Texas Instruments Extensa 510 Maintenance Manual Download Page 49 | Manualshive

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START

COMPUTER

TROUBLE

INDICATION

?

DEAD

COMPUTER
SYMP TOMS

?

RUN

SELF TEST

ERROR

MESSAGE

?

M ODE M

PROBLEM

?

RUN

DIAGNOSTICS

DIAGNOSTICS

ERROR MSG

?

N O

YES

N O

YES

SEE PARAGRAPH

5.3.4

N O

Y E S

SEE PARAGRAPH

5.3.3

N O

SE E

PARAGRAPHS

5.3.1 & 5.3.2

N O

YES

WHEN POWER SWITCH

SET TO ON,, NO

INDICATION OF POWER;

SCREEN DARK, STATUS

LED's EXTINGUISHED

SET POWER SWITCH

TO ON. SELFTEST

AUTOMATICALLY RUNS

YES

See Appendix B
(PC Doctor)

Figure 5-1 Troubleshooting Flowchart

5-2

Troubleshooting

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Summary of Contents for Extensa 510

Page 1: ...Maintenance Manual ExtensaTM 51x Series Notebook Computers 9811755 0001 April 1996 ...

Page 2: ...used in their business but tools including 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 325...

Page 3: ...0 1 6 Notebook Assemblies and Subassemblies 1 10 1 6 1 Cover Display Assembly 1 11 1 6 2 System Base Assembly 1 12 1 7 Extensa 51x Series Notebook Specifications 1 12 1 8 Agency Approvals 1 14 2 Installation 2 1 Introduction 2 1 2 2 Unpacking Instructions 2 1 2 3 Installing Notebook Options 2 1 2 3 1 Installing Dual Inline Memory Module s 2 1 2 3 2 Installing PCMCIA Options 2 3 2 3 3 Installing th...

Page 4: ...tructions 3 1 Introduction 3 1 3 2 Notebook Controls and Indicators 3 1 3 2 1 Button Switches 3 2 3 2 2 Cover Release Latch 3 2 3 2 3 Touchpad Controls 3 3 3 2 4 Keyboard Mode LEDs 3 3 3 3 Operating Procedures 3 3 3 3 1 Floppy Drive Operating Procedures 3 3 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 5 3 3 5 Minimizing Power...

Page 5: ...e Maintenance 6 1 6 2 1 Cleaning the Computer 6 1 6 2 2 Protecting the Disk Drives 6 2 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 3 6 4 Notebook Field Replaceable Parts and Assemblies 6 3 6 4 1 Display Assembly 6 3 6 4 2 System Base Assembly 6 5 6 5 Notebook Subassembly Removal and Replacement Procedures 6 7 6 5 1 Removing Re...

Page 6: ...Power Supply Board Assembly 6 15 6 5 13 Removing Replacing the Main Board 6 15 6 5 14 Removing Replacing the Pentium Chip 6 16 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 Mouse Navigation B 2 B 4 PC Doctor Menus B 2 B 4 1 Online Help B 2 B 4 2 Diagnostics B 2 B 4 3 Interactive Tests Menu B 3 B 4 4 Hardware Info Menu B ...

Page 7: ...a list of physical and electrical specifications 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 modes of operation Section 4 Theory of Operation Describes detailed theory of operation for Extensa Series notebooks Section 5 Trouble...

Page 8: ... reference information regarding the Extensa Series Notebook Computer software including the TI custom utilities 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: ...ters 1 2 Product Models The two initial offerings in the 51x Series are differentiated by the software installed on the system at the factory The Model 510 contains Windows 95 and the Model 515 includes Windows 95 and a variety of applications as summarized in Table 1 1 Each model may contain either the 540 million byte hard disk drive 00xx part number suffix or 810 million byte hard drive 01xx pa...

Page 10: ...tion P N Suffix Domestic 0001 Swedish 0010 UK 0002 Swiss French 0011 German 0003 Danish 0012 French 0004 Norwegian 0013 Spanish 0005 Finish 0014 Swiss German 0006 Belgium 0015 Italian 0007 Austrian 0016 Portuguese 0008 Asia Pacific 0017 Western European 0009 Latin American 0018 Chinese 0019 1 4 Product Overview All members of the Extensa 51x Series are high performance notebooks powered by the 100...

