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Texas Instruments Extensa 570CD Maintenance Manual Download Page 73

6.5.15

Removing/Replacing Inverter Board

To remove and replace the inverter board assembly, perform the following
procedure:

c

Caution: Prior to removing the LCD bezel, ensure that the AC adapter
is disconnected and that all internal battery packs are removed. Fail-
ure to observe this precaution could expose you to dangerous high 
voltages.

1

.

Remove the top case assembly as described in Paragraph 6.5.8. 

2

.

Remove the main board assembly as described in Paragraph 6.5.13.

3

.

Turn the main board over and lay on a flat surface.

4

.

Unplug the speaker cable assembly connected to the display interface
board.

5

.

Remove the four rubber screw covers and the four screws beneath the
covers.

6

.

Pull on the inside edges of the bezel to remove it starting with the
bottom of the bezel.

7

.

Disconnect the connectors at the top and bottom of the inverter board.

8

.

Use a small Phillips-head screwdriver to remove the two screws 
holding the inverter board to the plastics. Remove the inverter board.

9

.

To replace the inverter board, reverse Steps 1 through 8.

 

Field Service   

6-15  

Summary of Contents for Extensa 570CD

Page 1: ...Maintenance Manual Extensa 57x Series Notebook Computers 9811323 0001 May 1996 ...

Page 2: ...uding TI products cannot replace sound judgment nor make the manager s business decisions Consequently TI cannot warrant that its products are suitable for any spe cific customer application The manager must rely on judgment of what is best for his or her business Address all correspondence regarding orders to Texas Instruments Incorporated P O Box 6102 M S 3255 Temple Texas 76503 Extensa and Dock...

Page 3: ...ansion Capabilities 1 8 1 5 Standard Test Features 1 9 1 6 Notebook Assemblies and Subassemblies 1 9 1 6 1 Cover Display Assembly 1 10 1 6 2 System Base Assembly 1 11 1 7 Extensa 57x Series Notebook Specifications 1 11 1 8 Agency Approvals 1 13 2 Installation 2 1 Introduction 2 1 2 2 Unpacking Instructions 2 1 2 3 Installing Notebook Options 2 1 2 3 1 Installing Expansion Memory Modules 2 1 2 3 2 ...

Page 4: ... 3 1 3 2 1 LCD Contrast Control 3 2 3 2 2 Button Switches 3 2 3 2 3 Cover Release Latch 3 2 3 2 4 Glidepad Controls 3 2 3 3 Operating Procedures 3 2 3 3 1 Floppy Drive Operating Procedures 3 2 3 3 2 Installing Removing PCMCIA Options 3 4 3 3 3 Computer Hot Keys 3 4 3 3 4 Responding to Low Battery Conditions 3 4 3 3 5 Minimizing Power Usage 3 4 3 3 6 Recharging the Battery Packs 3 5 3 3 7 Condition...

Page 5: ... 6 Field Service 6 1 Introduction 6 1 6 2 Preventive Maintenance 6 1 6 2 1 Cleaning the Computer 6 1 6 2 2 Protecting the Disk Drives 6 1 6 2 3 Handling the Computer Battery Pack 6 2 6 2 4 Restoring System Software 6 2 6 3 Required Tools and Equipment 6 2 6 4 Notebook Field Replaceable Parts and Assemblies 6 3 6 4 1 Cover Display Assembly 6 3 6 4 2 System Base Assembly 6 5 6 5 FRU Removal and Repl...

Page 6: ...Removing Replacing the Main Board 6 13 6 5 14 Removing Replacing HDD Connector Board 6 14 6 5 15 Removing Replacing Inverter Board 6 15 A Self Test Error Messages A 1 Introduction A 1 B PC Doctor Diagnostics B 1 Introduction B 1 B 2 Starting PC Doctor B 1 B 3 Keyboard Navigation B 2 B 4 Mouse Navigation B 2 B 5 PC Doctor Menus B 3 B 5 1 Online Help B 3 B 5 2 Diagnostics B 3 B 5 3 Interactive Tests...

Page 7: ...fications Section 2 Installation Describes how to unpack install options and cable up the notebook computer in a desktop environment Section 3 Operating Instructions Describes the notebook operating controls and indicators and basic operating procedures Section 4 Theory of Operation Describes the theory of operation for Extensa 57x Series Notebook Computers Section 5 Troubleshooting Procedures Pro...

