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Toshiba Satellite A40, Maintenance Manual

The Toshiba Satellite A40 is a powerful and reliable laptop, designed for productivity and entertainment. Its sleek design and high-performance features make it a must-have for tech-savvy individuals. Explore the full capabilities of this device with our free user manual, available for download at manualshive.com.

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4 Replacement Procedures 

4.11  CD/DVD (Audio) play button 

4-36 

 

Satellite A40 Maintenance Manual (960-458) 

4.11  CD/DVD (Audio) play button 

CAUTION:

  When removing/installing the CD/DVD (audio) play button, do not touch the 

speakers. It may cause any damage. 

Removing the CD/DVD (audio) play button 

To remove the CD/DVD (audio) play button, follow the steps below and refer to figure 4-18. 

1.

 

Remove the following 

screws

 fixing the CD/DVD (audio) play button. 

•

 

M2.5

×

4B  FLAT HEAD screw 

 

×

2 

2.

 

Disconnect the 

CD/DVD (audio)

 

play button

 

cable

 and remove the 

CD/DVD (audio)

 

play button

. 

M2.5

×

4B FLAT HEAD

CD/DVD (audio)

play button

CD/DVD (audio) play

button cable

 

Figure 4-18   Removing the CD/DVD (audio) play button 

Installing the CD/DVD (audio) play button 

To install the CD/DVD (audio) play button, follow the steps below and refer to figure 4-18. 

1.

 

Connect the 

CD/DVD (audio)

 

play button

 

cable 

to the 

CD/DVD (audio) play

 

button.

 

2.

 

Place the 

CD/DVD (audio) play

 

button

 into the slot and secure it with the following 

screws

. 

•

 

M2.5

×

4B  FLAT HEAD screw 

 

×

2 

Summary of Contents for Satellite A40

Page 1: ...Toshiba Personal Computer Satellite A40 Series Maintenance Manual TOSHIBA CORPORATION File Number 960 458 ...

Page 2: ...n 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 Intel SpeedStep Pentium and Celeron are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United Sta...

Page 3: ... 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 technicians...

Page 4: ...se 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 q Handling the LCD module q Board layout q Pin assignments q Keyboard scan character codes q Key layout q Wiring diagrams q BIOS ...

Page 5: ... on 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 ...

Page 6: ...VD RAM R RW Drive 1 27 1 10 Keyboard 1 29 1 11 TFT Color Display 1 30 1 12 Power Supply 1 32 1 13 Batteries 1 34 Chapter 2 Troubleshooting Procedures 2 1 Troubleshooting 2 1 2 2 Troubleshooting Flowchart 2 2 2 3 Power Supply Troubleshooting 2 6 2 4 System Board Troubleshooting 2 18 2 5 FDD Troubleshooting 2 34 2 6 HDD Troubleshooting 2 37 2 7 Keyboard Troubleshooting 2 42 2 8 Display Troubleshooti...

Page 7: ...t 3 22 3 10 Hard Disk Test 3 24 3 11 Real Timer Test 3 28 3 12 NDP Test 3 30 3 13 Expansion Test 3 31 3 14 CD ROM DVD ROM Test 3 33 3 15 LAN Test 3 34 3 16 Error Code and Error Status Names 3 35 3 17 Hard Disk Test Detail Status 3 38 3 18 Head Cleaning 3 40 3 19 Log Utilities 3 41 3 20 Running Test 3 43 3 21 Floppy Disk Drive Utilities 3 45 3 22 System Configuration 3 50 3 23 Setup 3 52 3 24 Repai...

Page 8: ...viii Satellite A40 Maintenance Manual 960 458 3 28 IEEE1394 Test Program 3 80 3 29 Thermal Radiation Control Test 3 81 ...

Page 9: ...oard Modem Daughter Card 4 28 4 11 CD DVD Audio play button 4 33 4 12 Display assembly 4 34 4 13 Touch pad 4 38 4 14 LED board 4 40 4 15 RTC battery 4 42 4 16 Sound board 4 44 4 17 System board Bat con cover 4 46 4 18 Fan 4 49 4 19 Modem cable 4 51 4 20 Wireless LAN cover 4 52 4 21 Battery lock assembly 4 53 4 22 Speaker 4 54 4 23 Display mask LCD unit FL inverter 4 57 4 24 LCD cable Sensor switch...

Page 10: ...CD 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 Appendix F Wiring Diagrams F 1 Appendix G BIOS Rewrite Procedures G 1 Appendix H EC KBC Rewrite Procedures H 1 Appendix I Reliability I 1 ...

Page 11: ...Satellite A40 Maintenance Manual 960 458 xi ...

Page 12: ...Chapter 1 Hardware Overview ...

Page 13: ...1 Hardware Overview 1 ii Satellite A40 Maintenance Manual 960 458 ...

Page 14: ...Disk Drive 1 13 1 5 DVD ROM Drive 1 18 1 6 CD RW DVD ROM Drive 1 20 1 7 DVD R RW Drive 1 22 1 8 DVD RW DVD Dual Drive 1 25 1 9 DVD Multi CD R RW DVD RAM R RW Drive 1 27 1 10 Keyboard 1 29 1 11 TFT Color Display 1 30 1 11 1 LCD Module 1 30 1 11 2 FL Inverter Board 1 31 1 12 Power Supply 1 32 1 13 Batteries 1 34 1 13 1 Main Battery 1 34 1 13 2 Battery Charging Control 1 35 1 13 3 RTC battery 1 36 ...

Page 15: ... 12 LCD module 1 30 Tables Table 1 1 3 5 inch FDD specifications 1 12 Table 1 2 2 5 inch HDD dimensions 1 13 Table 1 3 2 5 inch HDD specifications 1 15 Table 1 4 DVD ROM drive specifications 1 18 Table 1 5 CD RW DVD ROM drive specifications 1 20 Table 1 6 DVD R RW drive specifications 1 23 Table 1 7 DVD RW drive specifications 1 26 Table 1 8 DVD Multidrive specifications 1 27 Table 1 9 LCD module ...

Page 16: ...1 Hardware Overview Satellite A40 Maintenance Manual 960 458 1 v ...

Page 17: ...cessor Prescott with a 2 66GHz 2 80GHz 3 06GHz 3 20GHz or 3 46GHz internal clock 533MHz bus and 1 35 1 15V core operation Intel Mobile Celeron A 2 40GHz 2 50GHz 2 60GHz 2 70GHz or 2 80GHz Celeron processor with a 2 40GHz 2 50GHz 2 60GHz 2 70GHz or 2 80GHz internal clock 400MHz bus and 1 525V core operation q Chipset The Satellite A40 is equipped with Intel Montara GT Intel ICH4 M and YEBISU SS q C...

Page 18: ...s drive reads CD ROM at maximum 24 speed reads DVD ROM at maximum 8 speed q DVD R RW Drive A full size DVD R RW drive module lets you record data to rewritable CD DVD as well as run either 12 cm 4 72 inch or 8 cm 3 15 inch CD DVD without using an adaptor It is a high performance drive that reads DVD at maximum 8 speed writes DVD R RW at 1 speed and reads CD at maximum 24 speed 3 600 KB per second ...

Page 19: ...le lithium ion battery 8 400mAh Li Ion 12cell q USB Universal Serial Bus The computer has four USB ports which support USB2 0 q IEEE 1394 port The computer comes with one IEEE 1394 port It enables high speed data transfer directly from external devices such as digital video cameras q Parallel port The parallel port enables connection of parallel printer or other parallel devices ECP compatible q E...

Page 20: ...nd system is equipped with the following features AC 97 Link Sound CODEC Analog Devices 1981B Stereo speakers Volume control knob Stereo Headphone jack External microphone jack q Video out jack in some models there is no Video out jack The video jack enables to transfer NTSC or PAL data to external devices connected with S Video cable θ LAN Intel made MODEM Askey made Connectors for LAN and Modem ...

Page 21: ...tures 1 Hardware Overview Satellite A40 Maintenance Manual 960 458 1 5 The front of the computer is shown in figure 1 1 and the system unit configuration is shown in figure 1 2 Figure 1 1 Front of the computer ...

Page 22: ...1 Hardware Overview 1 1 Features 1 6 Satellite A40 Maintenance Manual 960 458 Figure 1 2 System unit configuration ...

Page 23: ...System Unit Block Diagram 1 Hardware Overview Satellite A40 Maintenance Manual 960 458 1 7 1 2 System Unit Block Diagram Figure 1 3 is a block diagram of the system unit Figure 1 3 System unit block diagram ...

Page 24: ...3 46GHz Internal clock 2 66 2 80 3 06 3 20 3 46GHz Bus 533MHz Core voltage 1 35 1 15V Battery Optimized Mode at 1 15V Built in NDP Internal cache memory 12KB in CPU Secondary cache memory 1024KB in CPU Intel Mobile Celeron 2 40 2 50 2 60 2 70 2 80GHz Internal clock 2 40 2 50 2 60 2 70 2 80GHz Bus 400MHz Core voltage 1 525V Built in NDP Internal cache memory 12KB in CPU Secondary cache memory 128KB...

Page 25: ...ion 732 pin Micro FCBGA 37 5 37 5 mm q Intel ICH4 M South Bridge One Intel 82801DBM is used This gate array has the following features Hub Link Interface PCI Rev2 2 Interface 6 PCI REQ GNT Pairs Enhanced DMA Controller Interrupt Controller and Timer Functions BusMaster IDE Controller Ultra ATA 100 66 33 USB 1 1 2 0 Controller 6 Ports EHCI Enhanced Host Controller I O APIC SMBus2 0 Controller Firmw...

Page 26: ...HC Ver 1 2 SD IO card controller Ver 1 0 SmartMedia controller SMHC Ver 01 SMIL1 0 SIO UART controller MS Debug Port Specification Ver 1 0 Docking station interface Q switch control reset control External device interface q BIOS ROM 8Mbit Flash memory 64KB used for logo 32KB used for setup and checksum 128KB used for system BIOS 64KB used for VGA BIOS 64KB used for ACPI 8KB used for PnP 8KB used f...

Page 27: ...ollowing functions Power supply sequence Thermal conditions LEDs Beep Device ON OFF Fan speed Universal I O port Docker Docking Sequence Battery capacity check Forced reset Flash rewriting EC interface I2C communication EC access Slim Select Bay Control KBC This controller has the following functions Scan controller to check status of keyboard matrix Interface controller between the keyboard scan ...

Page 28: ... wake up support AC97 interface Supports V 92 56k Modem Fax q Internal LAN Controller One Kinnereth ED82562 chip is used Supports 100Base TX and 10Base T Controls LAN q Wireless LAN Mini PCI Type III 1slot Supports Kill SW Supports Wireless LAN through PCMCIA 802 11b Agere made 802 11a b g 802 11b g Atheros made q Super I O One SMSC LPC 47N259 chip is used Floppy Disk Controller Serial Port Contro...

Page 29: ...rive that supports 720KB and 1 44MB The FDD is shown in figure 1 4 The specifications for the FDD are listed in Table 1 1 Figure 1 4 3 5 inch FDD USB External Table 1 1 3 5 inch FDD specifications Items 720KB mode 1 44MB mode FDD part 250K bits second 500K bits second Data transfer rate USB Full speed mode 12M bits second Disk rotation speed 300rpm 360rpm Track density 5 3 track mm 135TPI ...

Page 30: ... a 30GB 40GB 60GB and 80GB HDD The HDD is shown in figure 1 5 Specifications are listed in Table 1 2 and 1 3 Figure 1 5 2 5 inch HDD Table 1 2 2 5 inch HDD dimensions 1 2 Parameter Specifications TOSHIBA HDD2181B TOSHIBA HDD2190B TOSHIBA HDD2183B Outline Width mm 69 85 dimensions Height mm 9 5 Depth mm 100 Weight g 99 max 95 max 99 max Parameter Specifications TOSHIBA HDD2184B TOSHIBA HDD2194B TOS...

Page 31: ...ecifications IBM G8BC00014610 IBM G8BC0000Z810 Outline Width mm 69 85 69 85 dimensions Height mm 9 5 9 5 Depth mm 100 2 100 2 Weight g 102 max 99 max Parameter Specifications HITACHI G8BC00017310 HITACHI G8BC00017410 HITACHI G8BC00017610 Outline Width mm 69 85 dimensions Height mm 9 5 Depth mm 100 Weight g 91 95 Parameter Specifications HITACHI G8BC00013610 HITACHI G8BC00017810 HITACHI G8BC0001481...

Page 32: ...3 298 0 175 0 341 7 154 3 298 0 Interface transfer rate MB s 100 max Ultra DMA mode Track density Ktpi 78 9 88 1 78 9 Access Time Average seek sec 12 Start time sec 4 typ Specifications Parameter TOSHIBA HDD2184B TOSHIBA HDD2194B TOSHIBA HDD2188B Storage size formatted 60GB 80GB Speed RPM 5400 4200 Data transfer speed Mb sec 202 9 373 3 258 394 175 0 341 78 Interface transfer rate MB s 100 max Ult...

Page 33: ...er speed Mb sec Interface transfer rate MB s 100 max Ultra DMA mode Track density Ktpi 63 Access Time Average seek Read Average seek Write 12 typ 14 typ Start time sec 5 Specifications Parameter IBM G8BC00014610 IBM G8BC0000Z810 Storage size formatted 60GB 80GB Speed RPM 5400 4200 Data transfer speed Mb sec 450 350 Interface transfer rate MB s 100 max Ultra DMA mode Track density Ktpi 96 96 Access...

Page 34: ...fer rate MB s 100 max Ultra DMA mode Track density Ktpi 80 Access Time Average seek Read Average seek Write 13 typ Start time sec 5 typ Power on Specifications Parameter HITACHI G8BC00013610 HITACHI G8BC00017810 HITACHI G8BC00014810 Storage size formatted 60GB 80GB 80GB Speed RPM 5400 4200 5400 Data transfer speed Mb s 263 2 407 2 187 2 351 2 450 max Interface transfer rate Mb s 100 max Ultra DMA ...

Page 35: ... Table 1 4 DVD ROM drive specifications 1 2 Specifications Toshiba G8CC0000R810 Item DVD ROM CD ROM DVD RAM Burst data transfer rate MB s 16 7 PIO Mode 4 16 7 Multi word DMA Mode 2 33 3 Ultra DMA Mode 2 Average random access time ms 100 95 170 Average random seek time ms 95 90 120 Average random full strike access time ms 160 160 350 Data buffer capacity KB 192 DVD DVD ROM DVD 5 DVD 9 DVD 10 DVD 1...

Page 36: ... Mode 2 Transfer rate MB s 10 8 Single Dual layer 3 6 2 7 2 6GB 4 7GB Disc Average random access time ms 90 Single 130 Dual 85 250 4 7 GB Disc Data buffer capacity KB 256 DVD DVD ROM DVD RAM 2 6GB 4 7GB read only DVD R 3 95GB 4 7GB read only DVD RW 4 7GB read only Supported formats CD CD ROM Mode 1 Mode 2 CD ROM XA CD I Digital Video Photo CD Multisession CD Audio disc Mixed mode CD ROM CD EXTRA C...

Page 37: ... CD RW DVD ROM drive is shown in figure 1 7 Specifications are listed in Table 1 5 Figure 1 7 CD RW DVD ROM drive Table 1 5 CD RW DVD ROM drive specifications 1 3 Specifications Item TEAC G8CC0001D810 For read CD ROM 1 545 to 3 600KB sec Transfer rate For read DVD ROM 4 469 to 10 816KB sec CD ROM 90 Average access time ms DVD ROM 110 Data buffer capacity 2MB CD CD DA CD ROM Mode 1 CD ROM XA Mode 2...

Page 38: ...XA CD Audio Mixed Mode CD ROM Audio and Date combined Photo CD Single and Multi session CD I Video CD CD Plus CD Extra CD TEXT Supported formats DVD DVD ROM DVD R General Authoring DVD RW DVD RAM DVD R DVD RW Specifications Item Panasonic G8CC0001C810 For read CD ROM MAX 24 CAV MAX 3600KB s Transfer rate For read DVD ROM MAX 8 CAV MAX 10800KB s CD ROM 130 Average access time ms DVD ROM 180 Data bu...

Page 39: ...Average random access time ms CD ROM 105 DVD ROM 120 DVD RAM 130 Typ Average random seek time ms CD ROM 105 DVD ROM 120 DVD RAM 130 Typ Average full stroke access time ms CD ROM 105 DVD ROM 120 DVD RAM 130 Typ Data buffer capacity 2 048KB CD CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA CD I CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA CD R CD RW Portfolio CD R CD RW Supported f...

Page 40: ...to rewritable CD DVD as well as run either 12 cm 4 72 inch or 8 cm 3 15 inch CD DVDs without using an adaptor It is a high performance drive that reads DVD at maximum 8 speed writes DVD R RW at 1 speed and reads CD at maximum 24 speed 3 600 KB per second The DVD R RW drive is shown in figure 1 8 Specifications are listed in Table 1 6 Figure 1 8 DVD R RW drive ...

Page 41: ...ess time ms DVD ROM CD ROM DVD RAM 115 105 170 Data buffer MB 2 Speed Read DVD ROM DVD RAM CD ROM 8x 1x 24x Speed Write CD R CD RW DVD R DVD RW 4x 16x 4x 10x High Speed 1x 2x 1x Supported format Read CD CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA CD I CD I Bridge Photo CD Video CD Multisession CD Photo CD CD EXTRA CD R CD RW Portfolio CD R CD RW DVD DVD ROM DVD 5 DVD 9 DVD 10 DVD 18 DVD R Ver 1 ...

Page 42: ...DVDs as well as run either 12 cm 4 72 inch or 8 cm 3 15 inch CD DVD without using an adaptor It is a high performance drive that reads DVD at maximum 8 speed writes DVD R RW at 2 speed DVD R RW at 2 4 speed and reads CD at maximum 24 speed 3 600 KB per second The DVD multi drive is shown in Figure 1 9 Specifications for the DVD multi drive are described in table 1 7 Figure 1 9 DVD RW drive ...

Page 43: ...ess time ms DVD ROM CD ROM 150 130 Data buffer MB 2 Speed Read DVD ROM CD ROM 8x 24x Speed Write CD R CD RW DVD R DVD RW DVD R DVD RW 4x 8x 12x 16x 4x 10x High Speed 1x 2x 4x 1x 2x 2 4x 4x 2 4x 4x Supported format Read CD Photo CD single and multiple session CD ROM mode1 CD ROM XA mode2 form1 form2 Video CD CD DA CD Extra Mixed CD CD Text CD R CD RW DVD DVD ROM DVD 5 DVD 9 DVD 10 DVD 18 DVD R Ver ...

Page 44: ...600 KB per second The DVD multi drive is shown in Figure 1 10 Specifications for the DVD multi drive are described in table 1 8 Figure 1 10 DVD Multi drive Table 1 8 DVD Multi drive specifications 1 2 Specifications Panasonic G8CC00019810 Item DVD ROM CD ROM DVD RAM Burst data transfer rate MB s 33 3 Ultra DMA mode 2 16 6 PIO Mode 4 Multi word DMA mode 2 Access time ms 1 3 Stroke Access typ 180 13...

Page 45: ... DVD ROM CD ROM DVD RAM Burst data transfer rate MB s 33 3 Ultra DMA mode 2 16 7 PIO Mode 4 Multi word DMA mode 2 Access time ms 1 3 Stroke Access typ 130 110 Data buffer capacity 2MB DVD DVD VIDEO DVD ROM DVD R General Authoring DVD RW DVD RAM 4 7GB 2 6GB Read only Supported formats CD CD DA CD ROM Mode1 CD ROM XA Mode2 Form1 Form2 CD I Photo CD Multi session Video CD Enhanced CD CD TEXT ...

Page 46: ...he keyboard mounts 85 US 86 UK keys that consist of character key and control key The keyboard is connected to membrane connector on the system board and controlled by the keyboard controller Figure 1 11 is a view of the keyboard See Appendix E about a layout of the keyboard Figure 1 11 Keyboard ...

Page 47: ... and can display a maximum of 262 144 colors with 1 024 x 768 or 1 400 x 1 050 resolution North Bridge can control both internal and external XGA or SXGA support displays simultaneously Figure 1 12 shows a view of the LCD module and Table 1 9 lists the specifications Figure 1 12 LCD module Table 1 9 LCD module specifications 14 1 inch XGA TFT 1 3 Specifications Item G33C00014110 VF2093P01 VF2058P0...

