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Toshiba Tecra A2 Series, Maintenance Manual

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  Satellite A 50/TECRA A2 Maintenance Manual (960 -478) 

Table of Contents 

Chapter 1 

 

Hardware Overview 

1.1  

Features ...................................................................................................................... 1-1 

1.2  

System Block Diagram .............................................................................................. 1-6 

1.3 

3.5-inch USB Floppy Disk Drive ............................................................................. 1-10 

1.4  

2.5-inch Hard Disk Dr ive......................................................................................... 1-11 

1.5 

CD-ROM Drive........................................................................................................ 1-16 

1.6  

DVD-ROM Drive .................................................................................................... 1-17 

1.7  

DVD-ROM & CD-R/RW Drive .............................................................................. 1-18 

1.8  

DVD-R/-RW Drive .................................................................................................. 1-20 

1.9  

DVD Super Multi Drive........................................................................................... 1-21 

1.10   Keyboard .................................................................................................................. 1-23 

1.11 

TFT Color Display................................................................................................... 1-24 

1.12 

Power Supply ........................................................................................................... 1-28 

1.13 

Batteries ................................................................................................................... 1-30 

1.14 

AC Adapter .............................................................................................................. 1-34 

Chacxpter 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................................................................................ 2-17 

2.5  

3.5” FDD Troubleshooting ...................................................................................... 2-31 

2.6  

2.5” HDD Troubleshooting ...................................................................................... 2-34 

2.7  

Keyboard Troubleshooting ...................................................................................... 2-39 

2.8  

Display Troubleshooting.......................................................................................... 2-40 

2.9  

Touch  Pad Troubleshooting ..................................................................................... 2-42 

2.10   Optical Drive Troubleshooting ................................................................................ 2-43 

2.11   Modem Troubleshooting.......................................................................................... 2-44 

Summary of Contents for Tecra A2 Series

Page 1: ...1 Toshiba Personal Computer Satellite A50 TECRA A2 Series Maintenance Manual TOSHIBA CORPORATION File Number 960 478 ...

Page 2: ...d descriptions are accurate for the Satellite A 50 TECRA A2 series at the time of this manual s production However succeeding computers and manuals are subject to change without notice Therefore Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between any succeeding product and this manual Trademarks Intel Intel SpeedStep Pentium and C...

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

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

Page 5: ...ars 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 Te...

Page 6: ...lti Drive 1 21 1 10 Keyboard 1 23 1 11 TFT Color Display 1 24 1 12 Power Supply 1 28 1 13 Batteries 1 30 1 14 AC Adapter 1 34 Chacxpter 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 17 2 5 3 5 FDD Troubleshooting 2 31 2 6 2 5 HDD Troubleshooting 2 34 2 7 Keyboard Troubleshooting 2 39 2 ...

Page 7: ... 17 3 8 Display Test 3 20 3 9 Floppy Disk Test 3 23 3 10 Printer Test 3 25 3 11 ASYNC Test 3 27 3 12 Hard Disk Test 3 29 3 13 Real Timer Test 3 32 3 14 NDP Test 3 34 3 15 Expansion Test 3 35 3 16 CD ROM DVD ROM Test 3 37 3 17 Sound LAN Modem TV Test 3 38 3 18 IEEE1394 Test 3 42 3 19 Wireless LAN Test Atheros 3 43 3 20 Wireless LAN Test Calexico 3 47 3 21 Thermal Raditaion Control Test 3 50 3 22 Er...

Page 8: ...0 Optical Drive 4 31 4 11 Display Assembly 4 33 4 12 Sound Board 4 37 4 13 Connector Board 4 38 4 14 FAN 4 40 4 15 System Board DC IN Jack RTC Battery 4 41 4 16 Battery Latch 4 44 4 17 Battery Lock 4 46 4 18 Touch Pad 4 48 4 19 LCD Unit FL Inverter 4 50 4 20 Latch Assembly 4 56 4 21 Wireless LAN Antenna Speaker Hinge 4 57 4 22 Fluorescent Lamp 4 66 Appendices Appendix A Handling the LCD Module A 1...

Page 9: ...Satellite A50 TECRA A2 Maintenance Manual 960 478 ix Appendix F Wiring Diagrams F 1 Appendix G BIOS KBC EC Update G 1 Appendix H Reliability H 1 ...

Page 10: ...x Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 11: ...Chapter 1 Hardware Overview ...

Page 12: ...1 Hardware Overview 1 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 1 Hardware Overview ...

Page 13: ...d Disk Drive 1 11 1 5 CD ROM Drive 1 16 1 6 DVD ROM Drive 1 17 1 7 DVD ROM CD R RW Drive 1 18 1 8 DVD R RW Drive 1 20 1 9 DVD Super Multi Drive 1 21 1 10 Keyboard 1 23 1 11 TFT Color Display 1 24 1 11 1 LCD Module 1 24 1 11 2 FL Inverter Board 1 27 1 12 Power Supply 1 28 1 13 Batteries 1 30 1 13 1 Main Battery 1 30 1 13 2 Battery Charging Control 1 31 1 13 3 RTC Battery 1 33 1 14 AC Adapter 1 34 ...

Page 14: ...SB FDD specifications 1 10 Table 1 2 2 5 inch HDD dimensions 1 11 Table 1 3 2 5 inch HDD specification 1 13 Table 1 4 CD ROM Drive specifications 1 16 Table 1 5 DVD ROM Drive dimensions 1 17 Table 1 6 DVD ROM CD R RW Drive specifications 1 18 Table 1 7 DVD R RW Drive specifications 1 20 Table 1 8 DVD Super Multi Drive speciifcations 1 21 Table 1 9 LCD module specifications 1 25 Table 1 10 FL inver...

Page 15: ...Celeron M processor with a 1 20 1 30 1 40GHz internal clock 400MHz bus and 1 356V core operation q Cache memory Mobile Intel Pentium M model 64KB L1 cache in CPU and 1024KB L2 cache Mobile Intel Celeron M model 64KB L1 cache in CPU and 512KB L2 cache q Memory Two SO DIMM slots for DDR333 or DDR266 Memory modules can be installed to provide a maximum of 1GB or 2GB It depend on a model Memory module...

Page 16: ...orted The keyboard also supports touchpad as a pointing device q Optical devices A CD ROM DVD ROM DVD ROM CD R RW DVD R RW or DVD Super Multi Drive is supported q Battery The RTC battery is mounted inside the computer The main battery is a detachable lithium ion battery 2 200mAh Li Ion 3 cell 4 400mAh Li Ion 6cell 8 800mAh Li Ion 12cell q USB Universal Serial Bus Two or three USB ports are provide...

Page 17: ...s for LAN and Modem are separately mounted q RGB The port enables connection of an external monitor q IEEE1394 The computer comes with one IEEE1394 port It enables high speed transfer directly from external devices such as digital video cameras q Docking interface port RJ 45 LAN jack RJ 11 Modem jack External monitor port PS 2 mouse and PS 2 keyboard ports Parallel port Serial port DC IN socket Au...

Page 18: ...1 Hardware Overview 1 1 Features 1 4 Satellite A50 TECRA A2 Maintenance Manual 960 478 Figure 1 1 shows the front of the computer Figure 1 1 Front of the computer ...

Page 19: ...1 1 Features 1 Hardware Overview Satellite A50 TECRA A2 Maintenance Manual 960 478 1 5 Figure 1 2 shows the system units configuration Figure 1 2 System units configuration ...

Page 20: ...1 Hardware Overview 1 2 System Block Diagram 1 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 1 2 System Block Diagram Figure 1 3 shows the system block diagram Figure 1 3 System Block Diagram ...

Page 21: ...NDP L1 cache memory 64KB L2 cache memory 1024KB Intel Mobile Celeron M model 1 20 1 30 1 40GHz Internal clock 1 20 1 30 1 40GHz Bus 400MHz Core voltage 1 356V Built in NDP L1 cache memory 64KB L2 cache memory 256KB q Memory Two memory slots capable of accepting 256MB 512MB or 1024MB memory modules for a maximum of 1GB or 2GB 200 pin DDR SDRAM PC2100 PC2700 Pipeline configuration 2 5V operation Sup...

Page 22: ...B interface SM Bus interface Interrupt controller Power management Firmware Hub interface Low Pin count LPC interface Real time clock AC 97 interface Audio controller Hub interface q PC card controller YEBISUSS PCI interface PCI Revision 2 2 Deeper Sleep control interface Chipset interface Intel serial interrupt Card Bus PC card controller Yenta Version 2 2 1 slot Parallel power control Toshiba st...

Page 23: ...TG x1 q Mini PCI 802 11b made by Intel 802 11a g made by Askey or Intel 802 11g made by Intel x 1 2 4 GHz DSSS wireless LAN card is equipped in the mini PCI card slot Conformity with IEEE 802 11b WiFi Transfer speed is maximum of 11Mbit sec Supports 128bit WEP q LAN Intel made Kinnereth ED82562 x 1 Controls LAN Supports 100Base TX and 10Base T q MODEM Askey made 1456VQL4A INT x 1 Supported by MDC ...

Page 24: ...nd high reliability FDD can be used with 720KB and 1 44MB floppy disks Figure 1 4 shows the 3 5 inch FDD Table 1 1 lists the specifications Figure 1 4 3 5 inch USB FDD Table 1 1 3 5 inch USB FDD specifications Item Specifications Disk used 2DD 2HD Unformatted capacity 1 0MB 2 0MB Formatted capacity 720KB 1 44MB Data transfer speed Kb s 250 500 Rotation speed rpm 300 300 ...

Page 25: ...eads Figure 1 5 shows a view of the 2 5 inch HDD and Tables 1 2 and 1 3 list the dimensions and specifications Figure 1 5 2 5 inch HDD Table 1 2 2 5 inch HDD dimensions 1 5 Standard Item TOSHIBA HDD2187B HDD2188B HDD2189B HDD2190B HDD2191B HDD2193B HDD2194B Width mm 69 85 Height mm 9 5 Depth mm 100 0 Weight g MAX 95 Table 1 2 2 5 inch HDD dimensions 2 5 Standard FUJITSU Item G8BC0001C410 G8BC0001C...