Page 8: ...ser s Reference Manual contains reference information regarding the Extensa 57x series software Windows 95 Help online PC Doctor Help and Technical Reference online Ordering Parts and Supplies To order a copy of any TI publication or to order option kits spare parts or supplies for your system contact your TI Reseller or Telephone Toll free 1 800 TI TEXAS viii Preface ...

Page 9: ...Table 1 1 summarizes the features shipped with the notebook for the product models initially available in the Extensa 57x family of notebook computers The product models offer a choice of either 11 3 inch dual scan color or 10 4 inch active matrix color LCD and a choice of either the basic Windows 95 operating system or Windows 95 plus application software Other options include choice of 810 milli...

Page 10: ... 1200 Million Bytes X X 1 3 International Product Versions The Extensa 57x Series Notebooks are available in domestic and international configurations as listed in Table 1 2 Table 1 2 Notebook Domestic International Configurations Configuration P N Suffix Configuration P N Suffix Domestic 0001 Swedish 0010 UK 0002 Swiss French 0011 German 0003 Danish 0012 French 0004 Norwegian 0013 Spanish 0005 Fi...

Page 11: ...accepts one Type I II option and the second slot accepts either a Type I II or III device Ergonomic keyboard with palm rest 2 7 mm travel built in glidepad pointing device and palm rest below the keyboard Built in support for a CD ROM drive 4X or 6X speed Built in 16 bit stereo sound system including stereo speakers and internal microphone Removable 3 5 inch 1 44 MB Floppy Drive interchangeable wi...

Page 12: ...g EPP ECP Parallel Port Serial Port External VGA Port PS 2 Port and Serial Infrared Port All Models of the 57x family include Audio In Out and Microphone In jacks Full function Keyboard Power ON OFF Button Status LCD Display Cover Release Latch Glidepad Mouse Device PCMCIA Type I II Option Power Input from AC Adapter TFT or Dual Scan Color Display Assembly Mouse Select Switches PCMCIA Type III or ...

Page 13: ...al device to the Notebook 15 Pin External VGA Monitor Port for attaching an external monitor 6 Pin PS 2 Port to attach an external Keyboard or Mouse Audio In Out and External Microphone Input Expansion Bus Port for attaching an external expansion system Serial Infrared Port Audio Line In Out Mic In Parallel Port Serial Port External VGA Port Connector for External Expansion System PS 2 Port Figure...

Page 14: ... Extensa 57x Series Keyboard is a full function keyboard with the standard character and function keys plus 12 programmable function keys F1 through F12 Using the Special Function Fn key which assigns multiple functions to keys the keyboard can emulate IBM 101 102 keyboards The notebook keyboard is available in two basic versions U S English This version also known as the domestic version is gener...

Page 15: ... from the Notebook All members of the Extensa 57x family feature a power management subsystem hardware and software that provides for longer portable operation and protection of files during low battery conditions n Note The Nickel Metal Hydride NiMH battery requires periodic battery con ditioning in order to charge to full capacity To accomplish this remove the AC Adapter and the secondary batter...

Page 16: ...ome standard with the following application packages installed Microsoft Works Quicken SE Lotus Organizer Microsoft Entertainment Pack No 4 1 4 7 Notebook Expansion Capabilities Expansion capabilities built into the Extensa notebook series include User installable expansion RAM memory to a maximum of 40 MB By removing the floppy drive you can add either a second battery pack or CD ROM Drive Cable ...

Page 17: ...sts called PC Doctor described in detail in Appendix B that can perform additional levels of diagnostic testing 1 6 Notebook Assemblies and Subassemblies The Extensa Series Notebooks are modular in design and can be disassembled for maintenance purposes using a standard set of flat bladed Phillips head and hexagonal screwdrivers The major assemblies that comprise a typical notebook in the Extensa ...

Page 18: ...ains several field replaceable components including LCD Assembly Inverter Board Bezel Hinge Covers Internal cables Keyboard Assembly Glidepad Assembly IR Sound Board Power Supply Board Display Cable Interface Board Main Board Inverter Board Display Assembly Floppy Drive CD ROM Bay Status LCD Assembly Display Assembly Figure 1 6 Notebook Assemblies 1 10 General Description ...

