Toshiba Satellite Pro 430CDS Maintenance Manual Download Page 152

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430 Series

4-41

4.16 Display Mask

Removing the Display Mask

To remove the display mask, follow the steps below and refer to Figures 4-41 and 4-42.

Turn off the power to the computer. Disconnect the AC power cord and all
external cables connected to the computer.

Remove the battery pack, optional PC card and optional memory module as
described in Sections 4.2, 4.3, and 4.4.

NOTE

: It is not necessary to remove the top cover with display assembly.

Remove

two seals

from the display hinges and

two rubber cushions

from the top

corners to expose screws securing the

display mask

NOTE

: Support the back of the display with your hand when you remove the

screws.

Remove

four M2.5x6 screws

that were covered by the seals and cushions.

Figure 4-41 Removing the seals, cushions and screws

Summary of Contents for Satellite Pro 430CDS

Page 1: ...TOSHIBA 430Series PN 430 9400 CASM 2970307 B00 ...

Page 2: ... ATAPI AT attachment packet inter face interface controller and supports the following formats audio CD photo CD CD plus and ISO 9660 Memory Standard with 16 MB of CMOS RAM This includes 640 KB of conventional memory and 15360 KB of extended memory which can be utilized as expanded memory compatible with the Lotus Intel Microsoft Expanded Memory Specification LIM EMS Display The 430CDT has an 11 3...

Page 3: ... module is installed inside the system unit PC card slot A PC card slot accommodates two 5mm cards Type II or one 10 5mm Type III card which support PCMCIA Release 2 01 cards These slots also support advanced cards including PC Card 16 multifunction cards as well as the Zoomed Video ZV port which is dedicated to high performance video data transfer such as MPEG video play back Enhanced Port Replic...

Page 4: ... in microphone and speaker The sound system is equipped with a volume control dial headphone jack microphone jack and audio line in jack The 430 series Personal Computer is shown in Figure 1 1 Figure 1 1 430 series personal computer The 430 series system configuration is shown in Figure 1 2 Figure 1 2 430 series system unit configuration ...

Page 5: ...1 4 430 Series 1 2 System Unit Block Diagram Figure 1 3 is a block diagram of the 430 series system unit Figure 1 3 430 series system board block diagram ...

Page 6: ... time 150 ns Data transfer is 8 bit width Video RAM 2 MB Four 256Kx16 bit DRAM 5 volt operation Optional memory One expansion memory slot is available for 8 16 and 32 MB memory modules which consist of 1 MBx16 bit chips Total maximum memory size is 48 MB if a 32 MB memory module is installed 3 3 volt operation No parity bit Access time 60 ns Data transfer is 64 bit width EDO extended data output s...

Page 7: ...terface control ISA bus access control DMAC control DMA address generation I O control Suspend Resume sequence Memory control ISA bus interface control Refresh address generation I O register control Suspend Resume sequence PC Card Controller Gate Array This gate array has the following functions PCMCIA memory card control PCMCIA I O card control I O Controller Gate Array IOCNT GA This gate array ...

Page 8: ...ler and keyboard interface controller The KBC controls the internal keyboard external keyboard and PS 2 mouse AccuPoint Controller IPSC One KPAAC0062A chip is used This controller provides simultaneous control of both the AccuPoint and a PS 2 mouse Real Time Clock RTC One T9934 chip is used The T9934 has 128 bytes of memory Fourteen bytes of memory are used for the calendar and clock The remaining...

Page 9: ... port The 430 series FDD is shown in Figure 1 4 Figure 1 4 3 5 inch FDD The specifications for the FDD are listed in Table 1 1 Table 1 1 3 5 inch FDD specifications Item 2 MBmode 1 MBmode Storage capacity KB Unformatted 2 000 1 000 Formatted 1 475 737 Numberofheads 2 2 Number of cylinders 80 80 Access time ms Track to track 3 3 Average 181 181 Head settling time 15 15 Recording track density tpi 1...

Page 10: ... billion byte 1 26GB HDD which is shown in Figure 1 5 Figure 1 5 2 5 inch HDD Specifications for the HDD are listed in Table 1 2 Table 1 2 2 5 inch HDD specifications Toshiba IBM Seagate Items MK1301MAV DMCA 21440 ST91350AG Formatted capacity byte 1 358 880 768 1 445 068 800 1 350 107 136 Number of disks 3 2 3 Logicalheads 16 16 16 Logical cylinders 2 633 2 800 2 616 Bytes per sector 512 512 512 R...

Page 11: ...ted to the keyboard controller on the system board through a 25 pin flat cable The pointer control stick located in the center of the keyboard provides convenient control of the cursor without requiring desk space for a mouse The keyboard is shown in Figure 1 6 See Appendix E for optional keyboard configurations Figure 1 6 Keyboard ...

Page 12: ...D ROM drive The specifications for the CD ROM drive are listed in Table 1 3 Table 1 3 CD ROM drive specifications Item 1X mode 10X ave mode Data Capacity bytes block Mode 1 2 048 Mode 2 2 336 RotationalSpeed rpm 200 to 530 2 200 to 3 500 TransferRate Sustained Block Transfer blocks s 75 750 Sustained Data Transfer Kbytes s Mode 1 150 1 200 Mode 2 171 1 710 ATAPI Burst Mbytes s 8 33 PIO mode 2 Acce...

Page 13: ...the functions of Video Graphics Array VGA and Super VGA SVGA for external display A display controller is F65550 This controller enables an LCD display of a maximum 64K colors The DSTN LCD is shown in Figure 1 8 Figure 1 8 DSTN color LCD The specifications for the LCD are listed in Table 1 4 Table 1 4 DSTN color LCD specifications Item Specifications Number of Dots dots 800x600 Dot pitch mm 0 288x...

Page 14: ...es high frequency current to light the LCD Fluorescent Lamp The specifications for the FL inverter are listed in Table 1 5 Table 1 5 DSTN color FL inverter board specifications Item Specifications Input Voltage V 4 to 5 5 Power W 4 25 Output Voltage Vrms 1 100 Current mA 5 0 3 0 Bright Semi bright ...

Page 15: ...This controller enables an LCD display of a maximum 16M colors The TFT LCD is shown in Figure 1 9 Figure 1 9 TFT color LCD The specifications for the LCD are listed in Table 1 6 Table 1 6 TFT color LCD specifications Item Specifications Number of dots dots 800x600 Dot pitch mm 0 288 W x0 288 H Displayarea mm 229 2 W x171 H Contrast minimum 100 1 FLcurrent mA 2 4 2 8 4 0 4 6 NOTE The FL currents at...

Page 16: ...er are listed in Table 1 7 Table 1 7 TFT color FL inverter board specifications Item Specifications Input Voltage V 4 to 5 5 Power W 4 25 Output Voltage Vrms 1 100 Current mA 2 4 2 8 4 0 4 6 NOTE The FL currents at power on are Bright Semi bright AC cord connected 4 6 mA 2 8 mA AC cord not connected 4 0 mA 2 4 mA The settings at power on do not change even if the AC cord connection changes ...

Page 17: ... 3 Controls the LED icon and speaker 4 Turns the battery charging system on and off and detects a fully charged battery 5 Determines if the power can be turned on and off 6 Provides more accurate detection of a low battery 7 Calculates the remaining battery capacity The power supply output rating is specified in Table 1 8 Table 1 8 Power supply output rating DC Regulation Usefor Name voltage toler...

Page 18: ...y maintain the state of the computer when you enable AutoResume Battery Icon The Battery icon is located on top of the back rim of the 430 series The icon shows the status of the removable battery pack The status of each can be determined by color Orange The battery is being charged AC power cord is attached Green The battery is fully charged AC power cord is attached Blink orange The battery is l...

Page 19: ...ent is abnormal Trickle Battery Charge When the main battery is fully charged and the AC power cord is attached the power supply microprocessor automatically changes from quick charge to trickle charge 1 10 3 Backup Battery The backup battery maintains data for AutoResume The power source used to back up the AutoResume data is determined according to the following priority AC power Main battery Ba...

Page 20: ... other setup information in memory while the computer is turned off Table 1 12 shows the charging time and data preservation period of the RTC battery Table 1 12 RTC battery charging data preservation time Time ChargingTime With AC power 48 H or main battery Datapreservationperiod fullcharge 1 month ...

Page 21: ...necessary for implementing the troubleshooting procedures 1 DiagnosticsDisk 2 Phillipsscrewdriver 2mm 3 ToshibaMS DOSsystemdisk s Youmustinstallthefollowingontothedisk SYS COM FORMAT COM FDISK COMandFDISK EXE 4 2DDor2HDformattedworkdiskforfloppydiskdrivetesting 5 Cleaningkitforfloppydiskdrivetroubleshooting 6 RS 232 Cwraparoundconnector 7 Printerwraparoundconnector 8 Multimeter 9 ExternalCRT 10 PS...