Page 26: ...0Z311 G8BC0000Z411 G8BC0000Z611 Width mm 69 85 Height mm 9 5 Depth mm 100 0 Weight g 99 95 99 Table 1 2 2 5 inch HDD dimensions 4 5 Standard HITACHI Item G8BC00014410 G8BC00014610 G8BC00014810 Width mm 69 85 Height mm 9 5 Depth mm 100 0 Weight g 95 102 max Table 1 2 2 5 inch HDD dimensions 5 5 Standard SEAGATE Item G8BC0001F410 Width mm 69 85 Height mm 9 5 Depth mm 100 2 Weight g 99 ...

Page 27: ...175 0 341 7 233 0 446 0 Interface transfer rate MB s 100 Storage density Kbpi 543 735 728 735 728 Track density Ktpi 72 88 1 78 9 88 8 88 1 88 8 Average random seek time read ms 12 Average random seek time write ms 12 Motor startup time ms 4 Table 1 3 2 5 inch HDD Specifications 2 5 Specifications Item FUJITSU G8BC0001C410 G8BC0001C610 Storage size formatted 40GB 60GB Rotation speed RPM 4 200 Data...

Page 28: ...r rate MB s 100 Storage density Kbpi 712 Track density Ktpi 63 Average random seek time read ms 14 Average random seek time write ms 12 Motor startup time ms 5 0 Table 1 3 2 5 inch HDD Specifications 4 5 Specifications HITACHI Item G8BC00014410 G8BC00014610 G8BC00014810 Storage size formatted 40GB 60GB 80GB Rotation speed RPM 5 400 Data transfer rate MB s 450 max Interface transfer rate MB s 100 S...

Page 29: ...DD Specifications 5 5 Specifications SEAGATE Item G8BC0001F410 Storage size formatted 40GB Rotation speed RPM 4 200 Data transfer rate MB s 386 Interface transfer rate MB s 100 Storage density Kbpi 642 Track density Ktpi 100 7 Average random seek time read ms 12 Average random seek time write ms 14 Motor startup time ms 3 9 ...

Page 30: ...in Figure 1 6 The specifications of the CD ROM drive are described in Table 1 4 Figure 1 6 CD ROM drive Table 1 4 CD ROM drive specifications Item Specifications TEAC G8CC00005810 Data transfer rate MB s 16 7 PIO Mode 0 to 4 16 7 Multiple word DMA Mode 0 to 2 33 3 Ultra DMA Average random access time 110 ms Average full stroke access time 240 ms Data buffer capacity 128 MB Supported formats CD DA ...

Page 31: ...OM drive Table 1 5 DVD ROM drive dimensions 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 32: ...VD ROM CD R RW drive Table 1 6 DVD ROM CD R RW drive specifications 1 3 Specifications Item Toshiba SDR2512OAF 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 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 ...

Page 33: ... 2 CD ROM XA Mode 2 Form 1 Form 2 Photo CD single multi session Enhanced CD CD TEXT Supported formats DVD DVD ROM DVD Video DVD R General Authoring DVD RAM 4 7GB 2 6GB Table 1 6 DVD ROM CD R RW drive specifications 3 3 Specifications Item Panasonic G8CC0001C210 For read CD ROM MAX 24 x CAV MAX 3 600KB s Transfer rate For read DVD ROM MAX 8 x CAV MAX 10 800KB s CD ROM 90 Average access time ms DVD ...

Page 34: ...le 1 7 Figure 1 9 DVD R RW drive Table 1 7 DVD R RW drive specifications Specifications Toshiba G8CC0000ZH10 SDR61120AF Item DVD ROM CD ROM DVD RAM Burst data transfer rate MB s 33 3 Ultra DMA 16 7 PIO mode 4 16 7 Multi word DMA Mode 2 Average random access time ms 105 95 170 Average random seek time ms 95 90 120 Average full stroke access time ms 180 170 350 Data buffer capacity 2MB DVD read DVD ...

Page 35: ...er Multi drive is shown in Figure 1 10 The specifications of the DVD Super Multi drive are described in Table 1 8 Figure 1 10 DVD Super Multi drive Table 1 8 DVD Super Multi drive specifications 1 2 Specifications Panasonic G8CC0001S210 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 180 150 ...

Page 36: ...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 180 150 Data buffer capacity 2MB DVD DVD VIDEO DVD ROM DVD R 3 9GB 4 7GB DVD RW Ver 1 1 DVD RAM 2 6GB 4 7GB 9 4GB DVD R DVD RW Supported formats CD CD DA CD ROM CD R W CD R CD ROM XA except ADPCM Photo CD Video CD CD EXTRA CD CD TEXT ...

Page 37: ...board An85 US 86 UK key 101 emulatio n keyboard is mounted on the system unit The keyboard is connected to membrane connector on the system board and controlled by the keyboard controller Figure 1 11 shows a view of the keyboard See Appendix E for details of the keyboard layout Figure 1 11 Keyboard ...

Page 38: ...L inverter board 1 11 1 LCD Module The LCD module used for the TFT color display uses a backlight as the light source 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...

Page 39: ... L110 G33C0001 K110 G33C0001 7110 G33C0000 Q110 G33C0000 Q310 G33C0001 R110 Number of Dots 1 024 W x 768 H Dot spacing mm 0 297 H x 0 297 V Display range mm 304 128 H x 228 096 V Table 1 9 LCD module specifications 15 0 inch XGA SPWG TFT 3 5 Specifications Item G33C0001Y110 G33C0001V110 G33C0001W110 Number of Dots 1 024 W x 768 H Dot spacing mm 0 297 H x 0 297 V Display range mm 304 128 H x 228 09...

Page 40: ...atellite A50 TECRA A2 Maintenance Manual 960 478 Table 1 9 LCD module specifications 15 0 inch SXGA SPWG TFT 5 5 Specifications Item G33C0001X110 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 ...

Page 41: ... 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 board specifications Item Specifications Voltage V DC5 Input Power W 7 Voltage V 750 Current mA 6 00 Output Power W 5W 7VA ...

Page 42: ...ly AC adapter is connected to the computer 2 Detects DC output and circuit malfunctions 3 Controls the battery icon and DC IN icon 4 Turns the battery charging system on and off and detects a fully charged battery 5 Turns the power supply on and off 6 Provides more accurate detection of a low battery 7 Calculates the remaining battery capacity 8 Controls the transmission of the status signal of th...

Page 43: ...es No No GMCH DDR SDRAM P3V 3 3 No No No Clock Generator Thermal Sensor GMCH SDRAM SPD TV LCD ICH4 M Sound CODEC Mini PCI EC KBC E3V 3 3 Yes Yes or No No YEBISUSS PC Card Power Mini PCI MDC RS232C LAN Power LAN E3V 3 3 Yes Yes or No No ICH4 M KINNERETH Directly connected to E3V LAN1R5 E1V 1 5 Yes Yes or No No ICH4 M LAN Power S3V 3 3 Yes Yes No ICH4 M EC KBC Flash Memory PSC P5V 5 No No No CRT ICH...

Page 44: ...aterial Output Voltage Capacity G71C0003U210 G71C0003U110 lithium ion 3 cell 2 200mAh G71C0003V210 G71C0003V110 lithium ion 6 cell 4 400mAh G71C0003W210 Main battery G71C0003W110 lithium ion 12 cell 10 8V 8 800mAh Real time clock RTC battery P71035017110 Nickel metal hydride 3 0V 17mAh 1 13 1 Main Battery The main battery is the primary power supply for the computer when the AC adapter is not conn...

Page 45: ...urned on and quick charge is used while the system is turned off or in suspend mode Table 1 13 shows the time required for charges of main battery Table 1 13 Time required for charges of main battery Condition Charging Time Normal charge 3cell About 3 0 to 6 0 hours or longer 6cell About 5 0 to 11 0 hours or longer 12cell About 10 5 to 21 5 hours or longer Quick charge 3cell About 2 5 hours 6cell ...

Page 46: ...vation time When turning off the power in being charged fully the preservation time is as follows Table 1 14 Battery preservation time Condition Preservation Time Normal charge 3cell About 10 days 6cell About 25 days 12cell About 55 days Quick charge 3cell About 1 days 6cell About 3 days 12cell About 5 days ...

Page 47: ...RTC battery provides the power supply to maintain the date time and other system information in memory Table 1 15 lists the Time required for charges of RTC battery Table 1 15 Time required for charges of RTC battery Condition Time Power ON Lights Power LED 8 hours Power OFF Doesn t light Power LED Doesn t charge ...

Page 48: ... AC Adapter The AC adapter is used to charge the battery Table 1 16 lists the AC adapter specifications Table 1 16 AC adapter specifications Item Specifications G71C0002S310 Input voltage 100V 240V Input frequency 50Hz 60Hz No load input power 0 5W or less Output voltage 15 0V Output current 4 0A ...

Page 49: ...Chapter 2 Troubleshooting Procedures ...

Page 50: ...2 Troubleshooting Procedures 2 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 2 ...

Page 51: ...2 20 Procedure 3 Diagnostic Test Program Execution Check 2 30 Procedure 4 Replacement Check 2 30 2 5 3 5 FDD Troubleshooting 2 31 Procedure 1 FDD Head Cleaning Check 2 31 Procedure 2 Diagnostic Test Program Execution Check 2 32 Procedure 3 Connector Check and Replacement Check 2 33 2 6 2 5 HDD Troubleshooting 2 34 Procedure 1 Partition Check 2 34 Procedure 2 Message Check 2 35 Procedure 3 Format C...

Page 52: ... Program Execution Check 2 43 Procedure 2 Connector Check and Replacement Check 2 43 2 11 Modem Troubleshooting 2 44 Procedure 1 Diagnostic Test Program Execution Check 2 44 Procedure 2 Connector Check and Replacement Check 2 44 2 12 LAN Troubleshooting 2 45 Procedure 1 Diagnostic Test Program Execution Check 2 45 Procedure 2 Connector Check and Replacement Check 2 45 2 13 Sound Troubleshooting 2 ...