Page 19: ...mbly Up to two Dual Inline Memory Modules LCD Status Assembly Floppy Drive Module IR Sound Board Assembly Power Supply Board Assembly Battery Pack Assembly Top Case Assembly Glidepad Assembly Keyboard Assembly CMOS Battery Assembly HDD Connector Board Assembly 1 7 Extensa 57x Series Notebook Specifications Specifications for the Extensa 57x Series Notebooks are provided in Table 1 3 General Descri...

Page 20: ... 1 MB Video Bus PCI Bus with Graphics Accelerator PCI Bus with Graphics Accelerator Keyboard Pointing Device Ergonomic Keyboard Yes Yes Built In Glidepad Yes Yes Storage Floppy Drive Module 3 5 inch 1 44 MB 3 5 inch 1 44 MB Hard Drive 810 Million Bytes 1200 Million Bytes CD ROM Drive 4X or 6X Speed 4X or 6X Speed Interfaces Serial RS 232 Port Yes Yes Parallel Port EPP ECP Yes Yes External VGA Port...

Page 21: ...kgroups Yes Model 570CD only Yes Model 570CDT only Physical Characteristics Weight Approx 6 2 Pounds Approx 6 2 Pounds Dimensions 11 7 L X 1 7 H X 8 2 W 11 7 L X 1 7 H X 8 2 W NOTE Only one module Floppy Drive CD ROM or second Battery may be installed in the notebook at any given time NOTE Weight specifications do not include Floppy Drive CD ROM drive AC Adapter or second battery option 1 8 Agency...

Page 22: ... n Note Save the shipping containers and packaging for later reuse 2 3 Installing Notebook Options If you have no options to install at this time skip to Paragraph 2 4 Otherwise continue with Paragraph 2 3 1 2 3 1 Installing Expansion Memory Modules n Note If not installing RAM Expansion option at this time skip to the next paragraph c Caution The Dual Inline Memory Module contains components that...

Page 23: ...sion memory module installation procedure 2 3 2 Installing PCMCIA Options The Notebook has provisions for two Type I or II options or one Type III PCMCIA option card 1 Review the installation instructions supplied with the PCMCIA option card s 2 Open the PCMCIA compartment cover on the right side of the notebook 3 To insert a PCMCIA card align the card with the socket and slide the card into the s...

Page 24: ...Notebook 3 Insert a new or recharged battery pack into the battery compartment bay Make sure that the contacts are facing up and to the rear of the compartment c Caution There is danger of explosion if the battery is incorrectly re placed Replace the battery only with the same or an equivalent type recommended by the manufacturer Discard used batteries according to the manufacturer s instructions ...

Page 25: ...ice keyboard mouse etc Additional PS 2 devices may be installed using the Port Expander option Pinouts for the PS 2 port on the rear of the Notebook are also provided in Figure 2 2 Serial Infrared Port Audio Line In Out Mic In Parallel Port Serial Port External VGA Port Connector for External Expansion System PS 2 Port Figure 2 1 I O Connector Locations 2 4 Installation ...

Page 26: ...red off 2 Locate the external PS 2 port at the rear of the notebook refer to Figure 2 2 3 Attach the PS 2 cable from your mouse and or keyboard cable to the PS 2 port 4 Power on any other peripheral devices you may have connected to the notebook and then power up the notebook Figure 2 2 PS 2 Port Assignments Pinouts Installation 2 5 ...

Page 27: ...15 16 17 18 19 20 21 22 23 24 25 STROBE DATA BIT 0 DATA BIT 1 DATA BIT 2 DATA BIT 3 DATA BIT 4 DATA BIT 5 DATA BIT 6 DATA BIT 7 ACKNOWLEDGE BUSY PAPER OUT SELECT AUTO LINEFEED ERROR INITIALIZE PRINTER SELECT IN GROUND GROUND GROUND GROUND GROUND GROUND GROUND GROUND PIN SIGNAL PARALLEL PORT PINOUTS NOTE ACTIVE LOW 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 Figure 2 3 Paralle...

Page 28: ...on Never connect a parallel device to a serial port or a serial de vice to a parallel port or video port this may cause damage to the Note book and or peripheral device If you are uncertain of what type connector the external device has refer to the technical manual for the external device 1 2 3 4 5 6 7 8 9 SERIALPORT PINOUTS 1 2 3 4 5 6 7 8 9 DCD CARRIER DETECT RXD RECEIVE DATA TXD TRANSMIT DATA ...