Page 48: ...e 1 9 LCD module specifications 15 0 inch SXGA TFT 3 3 Specifications Item G33C0000P110 G33C0000R110 Number of Dots 1 400 W x 1 050 H Dot spacing mm 0 2175 H x 0 2175 V Display range mm 304 5 H x 228 375 V 1 11 2 FL Inverter Board The FL inverter board supplies a high frequency current to illuminate the LCD module FL Table 1 10 lists the FL inverter board specifications Table 1 10 FL inverter boar...

Page 49: ... adaptor Faulty power supply Executes forced shutdown if needed Logic Power supply to various circuits Charging current to PWM control IC for battery pack charging 3 Controls the following aspects of the logic system Power supply to gate arrays Power on off 4 Indicates the following DC IN sets LED to orange or blue Battery icon sets LED to orange or blue Faulty power supply by low battery 5 Interf...

Page 50: ...AN Power 1R5 S1V 1 5 ICH4 M 2R5 P2V 2 5 GPU NV34M 2R5 B2V 2 5 GMCH DDR SDRAM P3V 3 3 Clock Generator Thermal Sensor GMCH SDRAM SPD TV LCD ICH4 M LAN Power KINNERETH AD1981B Mini PCI EC KBC FIR E3V 3 3 YEBISUSS PC Card Power mini PCI MDC S3V 3 3 ICH4 M EC KBC Flash Memory PSC P5V 5 CRT ICH4 M FL inverter LEDs HDD ODD KB PAD Parallel SND P5V 5 MM1517A Amp A4R7 P4V 4 7 AD1981B Amp Int Ext Mic Head Ph...

Page 51: ...12 Table 1 12 Battery specifications Battery name Material Output voltage Capacity Main battery G71C00023510 G71C00023610 Lithium Ion 12 cell 10 8 V 8 400mAh RTC battery P71035017110 Nickel metal hydride 3 0 V 17mAh 1 13 1 Main Battery The removable main battery pack is the computer s main power source when the AC adaptor is not attached The main battery maintains the state of the computer when th...

Page 52: ...rges Status Charging time Quick charge 1 Power off About 3 5 hours Quick charge 2 Power on About 7 0 to 20 0 or longer NOTE The time required for quick charge 2 is affected by the amount of power the system is consuming Use of the fluorescent lamp and frequent disk access diverts power and lengthens the charge time If any of the following occurs the battery quick charge process stops 1 The battery...

Page 53: ...er to keep the current date time and other setup information in memory while the computer is turned off Table 1 14 lists the charging time and data preservation period of the RTC battery Table 1 14 RTC battery charging data preservation time Status Time Charging Time power on 8 hours Data preservation period full charge 1 month ...

Page 54: ...Chapter 2 Troubleshooting Procedures ...

Page 55: ...2 Troubleshooting Procedures 2 ii Satellite A40 Maintenance Manual 960 458 ...

Page 56: ... 2 21 Procedure 3 Diagnostic Test Program Execution Check 2 32 Procedure 4 Replacement Check 2 33 2 5 FDD Troubleshooting 2 34 Procedure 1 FDD Head Cleaning Check 2 34 Procedure 2 Diagnostic Test Program Execution Check 2 35 Procedure 3 Connector Check and Replacement Check 2 36 2 6 HDD Troubleshooting 2 37 Procedure 1 Message Check 2 37 Procedure 2 Partition Check 2 38 Procedure 3 Format Check 2 ...

Page 57: ... Program Execution Check 2 49 Procedure 2 Connector Check and Replacement Check 2 50 2 11 LAN Troubleshooting 2 51 Procedure 1 Diagnostic Test Program Execution Check 2 51 Procedure 2 Connector Check and Replacement Check 2 51 2 12 Wireless LAN Troubleshooting 2 52 Procedure 1 Transmitting Receiving Check 2 52 Procedure 2 Antennas Connection Check 2 53 Procedure 3 Antenna Check 2 54 Procedure 4 Re...

Page 58: ...rt LED 2 21 Figure 2 3 Printer port LED board 2 21 Figure 2 4 Antenna test cable 2 54 Tables Table 2 1 Battery icon 2 6 Table 2 2 DC IN icon 2 7 Table 2 3 Error code 2 9 Table 2 4 Diagnostics test result code 2 16 Table 2 5 Printer port LED status 2 23 Table 2 6 FDD error code and status 2 35 Table 2 7 Hard disk drive error code and status 2 40 ...

Page 59: ...2 Troubleshooting Procedures 2 vi Satellite A40 Maintenance Manual 960 458 ...

Page 60: ...troubleshooting procedures 1 Diagnostics Disk 2 Phillips screwdriver 2 mm 3 LH STIX screwdriver in some models 4 Toshiba MS DOS system disk s You must install the following onto the disk SYS COM FORMAT COM FDISK COM and FDISK EXE 5 Formatted work disk for floppy disk drive testing 6 Cleaning kit for floppy disk drive troubleshooting 7 Parallel port wraparound connector 8 PC card wraparound connect...

Page 61: ...wing q Ask the user if a password is registered and if it is ask him or her to enter the password If the user has forgotten the system password perform the following procedure at the appropriate step in the flowchart in Figure 2 1 q Verify with the customer that Toshiba Windows is installed on the hard disk Non Windows operating systems can cause the computer to malfunction q Make sure all optiona...

Page 62: ...2 2 Troubleshooting Flowchart 2 Troubleshooting Procedures Satellite A40 Maintenance Manual 960 458 2 3 Figure 2 1 Troubleshooting flowchart 1 2 ...

Page 63: ...2 Troubleshooting Procedures 2 2 Troubleshooting Flowchart 2 4 Satellite A40 Maintenance Manual 960 458 Figure 2 1 Troubleshooting flowchart 2 2 ...

Page 64: ...rform the HDD Troubleshooting Procedures in Section 2 6 4 If an error is detected on the keyboard test perform the Keyboard Troubleshooting Procedures in Section 2 7 5 If an error is detected on the display test perform the Display Troubleshooting Procedures in Section 2 8 6 If an error is detected on the Optical Drive test perform the Optical Drive Troubleshooting Procedures in Section 2 9 7 If a...

Page 65: ...cate the power supply status q Battery icon q DC IN icon The power supply controller displays the power supply status through the Battery icon and the DC IN icon as listed in the tables below To check the power supply status install a battery pack and connect an AC adapter Table 2 1 Battery icon Battery icon Power supply status Lights orange Quick charge Lights green Battery is fully charged and A...

Page 66: ...ove 3 When the power supply controller detects a malfunction the DC IN LED blinks and an error code is displayed If the icon blinks execute the followings 1 Remove the battery and AC adapter to cut power supply to the computer 2 Reinstall the battery and AC adapter If the LED still blinks perform the followings Check 1 If the DC IN iconblinks orange go to Procedure 2 Check 2 If the DC IN icon does...

Page 67: ...essor detects a malfunction the DC IN icon blinks orange The blink pattern indicates an error as shown below q Start Off for 2 seconds q Error code 8 bit 1 On for one second 0 On for a half second Interval between data bits Off for a half second The error code begins with the least significant digit Example Error code 12h Error codes are given in hexadecimal format ...

Page 68: ...ow The error code begins with the least significant digit Error code Table 2 3 Error code Error code Where Error occurs 1 h DC Power AC Adapter 2 h 1st battery 3 h 2nd battery 4 h S3V output 3 3V 5 h 1R5 C1V output 1 5V 6 h 1R5 C1V output 1 5V 7 h FAN12V PXP output 8 h PPV output 9 h E5V output 5 0V A h E3V output 3 3V B h FAN12V PXP output C h 1R25 B1V output 1 25V D h 1R25 B1V output 1 25V E h 2...

Page 69: ...over 15 4 A 22h Main battery discharge current is over 0 5 A when there is no load 23h Main battery charge current is over 4 3 A when the AC adapter is not directly connected 24h Current sensing IC is not normal when there is no load 25h Main battery charge current is over 0 3 A q 2nd Battery Error code Meaning 30h Over voltage has been detected 31h 2nd battery charge current is over 15 4 A 32h 2n...

Page 70: ...ut Error code Meaning 60h 1R5 C1V voltage is over 1 80 V when the computer is powered on off 61h 1R5 C1V voltage is 1 275V or under when the computer is powered on 62h 1R5 C1V voltage is 1 275V or under when the computer is booting up 63h 1R5 C1V voltage is 1 275V or under when the computer is suspended 64h 1R5 C1V voltage is not normal when the computer is shutdown 65h 1R5 C1V voltage is 1 275V o...

Page 71: ...er when the computer is booting up 93h E5V voltage is 4 50 V or over when the computer is powered off 94h E5V voltage is 4 50 V or under when the computer is suspended q E3V output Error code Meaning A0h E3V voltage is over 3 96 V when the computer is powered on off A1h E3V voltage is 2 81 V or under when the computer is powered on A2h E3V voltage is 2 81 V or under when the computer is booting up...

Page 72: ...R25 B1V voltage is over 1 50 V when the computer is powered on off D1h 1R25 B1V voltage is 1 063 V or under when the computer is powered on D2h 1R25 B1V voltage is 1 063 V or under when the computer is booting up D3h 1R25 B1V voltage is 1 063 V or over when the computer is powered off D4h 1R25 B1V voltage is 1 063 V or under when the computer is suspended q 2R5 B2V output Error code Meaning E0h 2R...

Page 73: ...the cables are connected correctly go to the following step q Connect a new AC adaptor and or AC power cord if necessary If the error still exists go to Procedure 5 Check 3 In the case of error code 2Xh q Make sure the battery pack is correctly installed in the computer If the battery pack is correctly installed go to the following step q Replace the battery pack with a new one If the error still ...

Page 74: ...rectly go to Check 3 Check 3 Make sure the AC adaptor cord is firmly connected to the DC IN jack W8800 and the DC IN jack is firmly secured to the system board If the DC IN jack loose go to Procedure 5 If it is not loose go to Check 4 Check 4 Use a multimeter to make sure the AC adaptor output voltage is close to 15 V If the output is several percent lower than 15 V go to Check 5 If the output is ...

Page 75: ...AC adaptor s output voltage is not normal Check 1 4 The battery is not installed Check 2 5 The battery s output voltage is not normal Check 3 6 The battery s temperature is not normal Check 4 7 A bad battery is installed Check 2 8 Any other problems Check 5 Check 1 Make sure the AC adaptor and AC power cord are firmly plugged into the DC IN socket and the wall outlet If these cables are connected ...

Page 76: ...omputer following the steps described in Chapter 4 Replacement Procedures Check the connection between the AC adaptor and system board After checking the connections perform the following Check 1 Check 1 Replace the AC adaptor with a new one If the AC adaptor still does not function properly perform Check 2 Check 2 Replace the system board with a new one following the steps described in Chapter 4 ...

Page 77: ...This section describes how to determine if the system board is defective or not Start with Procedure 1 and continue with the other procedures as instructed The procedures described in this section are Procedure 1 Message Check Procedure 2 Printer Port LED Check Procedure 3 Diagnostic Test Program Execution Check Procedure 4 Replacement Check ...

Page 78: ... If you press the F1 key as the message instructs the SETUP screen appears to set the system configuration If any other error message is displayed perform Check 2 a Bad HDD type Check system Then press F1 key b Bad configuration Check system Then press F1 key c Bad memory size Check system Then press F1 key d Bad time function Check system Then press F1 key e Bad check sum CMOS Check system Then p...

Page 79: ...to the HDD Troubleshooting Procedures in Section 2 6 If error message 22 or 23 is displayed go to the 3 5 FDD Troubleshooting Procedures in Section 2 5 1 PIT ERROR 2 MEMORY REFRESH ERROR 3 TIMER CH 2 OUT ERROR 4 CMOS CHECKSUM ERROR 5 CMOS BAD BATTERY ERROR 6 FIRST 64KB MEMORY ERROR 7 FIRST 64KB MEMORY PARITY ERROR 8 VRAM ERROR 9 SYSTEM MEMORY ERROR 10 SYSTEM MEMORY PARITY ERROR 11 EXTENDED MEMORY ...

Page 80: ...isplays the IRT status and test status by turning lights on and off as an eight digit binary value for boot mode Figure 2 2 shows the printer port LED Figure 2 2 Printer port LED Figure 2 3 shows the function of the printer port LED board Binary notation Hexadecimal notation Lighting ON Not lighting OFF Printer port LED status 35 H Figure 2 3 Printer port LED board ...

Page 81: ...om left to right 6 Convert the status from binary to hexadecimal notation 7 If the final LED status is FFh normal status go to Procedure 4 8 If the final LED status matches any of the test status values in Table 2 3 perform Check 1 NOTE If an error condition is detected by the IRT test the printer port LED displays the status for the last test item which ended correctly For example when the printe...

Page 82: ...n checksum error occurred Checksum other than boot block skip when returned to S3 EC KBC rewrite check B1h KBC initialization If rewrite is requested go to BIOS rewrite process Transition of process to System BIOS IRT when returned to S3 Key input Check of Tilde key key and Tab key if a key is pressed B2h BIOS rewrite request check BIOS rewrite request check if Checksum check error occurred on exc...

Page 83: ...CHGBIOSA EXE from the root directory Calculates the directory start header and sector Reads one sector of the root directory Retrieval the entry of CHGBIOSA EXE and CHGFIRMA EXE from the sector read Reading of EXE header of CHGBIOSA EXE and CHGFIRMA EXE key input when error occurred Execution of CHGBIOSA EXE and CHGFIRMA EXE B3h Prohibition of cache Initialization of special register Cache control...

Page 84: ...MOS battery level check CMOS checksum check CMOS data initialization 1 IRT status setting Setting of Boot status and IRT busy flag and 0 to the remaining bits Storing of DRAM size 03h Resume branch check at Cold boot only In the case of CMOS error no resume occurs If resume status code is not set no resume occurs Resume error check ICH Power Failure error Resume error 7AH SM RAM checksum check Res...

Page 85: ...n Setting of test pattern to channel 0 of PIT 0 before PCI bus initialization Check whether the set test pattern can be read Initialization of PIT channel 0 Setting of timer interruption interval to 55ms Initialization of PIT channel 2 Setting of the sound generator frequency to 664Hz Test of PIT channel 1 Check whether the refresh signal works normally in 30 micro s refresh interval The system ha...

Page 86: ...alization AC 97 control Initialization of temperature control information KBC initialization VGA display off Reset control Sound initialization PC multi box status acquisition HC initialization USB Device recognition and initialization Control of built in LAN permission prohibition PIC initialization PIC test Check if self test is executed or not at Cold boot only space key and printer loop back c...

Page 87: ...neration for waiting PCI_CONFIGURATION completion Task generation for waiting PCI_CONFIGURATION completion Initialization of H W needed after PCI configuration Printer port setting for models supporting printer port HDD initialization sequence start FDD initialization built in support machine only Enabling power off Output code generation 0Bh FIRST_64KB_CHECK Check of first 64KB memory 0Ch INIT_IN...

Page 88: ...of SIO 1Ch BOOT_PASSWORD Check of password In the case of Reboot Waiting for HDD initialization completion Check of key input during IRT waiting for KBC initialization completion ATA priority initialization In the case of Boot BM loading process Initialization of BM Check of key input during IRT waiting for KBC initialization completion Input of password BM open 1Dh EX_IO_ROM_CHECK Check of option...

Page 89: ... Runtimeside Update of check sum of Runtimeside Hibernation branch Initialization of Bluetooth Check of existence of object maintenance cards Prohibition of unused PC cards HW initialization before Boot Waiting for initialization completion Notifies the DVI connection status to VGA BIOS Setting of battery save mode Setting of date Waiting for Bluetooth initialization completion Update of DMI Wakeu...

Page 90: ...2 4 System Board Troubleshooting 2 Troubleshooting Procedures Satellite A40 Maintenance Manual 960 458 2 31 FFh End ...

Page 91: ...ndicates memory check of first 64KB is completed and an error occurred during initialization of vector Check 1 If the following error codes are displayed go to Procedure 5 B0h B1h B2h B5h B6h B3h 00h 01h 02h 03h 04h 05h 06h 07h 08h 09h 0Bh 0Ch 0Dh 0Eh 0Fh 10h 11h 12h 13 14h 15h 16h 17h 18h 19h 1Ah 1Bh 1Ch 1Eh Check 2 If error code 0Ah is displayed go to the following Sections Section 2 5 3 5 FDD T...

Page 92: ...c Test Menu Refer to Chapter 3 Tests and Diagnostics for more information on how to perform these tests 1 System test 2 Memory test 3 Keyboard test 4 Display test 5 Floppy Disk test 6 Printer test 7 Hard Disk test 8 Real Timer test 9 NDP test 10 Expansion test 11 CD ROM DVD ROM test 12 LAN 13 Wireless LAN test 14 Sound LAN Modem test 15 IEEE1394 If an error is detected during these tests go to Pro...

Page 93: ...ollowing the steps described in Chapter 4 Replacement Procedures and perform Check 1 Check 1 Visually check for the following a Cracked or broken connector housing b Damaged connector pins If connectors are in good condition but there is still a problem go to Check 2 Check 2 The system board may be damaged Replace the system board with a new one following the steps described in Chapter 4 Replaceme...

Page 94: ... Head Cleaning Check Procedure 2 Diagnostic Test Program Execution Check Procedure 3 Connector Check and Replacement Check Procedure 1 FDD Head Cleaning Check FDD head cleaning operation details are given in Chapter 3 Tests and Diagnostics Insert the Diagnostics Disk in the computer s floppy disk drive turn on the computer and run the test Clean the FDD heads using the cleaning kit If the FDD stil...

Page 95: ...d that the write protect tab is disabled If any other errors occur while executing the FDD diagnostics test go to Check 1 Table 2 6 FDD error code and status Code Status 01h Bad command 02h Address mark not found 03h Write protected 04h Record not found 06h Media removed 08h DMA overrun error 09h DMA boundary error 10h CRC error 20h FDC error 40h Seek error 60h No FDD 80h Time out error Not ready ...

Page 96: ...FDD is securely connected to the connector PJ4600 or PJ4601 on the system board If any of the connections are loose reconnect firmly and repeat Procedure 2 If any connector is damaged replace it with a new one and repeat Procedure 2 If there is still an error go to Check 2 Check 2 The FDD cable may be defective or damaged Replace it with a new one If the FDD is still not functioning properly perfo...

Page 97: ... When the computer s HDD does not function properly some of the following error messages may appear on the display Start with Check 1 below and perform the other checks as instructed Check 1 If any of the following messages appear go to Procedure 5 If the following messages do not appear perform Check 2 HDC ERROR After 5 seconds this message will disappear or IDE 0 ERROR After 5 seconds this messa...

Page 98: ...ition Information from the FDISK menu If drive C is listed go to Check 3 If drive C is not listed return to the FDISK menu and choose the option to create a DOS partition on drive C Restart the computer from the Toshiba MS DOS system disk If the problem still exists go to Procedure 3 Check 3 If drive C is listed as active in the FDISK menu go to Check 4 If drive C is not listed as active return to...

Page 99: ...appears on the display the HDD is formatted Format complete If an error message appears on the display refer to the Toshiba MS DOS Manual for more information and perform Check 2 Check 2 Using the Diagnostics 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 on the display t...

Page 100: ...ith a new one following the instructions in Chapter 4 Replacement Procedures The error codes and statuses are listed in Table 2 7 If an error code is not generated and the problem still exists go to Procedure 5 Table 2 7 Hard disk drive error code and status Code Status 01h Bad command 02h Address mark not found 04h Record not found 05h HDC not reset 07h Drive not initialized 08h HDC overrun DRQ 0...

Page 101: ...cedures and perform the following checks Check 1 Make sure the HDD is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 1 If there is still an error go to Check 2 Check 2 The HDD may be damaged Replace it with a new one following the instructions in Chapter 4 Replacement Procedures If the problem still exists perform Check 3 Check 3 The system bo...

Page 102: ...1 and continue with the other procedures as instructed Procedure 1 Diagnostic Test Program Execution Check Procedure 2 Connector and Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the Keyboard Test in the Diagnostic Program Refer to Chapter 3 Tests and Diagnostics for more information on how to perform the test program If an error occurs go to Procedure 2 If an error...

Page 103: ...firmly and repeat Procedure 1 If there is still an error go to Check 2 Check 2 The keyboard or its cable may be damaged Replace it with a new one following the instructions in Chapter 4 Replacement Procedures If the problem still exists perform Check 5 Check 3 Make sure the PAD cable is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 2 If there...