Page 53: ...Figures Figure 2 1 Troubleshooting flowchart 2 3 Figure 2 2 A set of tool for debug port test 2 20 Tables Table 2 1 Battery icon 2 6 Table 2 2 DC IN icon 2 7 Table 2 3 D port status 2 21 Table 2 4 FDD error code and status 2 32 Table 2 5 2 5 Hard disk drive error code and status 2 37 ...

Page 54: ...2 Troubleshooting Procedures 2 vi Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 55: ...ics Disk Test program for maintenance 2 Phillips screwdrivers NOTE Be sure to use the PH point size 0 screwdriver complying with the ISO DIS 8764 1 1996 3 Toshiba MS DOS system FD 4 Work disk for USB FDD testing 5 Cleaning disk kit for USB FDD head cleaning 6 Debug port LED 7 Wraparound connector for PC card 8 Tester 9 External CRT 10 ExternalUSB FDD 11 External USB test module 12 External USB cab...

Page 56: ...art in Figure 2 1 as a guide for determining which troubleshooting procedure is executed Before going through the flowchart steps check the following q Make sure that Toshiba Windows 2000 XP HE XP PRO is installed on the hard disk Non Toshiba operating systems can cause the computer malfunction q Make sure all optional equipment is removed from the computer ...

Page 57: ...2 2 Troubleshooting Flowchart 2 Troubleshooting Procedures Satellite A50 TECRA A2 Maintenance Manual 960 478 2 3 Figure 2 1 Troubleshooting flowchart 1 2 ...

Page 58: ...2 Troubleshooting Procedures 2 2 Troubleshooting Flowchart 2 4 Satellite A50 TECRA A2 Maintenance Manual 960 478 Figure 2 1 Troubleshooting flowchart 2 2 ...

Page 59: ...rd disk test perform 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 test for the touch pad function perform the Touch Pad Troubleshooting Procedur...

Page 60: ...ng Check Procedure 5 Replacement Check Procedure 1 Power Status Check The following icons indicate the power supply status q Battery icon q DC IN icon The power supply controller displays the power supply status with the Battery iconand the DC IN icon as listed in the tables below Table 2 1 Battery icon Battery icon Power supply status Lights orange Battery is charged and the external DC is input ...

Page 61: ...troller detects a malfunction the DC IN icon blinks orange It shows an error code When the iconis blinking perform the following procedure 1 Remove the battery pack and the AC adapter 2 Re attach the battery pack and the AC adapter If the icon is still blinking after the operation above check the followings Check 1 If the DC IN icon blinks orange go to Procedure 2 Check 2 If the DC IN icon does no...

Page 62: ...e 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 half second Interval betweendata bits Off for half second The error code begins with the least significant digit Example Error code 13h Error codes are given in hexadecimal format Check 1 Convert the DC IN icon blink pattern into the hexadecimal error code and compare it to t...

Page 63: ...1R5 C1V output 7 h PPV output 8 h PTV output 9 h E5V output A h E3V output B h PPV output C h PMV output D h 1R25 B1V output E h 2R5 B2V output F h q DC power supply AC adapter Error code Meaning 10h AC Adapter output voltage is over 16 5V 11h Common Dock output voltage is over 16 5V 12h Current from the DC power supply is over 7 00A 13h Current from the DC power supply is over 0 5A when there is ...

Page 64: ...ttery charge current is over 3 1A when AC adapter is not connected 34h Abnormal current has been sensed 35h Second battery charge current is over 0 3A q S3V output P60 Error code Meaning 40h S3V voltage is 3 14V or less when the computer is powered on off 45h S3V voltage is 3 14V or less when the computer is booting up CV support q 1R5 C1V output P61 Error code Meaning 50h 1R5 C1V voltage is over ...

Page 65: ...ltage is 1 275V or less when the computer is booting up CV support q PPV output P63 Error code Meaning 70h PPV voltage is over 1 80V when the computer is powered on off 71h PPV voltage is 0 56V or less when the computer is powered on 72h PPV voltage is 0 56V or less when the computer is booting up 73h PPV voltage is 0 56V or more when the computer is powered off q PTV output P64 Error code Meaning...

Page 66: ... E3V voltage is 2 81V or less when the computer is booting up A3h E3V voltage is 2 81V or more when the computer is powered off A4h E3V voltage is 2 81V or less when the computer is suspended q PPV output P63 Error code Meaning B0h PPV voltage is over 1 80V when the computer is powered on off B1h PPV voltage is 0 56V or less when the computer is powered on B2h PPV voltage is 0 56V or less when the...

Page 67: ...mputer is booting up D3h 1R25 B1V voltage is 1 063V or more when the computer is powered off D4h 1R25 B1V voltage is 1 063V or less when the computer is suspended q 2R5 B2V output P66 Error code Meaning C0h 2R5 B2V voltage is over 3 00V when the computer is powered on off C1h 2R5 B2V voltage is 2 125V or less when the computer is powered on C2h 2R5 B2V voltage is 2 125V or less when the computer i...

Page 68: ...q Make sure the AC adapter and AC power cord are firmly plugged into the DC IN 15 V socket and wall outlet If the cables are connected correctly go to the following step q Connect a new AC adapter and AC power cord If the error still exists go to Procedure 5 Check 3 In the case of error code 21h q Go to Procedure 3 Check 4 For any other errors go to Procedure 5 ...

Page 69: ... the battery is properly installed and the battery icon still does not light go to Procedure 4 Procedure 4 Charging Check Check if the power supply controller charges the battery pack properly Perform the following procedures Check 1 Make sure the AC adapter is firmly plugged into the DC IN socket Check 2 Make sure the batterypack is properly installed If the battery is properly installed go to Ch...

Page 70: ...the system board by the AC adapter If either the AC adapter or the system board was damaged perform the following Checks To disassemble the computer follow the steps described in Chapter 4 Replacement Procedures Check 1 Replace the AC adapter with a new one If the AC adapter is still not functioning properly perform Check 2 Check 2 Replace the system board with a new one ...

Page 71: ...leshooting This section describes how to determine if the system board is defective 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 Debug Port Check Procedure 3 Diagnostic Test Program Execution Check Procedure 4 Replacement Check ...

Page 72: ...creen appears to set the system configuration If error message b appears often when the power is turned on replace the RTC battery If any other error message is displayed perform Check 2 a Bad HDD type Check system Then press F1 key b Bad RTC battery Check system Then press F1 key c Bad configuration Check system Then press F1 key d Bad memory size Check system Then press F1 key e Bad time functio...

Page 73: ...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 ERROR 12 EXTENDED MEMORY PARITY ERROR 13 DMA PAGE R...

Page 74: ... board For disassembling to connect the test cable refer to Chapter 4 2 Connect the debug port test cable and RS 232C cross cable to the test board 3 Connect the RS 232C cross cable to the PC that displays the results 4 Boot the computer in MS DOS mode 5 Execute GETDPORT COM in the text menu in CPU REAL mode Insert the FD for starting D port into FDD and input FD starting drive dport The D port st...

Page 75: ...ten CHECK SUM CHECK Switching to protected mode Examining the checksum of Boot Block Skip when returned to S3 Examining the checksum of other data in a flash memory Skip when returned to S3 F001h Initializing a KBC 1 EC KBC rewrite check BIOS rewrite when rewrite is requested Transition of the process to System BIOS IRT when returned to S3 Key input When inputting key TAB key check F002h Checking ...

Page 76: ...s cycle ON 1s Off 1s Abnormal BIOS ROM Orange blinks in 2s cycle ON 1s Off 1s Key input Disabling USB first Sound beep Waiting for key input Loading CHGBIOSA EXE CHGFIRMA EXE Reset FDC Setting up the parameter for 2HD 1 44MB Loading firs t sector and Confirming the media if it is 2HD 1 44MB Setting up the parameter for 2DD 720KB Searching CHGBIOSA EXE from route directory Calculate starting direct...

Page 77: ...hecking type and size of DRAM at Cold boot only HLT when DRAM size is 0 Testing stack area of SM RAM HLT when impossible to use as s tack F102h CMOS check and initialization Cache Configuration Enabling L1 and L2 cache Access test of CMOS at Cold boot only HLT when an error occurred Checking battery level of CMOS CheckSum check of CMOS Initializing CMOS data 1 Setting up IRT status Setting of Boot...

Page 78: ...ror request Copy ROM RAM of the System BIOS HLT when an error occurred F104h SMRAM initialization Initializing SMRAM Checking the factor of WakeUp Rewriting the SMRAM base and Storing CPU state map for BIOS Enabling SMI only by ASMI F105h PCI test at Cold boot only and Initialization Setting test pattern in PIT 0 of Channel 0 Initialization of the device Which needs initialization before PCI BUS I...

Page 79: ... except VGA_BUS 0 F106h Initializing ACPI KBC VGA Storing the configuration of ROM in a buffer sound function and PIC Reading EC version Updating the type of flash memory Determining what country the computer is designed to be used in by DMI data Checking the default settings of CMOS When finding Bad Battery Bad CheckSum ROM CMOS set default Initializing ACPI table For executing option ROM Initial...

Page 80: ...ware Serial interrupt control performed before interrupt Initializing PnP hardware Configuration Initializing PC Card Slots Initializing SIO for models supporting SIO Initializing FIR for models supporting FIR PCI automatic configuration Making of work for automatic configuration Acquisition of PCI IRQ PCI Configuration Storing of VGA configuration result F10Ah Initializing drives Task generation ...

Page 81: ...in protected mode F117h CHK_DMA_PAGE Check of DMA page Register Cold boot only F118h Checking a DMAC Checking a DMAC Boot F119h Initialization of DMA Initializing DMA Cold boot only F11Ah CHECK _PRT Checking a printer port existence for models supporting PRT F11Bh Checking SIO Checking a SIO port for models supporting SIO F11Ch BOOT_PASSWORD Check of password Waiting for the end of the FDD initial...

Page 82: ...on on BIOS Waiting for clock generator setting completion Stops in F11DH when an error is detected Waiting for the end of serial port initialization for models supporting SIO Canceling NMI mask Clearance of the checksum of TIT Clearing IRT running flag for runtime Update checksum for runtime Hibernation branch for models supporting BIOS Hibernation Initialization of Bluetooth for models supporting...