Page 11: ...al device interfaces including serial parallel PS 2 and external VGA 3 5 inch 1 44 MB Floppy Drive 10 4 inch Dual Scan Color LCD AC Adapter with autosensing 100 VAC to 240 VAC 50 to 60 Hz 34 Watts of DC output power 10 8 Volt 2400 mAH capacity Nickel Metal Hydride NiMH Standard Duracell DR35 battery pack Built in monaural speaker with ESS1688 sound solution Three audio jacks Line In Line Out and M...

Page 12: ...ide Hard Drive Accessible from Underneath Setup Button Standby Suspend Button Type I 11 or III PCMCIA Slot Primary Battery Cover Hard Drive Cover Floppy Drive Assembly Audio Line Mic Jacks HDD Release Latches Power In Connector PS 2 Connector VGA Serial and Parallel Connector Door Speaker Figure 1 2 Extensa 51x Series Features 1 4 General Description ...

Page 13: ...dio Line In Line Out and Microphone In 15 Pin External VGA Monitor Port for attaching an external monitor 6 Pin PS 2 Port to attach an external Keyboard or Mouse AC Adapter Connector for attaching the AC Adapter to the notebook AC Adapter Connector Serial Port External PS 2 Port Mouse Keyboard Port External VGA Port Parallel Port Audio Line Output External Microphone Input Audio Line Input Figure ...

Page 14: ... Extensa Series Keyboard is an IBM enhanced type 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 the IBM 101 102 keyboards The keyboard features a special keyboard interface chip that can detect multiple levels of key input good simulation of ...

Page 15: ...0005 Swiss Keyboard TI Part No 9811398 0006 Italian Keyboard TI Part No 9811398 0007 Portuguese Keyboard TI Part No 9811398 0009 Swedish Keyboard TI Part No 9811398 0010 Denmark Keyboard TI Part No 9811398 0012 Norwegian Keyboard TI Part No 9811398 0013 Belgium Keyboard TI Part No 9811398 0014 Finish Keyboard TI Part No 9811398 0015 n Note The Extensa Series Notebook Computer User s Reference Manu...

Page 16: ...functions when pressed in conjunction with the Shift key When the indicator is Off pressing the Fn key with the appropriate keys provides cursor movement paging and other functions in the normal mode Caps Lock indicator This LED indicates that the keyboard is locked in the uppercase mode To switch to the lowercase mode press the Caps Lock key Scroll Lock indicator This LED lights to indicate that ...

Page 17: ...ble operation and protection of files during low battery conditions 1 4 5 Preloaded Software All members of the Extensa 51x Notebook family are preloaded with the Windows 95 Operating System In addition the Extensa Model 515 is shipped from the factory with the following software application packages installed on the hard drive Touchpad Pointing Device Touchpad Select Buttons Power On Off Button P...

Page 18: ...d Party External PS 2 keyboard or external mouse Three audio jacks line in out and microphone in 1 5 Standard Test Features The Extensa Series Notebook Computers use modular design and built in test features to reduce the mean time to repair A power on self test automatically verifies the operational state of the primary circuits and a powerful suite of diagnostic tests are available to further te...

Page 19: ...ble Assemblies Inverter Board Contrast Board Floppy Drive Assembly TouchPad Assembly Top Case Assembly Charger Power Supply Board Hard Drive Assembly Floppy Drive Assembly Battery End Cover Bottom View Battery Pack Hard Drive Cover Hard Drive Outer Cover Pentium CPU Battery Board Main Board Assembly Display Assembly Speaker Assembly LED Switch Board Assembly Memory Expansion Sockets Figure 1 7 Not...

Page 20: ...RUs include Main Board Assembly Hard Disk Drive Assembly Up to two Dual Inline Memory Modules Floppy Drive Assembly Power Supply Board Assembly Battery Board Assembly Battery Pack Assembly Top Case Assembly Touchpad Assembly Keyboard Assembly removed in Figure 1 7 for clarity Battery Board Assembly 1 7 Extensa 51x Series Notebook Specifications Specifications for the Extensa 51x Series Notebooks a...