Page 22: ...ten the system password perform the following procedure at the appropriate step in the flowchart in Figure 2 1 Connect the printer port wraparound board F31PRT then turn the POWER switch on The computer will override the password function by erasing the current pass word Verify with the customer that Toshiba MS DOS is installed on the hard disk Non Toshiba operating systems can cause the computer ...

Page 23: ...430 Series 2 3 Figure 2 1 Troubleshooting flowchart ...

Page 24: ...ter test or real timer test perform the system board troubleshooting procedures in Section 2 4 2 If an error is detected on the floppy disk test perform the floppy disk drive troubleshooting procedures in Section 2 5 3 If an error is detected on the hard disk test perform the hard disk drive troubleshooting procedures in Section 2 6 4 If an error is detected on the keyboard test perform the keyboa...

Page 25: ...n the AC IN icon is green the AC power cord is connected and supplying power to the 430 series If the AC IN icon does not light the AC power cord is not supplying power to the 430 series or the AC power cord is not attached to the 430 series go to Check 1 If the AC IN icon is flashing orange the AC power cord voltage supply is abnormal or the power supply is not functioning properly go to Check 2 ...

Page 26: ...and not bent If the terminal appears dirty clean it gently with a cotton swab dipped in alcohol If the terminal looks bent or damaged replace the system board If the battery terminal is clean and not bent go to Check 4 Check 4 Connect a new AC power cord If the Battery icon still does not glow go to Check 5 Check 5 Install a new battery pack If the Battery icon still does not glow go to Procedure ...

Page 27: ...xecution Check Procedure 5 Replacement Check Procedure 1 Message Check When the power is turned on the system performs the Initial Reliability Test IRT installed in the BIOS ROM The IRT tests each IC on the system board and initializes it If an error message is shown on the display perform Check 1 If there is no error message go to Procedure 2 If the Toshiba MS DOS is properly loaded go to Procedu...

Page 28: ...press F1 key Check 2 If the following error message is displayed on the screen press any key as the message instructs The following error message appears when data stored in RAM under the resume function is lost because the battery has become discharged or the system board is damaged Go to Procedure 3 If any other message appears perform Check 3 WARNING RESUME FAILURE PRESS ANY KEY TO CONTINUE Che...

Page 29: ...RROR 7 CMOS BAD BATTERY ERROR 8 FIRST 64KB MEMORY ERROR 9 FIRST 64KB MEMORY PARITY ERROR 10 VRAM ERROR 11 SYSTEM MEMORY ERROR 12 SYSTEM MEMORY PARITY ERROR 13 EXTENDED MEMORY ERROR 14 EXTENDED MEMORY PARITY ERROR 15 DMA PAGE REGISTER ERROR 16 DMAC 1 ERROR 17 DMAC 2 ERROR 18 PIC 1 ERROR 19 PIC 2 ERROR 20 KBC ERROR 21 HDC ERROR 22 HDD 0 ERROR 23 HDD 1 ERROR 24 NO FDD ERROR 25 FDC ERROR 26 TIMER INTE...

Page 30: ...d turn on the power 5 Read the LED status from left to right as you are facing the back of the computer 6 Convert the status from binary to hexadecimal notation 7 If the final LED status is FFh normal status go to Procedure 3 8 If the final LED status matches any of the test status values in Table 2 1 perform Check 1 NOTE If an error condition is detected by the IRT test the printer port LED displ...

Page 31: ... FIRST 64KB MEMORY ERROR FIRST 64KB MEMORY PARITY ERROR 0BH System memory initialization 0CH System initialization 0DH Interrupt vector initialization 18H PIC initialization 1FH Display initialization VRAMERROR 25H System memory test SYSTEMMEMORYERROR SYSTEM MEMORY PARITY ERROR 30H Extended memory test EXTENDEDMEMORYERROR EXTENDEDMEMORYPARITYERROR 40H DMA page register test DMA PAGE REGISTER ERROR...

Page 32: ...rocedures in Section 2 6 Check 4 If error code 60h is displayed go to the FDD Troubleshooting Procedures in Section 2 5 Procedure 3 Printer Port LED Check on Resume Mode The printer port LED displays the IRT status and test status by turning lights on and off as an eight digit binary value for resume mode To use the printer port LED follow these steps 1 Turn on the power then set to resume mode 2 ...

Page 33: ...4 ASYNC test 5 Real Timer test 6 NDP test 7 Expansion test 8 Sound test 9 CD ROM test If an error is detected during any of these tests go to Procedure 5 Procedure 5 Replacement Check The system board or the sound board may be damaged Disassemble the 430 series following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Replace the system board with a...

Page 34: ...rocedure 2 Diagnostic Test Program Execution Check Procedure 3 Connector Check and Replacement Check Procedure 1 FDD Head Cleaning Check FDD head cleaning is one option available in the Diagnostic Program Detailed operation is given in Chapter 3 Tests and Diagnostics After Toshiba MS DOS loads run the Diagnostic Program and then clean the FDD heads using the cleaning kit If the FDD still does not ...

Page 35: ...is abled If any other errors occur while executing the FDD diagnostics test go to Check 1 Table 2 3 Floppy disk drive error codes and statuses Code Status 01h Bad command 02h Address mark not found 03h Write protected 04h Record not found 06h Media removed on dual attach card 08h DMA overrun error 09h DMA boundary error 10h CRC error 20h FDC error 40h Seek error 60h FDD not drive 80h Time out erro...

Page 36: ...able is disconnected connect it to the system unit and repeat Procedure 2 If the FDD is still not functioning properly perform Check 2 Check 2 The cable may be defective or damaged Replace the cable If the FDD is still not functioning properly perform Check 3 Check 3 The FDD or its cable may be defective or damaged Replace the FDD with a new one following the steps in Chapter 4 Replacement Procedu...

Page 37: ...r s files Refer to the operating system instructions for more information Procedure 1 Partition Check Insert the Toshiba MS DOS system disk and turn on the computer Then perform the follow ing checks Check 1 Type C and press Enter If you cannot change to drive C go to Check 2 If you can change to drive C go to Procedure 2 Check 2 Type FDISK and press Enter Choose Display Partition Information from...

Page 38: ...rform Check 3 Insert system disk in drive Press any key when ready or Non System disk or disk error Replace and press any key Check 3 Using the Toshiba MS DOS system disk install a system program on the hard disk using the SYS command If the following message appears on the display the system program has been transferred to the HDD Restart the 430 series If the error message still appears perform ...

Page 39: ...pears on the display the HDD is formatted Format complete If any other error message appears on the display refer to the Toshiba MS DOS Manual for more information and perform Check 2 Check 2 Using the 430 series Diagnostic Disk format the HDD with a low level format option Refer to Chapter 3 Tests and Diagnostics for more information about the diagnostic program If the following message appears o...

Page 40: ...le 2 4 Hard disk drive error codes and statuses Code Status 01h Bad command 02h Bad address mark 04h Record not found 05h HDC not reset 07h Drive not initialized 08 HDC overrun DRQ 09h DMA boundary error 0Ah Bad sector error 0Bh Bad track error 10h ECC error 11h ECC recover enabled 20h HDC error 40h Seek error 80h Time out error AAh Drive not ready BBh Undefined error CCh Write fault E0h Status er...

Page 41: ...ccur the keyboard is functioning properly Procedure 2 Connector and Replacement Check The keyboard is connected to the system board by a flat cable This cable may be discon nected or damaged Disassemble the 430 series as described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the keyboard cable is not damaged and is connected to the system board Keyboardcab...

Page 42: ...heck Connect the external CRT to the 430 series external monitor port then boot the computer The computer automatically detects the external CRT even if Resume mode is enabled If the external CRT works correctly the internal LCD display may be damaged Go to Procedure 4 If the external CRT appears to have the same problem as the internal LCD the display controller may be damaged Go to Procedure 3 P...

Page 43: ...shown below Any of these cables may be disconnected Disassemble the display unit and check the following cable connections Refer to Chapter 4 ReplacementProcedures formoreinformationabouthowtodisassemblethecomputer Figure 2 3 430CDS display connection Figure 2 4 430CDT display connection Firmly reconnect any cable which has become disconnected then repeat Procedures 1 and 2 If the problem still ex...

Page 44: ...display is closed perform Check 4 Check 1 Replace the FL with a new one and test the display again If the problem still exists perform Check 2 Check 2 Replace the FL inverter board with a new one and test the display again If the problem still exists perform Check 3 Check 3 Replace the LCD module with a new one and test the display again If the problem still exists perform Check 4 Check 4 Replace ...

Page 45: ...nto the CD ROM drive and run the test Refer to Chapter 3 Tests and Diagnostics for more information about the diagnostics test procedures If any other errors occur while executing the CD ROM drive diagnostics test go to Procedure 3 Procedure 3 Connector Check and Replacement Check The CD ROM drive is connected to the system board by the CD ROM drive cable This cable may be damaged or disconnected ...