Page 83: ...T_SETUP Clearing PWRBTN_STS Enabling the power button F120h Clearing IRT status Updating of checksum for Runtime FFFFh Completion Check 1 If the D port status error code F11Ah is displayed go to the 3 5 USB FDD Troubleshooting Procedures in Section 2 5 or the 2 5 HDD Troubleshooting Procedures in Section 2 6 Check 2 If any other D port status error code is displayed perform Procedure 3 D port erro...

Page 84: ... perform these tests 1 System test 2 Memory test 3 Keyboard test 4 Display test 5 Floppy Disk test 6 Printer test 7 Async test 8 Hard Disk test 9 Real Timer test 10 NDP test 11 Expansion test 12 CD ROM DVD ROM test 13 Sound LAN Modem test 14 IEEE1394 test 15 Wireless LAN test If an error is detected during these tests go to Procedure 4 Procedure 4 Replacement Check The system board may be damaged ...

Page 85: ...edure 2 Diagnostic Test Program Execution Check Procedure 3 Connector Check and Replacement Check Procedure 1 FDD Head Cleaning Check FDD head cleaning is one option available in the Diagnostic Program Insert the Diagnostics Disk in the external floppy disk drive turn on the computer and run the test And then clean the FDD heads using the cleaning kit If the FDD still does not function properly af...

Page 86: ...Table 2 4 If any other errors occur while executing the FDD diagnostics test go to Check 1 Table 2 4 FDD error code and status Code Status 01h Bad command 02h Address mark not found 03h Write protected 04h Record not found 06h Media replaced 08h DMA overrun error 09h DMA boundary error 10h CRC error 20h FDC error 40h Seek error 60h FDD not drive 80h Time out error Not ready EEh Write buffer error ...

Page 87: ... to the system board If any of the connections are loose reconnect firmly and repeat Procedure 2 If there is still an error go to Check 2 Check 2 The USB FDD may be defective or damaged Replace it with a new one If the FDD is still not functioning properly perform Check 3 Check 3 The connector board connected to the system board may be defective or damaged Replace it with a new one If the FDD is s...

Page 88: ...1 Partition Check Insert the Toshiba MS DOS system disk and start the computer Perform the following checks Check 1 Type C and press Enter If you cannot change to drive C go to Check 2 If you can change to drive C go to Procedure 2 Check 2 Type FDISK and press Enter Choose Display Partition Information from the FDISK menu If drive C is listed in the Display Partition Information go to Check 3 If d...

Page 89: ... appears go to Check 3 If the following messages do not appear perform Check 5 Insert system disk in drive Press any key when ready or Non System disk or disk error Replace and press any key when ready Check 3 Check SETUP to see whether the Hard Disk option is set to Not used If it is set to Not used choose another setting and return to Check 1 If it is not set to Not used go to Check 4 Check 4 Us...

Page 90: ...format by the test program refer to the Chapter 3 Check 1 Format an 2 5 HDD using MS DOS FORMAT command Type as FORMAT C S U If the 2 5 HDD can not be formatted perform Check 2 Check 2 Using the MS DOS FDISK command set the 2 5 HDD partition If the partition is not set go to Check 3 If it is set format the 2 5 HDD using MS DOS FORMAT command Check 3 Using the Diagnostic Disk format the 2 5 HDD wit...

Page 91: ... will be displayed The error codes and statuses are described in Table 2 5 If an error code is not displayed but the problem still exists go to Procedure 5 Table 2 5 2 5 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 error DRQ 09h DMA boundary error 0Ah Bad sector error 0B...

Page 92: ... the following checks to check the connecting portion Check 1 Make sure the following connectors are 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 2 5 HDD may be damaged Replace it with a new one following the instructions in Chapter 4 Replacement Procedures and check the operation If the...

Page 93: ... If an error occurs go to Procedure 2 If an error does not occur the keyboard is functioning properly Procedure 2 Connector Check and Replacement Check The keyboard or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the keyboard cable is firmly connected to the ...

Page 94: ... the Diagnostics disk 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 details This program checks the display controller on the system board If an error is detected go to Procedure 3 Procedure 2 Connector and Cable Check The LCD module is connected to the system board through the LCD harness The cabl...

Page 95: ...he display is dark the back light does not light perform Check 5 Check 1 The display ON OFF switch may be damaged Remove the display ON OFF switch and repeat Procedure 4 If there is still an error go to Check 2 Check 2 The LCD harness may be damaged Replace the damaged harness with a new one and repeat Procedure 4 If there is still an error go to Check 3 Check 3 The display module may be damaged R...

Page 96: ...Diagnostic Program Refer to Chapter 3 Tests and Diagnostics for more information on how to perform the test program If any error is detected perform Procedure 2 Procedure 2 Connector and Cable Check The touch pad is connected to the system board with a cable respectively The cable may have come off the connector or the connector may have come off the system board Disassemble the computer and check...

Page 97: ...plementing the Diagnostics procedures on page 2 1 If any error is detected by the test go to Procedure 2 Procedure 2 Connector Check and Replacement Check The optical drive is connected to the system board by the connector The connector may be disconnected from the system board or faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Ma...

Page 98: ... is connected to the system board by connector If the modem malfunctions these connections may be bad or the MDC or system board might be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Make sure the MDC has been firmly connected to the PJ3020 on the system board and the modem jack cable has been firmly connected to the JP1 on the...

Page 99: ... detected by the test go to Procedure 2 Procedure 2 Connector Check and Replacement Check The LAN function is mounted on the system board The modem LAN jack is connected to the system board by the cable If the LAN malfunctions the connection is bad or the system board might be faulty Disassemble the computer following the steps described in Chapter 4 and perform the following checks Check 1 Check ...

Page 100: ...rocedure 2 Connector Check The connection of sound system is shown in the following figure As the connection may be bad disassemble the PC and check each connection If the speakers do not work properly go to Check 1 If the headphone or external microphone does not work properly go to Check 2 If TV output function does not work properly go to Check 3 Check 1 Make sure the speaker cables are firmly ...

Page 101: ...pter 4 If the problem persists perform Check 4 Check 2 The sound board may be faulty Replace it with a new one following the steps in Chapter 4 If the problem persists perform Check 4 Check 3 The connector board may be faulty Replace it with a new one following the steps in Chapter 4 If the problem persists perform Check 4 Check 4 The system board may be faulty Replace it with a new one following ...

Page 102: ... Check Procedure 3 Replacement Check Procedure 1 Transmitting Receiving Check Make sure the wireless communication switch on the left 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 the wi...

Page 103: ...ot functioning properly perform Check 3 Check 3 Make sure the wireless LAN antenna cables black and white are firmly connected to the Mini PCI card If the wireless LAN antenna cables are disconnected connect them firmly and perform Procedure 1 If the wireless LAN is still not functioning properly go to Procedure 3 Procedure 3 Replacement Check The Mini PCI card and the system board are connected A...

Page 104: ...2 Troubleshooting Procedures 2 14 Wireless LAN Troubleshooting 2 50 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 105: ...Chapter 3 Tests and Diagnostics ...

Page 106: ...3 Tests and Diagnostics 3 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 3 ...

Page 107: ...ystem Test 3 11 3 6 Memory Test 3 15 3 7 Keyboard Test 3 17 3 8 Display Test 3 20 3 9 Floppy Disk Test 3 23 3 10 Printer Test 3 25 3 11 ASYNC Test 3 27 3 12 Hard Disk Test 3 29 3 13 Real Timer Test 3 32 3 14 NDP Test 3 34 3 15 Expansion Test 3 35 3 16 CD ROM DVD ROM Test 3 37 3 17 Sound LAN Modem TV Test 3 38 3 18 IEEE1394 Test 3 42 3 19 Wireless LAN Test Atheros 3 43 3 20 Wireless LAN Test Calexi...

Page 108: ...oppy Disk Drive Utilities 3 61 3 27 1 Function Description 3 61 3 27 2 Operations 3 62 3 28 System Configuration 3 66 3 28 1 Function Description 3 66 3 28 2 Operations 3 67 3 29 SETUP 3 68 3 29 1 Function Description 3 68 3 29 2 Accessing the SETUP Program 3 70 Tables Table 3 1 Subtest names 3 9 Table 3 2 Error codes and error status names 3 51 Table 3 3 Hard disk controller status register conte...

Page 109: ...ich writes the hardware information or displays the current information of the computer It is also included in one of Diagnostic Disks NOTE To start the diagnostics follow these steps 1 Check all cables for loose connections 2 Exit any application and close Windows 3 1 1 Diagnostics menu The DIAGNOSTIC MENU consists of the following functions q DIAGNOSTIC TEST q HEAD CLEANING q LOG UTILITIES q RUN...

Page 110: ...st Printer test q A PC card wraparound connector Expansion test q An external CRT monitor Expansion test q A CD test media TOSHIBA CD ROM TEST DISK CD ROM DVD ROM test q A DVD test media DVD ROM TEST DISK TSD 1 CD ROM DVD ROM test q A music CD CD ROM DVD ROM test q A USB test module Keyboard test q A USB cable Keyboard test q Headphones Sound LAN Modem TV test q A microphone Sound LAN Modem TV tes...

Page 111: ... T D 2 Repair initial config set Enter a choice 1 To start the Diagnostics menu T D press 1 and Enter To start the H W initial information setting tool press 2 and Enter 3 2 1 Diagnostics menu T D The following menu appears TOSHIBA personal computer XXXXXX DIAGNOSTICS version X XX c copyright TOSHIBA Corp 20XX DIAGNOSTICS MENU 1 DIAGNOSTIC TEST 2 3 4 HEAD CLEANING 5 LOG UTILITIES 6 RUNNING TEST 7 ...