Page 29: ...rt on your notebook If the monitor cable connectors have retaining screws tighten them down 4 If necessary connect the monitor power cable to the monitor and plug the monitor power cable into an electrical outlet 5 Power on the monitor as well as any other peripheral devices connected to the notebook then power up the notebook 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 RED VIDEO GREEN VIDEO BLUE VIDEO NO...

Page 30: ...facturer supplies you with the appropriate IR drivers before attempting connection As shown in Figure 2 6 the Notebook SIR port is located just above the serial port connector on the rear of the notebook Align this port with the SIR port on a printer notebook or other device equipped with an SIR port Serial Infrared Port Figure 2 6 Communicating with SIR Equipped Devices Installation 2 9 ...

Page 31: ...wer cord to the AC Adapter and connect the male end to a grounded AC outlet 2 7 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 set the power switch on the notebook to the On position which initiates the notebook self test During self test execution the computer checks the o...

Page 32: ...tebook begins unzipping files and preparing the software for use After initial installation and the timeout occurs the demo may begin To stop the demo move the cursor to the center of the screen and click the left mouse button A number of demo options are then available 2 9 Making Backups of System Software The Notebook is preloaded with Windows 95 operating system software Prior to extended use o...

Page 33: ...books are equipped with the following controls and indicators Alternate action Power Button in the upper left corner above the keyboard Status LCD centered above the keyboard ICONs are used to convey status information refer to Figure 3 1 Embedded special function keys in the keyboard including Contrast and Brightness Control are activated by the Fn key Power Button Status LCD Display Glidepad Mou...

Page 34: ...in mouse device called the glidepad physically located at the base of the keyboard refer to Figure 3 1 The cursor is positioned by touching and dragging your finger in the direction you want the cursor to go The select functions are performed either by tapping the glidepad or by pressing the two buttons switches at the bottom of the keyboard You can change the operation of the pad by changing valu...

Page 35: ...he floppy pops out Never force open the access shutter on a floppy Always remove a floppy from the floppy drive before turning off the computer Never transport the computer with a floppy in the floppy drive Doing so can damage the drive head If a floppy appears to be damaged try to make a copy of it and immediately discard it Keep all floppies when not in use in a disk storage box to protect them ...

Page 36: ...otify you when you are reaching a low battery condition by performing the following actions One beep every 10 seconds unless battery warning is disabled The battery low warning is automatically disabled when the AC Adapter is installed on the notebook regardless of the charge condition of the battery pack If the AC adapter is not plugged in within three minutes of a detected battery low condition ...

Page 37: ...pter if installed 2 Power up the computer and leave it on until the primary battery is completely discharged then reconnect the AC adapter and fully charge the battery Reinstall the secondary battery in the Floppy Bay if using a secondary battery pack 3 3 8 Restoring Missing System Files When you power up the Notebook it automatically checks for certain key files that must be present for normal sy...

Page 38: ...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: ... 57x Series Notebook is shown in Figure 4 1 4 2 1 Processor Memory Subsystems The Processor function housed on the Main Board is implemented with the Intel Pentium Processor P54C LM The processor operates in conjunction with RAM and ROM Memory on the Memory Board and other control logic on the Main Board to process software instructions BIOS Windows 95 and Applications Primary control for the Proc...

Page 40: ...ALLEL PRINTERPORT Super I O Controller RS232 SERIALPORT Drivers Receivers Expansion Bus Connector PCMCIA Adapter UM8365A SIR Interface PCMCIA Option Slot s Pentium Processor P54C LM IR Sound Board DRAM 2 Bank PCI Bus Cache MEMORY DBC 82C556 Audio IN OUT Mic In CPU Data System Controller 82C557 CPU Address IPC Memory Data EXTERNAL SVGA MONITOR Input From AC Adapter Battery Packs Video Controller IN...

Page 41: ...F DMA Page Register 0A0 0A1 Interrupt Controller 2 0C0 0DF DMA Controller 2 1F0 1F7 Hard Disk Select 178 17A 6377 Registers 1F0 1F7 Hard Disk Select 3F6 3F7 278 27F Parallel Port 3 35F 36F Special I O Ports 378 37A Parallel Port 2 3BC 3BE Parallel Port 1 3C0 3C5 3C6 3C9 Video DAC 3C0 3CF Enhanced Graphics Display 3D0 3DF Color Graphics Adapter 3E0 3E1 PCMCIA Controller 3F0 3F7 Floppy Disk Controll...