Page 46: ...onsists of nine programs that are grouped into the Service Program Module DIAG NOSTICS MENU NOTES To start the diagnostics follow these steps 1 Check all cables for loose connections 2 Exit any application you may be using and close Windows The DIAGNOSTIC MENU consists of the following nine functions DIAGNOSTICTEST HARDDISKFORMAT HEADCLEANING LOGUTILITIES RUNNINGTEST FDDUTILITIES SYSTEMCONFIGURATI...

Page 47: ... connector for the I O card test Expansion test A printer wraparound connector for the printer wraparound test Printer test An RS 232 C wraparound connector for the RS 232 C port wraparound test ASYNC test A CD test media Toshiba EMI test disk TDY 03 and music CD CD ROM test External CRT All tests PS 2 or compatible keyboard All tests PS 2 or compatible mouse Keyboard test Serial Port wraparound c...

Page 48: ... installed in the computer and the external FDD is attached to the FDD port The following menu will appear TOSHIBA personal computer xxx DIAGNOSTICS version X XX c copyright TOSHIBA Corp 19XX DIAGNOSTICS MENU 1 DIAGNOSTIC TEST 2 HARD DISK FORMAT 3 4 HEAD CLEANING 5 LOG UTILITIES 6 RUNNING TEST 7 FDD UTILITIES 8 SYSTEM CONFIGURATION 9 EXIT TO MS DOS 0 SETUP Select items Enter Specify Esc Exit NOTE ...

Page 49: ...efer to sections 3 4 through 3 16 for detailed descriptions of Diagnostic Tests 1 through 13 Function 88 sets the floppy disk drive and hard disk drive error retry count Function 99 exits the submenus of the Diagnostic Test and returns to the Diagnostic Menu 3 Select the option you want to execute and press Enter The following message will appear SYSTEM TEST XXXXXXX xxx DIAGNOSTIC TEST VX XX Ctrl ...

Page 50: ...guide on the right side of the display screen as shown below ERROR STATUS NAME HALT OPERATION 1 Test end 2 Continue 3 Retry These three selections have the following functions respectively 1 Terminates the test program and exits to the subtest menu 2 Continues the test 3 Restarts the test from the error Use the arrow keys to move the cursor to the desired option and press Enter Selecting NO for ER...

Page 51: ...AMrefresh 04 Protectedmode 05 Memorymodule 06 Cachememory 3 KEYBOARD 01 Pressed key display 02 Pressed keycode display 03 PS 2 Mouse connect check 04 Pointing stick 4 DISPLAY 01 VRAM read write for VGA 02 Gradation for VGA 03 GradationforLCD 04 Gradation Mode test for VGA 05 All dots on off for LCD 06 H pattern display 5 FDD 01 Sequentialread 02 Sequentialread write 03 Randomaddress data 04 Write ...

Page 52: ...ta 04 Cross talk peak shift 05 Write read compare CE 06 Write specified address 07 Read specified address 08 ECC circuit 09 Sequential write 10 W R C specified address 9 REAL TIMER 01 Real time 02 Backup memory 03 Real time carry 10 NDP 01 NDP test 11 EXPANSION 01 PCMCIA wrap around Internal 02 PCMCIA wrap around External 12 SOUND 01 CODEC REC PLAY 02 FM Synthesizer 03 SINE wave playback 04 Joysti...

Page 53: ...test 04 Fan on off This subtest checks fan operation using the on off command The fan cable is securely connected to the system board When you execute this subtest the following message is displayed Fan ON Press Enter key When you press Enter the fan should spin Fan OFF Press Enter key When you press Enter the fan should stop Subtest 05 Thermistor check This subtest reads the thermistor connect ch...

Page 54: ...onal memory program end to 640 KB then reads the new data and compares the result with the original data Subtest 03 RAM refresh This subtest writes a 256 byte unit of constant data to conventional memory 0 to 640 KB then reads the new data and compares the result with the original data The constant data is AAAAh and 5555h NOTE There is a short delay between write and read operations de pending on ...

Page 55: ...btest 05 the following message will appear Extended memory size 1 8 MB 2 16 MB 3 32 MB Select the number that corresponds to the memory card installed in the com puter Subtest 06 Cache memory To test the cache memory a pass through write read comparison of 5A data is run repeatedly to the test area 7000 Program size to 7000 7FFF 32 KB to check the hit miss ratio on off status for CPU cache memory ...

Page 56: ...ar to the subtest you want to execute and press Enter Subtest 01 Pressed key display NOTE The Num Lock and the Overlay mode must be off to execute this subtest When you execute this subtest the keyboard layout is drawn on the display as shown below When any key is pressed the corresponding key on the screen changes to an character Holding a key down enables the auto repeat function which causes th...

Page 57: ...wn in Appendix D KEYBOARD TEST IN PROGRESS 302000 Scan code Character code Keytop Ins Lock Caps Lock Num Lock Scroll Lock Alt Ctrl Left Shift Right Shift PRESS Enter KEY Subtest 03 PS 2 Mouse connect check NOTE To execute the PS 2 mouse connect check a PS 2 mouse must be connected to the computer This subtest checks whether or not a PS 2 mouse is connected If this test does not detect an error it ...

Page 58: ...isplaying the location parameters When the stick is pressed towards the upper left the POINTING display changes according to the following illustration If an IPS switch is pressed the BUTTON display alternates between black and white Also the parameters appear on the right side of the display If two IPS switches are pressed at the same time the subtest menu is displayed IPS TEST PROGRAM V1 00 PRES...

Page 59: ... video RAM 2MB A0000h AFFFFh This data is then read from the video RAM and compared to the original data Subtest 02 Gradation for VGA This subtest displays four colors red green blue and white from left to right across the screen from black to maximum brightness The display below appears on the screen when this subtest is executed To exit this subtest and return to the DISPLAY TEST menu press Ctrl...

Page 60: ...btest displays gradations for each mode Execute the test then press Enter to change the mode LCDtype Mode TFT 3 12 13 43 52 DSTN 3 12 13 43 The display below appears on the screen when this subtest is executed Pressing Enter changes the size of the displayed image ...

Page 61: ...ges the size of the displayed image To exit this subtest and return to the DISPLAY TEST menu press Ctrl Break Subtest 05 All dots on off for LCD This subtest displays an all white screen all dots on for three seconds then an all black screen all dots off for three seconds To exit this subtest and return to the DISPLAY TEST menu press Ctrl Break ...

Page 62: ...HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHH...

Page 63: ...iate response to execute the test 1 Select the test drive number of the floppy disk drive to be tested and press Enter Test drive number select 1 FDD 1 2 FDD 2 0 FDD1 2 2 Select the media type of the floppy disk in the test drive to be tested and press Enter Media in drive X mode 0 2DD 1 2D 2 2D 2HD 2DD 3 2HD 3 Select the track you want the test to start on and press Enter Simply pressing Enter se...

Page 64: ...agnostic Test Menu Refer to step 3 at the beginning of this section to set the start track Subtest 02 Sequential Read Write This subtest continuously writes data pattern B5ADADh to all the specified tracks selected in subtest 01 The data is then read and compared to the original data Subtest 03 Random Address Data This subtest writes random data to random addresses on all tracks defined in subtest...

Page 65: ...XXXh channel 2 XXXXh channel 3 XXXXh Select the channel number 1 3 The printer I O port address is specified by the XXXXh number The computer supports three printer channels Select the printer channel number and press Enter to execute the selected subtest Subtest 01 Ripple Pattern This subtest prints characters for codes 20h through 7Eh line by line while shifting one character to the left at the ...

Page 66: ...ecks the output and bidirectional modes of the data control and statuslinesthroughtheprinterwraparoundconnector PRINTER TEST 1 THIS LINE SHOWS NORMAL PRINT 2 THIS LINE SHOWS DOUBLE WIDTH PRINT 3 THIS LINE SHOWS COMPRESSED PRINT 4 T H I S L I N E S H O W S E M P H A S I Z E D P R I N T 5 T H I S L I N E S H O W S D O U B L E S T R I K E P R I N T 6 ALL CHARACTERS PRINT 0 1 2 3 4 5 6 7 8 9 A B C D E...

Page 67: ...d 08 are selected Channel 1 XXXXh Channel 2 XXXXh Channel 3 XXXXh Select the Channel number 1 2 3 The serial I O port address is specified by the XXXXh number Select the serial port channel number and press Enter to start the subtest Subtest 01 Wraparound board NOTE To execute this subtest an RS 232 C wraparound connector 34M741621G01 must be connected to the RS 232 C port The RS 232 C wraparound ...

Page 68: ...st 05 InterruptTest This subtest checks the Interrupt Request Level of IRQ 4 3 and 5 from the send side Subtest 06 Infra_red Wrap_around test NOTE Before conducting subtests 06 to 09 you must execute SIRDRV COM to enable the infrared communication port This subtest checks the data send receive function through the SIR port Subtest 07 Infra_red Transmit mode NOTE To execute subtests 07 and 08 each ...

Page 69: ... System Disks Tools MSCSD EXE still exists in the System Tools Folder This tool can be used only once If it exists use it to back up the preinstalled software then use the Backup utility in the System Tools folder to back up the entire disk including the user s files Refer to the operating system instructions for each operating system 1 When you select the hard disk test from the DIAGNOSTIC TEST M...