Page 112: ...EM TEST 2 MEMORY TEST 3 KEYBOARD TEST 4 DISPLAY TEST 5 FLOPPY DISK TEST 6 PRINTER TEST 7 ASYNC TEST 8 HARD DISK TEST 9 REAL TIMER TEST 10 NDP TEST 11 EXPANSION TEST 12 13 CD ROM DVD ROM TEST 14 88 ERROR RETRY COUNT SET FDD HDD 99 EXIT TO DIAGNOSTICS MENU Functions 1 through 14 are the Diagnostic Tests Function 88 sets the floppy disk drive and hard disk drive error retry count 0 255 To exit the su...

Page 113: ... UnDock 03 04 Fan ON OFF 05 Geyserville 06 Quick charge 07 DMI read 08 DMI write 09 CPU Thermistor 10 11 System LED 99 Exit to DIAGNOSTIC TEST MENU NOTE The menu displayed by your computer may be slightly different from the one shown above Select the desired subtest number from the subtest menu and press Enter The following message will appear TEST LOOP YES or NO ERROR STOP YES or NO Use the right...

Page 114: ...pectively 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 When an error occurred the error status is displayed and the error counter is increased by one Table 3 1 in section 3 4 describes the function of each test on the subtest menu Table 3 2 in section 3 21 describes ...

Page 115: ...ts for key input After solving the problem the program executes the item again When the DMI information is displayed the program waits for key input of DMI information Then input the DMI information For more details on DMI information refer to Subtest 08 DMI write in the System test Setting of the CPU set table Setting of the micro code Inputting or writing of DMI information RAM text Setting of t...

Page 116: ...ng message appears press Enter Press Enter key For details of the system configuration information refer to 3 28 System configuration Subtest 09 E2PROM test MAC DMI NOTE To execute this subtest the LAN wraparound connector is required This subtest checks whether the LAN function works correctly When the following message appears press Enter COMPLETED_ After that it checks automatically whether the...

Page 117: ...irmistor System LED 2 MEMORY 01 02 04 05 06 Conventional memory Protected Mode Cache memory L2 Cache memory Stress 3 KEYBOARD 01 02 04 05 07 Pressed key display Pressed key code display Touch pad IPS USB test Port 0 1 2 Button 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 Brig...

Page 118: ...ta Cross talk peak shift 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 wrap around RGB monitor ID 13 CD ROM DVD ROM 01 02 03 05 Sequential read Read specified address Random address data CDRW 1point W R C SOUND LAN MODEM TV 01 02 03 04 05 Microphoned ...

Page 119: ...nter Slide Eject SW and press Enter key Following message appears in the display then press Enter without pressing eject button Release Eject SW and press Enter key When the subtest end normally return to SYSTEM test menu automatically After the display returns to the SYSTEM test menu undock the computer from the Port Replicator III Subtest 04 Fan On Off This subtest turns on off the fan motor by ...

Page 120: ...r XXXXXXXXXX Model Number XXXXXXXXXXXX PCN BND Number XXX UUID Number XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Press Enter to EXIT To exit this subtest and return to the SYSTEM TEST menu press Enter Subtest 08 DMI write The following messages appear in order Input each information If you do not replace the PCB the DMI information should not be changed 1 Enter Model Name Input the computer s name and press...

Page 121: ...the CPU TEMP indicates the CPU temperature at the moment in decimal notation For example if the number is 57 the CPU temperature is 57 degrees The number of Throttling level indicates how much the CPU has slowed This number takes one of the following three values 0000h The CPU is running full speed 4000h The CPU has slowed to 75 of its maximum speed 8000h The CPU has slowed to 50 of its maximum sp...

Page 122: ...ery and DC IN The Following message appears in the display Confirm that the LED lights in the same color as the message changed in the certain interval Then press any key Check PS LED Orange Batt LED Green The following message appears in the display Check the LED in the same way as above Then press any key Check PW LED Orange Return to the SYSTEM TEST menu ...

Page 123: ...t data is FFFFh AAAAh 5555h 0101h and 0000h Subtest 02 Protected Mode NOTE The CONFIG SYS file must be configured without extended 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 from 1MB to the maximum MB then reads the new data a...

Page 124: ... to 7000 7FFF 32 KB to check the hit miss ratio on off status for L2 cache memory Number of misses Number of hits OK Number of misses Number of hits Fail Subtest 06 Stress Data from 1MB to the maximum MB is written from the 16KB write buffer to the 16KB read buffer and compared the data in the buffers The read buffer starts from 0001 and the comparison is continued with the following read buffer a...

Page 125: ...ing key on the screen changes to the key character 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 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 sho...

Page 126: ...the response from the touch pad and touch pad switch When moving your finger on the touch pad towards the upper left the POINTING display changes according to the following illustration If a touch pad switch is pressed the BUTTON displays appear on the right side one by one The parameters appear above the BUTTON 1 or 2 corresponding to the pressed touch pad switch highlights If two touch pad switc...

Page 127: ...with the USB port an error message appears Check the wraparound connection and repeat the test Subtest 07 Button test This subtest checks TOSHIBA Console button Presentation button Zoom in button and Zoom out button work properly The following message appears in the display Press TOSHIBA Console key Then press the TOSHIBA Console button of the computer The message appears in the following order Ch...

Page 128: ...ddress data to the video RAM The data 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 fo...

Page 129: ...Mode 112 640 480 16M Mode 114 800 600 64K Mode 115 800 600 16M Mode 117 1024 768 64K 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 Subtest 05 All Dot On Off for LCD This subtest displays an all white screen all dots on then an all black screen all dots off The display changes automa...

Page 130: ...HHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH To exit this subte...

Page 131: ...elect 1 FDD 1 2 FDD 2 0 FDD 1 2 Media in drive 1 mode 0 2DD 1 2D 2 2D 2HD 2DD 3 2HD Test start track Enter 0 dd 00 79 2 The Floppy Disk test contains five subtests that test the FDD The floppy disk test menu will appear after you select FDD test parameters SUB TEST MENU 01 Sequential read 02 Sequential read write 03 Random address data 04 Write specified address 05 Read specified address 99 Exit t...

Page 132: ...ly 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 address data This subtest writes random data to random addresses on all tracks track 0 to 39 0 to 79 on a floppy disk The data is then read and compared to the original data Subtest 04 Write specified address This subtest writes the data ...

Page 133: ...d press Enter SUB TEST MENU 01 Ripple pattern 02 Function 03 Wrap around 99 Exit to DIAGNOSTIC TEST MENU NOTE An IBM compatible printer must be connected to the system to execute this test The following message will appear when the sub test is selected 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 com...

Page 134: ...Emphasized print Double strike print 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 This subtest checks the output and bi directional modes of the data control and status lines through the parallel port wraparound connector 34M741986G01 B...

Page 135: ... pattern 20h to 7Eh The following message will appear at the bottom of the screen when subtest 01 02 or 03 is selected Channel 1 XXXXh Channel 2 XXXXh Channel 3 XXXXh Select the Channel number 1 2 3 The serial I O port address is specified by the XXXXh number Select the serial port channel number and press Enter to start the subtest The following message will appear at the bottom of the screen whe...

Page 136: ...s subtest receives the data from the send side then sends the received data Subtest 04 Interrupt test This subtest checks the Interrupt Request Level of IRQ 4 3 and 5 in this order from the send side The IRQ level 4 3 and 5 is determined automatically only when the wraparound connector is connected Subtest 06 FIR SIR Point to point Send NOTE To execute subtests 06 and 07 each computer must have ac...

Page 137: ... 10 is executed Before running the test transfer the contents of the hard disk to another one by executing BACKUP EXE or others The following messages will appear after selecting the hard disk test from the DIAGNOSTIC TEST MENU 1 Select the hard disk drive number to be tested Test drive number select 1 HDD 1 2 HDD 2 0 HDD1 2 2 The setting by this message is used to select the error dump operation ...

Page 138: ...tested and the last two digits indicate the error status code as explained in Table 3 2 Subtest 01 Sequential read This subtest reads sequentially all the track data on the HDD starting at track 0 forward reading When all the tracks on the HDD have been read the test reads the maximum track data and continuous to read the track data on the HDD sequentially back to track 0 reverse read Subtest 02 A...

Page 139: ...nder EB6DB6 2 cylinder 149249 3 cylinder 63B63B 4 cylinder 9C49C4 5 cylinder 2DB6DB 6 cylinder D24924 7 cylinder Subtest 06 Write specified address This subtest writes specified data to a specified cylinder and head on the HDD Subtest 07 Read specified address This subtest reads data from a specified cylinder and head on the HDD Subtest 09 Sequential write This subtest writes specified 2 byte data...

Page 140: ...t date XX XX XXXX Current time XX XX XX Enter new date PRESS Enter KEY TO EXIT TEST Step 2 If the current date is not correct input the correct date and press Enter The date is updated and the following prompt will appear If the current data is correct press Enter Enter new time Step 3 If the current time is not correct input the correct time in 24 hour format and press Enter The time is updated T...

Page 141: ...arry CAUTION When this subtest is executed the current date and time are erased This subtest checks the real time clock increments Make sure the date and time are displayed in the following format and they move forward correctly Current date 12 31 1999 Current time 23 59 58 PRESS Enter KEY TO EXIT TEST Press Enter to exit ...

Page 142: ...S TEST MENU press Enter and follow the directions on the screen The NDP test contains one subtest that tests the computer s NDP functions Move the highlight bar to the subtest you want to execute and press Enter Subtest 01 NDP This test checks the following functions of NDP q Control word q Status word q Bus q Addition q Multiplication Press Ctrl Break to exit ...

Page 143: ...nd This test 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 00003 Speaker line 04 00004 40 80 xx Wait...

Page 144: ... to the computer 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 145: ... For the subtest 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 04 use a music CD on the market Subtest 01 Sequential read This subtest reads one block 2K byte data from logical address 0 to the last address in order and compare them Subtest 02 Read specified address This subtest reads one block data from the sp...

Page 146: ...ile pressing U The following message will appear XXXXXX DIAGNOSTICS PROGRAM SOUND LAN MODEM TV TEST 1 Microphoned recording play 2 Sin wave 3 LAN 4 MODEM 5 TV tuner slot Press test number 1 5 Press the number you want to test and press Enter NOTE To execute Subtest 01 the external microphone and headphone are required The system is capable of producing high volume sound so when you use the headpho...

