Toshiba NB 100 Series Maintenance Manual Download Page 109

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3.8 Video

3 Diagnostic Programs

If press Ctrl+Break to force the test to terminate during execution of VESA

Video Memory, the test program will not operate and display properly in further
tests.

Subtest 05

AGP Test

This test item is to report the system’s Accelerated Graphics Port status and check
whether AGP registers works normally.

Subtest 06

LCD Panel Test

This test item is to check whether there is any fault in its resolution by displaying
the RGB gradient color screens.

TOSHIBA NB100 Maintenance Manual

Summary of Contents for NB 100 Series

Page 1: ...Libretto L100 L105 Satellite UX TOSHIBA NB100 Maintenance Manual Toshiba Personal Computer TOSHIBA NB100 PLL10X XXXXX Maintenance Manual TOSHIBA CORPORATION S No ...

Page 2: ...time of this manual s production However succeeding computers and manuals are subject to change without notice Therefore Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between any succeeding product and this manual Trademarks Intel and Pentium are registered trademarks of Intel Corporation IBM IBM PC XT PC AT PS 2 and OS 2 are regist...

Page 3: ...stence of a hazard that could result in bodily injury if the safety instruction is not observed CAUTION Caution indicates the existence of a hazard that could result in property damage if the safety instruction is not observed NOTE Note contains general information that relates to your safe maintenance service Improper repair of the computer may result in safety hazards Toshiba requires service te...

Page 4: ...cedures explains how to diagnose and resolve FRU problems Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service Chapter 4 Replacement Procedures describes the removal and replacement of the FRUs Appendices The appendices describe the following Handling the LCD module Board layout Pin Assignments Keyboard scan character codes Key layout ...

Page 5: ... the keyboard is printed in boldface type Key operation Some operations require you to simultaneously use two or more keys We identify such operations by the key top symbols separated by a plus sign For example Ctrl Pause Break means you must hold down Ctrl and at the same time press Pause Break If three keys are used hold down the first two and at the same time press the third User input Text tha...

Page 6: ...C Battery 20 Chapter 2 Troubleshooting 2 1 Outline 2 1 2 2 Basic Flowchart 2 2 2 3 Power Supply 2 6 Procedure 1 Power Icon Check 2 6 Procedure 2 Connection Check 2 8 Procedure 3 Replacement Check 2 8 2 4 System Board 2 9 Procedure 3 Replacement Check 2 10 2 5 HDD 2 11 Procedure 1 Message Check 2 11 Procedure 2 Partition Check 2 11 Procedure 3 Format Check 2 12 Procedure 4 Test Program Check 2 13 P...

Page 7: ...ter 3 Diagnostic Programs 3 1 General Error Bookmark not defined 3 2 Quick Start Error Bookmark not defined 3 2 1 Quick Test Error Bookmark not defined 3 2 2 Customization Test Error Bookmark not defined 3 2 3 Keyboard Layout test Error Bookmark not defined 3 2 4 Audio Play Test Error Bookmark not defined 3 2 5 Audio Record Test Error Bookmark not defined 3 2 6 DMI Read Error Bookmark not defined ...

Page 8: ...em Test Error Bookmark not defined 3 6 Memory Test Error Bookmark not defined 3 7 Storage Error Bookmark not defined 3 8 Video Error Bookmark not defined 3 9 Communication COMM Error Bookmark not defined 3 10 Peripheral Error Bookmark not defined 3 11 Error Codes and description Error Bookmark not defined 3 12 Quick Test Item List Error Bookmark not defined Chapter 4 Replacement Procedures 4 1 Gen...

Page 9: ...r 4 22 Removing the Top Cover 4 22 Installing the Top Cover 4 23 4 6 SSD HDD and Fan 4 24 Removing the SSD HDD and Fan 4 24 Installing the SSD HDD and Fan 4 26 4 7 System Board DC IN RJ45 Cable and Blue Tooth Card 4 27 Removing the System Board DC IN RJ45 Cable and Blue Tooth Card 4 27 Installing the System Board DC IN RJ45 Cable and Blue Tooth Card 4 29 4 8 Display Mask 4 30 Removing the LCD Disp...

Page 10: ...4 Replacement Procedure vi TOSHIBA NB100 Maintenance Manual Installing the Touch Pad Board 4 39 ...

Page 11: ...ures 4 iv TOSHIBA NB100 Maintenance Manual Appendices Appendix A Handling the LCD Module A 1 Appendix B Board Layout B 1 Appendix C Pin Assignments C 1 Appendix D Keyboard Scan Character Codes D 1 Appendix E Key Layout E 1 ...

Page 12: ...Chapter 1 Hardware Overview TOSHIBA NB100 Maintenance Manual i ...

Page 13: ...1 Hardware Overview ii TOSHIBA NB100 Maintenance Manual ...

Page 14: ...ance Manual iii Chapter 1 Contents 1 1 Features 5 1 2 System Unit Components 11 1 3 2 5 inch HDD 16 1 4 Solid State Drive SSD 17 1 5 Power Supply 18 1 6 Batteries 19 1 6 1 Main Battery 19 1 6 2 Battery Charging Control 19 1 6 3 RTC Battery 20 ...

Page 15: ...e 1 2 Computer Block Diagram 9 Figure 1 3 System Board Configurations 10 Figure 1 4 System Unit Block Diagram 11 Figure 1 5 SATA HDD 16 Figure 1 6 Solid state driver 17 Table Table 1 1 HDD Specifications 16 Table 1 2 SSD Specifications 17 Table 1 3 Battery specifications 19 Table 1 4 Quick Normal charging time 19 ...

Page 16: ...U is the ATOM Processor Diamondville 1 6GHz Host Bridge System Controller System Controller Intel 945GSE ICH7 M Graphics Intel 945GSE integrated graphic Memory The computer has one SO DIMMs slot comes standard with DDRII 667 800MHz module It supports PC2 5300 6400 and uses SO DIMMs DDRII SDRAM driven at 1 8 V accepting BTO CTO for your memory requirements It can incorporate up to 1 GB for 945GSE U...

Page 17: ... It is supported to daisy chain a maximum of 127 USB devices The serial data transfer rate is 480 Mbps or 12 Mbps and 1 5 Mbps These ports support PnP installation and hot plugging External Monitor Port A 15 pin external monitor port is provided through which the computer automatically recognizes an external VESA DDC 2B compatible monitor Multiple Digital Media Card Slot This computer is equipped ...

Page 18: ...l microphone jack LAN The internal LAN board supports 10 100Mbit It also supports Wake up on LAN from S3 S4 S5 and PXE boot support The LAN board has RJ45 jack to directly accommodate a LAN cable Wireless LAN The internal Mini Card slot supports IEEE802 11bg The Antenna has two dual band antennas Internal Camera BTO The computer has an internal camera The camera has VGA fixed focus for low end ID ...

Page 19: ...1 Hardware Overview 1 1 Features Figures 1 1 1 2 1 3 and 1 4 show the computer and its system unit configuration respectively Figure 1 1 ID Parts Description Placement 8 TOSHIBA NB100 Maintenance Manual ...

Page 20: ...1 1 Features 1 Hardware Overview Figure 1 2 Computer Block Diagram TOSHIBA NB100 Maintenance Manual 9 ...

Page 21: ...1 Hardware Overview 1 1 Features Figure 1 3 System Board Configurations 10 TOSHIBA NB100 Maintenance Manual ...

Page 22: ...1 2 System Unit Components 1 Hardware Overview 1 2 System Unit Components Figure 1 4 is Block Diagram of the System Unit Figure 1 4 System Unit Block Diagram TOSHIBA NB100 Maintenance Manual 11 ...

Page 23: ...ions to grow up to 1GB for 945GSE y PC2 5300 667MHz and PC2 6400 800MHz DDRII SDRAM supported y 512 1024 modules supported 512 MB 32M x 16 x 8P 1024 MB 64M x 8 x 16P y 1 8 volt operation y No parity bit y 64 bit data transfer y Run at 400 533MHz BIOS ROM Flash EEPROM y 8Mb x 1 chip 1024KB flash parts NvStorage size 128K NvStorage free space 101K FV00 size 624K FV00 free space 49K FV01 size 64K FV0...

Page 24: ... Storage Technology PCI Interface IDE Interface Low Pin Count LPC Interface Serial Peripheral Interface SPI Compatibility Modules Advanced Programmable Interrupt Controller APIC Universal Serial Bus USB Controller LAN Controller RTC GPIO Enhanced Power Management Manageability System Management Bus SMBus 2 0 Intel High Definition Audio Controller Integrated FAN Speed Control Card Bus Controller y ...

Page 25: ...al volume control for digital microphone input y Supports external PCBEEP input and built in digital BEEP generator KBC EC Keyboard Controller Embedded Controller A single ITE8521E L chip is used to serve as KBC EC and Super IO y KBC Scan controller function Interface controller function y EC Power supply sequence control Overheat shutdown support LED control Beep control Device ON OFF Cooling fan...

Page 26: ... 802 3u Auto Negotiation support Digital Adaptive Equalization control 10BASE T auto polarity correction LAN Connect interface Automatic detection of unplugged mode Remote boot PXE 2 1 Smart power down when link is not detected Wireless LAN Controller y Support following mini PCI wireless LAN cards IEEE 802 11bg y Data Rate IEEE 802 11bg Standard 54M bps y Frequency Channel IEEE802 11bg 2 4GHz ...