Page 70: ...ndicates the drive being tested and the last two digits indicate the error status code as explained in Table 3 2 Subtest 01 Sequential Read This subtest is a sequential reading of all the tracks on the HDD starting at track 0 When all the tracks on the HDD have been read the test starts at the maximum track and reads the tracks on the HDD sequentially back to track 0 Subtest 02 Address Uniqueness ...

Page 71: ... CE cylinder and compares it with the original data Subtest 06 Write specified address This subtest writes specified data to a specified cylinder and head on the HDD Subtest 07 Read specified address This subtest reads data which has been written to a specified cylinder and head on the HDD Subtest 08 ECC circuit This subtest checks the Error Check and Correction ECC circuit functions of the specif...

Page 72: ...X Current time XX XX XX Enter new date PRESS ENTER KEY TO EXIT TEST 2 If the current date is not correct input the correct date at the Enter new date prompt and press Enter The following prompt will appear Enter new time 3 If the current time is not correct input the correct time in 24 hour format Pressing Enter toggles between the time and the date To exit press Ctrl Break Subtest 02 Backup Memor...

Page 73: ...e erased This subtest checks the real time clock increments making sure the date and time are displayed in the following format Current date 12 31 1995 Current time 23 59 58 Pressing Enter displays the following Current date 01 01 1996 Current time 00 00 00 PRESS Enter KEY TO EXIT TEST Press Ctrl Break to exit ...

Page 74: ...EST MENU press Enter and follow the directions on the screen The NDP test contains one subtest that tests the computer s NDP functions Subtest 01 NDP This test checks the following functions of the coprocessor Control word Status word Bus Addition Multiplication Press Ctrl Break to exit ...

Page 75: ...CE 1 CE 2 line Data line Speaker line Wait line BSY BVD1 line This subtest is executed in the following order Sub Address Good Bad Contents 01 00001 nn xx Address line 00001 nn xx REG CE 1 CE 2 nn A0 90 80 00 02 00002 ww rr Data line ww write data rr read data 03 00003 Speaker line 04 00004 40 80 xx Wait line 40 xx 80 05 00005 nn xx Other lines BSY BVD1 nn 21 00 Subtest 02 PCMCIA wraparound Extern...

Page 76: ...layed Quick REC PLAY for ES488 688 Press any key to REC After pressing a key start recording and immediately play the sound It takes three seconds Subtest 02 FM Synthesizer This subtest tests the OPL YMF262 functions Connect the headphone and check the scale of the right and left sides Also check the sound adjustment volume Subtest 03 SINE wave playback This subtest expands the sine wave data tabl...

Page 77: ...the line in port Next connect an output device such as an amplifier for the internal speaker or a radio cassette player to the line out port After making the connections a dialogue box will be displayed Press Enter to play a recorded sound About three seconds after the recorded sound is played the dialogue box will be displayed again NOTE The Enhanced Port Replicator must be connected to conduct t...

Page 78: ...isk TDY 03 Subtest 01 Sequential Read This subtest is a sequential reading of one block unit 2K bytes of all the logical addresses Subtest 02 Read Specified Address This subtest reads one block data from a specified address Subtest 03 Random Address Data This subtest reads one block data and multi block data from random addresses 200 times Subtest 04 Playback Music NOTE The Toshiba EMI Test Disk T...

Page 79: ...ache Memory Error Keyboard 01 Mouse Interface Error 02 IPS Interface Error 03 Interface Error 04 Retransmit Error 05 Mouse Handler Not Supported 06 PS 2 Mouse IPS Not Supported FDD 01 Bad Command 02 Address Mark Not Found 03 Write Protected 04 Record Not Found 06 Media Removed 08 DMA Overrun Error 09 DMA Boundary Error 10 CRC Error 20 FDC Error 40 Seek Error 60 FDD Error 80 Time Out Error EE Write...

Page 80: ...Initialized 08 HDC Overrun DRQ 09 DMA Boundary Error 0A Bad Sector 0B Bad Track Error 10 ECC Error 11 ECC Recover Enabled 20 HDC Error 40 Seek Error 80 Time Out Error AA Drive Not Ready BB Undefined Error CC Write Fault E0 Status Error EE Access Time Out Error NDP 01 No Co Processor 02 Control Word Error 03 Status Word Error 04 Bus Error 05 Addition Error 06 Multiply Error Expansion C1 Address Lin...

Page 81: ...ice name Error code Error status name CD ROM 01 Bad Command 02 Illegal Length 03 Unit Attention 04 Media Change Request 05 Media Detected 06 Additional Sense 09 Boundary Error 11 Corrected Data Error 20 Drive Not Ready 40 Seek Error 80 Time Out 90 Reset Error B0 Address Error ...

Page 82: ...s register and error register are listed in Tables 3 3 and 3 4 Table 3 3 Hard disk controller status register contents Bit Name Description 7 BSY 0 HDC is ready Busy 1 HDC is busy 6 DRDY 0 Hard disk drive is not ready to accept any command Drive ready 1 Hard disk drive is ready to accept any command 5 DWF 0 DWF error is not detected Drive write fault 1 Write fault condition occurs 4 DSC 0 The hard...

Page 83: ...table 1 Uncorrectable data error has been detected 5 Not used 4 IDNF 0 Not used Identification 1 There was no ID field in the requested sector 3 Not used 2 ABRT 0 Not used Abort 1 Illegal command error or a drive status error occurs 1 TK00 0 The hard disk has found track 0 during a recalibrate command Track 0 1 The hard disk could not find track 0 during a recalibrate command 0 Not used ...

Page 84: ...the hard disk to floppy disk 1 If MS DOS 6 22 Windows for Workgroups is selected use the Master Diskette Creator MDC utility in the Toshiba Utility folder to back up the preinstalled software After backing up the preinstalled software use the BACKUP com mand in the Toshiba Companion Utility to back up the entire disk including the user s files 2 If Windows 95 is selected check to see if the Micros...

Page 85: ... 16 16 Logical cylinders 2 633 2 800 2 616 Bytes per sector 512 512 512 Rotation speed rpm 4 200 4 000 4 500 2 Good track FORMAT This option formats a specified cylinder and track as a good track If a good track is formatted as a bad track use this option to change the track to a good track 3 Bad track FORMAT This option formats a specified cylinder and track as a bad track If a bad track is detec...

Page 86: ...X 1 All track FORMAT 2 Good track FORMAT 3 Bad track FORMAT 4 Bad track CHECK 9 Go to TEST MENU Select items Enter Finish Esc Exit 1 All track FORMAT Pressing 1 selects All track FORMAT which lets you format the entire disk All track FORMAT Drive 1 HDD 2 Non Cylinder XXXX Head XX Sector XX Model name The following selections also appear in succession at the bottom of the screen Drive number select...

Page 87: ...at All tracks are formatted as good tracks except those registered as bad tracks in item c above or those identified as bad tracks in track verification described in item e below e Track verification A check is made of all tracks and if an ECC error ECC correctable data error or record not found error is detected at a track that track is automati cally formatted as a bad track 2 Good track FORMAT ...

Page 88: ...dd Press Head number dd Press Enter to return to the Hard Disk Format menu 4 Bad track CHECK This subtest reads the entire disk and displays a list of bad tracks The test is terminated in case of a bad track check error To initiate the subtest enter the drive number at the prompt shown below Drive number select 1 1 2 2 Bad tracks will be displayed in the format shown below cylinder head 0123 03 Pr...

Page 89: ...cting test 4 from the DIAGNOSTIC MENU and pressing Enter displays the following messages DIAGNOSTICS FLOPPY DISK HEAD CLEANING VX XX Mount cleaning disk s on drive s Press any key when ready 2 Remove the Diagnostics Disk from the FDD then insert the cleaning disk and press Enter 3 When the cleaning start message appears the FDD head cleaning has begun 4 The display automatically returns to the DIA...

Page 90: ...tus STS 6 FDD HDD or memory address ADDR 7 Write data WD 8 Read data RD 9 HDC status HSTS 10 Error status name ERROR STATUS NAME 3 21 2 Operations 1 Selecting 5 and pressing Enter in the DIAGNOSTIC MENU logs error informa tion into RAM or onto a floppy disk The error information is displayed in the following format XXXXX ERRORS CNT TS NAME PASS STS ADDR WD RD HSTS STATUS NAME 001 FDD 02 0000 103 0...

Page 91: ...ous page The 3 key returns to the Diagnostic Menu The 4 key erases all error log information in RAM The 5 key outputs the error log information to a printer The 6 key reads the log information from a floppy disk The 7 key writes the log information to a floppy disk 3 In the case of error retry OK a capital R will be placed at the beginning of the error status However it is not added to the error c...

Page 92: ...TE Do not forget to load a work disk in the FDD If a work disk is not loaded an error will be generated during the FDD testing 1 Remove the diagnostics disk from the floppy disk drive and insert the work disk 2 Selecting 6 from the Diagnostic Menu and pressing Enter displays the following message Printer wrap around test Y N Selecting Y yes executes the printer wraparound test A printer wraparound...