Page 21: ...rd Drive 540 or 810 Million Byte 540 or 810 Million Byte Interfaces Serial RS 232 Port Yes Yes Parallel Port EPP ECP Yes Yes Yes External VGA Port Yes Yes External PS 2 Port Yes Yes PCMCIA Support Type I II III Type I II III Software U S Version Dual Load Non U S Versions Windows 95 only International Load Windows 95 plus application software Refer to Table 1 1 Physical Characteristics 297 mm L x ...

Page 22: ...ter s Lab UL Standard 1950 safety Underwriter s Lab UL CN Listed C22 2 No 950 safety EN60950 TUV Rheinland safety FCC CFR 47 Part 15 Subpart J FCC Level B EMI RFI Canadian Department of Communications DOC ICES Class B EMI RFI CISPR 22 EN55022 Class B EMI RFI CE Mark 1 14 General Description ...

Page 23: ... later reuse 2 3 Installing Notebook Options If you have no options to install at this time skip to Paragraph 2 3 Otherwise continue with Paragraph 2 3 1 2 3 1 Installing Dual Inline Memory Module s 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 are sensitive to static electricity When handling ...

Page 24: ... Use a rocking motion to fully insert the module Push downward on each side of the DIMM module until it snaps in place 7 Repeat the procedure in Step 6 upper connector to install the second DIMM module 8 Replace the keyboard assembly and any other components removed in Step 1 This completes the expansion memory module installation procedure 1 Slide Keyboard Release Tabs toward front of notebook Us...

Page 25: ...pen the PCMCIA compartment cover on the left side of the notebook 3 To insert a PCMCIA card align the card with the socket and slide the card into the socket until it locks into place 4 To eject a PCMCIA card first ensure that the notebook is not accessing the memory card or device Under Windows 95 go to the Control Panel PC Card and direct the card to stop before removing card PCMCIA Connector Do...

Page 26: ...ower off the notebook being sure to save your data first 2 Locate the battery door right side of notebook near the front Press the battery door inward and slide the door toward the front of the notebook remove the battery door 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 Check the label facing...

Page 27: ... manufacturer s instructions 2 5 Installing External Devices Most external devices connect to the Notebook via the connectors on the rear of the notebook refer to Figure 2 4 for port assignments AC Adapter Connector Serial Port External PS 2 Port Mouse Keyboard Port External VGA Port Parallel Port Audio Line Output External Microphone Input Audio Line Input Figure 2 4 Extensa Port Assignments Inst...

Page 28: ...6 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 Locate the external PS 2 port at the rear of the notebook refer to Figure 2 5 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 t...

Page 29: ...d connector location are shown in Figure 2 6 If you will be using a parallel interface connect the 25 pin male connector of your printer cable to the 25 pin female parallel port on your notebook Refer to the manual which accompanied your printer for instructions on configuring your operating environment Figure 2 6 Parallel Port Location Pinouts Installation 2 7 ...

Page 30: ...ion 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 Notebook 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 SERIALPORTPINOUTS 1 2 3 4 5 6 7 8 9 DCD CARRIER DETECT RXD RECEIVE DATA TXD TRANSMIT DATA D...

Page 31: ...A port 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 VIDE...

Page 32: ...iewed from the rear of the notebook provides an audio line output cable of driving external headphones speakers or an external amplifier 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 other adapters can damage the unit 1 Remove the AC adapter from the packaging Connect the round c...

Page 33: ... repeat self test If the error message persists refer to Section 6 for troubleshooting information 2 8 Configuring the System The first time you power up the notebook it automatically runs the Setup Program which prompts you for country name and printer type You will exit Windows and the notebook begins unzipping files and preparing the software for use 2 9 Making Backups of System Software The No...

Page 34: ... Extensa Series Notebooks are equipped with the following controls and indicators Group of five LEDs just above the keyboard Sleep Mode Hard Drive Activity Num Lock Caps Lock and Scroll Lock Power Setup and Standby Suspend buttons adjacent to the status LEDs Power LED and Charge LED indicators on the left rear corner of the notebook Touchpad and two select buttons at base of keyboard Combination k...