Page 27: ...nforms to Serial ATA Storage capacities supported are 80 120 and 160 GB The HDD is shown in Figure 1 5 and some of its specifications are listed in Table 1 1 Figure 1 5 SATA HDD Table 1 1 HDD Specifications Item Specifications Capacity GB 80 GB 120 GB 160 GB Rotational Speed RPM 5400 rpm 5400 rpm 5400 rpm Height 9 5 mm 9 5 mm 9 5 mm User Data Sectors 156 301 488 234 442 648 312 581 808 Bytes Secto...

Page 28: ...D is designed for use in rugged laptops military devices thin clients Point of Sale POS terminals telecom medical instruments surveillance systems and industrial PCs The SSD is shown in Figure 1 6 and some of its specifications are listed in Table 1 2 Figure 1 6 Solid state driver Table 1 2 SSD Specifications Item Specifications Capacity GB 4 GB Total bytes 4 096 253 952 Cylinders 7937 Head 16 Sec...

Page 29: ... Controls the supply of DC power supply input AC Adapter output to the power supply unit y Controls the supply of power to the system block load logic circuit side y Controls forced shutdown if the power supply malfunctions 3 Logic circuit control y Instructs the gate array to enable disable tuning the power on y Controls power on off operation 4 Status display y Turns on the Power LED in Green y ...

Page 30: ...pack serves as the computer s main power source when the AC adapter is not attached The main battery maintains the state of the computer so that it can resume it 1 6 2 Battery Charging Control Battery charging is controlled by ITE IT8512E When the AC adapter and battery pack are attached to the computer the IT8512E controls the charge on off state and detects a full charge Battery Charge When the ...

Page 31: ...The AC adapter or battery pack is removed 3 The battery or AC adapter voltage is abnormal Detection of full charge A full charge is detected only when the battery is being charged by quick or normal charge A full charge is detected when either of the following conditions is met 1 The current in the battery charging circuit drops below the predetermined value 2 The charging time exceeds the fixed l...

Page 32: ...2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 i 2 概要 Chapter 2 Troubleshooting ...

Page 33: ...Procedure 5Connector Check and Replacement Check 2 14 2 6 Keyboard 2 15 Procedure 1 Test Program Check 2 15 Procedure 2 Connector Check and Replacement Check 2 15 2 7 Display 2 16 Procedure 1External Monitor Check 2 16 Procedure 2Test Program Check 2 16 Procedure 3Connector Check and Replacement Check 2 16 2 8 LAN 2 18 Procedure 1Test Program Check 2 18 Procedure 2Connector Check and Replacement C...

Page 34: ...2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 iii ...

Page 35: ...2 Troubleshooting 2 iv TOSHIBA NB100 Maintenance Manual Figures Figure 2 1 Basic flowchart 2 3 Tables Table 2 1 HDD error code and status 2 13 ...

Page 36: ...r 7 Cooling module See Chapter 4 for the procedures to replace FRUs and Chapter 3 for the procedures to use test programs The following tools are required to perform the diagnostic procedures 1 USB ODD driver 2 Diagnostics maintenance test program disk 3 Phillips screwdrivers 2 mm 2 5 mm 4 Cleaning disk kit for USB ODD drive cleaning 5 Bootable CD 6 Multimeter 7 External monitor 8 Headphone 9 Micr...

Page 37: ...een registered and if so ask him or her to enter the password If the user has forgotten the system password use a jump wire to make a short circuit on M B B500 location then turn the computer power on When booted the computer overrides password protection and automatically erases the current password Make sure the Windows XP or Linix has been installed on the HDD Any other operating system can cau...

Page 38: ...low the power supply diagnostic procedure in Section 2 3 No Follow the power supply diagnostic procedure in Section 2 3 Follow the system board diagnostic procedure in Section 2 4 Follow the display diagnostic procedure in Section 2 7 Password displayed 1 Yes OS started See the previous page to delete the password Follow the HDD diagnostic procedure in Section 2 5 Yes No Yes No Yes No Yes Yes No N...

Page 39: ...erform each test with the diagnostic program Any error detected by the diagnostic program Perform the continuous test to check if the error is intermittent Identify the test resulting in the error and perform the appropriate diagnostic procedures Any error detected by the diagnostic program Identify the test resulting in the error and perform the appropriate diagnostic procedures The system is nor...

Page 40: ...stem board troubleshooting procedures in Section 2 4 2 If an error is detected by the Hard Disk test follow the HDD troubleshooting procedures in Section 2 5 3 If an error is detected by the Keyboard test follow the keyboard troubleshooting procedures in Section 2 6 4 If an error is detected by the Display test follow the display troubleshooting procedures in Section 2 7 5 If an error is detected ...

Page 41: ...ted Procedure 1 Power Icon Check Procedure 2 Connection Check Procedure 3 Replacement Check Procedure 1 Power Icon Check The following two power LEDs indicate the power supply status Battery LED DC IN LED The power supply controller displays the power supply status through the Battery and DC IN LEDs as in the tables below Battery LED Battery LED Power supply status Blinking in Green Battery being ...

Page 42: ...ring DC in Off Else If the DC IN LED off follow the steps below 1 Remove the battery pack and the AC adapter to shut off power supply to the computer 2 Attach the battery and AC adapter back again If the LED still off follows the steps below Check 1 Make sure the DC IN LED goes on in Green If it does not go to Procedure 2 Check 2 Make sure the Battery LED goes on in Green If it does not go to Proc...

Page 43: ... they have been connected correctly perform Check 2 Check 2 Connect a new AC adaptor and AC power cord If the DC IN LED does not go on go to Procedure 3 If the battery LED does not go on perform Check 3 Check 3 Make sure the battery pack has been correctly installed in the computer If the battery LED does not go on while the battery pack has been installed correctly go to Procedure 3 Procedure 3 R...

Page 44: ...3 Check 1 If the following error message is displayed on the screen press the F1 key as prompted These errors occur when the system configuration preserved in the RTC memory generally called CMOS memory does not match the actual configuration or when the data is lost If you press the F1 key as prompted by the message the TSETUP screen appears to set the system configuration If the error message ap...

Page 45: ...t programs using the procedures described in Chapter 3 1 System test 2 Memory test 3 Keyboard test 4 Display test 5 Hard Disk test 6 Mouse test 7 Sound test 8 LAN test If an error is detected during these tests go to Procedure 3 Procedure 3 Replacement Check The system board memory may be defective Disassemble the computer following the steps described in Chapter 4 and replace the system board mem...

Page 46: ... Follow the steps below to check the HDD Check 1 If either of the following messages appears go to Procedure 2 If the following messages do not appear perform Check 2 Insert system disk in drive Press any key when ready or Non System disk or disk error Replace and press any key Check 2 Check TSETUP to see if the Hard Disk option has been set to Not used If so choose another setting and restart the...

Page 47: ...listed on the display perform Check 5 Invalid media type reading drive C Abort Retry Fail Check 5 Use the SYS command in the DOS system to install system files If the following message appears on the display the system files have been transferred to the HDD Restart the computer If the problem persists go to Procedure 3 System transferred Procedure 3 Format Check The 2 5 inch HDD is formatted using...

Page 48: ...ot generated and the problem still exists go to Procedure 5 Table 2 1 HDD error code and status Code Status Get Parameter Fail 1 2 Read Old Data Error Write Pattern Error 3 4 Read Back Data Error Data Compare Error 5 Restore Data Error 6 Read Verify Error 7 9 Seek Error Disk Controller Self Test Failed 10 11 Disk Controller Test unexpected interrupt Failed Disk Controller action Test Failed 12 13 ...

Page 49: ...nect it firmly and return to Procedure 1 If there is still an error perform Check 2 Check 2 The HDD may be damaged Replace it with a new one following the disassembling instructions in Chapter 4 If the problem persists perform Check 3 Check 3 The System board may be damaged Replace it with a new one following the disassembling instructions in Chapter 4 If the problem persists perform Check 4 Check...

Page 50: ...apter 4 and perform the following checks Check 1 Make sure the keyboard cable has been firmly connected to the system board If the cable is loose or off reconnect it firmly and return to Procedure 1 If there is still an error perform Check 2 Check 2 The keyboard may be faulty Replace it with a new one following the instructions in Chapter 4 If the problem persists perform Check 3 Check 3 The Syste...

Page 51: ... the test See Chapter 3 for information on how to perform the test If an error is detected in the test go to Procedure 3 If no error is detected the display itself is normal Procedure 3 Connector Check and Replacement Check The display unit has an LCD module Fluorescent lamp FL panel close switch and FL inverter board Any of the components or their connections may be defective Disassemble the comp...

Page 52: ... cable is loose or off reconnect it firmly and return to Procedure 3 If there is still an error perform Check 6 Check 6 The LCD FL inverter cable may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 7 Check 7 The LCD module may be faulty Replace it with a new one and return to Procedure 3 If there is still an error perform Check 8 Check 8 The S...

Page 53: ...etected by the check go to Procedure 2 Procedure 2 Connector Check and Replacement Check The LAN connector RJ45 is mounted on the system board If the LAN malfunctions the system board might be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 The system board may be faulty Replace it with a new one following the instructions in Chap...

Page 54: ... 4 and perform the following checks Check 1 Make sure the Speaker cable has been firmly connected to the system board If the cable is loose or off reconnect it firmly and return to Procedure 1 If there is still an error perform Check 2 Check 2 The Speaker may be faulty Replace it with a new one following the instructions in Chapter 4 If the problem persists perform Check 3 Check 3 The System board...