Page 93: ... press Enter The following message will appear Mount the work disk s on the drive s then press Enter key Warning The contents of the disk s will be destroyed 5 This program is executed continuously To terminate the program press Ctrl Break ...

Page 94: ... sided double density double track 96 135 TPI MFM mode 512 bytes 9 sectors track c 2HD Double sided high density double track 96 135 TPI MFM mode 512 bytes 18 sectors track 2 COPY This program copies data from a source floppy disk to a target floppy disk 3 DUMP This program displays the contents of the floppy disk and the designated sectors of the hard disk on the display 3 23 2 Operations 1 Selec...

Page 95: ...head XXX X After the floppy disk is formatted the following message will appear Format complete Another format 1 Yes 2 No e Typing 1 displays the message from step c above Typing 2 returns the test to the DIAGNOSTIC MENU 3 COPY program a When COPY is selected the following message appears FLOPPY DISK FORMAT COPY VX XX Type select 0 2DD 2DD 1 2D 2D 2 2D 2HD 3 2HD 2HD b Selecting a media drive type ...

Page 96: ...ge appears DIAGNOSTICS HARD DISK FLOPPY DISK DUMP VX XX Drive type select 1 FDD 2 HDD b Select a drive type If 1 is selected in step a the following message dis plays Select drive number 1 A 2 B Select an FDD drive number The display will go to step c If 2 is selected the following message displays Select drive number 1 C 2 D After selecting the HDD the display will go to step f c The following me...

Page 97: ...ports 10 Extended memory size 11 The number of math co processors 12 CPU clock 13 ID number of the Enhanced Port Replicator 3 24 2 Operations Selecting 8 from the DIAGNOSTIC MENU and pressing Enter displays the following system configuration SYSTEM CONFIGURATION BIOS ROM VERSION VX XX CARD DOCK ROTARY SWITCH BOOT ROM VERSION VX XX KBC VERSION VX XX PS MICOM VERSION VX XX 639KB MEMORY 1 FLOPPY DISK...

Page 98: ...ay a Display Adapter b LCD Display Mode c VGA Segment Address d LCD Display Colors e Power On Display f Text Mode Stretch 3 Hard Disk a HDD Mode 4 Password 5 I O Ports a Serial Port b Infrared Port c Parallel Port d Sound System 6 Others a Power up Mode b CPU Cache c Battery Save Mode d Alarm Volume e System Beep f Panel Power On Off g Alarm Power On h Keyboard i Pointing Devices j Boot Priority ...

Page 99: ...o reboot the following message is displayed Are you sure Y N If the changed item requires the system to reboot the following message is dis played Are you sure Y N The changes you made will cause the system to reboot MEMORY BIOS version x xx SYSTEM SETUP DISPLAY Display Adapter VGA compatible LCD Display Mode Color VGA Segment Address E400H LCD Display Colors 16M Colors Power On Display Internal E...

Page 100: ...ting the following settings are not changed HDD Mode Password Sound System I O Address Interrupt Level DMA Write Policy 3 25 6 SETUP Options The SETUP screen is divided into functionally related groups This section describes each group and its options 1 Memory This option lists the computer s memory allocation a Total Displays the total amount of memory installed and is automatically calcu lated b...

Page 101: ...me Color Selects color mode Default Monochrome Selects monochrome mode Some software is displayed better in monochrome mode c VGA Segment Address Use this option to set the VGA segment address from the following option C000H E000H E400H Default NOTE In the DOS environment if you choose either E400H or C000H the Pop up window is not displayed when you press the Fn F2 or Fn F3 hotkeys However the co...

Page 102: ...ter starting in Resume mode press Fn F5 Pressing Fn F5 changes the display setting as follows internal LCD to simultaneous to external CRT f Text Mode Stretch Text mode stretch enables a larger display area of 800 x 600 pixels in text mode Disabling this function reduces the resolution to the standard 800 x 600 pixels Enabled Enables the text mode stretch feature Default Disabled Disables the text...

Page 103: ...User s Manual 5 I O Ports This option controls settings for serial and parallel ports and the sound system a Serial Port This option allows you to set the COM level COM1 to COM4 for the serial port The serial port interrupt request level IRQ and I O port base address for each COM level is shown below COMlevel Interruptlevel I Oaddress COM1 4 3F8h Serial port default COM2 3 2F8h COM3 4 3E8h 5 3E8h ...

Page 104: ...ets the interrupt request level IRQ and I O port base address for the parallel port The options are shown below LPTsetting Interruptlevel I Oaddress LPT1 7 378h Parallelportdefault LPT2 5 278h LPT3 7 3BCh Not used Disablesport When you select one of the above options except for Not used a subwindow similar to the one below appears to let you set the parallel port mode and DMA channel Mode Use this...

Page 105: ...ound system The available settings are IRQ5 IRQ7 IRQ9 IRQ10 Default NOTE Sound Blaster compatible software uses IRQ7 as the default If you use such software try to change the software setting to IRQ10 If you cannot change the software setting change the hardware setting to IRQ7 DMA direct memory access channel Use this option to set the DMA channel The available settings are Channel 0 Channel 1 De...

Page 106: ...to update the cache contents with changes in main memory Write through policy accesses main memory every time data is handled by the processor c Battery Save Mode This option is used to select Full Power or Low Power or User Setting of the BATTERY SAVE OPTION Full Power The following shows full power settings BATTERY SAVE OPTIONS Processing Speed High CPU Sleep Mode Enabled Display Auto Off Disabl...

Page 107: ... menu of User Setting which is one of the Battery Save Mode options Processing Speed This feature changes the CPU processing speed High CPU operates at 120 MHz Default Low CPU operates at half speed CPU Sleep Mode Use this option to enable or disable the CPU sleep function Enabled Enables sleep mode Disabled Disables sleep mode Display Auto Off Use this option to disable or set the duration of the...

Page 108: ...f it is not used for the duration set The duration xx can be set to 10 20 30 40 50 or 60 minutes LCD Brightness Use this option to set the level of LCD brightness Bright Full brightness for maximum visibility Semi Bright Less than full brightness for saving power Cooling method Performance If the CPU becomes too hot the fan is turned on automatically The CPU processing speed does not change When t...

Page 109: ...he display panel If this feature is enabled when the computer is in Resume mode the system is automatically powered off when the display panel is closed and powered on when the panel is opened This option does not appear when the computer is in boot mode Enabled Enables the feature Disabled Disables the feature Default NOTE Do not remove the AC cable and battery pack at the same time when you use ...

Page 110: ...mal Ext Keyboard FN key equivalent Disabled Int Keyboard layout This option lets you select the arrangement of the Caps Lock Ctrl and Alt keys according to the following illustrations Ext Keyboard Fn key equivalent Use this option to set a key combination on an external keyboard to emulate the Fn key on the computer s internal keyboard Setting an Fn key equiva lent will enable you to use Hotkeys b...

Page 111: ...h the AccuPoint and the external mouse are enabled j Boot Priority Use this option to select the disk drive priority for boot up FDD HDD The computer looks for bootable files first on the FDD and next on the HDD Default HDD FDD The computer looks for bootable files first on the HDD and next on the FDD You can reverse the order by holding down the F10 key while the computer is booting This procedur...

Page 112: ...tart by removing the battery pack then follow the lines on the chart to determine which FRU you must remove next in order to repair the one you think is causing the computer to operate improperly Battery Pack Optional PC card Optional memory card Display FL inverter Board FDD CD ROM drive Mask LCD Module Hard disk drive FL Keyboard Sub battery VGA board RTC battery Top cover with display assembly ...

Page 113: ...any metal jewelry or accessories such as necklaces bracelets or rings Batteries in the computer retain electrical charge so there is danger of electrical shock even when the computer is disconnected from an AC power source 3 Never work with wet or damp hands 4 The computer contains many sharp edges and corners so be careful not to injure yourself 5 Make sure that all replacement components meet th...

Page 114: ...ts described in this manual 5 Do not perform any unnecessary operations and use only the described procedures for disassembling and installing FRUs in the computer 6 After removing parts from the computer place them in a safe place away from the computer so they will not be damaged and will not interfere with your work 7 You will remove and replace many screws when you disassemble the computer Whe...

Page 115: ... all other cables These connectors can be connected and disconnected by simply pulling them apart or pushing them together Assembly Procedures After you have disassembled the computer and fixed or repaired the problem that was caus ing the computer to operate abnormally you will need to reassemble the computer While assembling the computer remember the following general points Take your time makin...

Page 116: ... and replace screws Tweezers to lift out screws that you cannot grasp with your fingers ESD mats for the floor and the table you are working on An ESD wrist strap or heel grounder Anti static carpeting or flooring Air ionizers in highly static sensitive areas Screw Tightening Torque When you fasten screws be sure to follow the torque list below Overtightening can damage components and screws under...