Page 104: ... the computer s external monitor port then boot the computer The computer automatically detects the external monitor If the external monitor works correctly the internal LCD may be damaged Go to Procedure 3 If the external monitor appears to have the same problem as the internal monitor the system board may be damaged Go to Procedure 2 Procedure 2 Diagnostic Test Program Execution Check The Displa...

Page 105: ...is also connected to the system board by an LCD FL cable And the FL is connected to the FL inverter board by the HV cable The connectors may be disconnected from the system board or the FL inverter board or they may be damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures If the connection is loose reconnect firmly and restart the computer If there is s...

Page 106: ...Procedures and test the display again If the problem still exists perform Check2 Check 2 The LCD FL cable or HV cable may be defective or damaged Replace the FL LCD or HV cable with a new one following the instructions in Chapter 4 Replacement Procedure and test the display again If the problem still exists perform Check3 Check 3 The FL inverter board may be defective or damaged Replace the FL inv...

Page 107: ...c Test Program Execution Check Procedure 2 Connector Check and Replacement Check Procedure 1 Diagnostic Test Program Execution Check The CD ROM DVD ROM test program is stored in the Diagnostics Disk For the test prepare a test CD ROM DVD ROM music CD and CD RW Media Then insert the Diagnostics Disk in the computer s floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests a...

Page 108: ...ollowing the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the Optical Drive is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 1 If there is still an error go to Check 2 Check 2 The Optical Drive may be defective or damaged Replace the drive with a new one If there is still an error go t...

Page 109: ...agnostic Test Program Execution Check Procedure 2 Connector Check and Replacement Check Procedure 1 Diagnostic Test Program Execution Check The Sound LAN Modem test program is stored in the Diagnostics Disk For the test prepare a test Sound LAN Modem Then insert the Diagnostics Disk in the computer s floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests and Diagnostics f...

Page 110: ...ures and perform the following checks Check 1 Make sure the MDC cable is firmly connected to the MDC and make sure the MDC is firmly connected to PJ3000 on the System Board If a connector is disconnected connect it firmly and repeat Procedure 1 If the Modem is still not functioning properly perform Check 2 Check 2 The MDC may be defective or damaged Replace it with a new one following the steps in...

Page 111: ...tion Check The Sound LAN Modem test program is stored in the Diagnostics Disk For the test prepare a test Sound LAN Modem Then insert the Diagnostics Disk in the computer s floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests and Diagnostics for more information about the diagnostics test procedures If any errors occur while executing the Sound LAN Modem test go to Proc...

Page 112: ...ntenna Check Procedure 4 Replacement Check Procedure 1 Transmitting Receiving Check Make sure the wireless communication switch on the front side of the computer is turned ON If it is not slide the switch toward the back of the computer to turn it on Check 1 Execute test program to check the transmitting receiving function of the wireless LAN You will need a second computer that can communicate by...

Page 113: ...e switch is Off turn it On If the wireless LAN is still not functioning properly perform Check 2 Check 2 Make sure the wireless LAN board is firmly connected to PJ2200 on the system board If the connector is disconnected connect it firmly and perform Procedure 1 If the wireless LAN board is still not functioning properly perform Check 3 Check 3 Make sure the wireless LAN antenna cables black and w...

Page 114: ...es the test when the resistance is 5Ω Or less If it is more than 5Ω the antenna cable fails the test 6 Change the antenna cable Perform from step 3 to check the black antenna cable Figure 2 4 Antenna Test cable NOTE 1 The resistances determined with the steps above may not be stable with other machines because of cable loss which varies according to the length of the cable The impedance of the ant...

Page 115: ...emble the computer and then perform the following checks Check 1 Replace the wireless LAN board with a new one following the instructions in Chapter 4 Replacement Procedures and test the display again If the problem still exists perform Check2 Check 2 The power board may be defective or damaged Replace it with a new one following the steps in Chapter 4 Replacement Procedures If the problem still e...

Page 116: ...continuing with the other procedures as required Procedure 1 Diagnostic Test Program Execution Check Procedure 2 Connector Check Procedure 3 Replacement Check Procedure 1 Diagnostic Test Program Execution Check The Sound LAN Modem test program is stored on the computer s diagnostic disk Insert the Diagnostics disk in the computer s floppy disk drive turn on the computer and run the test Refer to C...

Page 117: ... on the system board If the stereo speakers are still not functioning properly go to Procedure 3 Check 2 If headphones do not work properly the SD board may be disconnected or the headphone cable may be disconnected firmly Make sure the SD board is firmly connected to PJ9550 on the system board and the headphone cable is connected to the headphone jack PJ6000 on the SD board If the sound function ...

Page 118: ...y be defective or damaged or the SD board may be defective Replace the SD board with a new one If the headphone still does not work properly go to Check 4 Check 3 If the recording function by the external microphone does not work properly the external microphone jack may be defective or damaged or the SD board may be defective Replace the SD board with a new one If the recording function still doe...

Page 119: ... SD card can be read If the card is not recognized or data are not read go to Procedure 2 Procedure 2 Connector Replacement Check The SD card is connected to the connector PJ2130 on the system board Check 1 The SD card and the system board may be disconnected Make sure the SD card is firmly inserted to PJ2130 on the system board If not insert it firmly If the SD card is still not functioning prope...

Page 120: ...2 14 SD Card Slot Troubleshooting 2 Troubleshooting Procedures Satellite A40 Maintenance Manual 960 458 2 61 ...

Page 121: ...Chapter 3 Tests and Diagnostics ...

Page 122: ...3 Tests and Diagnostics 3 ii Satellite A40 Maintenance Manual 960 458 ...

Page 123: ...isk Test 3 24 3 11 Real Timer Test 3 28 3 12 NDP Test 3 30 3 13 Expansion Test 3 31 3 14 CD ROM DVD ROM Test 3 33 3 15 LAN Test 3 34 3 16 Error Code and Error Status Names 3 35 3 17 Hard Disk Test Detail Status 3 38 3 18 Head Cleaning 3 40 3 18 1 Function Description 3 40 3 18 2 Operations 3 40 3 19 Log Utilities 3 41 3 19 1 Function Description 3 41 3 19 2 Operations 3 42 3 20 Running Test 3 43 3...

Page 124: ...ETUP Program 3 54 3 24 Repair initial config set 3 68 3 25 Wireless LAN Test Program Agere 3 69 3 26 Wireless LAN Test Program Atheros 11b g or 11a b g 3 73 3 27 Sound LAN Modem Test Program 3 76 3 28 IEEE1394 Test Program 3 80 3 29 Thermal Radiation Control Test 3 81 Tables Table 3 1 Subtest names 3 8 Table 3 2 Error codes and error status names 3 35 Table 3 3 Hard disk controller status register...

Page 125: ...any application you may be using and close Windows Test and Diagnostic consists of the following two functions q Repair Main T D q Repair initial config set The DIAGNOSTIC MENU consists of the following eight functions q DIAGNOSTIC TEST q HEAD CLEANING q LOG UTILITIES q RUNNING TEST q FDD UTILITIES q SYSTEM CONFIGURATION q EXIT TO MS DOS q SETUP The DIAGNOSTIC TEST MENU contains the following twel...

Page 126: ... q A cleaning kit to clean the floppy disk drive heads Head Cleaning q A PC card wraparound connector for the I O card test Expansion test q A printer wraparound connector for the printer wraparound test Printer test q A CD test media TOSHIBA CD ROM TEST DISK ZA1217P01 P000204190 CD ROM DVD ROM test q A DVD test media Toshiba EMI DVD ROM TEST DISK TSD 1 q External CRT Display test q Headphone Soun...

Page 127: ...disk drive and turn on the computer while pressing U key The Diagnostics Disk contains the MS DOS boot files The following menu will appear 1 Repair Main T D 2 Repair initial config set Enter a choice 1 To execute Repair Main T D select 1 Repair Main T D with or key and press Enter key To execute Repair initial config set select 2 Repair initial config set with or key and press Enter key The follo...

Page 128: ...ted and Enter key is pressed the following menu will appear Refer to sections 3 18 through 3 23 for detailed descriptions of item 4 through 8 and 0 Service programs NOTE To exit the DIAGNOSTIC TEST MENU press the Esc key If a test program is in progress press Ctrl Break to exit the test program or press Ctrl C to stop the test program ...

Page 129: ...U 1 SYSTEM TEST 2 MEMORY TEST 3 KEYBOARD TEST 4 DISPLAY TEST 5 FLOPPY DISK TEST 6 PRINTER TEST 7 8 HARD DISK TEST 9 REAL TIMER TEST 10 NDP TEST 11 EXPANSION TEST 12 13 CD ROM DVD ROM TEST 14 LAN TEST 88 ERROR RETRY COUNT SET FDD HDD 99 EXIT TO DIAGNOSTICS MENU Select items Enter Specify Esc Exit Refer to sections 3 4 through 3 15 for detailed descriptions of each Diagnostic Tests 1 through 14 Func...

Page 130: ...TATUS XXX SUB TEST MENU 01 ROM checksum 02 Geyserville 03 04 Fan ON OFF 05 06 Quick charge 07 DMI read 08 DMI write 09 Thermister Check 99 Exit to DIAGNOSTIC TEST MENU Select items Enter Specify Esc Exit NOTE The menu displayed by your computer may be slightly different from the one shown above 4 Select the desired subtest number from the subtest menu and press Enter The following message will app...

Page 131: ...nue 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 Selecting NO keeps the test running even if an error is found Use or key to move a cursor of the TEST LOOP and ERROR STOP 6 Use the arrow keys to move the cursor to the desired option and press Enter Table 3...

Page 132: ...MI write Thermister check 2 MEMORY 01 02 06 Conventional memory Protected mode Stress 3 KEYBOARD 01 02 04 05 06 07 Pressed key display Pressed key code display Touch pad USB Port 0 Port 1 test USB Port 2 Port 3 test CD function key test 4 DISPLAY 01 02 03 04 05 06 07 VRAM read write for VGA Gradation for VGA Gradation for LCD Gradation mode test for VGA All dot on off for LCD H pattern display LCD...

Page 133: ...equential read Address uniqueness Random address data Cross talk peak shift Partial read Write specified address Read specified address Sequential write W R C specified address 9 REAL TIMER 01 02 03 Real time Backup memory Real time carry 10 NDP 01 NDP test 11 EXPANSION 01 03 PCMCIA wraparound RGB monitor ID 13 CD ROM DVD ROM 01 02 03 05 Sequential read Read specified address Random address data R...

Page 134: ...s Subtest checks that the CPU operating clock speed can be changed Subtest 04 Fan ON OFF This subtest turns on off the fan motor by force with Fan ON OFF commands and displays the max speed of the fan The following message will appear Make sure the fan does not rotate and press Enter Test Fan OFF Start Press Enter KEY The following message will appear Make sure the fan rotates at max speed and pre...

Page 135: ...3 4 System Test 3 Tests and Diagnostics Satellite A40 Maintenance Manual 960 458 3 11 This subtest checks the status for the quick charge ...

Page 136: ...pear in order Input each information If you do not replace the PCB the DMI information should not be changed 1 Enter Model Name is displayed Input the computer s model name and press Enter e g DynaBook 2 Enter Version Number is displayed Input the computer s version number and press Enter e g PC18070C313S 3 Enter Serial Number is displayed Input the computer s serial number and press Enter e g 123...

Page 137: ...isplayed Press Y then the DMI information text data is written to the Floppy disk etc Subtest 09 Thermister check This subtest reads the status normal open short of the Thermister connect check of the PS micon When it is not normal an error message is displayed When it is normal the display returns to the main menu ...

Page 138: ...ted mode NOTE The CONFIG SYS file must be configured without expanded memory manager programs such as EMM386 EXE EMM386 SYS or QEMM386 SYS Also the HIMEM SYS must be deleted from the CONFIG SYS file This subtest writes constant data FFh Aah 55h 00h and address data FFFFh FFFEh 0000h to the area of 1MB to maximum MB and reads the new data and compares the result with the original data Subtest 06 St...

Page 139: ...er that was pressed Holding a key down enables the auto repeat function which causes the key s display character to blink Press Del Enter to end the test Press Key Display IF test OK Press Del Enter Key Fn Subtest 02 Pressed key code display When a key is pressed the scan code character code and key top name are displayed on the screen in the format shown below The Ins Lock Caps Lock Num Lock Scro...

Page 140: ...3 Tests and Diagnostics 3 6 Keyboard Test 3 16 Satellite A40 Maintenance Manual 960 458 PRESS Enter KEY ...

Page 141: ... display changes according to the following illustration If a touch pad switch is pressed the BUTTONS displays appear on the right side one by one The parameters appear above the BUTTONS 1 or 2 corresponding to the pressed touch pad switch highlights If two touch pad switches are pressed at the same time the subtest menu appears IPS PAD TEST PROGRAM Vx xx POINTING PARAMETER STATUS 0000h X RATE 000...

Page 142: ...USB TEST Module ZD0003P01 and USB Cable ZD0003P02 must be connected to the computer The following message will appear Select a port to test and press Enter Test port number select 1 Port2 2 Port3 0 Port2 3 If the test ends successfully OK is displayed If there is a problem with the USB port an error message appears Check the wraparound connection and repeat the test Subtest 07 CD function key test...

Page 143: ...a is read 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 Enter Subtest 03 Gradation for LCD This subtest displays bands of...

Page 144: ...6M Mode 114 800 600 64K Mode 115 800 600 16M Mode 117 1024 768 64K Mode 118 1024 768 16M The display below appears on the screen when this subtest is executed Display example Mode 12 To exit this subtest and return to the DISPLAY TEST menu press Enter after displaying the Mode 118 Subtest 05 All dot on off for LCD This subtest displays an all white screen then an all black screen The display chang...

Page 145: ...HHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH To exit this subtest a...

Page 146: ...e to execute the test 1 The following message will appear Select the drive number media mode and start track to be tested then press Enter Test drive number select 1 FDD 1 2 FDD 2 0 FDD1 2 Media in drive 1 2 mode 0 2DD 1 2D 2 2D 2HD 2DD 3 2HD 2HD media mode 1 1 1 20MB 2 1 44MB Test start track Enter 0 dd 00 79 1 If 2 or 3 is selected in the Media in drive 1 2 mode 2 The Floppy Disk test contains f...

Page 147: ...only Track No Head No Subtest 01 Sequential read This subtest performs a Cyclic Redundancy Check CRC that continuously reads all the tracks track 0 to 39 0 to 79 on a floppy disk Subtest 02 Sequential read write This subtest continuously writes data pattern B5ADADh to all the tracks track 0 to 39 0 to 79 on a floppy disk The data is then read and compared to the original data Subtest 03 Random add...

Page 148: ...cator and an IBM compatible printer must be connected to the system to execute this test The following message will appear after selecting the subtest 01 to 03 of the printer test channel 1 XXXXh 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 a...

Page 149: ...int All characters print This subtest prints the various print types shown below Subtest 03 Wrap around NOTE To execute this subtest a printer wraparound connector must be connected to the computer s printer port The connector wiring diagram is described in Appendix F This subtest checks the output and bi directional modes of the data control and status lines through the parallel port wraparound c...

Page 150: ...ystem 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 pre installed 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 The following messages will appear after selecting the hard disk test from the DIAGNOSTIC ...

Page 151: ...it of the STATUS number indicates the drive being tested and the last two digits indicate the error status code as explained in table 3 2 of the section 3 16 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 b...

Page 152: ...erference in the neighbor track Worst pattern data Cylinder B5ADAD 0 cylinder 4A5252 1 cylinder EB6DB6 2 cylinder 149249 3 cylinder 63B63B 4 cylinder 9C49C4 5 cylinder 2DB6DB 6 cylinder D24924 7 cylinder Subtest 05 Partial read This subtest reads 1GB data just before the first middle and maximum of the HDD filed T D Test Area 1GB T D Test Area 1GB T D Test Area 1GB Subtest 06 Write specified addre...

Page 153: ...ads data which has been written to a specified cylinder and head on the HDD Subtest 09 Sequential write This subtest writes specified 2 byte data to all of the cylinders on the HDD Subtest 10 W R C specified address This subtest writes data to a specified cylinder and head on the HDD then reads the data and compares it to the original data ...

Page 154: ...XXXX 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 3 The following messages will appear Current date XX XX XXXX Current time XX XX XX Enter new time PRESS ENTER KEY TO EXIT TEST 4 If the current time is not correct input the correct time in 24 hour format To enter press Shif...

Page 155: ...3 11 Real Timer Test 3 Tests and Diagnostics Satellite A40 Maintenance Manual 960 458 3 29 Then the subtest reads and compares this data with the original data ...

Page 156: ... date and time are 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 1999 Current time 23 59 58 The real time increments are automatically executed and the following is displayed Current date 01 01 2000 Current time 00 00 00 PRESS Enter KEY TO EXIT TEST Press Enter to exit ...

Page 157: ...l 960 458 3 31 3 12 NDP Test To execute the NDP Test select 10 from the DIAGNOSTICS TEST MENU press Enter and follow the directions on the screen Subtest 01 NDP This test checks the following functions of NDP q Control word q Status word q Bus q Addition q Multiplication ...

Page 158: ... required Subtest 01 PCMCIA wraparound This subtest checks the following signal line of the PC card slot q Address line q REG CE 1 CE 2 line q Data line q Speaker line q Wait line q BSY BVD1 line This subtest is executed in the following order Sub Address Good Bad Contents 01 00001 00001 nn nn xx xx Address line REG CE 1 CE 2 nn A0 90 80 00 02 00002 ww rr Data line ww write data rr read data 03 00...

Page 159: ...o CRT monitor for the test of ID acquisition To check whether the ID is acquired or not is judged by the data from the monitor Therefore this test will fail when it is performed in simultaneously display mode or panel display mode Make sure the CRT used for this test is the one with ID and only the CRT is selected for display device before the test ...

Page 160: ...st 01 02 and 03 use the TOSHIBA CD ROM TEST DISK ZA1217P01 P000204190 for CD ROM and DVD ROM TEST DISK TSD 1 for DVD ROM For the subtest 05 use a CD RW on the market Subtest 01 Sequential read This subtest is a sequential reading of one block units 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 ad...

Page 161: ... 458 3 35 3 15 LAN Test To execute the LAN Test select 14 from the DIAGNOSTICS TEST MENU press Enter and follow the directions on the screen The LAN Test contains one subtest Subtest 01 LAN MAC ADDRESS DISPLAY This subtest reads MAC ADDRESS and displays it Press Enter to exit ...

Page 162: ... For AC adapter ROM Sensing Error For 1st Battery ROM Sensing Error For 2nd Battery ROM Thormistor Error 1 ROM Thormistor Error 2 ROM Thormistor Error 3 Memory 01 02 0D RAM Parity Error RAM Protected Mode Not Changed RAM Cache Memory Error Keyboard FE FD F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA EF ED USB GET Descr Error First USB GET Address Error HUB GET Descr Error Top88 HUB GET Descr Error Whole HUB SE...

Page 163: ...rror FDD Seek Error FDD Not Drive Error FDD Time Out Error FDD Write Buffer Error Printer 01 08 10 20 40 80 PRT Time Out PRT Fault PRT Select Line PRT Out Of Paper PRT Power Off PRT Busy Line HDD 01 02 04 05 07 08 09 0A 0B 10 11 20 40 80 AA BB CC E0 EE DA HDD Bad Command Error HDD Address Mark Not Found HDD Record Not Found Error HDD HDC Not Reset Error HDD Drive Not Initialized HDD Overrun Error ...

Page 164: ...rror NDP Addition Error NDP Multiply Error Expansion C1 C3 C4 C5 C6 C7 C8 CB CC CE CF Address Line Error CE 1 Line Error CE 2 Line Error DATA Line Error WAIT Line Error BSY Line Error BVD1 Line Error ZV Port Error No PCMCIA Card Type Error ZV_Cont Error CD DVD ROM 01 02 03 04 05 06 09 11 20 40 80 90 B0 Bad Command Illegal Length Unit Attention Media Change Request Media Detected Additional Sense B...

Page 165: ...ster 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 Busy 0 HDC is ready 1 HDC is busy 6 DRY Drive ready 0 Hard disk drive is not ready to accept any command 1 Hard disk drive is ready 5 DWF Drive write fault 0 DWF error is not detected 1 Write fault condition occurred 4 DSC Drive seek complete 0 The hard disk d...