Page 35: ... is lost Standby Suspend Button Switch an alternate action touch switch that invokes the save to disk feature and places the unit in Standby Mode if previously On or On if previously in Standby Mode 3 2 2 Cover Release Latch The Notebook contains one Cover Release latch To open the notebook slide the Release Mechanism to the right and lift up on the front edge of the notebook cover Touchpad Pointi...

Page 36: ...on the keyboard NM NM Lock Indicator This LED lights when you press the Fn F7 numbly keys to toggle on the numeric keypad lock function When the LED is On the embedded numeric keyboard keys generate AT keypad characters and functions when pressed in conjunction with the Fn key When the NM indicator is Off pressing the Fn key with the appropriate keys provides cursor movement paging and other funct...

Page 37: ... as diskettes Type I Type I or Type III PCMCIA options may be installed in the compartment on the left side of the notebook To insert a PCMCIA card align the card with the socket and slide the card into the socket until it locks into place To eject a PCMCIA card go to the Windows 95 Control Panel select PC Card and select the card to stop then press the release button and remove the PCMCIA option ...

Page 38: ... to its previous On condition 3 3 5 Minimizing Power Usage The following actions can minimize power usage and protect your work during the critical minutes before you shut the system down or replace on the battery packs with a fully charged pack Press Ctrl Standby to shut off the alarm if its enabled Save RAM Disk if using RAM Disk feature Press Standby Suspend button to put the computer in Standb...

Page 39: ... the System Software In the event of a hard drive replacement or system board replacement which resulted in loss of system software you may need to rebuild the entire system software structure The following items are required to rebuild the system software Set of backup diskettes of the system software or Windows 95 Startup diskette Operational Notebook Insert the Windows 95 Startup diskette in th...

Page 40: ...tion housed on the Main Board is implemented with a 100 MHz Intel Pentium Processor 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 The memory subsystem implemented on the Main Board and optional Dual Inline Memory Modules provides 8 MB expandable to 40 MB o...

Page 41: ... State Machine Glue Logic PCMCIA Adapter Internal Hard Drive Power Supply Section Internal Touchpad Keyboard PS2 Mouse Logic Memory Board PCMCIA Option Slot s 512KB Video RAM Clock Generator 640 X 480 VGA LCD Inverter Board Located internal to the LCD Assembly RAM Expansion Modules Internal Floppy Drive Parallel Port Internal LCD Display Internal Keyboard Figure 4 1 Notebook Functional Block Diagr...

Page 42: ...nal filter components required Low power CMOS with enhanced power down mode Automatic media sense support 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 hard...

Page 43: ...supporting logic and video RAM 1 MB The major features of the VGA controller include Highly integrated design flat panel CRT VGA controller RAMDAC clock synthesizer Multiple Bus Architecture Integrated Interface Local Bus 32 bit CPU Direct and VL PCI Bus EISA ISA PC AT 16 bit Bus Advanced frame buffer architecture uses available display memory maximizing integration and minimizing chip count Integ...

Page 44: ...Instruments formats the hard disk and then loads all supplied software including Windows 95 c Caution Formatting the disk drive erases any data that may be stored on the disk Therefore do not attempt a format of the hard disk unless the computer self test and diagnostics confirm that the disk has not been formatted A Hard Drive activity LED is located along the top of the notebook This LED lights ...

Page 45: ...ode for lowest power consumption Programmable Suspend Mode Five programmable memory windows per socket 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 interface support Automatic flash memory timing support Easy host interface using ISA I O addresses 03E0h 03E1h Mixed voltage 3 3V or 5V operation Dual socket i...

Page 46: ...tandby suspend upon battery low 4 2 7 2 AC Adapter The notebook uses an AC adapter with built in over voltage and short circuit protection The adapter can withstand a continuous short circuit to DC output without damage to the notebook logic components The adapter operates in Shut down mode shorting Vo trail and resets to the normal Power mode after the fault condition is removed 4 2 7 3 Primary B...

