self test fails to completea

3Operating Instructions 3.1IntroductionThis section describes the Extensa 57x Series Notebook operating controlsand indicators.nNote: For additional

3.2.1LCD Contrast ControlThe TFT version of the notebook contains no operating controls orindicators. Use the function keys to adjust the contrast and

•Insert the floppy into the floppy drive slot with the label side up and themetal-shutter end first. Gently push the floppy into the floppy drive slot

3.3.2 Installing/Removing PCMCIA OptionsPCMCIA cards are inserted and ejected in much the same way as diskettes:•Up to two Type I or Type II PCMCIA op

3.3.6Recharging the Battery PacksA standalone battery charger option is available to charge notebook batterypacks. The battery packs may also be charg

nNote: For additional operating procedures, refer to to the Extensa 500 SeriesNotebook Computer User’s Manual, Texas Instruments Part No. 9803942-0001

4Theory of Operation4.1IntroductionThis section describes the notebook theory of operation.4.2Notebook Functional DescriptionFunctionally, the noteboo

2.5.1 . . . Installing an External Keyboard/Mouse . . . . . . . 2-42.5.2 . . . Installing External Parallel Printer . . . . . . . . . . . . 2-62.5.3

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 ex

Table 4-1 Extensa Series I/O Address MapAddress Range Device000-00F DMA Controller 1020-021 Interrupt Controller 1022-023 M1429 Registers040-043 Ti

Table 4-2 DMA ChannelsController Channel Address Function1 0 0087 Spare1 1 0083 Spare1 2 0081 Diskette1 3 0082 Spare2 4 Cascade Cascade2 5 008B Spare

Priority InterruptNumberInterrupt Source17 IRQ7 Parallel PortnNote: A PCMCIA card can use IRQ 3, 4, 5, 7, 9 and 11 as long as it does notconflict with

• Auto power-down and wake-up modes• Typical current consumption during power-down is less than10A4.2.3 Video SubsystemThe video subsystem, implemente

cCaution: Formatting the disk drive erases any data that may be storedon the disk. Therefore do not attempt a format of the hard disk unlessthe comput

• Two I/O windows per socket• Programmable card access cycle timing• 8- or 16-bit CPU interface• 8- or 16-bit PCMCIA interface support• ATA disk inter

The power management modes and warnings include the following:•LCD standby mode•Hard disk/CD-ROM standby mode•System standby/suspend mode•Battery-low

4.2.9.4 DC-DC Converter/Battery Charger CircuitThe power supply board includes two DC-DC Converter circuits and abattery charging circuit that operate

5Troubleshooting Procedures5.1GeneralThis section provides the following information:•Overview of the fault isolation process•Guidelines for isolating

4.2.4 . . . Hard Disk Subsystem . . . . . . . . . . . . . . . . . . . . . 4-64.2.5 . . . Floppy Diskette Drive Subsystem. . . . . . . . . . . . . 4-74

STARTCOMPUTERTROUBLEINDICATION?DEADCOMPUTERSYMPTOMS?RUNSELF TESTERRORMESSAGE?MODEMPROBLEM?RUNDIAGNOSTICSDIAGNOSTICSERROR MSG?NOYESNOYESSEE PARAGRAPH5.

•Try rebooting the system (Ctrl-Alt-Del); restore system from diskettes, ifnecessary.•If the computer is capable of running the Setup program; check t

•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

5.3.2Troubleshooting a Display ProblemIf the LCD remains blank when you turn on the computer, and the statusICONs light on the Status display panel ab

•Faulty phone line - Connect a telephone to the line and listen for a dialtone.•Software program - Check to ensure that you have installed thesoftware

allocating and using system memory, IRQ and DMA use, what device driversare installed, what COM and LPT ports are assigned and what ports areavailable

• Other devices (Sound card, PCMCIA options, etc.)Interactive TestsThe PC-Doctor diagnostic test includes a suite of seven Interactive tests thatrequi

5.3.5.1 User Interface to PC-DoctorPC-Doctor is structured as a text mode, window user interface withpull-down menus. Program operation requires the

5.3.5.3 Running PC-DoctorPC-Doctor is a DOS-resident program that can be run from either hard diskor from the bootable diskette you previously create

6Field Service6.1IntroductionThis section contains preventive and corrective maintenance procedures forthe Extensa 57x Series Notebook Computers. The

6.5.7 . . . Removing and Replacing the LCD Status . . . . . . . Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-116.5.8 . . .