Page 147: ...oftware Inc XXXX 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 STACWAVE Version X XX Build data XXX XX XXXX at XX XX XX Loading mic wav Subtest 02 Sin Wave This subtest is executed by loading the COM file ADSIN COM The program expands sin wave data table from ...

Page 148: ...3 Tests and Diagnostics 3 17 Sound LAN Modem TV Test 3 40 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 149: ...he chip Select 3 to execute and press Enter The following message will appear COMPLETED Repeat count 00000 Error count 00000 LOOPBACK TEST 100Mbps Auto negotiation TxRx Test Destination Address xxxxxxxxxxxx Source Address xxxxxxxxxxxx 100Base TX Full Duplex TRANSMIT RECEIVE NOTE The menu displayed by your computer may be slightly different from the one shown above Check that the message OK appears...

Page 150: ...CB Interface Version X X Scorpio Modem Initialize OK Digital Loopback Test OK Modem Sound Test 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 or N the RJ11 Connection Check L...

Page 151: ...form this test a Insert the Diagnostics 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 TSB LV28 test menu For Repair VX XX Select test No and Enter 1 Ieee1394 test 2 Responder tool 3 ID Check Select 1 3 b To execute the TEST select the test number you want to execute and press Enter Subtest 01 IEEE1...

Page 152: ...less networks such as Bluetooth is not used nearby In this test the following items are tested 1 SKU destination code check 2 Mac Address check 3 Communication test for 11a mode 4 Communication test for 11g mode 5 Communication test for 11b mode This program conducts the above test items 2 to 5 continuously and displays results for each item during the test However only the destination code and th...

Page 153: ...ss S and Enter The menu for selecting the test mode will appear Askey Atheros Wireless LAN Module Maintenance T D 1 DUT mode 2 REF mode Responder Press test number 1 2 Press 2 and Enter of the responder machine 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 the first floppy disk containing the test pro...

Page 154: ...Message for G86C0000S210 11a g MoW Module Askey Atheros 802 11a g SKU MoW G code G86C0000S210 When the test is continued Mac Address check and Communication test confirmation of antenna connection are automatically conducted in order For the 11a g card the antenna connection confirmation test and the sending receiving data test are conducted in 11a mode and the sending receiving data test is succe...

Page 155: ...ain When the tester machine still cannot pass the test the message NG will appear in the tester machine Pressing Enter on the screen shows the message of the cause of error Example Error in 11g mode test 11g Throughput test NG Press Enter to return to the command prompt To finishthe test turn off the tester machine and responder machine and set the Wireless Communication Switch to off position ...

Page 156: ... MENU in the DIAGNOSTIC TEST MENU Then in the DIAGNOSTICS MENU select 9 EXIT TO MS DOS Insert the Diagnostics disk for wireless LAN test into the Floppy Disk Drive Turn on the power while pressing U The following menu appears in the display Intel Calexico2 11b g Card Maintenance test Menu 1 SKU check of Module 2 MAC Address Check 3 Antenna Check communication test of 11b mode 4 communication test ...

Page 157: ...CRA A2 Maintenance Manual 960 478 3 49 This subtest displays SKU information Confirm if there is no difference between the SKU information appeared on the display and the information of the label on the back of the wireless LAN Card Press any key and return to the test menu ...

Page 158: ...executing wireless LAN test The wireless communication LED lights orange Release the write protection of floppy disk for the test Setting the responder machine Connect the responder machine to the access points for 11b and 11g with a cross cable and turn on the access points Insert the floppy disk containing the wireless LAN test program into the FDD of the responder machine and turn on the respon...

Page 159: ...ly in Calexico11g mode OK appears in the display when a problem is not found Press any key and return to the test menu NG appears in the display when a problem is found Press any key then the following message appears in the display 11g Communication Test NG Press any key and return to the test menu Subtest 05 All the tests of Calexico 11b g Card This subtest checks SKU information MAC address con...

Page 160: ...test 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 err...

Page 161: ... Error Serial ID Write Error Thermister Error EC READ Error LAN LOOPBACK Error 1394 data Error FAN test Error Memory 01 02 0D RAM parity error Protected mode not change Cache memory error USB 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 USB NO DESCR ERROR USB GET DESCR ERROR FIRST USB SET ADDRESS ERROR HUB GET DESCR ERROR Top8B HUB GET DESCR ERROR Whole HUB SET CONFIGURATION ERROR HUB GET DESCR...

Page 162: ...t Error Write Buffer Error Printer 01 08 10 20 40 80 Time Out Fault Select Line Out Of Paper Power Off Busy Line ASYNC 01 02 04 08 10 20 40 80 88 rs232c DSR off time out CTS off time out RX EMPTY time out TX BUFFER FULL time out parity error framing error overrun error line status error modem status error HDD 01 02 04 05 07 08 09 0A 0B 10 11 20 40 80 AA BB CC Bad Command Error Address Mark Not Fou...

Page 163: ...3 22 Error Code and Error Status Names 3 Test and Diagnostics 3 53 Satellite A50 TECRA A2 Maintenance Manual 960 478 E0 EE DA Status Error Access Time Out Error No HDD ...

Page 164: ...ERROR DATA LINE ERROR WAIT LINE ERROR BSY LINE ERROR BVD1 LINE ERROR ZV Port ERROR NO PCMCIA CARD TYPE ERROR ZV_CONT ERROR NDP 01 02 03 04 05 06 No Co Processor Control Word Error Status Word Error Bus Error Addition Error Multiply Error CD 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 ADDITIMAL SENSE BOUNDARY ERROR CORRECT...

Page 165: ...atus register and error register are listed in Tables 3 3 and 3 4 Table 3 3 Hard disk controller status register contents Bit Name Description 7 BSY 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 ha...

Page 166: ...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 error or a command abort error 1 TK0 Track zero 0 The hard disk found track 0 during a recalibrate command 1 The hard disk could not find track 0 during a...

Page 167: ...rm this program 3 24 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 following message appears the FDD head cleaning has begun Cleaning st...

Page 168: ... Error count CNT 2 Test name Subtest number TS No 3 Pass count PASS 4 Error status code STS 5 FDD HDD or memory address ADDR 6 Write data WD 7 Read data RD 8 HDC status code HSTS 9 Error status name ERROR STATUS NAME 3 25 2 Operations Selecting 5 and pressing Enter in the DIAGNOSTIC MENU logs error information into RAM or onto a floppy disk The error information is displayed in the following forma...

Page 169: ...e 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 disk The 7 key writes the log information to a floppy disk 3 In the case of error retry OK a capital R will be placed at the beginning of the error statu...

Page 170: ...ded 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 is displayed Printer wrap around test Y N Selecting Y yes executes the printer wraparound test A printer wraparound connector must be connected to the parallel port of the computer...

Page 171: ...ce Manual 960 478 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: ...S DOS FORMAT command This program formats the floppy diskin the following formats a 2DD Double sided double density double track 96 135 TPI MFM mode 512 bytes 9 sectors track b 2HD Double sided high density double track 96 135 TPI MFM mode 512 bytes 18 sectors track 2 COPY This program copies data from a source floppy disk to a target floppy disk 3 DUMP This program displays the contents of the fl...

Page 173: ...display the following message Type select 0 2DD 3 2HD c Select a media drive type number then the following message appears 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 displayedand the FDD format is executed FD TYPE TRACK XXX FD TYPE HEAD X ...

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

Page 175: ... 2HD d If 2 2HD is selected the following message appears Select a media mode 2HD media mode 1 1 20MB 2 1 44MB 3 1 23MB e Select a format type and 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 XXX Sector XX Track number g Set the track number the h...

Page 176: ...her dump 1 Yes 2 No 5 HDD ID READ program Selecting 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 YYY Controller Type h XXXX Sect...

Page 177: ...n for the computer 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 8 Total Memory Size 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 Slots 15 Modem Type 16 LAN Type 17 The number of floppy disk drives 18 The...

Page 178: ... DOS Version VX XX BIOS ROM Version VX XX 1st ID XXH 2nd ID XXH BOOT ROM Version VX XX KBC Version VX XX PS Micom Version VX XX EC Version VX XX Total Memory Size XXXXXMB Conventional Memory 00639KB Battery Code XXXXXXXX Sound System XXXXXX X Printer Adapter LPT1 XXXLPT2 LPT3 X ASYNC Adapter COM1 XXX COM2 COM3 X Math Co Processor X PCMCIA Slot Modem XXX LAN XXX X Floppy Disk Drive s Track Head Sec...

Page 179: ...below 1 Memory a Total 2 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 LC Display Stretch c TV Type 7 Others a Power up Mode b CPU Cache c Level 2 Cache d Dynamic CPU Frequency Mode e Auto Power On 8 Configuration 9 I O Ports a Serial b Parallel 10 Drives I O a Built in HDD b CD ROM 11 PCI Bus 12 PC Card ...

Page 180: ...te A50 TECRA A2 Maintenance Manual 960 478 3 70 13 Peripheral a Internal Pointing Device b External Keyboard Fn key c Parallel Port Mode d Hard Disk Mode 14 LEGACY Emulation a USB KB Mouse Legacy Emulation b USB FDD Legacy Emulation 15 PCI LAN ...

Page 181: ... A50 TECRA A2 Maintenance Manual 960 478 3 29 2 Accessing the SETUP Program Selecting 0 from the DIAGNOSTICS MENU and pressing Enter displays the followings NOTE 1 1 This depends on model 2 2 This is displayed only for Intel Pentium M processor model ...

Page 182: ...nged 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 nex...

Page 183: ... total amount of memory installed and is automatically calculated by the computer You cannot change this value 2 System Date Time This option is used to set the date and the time of the computer System Date Sets the date System Time 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...

Page 184: ...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 automatic power off function This function causes the computer to turn the LCD panel s illumina...

Page 185: ...ethod 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 fan turns on automatically When the CPU temperature falls to a normal range the fan turns off Battery optimized If the CPU becomes too hot the processing speed is lowered If the temperature is still too high the fan turns on When the CP...