Page 47: ...ries Nominal voltage 10 8 V Cell energy capacity Typical Minimum 2400 mAH 2500 mAH 2330 mAH Nominal rated capacity 27 Watt hours Operating Temperature_ Discharge Charge 20 to 50 C at 95 RH 0 to 45 C at 95 RH Charge and discharge cycles 500 minimum Weight 470 grams Battery discharge time 3 hours with APM Battery charge time 4 8 Theory of Operation ...

Page 48: ...he following 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 refer to Section 3 Record and attempt to resolve any dis...

Page 49: ...R MSG NO YES NO YES SEE PARAGRAPH 5 3 4 NO YE S SEE PARAGRAPH 5 3 3 NO SEE PARAGRAPHS 5 3 1 5 3 2 NO Y E S WHEN POWER SWITCH SET TO ON NO INDICATION OF POWER SCREEN DARK STATUS LED s EXTINGUISHED SET POWER SWITCH TO ON SELFTEST AUTOMATICALLY RUNS YES See Appendix B PC Doctor Figure 5 1 Troubleshooting Flowchart 5 2 Troubleshooting ...

Page 50: ...ident diagnostics program PC Doctor are useful tools in computer troubleshooting However if the computer has a power keyboard or display problem you should 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 4 3 for further instructions 5 3 1 Troubleshooting a Power Supply Problem If the compu...

Page 51: ...n Section 6 EXTERNAL VGA MONITOR MAIN BOARD XD BUS SDBUS Input From AC Adapter SYSTEM VGA BIOS XD BUS Super I O Controller RS 232 Serial Port Drivers Receivers C T 65540 Intel 100 MHz Pentium Processor Video Controller System Controller State Machine Glue Logic PCMCIA Adapter Internal Hard Drive Power Supply Section Internal Touchpad Keyboard PS2 Mouse Logic Memory Board PCMCIA Option Slot s 512KB...

Page 52: ... of its central hardware 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 complet...

Page 53: ...ne 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 configuration data allocating and using system memory IRQ and DMA use what device drivers are installed what COM and LPT ports are assigned and what ports are available identifying partitioning data for fixed disk drive s determining t...

Page 54: ... notebook and installing loopback plugs The Non Interactive test categories include CPU and Coprocessor Processor Tests Base RAM memory test System Board test Video Test COM1 and LPT1 serial port tests Parallel Port Test Fixed Disk test Diskette Drive tests Other devices Sound card PCMCIA options etc 5 3 5 1 Interactive Tests The PC Doctor diagnostic test includes a suite of seven Interactive test...

Page 55: ...ne manual PC Doctor is structured as a text mode windowed user interface with pull 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 function and goes back one step F1 Key Activates the context sensitive help feature pressing F1 twice in a row calls up the online Technical Re...

Page 56: ...completion of this procedure you should have a bootable diskette containing PC Doctor 5 3 5 4 Running PC Doctor PC Doctor is a DOS resident program that can be run from either hard disk or from the bootable diskette you previously created 1 From the C prompt change directory type CD C PCDR and press Enter 2 From the C prompt type PCDR and press Enter 3 The Diagnostics Program loads into system mem...

Page 57: ...tandard virus detection and removal programs to remove the virus 5 3 5 5 Quitting PC Doctor To exit PC Doctor select the Quit pull down menu and then select the Quit to DOS option n Note For additional information press F1 twice to access the online Refer ence manual for PC Doctor 5 10 Troubleshooting ...

Page 58: ...g the keyboard touchpad and the LCD screen 6 2 1 Cleaning the Computer When it is necessary to clean the plastic case and keyboard use a soft lint free 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 liq...

Page 59: ...the battery pack or subject it to excessive shock and vibration Do not expose the battery pack to direct sunlight moisture or chemical compounds Do not disassemble the battery pack Do not use the battery pack to power other devices 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 ...

Page 60: ...rounded conductive mats When moving or storing items use the anti static bags supplied with the items 6 4 Notebook Field Replaceable Parts and Assemblies All members of the Extensa 51x Series Notebook Computers contain two major assemblies 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 contai...