Page 166: ...cted 6 UNC Uncorrectable 0 There is no uncorrectable data error 1 Uncorrectable data error has been detected 5 Not used 4 IDN Identification 0 Not used 1 There is no ID field in the requested sector 3 Not used 2 ABT Abort 0 Not used 1 Illegal command or command abort 1 TK0 Track 0 0 The hard disk found track 0 during a recalibrate command 1 The hard disk could not find track 0 during a recalibrate...

Page 167: ...this program 3 18 2 Operations 1 Selecting 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 dis...

Page 168: ...results in RAM This function can store data on a floppy disk or output the data to a printer The error information is displayed in the following order 1 Error count CNT 2 Test name Subtest number TS No 3 Pass count PASS 4 Error status STS 5 FDD HDD or memory address ADDR 6 Write data WD 7 Read data RD 8 HDC status HSTS 9 Error status name ERROR STATUS NAME If the power switch is turned off the err...

Page 169: ... Write 2 The error information displayed on the screen can be manipulated by the following number keys The 1 key scrolls the display to the next page The 2 key scrolls the display to the previous 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 d...

Page 170: ... 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 formatted work disk 2 Select 6 from the Diagnostic Menu and press Enter the following message displays Printer wrap around test Y N Selecting Y yes executes the printer wraparound test A printer wraparound conn...

Page 171: ... 960 458 3 45 4 Select Yes or No and 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 172: ...ch floppy disk in the following formats a 2D Double sided double density 48 67 5 TPI MFM mode 512 bytes 9 sectors track b 2DD Double 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 p...

Page 173: ...message Type select 0 2DD 3 2HD c Select a media drive type number and press Enter A message similar to the one below will be displayed Warning Disk data will be destroyed Insert work disk into drive A Press any key when ready d Remove the Diagnostics Disk from the FDD insert the work disk and press any key The following message will be displayed when the FDD format is executed FD TYPE TRACK XXX F...

Page 174: ...started FD TYPE TRACK XXX FD TYPE HEAD X FD TYPE SECTOR XX Copy start track head XXX X d The following message will appear Insert target disk into drive A Press any key when ready e Remove the source disk from the FDD then insert a formatted work disk and press any key The following message will appear and start copying to the target disk track head XXX X f When the amount of data is too large to ...

Page 175: ...sage will appear Select a media mode 2HD media mode 1 1 20MB 2 1 44MB 3 1 23MB e The following message will appear Insert source disk into drive A Press any key when ready f Insert a source disk and press any key and the following message will appear Max address Track XXXX Head XX Sector XX Track number g Set the track number head number and sector number you want to dump The system will access th...

Page 176: ...ing HDD ID displays the following HDD ID configuration HDD ID Read VX XX Drive X ID code h XXXX No of Cylinders XXXXXXXX Removable Cylinders XXXXXXXX No of Heads XXXXXXXX Unformat Bytes Track XXXXXXXX Unformat Bytes Sector XXXXXXXX Sectors Track XXXXXXXX Gap Length XXXXXXXX Sync Bytes XXXXXXXX Reserved h XXXX Serial No YYYY Controller Type h XXXX Sector Buffers XXXXXXXX ECC Bytes XXXXXXXX Firmware...

Page 177: ...uter 1 Processor type 2 VGA controller 3 MS DOS version 4 BIOS ROM version 1st ID 2nd ID 5 Boot ROM version 6 KBC version 7 PS Micon version EC Version 8 Total memory size Conventional Memory 9 Battery code 10 Sound System 11 The number of printer ports 12 The number of ASYNC ports 13 The number of math co processors 14 The number of PCMCIA Slot 15 Modem LAN Type 16 The number of floppy disk drive...

Page 178: ...X XX 1st ID XXH 2nd ID XXH BOOT ROM Version VX XX KBC Version VX XX PS Micon Version V1 XX EC Version VX XX Total Memory Size XXXXXXMB Conventional Memory XXXXXKB Battery Code XXXXX Sound System XXXXX X Printer Adapter LPT1 XXXX LPT2 XXXX LPT3 XXXX X ASYNC Adapter COM1 XXXX COM2 XXXX COM3 XXXX X Math CO Processor X PCMCIA Slot MODEM XXXXX LAN XXXXX X Floppy Disk Drive s Track XX Head XX Sector XX ...

Page 179: ...System Date Time 3 Battery 4 Password 5 Boot Priority a Boot Priority b HDD Priority c Network Boot protocol 6 Display a Power On Display b LCD Display Stretch c TV Type 7 Others a Power up Mode b CPU Cache c Level 2 Cache d Dynamic CPU Frequency Mode e Hyper Threading Technology f Auto Power On g Panel Power On Off 8 Configuration 9 I O Ports a Parallel 10 Drives I O a Built in HDD b CD ROM 11 PC...

Page 180: ...iagnostics Satellite A40 Maintenance Manual 960 458 3 53 13 Peripheral a Internal Pointing Device b Parallel Port Mode c Hard Disk Mode 14 LEGACY Emulation a USB KB Mouse Legacy Emulation b USB FDD Legacy Emulation 15 PCI LAN ...

Page 181: ... BIOS version X XX BOOT PRIORITY PASSWORD DISPLAY Battery Save Mode Full Power BATTERY Others Select items Space BkSp Change values PgDn PgUp Change pages Esc Exit without saving Home Set default values End Save changes and Exit Date MM DD YY XX XX XXXX Time HH MM SS XX XX XX SYSTEM DATE TIME Controller Mode Auto Selected Device Config Setup by OS CONFIGURATION Parallel LPT1 378H IRQ7 CH3 PCI BUS ...

Page 182: ... item requires the system to reboot the following message is displayed Are you sure Y N The changes you made will cause the system to reboot 2 To make other changes press N Repeat the steps above 3 To accept the changes press Y NOTE You can press Esc to quit at any time without saving changes SETUP asks you to confirm that you do not want to save your changes When SETUP is displayed at the next ti...

Page 183: ...ts the date Time HH MM SS Sets the time 3 Battery This option is used to select Full Power Low Poweror User Setting of the battery save mode When you select the battery save mode the followings will appear Full Power The following shows full power settings Processing Speed High CPU Sleep Mode Enabled Display Auto off 30Min HDD Auto off 30Min System Auto off Disabled 1 LCD Brightness Bright 2 Super...

Page 184: ... 2 66 2 80 3 06 3 20 3 46GHz Pentium 4 Prescott 2 40 2 60 2 60 2 70GHz Celeron Default in Full Power Mode Low CPU operates at half processing speed Default in Low Power Mode CPU Sleep Mode Use this option to enable or disable the CPU sleep function Enabled Enables sleep mode Default Disabled Disables sleep mode Display Auto Off Use this option to disable or set the duration of the display automati...

Page 185: ...3 Tests and Diagnostics 3 23 SETUP 3 58 Satellite A40 Maintenance Manual 960 458 The duration xx can be set to 1 3 5 10 15 20 or 30 minutes ...

Page 186: ...0 minutes LCD Brightness Use this option to set the level of LCD brightness Super Bright Full brightness for maximum visibility Bright Full brightness for high visibility Semi Bright Less than full brightness for saving power Cooling Method Maximum Performance If the CPU becomes too hot the fan turns on automatically in a high speed to cool down the CPU Performance If the CPU becomes too hot the f...

Page 187: ...D ROM LAN The computer looks for bootable files in the following order FDD HDD CD ROM 1 and LAN HDD CD ROM LAN FDD The computer looks for bootable files in the following order HDD CD ROM LAN and FDD FDD CD ROM LAN HDD The computer looks for bootable files in the following order FDD CD ROM LAN and HDD CD ROM LAN HDD FDD The computer looks for bootable files in the following order CD ROM LAN HDD and...

Page 188: ...splay This option is used to select the display when booting up Auto Selected Selects an external monitor if one is connected Otherwise it selects the internal LCD Default LED AnalogRGB Selects both the internal LCD and the external CRT for simultaneous display NOTE When starting the computer in Resume mode the last configuration is remembered If data does not appear on the display you are using a...

Page 189: ...software or peripherals you use a Power up Mode Use this option to choose between resume and boot mode This potion can also be set by hotkeys Boot Turns on boot mode Default Resume Turns on resume mode b CPU Cache Use this option to enable or disable the CPU cache Enabled Enables the CPU cache Default Disabled Disables the CPU cache c Level 2 Cache Use this option to enable or disable the level 2 ...

Page 190: ...n sets the Enable Disable of the Hyper Threading Technology Disabled Disables the Hyper Threading Technology function Enabled Enables the Hyper Threading Technology function Default f Auto Power On This option shows the setting for the Auto Power On function Disabled Parameters for the Auto Power On function and Wake up LAN function are not set Default Enabled Parameters for the Auto Power On func...

Page 191: ...ta saved by the resume function will be lost You must also reset this option 2 If you have set a password and the computer boots by the Auto Power On function and Resume is on the computer will start with the instant security function enabled The password message is not displayed however you must enter the password to use the computer 3 This option is enabled only once the setting is reset after b...

Page 192: ...H LPT 2 5 278H LPT 3 7 3BCH Not Used Disables port When the parallel port mode see settings below is set to ECP the DMA channel can also be set to 1 or 3 The default is 3 LPT setting Interrupt level I O address DMA channel LPT 1 7 378H 3 Default LPT 2 5 278H 3 LPT 3 7 3BCH 3 Not Used Disables port When you select one of the above options except for Not Used a subwindow similar to the one below app...

Page 193: ...and cannot be changed PCI BUS IRQ10 IRQ11 12 PC Card This option displays the PC Card Controller mode Auto Selected Use this setting for all PC Card if you are using Windows 98 2000 XP which support Plug Play Default CardBus 16 bit If you are using Windows for Workgroups or Windows NT 4 or lower or if the card does not work properly with the Auto Selected setting use this setting for Card Bus PC c...

Page 194: ...to select the hard disk mode Enhanced IDE normal Select this mode when the HDD is used for MS DOS Windows 95 98 2000 XP or OS 2 Default Standard IDE Select this mode when using an OS which does not support the Enhanced IDE When this mode is selected up to 528MB is logically available and the rest of the capacity is not usable NOTE Formats for Enhanced IDE and Standard IDE are different so if you c...

Page 195: ... USB floppy disk drive Enabled Enables LEGACY support Default USB floppy disk is available without the driver To start the computer by FD set this option to Enabled Disabled Disables LEGACY support 15 PCI LAN This option sets the Enable Disable of the built in LAN functions Enabled Enables built in LAN functions Default Disabled Disables built in LAN functions ...

Page 196: ...S Inputting DMI information and writing it Flash ROM text Writes the text adding time stamp to DMI information being written Setting HWSC Setting UUID When any abnormal is detected it waits for any key input If the problem is solved execute it again To make all the setting effective turns off the power Subtest 02 Region write This subtest sets the DVD region code Executing or not is selectable Thi...

Page 197: ...tial config set 3 70 Satellite A40 Maintenance Manual 960 458 Make sure that the MAC address IEEE1394 GUIDE and DMI information are written This test does not need tools For models without H W this test fails Go to next with any key pressed ...

Page 198: ...he computer is turned on The Wireless Communication LED lights orange 2 Release the write protection of the floppy disk for the test Turn off the computer and connect a USB FDD to the computer Insert a floppy disk containing the test program into the floppy disk drive of the target machine and turn on the target machine while pressing U The Wireless LAN test menu will appear Wireless LAN sub syste...

Page 199: ...er Mode MAC adress XXXXXXXXXXXX Ad hoc mode SS ID PHN Test Channel 10 Tx ratio 2 Mbps To prepare the tester machine for the Wireless LAN test program insert a floppy disk containing the test program into the floppy disk drive of the tester machine and turn on the tester machine The Wireless LAN test menu will appear Press 0 to select the test and press Enter in the initiator machine The following ...

Page 200: ...gram insert a floppy disk containing the test program into the floppy disk drive of the tester machine and turn on the tester machine The Wireless LAN test menu will appear Press 1 to select the test and press Enter The following message will appear Wireless LAN sub system repair test VX XX 1 Transmit Receive test Responder 2 MAC Address test Mini PCI Wireless LAN 3 Wireless LAN WEP64 128 test 0 T...

Page 201: ...ba Corporation 2000 2001 Initializing Responder Mode MAC address XXXXXXXXXXXX Ad hoc mode SS ID PHN Test Channel 10 Tx ratio 2 Mbps When the machine has passed the test OK message will appear in the target machine Then press Enter in the test machine the OK message will appear also in the test machine Press Enter to return to the main menu Subtest 02 Mac Address test This subtest reads Mac Address...

Page 202: ...nearby In this test the following items are tested Test PC side 1 SKU destination code check 2 Mac Address check 3 Communication test 802 11a mode main antenna 4 Communication test 802 11a mode sub antenna 5 Communication test 802 11b mode This program conducts the above test items continuously and displays results for each item during the test However only the last result for the whole test shall...

Page 203: ...r a while the following messages will appear The latter message is updated ever 3 seconds Waiting for transmitter to ring the bell in 11a mode Input or output error EIO rxDatBegin nothing receive within 3000millisecs waitTime The responder machine is ready for the test Setting the tester machine NOTE Release the write protection of the floppy disk for the test Insert a floppy disk containing the t...

Page 204: ... message will appear in the tester machine Press Enter to return to the main menu When the tester machine has not passed the test NG message will appear in the tester machine Pressing Enter on the screen shows the following message 8 02 11a Tx Test AUX Antenna NG Then the test returns to the main menu automatically NOTE The menu displayed by your computer may be slightly different from the one sho...

Page 205: ...NOSTICS PROGRAM SOUND LAN MODEM TEST 1 Microphoned recording play 2 SIN WAVE 3 LAN 4 Modem Press test number 1 4 Press the number you want to test and press Enter NOTE The system is capable of producing high volume sound so when you use the headphones be careful to set the volume low and adjust it as necessary Using the headphones at full volume could damage your ears To execute a subtest continuo...

Page 206: ...all micrec Record from source name is MIC Requested Sampling Rate is 22025 Hz Volume requested is 0 000dB Record to buffer is BUFFER0 Record Time requested is 5 000 seconds Actual record time will be 5 000 When the above message is displayed the screen is fixed for a while Then record the sound with the microphone When the following message appears make sure the recorded sound is replayed Play to ...

Page 207: ...d as a sine wave When the subtest is executed the following message appears Press test number 1 4 pause Press any key to continue Press any key and the following message appears Then sin wave is expanded from 16KB to 64KB data and is beeped Press test number 1 4 call sin Subtest 03 LAN This subtest checks the operation of mini PCI I F by the loopback in the chip Select 3 to execute and press Enter...

Page 208: ... Modem Test Program 3 Tests and Diagnostics Satellite A40 Maintenance Manual 960 458 3 81 NOTE The menu displayed by your computer may be slightly different from the one shown above Check that the message OK appears ...

Page 209: ...t Program with Modem Sound Line Test Version X X Scorpio Modem Initialize OK Digital Loopback Test OK RJ11 Connector Check LED Operator s Check After a few seconds the following message will appear Press Key Y OK N NG If you hear the modem sound from the speakers press Y otherwise press N NOTE The menu displayed by your computer may be slightly different from the one shown above After you press Y ...

Page 210: ...agnostics disk in the floppy disk drive and turn on the computer The Diagnostics Disk contains the MS DOS boot files The following menu will appear IEEE1394 XXXXX test menu For Repair V1 00 1 IEEE1394 test 2 Responder tool 3 ID Check Press test number 1 3 To execute the TEST select the test number you want to execute and press Enter Subtest 01 IEEE1394 test Specifies the data size and transfer spe...

Page 211: ... to the USB FDD 3 Open the EXPLORE window and double click the THERMAL bat file in the diagnostic disk 4 The input field appears on the screen Then input the temperature around the computer and click OK button The thermal radiation control test starts 5 The test result is displayed 15 minutes later When the test ends normally the following message appears in the display Status pass When an error i...

Page 212: ...3 29 Thermal Radiation Control Test 3 Tests and Diagnostics Satellite A40 Maintenance Manual 960 458 3 85 ...

Page 213: ...Chapter 4 Replacement Procedures ...

Page 214: ...4 Replacement Procedures 4 ii Satellite A40 Maintenance Manual 960 458 ...

Page 215: ...4 28 4 10 1 Wireless LAN board 4 28 4 10 2 Modem Daughter Card 4 31 4 11 CD DVD Audio play button 4 33 4 12 Display assembly 4 34 4 13 Touch pad 4 38 4 14 LED board 4 40 4 15 RTC battery 4 42 4 16 Sound board 4 44 4 17 System board Bat con cover 4 46 4 18 Fan 4 49 4 19 Modem cable 4 51 4 20 Wireless LAN cover 4 52 4 21 Battery lock assembly 4 53 4 22 Speaker 4 54 4 23 Display mask LCD unit FL inve...

Page 216: ...battery pack 4 8 Figure 4 2 Removing the PC card 4 10 Figure 4 3 Removing the SD card 4 12 Figure 4 4 Removing the HDD cover 4 13 Figure 4 5 Detaching the HDD bracket and HDD 4 14 Figure 4 6 Removing the CPU slot cover and heat sink slot cover 4 16 Figure 4 7 Removing the CPU holder and heat sink 4 17 Figure 4 8 Installing the CPU 4 18 Figure 4 9 Applying new grease 4 19 Figure 4 10 Removing the o...

Page 217: ...the speakers 4 55 Figure 4 34 Installing the left speaker cable 4 56 Figure 4 35 Removing the display mask 4 57 Figure 4 36 Removing the LCD unit and FL inverter 4 58 Figure 4 37 Removing the LCD supports 4 59 Figure 4 38 Removing the LCD cable holder 4 61 Figure 4 39 Removing the cable holder 4 61 Figure 4 40 Removing the hinge cap on the LCD cable side and sensor switch 4 62 Figure 4 41 Removing...

Page 218: ...amp 4 92 to 4 96 Figure 4 81 to 4 88 15 0 Inch XGA LG Philips Fluorescent Lamp 4 98 to 4 105 Figure 4 89 to 4 97 15 0 Inch XGA Samsung Fluorescent Lamp 4 106 to 4 110 Figure 4 98 to 4 120 15 0 Inch XGA Sharp Fluorescent Lamp 4 112 to 4 126 Figure 4 121 to 4 128 15 0 Inch SXGA LG Philips Fluorescent Lamp 4 127 to 4 132 Figure 4 129 to 4 153 15 0 Inch SXGA Sharp Fluorescent Lamp 4 133 to 4 148 ...

Page 219: ...d to be removed in order to remove others Always start by removing the battery pack next optional items such as the optional PC card and optional SD card then follow the line 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 Refer to the example at the bottom of the page How to See the Chart An example of ref...

Page 220: ...ed from an AC power source Remove any metal jewelry or accessories such as necklaces bracelets or rings in order to reduce the risk of electric shock Never work with wet or damp hands 3 Be careful of edges and corners as these may cut CAUTION 1 When you change a component be sure the replacement component meets the required specifications Never use foreign parts to avoid any risk of damage to the ...

Page 221: ...ecessary diagnostics tests described in this manual 5 Do not perform any operations that are not necessary 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 wh...

Page 222: ...ith an antenna coaxial disconnector Standard pin connectors are used with 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 causing the computer to operate abnormally you will need to reassemble the computer Install all the ...

Page 223: ...4 1 General 4 Replacement Procedures Satellite A40 Maintenance Manual 960 458 4 5 After installing an FRU in the computer confirm that the FRU and the computer are functioning properly ...

Page 224: ...ollowing equipment is necessary to disassemble and reassemble the computer One M2 point size 0 Phillips screwdriver to remove and replace screws One M2 5 M3 point size 1 Phillips screwdriver to remove and replace screws One 4 mm flat blade screwdriver 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 he...

Page 225: ... in electrical shorts or other damage if screws or components come loose NOTE Toshiba recommends that you use an electric screwdriver for quick and easy operations M2 0 17 N m 1 7 kgf cm M2 5 0 30 N m 3 0 kgf cm M3 0 57 N m 5 6 kgf cm NOTE The computer contains several flat head screws These screws have less contact area with the screwdriver so be careful to press firmly enough to prevent the scre...

Page 226: ...laces such as 2 5 mm or 2 8 mm Marking of Screws on the Computer Body To make maintenance of the computer easier markings of the kinds of the screws including the types and lengths of the screws are indicated on the computer body Kind of screws Symbol q BIND screw B q FLAT HEAD screw F q SUPER FLAT HEAD screw S q TAPPING screw T q Other screws U Unique screws STUD etc Examples q 6 mm BIND screw B6...