6.2.3Handling the Computer Battery PackThe battery pack furnished with the computer requires reasonable care andhandling to ensure efficient operation

cCaution: All boards, options and peripherals contain components thatare sensitive to static electricity. When handling any of these items,protect aga

Table 6-1 Cover Display Assembly, Field-Replaceable Units (FRUs)Item No.FRU Description TI Part No. ReferenceParagraphNo.01 Inverter Board, TFT/DSSTN

6.4.2System Base AssemblyAs shown in Figure 6-2, the System Base Assembly houses a variety offield-replaceable subassemblies and components. The FRUs

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 6.5.132

Item No.FRU Description TI Part No.Ref. Para.No.26 Speaker Cable Assembly 9805705-0001 Ref27 Cable, Button to Glide 9805706-0001 6.5.928 Cable, Main B

6.5FRU Removal and ReplacementProceduresThe following paragraphs contain field service-level removal/replacementprocedures for the Notebook.cCaution:

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

6.5.5 Removing/Replacing the Keyboard AssemblyThe procedure for removing and replacing the keyboard assembly is asfollows:1. Power the notebook off; d

6.5.6Removing/Replacing the Display AssemblyTo access FRUs in the display assembly, remove the display assembly asdescribed in the following procedure

PrefaceIntroductionThis manual provides installation, operation and servicing data for theExtensa 57x Series Notebook Computers.Intended AudienceThis

6. Lift the status LCD assembly out of the unit.7. Reinstallation of the status LCD assembly is the reverse of Steps 1through 6.6.5.8Removing/Replaci

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. Remov

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. Reassem

6.5.15Removing/Replacing Inverter BoardTo remove and replace the inverter board assembly, perform the followingprocedure:cCaution: Prior to removing t

Appendix ASelf Test Error MessagesA.1IntroductionThis appendix contains reference data useful in diagnosing and correcting self testerrors.Table A-1

Error Message Corrective ActionKeyboard Interface Error Cycle Power to Notebook; if prob-lem persists, check keyboard cableconections to main board; i

CheckpointNo.DescriptionD4h Normal POST startFCh CMOS and BIOS ROM checksum test skip orcomplete01h 80286 register test in-progress02h CMOS write/read

CheckpointNo.DescriptionD4h Normal POST start35h Shutdown test in-progress or failure36h Gate A20 failure37h Unexpected interrupt in protected mode38h

CheckpointNo.DescriptionD4h Normal POST startE0h Shadow PCI non-VGA option ROME1h Shadow PCI VGA option ROM to C000 segmentE3h Start to find PCI optio

BPC-Doctor DiagnosticsB.1IntroductionThe Extensa Series Notebooks are shipped with PC-Doctor, a powerful diagnosticstool that can help you determine t

Other Manuals About the SystemThe following documents provide additional information related to theExtensa 57x Series Notebooks:•Extensa 57x Series

B.3Keyboard NavigationThe keys shown in Table B-1 can be used to navigate through the PC-Doctor menus:Table B-1 PC-Doctor Key AssignmentsIn addition,

B.5PC-Doctor MenusThere are several selections available from the menu bar of the PC-DoctorDiagnostics main menu. These include:•Diagnostics•Interacti

PC-Doctor produces a test result file at the end of testing if an error wasdetected.•Switch LCD - lets you change your video output to either the inte

•IRQ and DMA use - identifies interrupts for all standard IRQ and DMA devices•Device Drivers - shows all essential data on DOS resident and installabl

B.6Quitting PC-DoctorYou can quit PC-Doctor in the following ways:•Exit (Alt-F4) - •Reboot - performs a cold boot. PC-Doctor flushes all files and at

Printed in U.S.A.

1General Description1.1IntroductionThis manual contains field and factory level servicing information for theTexas Instruments Extensa 57x Series o