Page 42: ...r management unit 2 NMI Parity Error Detected I O Channel Error 3 IRQ0 Interval Timer Counter 0 Output 4 IRQ1 Keyboard IRQ 2 Interrupt from controller 2 cascade 5 IRQ8 Real Time Clock 6 IRQ 9 Cascaded to INT 0AH IRQ 2 7 IRQ10 Reserved 8 IRQ 11 Reserved 9 IRQ 12 PS 2 Mouse 10 IRQ13 INT from Coprocessor 11 IRQ14 Hard Disk Controller 12 IRQ15 Reserved 13 IRQ3 Serial Comm Port 2 14 IRQ4 Serial Comm Po...

Page 43: ...ller Two UARTs Software compatible with the PC16550A and PC16450 MIDI compatible Infrared support on UART2 IRDA compliant Bidirectional Parallel Port Enhanced Parallel Port EPP compatible Extended Capabilities Port ECP compatible including level 2 support Bidirectional under either software or hardware control Compatbile with ISA EISA and Micro Channel architectures Ability to multiplex FDC signal...

Page 44: ...resolutions up to 1280 X 1024 resolution including 800 X 600 and 1024 X 768 SMARTMAP intelligent color to gray scale conversion enhances text legibility Text enhancement feature improves white text contrast on flat panel displays Fully Compatible with IBM SVGA 4 2 3 1 External SVGA Drive Capability The Extensa 57Xcontains an external SVGA port 15 pin female D type connector which can be used to dr...

Page 45: ...ettes The floppy drive installs in the Media Bay and can be removed to install a CD ROM drive or a second battery pack Lithium Ion 4 2 6 CD ROM Subsystem Many of the Extensa 57x models are equipped with a removable 5 25 inch CD ROM drive 4X or 6X speeds The drive uses the standard ATAPI interface The CD ROM subsystem is controlled by the IPC which also controls the hard drive subsystem 4 2 7 PCMCI...

Page 46: ... jack DIP Stereo Line Output 5 pin jack DIP External microphone input 5 pin jack DIP Audio chipset The sound subsystem is physically implemented on the IR Sound Board 4 2 9 Power Subsystem The Power Subsystem consists of the following major parts Power Management hardware and software components AC Adapter Power Supply Board Nickel Metal Hydride NiMH Battery Pack Optional Secondary Battery Pack Li...

Page 47: ...ge to the notebook logic components and resets to the normal power mode after the fault condition is removed 4 2 9 3 Primary Battery Pack The Extensa 57x Series Notebooks use a Nickel Metal Hydride battery as the primary battery pack Specifications for the primary battery pack are provided in Table 4 4 Table 4 4 Primary Battery Pack Specifications Function Specifications Battery type NiMH Nickel M...

Page 48: ...when the AC Adapter is attached to the notebook The converters operate from an input voltage between 7 VDC and 20 VDC from the AC adapter and generate the regulated voltages required to power all internal logic circuits and charge the internal batteries When the AC adapter is not used the DC DC converters are powered by the output of the internal battery pack s nominal 8 4V 4 10 Theory of Operatio...

Page 49: ...wing Notebook power system including battery packs and AC Adapter connections refer to Paragraph 5 4 Switch settings ensure Power switch is On and press Standby switch to ensure that Notebook is not in Standby mode press Shift to ensure the notebook is not in Auto Suspend mode All external cabling if any Check LCD Contrast adjustment Dual Scan version only Record and attempt to resolve any display...

Page 50: ...RAPH 5 3 4 NO YE S SEE PARAGRAPH 5 3 3 NO SEE PARAGRAPHS 5 3 1 5 3 2 NO Y E S YES See Appendix B PC Doctor When Power button is pressed no indication of power is present dark LCD no Status icons lit no disk drive activity etc Press Power button Selftest automatically runs when power turned on Figure 5 1 Troubleshooting Flowchart 5 2 Troubleshooting Procedures ...

Page 51: ...useful tools in computer troubleshooting However if the computer has a power keyboard or display problem you 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 1 Troubleshooting a Power Supply Problem If the computer does not power up when the Power Switch is ...