Page 227: ... figure 4 1 CAUTION When handling battery packs be careful not to short circuit the terminals Also do not drop hit or apply impact do not scratch break twist or bend the battery pack 1 Turn off the computer 2 Disconnect the AC adapter and other external devices from the computer 3 Turn the computer face down 4 Release the battery lock Lift up the battery pack while sliding the battery latch ...

Page 228: ...attery pack 4 10 Satellite A40 Maintenance Manual 960 458 NOTE For environmental reasons do not throw away a spent battery pack Collect the spent battery packs Battery latch Battery lock Battery Figure 4 1 Removing the Battery pack ...

Page 229: ...battery which can explode if not properly replaced used handled or disposed of For environmental reasons collect the spent battery packs Use only batteries recommended by Toshiba as replacements NOTE Check the battery s terminals visually If they are dirty wipe them clean with a dry cloth 1 Install the battery pack into the battery slot Make sure the battery pack is installed securely 2 Slide the ...

Page 230: ... figure 4 2 CAUTION Before you remove the PC card refer to the card s documentation and your operating system documentation for proper procedures and precautions 1 Turn the computer face up 2 Push the eject button It will pop out 3 Press once more the eject button to eject the PC card 4 Grasp the PC card and pull it out PC card Eject button Figure 4 2 Removing the PC card ...

Page 231: ...ite A40 Maintenance Manual 960 458 4 13 Installing the PC card To install the PC card follow the steps below and refer to figure 4 2 1 Make sure the eject button does not stick out 2 Insert the PC card and press it until it is securely connected ...

Page 232: ... you remove the SD card refer to the card s documentation and to your operating system documentation for proper procedures and precautions 1 Push the SD card It will pop out partly 2 Pull out the SD card SD card Figure 4 3 Removing the SD card Installing the SD card To install the SD card follow the steps below and refer to figure 4 3 1 Insert the SD card and press it until it is securely connecte...

Page 233: ...DD do not press the top surface as shown by the arrow Hold it by the sides HDD Removing the HDD To remove the HDD follow the steps below and refer to figures 4 4 and 4 5 1 Turn the computer upside down 2 Remove the following screwsecuring the HDD cover Remove the HDD coverby lifting it up M2 5 4B FLAT HEAD screw 2 ...

Page 234: ...4 Replacement Procedures 4 5 HDD 4 16 Satellite A40 Maintenance Manual 960 458 M2 5 4B FLAT HEAD HDD cover HDD pack M2 5 4B FLAT HEAD Tab Figure 4 4 Removing the HDD cover ...

Page 235: ...2 5 4B FLAT HEAD screw 1 NOTE The following steps describe how to disassemble the HDD pack however do not disassemble if the HDD is working properly 4 Remove the following screws M3 4S FLAT HEAD screw 4 5 Detach the HDD from the HDD bracket CAUTION Do not apply pressure to the top and bottom of the HDD HDD HDD bracket M3 4S FLAT HEAD M3 4S FLAT HEAD Figure 4 5 Detaching the HDD bracket and HDD ...

Page 236: ...ON Do not hold the HDD by its top and bottom It may damage the HDD 1 Secure the HDD to the HDD bracket with the following screws M3 4S FLAT HEAD screw 4 CAUTION Hold the HDD pack by the sides 2 Insert the HDD pack into the slot and secure it with the following screws M2 5 4B FLAT HEAD screw 1 3 Seat the HDD coverand secure it with the following screws M2 5 4B FLAT HEAD screw 2 ...

Page 237: ...operation Be sure to let it cool before starting repair work 1 Remove the following screws securing the CPU slot cover Remove the CPU slot cover by lifting it up M2 5 4B FLAT HEAD screw 2 2 Remove the following screws securing the heat sink slot cover Remove the heat sink slot cover by lifting it up M2 5 4B FLAT HEAD screw 2 Heat sink slot cover CPU slot cover M2 5 4B FLAT HEAD M2 5 4B FLAT HEAD F...

Page 238: ...EAD screw 3 4 Remove the CPU holder 5 Release the lock lever lift the lock lever vertically and lift up the heat sink M2 5 6B FLAT HEAD CPU holder Heat sink Lock lever Figure4 7 Removing the CPU holder and heat sink 6 Remove the CPU from the heat sink CAUTION As silicon grease is applied between the heat sink and CPU the CPU is removed with the heat sink If the CPU has been left on the CPU socket ...

Page 239: ... 6 to 4 9 CAUTION Place the CPU in such direction as shown below Pay attention to the position of the triangle mark on the CPU Make sure the lock lever is lifted up before installing the CPU 1 Seat the CPU in the CPU socket and lock the lock lever by pressing it down Make sure the position is exact to avoid damaging pins of the CPU CPU CPU socket Lock lever Mark Figure 4 8 Installing the CPU ...

Page 240: ...it off with a cloth in advance CPU Grease Brush Figure 4 9 Applying new grease 3 Install the heat sink CAUTION When installing the heat sink make sure the bottom of the heat sink covers the top of the CPU 4 Place the CPU holderand secure it with the following screws in the order of the number marked on the holder M2 5 6B FLAT HEAD screw 3 5 Place the heat sink slot cover and secure it with followi...

Page 241: ... follow the steps below and refer to figures 4 10 and 4 11 CAUTION Do not apply excessive force to the top of an optical drive 1 Turn the computer upside down 2 Remove the following screws securing the optical drive M2 5 4B FLAT HEAD screw 2 3 Pull the optical drive outward to disconnect it M2 5 4B FLAT HEAD Optical drive Figure 4 10 Removing the optical drive ...

Page 242: ...40 Maintenance Manual 960 458 4 Remove the following screws and detach the optical drive from the plastic frame M2 3C S FLAT HEAD screw 2 Stepping screw 1 M2 3C S FLAT HEAD Stepping screw Plastic frame Optical drive Figure 4 11 Disassembling the optical drivel ...

Page 243: ...ptical drive follow the steps below and refer to figures 4 10 and 4 11 1 Seat the optical drive on the plastic frame and secure them with the following screws M2 3C S FLAT HEAD screw 2 Stepping screw 1 2 Insert the optical drive into the slot to connect it 3 Secure the optical drive with the following screws M2 5 4B FLAT HEAD screw 2 ...

Page 244: ...o remove the keyboard follow the steps below and refer to figures 4 12 and 4 13 1 Turn the computer face up and open the display 2 Hold the both ends of the keyboard holderand lift it up to remove 3 Remove the following screws securing the keyboard and keyboard hold plate Then remove the keyboard hold plate M2 5 4B FLAT HEAD screw 3 M2 5 4B FLAT HEAD M2 5 4B FLAT HEAD Keyboard holder Keyboard hold...

Page 245: ...turn it s face down on the palm rest 5 Remove the following screwand keyboard support plate M2 5 6B FLAT HEAD screw 1 6 Disconnect the keyboard cable from the connector PJ3200 on the system board and remove the keyboard M2 5 6B FLAT HEAD PJ3200 Keyboard support plate Keyboard cable Figure 4 13 Removing the keyboard support plate ...

Page 246: ...able to the connector PJ3200 on the system board 3 Place the keyboard support plate and secure it withthe following screw M2 5 6B FLAT HEAD screw 1 4 Turn the keyboard face up and set it Make sure that there is no gap between the keyboard and the edge of palm rest 5 Place the keyboard hold plate Then secure the keyboard hold plates and the keyboard withthe following screws M2 5 4B FLAT HEAD screw ...

Page 247: ...he memory module terminals Any dirt on the terminals may cause memory access problems Never press hard or bend the memory module Removing the memory module To remove the memory module confirm that the computer is in boot mode Then perform the following procedures See Figure 4 14 1 Peel the insulator 2 Open the left and right latches and remove the memory module from slot A or slot B on the system ...

Page 248: ...nect firmly CAUTION The power must be turned off when you insert the memory module Inserting a memory module with the power on might damage the module or the computer itself Do not install a memory module in slot B only Use slot A prior to slot B Otherwise the computer or the memory may be damaged Never press hard or bend the memory module 2 When the power of the computer is turned on the computer...

Page 249: ... on risks damaging the board or the computer itself Never press hard or bend the wireless LAN board Removing the wireless LAN board To remove the wireless LAN board follow the steps below and refer to figure 4 15 and 4 16 1 Remove the screwfixing the wireless LAN board cover M2 4Z BIND screw 1 or M2 4 LH STICK screw 1 Athelos a b g 2 Slide the wireless LAN board coverto the left and lift it up to ...

Page 250: ...f the glass tape and disconnect the two wireless LAN antenna cables black and white from the wireless LAN board 4 Open the left and right latches and remove the wireless LAN board Glass tape Wireless LAN board Wireless LAN antenna cable black Latch Wireless LAN antenna cable white Figure 4 16 Removing the wireless LAN board ...

Page 251: ...e 4 15 and 4 16 1 Insert the wireless LAN board terminals slantwise into the connector on the computer and press the wireless LAN board until it is securely in place 2 Connect the wireless LAN cables black and white to the terminals on the wireless LAN board and fix them with the glass tape 3 Install the wireless LAN board coverand secure it with the following screw M2 4Z BIND screw 1 or M2 4 LH S...

Page 252: ...em daughter card follow the steps below and refer to figure 4 17 1 Remove the following screws securing the modem daughter card M2 4Z BIND screw 2 2 Lift up gently the modem daughter card perpendicularly to disconnect it from the connector PJ3000 on the system board CAUTION When removing installing the modem daughter card be sure to hold the modem daughter card by both the edges right above the co...

Page 253: ...all the modem daughter card follow the steps below and refer to figures 4 17 1 Connect the modem cable to the connector on the modem daughter card 2 Connect the modem daughter card to the connector PJ3000 on the system board CAUTION Be careful not to damage the card and connector 3 Secure the modem daughter card with the following screws M2 4Z BIND screw 2 ...

Page 254: ...s fixing the CD DVD audio play button M2 5 4B FLAT HEAD screw 2 2 Disconnect the CD DVD audio play button cable and remove the CD DVD audio play button M2 5 4B FLAT HEAD CD DVD audio play button CD DVD audio play button cable Figure 4 18 Removing the CD DVD audio play button Installing the CD DVD audio play button To install the CD DVD audio play button follow the steps below and refer to figure 4...

Page 255: ...isplay assembly follow the steps below and refer to figures 4 19 to 4 21 1 Turn the computer upside down 2 Remove the following screws M2 5 16B FLAT HEAD screw 12 16 in the figure below M2 5 6B FLAT HEAD screw 7 6 in the figure below M2 5 3B S FLAT HEAD screw 5 3 in the figure below 6 6 6 6 6 6 6 16 16 16 16 16 16 16 16 16 16 16 16 3 3 3 3 3 Figure 4 19 Removing the display assembly 1 ...

Page 256: ... 5 6B FLAT HEAD screw 2 5 Disconnect the LCD cable from the connector PJ5600 on the system board 6 Disconnect the speaker cables from the connectors PJ6001 blue and PJ6002 red on the system board 7 Disconnect the panel sensor cable from the connector PJ3302 on the system board M2 5 6B FLAT HEAD Speaker cable blue Panel sensor cable LCD cable Speaker cable red Figure 4 20 Removing the display assem...

Page 257: ...tellite A40 Maintenance Manual 960 458 8 Remove the display assembly from the base assembly while unhooking the latches Display assembly Figure 4 21 Removing the display assembly 3 NOTE When removing the display assembly be careful not to damage any cables ...

Page 258: ...ay assembly to secure the latches 3 Connect the panel sensor cable to the connector PJ3302 on the system board 4 Connect the speaker cables to the connectors PJ6001 blue and PJ6002 red on the system board 5 Connect the LCD cable to the connector PJ5600 on the system board 6 Secure the display assembly with the following screws M2 5 6B FLAT HEAD screw 2 7 Turn the computer face down and secure the ...

Page 259: ...to figures 4 22 1 Disconnect the touch pad flexible cable from the connector PJ3260 on the system board 2 Remove the following screws securing the touch pad M2 5 3B S FLAT HEAD screw 2 3 Remove the touch pad M2 5 3B S FLAT HEAD Touch pad Touch pad flexible cable PJ3260 Figure 4 22 Removing the touch pad 4 Disconnect the touch pad flexible cable from the connector on the touch pad ...

Page 260: ...nstall the touch pad follow the steps below and refer to figures 4 22 1 Connect the touch pad flexible cable to the connector on the touch pad 2 Install the touch pad and secure it with the following screws M2 5 3B S FLAT HEAD screw 2 3 Connect the touch pad flexible cable to the connector PJ3260 on the system board ...

Page 261: ...s the procedure for removing the LED board See Figure 4 23 1 Remove the following screwand LED board from the system board M2 5 6B FLAT HEAD screw 1 2 Disconnect the LED cable from the connector PJ9500 on the system board 3 Disconnect the LED cable from the LED board M2 5 6B FLAT HEAD LED board LED cable PJ9500 Figure 4 23 Removing the LED board ...

Page 262: ...dure for installing the LED board See Figure 4 23 1 Connect the LED cable to the LED board and to the connector PJ9500 on the system board NOTE When connecting the LED cable the bent portion of the cable must be connected to the connector on the LED board 2 Fix the LED board to the system board withthe following screw M2 5 6B FLAT HEAD screw 1 ...

Page 263: ...llowing signs of damage 1 Electrolyte leakage Corrosion greenish color on the battery connector or cable Corrosion on the computer s battery connector White powder on any part of the battery White powder in the battery tray Clear liquid on the battery Clear liquid in the battery tray Clear liquid on any board near the battery 2 Damage to the connection cable 3 Damage to the connector housing If an...

Page 264: ...nnector PJ8490 on the system board 2 Peel the insulators and remove the RTC battery Insulator RTC battery cable RTC battery Insulator PJ8490 Figure 4 24 Removing the RTC battery Installing the RTC battery To install the RTC battery follow the steps below and refer to figure 4 24 1 Place the RTC battery into the slot 2 Connect the RTC battery cable to the connector PJ8490 on the system board 3 Fix ...

Page 265: ...e steps below and refer to figure 4 25 1 Disconnect the sound board I F cable from the connector PJ9550 on the system board and from the connector on the sound board 2 Remove the following screws securing the sound board M2 5 6B FLAT HEAD screw 2 3 Remove the sound board M2 5 6B FLAT HEAD Sound board I F cable Sound board PJ9550 Figure 4 25 Removing the sound board ...

Page 266: ... sound board follow the steps below and refer to figure 4 25 1 Connect the sound board I F cable to the connector on the sound board 2 Install the sound board slantwise to fit the guide and secure it with the following screws M2 5 6B FLAT HEAD screw 2 3 Connect the sound board I F cable to the connector PJ9550 on the system board ...

Page 267: ... System board Bat con cover Removing the System board Bat con cover To remove the system board bat con cover follow the steps below and refer to figures 4 26 and 4 27 1 Remove the following screwand bat con cover M2 5 6B FLAT HEAD screw 1 M2 5 6B FLAT HEAD Bat con cover Figure 4 26 Removing the bat con cover ...

Page 268: ...crew 1 3 Peel off the glass tape and disconnect the fan cable 1 from the connector PJ8450 on the system board 4 Peel of the glass tape and disconnect the fan cable 2 from the connector PJ8425 on the system board 5 Lift up the system board to remove M2 5 6B FLAT HEAD System board Fan cable 1 Fan cable 2 Glass tape Glass tape PJ8450 PJ8425 Figure 4 27 Removing the system board ...

Page 269: ...system board NOTE When installing the system board be careful not to pinch or damage the fan cables 2 Connect the fan cable 2 to the connector PJ8425 on the system board and stick the glass tape 3 Connect the fan cable 1 to the connector PJ8450 on the system board and stick the glass tape 4 Secure the system board with the following screw M2 5 6B FLAT HEAD screw 1 5 Install the bat con coverand se...

Page 270: ...he fan follow the steps below and refer to figure 4 28 1 Remove the following screws securing the fan 1 M2 5 6B FLAT HEAD screw 2 2 Remove the fan 1 3 Remove the following screws securing the fan 2 M2 5 6B FLAT HEAD screw 2 4 Remove the fan 2 M2 5 6B FLAT HEAD M2 5 6B FLAT HEAD Fan 2 Fan 1 Figure4 28 Removing the fan ...

Page 271: ...ual 960 458 Installing the Fan To install the fan follow the steps below and refer to figure 4 28 1 Install the fan 2 and secure it with the following screws M2 5 6B FLAT HEAD screw 2 2 Install the fan 1 and secure it with the following screws M2 5 6B FLAT HEAD screw 2 ...

Page 272: ... remove the modem cable follow the steps below and refer to figures 4 29 1 Remove the RJ11 jack while unlatching the hooks RJ11 jack Modem cable Figure 4 29 Removing the modem cable Installing the Modem cable To install the modem cable follow the steps below and refer to figures 4 29 1 Install the RJ11 jack while latching the hooks ...

Page 273: ... the wireless LAN cover follow the steps below and refer to figure 4 30 1 Remove the wireless LAN coverwhile unlatching Wireless LAN cover Figure 4 30 Removing the wireless LAN cover Installing the Wireless LAN cover To install the wireless LAN cover follow the steps below and refer to the figure 4 30 1 Install the wireless LAN cover in the slot while latching ...

Page 274: ... 4 31 1 Remove the following screws securing the battery lock assembly M2 5 6 Tapping screw 2 M2 5 6 Tapping screw Battery lock assembly Figure 4 31 Removing the battery lock assembly 2 Remove the battery lock assembly Installing the Battery lock assembly To install the Battery lock assembly follow the steps below and refer to figures 4 31 1 Install the battery lock assembly and secure it with the...

Page 275: ...aker 4 54 Satellite A40 Maintenance Manual 960 458 4 22 Speaker Removing the Speaker To remove the speaker follow the steps below and refer to figures 4 32 and 4 33 1 Peel off the insulator Insulator Figure 4 32 Removing the insulator ...

Page 276: ...ntenance Manual 960 458 4 55 2 Remove the following screws fixing the speakers M2 5 6 Tapping screw 4 M2 5 6 Tapping M2 5 6 Tapping Speaker Speaker Figure 4 33 Removing the speakers 3 Take out the speakers from the slots and the cables from the guides holes ...

Page 277: ...the speaker follow the steps below and refer to figures 4 32 to 4 34 1 Set both the speakers in the slot and pass the cables through the hole and guide Left Speaker cable Figure 4 34 Installing the left speaker cable 2 Secure the following screws to fix the speakers M2 5 6 Tapping screw 4 3 Stick the insulator in place ...

Page 278: ...g describes the procedure for removing the display mask LCD unit and FL inverter See Figure 4 35 to 4 37 1 Peel off two mask seals and remove the following screws M2 5 6B FLAT HEAD screw x2 2 Insert your finger between the upper edge of the display mask and the LCD and remove the display mask while unlatching the display mask M2 5 6B FLAT HEAD Mask seal Display mask LCD Figure 4 35 Removing the di...

Page 279: ...sulator adhered to the FL inverter 5 Disconnect the FL cable under the insulator and HV cable from the FL inverter 6 Remove the following screws fixing the LCD unit M2 5C S FLAT HEAD screw x4 7 With the bottom edge of the LCD unit on the display cover lift the top edge of the LCD unit 8 After peeling off the glass tape disconnect the LCD cable from the connector on the back of the LCD Remove the L...

Page 280: ...er 4 Replacement Procedures Satellite A40 Maintenance Manual 960 458 4 59 M2 5C S FLAT HEAD M2 5C S FLAT HEAD M2 5C S FLAT HEAD Glass tape Insulator FL inverter LCD cable HV cable FL cable Figure 4 36 Removing the LCD unit and FL inverter ...

Page 281: ...t FL inverter 4 60 Satellite A40 Maintenance Manual 960 458 9 Remove the following screws and right and left LCD supports from the LCD unit M2 3C S FLAT HEAD screw x4 M2 3C S FLAT HEAD M2 3C S FLAT HEAD LCD support Figure 4 37 Removing the LCD supports ...

Page 282: ...rt 2 Stand the LCD unit on the display cover and connect the LCD cable to the connector on the back of the LCD Stick the glass tape on the LCD cable 3 Fix the LCD unit with the following screws M2 5C S FLAT HEAD screw x4 4 Connect the FL cable and HV cable to the FL inverter 5 Insert one insulator under the LCD unit over the FL cable and stick the other one to the FL inverter 6 Secure the FL inver...