Page 55: ...following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the cooling module has been firmly connected to the connector on the system board Also make sure that the tape is not stuck to any part of the fan and that the fan is free of foreign matter If the connector is disconnected connect it firmly to the system board and return to Procedure 1 If the tape is stuc...

Page 56: ...2 10Cooling Module 2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 21 ...

Page 57: ...Chapter 3 Diagnostic Programs ...

Page 58: ...ation 10 3 2 9 View Logs 11 3 2 10 Exit to Free DOS 12 3 2 11 The Diagnostics Screen Explanation 12 3 3 Options 15 3 3 1 Overview 15 3 3 2 Batch Parameters Configuration 16 3 3 3 Item s Parameters Configuration 18 3 3 4 Load Batch Parameters 19 3 3 5 Save Batch Parameters 20 3 3 6 LOG Parameters Setting 21 3 3 7 Specify LOG Viewer 22 3 3 8 Display LOG File 22 3 3 9 LOG Viewer 23 3 3 10 LOG File Sa...

Page 59: ...3 Diagnostic Programs TOSHIBA NB100 Maintenance Manual iii 3 9 Communication COMM 53 3 10 Peripheral 54 3 11 Error Codes and description 57 3 12 Quick Test Item List i ...

Page 60: ......

Page 61: ...ion that is currently running and close Windows The OPTION includes the following functions Select All Items Test Select Items Edit Batch Parameters Load Batch Parameters Save Batch Parameters Log Parameters Specify Log Viewer Display Error Log File DOS Shell Exit to Free DOS The DIAGNOSTIC TEST Devices include the following tests System Test Memory Test Storage Test Video Test Communication Test ...

Page 62: ...ted from the DIAGNOSTIC TEST menu Note When booting up the unit for the first time the system will automatically select the location of the result log file If a USB floppy drive is connected and there is an unprotected floppy diskette with more then 50KB spare space in the drive system will save all log files into the root directory the diskette otherwise system will save all log files in the root...

Page 63: ...ile a file named quick log has already existed the system will automatically rename Quick log to Quick old for the backup purpose of the log file For the detail of test item please refer to Quick Test Item List 3 2 2 Customization Test When this item is selected the system will run the diagnostic programs according to the procedures you defined When the test is completed a file named Custom log wi...

Page 64: ...e or press F8 to run the test The prompt information would be displayed in the screen as below This test item needs user to verify whether the mouse works normally The test result will be displayed in the following screen 4 TOSHIBA NB100 Maintenance Manual ...

Page 65: ... to start If there are parameters provided user should set parameters in the parameter dialog window CPU Speed Test Step by Step 1 Select test item Select System CPU CPU Speed then press the Enter key 2 Parameters Setting Choose the OK button after you set the proper parameters in the following window TOSHIBA NB100 Maintenance Manual 5 ...

Page 66: ...ethod used in Mouse test the user is required to select test items by pressing Space key and set the parameters artificially See 3 3 3 Item s Parameters Configuration Then press F8 to start the test User should configure each parameter in advance otherwise the default parameters would be used Using this method user is allowed to select more than one test item at one time 2 Running the current test...

Page 67: ...only one test item would be tested at one time 3 2 3 Keyboard Layout test The test purpose is to check whether 30 kinds of keyboards run well during the test procedure When users choose the item the names of these countries will be displayed on the screen for user choice User press any index of token in ASCII and the program will test the kind of keymap of the country The test screen would be show...

Page 68: ...l information when it is time to timeout The test will end when all keys are pressed or test time is out after 90 seconds 3 2 4 Audio Play Test Check whether the system could playback audio normally When the test is completed a file named Audio_P log will be saved in the defined location 3 2 5 Audio Record Test Check whether the system could record the sound normally If there is no error during th...

Page 69: ...ttribute could be edited and updated The 1st line the font in yellow with blue background shows the attribute s value that is read from the current system and the 2nd line the font in red with turquoise background shows the same value as that in the 1st line before user s editing User can modify the attribute s value in the 2nd line and press Enter to confirm the current edition and continue editi...

Page 70: ...During the reading process the following screen will be displayed to indicate that the progress is in detection On the left column of the above screen the detected hardware components are listed The corresponding information of the detected hardware components is displayed on the right of the screen It displays the current running status information of the check program The name of the program is ...

Page 71: ...he component or exit the current program On the left column the components information is listed and user can use arrow keys or PgUp PgDn to view the list and highlight the chosen component On the right column the configuration information of the highlighted component is listed Press ESC to exit this program 3 2 9 View Logs User can enter one choice to view a log file in the screen as follows TOSH...

Page 72: ...d USER BREAK in the central of the window whether user press ESC to interrupt the test 2 Test Running Status and Report Panel Test Running Status and Report Panel are located on the middle of Diagnostics Windows Test item name test process and test result are displayed in the left Test status and result are displayed in the upper right corner of the screen It displays the test status of the curren...

Page 73: ...ould use the hot key Ctrl D to achieve the same operation When the user calls ABORT ALL the following message box will prompt for his selecting 4 Title Bar Title Bar located at the top of the window it includes information as follows Program Name and Its Version Service Diagnostic Ver1 10 Test Module Name Label the name and version of the test module For example in the above screen the name of the...

Page 74: ...ttery Capacity detected in the current Battery e g BAT 46 Test Order Define the test sequence There is two sequence modes Sequential Test Mode and Random Test Mode The default mode is Sequential Test Mode it would displays ORDER SEQ as in the above screen LOG File Name Display the file name of the test log e g Custom Log in the above screen Start Test Time S TIME Display the test start time for th...

Page 75: ...created by the LOG file Options Menu Notes Select All None Items Switch between selecting all test items and selecting none The hot key is F6 Test Selected Items Execute all selected test items in this editor The hot key is F8 If Interactive option in batch parameters has not been selected a warning message would be shown as below Edit Batch Parameters TOSHIBA NB100 Maintenance Manual 15 ...

Page 76: ...nfigure LOG parameters Specify LOG Viewer Specify the viewer for the LOG file Display Error Log File Load the LOG file viewer specified in the Specify Log Viewer to view the LOG file DOS Shell Enter the DOS Shell and execute the DOS programs You can also exit to the Service Diagnostics Editor by the command of EXIT Exit to DOS Exit the Service Diagnostics Editor and back to DOS 3 3 2 Batch Paramet...

Page 77: ...ble Pause at the end of each test items and wait for the user to response with the test items that requires the user to assist the test processes such as the keystroke test 9 Interactive If the item is enabled during the test the test items that need user to response can run normally such as Mouse test If it is disabled those test items will report FAIL When the option here is enabled it would aff...

Page 78: ...Hrs and Time Limit Min Time Limit Hrs Specify the hours whether TIMEBOUND is chosen under the batch mode Time Limit Min Specify the minutes whether TIMEBOUND is chosen under the batch mode Number Of Loops Specify the repeating times when Loop Bound is chosen under the batch mode 3 3 3 Item s Parameters Configuration The test items parameters configuration screen can be accessed through Service Dia...

Page 79: ...arameters For the test items with specific parameters this option will call the related configuration screens Otherwise the program will show the following dialogue window Parameters for the specific test items Some test items Memory HDD e g have their individual parameters which can be configured in their parameters setting window 3 3 4 Load Batch Parameters Batch parameter is saved in the script...

Page 80: ...on In this window you can specify the INI files that you wanted to be edited or modified 3 3 5 Save Batch Parameters Here you can save the edited or modified content to the batch parameters files 20 TOSHIBA NB100 Maintenance Manual ...

Page 81: ...ions 9 Log Errors If selecting this parameter errors will be recorded when the test fails 9 Log Test Activities If selecting this parameter the subtest results will be recorded 9 Log Test Start Time If selecting this parameter the start time of the test will be recorded 9 Log Test End Time If selecting this parameter the end time of the test will be recorded 9 Log Errors Only If selecting this par...

Page 82: ...details of the failed test will be recorded Log file Name Specify the Log file name You can input the detail path of the file System will show the detail path of the file 3 3 7 Specify LOG Viewer You can specify the Log file viewer in the Specify Log Viewer screen The default viewing program of Service Diagnostics is LogView exe 3 3 8 Display LOG File You can specify the Log file for viewing in th...

Page 83: ...screen you can specify a Log file and view it with the viewer designated in Specify LOG Viewer 3 3 9 LOG Viewer Service Diagnostic Log viewer Scroll a line backward or forward on the screen Page Up Page Down TOSHIBA NB100 Maintenance Manual 23 ...

Page 84: ...le Log file is a test result file which records the following information Test module name Test item name Start End time and the test result including PASS FAIL SKIP and ABORT When a failure is found both the error code and the error information were recorded In the Log file we use Test Items as the test item name which could not be modified in the whole time And we use the Internal Name as name i...

Page 85: ...Memory Test PASS End Time Wed Jul 05 10 47 51 2006 Module Name Service Diagnostic Ver 1 00 Mouse Test Build Date 2006 01 10 MSTPad Begin Time Wed Jul 05 10 48 54 2006 Touch Pad Test FAIL ITEM TEST FAIL Function ID 502 Error Code 50202 Error Message Touch Pad Test Fail End Time Wed Jul 05 10 49 16 2006 ...