Page 117: ...uter 2 Turn the computer over 3 Push the battery cover lock to release the battery cover 4 Push the cover forward until it stops about one centimeter or half an inch Figure 4 1 Removing the battery pack cover 5 Lift off the cover 6 Pull back the battery latch and lift out the battery pack Figure 4 2 Removing the battery pack NOTE For environmental reasons do not throw away a spent battery pack Ple...

Page 118: ... handled or disposed of Dispose of the battery as required by local ordinances or regulations Use only batteries recommended by Toshiba as replacements 1 Turn off the power to the computer Disconnect the AC power cord and all external cables connected to the computer 2 Carefully insert the new or recharged battery pack 3 Replace the battery cover and push it closed Be sure the battery latch is sec...

Page 119: ...to Figure 4 4 1 Turn off the power to the computer Disconnect the AC power cord and all external cables connected to the computer 2 Remove the battery pack as described in Section 4 2 3 Pull out the eject button and press it the top button for the top card and the bottom button for the bottom card The card will pop out slightly for removal Figure 4 4 Removing the PC card ...

Page 120: ... protects the PC slot Insert the PC card through these flaps as shown in Figure 4 5 Figure 4 5 Installing the PC card 3 When the card is almost fully seated you will feel some resistance Press gently to assure a firm connection but do not force the card into position 4 When the card is fully seated an eject button will pop out the top button for the top connector and the bottom button for the bott...

Page 121: ...scribed in Sections 4 2 and 4 3 3 Turn the computer upside down 4 Remove two silver M2x4 screws securing the memory module socket cover 5 Slide your fingernail or a thin object under the cover and remove it Figure 4 6 Removing the memory module socket cover 6 Remove two M2x4 screws securing the module to a brace at the center of the module Figure 4 7 Removing the memory module 7 Insert a thin obje...

Page 122: ...mory access problems 2 Place your fingers above the connector and press firmly but gently to assure a solid connection The module should be seated level 3 Secure the module to the brace with two M2x4 screws Figure 4 8 Installing the memory module 4 If the memory module has a plastic tab fold it down first then lay the cover in place 5 Secure it with two silver M2x4 screws 6 Install the battery pac...

Page 123: ...s connected to the computer 2 Remove the battery pack optional PC card and optional memory module as described in Sections 4 2 4 3 and 4 4 3 Turn the computer upside down 4 Press the release lever lock to unlock the release lever 5 Pull up on the lever to release it Then raise it gently until the FDD pops out slightly Don t force the lever back too far Figure 4 10 Removing the FDD module 6 Grasp t...

Page 124: ...es 4 13 7 Remove six M2x6 screws and take off the upper plastic cover Figure 4 11 Removing the screws 8 Release four latches lift off the plate and remove the lower plastic cover Figure 4 12 Removing the plate ...

Page 125: ...the plate in place and seat the FDD in the lower plastic cover 4 Set the upper plastic cover in place and secure six M2x6 screws Press firmly to engage latches 5 Slowly insert the FDD module into the computer Be careful to insert the drive straight and press gently so the drive is flush with the computer 6 Hold the FDD module flush to the computer and push the lever down until it snaps into place ...

Page 126: ...ted to the computer 2 Remove the battery pack optional PC card and optional memory module as described in Sections 4 2 4 3 and 4 4 3 Turn the computer upside down 4 Press the release lever lock to unlock the release lever 5 Pull up on the lever to release it Then raise it gently until the CD ROM drive module pops out slightly Don t force the lever back too far Figure 4 14 Removing the CD ROM drive...

Page 127: ...ing the frame to the CD ROM drive Figure 4 15 Removing the screws 8 Release two latches and remove the front cover 9 Disconnect the flexible cable from the drive 10 Hold unit with the drive door facing away and push forward with thumbs to slide the drive out of the case ...

Page 128: ...e to the drive with four M2x3 screws and three M2x6 screws 5 Slowly insert the CD ROM drive module into the computer Be careful to insert it straight and press firmly so the drive is flush with the computer The release lever will close partially 6 Hold the CD ROM drive module flush to the computer and push the lever down until it snaps into place 7 Lock the drive release lever lock 8 Install the o...

Page 129: ...ord and all external cables connected to the computer 2 Remove the battery pack optional PC card optional memory module and FDD or CD ROM drive as described in Sections 4 2 through 4 6 3 Remove two M2 5x6 screws securing the HDD frame brace to the computer 4 Pull the frame forward by its handle to disconnect the HDD 5 Remove the frame and brace with the HDD Figure 4 16 Removing the frame with the ...

Page 130: ...he steps below and refer to Figures 4 17 and 4 16 1 Secure the frame to the HDD with four flat head M3x4 screws 2 Attach the HDD frame brace to the HDD frame 3 Seat the HDD in the computer and press to secure the connection 4 Secure the HDD frame to the computer with two M2 5x6 screws 5 Install the FDD or CD ROM drive optional memory module optional PC card and battery pack as described in Section...

Page 131: ...atches on the base cover and remove it Begin along the front side Figure 4 18 Removing the keyboard base 4 Lift out the keyboard and set it on the wrist rest 5 Remove tape from the keyboard connector cover 6 Remove two M2 5x6 screws securing the keyboard connector cover and remove it NOTE Some units may have a keyboard connector cover that slides over the keyboard cable If so do the following 1 Re...

Page 132: ...ng the metal cover 8 Disconnect the keyboard cable from PJ13 on the system board and lift out the keyboard Figure 4 20 Removing the keyboard NOTE If the unit under repair has a keyboard connector cover that slides along the keyboard cable then pull out the keyboard connector cover from the keyboard cable at this point ...

Page 133: ...eyboard cable then first thread the keyboard cable through the hole in the keyboard connector cover The metal cover for this kind of connector has four M2 5x6 screws Figure 4 21 Seating the metal cover 3 Fit the keyboard connector cover on the metal cover and secure it with two M2 5x6 screws or one M2 5x6 screw w washer if the unit has a sliding connector cover 4 Replace the tape 5 Fit tabs on the...

Page 134: ...al PC card optional memory module FDD or CD ROM drive HDD and keyboard as described in Sections 4 2 through 4 8 3 Disconnect the sub battery cable from PJ503 and remove the battery WARNING If you replace the sub battery be sure to use only batteries recommended by Toshiba Installation of the wrong battery can cause the battery to explode or otherwise cause damage Figure 4 22 Removing the sub batte...

Page 135: ...ve two tapes and disconnect the microphone cable from PJ3 on the sound board Figure 4 23 Disconnecting the microphone cable 6 Disconnect the VGA board from system board connector PJ16 Figure 4 24 Disconnecting the VGA board ...

Page 136: ... are not dirty If they are dirty clean them If a connector is broken replace the VGA board or system board with a new one 2 Be sure the microphone cable is on top of the VGA board and rotate the board into place When it is seated flat press evenly to connect the VGA board connector to PJ16 on the system board 3 Connect the microphone cable to PJ3 on the sound board Route the cable in a groove on t...

Page 137: ... following value TP2 6 0 V to 8 0 V If the voltage is too low replace the sub battery with a new one Figure 4 26 Measuring the voltage at TP2 6 Install the keyboard HDD FDD or CD ROM drive optional memory module optional PC card and battery pack as described in Sections 4 7 back through 4 2 ...

Page 138: ...er cord and all external cables connected to the computer 2 Remove the battery pack optional PC card optional memory module FDD or CD ROM drive HDD keyboard sub battery and VGA board as described in Sections 4 2 through 4 9 3 Turn the computer upside down and remove three M2 5x8 silver screws and four M2 5x6 screws securing the top cover and display assembly Figure 4 27 Removing the top cover scre...

Page 139: ...e RTC battery 6 Disconnect the panel close sensor cable from PJ10 7 Pull the LED cable tab then remove the LED cable from PJ14 on the system board 8 Remove one M2 5x8 screw from the sub battery base 9 Remove the tape securing the ground cable and one M2 5x6 screw from the system board with ground cable 10 Release two latches at the back of the computer and four latches at the front and lift up the...

Page 140: ...se sensor cable to the orange socket not the white one The white socket PJ503 is for the sub battery cable If these connectors are switched the system will be damaged 4 Secure the ground cable with one M2 5x6 screw on the system board 5 Secure the sub battery base with one M2 5x8 screw 6 Connect the Real Time Clock battery to PJ3 on the system board Using the multimeter measure the voltage on the ...

Page 141: ...nected to the computer 2 Remove the battery pack optional PC card optional memory module FDD or CD ROM drive HDD keyboard sub battery VGA board RTC battery and top cover with display assembly as described in Sections 4 2 through 4 10 3 Remove five M2 5x6 screws one w washer and one M2 5x4 screw securing the sound board cover HDD metal cover and Selectable Bay ground plate 4 Remove the sound board ...

Page 142: ... cable evenly to disconnect it from PJ7 on the system board Lift out the sound board 9 Disconnect the sound board power cable from PJ18 on the system board located under left side of power supply cover this cover is not removed until section 4 12 Figure 4 32 Removing the sound board 10 Unlatch the audio jack cover and remove it 11 Lift off the tape securing the membrane switch disconnect the membr...