Page 61: ...362 0001 6 5 9 Latch LCD 50X 51X 9805745 0002 Ref Spring LCD Latch 9805745 0001 Ref Cover left side screws 9811379 0001 Ref Cover right side screws 9811379 0002 Ref Cable Assembly LCD to Main Board 29P 9811385 0001 6 5 8 Nameplate 515 9811375 0004 Ref Nameplate 510 9811375 0003 Ref Connector Board STN LCD 9811387 0001 6 5 8 Contrast Board 9811384 0001 6 5 9 LCD Assembly Bezel Removed for Clarity P...

Page 62: ...t board 9811726 0001 6 5 13 IC CPU P54LM 100 SPGA 2 9V 9811733 0001 6 5 14 Button Board Assembly 9811367 0001 6 5 6 Touchpad Board Assembly 9803991 0001 6 5 4 Smart Battery Control Board Assembly 9811734 0001 6 5 4 LED Switch PWB Assembly 9811358 0001 6 5 4 Charger Power Supply Board Assembly 9811360 0001 6 5 4 Floppy Drive Assembly 9811394 0001 6 5 5 Hard Disk Drive 810 Million Byte 9811396 0001 ...

Page 63: ... HDD Cable 9811365 0001 6 5 6 Upper Case Assembly 9811370 0001 6 5 4 Lower Case Assembly for non U S units lower case cannot be replaced in U S due to regulatory agency requirements 9811371 0001 6 5 4 Clip Speaker 9811390 0001 Ref Cover Cable 9805745 0006 Ref Cover HDD Assembly 9811374 0001 6 5 6 Hinge Cover 9805745 0007 Ref Heat Sink Assembly 9811397 0001 6 5 3 Mouse Button left 9811399 0001 6 5 ...

Page 64: ...to removing any of the internal FRUs in the notebook remove the AC Adapter battery hard drive and all external options installed on the notebook c Caution Many internal cables are Flexible Printed Circuit FPC cable types that require special handling Ensure that locking type connec tors are unlocked using a small flat blade screwdriver before remov ing cables Do not force cables out of the connect...

Page 65: ...Ctrl and Down Arrow Keys 3 Pull the keyboard release tabs toward the front of the notebook tabs snap into an 1 8 inch recess in the plastics 4 Using a small straight blade screwdriver lift the front edge of the keyboard upward 5 Lift the front edge of the keyboard slightly and gently pull the keyboard toward the front of the notebook exposing two cables that connect the keyboard to the main board ...

Page 66: ...described in Paragraph 6 5 2 4 Remove the four Phillips head screws that secure the heat sink to the main board 5 Lift upward on the heat sink and remove it from the base 6 Replacement is the reverse of Steps 1 through 5 above 1 Slide Keyboard Release Tabs toward front of notebook Using a small flat blade screwdriver gently pry keyboard up along the front edge Remove ZIF Cables from Main Board 2 F...

Page 67: ...s described in Paragraphs 6 5 1 through 6 5 3 2 Turn the notebook over and remove the six Phillips head screws from the bottom of the notebook Then turn notebook rightside up 3 Remove the four screws that secure the Top Case Assembly to the base Remove set of four screws holding heat sink Heat Sink Assembly Release keyboard assembly and tilt up against Display Figure 6 3 Removing Replacing the Hea...

Page 68: ...sk Assembly To remove replace the Floppy Disk Assembly perform the following procedure 1 Remove the Keyboard Assembly and Heat Sink Assembly as described in Paragraphs 6 5 2 and 6 5 3 2 Remove the Top Case Assembly as described in Paragraph 6 5 4 3 Unlock the ZIF connector using a plastic stick and remove the Floppy to Main interface cable from the connector on the Main Board 4 Remove the power su...

Page 69: ...7 Lay the drive over facing the rear of the notebook 8 Gently pull on the plastic band to remove the cable connector from the disk drive 9 Remove the disk drive from the bay To remove the metal shield from the drive remove the four recessed screws 10 Replacement is essentially the reverse of Steps 1 through 9 TIP Insert the frontmost edge of the drive in first so that the protruding metal lip clea...

Page 70: ... in Step 1 6 5 8 Removing and Replacing the Display Assembly To remove the display assembly perform the following procedure 1 Remove the keyboard and heat sink as described in Paragraphs 6 5 2 and 6 5 3 respectively 2 Remove the cable cover below the display by lifting upward on the front edge of the cover 3 Unplug the video cables that mate with the Main Board 4 Using a plastic stick slide the ri...

