Texas Instruments 570CD - Manuals

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...

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...

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) ...

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...

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...

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 ...

• 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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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 ...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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 ...

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

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 ...

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...

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...

• 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 ...

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...

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...

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 ...

• 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...

• 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...

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...

• 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...

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....

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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)....

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,...

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...

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...

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...

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 ...

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...

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...

• 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...

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...