Page 283: ...enna To remove the LCD cable sensor switch wireless LAN antenna follow the steps below and refer to figures 4 38 to 4 43 1 Remove the following screws and LCD cable holderon the back M2 5 4 Tapping screw 2 LCD cable holder M2 5 4 Tapping Figure 4 38 Removing the LCD cable holder 2 Remove the following screwand cable holder on the front M2 5 4 Tapping screw 1 M2 5 4 Tapping Cable holder Figure 4 39...

Page 284: ... the hinge cap at the LCD cable side 4 Pull out the LCD cable from the hole 5 Remove the sensor switch while unhooking the latches Hinge cap Sensor switch Figure 4 40 Removing the hinge cap on the LCD cable side and sensor switch 6 Peel off the acetate tape on the back and take out the sensor switch cable from the guide and hole ...

Page 285: ...rocedures 4 24 LCD cable Sensor switch Wireless LAN antenna 4 64 Satellite A40 Maintenance Manual 960 458 Acetate tape Acetate tape Wireless LAN antenna Sensor switch cable Figure 4 41 Removing the sensor switch cable ...

Page 286: ... hinge cap on the other side Hinge cap Figure 4 42 Removing the hinge cap on the other side 8 Peel off the five acetate tapes on the front figure4 43 and one acetate tape figure4 41 on the back fixing the wireless LAN antenna cable 9 Peel off both the wireless LAN antennas and pull out the cables through the hole under the hinge cap ...

Page 287: ...t Procedures 4 24 LCD cable Sensor switch Wireless LAN antenna 4 66 Satellite A40 Maintenance Manual 960 458 Acetate tape Wireless LAN antenna Acetate tape Acetate tape Figure 4 43 Removing the wireless LAN antenna ...

Page 288: ...3 Secure the wireless LAN antenna cables with the six acetate tapes one tape at the back five tapes at the front 4 Install the hinge cap on the opposite side of the LCD cable side 5 Install the sensor switch while hooking the latches 6 Pass the sensor switch cable through the holes and guides and stick the acetate tape 7 Pass the LCD cable through the holes and guides 8 Set the LCD cable holder an...

Page 289: ...960 458 4 25 Hinge Removing the Hinge To remove the hinge follow the steps below and refer to figures 4 44 to 4 47 1 Remove the following screws M2 5 6 Tapping screw 2 M2 5 4B FLAT HEAD screw 2 M2 5 6 Tapping M2 5 4B FLAT HEAD M2 5 4B FLAT HEAD Figure 4 44 Removing the screws ...

Page 290: ... 2 Peel off the insulator and remove the following screws and hinge while turning it M2 5 6 Tapping screw 2 M2 5 6 Tapping Figure 4 45 Removing the hinge 1 3 Remove the following screws and hinge while turning it M2 5 6 Tapping screw 2 M2 5 6 Tapping Figure 4 46 Removing the hinge 2 ...

Page 291: ...ge 4 70 Satellite A40 Maintenance Manual 960 458 4 Pull out the LCD latch hook 5 Remove the LCD latch knob LCD latch knob LCD latch hook Figure 4 47 Removing the LCD latch hook and LCD latch knob NOTE Be careful not to lose the spring ...

Page 292: ... below and refer to figures 4 37 to 4 45 1 Install the LCD latch knob and LCD latch hook Be careful not to lose the spring 2 Set both the hinges on the base side and secure them with the following screws M2 5 6 Tapping screw 4 3 Secure the hinges on the display cover with the following screws M2 5 4B FLAT HEAD screw 2 M2 5 6 Tapping screw 2 ...

Page 293: ...A G33C0000Q310 Sharp 4 26 7 G33C0000R110 LG Philips 4 26 8 15 0 inch SXGA G33C0000P110 Sharp 4 26 9 NOTE When working with a LCD module always use a flat grounded table Handle the backlight unit in the environment without dust such as on the clean bench Keep the worktable free from any screws or other material that may scratch the LCD surface Use an anti static or protective sheet When replacing t...

Page 294: ... 1 Inch XGA CHIMEI Fluorescent lamp The following describes the procedure for replacing the fluorescent lamp See Figure 4 48 to Figure 4 54 1 Remove the tapes labels and films 1 to 8 Figure 4 48 Replacing 14 1 Inch CHIMEI fluorescent lamp 1 2 Remove the latch Figure 4 49 Replacing 14 1 Inch CHIMEI fluorescent lamp 2 ...

Page 295: ...ance Manual 960 458 4 71 3 Remove the screw and PCB cover Figure 4 50 Replacing 14 1 Inch CHIMEI fluorescent lamp 3 4 Loosen the X PCB connector and disconnect the FPC from the Y PCB 5 Remove the X PCB and Y PCB Figure 4 51 Replacing 14 1 Inch CHIMEI fluorescent lamp 4 ...

Page 296: ...te A40 Maintenance Manual 960 458 6 Remove the spacer from the protector sheet 7 Remove the sheets 2 to 5 Figure 4 52 Replacing 14 1 Inch CHIMEI fluorescent lamp 5 8 Remove the LGP and reflection sheet Figure 4 53 Replacing 14 1 Inch CHIMEI fluorescent lamp 6 ...

Page 297: ... 4 Replacement Procedure Satellite A40 Maintenance Manual 960 458 4 73 9 Remove the screw Figure 4 54 Replacing 14 1 Inch CHIMEI fluorescent lamp 7 10 The assembly procedure is the reverse of the above disassembly procedure ...

Page 298: ...Replacing the 14 1 Inch XGA Samsung Fluorescent lamp The following describes the procedure for replacing the fluorescent lamp See Figure 4 55 to Figure 4 62 1 Remove the PCB cover and tapes from the LCD module Be careful not to damage the PCB Figure 4 55 Replacing 14 1 Inch Samsung fluorescent lamp 1 ...

Page 299: ...nt lamp 4 Replacement Procedure Satellite A40 Maintenance Manual 960 458 4 75 2 Remove two screws fixing the PCB Be careful not to damage the PCB Screw Screw Figure 4 56 Replacing 14 1 Inch Samsung fluorescent lamp 2 ...

Page 300: ...metal bezel from the plastic chassis by detaching the top hooks side hooks and bottom hooks Figure 4 57 Replacing 14 1 Inch Samsung fluorescent lamp 3 4 Remove the panel from the backlight unit Be careful not to damage the TCP Backlight Unit Panel Figure 4 58 Replacing 14 1 Inch Samsung fluorescent lamp 4 ...

Page 301: ...5 Remove two clips Remove the sheets lens sheet diffusion sheet light guide and reflection sheet Figure 4 59 Replacing 14 1 Inch Samsung fluorescent lamp 5 6 Remove two screws fixing the lamp cover and remove the lamp cover Screw Screw Figure 4 60 Replacing 14 1 Inch Samsung fluorescent lamp 6 ...

Page 302: ...rocedure 4 26 Fluorescent lamp 4 78 Satellite A40 Maintenance Manual 960 458 7 Remove the GND cable of the FL lamp from the plastic chassis GND cable Hot wire Figure 4 61 Replacing 14 1 Inch Samsung fluorescent lamp 7 ...

Page 303: ... Maintenance Manual 960 458 4 79 8 Remove the lamp unit from the plastic chassis and replace the lamp with a new one Lamp ASSY Figure 4 62 Replacing 14 1 Inch Samsung fluorescent lamp 8 9 The assembly procedure is the reverse of the above disassembly procedure ...

Page 304: ... and place it on a flat surface that is free of foreign objects 2 In the order 1 2 and 3 shown in Figure 4 63 remove the tape for fixing the FL tube cable two pieces of tape on the bezel that are close to the FL tube and the X PCB insulation sheet CAUTION 1 Be careful not to damage the TAB 2 Leave the insulation sheet on the bezel to allow the reuse of the sheet F 94 0 2 P C GF 1 3 B L S N F L C A...

Page 305: ...4 46 2 In the order 1 and 2 shown in Figure 4 64 remove the screws from the left and right hand sides of the module CAUTION To unfasten the screws use an insert bit of point size 0 for Philips screwdrivers 1 1 1 1 2 2 2 2 F 9 402 P C G F 1 3 BL S N F L CAU T I ON FL disposal label CAUTION label BL S N label Product label Label cautions for disposal of FL tubes Figure 4 64 Replacing 14 Inch TMD flu...

Page 306: ... the lower area 3 Gently remove the double sided tape from the cell at the reverse side of the bottom of the bezel and remove the bezel 4 Remove the double sided tape remaining at the bottom of the cell and on the reverse side of the bezel CAUTION Do not damage the TAB when releasing the latches on the upper area When removing the bezel gently remove the top double sided tape at the bottom of the ...

Page 307: ...ite A40 Maintenance Manual 960 458 4 83 Opening the PCB 1 Spread out the PCB horizontally as shown in Figure 4 66 CAUTION Be careful not to damage the TAB XP C B 1 Open the X PCB from the reverse side Figure 4 66 Replacing 14 Inch TMD fluorescent lamp 4 ...

Page 308: ...g on the reverse side of the cell CAUTION On the cell three areas are bonded to the frame with the double sided tape as shown in Figure 4 67 one area is at the top and two areas are at the bottom of both sides Remove the cell gently taking care not to damage it Be careful not to peel off the masking tape in the three areas on the cell 3 1 Remove the cell by peeling off the three pieces of double s...

Page 309: ... 2 8 5 0 0 2 1 0 0 5 Reverse side of the bezel Requirements for attaching double sided tape The end of tape must not go beyond the opening of bezel Tape must not go beyond the opening of the bezel Double sided tape 4597 Sumitomo 3M Attach tape within tolerances from 0 0 to 0 5 from the opening of the bezel tape width tape length Tapes must not be overlapped The end of tape must not go beyond the o...

Page 310: ...ed from the frame The sheet must not be dislocated from the frame The sheet must not be dislocated from the frame The frame must not be overlaid withthe prism sheet etc The frame must not be overlaid with the prism sheet etc Sheetretainingtape Align the tape with the rib of frame The frame must not be overlaid The frame must not be overlaid with the sheet Figure 4 69 Replacing 14 Inch TMD fluoresc...

Page 311: ...ht on 3 Check that the backlight is free of dust foreign objects or damage Perform this check also for the reverse side of the cell Then install the cell of the PCB assembly in the backlight unit CAUTION Align the top left corner of the cell with the corresponding corner of the backlight unit as indicated by in Figure 4 70 Be careful not to damage the TAB 2 1 3 P CB Cell of PCB Backlight Align the...

Page 312: ... 458 Folding down and temporary fixing of the TAB PCB 1 Fold down the TAB PCB toward the reverse side of the backlight unit as shown in Figure 4 71 CAUTION Be careful not to damage the TAB 1 X P CB For the X PCB toward the reverse side Figure 4 71 Replacing 14 Inch TMD fluorescent lamp 9 ...

Page 313: ... bezel Be careful not to damage the cables and TAB The bezel latches must be engaged there are five latches on the top edge and two latches on the bottom edge Figure 4 72 Replacing 14 Inch TMD fluorescent lamp 10 2 5 TA B G ND CU 2 2 2 2 2 1 Next fit the bezel s edge close to the TAB Close the five latches First fit the bezel s edge close to the lamp Use care not to damage the cable The fold of GN...

Page 314: ...our screws on the right edge in the order 1 2 3 and 4 shown in Figure 4 73 CAUTION Fasten the screws in the orders shown in Figure 4 73 No loose fastening is allowed The tightening torque must not exceed 0 147N m 1 5kgf cm for all the eight screws For the Philips screwdrivers use an insert bit of point size 0 8 7 6 5 2 3 M 2 X 2 2 8 4 1 Fasten the eight M2 2 2 screws Figure 4 73 Replacing 14 Inch ...

Page 315: ...ving slack The frame must not be overlaid with the PCB Align the sheet with the module s edge Align the sheet with the reflector s edge Align the sheet with the reflector s edge Align the sheet with the module s edge The tape edge must not protrude from the surface of the module The tape edge must not protrude from the surface of the module Attach the sheet by pressing it so that the bezel may not...

Page 316: ...EI Fluorescent lamp Disassembling the 15 0 Inch XGA CHIMEI Fluorescent lamp To disassemble the 15 0 inch XGA CHIMEI fluorescent lamp follow the steps below and refer to figures 4 75 to 4 80 1 Remove the CU tape yellow tape and protector film X Tape CU tape Protector film X Figure 4 75 Replacing 15 0 Inch CHIMEI fluorescent lamp XGA 1 ...

Page 317: ...nance Manual 960 458 4 93 2 Remove the two screws B fixing the X PCB Then remove the eight screws C fixing the metal frame Release the two hooks A B Screw Screw B Detail A A hook A hook C C C C C Screw C C C Figure 4 76 Replacing 15 0 Inch CHIMEI fluorescent lamp XGA 2 ...

Page 318: ...26 Fluorescent lamp 4 94 Satellite A40 Maintenance Manual 960 458 3 Release the latch NOTE Remove the metal frame parallel no to damage it Latch Backlight Metal frame Figure 4 77 Replacing 15 0 Inch CHIMEI fluorescent lamp XGA 3 ...

Page 319: ...acement Procedures Satellite A40 Maintenance Manual 960 458 4 95 4 Remove the X PCB When removing the X PCB be careful not to damage the TCP X PCB Panel Back light unit Figure 4 78 Replacing 15 0 Inch CHIMEI fluorescent lamp XGA 4 ...

Page 320: ...r sheet and two tapes from the backlight unit in order When removing the sheets be careful not to damage them Tape Tape BEFIII M diffuser sheet Spacer BEFIII T diffuser sheet LGP Diffuser sheet Reflector sheet Backlight unit Figure 4 79 Replacing 15 0 Inch CHIMEI fluorescent lamp XGA 5 6 Remove the two screws Screw Screw Lamp assembly Housing Figure 4 80 Replacing 15 0 Inch CHIMEI fluorescent lamp...

Page 321: ...t Procedures Satellite A40 Maintenance Manual 960 458 4 97 Assembling the 15 0 Inch XGA CHIMEI fluorescent lamp To assemble procedure of the 15 0 inchXGA CHIMEI fluorescent lamp follow the reverse steps of the disassembling steps above ...

Page 322: ... To disassemble the 15 0 inchXGA LG Philips fluorescent lamp follow the steps below and refer to figures 4 81 to 4 84 1 Remove the outside tape and cover shield 1 Remove the adhesive tape fixing the B L wire Be careful not to apply to the B L wire 2 Remove the cover shield G Be careful not to apply excessive force to the gate TCP 3 Remove the cover shield C Be careful not to apply excessive force ...

Page 323: ...ent lamp 4 Replacement Procedures Satellite A40 Maintenance Manual 960 458 4 99 Cover shield C Tape shield Adhesive tape Cover shield G Adhesive tape Figure 4 81 Replacing 15 0 Inch LG Philips fluorescent lamp XGA 1 ...

Page 324: ... Fluorescent lamp 4 100 Satellite A40 Maintenance Manual 960 458 2 Remove the top case Be careful not to apply excessive force to the top case and gate TCP Top case Figure 4 82 Replacing 15 0 Inch LG Philips fluorescent lamp XGA 2 ...

Page 325: ... 1 Remove the source PCB Be careful not to apply excessive force to the PCB or TCP when removing the double sided tape 2 Remove the gate PCB Be careful not to apply excessive force to the PCB or TCP when removing the double sided tape S o u r c e P C B G a t e P C B Figure 4 83 Replacing 15 0 Inch LG Philips fluorescent lamp XGA 3 ...

Page 326: ...3 Remove the sheets and light guide NOTE No penetration of foreign object is indispensable not to scratch the sheets 4 Remove the screw and cover assembly bottom L NOTE Maximum value of torque is 1 5kg cm Board assembly Double sided tape Adhesive tape Sheets and LGP Double sided tape Adhesive tape Double sided tape Adhesive tape Double sided tape Adhesive tape Screw Cover assembly bottom L Screw F...

Page 327: ...eets light guide adhesive tape and board assembly 1 Remove the protect film from the cover assembly bottom L 2 Secure the cover assembly bottom L with the two screws NOTE Maximum value of torque is 2 0kg cm 3 Install the light guide and sheets Secure the reflection sheets with double sided tape NOTE No penetration of foreign object is indispensable not to scratch the surface of the sheets 4 Stick ...

Page 328: ...not apply excessive force to the PCB and TCP Board assembly Double sided tape Adhesive tape Sheets and LGP Double sided tape Adhesive tape Double sided tape Adhesive tape Double sided tape Adhesive tape Screw Cover assembly bottom L Screw Figure 4 85 Replacing 15 0 Inch LG Philips fluorescent lamp XGA 5 ...

Page 329: ... gate PCB 1 Install the source PCB Be careful not to apply excessive force to the TCP 2 Install the gate PCB Be careful not to apply excessive force to the TCP Source PCB Gate PCB Figure 4 86 Replacing 15 0 Inch LG Philips fluorescent lamp XGA 6 3 Install the top case Be careful not to apply excessive force to the gate TCP ...

Page 330: ...4 Replacement Procedures 4 26 Fluorescent lamp 4 106 Satellite A40 Maintenance Manual 960 458 Top case Figure 4 87 Replacing 15 0 Inch LG Philips fluorescent lamp XGA 7 ...

Page 331: ...cover shield C NOTE Be careful not to apply excessive force to the control PCB CAUTION Wear anti static gloves to prevent circuit damage to the source PCB 3 Install the cover shield G NOTE Be careful not to apply excessive force to the gate TCP 4 Stick the adhesive tape to fix the B L wire NOTE Be careful not to apply excessive force to the B L wire Cover shield C Tape shield Adhesive tape Cover s...

Page 332: ...scent lamp Disassembling the 15 0 Inch XGA Samsung Fluorescent lamp To disassemble the 15 0 inch XGA Samsung fluorescent lamp follow the steps below and refer to figures 4 89 to 4 97 1 Remove the PCB cover NOTE When removing the PCB cover be careful not to damage the COF PCB cover Figure 4 89 Replacing 15 0 Inch Samsung fluorescent lamp XGA 1 ...

Page 333: ...aintenance Manual 960 458 4 109 2 Remove the two screws Screw Screw Figure 4 90 Replacing 15 0 Inch Samsung fluorescent lamp XGA 2 3 Remove the four screws from the top chassis Screw Screw Screw Screw Figure 4 91 Replacing 15 0 Inch Samsung fluorescent lamp XGA 3 ...

Page 334: ...l 960 458 4 Remove the four bottom hooks and four side hooks left and right Then remove the top chassis from the mold frame S i d e h o o k S i d e h o o k B o t t o m h o o k Figure 4 92 Replacing 15 0 Inch Samsung fluorescent lamp XGA 4 5 Remove the panel assembly from the mold frame ...

Page 335: ...placement Procedures Satellite A40 Maintenance Manual 960 458 4 111 NOTE When removing the panel assembly be careful not to damage the COF Panel assembly Mold frame Figure 4 93 Replacing 15 0 Inch Samsung fluorescent lamp XGA 5 ...

Page 336: ...emove the two clips fixing the sheets 2 Remove the sheets protection sheet prism sheet L U diffusion sheet LGP and reflection sheet C l i p C l i p S h e e t s Figure 4 94 Replacing 15 0 Inch Samsung fluorescent lamp XGA 6 7 Remove the lamp back cover 1 Remove the two screws from the lamp back cover 2 Remove the lamp back cover ...

Page 337: ...L a m p b a c k c o v e r S c r e w S c r e w Figure 4 95 Replacing 15 0 Inch Samsung fluorescent lamp XGA 7 8 Remove the lamp wire from the wire guide of the mold frame L a m p w i r e Figure 4 96 Replacing 15 0 Inch Samsung fluorescent lamp XGA 8 9 Remove the lamp assembly from the mold frame ...

Page 338: ...4 Replacement Procedures 4 26 Fluorescent lamp 4 114 Satellite A40 Maintenance Manual 960 458 Lamp assembly Mold frame Figure 4 97 Replacing 15 0 Inch Samsung fluorescent lamp XGA 9 ...

Page 339: ...ent Procedures Satellite A40 Maintenance Manual 960 458 4 115 Assembling the 15 0 inch XGA Samsumg Fluorescent lamp The assembly procedure of the 15 0 inch XGA Samsung fluorescent lamp is the reverse of the above disassembly procedure ...