Page 86: ...3 Clock Calendar RealClock 04 PCI System PCI 05 Plug and Play PnP 06 ACPI Test ACPI 03 FAN 01 CPU Fan Speed Test FANSpeed Memory 01 BIOS ROM BIOSROM 02 Parity Parity 03 Pattern 01 Bit Stuck High Test BSHigh 02 Bit Stuck Low Test BSLow 03 Checker Board Test ChkBd 04 CAS Line Test CASLine 05 Incremental Test Incrment 06 Decremental Test Decrment 07 Incremental Decremental Test Idcrment 04 Extended P...

Page 87: ...t Color Color 05 80 25 Text Mode Text Mode 02 640 480 VGA Mode VGAMode 03 VESA Video Modes 01 640X480 Video Modes VESA 640x480x256 Mode VESA 640x480x32K Mode VESA 640x480x64K Mode VESA 640x480x16K Mode VESA 640x480x32bit Mode V640480_15 V640480_16 V640480_24 V640480_32 02 800X600 Video Modes VESA 800x600x256 Mode VESA 800x600x64K Mode VESA 800x600x32K Mode VESA 800x600x16K Mode VESA 800x600x32bit ...

Page 88: ...nual Test COMM 01 LAN Card 01 Device ID Detection DeviceID 02 Vendor ID Detection VendorID 03 Mac Address Detection MAC Address Peripheral 01 Keyboard 01 Keyboard Data Line KBDataLn 02 Keyboard Clock Line KBClokLn 02 Mouse 01 TouchPad MSTpad 03 Led 01 Device Led KBLED ...

Page 89: ...Subtest 01 CPU 1 Basic Functionality Test This test item is to check whether the CPU works normally through math and logic calculation which means verifying the general registers math registers and logic registers 2 CPU Speed This test item is to detect the work frequency of the current CPU User should change the parameters setting in the following window before the test TOSHIBA NB100 Maintenance ...

Page 90: ... Allowable Error Rate value you want for further comparison 3 Coprocessor 9 NPU Basic Functions Test This test item is to check whether the precision of the numeric processor in the float calculation is up to the IEEE standards 9 NPU Interrupt Test This test item is to check whether NPU transfers the abnormal Interrupt program correctly by forcing an abnormal float 4 CPU Information This test item...

Page 91: ...MA Controller This test item is to check whether the DMA controller works normally 2 Interval Timer This test item is to check whether the Interval Timer 18 2Hz 55ms works normally 3 Clock Calendar This test item is to check whether the system clock calendar works normally 4 PCI System This test item is to check whether the bus number device number and function number in PCI bus are valid 5 Plug a...

Page 92: ...k the correctness of ACPI system memory map and whether its mapping scope is within real memory ACPI Table Test Check the correctness of ACPI relative configuration tables in the current system Subtest 03 FAN Speed Test 1 CPU Fan Speed Test This test item is to check whether the CPU fan currently used works normally in the different speeds of stop slow middle and fast Below is the parameter settin...

Page 93: ...3 5 System Test 3 Diagnostic Programs TOSHIBA NB100 Maintenance Manual 33 ...

Page 94: ...er setting dialog window Test Option Choose the Memory part to take the test Base Memory or Extended Memory Extended Memory Test Range Specify the test coverage range of Extended Memory If user chooses Total Size it means that the whole Extended Memory will be tested Although user can input the parameter into other select box but the selected result is invalid If user chooses Special Size the test...

Page 95: ...g and reading with a series of designed pattern data Below is the parameter setting dialog window Test Option Choose the Memory part to take the test Base Memory or Extended Memory Extended Memory Test Range Specify the test coverage range of Extended Memory If user chooses Total Size it means that the whole Extended Memory will be tested Although user can input the parameter into other select box...

Page 96: ...t Stuck High Test Data pattern Every bit is 1 Each bit is high 2 Bit Stuck Low Test Data pattern Every bit is 0 Each bit is low 3 Checker Board Test Data pattern Lo byte and hi byte are composed with 0101 0x5 and 1010 0xA 4 CAS Line Test Data pattern Lo byte and hi byte are composed with 0000 0x0 and 1111 0xF 5 Incremental Test Data pattern A series of increasing data from 0 by adding 1 each time ...

Page 97: ...ize the test of Extended Memory will be taken according to the coverage range that user chooses or time Extended Memory Start Address and Extended Memory End Address MB Set the range of extended memory that is to be tested The test coverage will be according to the value setting in Percent mentioned at below Percent Choose the percentage of the defined range of the memory to be tested Time Limit h...

Page 98: ...ue on memory address lines Subtest 08 Refresh Test This test item is to check whether the memory refresh works normally The parameter dialog window is as follows Subtest 09 Cache Memory The test item is to check whether the CPU internal cache memory could be accessed correctly Subtest 10 Random Memory Random Memory test includes the following two test items Randomize Test and Random Incremental Re...

Page 99: ... memory could be correctly accessed with randomized memory address and a series of incremental data Subtest 11 Data Bus Test This test item is to check whether the data bus works normally Subtest 12 Memory Speed Test This test item is to check the data transferring rate for the cache memory and the system memory ...

Page 100: ...em is to check the HDD s Read Write function through data writing and reading to HDD This test item needs user to submit the parameters IDE HDD Test Range Specify the test coverage range of IDE HDD If user chooses Total Size it means that the whole IDE HDD will be tested Although user can input the parameter into other select box but the selected result is invalid If user chooses Special Size the ...

Page 101: ...st mode from the following options 1 Read Write Write data on the disk then read it out and compare the two value 2 Read Verify Read data only 3 Unprotected Write Write data on the disk without backup original data Option Select sequential test or random test 2 Sequential Random Seek The test item is to check the correctness of the HDD s sector s seeking function This test item involves the follow...

Page 102: ...e data rate 4 Controller Check Check the HDD controller s status including HDD interrupt and unexpected interrupt 5 Diagnostic Read Write This test item is a quick test to verify whether the HDD could be correctly accessed and the user could specify the percentage in the below dialog Percent 1 100 Specify the coverage rate in percentage of the total disk Time Limit h Choose or Input the time hour ...

Page 103: ...A NB100 Maintenance Manual 43 SMART stands for Self Monitoring Analysis and Reporting Technology SMART test will compare the attribute values with the threshold value in the HDD s controller to confirm whether there is any failure in the HDD ...

Page 104: ...by writing data into the video memory then reading it out and comparing the two value Subtest 01 Text Mode 1 Character Test Tests two types of font patterns Font 9 14 Font 9 16 It requires the user to check whether all characters of each font type displayed correctly by answering the questions prompted on screen It will be displayed as follows 2 Text Attribute This test item is to check whether th...

Page 105: ... hi intensity attribute Users need to check whether all texts displayed correctly in the above six attributes and key in the answer Y or N to the prompts Is this display OK Y N Enter Y Below is the test screen of Text Attribute 3 Text Page Selection This test item is to check whether the video memory could be correctly written and read in VGA text mode According to the comparison of written data w...

Page 106: ...byte of a character defines 8 background colors black blue green cyan red brown magenta and light gray and the bit0 3 defines 16 foreground colors dark gray light blue light green light cyan light red light magenta yellow and white besides the above 8 colors In the test user is required to respond according to the instruction in the screen 5 80 25 Text Mode 46 TOSHIBA NB100 Maintenance Manual ...

Page 107: ...n the test user is required to respond according to the instruction in the screen Subtest 02 640 480 VGA Mode This test item is to check whether 680 480 VGA Text mode works normally In the test user is required to respond according to the instruction in the screen TOSHIBA NB100 Maintenance Manual 47 ...

Page 108: ...ally In the test user is required to respond following the instruction in the screen 1 640X480 Video Modes Test 2 800X600 Video Modes Test Subtest 04 VESA Video Memory This test item is to check whether VESA video memory could be correctly accessed write data read data Below is the test item s parameter dialog window 48 TOSHIBA NB100 Maintenance Manual ...

Page 109: ...and display properly in further tests Subtest 05 AGP Test This test item is to report the system s Accelerated Graphics Port status and check whether AGP registers works normally Subtest 06 LCD Panel Test This test item is to check whether there is any fault in its resolution by displaying the RGB gradient color screens TOSHIBA NB100 Maintenance Manual 49 ...

Page 110: ...adapter and the display could display the purity color of red green blue black and white In the test user is required to respond according to the instruction in the screen Subtest 09 Direct Color Test This test item is to check the video adapter s composing ability of direct color in high and true color mode In the test user is required to respond according to the instruction in the screen 50 TOSH...

Page 111: ...ms Subtest 10 DAC Palette Address This test item is to check the function of DAC registers and Palette registers In the test user is required to respond according to the instruction in the screen TOSHIBA NB100 Maintenance Manual 51 ...

Page 112: ...3 Diagnostic Programs 3 8 Video 52 TOSHIBA NB100 Maintenance Manual ...

Page 113: ...s test item is to check whether the module can detect the existence of the network card and display its related information 1 Device ID Detection Detect the device ID of the network card 2 Vendor ID Detection Detect the vendor ID of the network card 3 MAC Address Detection Detect the MAC address of the network card ...

Page 114: ...heck whether the keyboard clock line works normally Subtest 02 Mouse Test Check whether the point devices work normally 1 Touch Pad Before test Touch Pad s function user should set a timeout time at below screen At the below screen of Touch Pad test user can press the left button right button and move the mouse to verify its functions for times and the test will end either by user break or test ti...

Page 115: ...3 10 Peripheral 3 Diagnostic Programs Subtest 03 Led Test 1 Led Test Check whether the green led works normally TOSHIBA NB100 Maintenance Manual 55 ...