Page 52: ...PORT Drivers Receivers Expansion Bus Connector PCMCIA Adapter UM8365A SIR Interface PCMCIA Option Slot s Pentium Processor P54C LM IR Sound Board DRAM 2 Bank PCI Bus Cache MEMORY DBC 82C556 Audio IN OUT Mic In CPU Data System Controller 82C557 CPU Address IPC Memory Data EXTERNAL SVGA MONITOR Input From AC Adapter Battery Packs Video Controller INTERNAL KEYBOARD 1 MB Video RAM 640 X 480 SVGA LCD I...

Page 53: ...rdware and memory functions During self test which lasts for a few seconds the display shows copyright and version number information n Note Some procedures in this paragraph require you to use keystroke se quences such as Ctrl Alt Del To execute a keystroke sequence such as this you must press all three keys simultaneously 5 3 3 1 Self Test Error Messages Upon successful completion of the self te...

Page 54: ... attached devices The test results are stored in a log which can be printed out by pressing F2 or saved in a disk file by pressing F3 Features of the diagnostic program are accessed through a series of pull down menus and basic keyboard keys cursor keys to move highlighted pointer Enter key to select a highlighted feature Esc key to cancel a function and move back one level PC Doctor is typically ...

Page 55: ...e available partitioning data for fixed disk drive s SVGA setup information software interrupts and interrupt vectors Group of special purpose utilities to run other tests from PC Doctor perform a virus scan of the internal RAM system edit configuration files surface scan hard drives measure system performance open a DOS prompt provides terminal access to devices connected to serial ports supports...

Page 56: ...Load thoroughly exercises system to the maximum extent possible for performing system burn in and test Printer Test tests the operation of a connected printer SCSI Test sends test codes to attached SCSI devices requires use of a Docking System with SCSI CD ROM Test checks out any attached CD ROM Drive requires attachment of a Docking System with CD ROM capability Supporting Online documentation Th...

Page 57: ...y is used to choose objects menu entries and action codes typically enclosed in brackets The rightmost Select key is equivalent to the Esc key which takes you back to your previous step 5 3 5 2 Creating a Bootable Floppy Diskette Prior to using PC Doctor create a bootable floppy diskette using the following procedure 1 Power up the unit when unit displays message Starting Windows 95 press F8 Choos...

Page 58: ... enable loopback testing of serial parallel ports work from the remote menu if per forming remote operations etc To get a listing of the available command line switches startup PC Doctor with the following command PCDR and press Enter n Note If PC Doctor detects a virus it will stop with an error message You must then use one of the standard virus detection and removal programs to remove the virus...

Page 59: ...e cloth slightly dampened with a mild detergent solution or use the contents of any commercially available computer cleaning kit c Caution Never use alcohol petroleum based solvents or harsh deter gents to clean your computer Also never spray any liquids directly on the computer case keyboard or screen If the liquid crystal display LCD screen has become smeared or dusty clean the screen by first a...

Page 60: ...es Do not short the battery leads or connect the battery with reversed polarity Never attempt to charge the battery pack in any way other than as described in this manual Always charge the battery pack as soon as possible after a low battery indication 6 2 4 Restoring System Software The hard drive on the notebook computer is factory loaded with Windows 95 and ready for operation Supplied with the...

Page 61: ...semblies including the Cover Display Assembly upper half of notebook computer and the System Base Assembly lower half of the notebook Each of these two assemblies contain FRUs as described in the following subparagraphs 6 4 1 Cover Display Assembly As shown in Figure 6 1 the Cover Display Assembly contains the LCD screen Power Inverter Board Transfer Board and cables The Field Replaceable Units FR...

Page 62: ...able 9811315 0001 6 5 6 06 Display Interconnect Board TFT 9804800 0001 6 5 6 07 Display Interconnect Board DSSTN 9804024 0001 6 5 6 08 TFT Panel Transfer Board 9804801 0001 6 5 6 09 DSSTN Panel Transfer Board 9804803 0001 6 5 6 10 Bezel 11 3 DSSTN 9811320 0001 6 5 6 11 Bezel TFT 10 4 9811321 0001 6 5 6 12 Bezel Nameplate 570CD 9811322 0003 Ref 13 Bezel Nameplate 575CD 9811322 0004 Ref 14 Bezel Nam...