Page 340: ...lamp follow the steps below and refer to figures 4 98 to 4 107 1 Turn the LCD module face down and remove the protection cover S A protection cover G B fixing tape C and fixing tape for lead wire D NOTE 1 Be careful not to damage the TCP or chips 2 The protection cover G is reused Discard the other tapes removed A Protection cover S C Fixing tape B Protection cover G D Fixing tape for lead wire Fi...

Page 341: ...crew Screw Figure 4 99 Replacing 15 0 Inch Sharp fluorescent lamp XGA 2 3 Turn the LCD module face up and remove the bezel E E Bezel 1 Release the bezel from the four latches of the lamp cover 2 Release the two latches left and right on the P chassis 3 Release the hook of the bezel from the lamp cover Side view Hook Figure 4 100 Replacing 15 0 Inch Sharp fluorescent lamp XGA 3 ...

Page 342: ...crews fixing the board Then open the bent portion of the TCP of the board and remove the backlight Screw Screw Screw loosening torque 1 2kg cm Figure 4 101 Replacing 15 0 Inch Sharp fluorescent lamp XGA 4 Do not hold the edge Do not hold the edge Raise the board and make this condition Figure 4 102 Replacing 15 0 Inch Sharp fluorescent lamp XGA 5 ...

Page 343: ...8 4 119 5 Turn the LCD module face up and remove the LCD panel I from the backlight unit H CAUTION Wear finger sacks or gloves during the work not to soil or scratch the LCD panel or backlight unit H Backlight unit I LCD panel Figure 4 103 Replacing 15 0 Inch Sharp fluorescent lamp XGA 6 ...

Page 344: ...960 458 6 Turn the backlight unit H removed face down and remove the two screws D and lamp cover J NOTE Be careful not to scratch or soil the sheets Screw loosening torque 1 2kg cm H Backlight unit J Lamp cover D Screw D Screw Figure 4 104 Replacing 15 0 Inch Sharp fluorescent lamp XGA 7 ...

Page 345: ...diffusion sheet K lens sheet L and light guide M NOTE Be careful not to scratch or soil the removed sheets or light guide to reuse them Do not remove the reflection sheet under the light guide K Upper diffusion sheet L Lens sheet M Light guide Figure 4 105 Replacing 15 0 Inch Sharp fluorescent lamp XGA 8 8 Remove the four double sided tapes N O P Q ...

Page 346: ...p 4 122 Satellite A40 Maintenance Manual 960 458 NOTE Discard the removed tapes Do not reuse them P Double sided tape 3 Q Double sided tape 4 N Double sided tape 1 O Double sided tape 2 Figure 4 106 Replacing 15 0 Inch Sharp fluorescent lamp XGA 9 ...

Page 347: ...l 960 458 4 123 9 Turn the backlight unit face down and remove the lamp unit R from the P chassis CAUTION When removing the lamp unit be careful not to break the lamp or bend the reflection sheet P chassis Lamp unit R Figure 4 107 Replacing 15 0 Inch Sharp fluorescent lamp XGA 10 ...

Page 348: ...scent Lamp To assemble the 15 0 Inch Sharp XGA fluorescent lamp follow the steps below and refer to figures 4 108 to 4 120 1 Stick the four double sided tapes N O P Q on the P chassis P Q N O Standard for edge of P chassis Do not make the P chassis over this line 0 to 1 mm Figure 4 108 Replacing 15 0 Inch Sharp fluorescent lamp XGA 11 ...

Page 349: ... the lamp unit R be careful not to bend or damage the reflection sheet P chassis R Lamp unit Figure 4 109 Replacing 15 0 Inch Sharp fluorescent lamp XGA 12 Z Z Cross section drawing of Z Z Install the lead wire into this groove Install the reflection sheet as it is placed inside the reflector Install the lamp unit without floating Figure 4 110 Replacing 15 0 Inch Sharp fluorescent lamp XGA 13 ...

Page 350: ...e it with the two screws D J Lamp cover D Screw D Screw Screw tightening torque 1 0kg cm Figure 4 111 Replacing 15 0 Inch Sharp fluorescent lamp XGA 14 4 Install the light guide M on the backlight unit Insert the light guide straight not to deform the reflector M Light guide Backlight unit Figure 4 112 Replacing 15 0 Inch Sharp fluorescent lamp XGA 15 ...

Page 351: ...L and upper diffusion sheet K on the backlight unit with light guide M K Upper diffusion sheet L Lens sheet M Light guide Make sure there is no dust or scratch Do not make any sheet over the edge of P chassis Figure 4 113 Replacing 15 0 Inch Sharp fluorescent lamp XGA 16 6 Place the LCD panel I on the backlight unit H ...

Page 352: ...st between the LCD panel and backlight unit If any dust is found remove it with crepe tape or others which has no remaining of paste H Backlight unit I LCD panel Guide rib Guide rib Guide rib Guide rib Make sure the LCD panel is installed in the guide rib surely Figure 4 114 Replacing 15 0 Inch Sharp fluorescent lamp XGA 17 ...

Page 353: ...nual 960 458 4 129 7 Bend the TCP attaching to the source board and secure it with the two screws Do not hold the edge Do not hold the edge Figure 4 115 Replacing 15 0 Inch Sharp fluorescent lamp XGA 18 Screw Screw Figure 4 116 Replacing 15 0 Inch Sharp fluorescent lamp XGA 19 ...

Page 354: ...the lamp cover and hook the four latches on the lamp cover and two latches on the P chassis E Bezel 2 Lean the bezel on the lamp cover without interference with the TCP 1 Hitch the hook of the bezel on the rib of the P chassis Side view Hook Lamp cover side Figure 4 117 Replacing 15 0 Inch Sharp fluorescent lamp XGA 20 ...

Page 355: ... Manual 960 458 4 131 Make sure of mating of the bezel and the rib of the P chassis Make sure of mating of the bezel and the latch of the P chassis Make sure of mating of the bezel and the latch of the P chassis Figure 4 118 Replacing 15 0 Inch Sharp fluorescent lamp XGA 21 ...

Page 356: ...rocedures 4 26 Fluorescent lamp 4 132 Satellite A40 Maintenance Manual 960 458 9 Secure the sides of the unit with the four screws Screw Screw Screw Screw Figure 4 119 Replacing 15 0 Inch Sharp fluorescent lamp XGA 22 ...

Page 357: ...g tape for lead wire D Fit the cover according to the outline of the screw Stick the tape according to the outline of the LCD module Make sure the tape does not appear on the side of the module Do not make the tape over the top of the module 0 to 1 mm The tape MUST NOT appear on the display 0 to 0 5 mm C D B A Figure 4 120 Replacing 15 0 Inch Sharp fluorescent lamp XGA 23 ...

Page 358: ... disassemble the 15 0 inch SXGA LG Philips fluorescent lamp follow the steps below and refer to figures 4 121 to 4 124 1 Remove the outside tape and cover shield 1 Remove the adhesive tape fixing the B L wire Be careful not to apply excessive force to the B L wire 2 Remove the cover shield G Be careful not to apply excessive force to the gate TCP 3 Remove the cover shield C Be careful not to apply...

Page 359: ...rocedures 4 26 Fluorescent lamp 4 128 Satellite A40 Maintenance Manual 960 458 Cover shield C Tape shield Adhesive tape Cover shield G Adhesive tape Figure 4 121 Replacing 15 0 Inch LG Philips fluorescent lamp SXGA 1 ...

Page 360: ... Replacing 15 0 Inch LG Philips fluorescent lamp SXGA 2 3 Remove the source PCB and gate PCB 1 Remove the source PCB Be careful not to apply excessive force to the PCB or TCP when removing double sided tape 2 Remove the gate PCB Be careful not to apply excessive force to the PCB or TCP when removing double sided tape Source PCB Gate PCB Figure 4 123 Replacing 15 0 Inch LG Philips fluorescent lamp ...

Page 361: ...ove the adhesive tape fixing the sheets four points 3 Remove the sheets and light guide NOTE No penetration of foreign object is indispensable not to scratch on the surface of each sheet 4 Remove the two screws fixing the cover assembly bottom L NOTE Maximum value of torque is 1 5kg cm Board assembly Adhesive tape Sheets and light guide Double sided tape Adhesive tape Double sided tape Adhesive ta...

Page 362: ...ight guide adhesive tape and board assembly 1 Remove the protect sheet from the cover assembly bottom L 2 Secure the cover assembly bottom L with the two screws NOTE Maximum value of torque is 2 0kg cm 3 Install the light guide and sheets Secure the reflection sheet with double sided tape NOTE No penetration of foreign object is indispensable not to scratch on the surface of the sheets and light g...

Page 363: ... to apply excessive force to the PCB and TCP Board assembly Adhesive tape Sheets and light guide Double sided tape Adhesive tape Double sided tape Adhesive tape Adhesive tape Screw Cover assembly bottom L Screw Double sided tape Double sided tape Figure 4 125 Replacing 15 0 Inch LG Philips fluorescent lamp SXGA 5 ...

Page 364: ...gate PCB 1 Install the source PCB Be careful not to apply excessive force to the TCP 2 Install the gate PCB Be careful not to apply excessive force to the TCP Source PCB Gate PCB Figure 4 126 Replacing 15 0 Inch LG Philips fluorescent lamp SXGA 6 3 Install the top case Be careful not to apply excessive force to the gate TCP ...

Page 365: ...4 Replacement Procedures 4 26 Fluorescent lamp 4 134 Satellite A40 Maintenance Manual 960 458 Top case Figure 4 127 Replacing 15 0 Inch LG Philips fluorescent lamp SXGA 7 ...

Page 366: ... cover shield C Be careful not to apply excessive force to the control PCB CAUTION Wear anti static gloves to prevent circuit damage caused by ESC 3 Install the cover shield G Be careful not to apply excessive force to the gate TCP 4 Stick the adhesive tape to fix the B L wire Be careful not to apply excessive force to the B L wire Cover shield C Tape shield Adhesive tape Cover shield G Adhesive t...

Page 367: ...ule Disassembling the 15 0 inch SXGA Sharp Fluorescent lamp To disassemble the 15 0 inch SXGA Sharp fluorescent lamp follow the steps below and refer to Figures 4 129 to 4 138 1 Turn the LCD module face down and remove the protection cover S A protection cover G B fixing tape C and fixing tape for lead wire D NOTE 1 Be careful not to damage the TCP or chips 2 Discard the tapes removed Do not reuse...

Page 368: ...crew Screw Screw Figure 4 130 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 2 3 Turn the LCD module face up and remove the bezel E E Bezel 1 Release the bezel from the four latches of the lamp cover 2 Release the two latches on the P chassis 3 Release the hook of the bezel from the lamp cover Side view Hook Figure 4 131 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 3 ...

Page 369: ...en the bent portion of the TCP of the board and remove the backlight Screw Screw Screw Screw G FPC Screw loosening torque 0 9kg cm Open the cap of the connector and remove the FPC Figure 4 132 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 4 Do not hold the edge Do not hold the edge Raise the board and make this condition Figure 4 133 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 5 ...

Page 370: ...k not to soil or scratch the LCD panel or backlight unit H Backlight unit I LCD panel Figure 4 134 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 6 6 Turn the backlight unit H removed face down and remove two screws D and lamp cover J NOTE Be careful not to scratch or soil the sheets Screw loosening torque 1 1kg cm H Backlight unit J Lamp cover D Screw D Screw Figure 4 135 Replacing 15 0 Inch Sha...

Page 371: ...eful not to scratch or soil them Do not remove the reflection sheet under the light guide K Upper diffusion sheet M Light guide L Lens sheet Figure 4 136 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 8 8 Remove the four double sided tapes N O P Q NOTE Discard the removed tapes Do not reuse them P Double sided tape 3 Q Double sided tape 4 N Double sided tape 1 O Double sided tape 2 Figure 4 137 R...

Page 372: ... 960 458 4 141 9 Turn the backlight unit face down and remove the lamp unit R from the P chassis CAUTION When removing the lamp unit be careful not to break the lamp or bend the reflection sheet P chassis R Lamp unit Figure 4 138 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 10 ...

Page 373: ...rescent Lamp To assemble the 15 0 inch SXGA Sharp fluorescent lamp follow the steps below and refer to Figures 4 139 to 4 153 1 Stick four double sided tapes N O P Q on the P chassis P Q O Standard for edge of P chassis Do not make the P chassis over this line 0 to 1 mm N Figure 4 139 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 11 ...

Page 374: ...unit Figure 4 140 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 12 NOTE When install the lamp unit be careful not to bend or damage the reflection sheet Z Z Cross section drawing of Z Z Install the lead wire into this groove Install the reflection sheet as it is placed inside the reflector Install the lamp unit without floating Figure 4 141 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 13 ...

Page 375: ...4 Satellite A40 Maintenance Manual 960 458 3 Install the lamp cover J on the backlight unit and secure it with the two screws D J Lamp cover D Screw D Screw Screw tightening torque 0 9kg cm Figure 4 142 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 14 ...

Page 376: ...eflector M Light guide Backlight unit Figure 4 143 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 15 5 Place the lens sheet L and upper diffusion sheet K on the backlight unit with light guide M Make sure there is no dust or scratch Do not make any sheet over the edge of P chassis K Upper diffusion sheet M Light guide L Lens sheet Figure 4 144 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 16 ...

Page 377: ...ake sure there is no dust between the LCD panel and backlight unit If any dust is found remove it with crepe tape or others which has no remaining of paste H Backlight unit I LCD panel Guide rib Guide rib Guide rib Guide rib Make sure the LCD panel is installed in the guide rib surely Figure 4 145 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 17 ...

Page 378: ...end the TCP attaching to the source board and secure it with two screws Then bend the TCP attaching to the gate board with two screws and insert the FPC G into the connector of the source board Do not hold the edge Do not hold the edge Figure 4 146 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 18 ...

Page 379: ...and the hole Fold the gate board Screw tightening torque 0 9kg cm Fold the source board Check the condition after mating Check the condition of the concave portion of the FPC and the outline of the connector Insert the FPC to the end There shall be no out of position in θ Lock surely the connector Poor mating Failure Out of position in θ Failure Figure 4 147 Replacing 15 0 Inch Sharp fluorescent l...

Page 380: ...over without interference with the TCP 1 Hitch the hook of the bezel on the rib of the P chassis Side view Hook Lamp cover side Figure 4 148 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 20 Make sure of mating of the bezel and the rib of the P chassis Make sure of mating of the bezel and the latch of the P chassis Make sure of mating of the bezel and the latch of the P chassis Figure 4 149 Repla...

Page 381: ... 9 Secure the sides of the unit with the four screws Screw Screw Screw Screw Figure 4 150 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 22 10 Stick the protection cover G B B Protection cover G Outline standard for the gate board Figure 4 151 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 23 ...

Page 382: ...e outline of the module Make sure the tape does not appear on the side of the module Do not make the tape over the top of the module 0 to 1 mm The tape MUST NOT appear on the display Make sure the lead wire is closely attached to the bezel D A Fit the cover according to the outline of the screw Stick to the side of the bezel Stick the fixing tape at the center of the module C 0 to 0 5 mm Figure 4 ...

Page 383: ... Maintenance Manual 960 458 0 to 1 mm 0 to 1 mm Standard for the outline of screw left and right Standard for the outline of board Make sure the edge of plastic resin is between 0 5 Edge of plastic resin Figure 4 153 Replacing 15 0 Inch Sharp fluorescent lamp SXGA 25 ...

Page 384: ...Appendices ...

Page 385: ...Appendices App ii Satellite A40 Maintenance Manual 960 458 ...

Page 386: ...rd I F connector 68 pin C 6 C 5 PJ2130 SD card I F connector 12 pin C 7 C 6 PJ2200 Mini PCI I F connector 124 pin C 8 C 7 PJ3000 MDC I F connector 30 pin C 10 C 8 PJ3200 Keyboard I F connector 34 pin C 11 C 9 PJ3260 PAD I F connector 8 pin C 11 C 10 PJ3302 Sensor Switch Connector 2 pin C 12 C 11 PJ3510 Parallel I F Connector 25 pin C 12 C 12 PJ4100 Network I F connector 8 pin C 12 C 13 PJ4200 1394...

Page 387: ... I F connector 10 pin C 18 LE Board C 29 PJ9505 System Board I F connector 13 pin C 19 SD Board C 30 PJ9555 System Board I F connector 30 pin C 20 C 31 PJ6000 External microphone connector 5 pin C 21 C 32 PJ6003 Headphone connector 6 pin C 21 CD Board C 33 PJ9605 System Board I F connector 10 pin C 22 Appendix D Keyboard Scan Character Codes D 1 Appendix E Key Layout E 1 E 1 United Kingdom UK Keyb...

Page 388: ...Appendices Satellite A40 Maintenance Manual 960 458 App v Appendix I Reliability I 1 ...

Page 389: ...layout back B 3 Figure B 3 Sound board FLM1S layout B 5 Figure B 4 LE Board FLM1L layout B 6 Figure E 1 UK keyboard Fujitsu E 1 Figure E 2 UK keyboard ALPS E 1 Figure E 3 US keyboard Fujitsu E 2 Figure E 4 US keyboard ALPS E 2 Figure E 5 US keyboard NMB E 3 Figure F 1 Parallel port wraparound connector F 1 Figure F 2 LAN loopback connector F 1 ...

Page 390: ...CI I F connector 124 pin C 8 Table C 7 MDC I F connector 30 pin C 10 Table C 8 Keyboard I F connector 34 pin C 11 Table C 9 PAD I F connector 8 pin C 11 Table C 10 Sensor Switch Connector 2 pin C 12 Table C 11 Parallel I F Connector 25 pin C 12 Table C 12 Network I F connector 8 pin C 12 Table C 13 1394 I F connector 4 pin C 13 Table C 14 USB 0 1 I F connector 8 pin C 13 Table C 15 USB 2 3 I F con...

Page 391: ...9 System Board I F connector 13 pin C 19 Table C 30 System Board I F connector 30 pin C 20 Table C 31 External microphone connector 5 pin C 21 Table C 32 Headphone connector 6 pin C 21 Table C 33 System Board I F connector 10 pin C 22 Table D 1 Scan codes set 1 and set 2 D 1 Table D 2 Scan codes with left Shift key D 5 Table D 3 Scan codes in Numlock mode D 6 Table D 4 Scan codes with Fn key D 6 T...

Page 392: ...Appendices Satellite A40 Maintenance Manual 960 458 App ix ...

Page 393: ...dling the LCD module 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 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 perform...

Page 394: ...thing on the surface to 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 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 ...

Page 395: ... 3 5 Glass 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 396: ...tenance Manual 960 458 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 397: ... 960 458 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 398: ...Appendices Appendix A Handling the LCD Module A 6 Satellite A40 Maintenance Manual 960 458 ...

Page 399: ...B Board Layout Appendices Satellite A40 Maintenance Manual 960 458 B 1 Appendix B Board Layout B 1 System Board FLM1M Front View A B C F G H I J D E K L M N O P Q R T S Figure B 1 System board FLM1M layout front ...

Page 400: ...t E PJ6002 Speaker connector left F PJ8450 Fan connector 1 G PJ9500 LE board I F connector H PJ8490 RTC battery connector I PJ9550 SD board I F connector J PJ3203 Debugging connector K PJ3302 Sensor switch connector L PJ9600 CD board I F connector M PJ5600 LCD I F connector N PJ2130 SC card I F connector 0 IC3200 EC KBC P PJ2200 Wireless LAN I F connector Q PJ3260 Touch pad I F connector R PJ8425 ...

Page 401: ...Appendix B Board Layout Appendices Satellite A40 Maintenance Manual 960 458 B 3 B 2 System Board FLM1M Back View A B C D E F G H I J K L M N O Figure B 2 System board FLM1M layout back ...

Page 402: ...ctor B PJ4601 USB port 2 3 connector C Reserved Reserved D PJ4200 IEEE1394 I F connector E PJ3510 Parallel port I F connector F PJ5620 CRT connector G PJ4600 USB port 0 1 connector H PJ1801 HDD I F connector I PJ1800 CD ROM I F connect J PJ8810 Main Battery connector K PJ2110 PC card I F connect L IS1050 CPU socket M IC1200 Montara GT N IC2000 YEBISUSS O IC4200 1394 PHY LINK ...

Page 403: ...458 B 5 B 3 Sound Board FLM1S View A Front B C D Back Figure B 3 Sound board FLM1S layout Table B 3 Sound board FLM1S ICs and connectors Mark Number Name A PJ9555 System board I F connector B VR6000 Volume C PJ6003 Headphone connector D PJ6000 External microphone connector ...