Page 186: ...following order CD ROM LAN HDD and FDD CD ROM LAN FDD HDD The computer looks for bootable files in the following order CD ROM LAN FDD and HDD HDD FDD CD ROM LAN The computer looks for bootable files in the following order HDD FDD CD ROM and LAN Default 1 CD ROM refers to a CD ROM DVD ROM DVD ROM CD R RW DVD R RW DVD Multi drive or DVD Super Multi drive b HDD Priority Use this option to set the pri...

Page 187: ...rwise it selects the internal LCD Default LED AnalogRGB Selects both the internal LCD and the external CRT for simultaneous display NOTE You cannot select TV display in HW Setup To display on a TV screen use Fn F5 When an external CRT display which does not support SVGA mode is connected and LED AnalogRGB is selected the external display is not displayed b TV Type This option allows you to select ...

Page 188: ... 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 cache When CPU Cache is set to Disabled this option cannot be changed Enabled Enables the level 2 cache Default Disabled Disables the level 2 cache d Dynamic CPU Frequency mode Use this option to choose a setting from the followings When the CPU of the compu...

Page 189: ...arameters for the Auto Power On automatic power on function and the Wake up on LAN in the OPTIONS window To set the time use Space or BackSpace Press to move the cursor to the right and to move the cursor to the left when you set the date and time For the Alarm Time set the time to turn on the power automatically The second cannot be set When it is set to Disabled the time to turn on automatically...

Page 190: ...aved 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 booti...

Page 191: ...oller Mode to other than Auto Selected select All Devices 9 I O ports This option controls settings for the parallel port NOTE Do not assign the same interrupt request level and I O address to the serial port and PC card a Serial Use this option to set the COM level for the serial port The serial port interrupt request level IRQ and I O port base address for each COM level is shown below COM level...

Page 192: ... When the parallel port mode see settings below is set to ECP the DMA channel can also be set to 1 2 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 appears to let you set the DMA The options for this...

Page 193: ...nly and cannot be changed PCI BUS IRQ10 IRQ11 12 PC Card Thisoption 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 P...

Page 194: ...t combination in place of the Fn key The following items can be selected for this option Left Ctrl Left Alt 1 Right Ctrl Right Alt 2 Left Alt Left Shift Right Alt Right Shift Left Alt Caps Lock NOTE If these selections 1 or 2 are made you cannot warm boot the system by pressing Ctrl Alt Del c Parallel Port Mode Use this option to set information of Parallel Port Mode ECP Sets the port mode to Exte...

Page 195: ...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 change the setting you will have to reformat the hard disk for the appropriate sett...

Page 196: ...able without the driver Disabled Disables LEGACY support b USB FDD Legacy Emulation This option sets the Legacy support condition of the 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...

Page 197: ...Chapter 4 Replacement Procedures ...

Page 198: ...4 Replacement Procedures 4 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 4 ...

Page 199: ...7 4 2 Battery Pack PC Card 4 8 4 2 1 Battery Pack 4 8 4 2 2 PC Card 4 10 4 3 Memory Module 4 11 4 4 MDC Modem 4 13 4 5 HDD 4 15 4 6 Mini PCI Card 4 18 4 7 Cooling Fin CPU 4 20 4 8 Keyboard 4 25 4 9 Switch Board 4 29 4 10 Optical Drive 4 31 4 11 Display Assembly 4 33 4 12 Sound Board 4 37 4 13 Connector Board 4 38 4 14 FAN 4 40 4 15 System Board DC IN Jack RTC Battery 4 41 4 16 Battery Latch 4 44 4...

Page 200: ...XGA Samsung Fluorescent Lamp 4 80 4 22 4 Replacing the 15 0 Inch XGA LG Philips Fluorescent Lamp 4 89 4 22 5 Replacing the 15 0 Inch XGA Sharp Fluorescent Lamp 4 96 4 22 6 Replacing the 15 0 Inch XGA SPWG CHIMEI Fluorescent Lamp 4 113 4 22 7 Replacing the 15 0 Inch XGA SPWG AU Fluorescent Lamp 4 120 4 22 8 Replacing the 15 0 Inch XGA SPWG LG Philips Fluorescent Lamp 4 127 4 22 9 Replacing the 15 0...

Page 201: ...2 Removing CPU Holder 4 21 Figure 4 13 Removing Cooling Fin 4 22 Figure 4 14 Removing CPU 4 22 Figure 4 15 Installing CPU 4 23 Figure 4 16 Applying Silicon Grease 4 24 Figure 4 17 Removing Keyboard Holder 4 25 Figure 4 18 Removing Keyboard 4 26 Figure 4 19 Removing Keyboard Support Plate 4 27 Figure 4 20 Removing Switch Board 4 29 Figure 4 21 Removing DVD RO M Drive 1 4 31 Figure 4 22 Removing DVD...

Page 202: ...CD Cable Holder 4 58 Figure 4 45 Removing Display Cover 4 58 Figure 4 46 Removing Hinge Cap 4 59 Figure 4 47 Removing Optical Drive Cover 4 60 Figure 4 48 Removing Hinges 1 4 61 Figure 4 49 Removing Speakers 4 62 Figure 4 50 Removing Hinges 2 4 63 Figure 4 51 to 4 56 Replacing 14 1 Inch XGA SPWG CHIMEI Fluorescent Lamp 1 to 5 4 67 to 4 72 Figure 4 57 to 4 65 Replacing 14 1 Inch XGA SPWG Samsung Fl...

Page 203: ... 4 121 to 4 143 Replacing 15 0 Inch XGA SPWG LG Philips Fluorescent Lamp 1 to 23 4 127 to 4 143 Figure 4 144 to 4 166 Replacing 15 0 Inch XGA CSV HCSV Sharp Fluorescent Lamp 1 to 23 4 144 to 4 162 Figure 4 167 to 4 174 15 0 Inch SXGA SPWG LG Philips Fluorescent Lamp 1 to 8 4 163 to 4 171 ...

Page 204: ...4 Replacement Procedures 4 viii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 205: ...remove all the FRUs in order to replace one The chart below provides a guide as to which other FRUs must be removed before a particular FRU can be removed The numbers in the chart indicate the relevant section numbers in this manual In all cases when removing an FRU the battery pack must also be removed When repairing an FRU that is the potential cause of acomputer fault use the chart to determine...

Page 206: ... the battery installed to the computer is typically already charged the risk of electric shock remains even when the AC adapter is unplugged from the socket To prevent electric shock always take off any metal jewelry or accessories such as necklaces bracelets or rings before working on the computer Never work with wet or moist hands 3 Take care not to injury yourself on any edges or corners Cautio...

Page 207: ...the diagnostic tests described in Chapter 2 to determine which FRU is the cause of the fault 5 Do not perform any unnecessary work Always work in accordance with the disassembly and reassembly procedures in this manual 6 Keep parts removed from the computer in a safe place away from the computer where they will not be damaged or interfere with your work 7 Disassembling requires the removal of a la...

Page 208: ...e into the connector Press down on both sides of the pressure plate such that both sides of the plate and connector are at the same height and that the cable is fixed in the correct position Pull the cable to ensure that it is securely connected If the cable is disconnected fromthe connector reconnect it making sure that you lift the pressure plate high enough to insert fully the cable For spring ...

Page 209: ...FRUs correctly and do not have any screws left over Using an incorrect screw may damage the thread or screw head and result in the FRU not being securely fastened in place After installing FRUs check that the computer operates correctly Tools and Equipment For your safety and the safety of the people around you it is important that you use Electrostatic Discharge ESD equipment Correctly utilizing ...

Page 210: ...river is recommended q M2 2mm 0 167 N m 1 7 kgf cm q M2 5 2 5mm 0 294 N m 3 0 kgf cm q M3 3mm 0 549 N m 5 6 kgf cm NOTE To prevent damage to THIN HEAD screws press along the axis of the screwdriver while turning the screw This is because the contact area between the screw and driver is less than for a pan head screw standard pan shaped screw head Grip Color Some screws have a colored grip area to ...

Page 211: ...f the computer easier markings of the kinds of the screws including the types and lengths of the screws are indicated on the computer body Format Screw shape Screw length mm Screw shape B Bind screw F Thin head screw S Super thin head screw T Tapping screw U Other screws Unique screws pan head stud etc Example B6 6mm bind screw ...

Page 212: ...le twist or bend the battery pack 1 Turn off the power of the computer 2 Disconnect the AC adapter and all other external devices from the computer 3 Turn the computer upside down 4 Slide the battery lock in the direction indicated by the arrow to unlock 5 While sliding the battery latchtowards the direction indicated by the arrow pull out the battery pack towards the direction indicated by corres...

Page 213: ...ithium ion battery pack may explode if not fitted operated handled or disposed correctly Collect the spent battery packs Use only the batteries approved by Toshiba NOTE Checkv isually the battery terminals and clean off any dirt with a dry cloth 1 Turnoff the power of the computer 2 Disconnect the AC adapter and all other external devices from the computer 3 Fit the connector of the battery pack t...

Page 214: ... in the PC card manual or the manuals of the computer system you are using 1 Push the eject button It will pop out when you release it Then press the eject button once more to eject the PC card 2 Grasp the PC card and remove it Figure 4 2 Removing PC Card Installing the PC card The following describes the procedure for inserting a PC card See Figure 4 2 1 Make sure the eject button does not stick ...

Page 215: ... the 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 a memory module confirm that the computer is in boot mode Then perform the following procedure See Figure 4 3 4 4 1 Turn the computer upside down 2 Loosen the screw with e ring securing the memory slot cover 3 Remove the memory slot...

Page 216: ... The power must be turned off when you insert a memory module Inserting a memory module with the power on might damage the module or the computer itself When installing only one memory module install it SLOT A Otherwise it might damage the module or the computer itself Never press hard or bend the memory module 2 Install the memory slot coverfrom the front side edge and secure it with the supplied...

Page 217: ...ower must be turned off when you remove the MDC modem Removing an MDC modem with the power on risks damaging the modem or the computer itself 1 Turn the computer upside down 2 Loosen the screw with e ring securing the MDC slot cover and remove the cover 3 Remove the following screws fixing the MDC modem M2x4Z BIND screw x2 4 Lift up the MDC modem to remove it from the connector on the system board...