Page 143: ... power cable CD ROM sound cable and speaker cable on top of the sound board 5 Align the flexible cable connector with PJ7 on the system board and press evenly to make the connection 6 Replace the HDD metal cover 7 Connect three cables sound board power cable to PJ9 CD ROM sound cable to PJ11 and speaker cable to PJ6 8 Secure the cables with tape 9 Seat the sound board cover HDD metal cover and Sel...

Page 144: ...memory module FDD or CD ROM drive HDD keyboard sub battery VGA board RTC battery top cover with display assembly and sound board as described in Sections 4 2 through 4 11 3 Remove the tape securing the CD ROM sound cable and disconnect it from PJ19 on the system board Note the location of the tape 4 Remove one M2 5x6 screw securing the power supply cover and remove the cover 5 Remove one M2 5x6 sc...

Page 145: ...ith one M2 5x6 screw 3 Seat the power supply cover Make sure it fits under the speaker assembly and that one pin fits through the corresponding hole in the cover 4 Secure the power supply cover with one M2 5x6 screw 5 Connect the CD ROM sound cable to PJ19 on the system board Secure it with tape at its original position 6 Install the sound board top cover with display assembly RTC battery VGA boar...

Page 146: ... FDD or CD ROM drive HDD keyboard sub battery VGA board RTC battery top cover with display assembly sound card and speaker as described in Sections 4 2 through 4 12 3 Remove one M2 5x6 screw securing the battery terminal cover and lift off the cover 4 Remove the tape securing the AC PS unit cable and disconnect it from PJ502 Note how the cable is threaded 5 Remove the tape and one M2 5x10 screw se...

Page 147: ...ure them with two M2 5x6 screws 3 Seat the AC PS unit Be sure to fit the AC PS unit s plastic cover into the notch on the holder assembly 4 Secure the tape to the plastic plate and the AC PS unit Make sure the tape is placed just above the word CAUTION 5 Secure the AC PS unit with one M2 5x10 screw 6 Connect the AC PS unit cable to PJ502 and secure the cable on the left side of PJ16 with tape 7 La...

Page 148: ...CD ROM drive HDD keyboard sub battery VGA board RTC battery top cover with display assembly sound board speaker and AC PS unit as described in Sections 4 2 through 4 13 3 Remove one M2 5x4 screw securing the infrared board 4 Disconnect the infrared board cable from PJ101 on the infrared board 5 Slide the infrared board clear of the notch on the computer and lift out the board 6 Remove the tape sec...

Page 149: ...stem board 2 Connect the infrared board cable to PJ101 3 Slide the infrared board into its notch on the computer to seat it 4 Secure the board with one M2 5x4 screw 5 Install the AC PS unit speaker sound board top cover with display assembly RTC battery sub battery VGA board keyboard HDD FDD or CD ROM drive optional memory module optional PC card and battery pack as described in Sections 4 13 back...

Page 150: ...ly sound board speaker AC PS unit and infrared board as described in Sections 4 2 through 4 14 3 Remove six M2 5x6 one M2x8 and two M2 5x4 screws securing the system board Selectable Bay connector cover VGA support ground plate and back guide assembly support 4 Lift off the Selectable Bay connector cover VGA support back guide assembly support and ground plate then lift up the front side of the sy...

Page 151: ...for the PC card pull the eject button out as far as it will go then insert the assembly and reset the eject button 5 Set the back edge of the system board into the computer s I O port side and lower the board into place 6 Secure one M2 5x6 screw in the upper right corner of system board under back guide assembly support 7 Seat the VGA support back guide assembly support Selectable Bay connector co...

Page 152: ...optional PC card and optional memory module as described in Sections 4 2 4 3 and 4 4 NOTE It is not necessary to remove the top cover with display assembly 3 Remove two seals from the display hinges and two rubber cushions from the top corners to expose screws securing the display mask NOTE Support the back of the display with your hand when you remove the screws 4 Remove four M2 5x6 screws that w...

Page 153: ...follow the steps below and refer to Figures 4 42 and 4 41 1 Set the display mask in place and secure the latches beginning with four latches at the top of the display mask 2 Continue along the sides four latches on each side and bottom of the display four latches NOTE Support the back of the display with your hand when you secure the screws 3 Secure the display mask with four M2 5x6 screws 4 Attac...

Page 154: ...ter 2 Remove the battery pack optional PC card optional memory module and display mask as described in Sections 4 2 4 3 4 4 and 4 16 NOTE Be sure to support the back of the display with your hand 3 Remove two M2 5x6 screws securing the FL inverter board The screw on the left also secures the ground cable 4 Remove the tape and disconnect the FL inverter cable from CN1 and the FL cable from CN2 on t...

Page 155: ... cable to CN2 on the FL inverter board 2 Replace the tape 3 Seat the FL inverter board NOTE Be sure to support the back of the display with your hand 4 Secure the FL inverter board with two M2 5x6 screws Be sure that the left screw secures the ground cable 5 Install the display mask optional memory card optional PC card and battery pack as described in Sections 4 16 4 4 4 3 and 4 2 ...

Page 156: ...and display mask as described in Sections 4 2 4 3 4 4 and 4 16 NOTE Support the back of the display with your hand when you remove the screws 3 Remove two M2 5x6 screws securing the FL inverter board The left screw also secures the ground cable 4 Remove one M2 5x6 screw securing the contrast control board 5 Disconnect the contrast control cable from the contrast control board 6 Remove tape and dis...

Page 157: ...rews Be sure the contrast control wheel is fitted into its opening in the case 4 Connect the contrast control cable to the contrast control board NOTE Support the back of the display with your hand when you secure the screws 5 Secure the contrast control board with one M2 5x6 screw Be sure the left screw secures the ground cable 6 Replace the tape on the FL inverter cable 7 Install the display mas...

Page 158: ...module optional PC card display mask and FL inverter board as described in Sections 4 2 4 3 4 4 4 16 and 4 17 NOTE Support the back of the display with your hand when you remove the screws 3 Remove four M2 5x6 screws securing the LCD module to the LCD cover The screw at the lower left corner also secures the ground cable Figure 4 45 Removing the LCD module screws TFT NOTE Metal edges on the LCD mo...

Page 159: ...r with shielded tape 2 Connect the display cables to PJ2 PJ3 PJ4 and PJ5 on the flexible cable and connect the flexible cable to the LCD module 3 Carefully rotate the LCD module into the LCD cover Be sure the flexible cable fits securely into the clear plastic protector NOTE Support the back of the display with your hand when you secure the screws 4 Secure four M2 5x6 screws with ground cable on t...

Page 160: ...d in Sections 4 2 4 3 4 4 4 16 and 4 18 NOTE Support the back of the display with your hand when you remove the screws 3 Remove four M2 5x6 screws securing the LCD module to the LCD cover The screw at the lower left corner also secures the ground cable Figure 4 47 Removing the LCD module screws DSTN NOTE Metal edges on the LCD module are sharp so be careful not to cut yourself 4 Carefully rotate t...

Page 161: ...he LCD module 3 Connect the display cables to PJ2 PJ3 and PJ4 on the flexible cable 4 Carefully rotate the LCD module into the LCD cover Be sure the flexible cable fits into the plastic protector NOTE Support the back of the display with your hand when you secure the screws 5 Secure four M2 5x6 screws on the LCD module Make sure the ground cable is secured at the lower left corner 6 Install the FL...

Page 162: ...mputer 2 Remove the battery pack optional memory module optional PC card display mask FL inverter board and LCD module as described in Sections 4 2 4 3 4 4 4 16 4 17 and 4 19 3 Place the FL face down and remove two M2x3 5 silver screws 4 Use a thin object to release two latches and remove the gold protective tape 5 Slide the metal cover to the left and remove it 6 Remove two M2x5 5 silver screws t...

Page 163: ...the FL 9 Remove the white protective tape securing the FL 10 Pull back the white plastic cover and remove the FL Be sure to note how the FL is threaded NOTE Be extremely careful of the silver covering over the back of the screen do not remove this covering Figure 4 50 Removing the FL TFT ...

Page 164: ...connect the LCD PCB to CN2 on the LCD module Replace the tape 4 Secure the LCD PCB with one M2x2 3 black screw two M2x3 5 silver screws and two M2x5 5 silver screws 5 Seat the metal FL cover Slide it to the right to secure the latches 6 Be sure the extension on the metal cover is under the edge of the LCD PCB 7 Secure two M2x3 5 silver screws and replace the gold protective tape 8 Install the LCD ...

Page 165: ... 4 52 1 Turn off the power to the computer Disconnect the AC power cord and all external cables connected to the computer 2 Remove the battery pack optional memory module optional PC card display mask FL inverter board and LCD module as described in Sections 4 2 4 3 4 4 4 16 4 18 and 4 20 3 Turn the LCD module over and release four latches securing the FL module to its frame 4 Remove two M2x6 silv...