Page 116: ...3 Diagnostic Programs 3 10 Peripheral Check whether the orange led works normally 56 TOSHIBA NB100 Maintenance Manual ...

Page 117: ...Error The CPU Logic Register is damaged As above 04 CPU Type Error The CPU Type is not supportable Check whether the CPU is Intel CPU 05 CPU Speed Error The CPU speed differs from the expected value Check the CPU speed and the set expected speed 06 NPU General Function Error The NPU arithmetic unit is damaged Replace the CPU 07 NPU Interrupt Error The NPU is damaged As above 08 CPU Information Err...

Page 118: ...nnels As above 14 Speed Error Failure during the transfer speed test As above 03xx Board 01 DMA Test Error DMA channel cannot transfer data normally Repeat multiple times Whether there is always the same error replace the board 04 Interval Timer Error The difference between the actual precision of the interval timer and its theory value is out of the permitted range The timer counts imprecisely As...

Page 119: ... Error 1 Physical problems with the video card 2 Physical problems with the monitor 1 Check whether there is any physical problem with the video card 2 Check whether there is any physical problem with the monitor 06 Character Test Error Physical problems with the video card Check whether there is any physical problem with the video card 07 DAC Palette Address Test Error As above As above 08 Color ...

Page 120: ... card 2 Physical problems with the monitor 1 Check and see whether the video card has any physical problem 2 Check and see whether the monitor has any physical problem 26 8bits Video Mode Test Error As above As above 27 15bits Video Mode Test Error As above As above 28 16bits Video Mode Test Error As above As above 29 24bits Video Mode Test Error As above As above 30 32bits Video Mode Test Error A...

Page 121: ...ged Send the HD for repair 03 Data Compare Error HD is damaged As above 04 Read Verify Error HD is damaged As above 05 Seek Error HD is damaged As above 06 Disk Controller Self Test Failed The HD controller is damaged As above 07 Disk Controller Test unexpected interrupt Failed The HD controller is damaged As above 09 Disk Controller action Test Failed The HD controller is damaged As above 10 Disk...

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Page 123: ...mation Memory BIOS ROM Cache Memory Bit Stuck High Test 10 or 3 minutes Bit Stuck Low Test 10 or 3 minutes Address Test Board Interval Timer Clock Calendar ACPI Test FAN FAN Speed Video VESA Video Memory 10 or 3 minutes Color Purity Test Direct Color Test LCD Panel Sequential Random Read 25 or 3 minutes HDD SMART Check Device ID Detection LAN Card Vendor ID Detection Mac Address Detection ...

Page 124: ...Chapter 4 Replacement Procedures ...

Page 125: ...4 Replacement Procedures 4 ii TOSHIBA NB100 Maintenance Manual ...

Page 126: ...nstalling the Battery Pack 4 9 Removing the Momery Card 4 10 Installing the Momery Card 4 11 Removing the Optional Memory 4 12 Installing the Optional Memory 4 13 4 2 Keyboard Cover and Keyboard 4 14 Removing the Keyboard Cover and Keyboard 4 14 Installing the Keyboard Cover and Keyboard 4 16 4 3 Wireless LAN Card 4 17 Removing the Wireless LAN Card 4 17 Installing the Wireless LAN Card 4 18 4 4 D...

Page 127: ...ooth Card 4 27 Installing the System Board DC IN RJ45 Cable and Blue Tooth Card 4 29 4 8 Display Mask 4 30 Removing the LCD Display Mask 4 30 Installing the LCD Display Mask 4 32 4 9 LCD Modules 4 33 Removing the LCD module 4 33 Installing the LCD Module 4 35 4 10 CCD board and Speakers 4 36 Removing the CCD board and Speakers 4 36 Installing the CCD board and Speakers 4 37 4 11 Touch Pad Board 4 ...

Page 128: ...f the computer 4 19 Figure 4 9 Removing the Display assembly 4 20 Figure 4 10 Removing the screws from the back of the computer 4 22 Figure 4 11 Removing the Top Cover 4 23 Figure 4 12 Removing the HDD pack 4 24 Figure 4 13 Removing the HDD chassis 4 25 Figure 4 14 Removing the HDD chassis 4 25 Figure 4 15 Removing the System board 4 27 Figure 4 16 Removing the System board 4 28 Figure 4 17 Removi...

Page 129: ...ers shown in the boxes Then start removal and replacement 4 5 Top Cover 4 2 Keyboard cover and Keyboard 4 3 Wireless LAN Card 4 7 4 4 Display Assembly 4 11 Touch pad board 4 8 Display Mask 4 9 System Board DC IN RJ 45 Cable and Blue Tooth Card 4 6 SSD HDD and Fan 4 10 CCD Board and Speakers LCD Modules TOSHIBA NB100 Maintenance Manual 4 1 4 5 Top Cover 4 2 Keyboard cover and Keyboard 4 3 Wireless ...

Page 130: ...y and FL inverter carry high voltages When you partially disassemble the computer and turn on the components use extreme care not to touch the connectors and components to avoid the risk of electrical shock Do not disassemble individual components during first level maintenance WARNING 1 To avoid the risk of electrical shock turn the computer off and remove the AC adapter from the electrical outle...

Page 131: ...e screws can cause short circuits overheating smoke or fire 3 Before raising a FRU or other component make sure that all the component cables have been disconnected to avoid the risk of electrical shock caused by accidental contact with the energized components 4 For AC input be sure to use the AC adapter and AC power cable that come with your computer or Toshiba recommended equivalents 5 To avoid...

Page 132: ...d in Chapter 2 of this manual to identify the FRU that has probably caused the system failure Perform only the required machine operations Use only the disassembly and reinstallation procedures described in this manual Place the removed components in a safe place away from the computer so that they are not damaged or get in the way of you doing your work Normally a number of screws need to be remo...

Page 133: ...sing the pressure plate up to a satisfactory height Normal pin connectors are used for all the other types of cables These connectors can be installed or removed by simply inserting them or pulling them out Assembly Procedures You have to reassemble the computer after you have disassembled the computer and fixed the component that caused the problem When reassembling the computer keep the followin...

Page 134: ...de screwdriver Torx screwdriver Tweezers for pulling out screws ESD mats for the floor and work desks An ESD wrist strap or heel grounder Anti static carpets or flooring Air ionizers for highly electrostatic sensitive areas A plastic card in credit card size Screw Tightening Torque To secure screws follow the torque values listed below Over tightening can damage components and screws Under tighten...

Page 135: ...ymbols of Screws on the Computer Body For easy maintenance the screw types are shown on the computer body as symbols A symbol consists of a letter representing the screw type and a numeral representing the screw length Screw type Letter Bind screw B stands for bind Flat head screw F stands for flat head Super flat head screw S stands for super flat head Tapping screw T stands for tapping Other scr...

Page 136: ...or bend the battery packs Do not scratch or break up their casing 1 Turn the computer upside down so that the back is facing you 2 Slide out the battery lock 3 Slide the battery release latch and remove the battery pack from the computer Battery pack k Battery release latch Battery lock Figure 4 1 Removing the battery pack NOTE Dispose of the used battery packs as required by local ordinances or r...

Page 137: ...n explode due to improper replacement use handling or disposal Always dispose of the battery packs as required by local ordinances or regulations Use only replacement batteries recommended by Toshiba NOTE Visually check the battery s terminals If they are dirty clean them with a dry cloth 1 Gently insert a new or recharged battery pack into place Check that the battery release latch slides in and ...

Page 138: ...s and Figure 4 2 after checking that the computer is turned off in boot mode 1 Open the card cover 2 Push the memory card to be removed until it stops then release the memory card 3 When the memory card pops out grasp it and pull it out Memory card Figure 4 2 Removing the memory card 4 10 TOSHIBA NB100 Maintenance Manual ...

Page 139: ...e 4 2 after checking that the computer is turned off in boot mode 1 Insert the memory card gently until it stops and is seated securely 2 Checking that the memory card is seated securely After the PC card is installed check the hardware configuration in the Hardware Setup or TSETUP program to make sure that the PC card is compatible with the current hardware configuration ...

Page 140: ...e computer upside down 2 Release one optional memory cover securing the screw 3 Remove the memory cover CAUTION Do not touch the connectors on the memory modules or in the computer Contaminated connectors can cause memory access problems Memory cover secure screw Memory cover Memory Memory Slot Stopper Figure 4 3 Removing the optional memory 4 Spread out the two memory lock latches so that the mem...

Page 141: ...mory after turning off the computer If this is violated the computer or memory can be damaged 1 Insert the memory module into the connector at an angle of 45 degrees 2 Press down on the memory module so that it is secured with both memory lock latches 3 Reinstall the optional memory cover 4 Secure the optional memory cover with the optional memory cover securing screw After the computer is turned ...

Page 142: ...latch on each of the left and right sides Four bottom latches 2 Remove two M2 5x10 black flat head screws and one M2 5 x 5 black flat head screw 3 Remove the keyboard cover 4 Remove two M2 x 4 black flat head screws 5 Release the keyboard lock latch 6 Disconnect the keyboard cable from CN6 on the system board 7 Remove the keyboard M2 5X10 black flat head screw M2 5 X 5 black flat head screw Figure...

Page 143: ...board 4 Replacement Procedures Keyboard cover Figure 4 5 Removing the keyboard cover and keyboard M2x4 black flat head screw Keyboard CN6 Figure 4 6 Removing the keyboard cover and keyboard TOSHIBA NB100 Maintenance Manual 4 15 ...