Page 63: ... procedures are listed in Table 6 2 Table 6 3 contains a listing of Customer non technical user replaceable units CRUs and associated TI Part numbers Keyboard Assembly Glidepad Assembly IR Sound Board Power Supply Board Display Cable Interface Board Main Board Inverter Board Display Assembly Floppy Drive CD ROM Bay Status LCD Assembly Display Assembly Figure 6 2 Base Assembly FRUs Field Service 6 ...

Page 64: ...804818 0001 6 5 2 12 1 44 MB FDD 9804819 0001 6 5 2 13 US Keyboard Assembly 9804820 0001 6 5 5 14 UK Keyboard Assembly 9804820 0002 6 5 5 15 German Keyboard Assembly 9804820 0003 6 5 5 16 French Keyboard Assembly 9804820 0004 6 5 5 17 Spanish Keyboard Assembly 9804820 0005 6 5 5 18 Swiss Keyboard Assembly 9804820 0006 6 5 5 19 Italian Keyboard Assembly 9804820 0007 6 5 5 20 Portuguese Keyboard Ass...

Page 65: ...oor Assembly Expansion Connector 9805719 0001 Ref 35 Door Assembly PCMCIA 9805719 0003 Ref 36 Door Assembly CD FDD 9805719 0004 Ref 37 Top Case Assembly 9811304 0001 Ref Table 6 3 Notebook CRUs Customer Replaceable Units Item No CRU Description TI Part No Ref Para No 1 Internal Battery Pack Ni MH 4200 mAH 9803928 0003 6 5 1 2 8 MB RAM Module Kit 9809810 0001 6 5 7 3 16 MB RAM Module Kit 9804241 00...

Page 66: ...ok Press the button in the direction of the arrow while sliding the battery out of its battery bay n Note Refer to Step 2 in Paragraph 6 5 2 for information on removing a sec ondary battery pack from the floppy drive cavity 6 5 2 Removing Replacing the Floppy Drive CD ROM To remove and replace the Floppy Drive or CD ROM Drive perform the following procedure 1 Power the notebook off disconnect the ...

Page 67: ...ut of its bay 4 Replacement is essentially the reverse of Steps 1 through 3 6 5 4 Removing Replacing Dual Inline Memory Modules DIMMs To remove and replace the expansion memory use the following procedure 1 Power down the notebook disconnect the AC Adapter if attached and remove the notebook battery packs as described in Paragraph 6 5 1 2 Using a small Phillips head screw driver remove the two scr...

Page 68: ...Sc and F2 keys Slide the latches toward the outer edges of the notebook 3 Using a small straight blade screwdriver lift the rear edge of the keyboard and lay the keyboard over on the glidepad 4 Unlock the keyboard ZIF connector on the main board and remove the keyboard cable lift the keyboard out of the unit 5 When installing the replacement keyboard essentially reverse Steps 1 through 4 Left side...

Page 69: ... cable from the base assembly 7 Lay the Display Assembly completely back and remove the four Phillips head screws that secure the display hinges to the Base Case Assembly 8 Ensure that the display cables are free from the Top Case Assembly and remove the Display Assembly 9 Replacement is the reverse of Steps 1 through 8 above 6 5 7 Removing and Replacing the LCD Status Assembly To remove the LCD S...

Page 70: ...ocated behind the status LCD assembly 7 Turn the unit over and lift the rear of the top case assembly one to two inches then pull the top case towards you while keeping the base in place 8 Reinstallation of the top case assembly is the reverse of Steps 1 through 7 above 6 5 9 Removing Replacing the Glidepad Assembly To remove replace the glidepad assembly perform the following procedure 1 Remove t...

Page 71: ... and use a side to side rocking motion while lifting up on the board 4 When reinstalling the Power Supply Board ensure that the plastic cap that rests on top of the Closed Cover Switch has the slanted surface facing the front of the Notebook 6 5 12 Removing Replacing the CMOS Battery To remove and replace the CMOS battery use the following procedure n Note Replacement of the CMOS battery will resu...

Page 72: ...ure 1 Remove the top case assembly as described in Paragraph 6 5 8 2 Remove the main board assembly as described in Paragraph 6 5 13 3 Turn the main board over and lay on a flat surface 4 Using a small Phillips screwdriver remove the two screws securing the HDD connector board to the main board 5 Replacement is the reverse of Steps 1 through 4 New P S Board Remove all other board assemblies then r...