Page 404: ...rd Layout B 6 Satellite A40 Maintenance Manual 960 458 B 4 LE Board FLM1L Front View Front A Back Figure B 4 LE Board FLM1L layout Table B 4 LE Board FLM1L ICs and connectors Mark Number Name A PJ9505 System board I F connector ...

Page 405: ...2 SDM00 B2P I 13 SDQ06 B2P I O 14 SDQ02 B2P I O 15 GND 16 GND 17 SDQ07 2P I O 18 SDQ03 2P I O 19 SDQ09 B2P I O 20 SDQ13 B2P I O 21 2R5 B2V 22 2R5 B2V 23 SDQ08 B2P I O 24 SDQ12 B2P I O 25 SDQ51 B2P I O 26 SDM01 B2P I 27 GND 28 GND 29 SDQ14 B2P I O 30 SDQ10 B2P I O 31 SDQ11 B2P I O 32 SDQ15 B2P I O 33 2R5 B2V 34 2R5 B2V 35 SCK0 B2P I 36 2R5 B2V 37 SCK0 B2N I 38 GND 39 GND 40 GND 41 SDQ20 B2P I O 42 ...

Page 406: ...O 74 SCB1A B2P I O 75 GND 76 GND 77 SDQS8A B2P I O 78 GND 79 SCB2A B2P I O 80 SCB3A B2P I O 81 2R5 B2V 82 2R5 B2V 83 SCB6A B2P I O 84 SCB7A B2P I O 85 N C 86 N C 87 GND 88 GND 89 2R5 B2V 90 GND 91 GND 92 2R5 B2V 93 2R5 B2V 94 2R5 B2V 95 SCKE1 B2P I 96 SCKEO B2P I 97 N C 98 N C 99 SMA12 B2P I 100 SMA11 B2P I 101 SMA09 B2P I 102 SMA08 B2P I 103 GND 104 GND 105 SMA07 B2P I 106 SMA06 B2P I 107 SMA05 B...

Page 407: ...SDQS5 B2P I O 148 SDM05 B2P I 149 GND 150 GND 151 SDQ43 B2P I O 152 SDQ47 B2P I O 153 SDQ40 B2P I O 154 SDQ42 B2P I O 155 2R5 B2V 156 2R5 B2V 157 2R5 B2V 158 SCK1 B2N I 159 GND 160 SCK1 B2P I 161 GND 162 GND 163 SDQ53 B2P I O 164 SDQ52 B2P I O 165 SDQ48 B2P I O 166 SDQ53 B2P I O 167 2R5 B2V 168 2R5 B2V 169 SDQ56 B2P I O 170 SDM06 B2P I 171 SDQ50 B2P I O 172 SDQ51 B2P I O 173 GND 174 GND 175 SDQ55 ...

Page 408: ...e I O 1 IDRSTA P5N I 2 GND 3 PDD07 P3P I 4 PDD08 P3P O 5 PDD06 P3P I 6 PDD09 P3P O 7 PDD05 P3P I 8 PDD10 P3P O 9 PDD04 P3P I 10 PDD11 P3P O 11 PDD03 P3P I 12 PDD12 P3P O 13 PDD02 P3P I 14 PDD13 P3P O 15 PDD01 P3P I 16 PDD14 P3P O 17 PDD00 P3P I 18 PDD15 P3P O 19 GND 20 N C 21 PDDREQ P3P I 22 GND 23 PDIOW P3N I 24 GND 25 PDIOR P3N I 26 GND 27 PIORDY P3P I 28 GND 29 PDDACK P3N I 30 GND 31 PDIRQ P3P ...

Page 409: ...6 P3P I O 10 SDD10 P3P I O 11 SDD05 P3P I O 12 SDD11 P3P I O 13 SDD04 P3P I O 14 SDD12 P3P I O 15 SDD03 P3P I O 16 SDD13 P3P I O 17 SDD02 P3P I O 18 SDD14 P3P I O 19 SDD01 E5P I O 20 SDD15 P3P I O 21 SDD00 P3P I O 22 SDDREQ P3P I 23 GND 24 SDIOR P3N O 25 SDIOW P3N O 26 GND 27 SIORDY P3P I 28 SDDACK P3N O 29 IRQ15 P3P I 30 N C 31 SDA1 P3P O 32 N C O 33 SDA0 E3P O 34 SDA2 E3P O 35 SDCS1 P3P O 36 SDC...

Page 410: ...8 MCVPPA I O 19 ACCLK EYP I O 20 ACTBDY EYN I O 21 ACCBE2 EYN I O 22 ACAD18 EYP I O 23 ACAD20 EYP I O 24 ACAD21 EYP I O 25 ACAD22 EYP I O 26 ACAD23 EYP I O 27 ACAD24 EYP I O 28 ACAD25 EYP I O 29 ACAD25 EYP I O 30 ACAD27 EYP I O 31 ACAD29 EYP I O 32 ACD02 EYP I O 33 ACCLKR EYN I O 34 GND 35 GND 36 ACCD1 E3N I O 37 ACAD02 EYP I O 38 ACAD04 EYP I O 39 ACAD06 EYP I O 40 ACD14 EYP I O 41 ACAD08 EYP I O...

Page 411: ...I O 61 ACCBE3 EYN I O 62 ACAUDI EYP I 63 ACSTSC EYP I 64 ACAD28 EYP I O 65 ACAD30 EYP I O 66 ACAD31 EYP I O 67 ACCD2 E3N I 68 GND C 5 PJ2130 SD card I F connector 12 pin Table C 5 SD card I F connector 12 pin Pin No Signal name I O Pin No Signal name I O 1 SDAT3 E3P I O 2 SDCMD E3P I O 3 GND 4 SD E3V 5 SDCLK E3P O 6 GND 7 SDAT0 E3P I O 8 SDAT1 E3P I O 9 SDAT2 E3P I O 10 SDCD E3N I 11 SDWP E3P I 12...

Page 412: ... P5V 19 P3V 20 PIRQG P3N I O 21 N C 22 N C 23 GND 24 E3V 25 X33MPC P3P O 26 PCIRS1 S3N O 27 GND 28 P3V 29 PREQ2 P3N I 30 PGNT2 P3N O 31 P3V 32 GND 33 AD31 P3P I O 34 PME S3N I O 35 AD29 P3P I O 36 N C 37 GND 38 AD30 P3P I O 39 AD27 P3P I O 40 P3V 41 AD25 P3P I O 42 AD28 P3P I O 43 N C 44 AD26 P3P I O 45 CBE3 P3N I O 46 AD24 P3P I O 47 AD23 P3P I O 48 AD26 P3P I O 49 GND 50 GND 51 AD21 P3P I O 52 A...

Page 413: ...ND 75 AD14 P3P I O 76 AD15 P3P I O 77 GND 78 AD13 P3P I O 79 AD12 P3P I O 80 AD11 P3P I O 81 AD10 P3P I O 82 GND 83 GND 84 AD09 P3P I O 85 AD08 P3P I O 86 CBE0 P3N I O 87 AD07 P3P I O 88 P3V 89 P3V 90 AD06 P3P I O 91 AD05 P3P I O 92 AD04 P3P I O 93 N C 94 AD02 P3P I O 95 AD03 P3P I O 96 AD00 P3P I O 97 P5V 98 N C 99 AD01 P3P I O 100 N C 101 GND 102 GND 103 N C 104 GND 105 N C 106 N C 107 N C 108 N...

Page 414: ... C 7 MDC I F connector 30 pin Pin No Signal name I O Pin No Signal name I O 1 N C 2 GND 3 GND 4 N C 5 N C 6 N C 7 N C 8 GND 9 N C 10 N C 11 N C 12 N C 13 N C 14 N C 15 GND 16 E3V I 17 E3V 18 N C 19 GND 20 GND 21 N C 22 M97SY2 P3P I 23 M97OT2 P3P I 24 N C 25 M97RS2 S3N I 26 M97IN2 E3P O 27 GND 28 GND 29 GND 30 X97BC2 P3P I O ...

Page 415: ...N O 10 KBSC05 S3N O 11 KBSC06 S3N O 12 KBRT00 S3N I 13 KBSC07 S3N O 14 KBSC08 S3N O 15 KBSC09 S3N O 16 KBRT01 S3N I 17 KBRT02 S3N I 18 KBRT03 S3N I 19 KBSC10 S3N O 20 KBSC11 S3N O 21 KBRT04 S3N I 22 KBRT05 S3N I 23 KBSC12 S3N O 24 KBSC13 S3N O 25 KBRT06 S3N I 26 KBRT07 S3N I 27 KBSC14 S3N O 28 KBSC15 S3N O 29 P5V 30 N C 31 N C 32 N C 33 N C 34 P5V C 9 PJ3260 PAD I F connector 8 pin Table C 9 PAD I...

Page 416: ...e I O Pin No Signal name I O 1 STROB P5N I 2 PDB00 P5P I O 3 PDB01 P5P I O 4 PDB02 P5P I O 5 PDB03 P5P I O 6 PDB04 P5P I O 7 PDB05 P5P I O 8 PDB06 P5P I O 9 PDB07 P5P I O 10 ACK P5N I 11 BUSY P5P I 12 PE P5P I 13 SELCT P5P I 14 AUTFD P5N O 15 ERROR P5N I 16 PINIT P5N O 17 SLIN P5N O 18 GND 19 GND 20 GND 21 GND 22 GND 23 GND 24 GND 25 GND C 12 PJ4100 Network I F connector 8 pin Table C 12 1 Network...

Page 417: ...4600 USB 0 1 I F connector 8 pin Table C 14 USB 0 1 I F connector 8 pin Pin No Signal name I O Pin No Signal name I O A1 USBPOV E5V O A2 USBP2 S3N I O A3 USBP2 S3P I O A4 GND B1 USBPOV E5V O B2 USBP3 S3N I O B3 USBP3 S3N I O B4 GND C 15 PJ4601 USB 2 3 I F connector 8 pin Table C 15 USB 2 3 I F connector 8 pin Pin No Signal name I O Pin No Signal name I O A1 USBPOV E5V O A2 USBP0 S3N I O A3 USBP0 S...

Page 418: ... O 5 TXDTA1 PYN O 6 BRT2 P5P O 7 TXDTA0 PYP O 8 FL P5V 9 TXDTA0 PYN O 10 FL P5V 11 TXCLKA PYP O 12 FL P5V 13 TXCLKA PYN O 14 BRT2DA S3P O 15 TXDAT2 PYP O 16 GND 17 TXDTA2 PYN O 18 GND 19 GND 20 GND 21 TXDTBO PYP O 22 GND 23 TXDTB0 PYP O 24 GND 25 TXDTB2 PYP O 26 GND 27 TXDTB2 PYN O 28 PNL0 P3P I 29 TXCLKB PYP O 30 PNL1 P3P I 31 TXCLKB PYN O 32 PNL2 P3P I 33 TXDTB1 PYP O 34 GND 35 TXDTB1 PYN O 36 G...

Page 419: ...XP 3 BLUE PXP 4 N C 5 GND 6 GND 7 GND 8 GND 9 DDC P5V 10 GND 11 N C 12 DDCDA O 13 HSYNC O 14 VSYNC O 15 DDCACK O C 18 PJ5640 TV connector 4 PIN Table C 18 TV connector 4 pin Pin No Signal name I O Pin No Signal name I O 1 CHROMA PYP O 2 LUMINA PYP O 3 GND 4 GND C 19 PJ6001 Speaker Connector Left 3 pin Table C 19 Speaker Connector Left 3 pin Pin No Signal name I O Pin No Signal name I O 1 SPOTL PXP...

Page 420: ...Table C 21 DC IN connector 4 pin Pin No Signal name I O Pin No Signal name I O 1 ADPDC O 2 ADPDC O 3 GND 4 GND C 22 PJ8810 1st Battery connector 10 pin Table C 22 1st Battery connector 10 pin Pin No Signal name I O Pin No Signal name I O 1 PVBL1 2 BTMP1 O 3 DCHG 4 M5V 5 PSCL S5P I O 6 PSDA S5P I O 7 GND 8 DBT10V S5N O 9 GND 10 GND C 23 PJ8490 RTC Battery Connector 3 pin Table C 23 RTC Battery conn...

Page 421: ... C 25 PJ8425 FAN2 connector 3 pin Table C 25 FAN 2 connector 3 pin Pin No Signal name I O Pin No Signal name I O 1 FAN VCC 2 GND 3 FANG1 P3P I C 26 PJ9500 LE Board I F connector 13 pin Table C 26 LE Board I F connector 13 pin Pin No Signal name I O Pin No Signal name I O 1 GND 2 CDRLED P5N O 3 HDDLED P5N O 4 P5V 5 BAT1GR S5N O 6 BAT1OR S5N O 7 M5V 8 PWLEGR S3N O 9 PWLEOR S3N O 10 GND 11 DCINGR S5N...

Page 422: ...ND 11 FIR GND 12 GND 13 BTLED S3N O 14 S3V 15 BTSWON S3P I 16 GND 17 VROUTR PXP I O 18 VROUTL PXP I O 19 MMREFV P2V I O 20 LOUTL PXP I O 21 LOUTR PXP I O 22 A GND 23 MICIN PXP I O 24 A GND 25 A GND 26 SPKEN P5P I 27 HEDL PXP I O 28 HEADR PXP I O 29 A4R7 P4V 30 A4R7 P4V C 28 PJ9600 CD Board I F connector 10 pin Table C 28 CD Board I F connector 10 pin Pin No Signal name I O Pin No Signal name I O 1...

Page 423: ...d C 29 PJ9505 System Board I F connector 13 pin Table C 29 System Board I F connector 13 pin Pin No Signal name I O Pin No Signal name I O 1 GND 2 CDRLED P5N I 3 HDDLED P5N I 4 P5V 5 BAT1GR S5N I 6 BAT1OR S5N I 7 M5V 8 PWLEGR S3N I 9 PWLEOR S3N I 10 GND 11 DCINGR S5N I 12 DCINOR S5N I 13 M5V ...

Page 424: ...al name I O Pin No Signal name I O 1 GND 2 P3V 3 P3V 4 P3V 5 P3V 6 IRMODE P3P I O 7 IRTX P3P I 8 IRRX P3N O 9 FIR GND 10 FIR GND 11 FIR GND 12 GND 13 BTLED S3N I 14 S3V 15 BTSWON S3P O 16 GND 17 VROUTR PXP I O 18 VROUTL PXP I O 19 MMREFV P2V I O 20 LOUTL PXP I O 21 LOUTR PXP I O 22 A GND 23 MICIN PXP I O 24 A GND 25 A GND 26 SPKEN P5P O 27 HEDL PXP I O 28 HEADR PXP I O 29 A4R7 P4V 30 A4R7 P4V ...

Page 425: ...5 pin Table C 31 External microphone connector 5 pin Pin No Signal name I O Pin No Signal name I O 1 GND 2 MICIN PXP I 3 MMREFV P2V O 4 GND 5 GND C 32 PJ6003 Headphone connector 6 pin Table C 32 Headphone connector 6 pin Pin No Signal name I O Pin No Signal name I O 1 GND 2 HEADL PXP O 3 HEADR PXP O 4 GND 5 SPKEN P5P I 6 N C ...

Page 426: ...e Manual 960 458 CD Board C 33 PJ9605 System Board I F connector 10 pin Table C 33 System Board I F connector 10 pin Pin No Signal name I O Pin No Signal name I O 1 GND 2 N C 3 CDBDET S3N I 4 N C 5 CDNEXT S3N O 6 CDPREV S3N O 7 CDSTOP S3N O 8 CDPLAY S3N O 9 GND 10 BND ...

Page 427: ... 1E F0 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 12 _ 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...

Page 428: ...3 D 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 45 No 102 key 56 D6 61 F0 61 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...

Page 429: ...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 75 1 84 E0 50 E0 D0 E0 72 E0 F0 72 1 85 PgUp E0 49 E0 C9 E0 7D E0 F0 7D 1 86 PgDn E0 51 E0 D1 E0 7A E0 F0 7A 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...

Page 430: ...8 07 F0 07 3 124 PrintSc 6 6 6 6 6 126 Pause 7 7 7 7 7 202 Fn 4 203 Win E0 5B E0 DB E0 1F E0 F0 1F 204 App E0 5D E0 DD E0 2F E0 F0 2F Notes 1 Scan codes differ by mode 2 Scan codes differ by overlay function 3 Combined 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 124 key scan code 7 ...

Page 431: ... F0 12 E0 69 E0 F0 69 E0 12 83 E0 AA E0 48 E0 C8 E0 2A E0 F0 12 E0 75 E0 F0 75 E0 12 84 E0 AA E0 50 E0 D0 E0 2A E0 F0 12 E0 72 E0 F0 72 E0 12 85 PgUp E0 AA E0 49 E0 C9 E0 2A E0 F0 12 E0 7D E0 F0 7D E0 12 86 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 12 203 Win E0 AA E0 5B E0 DB E0 2A E0 F0 12 E0 1F E0 F0 1F E0 12 204 App E0 AA E...

Page 432: ... 12 83 E0 2A E0 48 E0 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 85 PgUp E0 2A E0 49 E0 C9 E0 AA E0 12 E0 7D E0 F0 7D E0 F0 12 86 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 12 203 Win E0 2A E0 5B E0 DB E0 AA E0 12 E0 1F E0 F0 1F E0 F0 12 204 App E0 2A E0 5D E0 DD E0 AA E0 12 E...

Page 433: ...B 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 54 53 D3 71 F0 71 55 E0 35 E0 B5 40 4A E0 F0 4A Table D 6 No 124 key scan code Code set 1 Code set 2 Key top Shift Make Break Make Break Prt Sc Common E0 2A E0 37 E0 B7 E0 AA E0 12 E0 7C E0 F0 7C E0 F0 12 Ctrl E0 37 E0 ...

Page 434: ...odes D 8 Satellite A40 Maintenance Manual 960 458 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 435: ...ut Appendices Satellite A40 Maintenance Manual 960 458 E 1 Appendix E Appendix E Key Layout E 1 United Kingdom UK Keyboard Figure E 1 UK keyboard made by Fujitsu G83C0001K110 Figure E 2 UK keyboard made by ALPS UE2024P136 ...

Page 436: ...pendices Appendix E Key Layout E 2 Satellite A40 Maintenance Manual 960 458 E 2 United States US Keyboard Figure E 3 US keyboard made by Fujitsu G83C0001K210 Figure E 4 US keyboard made by ALPS UE2024P137 ...

Page 437: ...Appendix E Key Layout Appendices Satellite A40 Maintenance Manual 960 458 E 3 Figure E 5 US keyboard made by NMB G83C0000E510 ...

Page 438: ...Appendices Appendix E Key Layout E 4 Satellite A40 Maintenance Manual 960 458 ...

Page 439: ...nce Manual 960 458 F 1 Appendix F Appendix F Wiring Diagrams F 1 Parallel Port Wraparound Connector SELECT PINT Figure F 1 Parallel port wraparound connector F 2 LAN Loopback Connector 1 BIBAP TX 2 BIDAN TX 3 BIDBP RX 6 BIDBN RX Figure F 2 LAN loopback Connector ...

Page 440: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A40 Maintenance Manual 960 458 ...

Page 441: ...mputer that has renewed BIOS data Rewriting the BIOS 1 Set the system to boot mode 2 Turn off the power to the computer 3 Remove the external cable and PC card 4 Connect an USB FDD and insert the BIOS EC KBC rewriting disk into the USB FDD 5 Turn on the power while holding down the No 01 key For example US Keyboard UK Keyboard Keep holding down the key until a message appears on the screen The BIO...

Page 442: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A40 Maintenance Manual 960 458 ...

Page 443: ...en when you next turn on the power a message may be displayed that the contents of the EC KBC have been erased In this case insert the BIOS EC KBC rewriting disk and the EC KBC will be rewritten 5 Normally it takes about 30 seconds to rewrite the EC KBC It may take 3 minutes maximum depending on the conditions of the computer or ICs The computer is not hung up Allow sufficient time Never reboot or...

Page 444: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A40 Maintenance Manual 960 458 ...

Page 445: ...ix I Reliability Appendices Satellite A40 Maintenance Manual 960 458 I 1 Appendix I Appendix I Reliability The following table shows MTBF Mean Time Between Failures Table I 1 MTBF MTBF Time hours System 5 109 ...

Page 446: ...Appendices Appendix I Reliability I 2 Satellite A40 Maintenance Manual 960 458 ...

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