Page 144: ...igure 4 4 4 5 4 6 1 Connect the keyboard cable to CN6 on the system board 2 Secure the keyboard with two M2 x 4 black flat head screws 3 Place the keyboard cover in the correct position and secure the following 6 latches in that order One latch on each of the left and right sides Four bottom latches 4 Secure the keyboard cover with two M2 5 x 10 flat head screws and one M2 5 x 5 black flat head sc...

Page 145: ... with your bare hands Wireless LAN cards can fail if they are contaminated with sweat natural oils etc from your hands 1 Disconnect the two antenna cables with tweezers 2 Remove the two M2x2 black flat head screws securing the wireless LAN card 3 Pull the wireless LAN card up from CN4 on the system board and out at an angle M2 x2 black flat head screw White wire Black wire Wireless Figure 4 7 Remo...

Page 146: ...the wireless LAN card into the CN4 an angle of 45 degrees 2 Press down on the wireless LAN card to secure it with two M2x2 black flat head screws 3 Connect the two antenna cables by pressing them firmly into place CAUTION Do not touch the connectors on the wireless LAN card and in the computer with your bare hands Wireless LAN cards can fail if they are contaminated with sweat natural oils etc fro...

Page 147: ...two M2 5x10 black flat head screws 2 Restore the normal computer placement and open the display panel M2 5 X 10 black flat head screw Figure 4 8 Removing the screws from the back of the computer 3 Disconnect the LCD FL cable from CN3 on the system board 4 Disconnect the Speakers cable from CN7 on the system board 5 Remove two M2 5x 10 black flat head screws securing the LCD module to the bottom co...

Page 148: ...4 Replacement Procedures 4 4 Display Assembly 7 Remove the display module M2 5 x 10 black flat head screw CN3 CN7 Figure 4 9 Removing the display assembly 4 20 TOSHIBA NB100 Maintenance Manual ...

Page 149: ...panel in the correct position and push the wireless antenna cable Speakers cable and LCD FL cable into the bottom cover 2 Connect the LCD FL cable to CN3 on the system board 3 Connect the Speakers cable to CN7 on the system board 4 Secure the display assembly with two M2 5x 10 black flat head screws Close the display panel and turn the computer so that the back is facing you and secure two M2 5x 1...

Page 150: ...side down and remove the following 6 screws Six M2 5x 5 black flat head screws M2 5 x 5 black flat head screw Figure 4 10 Removing the screws from the bottom of the computer 2 Turn the computer right side up 3 Remove four M2 5x 8 black flat head screws on the top cover 4 Disconnect the touch pad board flat cable from CN8 5 Lift up the top cover 4 22 TOSHIBA NB100 Maintenance Manual ...

Page 151: ...according to the following procedures and Figures 4 10 4 11 1 Seat the top cover adjusting its position 2 Secure the top cover with four M2 5 x 8 black flat head screws 3 Connect the touch pad board flat cable to CN8 on the system board 4 Turn the computer upside down and secure it with the following 6 screws Six M2 5x 5 black flat head screws TOSHIBA NB100 Maintenance Manual 4 23 ...

Page 152: ...nd Figures 4 12 4 13 4 14 1 Remove the two M2 5 x 4 flat head screws on the SSD HDD pack 2 Remove the SSD HDD pack by pulling on the tab attached to the pack 3 Remove one M2 5 x 7 black flat head screw on the Fan 4 Disconnect the Fan cable form CN9 5 Remove Fan M2 5 x 4 black flat head screw M2 5 X 7 black flat head screw CN9 Figure 4 12 Removing the HDD pack NOTE Do not disassemble the HDD pack w...

Page 153: ...ce the SSD HDD pack on a flat surface such as a desk and remove the chassis M3 x 3 5 black flat head screw HDD SSD HDD chassis Figure 4 13 Removing the SSD HDD chassis M3 x 3 5 black flat head screw SSD HDD Chassis SSD Figure 4 14 Removing the SSD HDD chassis CAUTION Do not apply pressure to the top or bottom of the drive TOSHIBA NB100 Maintenance Manual 4 25 ...

Page 154: ...sis 2 Secure the SSD HDD and its chassis with four M3x3 5 black flat head screws CAUTION To prevent the HDD bracket from being distorted when installing the HDD pack into the computer do not press the center of the HDD pack Always hold the HDD pack by its sides 3 Install the SSD HDD pack into the correct position in the computer Connect the SSD HDD pack to the computer holding the HDD pack by its ...

Page 155: ...ue Tooth Card according to the following procedures and Figure 4 15 4 16 1 Remove the DC IN cable from CN5 on the system board 2 Remove the RJ 45 cable from CN511 3 Remove one M 1 6 x 4 black flat head screw on Blue Tooth card 4 Remove the Blue Tooth cable from CN10 on the system board 5 Remove the Blue Tooth Card on system board 6 Remove the MIC rubber on the system board RJ45 cable M1 6 x 4 blac...

Page 156: ...ve one M2 5 x 5 and one M2 5 x 3 5 black flat head screws on the system board 8 Remove the system board M2 5 x 5 black flat head screw CN3 CN6 CN7 CN4 CN509 CN9 CN10 M2 5 x 3 5 black flat head screw CN8 CN511 CN5 Figure 4 16 Removing the system board 4 28 TOSHIBA NB100 Maintenance Manual ...

Page 157: ...PC card It can be damaged when installing the system board Make sure it is pushed in 1 Seat the system board in the correct position 2 Secure the system board with one M2 5 x 5 and one M2 5 x 3 5 black flat head screws 3 Seat the Blue Tooth card in the correct position 4 Secure the Blue Tooth card with one M 1 6 x 4 black flat head screw 5 Connect the Blue Tooth cable to CN10 on the system board 6...

Page 158: ...black seals on the top 2 Remove the following 2 screws on the display module in that order Two M2 5x5 black flat head screws on the top 3 Release the following 21 latches on the display mask in that order Five bottom latches Four latches on each of the left and right sides Four top latches Four latches under top cover Seal M2 5 X5 black flat head screw LCM module Figure 4 17 Removing the display m...

Page 159: ......

Page 160: ...4 8 Display Mask 4 Replacement Procedures Display mask Figure 4 18 Removing the display mask TOSHIBA NB100 Maintenance Manual 4 31 ...

Page 161: ......

Page 162: ...play mask in the correct position and secure the following 21 latches in that order Four latches under top cover Four top latches Four latches on each of the left and right sides Five bottom latches 2 Secure the display mask with the following 2 screws in that order Two M2 5 x 5 black flat head screws on the top 3 Secure the following 2 seals to cover the screws in that order Two black seals on th...

Page 163: ......

Page 164: ...emoving the LCD module Remove the LCD module according to the following procedures and Figures 4 19 4 20 1 Remove LCM CCD Cable from CCD Board Connector 2 Remove two M2 5 x 5 black flat head screws on each side securing the LCD bracket 3 Carefully tilt the LCD module toward you 4 Remove two M2 x 2 5 black flat head screws on each securing the LCD bracket 5 Remove the LCD brackets M2 5 X 5 black fl...

Page 165: ...4 Replacement Procedures 4 9 LCD Module M2 x 2 5 black flat head screw M2 x 2 5 black flat head screw LCD module Figure 4 20 Removing the LCD module and screws 4 34 TOSHIBA NB100 Maintenance Manual ...

Page 166: ...n and secure it with two M2 x 2 5 black flat head screws on each side 3 Place the LCD module in the correct position and secure it with two M2 5 x 5 black flat heat screws on each side 4 Connect the LCM CCD Cable to Connector on CCD Board CAUTION When installing the LCD module please follow below instruction When plug in LCD FL cable into LCD module connector need to plug horizontally For Sharp pa...

Page 167: ......

Page 168: ...eakers according to the following procedures and Figure 4 21 1 Remove Two M2 x 2 black flat head screws on CCD board 2 Remove the CCD module from display rear cover 3 Remove the right and left side Speakers M2 x 2 black flat head screw CCD board Speakers Figure 4 21 Removing the CCD board and Speakers 4 36 TOSHIBA NB100 Maintenance Manual ...

Page 169: ......

Page 170: ... and Speakers Install the CCD board and Speakers according to the following procedures and Figure 4 21 1 Seat the CCD module in the correct position 2 Secure Two M2 x 2 black flat head screws on the CCD board 3 Seat the right and left side Speakers on the correct position 4 Route the speaker cable in the wire guide ...

Page 171: ......

Page 172: ...08 and CN507 on the touch button board 2 Remove two M2 x 4 black flat head screws securing the button board 3 Remove one M2 x 2 5 black flat head screw securing the touch pad finger 4 Remove the touch pad board and touch pad finger Touch pad finger Touch pad Touch pad board M2 x 4 black flat head screw M2 x 2 5 black flat head screw CN507 CN508 Figure 4 22 Removing the touch pad board 4 38 TOSHIBA...

Page 173: ......

Page 174: ...ccording to the following procedures and Figure 4 22 1 Seat the touch pad finger in the correct position and secure it with one M2 x 2 5 black flat head screw 2 Seat the touch pad board in the correct position and secure it with the two M2 x 4 black flat head screws 3 Connect the button board flat cables to CN507 and CN 508 on the button board ...

Page 175: ...6000 1 次 Appendices ...