Page 73: ... assembly as described in Paragraph 6 5 13 3 Turn the main board over and lay on a flat surface 4 Unplug the speaker cable assembly connected to the display interface board 5 Remove the four rubber screw covers and the four screws beneath the covers 6 Pull on the inside edges of the bezel to remove it starting with the bottom of the bezel 7 Disconnect the connectors at the top and bottom of the in...

Page 74: ...etry if problem persists replace drive Diskette Drive Type Mismatch Press Ctrl Alt Esc to reconfigure the system Equipment Configuration Error Press Ctrl Alt Esc to reconfigure the system Hard Disk 0 Error Cycle power to Notebook if problem persists replace main board and or hard drive Hard Disk 0 Extended Type Error Cycle power to Notebook if problem persists replace hard drive Insert system disk...

Page 75: ... drive A and press any key Pointing Device Error Cycle Power to Notebook if problem persists check cable connections from glidepad board to main board if problem persists replace glidepad board if problem persists replace main board Pointing Device Interface Error Cycle Power to Notebook if problem persists open up the notebook and check the glidepad cabling Protected Mode Test Fail Cycle power to...

Page 76: ...M parity test in progress or failure 10h 1st 64K RAM chip or data line failure bit 0 20h Slave DMA register test in progress or failure 21h Master DMA register test in progress or failure 22h Master interrupt mask register test in progress or fail 23h Slave interrupt mask register test in progress or fail 25h Interrupt vector loading in progress 27h Keyboard controller test in progress or failure ...

Page 77: ...rogress or failure 3Eh Math Coprocessor test in progress or failure 50h Initial M1429 52h Dynamic Memory Configuration and check external Cache size 53h Shadow BIOS 54h Perform PCI device initialization 55h Check CMOS checksum 56h Check CMOS config against actual 57h Enable disable enternal cache 5Fh Initial PnP device nodes 90h Enable disable external cache 70h For PCI 71h For PCI 72h For PCI 73h...

Page 78: ...tart E0h Shadow PCI non VGA option ROM E1h Shadow PCI VGA option ROM to C000 segment E3h Start to find PCI option ROM E4h Begin to shadow PCI option ROM 1Fh Begin to configures PCI VGA devices D1h Allocate Space for option ROM Error Messages A 5 ...

Page 79: ...e back one level PC Doctor is typically user friendly but if you don t understand a feature context sensitive help information is available at any time by pressing the F1 function key pressing the F1 function key twice accesses the online Technical Reference Manual for PC Doctor A powerful set of utilities within PC Doctor that can be run locally or remotely simplify the task of determining system...

Page 80: ...t mouse button as you would the Esc key to take you back to your previous step Click on the in the upper left corner of the screen for context sensitive help Menus Key Description Cursor Keys Moves the highlighted pointer Enter Selects the highlighted option Esc Cancels current function and goes back one step F1 Activates context sensitive help F1 twice Activates the online documentation PageUp Pa...

Page 81: ...s of main memory in the system including base extended expanded and upper memory block UMB memory Hard Disk Test tests all hard disk drives in the system that are either IDE or provide a BIOS command interface Floppy Disk Test tests all floppy disk drives in the system All Tests allows you to select which tests to run You can also specify special testing options By pressing F2 the following option...

Page 82: ...ts the screen display accordingly Diskette Drive checks diskette drive functionality Maximum System Load burn in tests a system This function simulates the operating conditions that are produced by operating systems such as OS 2 and Windows NT Some systems are not compatible with the Maximum system Load test Printer Test tests for the correct acceptance and execution of common printer control comm...

Page 83: ...tors and the area of memory they point to SCSI Devices lists information about SCSI devices and interface cards if a CAM or ASPI compliant SCSI device driver is present B 5 5 Utility Menu PC Doctor has a dedicated menu for utility functions These functions include Run External Tests runs other programs from PC Doctor Edit CMOS RAM gives access to CMOS RAM data File Editor allows editing of configu...

Page 84: ...Doctor supports remote control This entry opens the Remote Operation menu if you are not yet online or closes the remote connection if the system is already remotely controlled When PC Doctor is operated remotely it is possible to perform a remote reboot Remote rebooting is a complicated procedure that reloads the operating system and makes changes to CMOS RAM and configuration files For further i...

Page 85: ...Printed in U S A ...

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