Page 71: ...Board and the Contrast Board 6 Disconnect the connectors at the top and bottom of the Inverter Board and or Contrast Board 7 Use the small Phillips head screwdriver to remove the two screws holding the Inverter Board or Contrast Board remove the Board Assembly 8 Reinstallation of the Inverter or Contrast Board is the reverse of Steps 1 through 7 above 6 5 10 Removing Replacing the Touchpad Assembl...

Page 72: ...e the Charger Power Supply Board Assembly perform the following procedure 1 Remove the Top Case Assembly as described in Paragraph 6 5 4 2 Remove the Floppy Drive Assembly as described in Paragraph 6 5 5 3 Using a plastic stick lift up on the end of the board that is adjacent to the processor The board assembly snaps out Remove board from unit 4 Replacement is essentially the reverse of Steps 1 th...

Page 73: ... plastics 10 Refer to Paragraph 6 5 14 and transfer the CPU to the replacement Main Board 11 Inspect the two configuration DIP switches on the replacement board ensure that the settings are as described in Figure 6 5 12 Reassembly is essentially the reverse of Steps 1 through 9 above 6 5 14 Removing Replacing the Pentium Chip The illustration in Figure 6 6 shows the procedure for removing replacin...

Page 74: ...lade screwdriver into the opening at the right side of the processor socket refer to Figure 6 6 and pry to the left to unlock socket 6 Insert the processor chip into the socket 7 Insert a flat blade screwdriver into the slot on the left side of the processor socket and pry to the right to close and lock the CPU chip into the socket Figure 6 6 Removing the Processor Chip Field Service 6 17 ...

Page 75: ... if problem persists try another diskette 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 Hard Drive Hard Disk 0 Extended Type Error Cycle power to Notebook if problem persists replace Hard Drive Insert system diskette and press ...

Page 76: ...Power to Notebook if problem persists replace Touchpad Pointing Device Interface Error Cycle Power to Notebook if problem persists open up the notebook and check the touchpad cabling Protected Mode Test Fail Cycle power to Notebook RAM BIOS Bad Cycle power to Notebook RAM Parity Error Cycle power to Notebook if problem persists replace Main Board and or DIMMs modules Real Time Clock Error Press Ct...

Page 77: ...ress 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 28h CMOS power fail and checksum checks in progress 29h CMOS config info validation in progress 2Bh Screen memory test in progress or failure 2Ch Screen initialization in p...

Page 78: ...ow 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 For PCI 74h For PCI 75h For PCI 76h Begin PCI devices initialization 77h Configures PCI VGA devices 78h Except VGA 79h Begin PCI service routines 7Ah PCI Op...

Page 79: ...Checkpoint No Description D4h Normal POST start 1Fh Begin to configures PCI VGA devices D1h Allocate Space for option ROM Error Messages A 5 ...

Page 80: ...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 81: ...sitive help from any menu press F1 Pressing F1 twice or clicking on the question mark in the upper left hand corner of the menu provides you with complete online documentation B 4 2 Diagnostics The Diagnostics menu allows you to run non destructive tests with little or no operator interaction Options available from the PC Doctor Diagnostics Menu include System Test tests all major aspects of the s...

Page 82: ...onitor and the built in LCD screen go blank Cache Control allows you to leave the level 1 and level 2 cache en abled during memory testing This assists in tracking down cache timing issues B 4 3 Interactive Tests Menu Interactive tests are diagnostics that need user interaction to complete Interactive tests include Keyboard tests the keyboard keys LEDs and repeat rate Video tests the character set...

Page 83: ... and DMA use identifies interrupts for all standard IRQ and DMA devices Device Drivers shows all essential data on DOS resident and installable device drivers COM and LPT ports displays information about the installed serial and parallel ports Only ports that are identified by BIOS are listed Physical Disk Drives shows the basic characteristics for each installed fixed disk drive including the con...

Page 84: ...laptop computer B 5 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 6 Remote Operation This selection only appears in the Utility menu if your PC Doctor supports remote control This entry opens the Remote Operation menu if you are not ye...

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

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