Page 176: ...or 4 Pin C 5 C 8 CN8 Touch Pad Connector 12 Pin C 5 C 9 CN9 Fan Connector 3 Pin C 5 C 10 CN10 Bluetooth Cable Connector 10 Pin C 6 C 11 CN500 USB Port 1 Connector 4 Pin C 6 C 12 CN501 USB Port 2 Connector 4 Pin C 6 C 13 CN502 RTC Battery Connector 2 Pin C 6 C 14 CN503 Card Reader Connector 21 Pin C 7 C 15 CN504 DDR2 DIMM0 Socket 200 Pin C 7 C 16 CN505 HDD Connector 22 Pin C 10 C 17 CN507 Touch Pad...

Page 177: ...Appendices TOSHIBA NB100 Maintenance Manual App iii Appendix D Keyboard Scan Character Codes D 1 Appendix E Key Layout E 1 ...

Page 178: ...le 1 When installing the LCD module in the LCD cover be sure to seat it so that it is properly aligned and maximum visibility of the display is maintained 2 Be careful to align the four holes at the right side and left side of the LCD module with the corresponding holes in the LCD cover before securing the module with four screws Do not force the module into place because stress can affect its per...

Page 179: ...o create a light condensate and wipe it again If the surface is very dirty we recommend a CRT cleaning agent Apply the agent to a cloth and then wipe the panel s surface Do not apply cleanser directly to the panel Also never scratch the surface 4 If water or other liquid is left on the panel s surface for a long period it can change the screen s tint or stain it Be sure to quickly wipe off any liq...

Page 180: ...lass is used in the panel so be careful not to drop it or let it strike a hard object which could cause breakage or cracks 6 CMOS LSI circuits are used in the module so guard against damage from electrostatic discharge Be sure to wear a wrist or ankle ground when handling the module ...

Page 181: ...intenance Manual 7 Do not expose the module to direct sunlight or strong ultraviolet rays for long periods 8 Do not store the module at temperatures below specifications Cold can cause the liquid crystals to freeze lose their elasticity or otherwise suffer damage ...

Page 182: ...l A 5 9 Do not disassemble the LCD module Disassembly can cause malfunctions 10 If you transport the module do not use packing material that contains epoxy resin amine or silicon glue alcohol or oxime These materials can release gas that can damage the panel s polarization ...

Page 183: ...Apx B Board Layout Appendices TOSHIBA NB100 Maintenance Manual B 1 Appendix B Appendix B Board Layout B 1 System Board Front View Figure B 1 Board layout front ...

Page 184: ...Appendices Apx B Board Layout B 2 TOSHIBA NB100 Maintenance Manual Figure B 2 Board layout back ...

Page 185: ...Pin C 5 C 10 CN10 Bluetooth Cable Connector 10 Pin C 6 C 11 CN500 USB Port 1 Connector 4 Pin C 6 C 12 CN501 USB Port 2 Connector 4 Pin C 6 C 13 CN502 RTC Battery Connector 2 Pin C 6 C 14 CN503 Card Reader Connector 21 Pin C 7 C 15 CN504 DDR2 DIMM0 Socket 200 Pin C 7 C 16 CN505 HDD Connector 22 Pin C 10 C 17 CN507 Touch Pad Connector 12 Pin C 11 C 18 CN508 Touch Pad Board Connector 14 Pin C 11 C 19...

Page 186: ... 4 5 GND 6 GND 7 GND 8 GND 9 VCC 5V 10 GND 11 12 CRT_DDCDATA I O 13 HSYNC O 14 YSYNC O 15 CRT_DDCCLK I O C 2 CN2 Battery Connector 6 Pin Table C 2 Battery Connector pin assignments 6 Pin Pin No Signal Name I O Pin No Signal Name I O 1 THRM1 I 2 BATT_CLK I O 3 BATT_DATA I O 4 THRM1 I 5 THRM1 I 6 GND C 3 CN3 LCD Web CAM Connector 40 Pin Table C 3 LCD Web CAM Connector pin assignments 40 Pin Pin No S...

Page 187: ...8 GND 29 VLED O 30 VLED O 31 VLED_GND 32 VLED_GND 33 VLED_GND 34 S_PWMIN O 35 NC ENB O 36 DGND 37 USB_P6 I O 38 USB_P6 I O 39 DGND 40 5VS C 4 CN4 WWAN Connector 52 Pin Table C 4 WWAN Connector pin assignments 52 Pin Pin No Signal Name I O Pin No Signal Name I O 1 PCIE_WAKE O 2 V3S 3 4 GND 5 6 V1 5S 7 CLK_REQ_MINI1 I 8 9 GND 10 11 CLK_PCIE_MINI1 O 12 13 CLK_REQ_MINI1 O 14 15 GND 16 17 18 GND 19 20 ...

Page 188: ...Table C 5 DC IN Connector pin assignments 4 Pin Pin No Signal Name I O Pin No Signal Name I O 1 VCC 2 VCC 3 GND 4 GND C 6 CN6 Internal Keyboard Connector 24 Pin Table C 6 Keyboard Connector pin assignments 24 Pin Pin No Signal Name I O Pin No Signal Name I O 1 SCAN_OUT 0 I O 2 SCAN_OUT 1 I O 3 SCAN_OUT 2 I O 4 SCAN_OUT 3 I O 5 SCAN_OUT 4 I O 6 SCAN_OUT 5 I O 7 SCAN_OUT 6 I O 8 SCAN_OUT 7 I O 9 SCA...

Page 189: ...No Signal Name I O Pin No Signal Name I O 1 SPK_OUT_L O 2 SPK_OUT_L O 3 SPK_OUT_R O 4 SPK_OUT_R O C 8 CN8 Touch Pad Connector 12 Pin Table C 8 Touch Pad Connector pin assignments 12 Pin Pin No Signal Name I O Pin No Signal Name I O 1 GND 2 SW L 3 SW L 4 VDD 5 VDD 6 PS 2 DATA I O 7 PS 2 DATA I O 8 PS 2 CLK I O 9 PS 2 CLK I O 10 SW R 11 SW R 12 GND C 9 CN9 Fan Connector 3 Pin Table C 9 Fan Connector...

Page 190: ...CN500 USB Port 1 Connector 4 Pin Table C 11 USB Port 1 Connector pin assignments 4 Pin Pin No Signal Name I O Pin No Signal Name I O 1 VCC 5V 2 USB_P0 I O 3 USB_P0 I O 4 GND C 12 CN501 USB Port 2 Connector 4 Pin Table C 12 USB Port 2 Connector pin assignments 4 Pin Pin No Signal Name I O Pin No Signal Name I O 1 VCC 5V 2 USB_P0 I O 3 USB_P0 I O 4 GND C 13 CN502 RTC Battery Connector 2 Pin Table C ...

Page 191: ...4 MS DATA3 I O 15 SD CMD I O 16 MS SCLK I O 17 MS VCC 18 SD DATA3 I O 19 GND 20 SD DATA2 I O 21 SD CD SW I O C 15 CN504 DDR2 DIMM0 Socket 200 Pin Table C 15 DDR2 DIMM0 Socket pin assignments 200 Pin Pin No Signal Name I O Pin No Signal Name I O 1 VREF I O 2 GND 3 GND I O 4 M_A_DQ 4 I O 5 M_A_DQ 0 I O 6 M_A_DQ 5 I O 7 M_A_DQ 1 I O 8 GND I O 9 GND 10 M_A_DM 0 O 11 M_A_DQS 0 I O 12 GND 13 M_A_DQS 0 I...

Page 192: ...2 I O 50 PM_EXTTS 0 O 51 M_A_DQS 2 I O 52 M_A_DM 2 O 53 GND 54 GND 55 M_A_DQ 18 I O 56 M_A_DQ 22 I O 57 M_A_DQ 19 I O 58 M_A_DQ 23 I O 59 GND 60 GND 61 M_A_DQ 24 I O 62 M_A_DQ 28 I O 63 M_A_DQ 25 I O 64 M_A_DQ 29 I O 65 GND 66 GND 67 M_A_DM 3 O 68 M_A_DQS 3 I O 69 70 M_A_DQS 3 I O 71 GND 72 GND 73 M_A_DQ 26 I O 74 M_A_DQ 30 I O 75 M_A_DQ 27 I O 76 M_A_DQ 31 I O 77 GND 78 GND 79 M_CKE0 O 80 M_CKE1 ...

Page 193: ...4 M_A_DQ 36 I O 125 M_A_DQ 33 I O 126 M_A_DQ 37 I O 127 GND 128 GND 129 M_A_DQS 4 I O 130 M_A_DM 4 O 131 M_A_DQS 4 I O 132 GND 133 GND 134 M_A_DQ 38 I O 135 M_A_DQ 34 I O 136 M_A_DQ 39 I O 137 M_A_DQ 35 I O 138 GND 139 GND 140 M_A_DQ 44 I O 141 M_A_DQ 40 I O 142 M_A_DQ 45 I O 143 M_A_DQ 41 I O 144 GND 145 GND 146 M_A_DQS 5 I O 147 M_A_DM 5 O 148 M_A_DQS 5 I O 149 GND 150 GND 151 M_A_DQ 42 I O 152 ...

Page 194: ...3 GND 184 GND 185 M_A_DM 7 O 186 M_A_DQS 7 I O 187 GND 188 M_A_DQS 7 I O 189 M_A_DQ 58 I O 190 GND 191 M_A_DQ 59 I O 192 M_A_DQ 62 I O 193 GND 194 M_A_DQ 63 I O 195 SMB_DATA_S I O 196 GND 197 SMB_CLK_S O 198 GND 199 VDDSPD 200 GND C 16 CN505 HDD Connector 22 Pin Table C 16 HDD Connector pin assignments 22 Pin Pin No Signal Name I O Pin No Signal Name I O 1 GND 2 SATA_C_TXP0 O 3 SATA_C_TXN0 O 4 GND...