Page 166: ... FL DSTN Installing the FL DSTN To install the FL follow the steps below and refer to Figures 4 52 and 4 51 1 Seat the FL and gently press it securely in place 2 Secure four latches 3 Secure two M2x6 silver screws 4 InstalltheLCDmodule FLinverterboard displaymask optionalPCcard optional memorymoduleandthebatterypackasdescribedinSections4 20 4 18 4 16 4 4 4 3 and 4 2 ...

Page 167: ...bly display mask FL inverter board LCD module and FL as described in Sections 4 2 through 4 22 3 Lift out the microphone Figure 4 53 Removing the microphone 4 Carefully pull the microphone cable through the upper cover Installing the Microphone To install the microphone follow the steps below and refer to Figure 4 53 1 Carefully route the microphone cable through the upper cover 2 Seat the microph...

Page 168: ...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 holes at the four corners of the LCD module with the corresponding holes in the LCD cover before securing the module with screws Do not force the module into place because stress can affect its performance Also the panel s polarized surface is ...

Page 169: ...ecommend 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 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 liquid 5 Glass is used in the panel so be careful not to drop it or let it strike a hard object which could cause...

Page 170: ... Be sure to wear a wrist or ankle ground when handling the module 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 171: ...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 172: ...430 Series B 1 Appendix B Board Layout B 1 System Board Front View Figure B 1 Board layout front ...

Page 173: ...B 2 430 Series B 2 System Board Back View Figure B 2 Board layout back ...

Page 174: ...Ni MhRTCBatteryConnector H PJ5 FDD CD ROMI FConnector I PJ6 Ext FDD Connector J PJ7 SoundHDDConnector K PJ8 ASYNC I F Connector L PJ9 P REPConnector M PJ10 Panel Close Sensor Connector N PJ11 FanConnector O PJ12 Ext Keyboard Connector P PJ13 KeyboardConnector Q PJ14 LEDConnector R PJ15 PC Card Slot Connector S PJ16 VGAConnector T PJ17 IrDABoardConnector U PJ18 Sound Board Power I F Connector V PJ1...

Page 175: ... Mark Number Name A IC1 CPU B IC2 SCPCNTGA C IC3 SISCNT GA D IC4 6 7 49 System Memory 51 and 52 E IC12 SI F IC27 I O Controller GA G IC29 PC Card Controller GA H IC514 PSMicroprocessor I PJ1 ThermistorConnector J PJ2 Exp MemoryConnector K PJ4 PRT RGBI FConnector ...

Page 176: ... JOYR 000 I 170 JOYW 000 O 171 GND 172 HVPC 173 LOUTLM O 174 LOURLP O 175 LINLM I 176 LINLP I C 10 PJ10 Panel Close Sensor Connector 2 pin Table C 10 Panel close sensor connector pin assignments 2 pin Pin No Signal Name I O Pin No Signal Name I O 01 PNLOFF I 02 GND C 11 PJ11 Fan Connector 2 pin Table C 11 Fan connector pin assignments 2 pin Pin No Signal Name I O Pin No Signal Name I O 01 VCC 02 G...

Page 177: ...2 _ 0C 8C 4E F0 4E 13 0D 8D 55 F0 55 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 3C F0 3C 2 24 I 17 97 43 F0 43 2 25 O 13 98 44 F0 44 2 26 P 19 99 4D F0 4D 2 27 1A 9A 54 F0 54 28 1B 9B 5B F0 5B 29 42 2B AB 5D F0 5D 5 30 Caps Lock 3A BA 58 F0 58 31 A 1E 9E 1C F0 1C 32 ...

Page 178: ...53 33 B3 41 F0 41 2 54 34 B4 49 F0 49 2 55 35 B5 4A F0 4A 2 57 Shift R 36 B6 59 F0 59 58 Ctrl 1D 9D 14 F0 14 3 60 Alt L 38 B8 11 F0 11 3 61 Space 39 B9 29 F0 29 62 ALT 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 80 Home E0 47 E0 C7 E0 6C E0 F0 6C 1 81 End E0 4F E0 CF E0 69 E0 F0 69 1 83 E0 48 E0 C8 E0 75 E0 F0...

Page 179: ...3 119 F8 42 C2 0A F0 0A 120 F9 43 C3 01 F0 01 121 F10 44 C4 09 F0 09 122 F11 57 D7 78 F0 78 3 123 F12 58 D8 07 F0 07 3 124 PrintSc 6 6 6 6 6 126 Pause 7 7 7 7 7 202 Fn 4 Notes 1 Scan codes differ by mode 2 Scan codes differ by overlay function 3 Combination with Fn key makes different codes 4 Fn key does not generate a code by itself 5 This key corresponds to key No 42 in 102 key model 6 Refer to ...

Page 180: ...he table above shows scan codes with the left Shift key In combination with the right Shift key scan codes are changed as below With left Shift With right Shift Set 1 E0 AA E0 B6 E0 2A E0 36 Set 2 E0 F0 12 E0 F0 59 E0 12 E0 59 Table D 3 Scan codes in Numlock mode Cap Key Code set 1 Code set 2 No top Make Break Make Break 75 INS E0 2A E0 52 E0 02 E0 AA E0 12 E0 70 E0 F0 70 E0 F0 12 76 DEL E0 2A E0 ...

Page 181: ... F0 6C 09 8 8 48 C8 75 F0 75 10 9 9 49 C9 7D F0 7D 11 0 37 B7 7C F0 7C 23 U 4 4B CB 6B F0 6B 24 I 5 4C CC 73 F0 73 25 O 6 4D CD 74 F0 74 26 P 4A CA 7B F0 7B 37 J 1 4F CF 69 F0 69 38 K 2 50 D0 72 F0 72 39 L 3 51 D1 7A F0 7A 40 4E CE 79 F0 79 52 M 0 52 D2 70 F0 70 53 33 B3 41 F0 41 54 53 D3 71 F0 71 55 E0 35 E0 B5 40 4A E0 F0 4A Table D 6 Scan codes with Ctrl key Key Code set 1 Code set 2 top Shift ...

Page 182: ...30 Series Table D 7 Scan codes with Alt key Key Code set 1 Code set 2 top Shift Make Make Pause Common E1 ID 45 E1 SD C5 E1 14 77 E1 F0 14 F0 77 Ctrl E0 46 E0 C6 E0 7E E0 F0 7E Thiskeygeneratesonlymakecodes ...

Page 183: ...430 Series E 1 Appendix E Key Layouts E 1 United States US Keyboard Figure E 1 US keyboard E 2 United Kingdom UK Keyboard Figure E 2 UK keyboard ...

Page 184: ...E 2 430 Series E 3 German GR Keyboard Figure E 3 GR keyboard E 4 French FR Keyboard Figure E 4 FR keyboard ...

Page 185: ...430 Series E 3 E 5 Spanish SP Keyboard Figure E 5 SP keyboard E 6 Italian IT Keyboard Figure E 6 IT keyboard ...

Page 186: ...E 4 430 Series E 7 Scandinavian SC Keyboard Figure E 7 SC keyboard E 8 Swiss German SL Keyboard Figure E 8 SL keyboard ...

Page 187: ...PD1 17 SLIN 2 PD0 11 BUSY Figure F 1 Printer wraparound connector F 2 RS 232 C Wraparound Connector 3 TD 2 RD 7 RTS 8 CTS 1 CD 4 DTR 6 DSR 9 RI Figure F 2 RS 232 C wraparound connector F 3 RS 232 C Direct Cable 9 Pin to 9 Pin 3 TD 2 RD 4 DTR 6 DSR 8 CTS 9 RI 7 RTS 1 CD 5 GND 5 GND 2 RD 3 TD 1 CD 7 RTS 6 DSR 4 DTR 8 CTS 9 RI Figure F 3 RS 232 C direct cable 9 pin to 9 pin ...

Page 188: ... 430 Series F 4 RS 232 C Direct Cable 9 Pin to 25 Pin 1 CD 4 RTS 2 RD 2 TD 3 TD 3 RD 4 DTR 5 CTS 6 DSR 22 RI 5 GND 7 GND 7 RTS 8 CD 6 DSR 20 DTR 8 CTS 9 RI Figure F 4 RS 232 C direct cable 9 pin to 25 pin ...

Page 189: ... BIOS 1 Setthesystemtobootmode 2 Turn off the power to the 430 series 3 Remove the external cable and PC card 4 Turn on the power while holding down the F12 key Keep holding the key down until the system speaker sounds a beep 5 When the message is displayed insert the BIOS rewrite disk into the FDD Press Enter to start the BIOS rewrite 6 When the BIOS rewrite is finished eject the BIOS rewrite dis...

Page 190: ...Appendix H Reliability ThefollowingtableshowsMTBF MeanTimeBetweenFailures foreachcomponent Table H 1 MTBF Component Time hours LCD 50 000 Keyboard 40 000 HDD 300 000 FDD 20 000 CD ROMdrive 45 000 AC power unit 58 000 ...

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