Page 195: ...N508 Touch Pad Board Connector 14 Pin Table C 18 Touch Pad Board Connector pin assignments 14 Pin Pin No Signal Name I O Pin No Signal Name I O 1 V3S_T 2 V3A_T 3 3G_LED _T O 4 PWR_LED _T O 5 CAPS_LED _T O 6 NUM_LED _T O 7 HDD_LED _T O 8 CHARGE_LED _T O 9 WIFI_BT_LED _T O 10 GND 11 IM_DATA_T I O 12 IM_CLK_T I O 13 V5S_T 14 V5S_T C 19 CN509 Mini Card Connector 52 Pin Table C 19 Mini Card Connector p...

Page 196: ..._TXP2_CARD O 34 GND 35 GND 36 USB_P3 I O 37 TP6 38 USB_P3 I O 39 V3S 40 GND 41 V3S 42 43 44 45 46 47 48 V1 5S 49 50 GND 51 52 V3S C 20 CN510 USB Port 3 Connector 4 Pin Table C 20 USB Connector pin assignments 4 Pin Pin No Signal Name I O Pin No Signal Name I O 1 VCC 5V 2 USB_P0 I O 3 USB_P0 I O 4 GND C 21 JACK1 External Micro Phone Connector 6 Pin Table C 39 External Micro Connector pin assignment...

Page 197: ...tor 6 Pin Table C 40 Head Phone Connector pin assignments 6 Pin Pin No Signal Name I O Pin No Signal Name I O 1 GND 2 HP_L_JACK O 3 HP_R_JACK O 4 GND 5 HP_SENSE I 6 C 23 JACK500 RJ45 Connector 9 Pin Table C 41 RJ45 Connector pin assignments 9 Pin Pin No Signal Name I O Pin No Signal Name I O 1 GND 2 TD O 3 TD O 4 RD O 5 RD O 6 7 8 9 ...

Page 198: ...0 1E 04 3 04 84 26 F0 26 05 4 05 85 25 F0 25 06 5 06 86 2E F0 2E 07 6 07 87 36 F0 36 08 7 08 88 3D F0 3D 2 09 8 09 89 3E F0 3E 2 10 9 0A 8A 46 F0 46 2 11 0 0B 8B 45 F0 45 2 12 _ 0C 8C 4E F0 4E 13 0D 8D 55 F0 55 14 7D F0 7D 15 BkSp 0E 8E 66 F0 66 16 Tab 0F 8F 0D F0 0D 17 Q 10 90 15 F0 15 18 W 11 91 1D F0 1D 19 E 12 92 24 F0 24 20 R 13 93 2D F0 2D 21 T 14 94 2C F0 2C 22 Y 15 95 35 F0 35 23 U 16 96 3...

Page 199: ... 20 A0 23 F0 23 34 F 21 A1 2B F0 2B 35 G 22 A2 34 F0 34 36 H 23 A3 33 F0 33 37 J 24 A4 3B F0 3B 2 38 K 25 A5 42 F0 42 2 39 L 26 A6 4B F0 4B 2 40 27 A7 4C F0 4C 2 41 28 A8 52 F0 52 43 Enter 1C 9C 5A F0 5A 3 44 Shift L 2A AA 12 F0 12 46 Z 2C AC 1A F0 1A 47 X 2D AD 22 F0 22 48 C 2E AE 21 F0 21 49 V 2F AF 2A F0 2A 50 B 30 B0 32 F0 32 51 N 31 B1 31 F0 31 52 M 32 B2 3A F0 3A 2 53 33 B3 41 F0 41 2 54 34 ...

Page 200: ... R E0 38 E0 B8 E0 11 E0 F0 11 75 Ins E0 52 E0 D2 E0 70 E0 F0 70 1 76 Del E0 53 E0 D3 E0 71 E0 F0 71 1 79 E0 4B E0 CB E0 6B E0 F0 6B 1 83 E0 48 E0 C8 E0 75 E0 F0 75 1 84 E0 50 E0 D0 E0 72 E0 F0 72 1 89 E0 4D E0 CD E0 74 E0 F0 74 1 110 Esc 01 81 76 F0 76 112 F1 3B BB 05 F0 05 113 F2 3C BC 06 F0 06 114 F3 3D BD 04 F0 04 115 F4 3E BE 0C F0 0C 116 F5 3F BF 03 F0 03 117 F6 40 C0 0B F0 0B 118 F7 41 C1 83...

Page 201: ...0 1F E0 F0 1F 129 App E0 5D E0 DD E0 2F E0 F0 2F 131 NONCONVERT 7B F0 7B 67 F0 67 8 132 CONVERT 79 F0 79 64 F0 64 8 133 KATAKANA 70 F0 70 13 F0 13 8 Notes 1 Scan codes differ by mode 2 Scan codes differ by overlay function 3 Combination with the Fn key makes different codes 4 Fn key does not generate a code by itself 5 This key corresponds to key No 42 in a 102 key model 6 Refer to Table D 6 No 12...

Page 202: ...12 84 E0 AA E0 50 E0 D0 E0 2A E0 F0 12 E0 72 E0 F0 72 E0 12 83 PgUp E0 AA E0 49 E0 C9 E0 2A E0 F0 12 E0 7D E0 F0 7D E0 12 84 PgDn E0 AA E0 51 E0 D1 E0 2A E0 F0 12 E0 7A E0 F0 7A E0 12 89 E0 AA E0 4D E0 CD E0 2A E0 F0 12 E0 74 E0 F0 74 E0 12 127 Win E0 AA E0 5B E0 DB E0 2A E0 F0 12 E0 1F E0 F0 1F E0 12 129 App E0 AA E0 5D E0 DD E0 2A E0 F0 12 E0 2F E0 F0 2F E0 12 Note Fn key Home key Fn key PgUp ke...

Page 203: ... C8 E0 AA E0 12 E0 75 E0 F0 75 E0 F0 12 84 E0 2A E0 50 E0 D0 E0 AA E0 12 E0 72 E0 F0 72 E0 F0 12 83 PgUp E0 2A E0 49 E0 C9 E0 AA E0 12 E0 7D E0 F0 7D E0 F0 12 84 PgDn E0 2A E0 51 E0 D1 E0 AA E0 12 E0 7A E0 F0 7A E0 F0 12 89 E0 2A E0 4D E0 CD E0 AA E0 12 E0 74 E0 F0 74 E0 F0 12 127 Win E0 2A E0 5B E0 DB E0 AA E0 12 E0 1F E0 F0 1F E0 F0 12 129 App E0 2A E0 5D E0 DD E0 AA E0 12 E0 2F E0 F0 2F E0 F0 1...

Page 204: ...2 F0 72 39 L 3 51 D1 7A F0 7A 40 4A CA 7B F0 7B 52 M 0 52 D2 70 F0 70 54 53 D3 71 F0 71 55 4E CE 79 F0 79 4E CE 79 27 Enter E0 1C E0 9C E0 5A E0 F0 5A 46 Z 56 D6 61 F0 61 79 Home E0 47 E0 C7 E0 6C E0 F0 6C 83 PgUp E0 49 E0 C9 E0 7D E0 F0 7D 84 PgDn E0 51 E0 D1 E0 7A E0 F0 7A 89 End E0 4F E0 CF E0 69 E0 F0 69 This key is for UK keyboard only Table D 6 No 124 key scan code Code set 1 Code set 2 Key ...

Page 205: ...des D 8 TOSHIBA NB100 Maintenance Manual Table D 7 No 126 key scan code Code set 1 Code set 2 Key top Shift Make Make Pause Common E1 1D 45 E1 9D C5 E1 14 77 E1 F0 14 F0 77 Ctrl E0 46 E0 C6 E0 7E E0 F0 7E This key generates only make codes ...

Page 206: ...Apx E Key Layout Appendices TOSHIBA NB100 Maintenance Manual E 1 Apx E Key Layout Appendix E Key Layout E 1 United States US Keyboard Figure E 1 US keyboard E 2 Japan JP Keyboard Figure E 2 JP keyboard ...

Page 207: ...Appendices Apx E Key Layout E 2 TOSHIBA NB100 Maintenance Manual E 3 German GR Keyboard Figure E 3 GR keyboard E 4 DU UE US International USE Keyboard Figure E 4 USE keyboard ...

Page 208: ...Apx E Key Layout Appendices TOSHIBA NB100 Maintenance Manual E 3 E 5 Arabic AR Keyboard Figure E 5 AR keyboard E 6 Nordic NE Keyboard Figure E 6 NO keyboard ...

Page 209: ...Appendices Apx E Key Layout E 4 TOSHIBA NB100 Maintenance Manual E 7 Dutch DT Keyboard Figure E 7 DK keyboard E 8 Greek GK Keyboard Figure E 8 GK keyboard ...

Page 210: ...Apx E Key Layout Appendices TOSHIBA NB100 Maintenance Manual E 5 E 9 Herbrew HE Keyboard Figure E 9 HE keyboard E 10 Slovakian SK Keyboard Figure E 10 SK keyboard ...

Page 211: ...Appendices Apx E Key Layout E 6 TOSHIBA NB100 Maintenance Manual E 11 United Kingdom EN Keyboard Figure E 11 EN keyboard ...

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