Page 218: ...nstalling an MDC modem See Figure 4 5 1 Connect the MDC cable to the connector JP1 on the MDC modem 2 Set the MDC modem on the slot and connect the MDC modem to the connector PJ3020 on the system board by pressing it from the top 3 Fix the MDC modem using the following screws M2x4Z BIND screw x2 4 Install the MDC slot cover and secure it with the supplied screw ...

Page 219: ...ving an HDD See Figure 4 6 to 4 8 CAUTION Take care not to press on the top or bottom of the HDD Pressure may cause data loss or damage to the device 1 Turn the computer upside down 2 Remove the following screw fixing the HDD slot cover and raise the cover to remove M2 5x6B THIN BIND screw x1 Figure 4 6 Removing HDD Slot Cover M2 5x6B THIN BIND HDD Slot Cover ...

Page 220: ...ontally the HDD ASSYto disconnect it from the connector and lift up to remove Figure 4 7 Removing HDD ASSY 4 Remove the following screws fixing the HDD M3x4S THIN BIND screw x4 5 Remove the HDD holderfrom the HDD Figure 4 8 Removing HDD HDD slot HDD ASSY M3x4S THIN BIND HDD Holder HDD M3x4S THIN BIND ...

Page 221: ...describes the procedure for installing an HDD See Figure 4 6 to 4 8 1 Install the HDD holderto the HDD with the following screws M3x4S THIN BIND screw x4 2 Put the HDD ASSY into the HDD slot and connect it to the connector 3 Install the HDD slot cover and secure it by using the following screws M2 5x6B THIN BIND screw x1 ...

Page 222: ... card The following describes the procedure for removing the mini PCI card See Figure 4 9 4 10 1 Turn the computer upside down 2 Remove the following screw fixing the mini PCI slot coverand remove the cover M2x4B BIND or LH STICK x1 Figure 4 9 Removing Mini PCI Slot Cover 3 Disconnect two wireless LAN cables from JP1 and JP2 on the mini PCI card 4 Remove two glass tapes and remove the cables from ...

Page 223: ...I card terminals at 45 degree slant into the connector on the computer and press the mini PCI card from the top to secure 2 Pass the black and white wireless LAN cables along the guide and secure them with two glass tapes Connect the wireless LAN cables to the J1 and J2 terminals respectively on the mini PCI card 3 Attach the mini PCI slot cover and secure it with the following screw M2x4B BIND or...

Page 224: ...ng the Cooling fin CPU The following describes the procedure for removing the cooling fin CPU See Figure 4 11 to 4 14 1 Remove the following screws fixing the CPU coverand remove the CPU cover M2 5x14B THIN BIND screw x1 M2 5x18B THIN BIND screw x1 Figure 4 11 Removing CPU Cover M2 5x18B THIN BIND M2 5x14B THIN BIND CPU Cover ...

Page 225: ...U 4 Replacement Procedures Satellite A50 TECRA A2 Maintenance Manual 960 478 4 21 2 Remove the following screws securing the CPU holderon the CPU M2x4B BIND screw x3 Figure 4 12 Removing CPU Holder M2x4B BIND CPU Holder ...

Page 226: ...78 3 Lift up the cooling fin and remove it Figure 4 13 Removing Cooling Fin 4 Unlock the CPU by rotating counterclockwise the cam on the CPU socket by 90 degrees with a flat blade screwdriver in the order shown in the figure below 5 Remove the CPU Figure 4 14 Removing CPU Cooling Fin Opened Closed ...

Page 227: ...low Pay attention to the position of the triangle mark on the CPU Figure 4 15 Installing CPU 3 Fix the CPU by rotating clockwise the cam by 90 degrees with a flat blade screwdriver 4 If there is already silicon grease on the CPU and cooling fin clean it with a cloth Using a special applicator apply quarter of scale 0 25ml of silicon grease evenly on the CPU chip NOTE If silicon grease has already ...

Page 228: ...covers the top of CPU Figure 4 16 Applying Silicon Grease 5 Install the cooling fin 6 Place the CPU holder on the cooling fin with its holes small and large fitted to the bosses of the cooling fin Fix the CPU holder with following screws in the order of the marks 1 to 3 on the CPU holder M2x4B BIND screw x3 7 Install the CPU cover from the front side and secure it with the following screws M2 5x18...

Page 229: ...rd See Figure 4 17 to 4 19 CAUTION As the keytop may fall out when handling the keyboard always hold it by the frame and do not touch the keytop 1 Open the display 2 Hold the both ends of the keyboard holderand lift it up to remove CAUTION When removing the keyboard holder be careful not to touch the metal parts of the speakers under it Figure 4 17 Removing Keyboard Holder Keyboard Holder ...

Page 230: ... BIND screw x2 4 Remove the following screw fixing the keyboard hold plate and remove the keyboard hold plate by pulling it to the right side M2 5 2 8B THIN BIND screw x1 5 Lift the upper side of the keyboard out and bring it a little to the display Then turn it face down on the palm rest Figure 4 18 Removing Keyboard Keyboard Hold Plate M2 5x2 8B THIN BIND ...

Page 231: ...keyboard support plate underneath the keyboard M2 5x8B THIN BIND screw x2 7 Remove the keyboard support plate Figure 4 19 Removing Keyboard Support Plate 8 Unlock the connector and remove the keyboard flexible cable from the connector of the system board Keyboard Support Plate PJ3230 Keyboard Flexible Cable Keyboard M2 5x8B THIN BIND ...

Page 232: ... 5x8B THIN BIND screw x2 3 Turn the keyboard face up while inserting the bottom edge of the keyboard under the chassis Then put it on the computer Make sure that there is no gap between the keyboard and the computer chassis 4 Insert the left side of the keyboard hold plate into the slot of the chassis Set the plate with its hole fitted to the guide pin on the chassis Secure the keyboard hold plate...

Page 233: ...en the display and unlock the connector Disconnect the switch board cable from the connector on the system board 2 Remove the following screw securing the switch board M2 5x2 8B THIN BIND screw x1 3 Slide the switch board to the left and remove it Figure 4 20 Removing Switch Board 4 Unlock the connector and disconnect the switch board cable from the switch board M2 5x2 8B THIN BIND Switch Board PJ...

Page 234: ...installing the switch board See Figure 4 20 1 Connect the switch board cable to the connector PJ3280 on the switch board 2 Place the switch board to the left side of the installation position and slide it to the right to install Thenfix it with the following screw M2 5x2 8B THIN BIND screwx1 3 Connect the switch board cable to the connector PJ3200 on the system board ...

Page 235: ...ame NOTE Do not apply excessive force to the top of an optical drive Removing the Optical drive The following describes the procedure for removing the optical drive See Figure 4 21 4 22 1 Turn the computer face down and remove the following screw securing the DVD ROM drive assembly M2 5x6B THIN BIND screw x1 2 Pull out the DVD ROM drive assembly in the direction indicated by arrow to remove Figure...

Page 236: ...ribes the procedure for installing the optical drive See Figure 4 21 4 22 1 Install the side bracket on the DVD ROM drive and fix it with the following scre w M2x3S SUPER THIN BIND screw x1 2 Place the rear bracket on the DVD ROM drive and fix it with the following screws M2x2 7 STEP screw x2 3 Insert the DVD ROM drive assembly into the slot to connect it to the connector PJ1810 on the system boar...

Page 237: ...edure for removing the display assembly See Figure 4 23 to 4 25 1 Close the display and turn the computer face down 2 Remove the following screws from the bottom of the computer M2 5x6B THIN BIND screw x9 6 in the figure M2 5x14B THIN BIND screw x5 14 in the figure M2 5x18B THIN BIND screw x1 18 in the figure Figure 4 23 Removing Display Assembly 1 18 14 14 14 14 14 6 6 6 6 6 6 6 6 6 ...

Page 238: ...ue Red from the connectors on the system board Unlock the connector and disconnect the touch pad cable from the system board 4 Remove the following screws securing the display assembly M2x8B BIND screw x1 M2 5x8B THIN BIND screw x1 Figure 4 24 Removing Display Assembly 2 PJ6000 LCD Cable PJ5600 Left Speaker Cable Blue PJ6001 Right Speaker Cable Red Touch Pad Cable PJ3260 M2 5x8B THIN BIND M2x8B BI...

Page 239: ...slot near the center of the base assembly NOTE For wireless LAN models only When removing the display assembly be careful not to cut or scratch the wireless LAN cables 6 Unhook the latches between the display assembly and the base assembly Lift the display assembly up and remove it from the base assembly Figure 4 25 Removing Display Assembly 3 Display Assembly Base Assembly ...

Page 240: ...n the base assembly from the rear of the computer and secure them with the following screws M2x8B BIND screw x1 M2 5x8B THIN BIND screw x1 3 Close the display and turn the computer face down Secure the base assembly with the following screws from the bottom M2 5x6B THIN BIND screw x9 6 in the figure M2 5x14B THIN BIND screw x5 14 in the figure M2 5x18B THIN BIND screw x1 18 in the figure 4 Turn th...

Page 241: ...nd board M2 5x4B THIN BIND screw x1 Figure 4 26 Removing Sound Board 3 Unlock the connector and disconnect the sound board cable from the connector on the sound board Installing the Sound Board The following describes the procedure for installing the sound board See Figure 4 26 1 Connect the sound board cable to the connector PJ9510 on the sound board 2 Install the sound board from the side with t...

Page 242: ...4 Replacement Procedures 4 12 Sound Board 4 38 Satellite A50 TECRA A2 Maintenance Manual 960 478 3 Connect the sound board cable to the connector PJ9500 on the system board ...

Page 243: ...d The following describes the procedure for removing the Connector Board See Figure 4 27 4 28 1 Remove the DC IN jack from the slot of the base assembly 2 Remove the following screws to remove the harness holder M2 5x4B THIN BIND screw x2 Figure 4 27 Removing Harness Holder 3 Disconnect the USB I F cable and connector board cable after unlock from the connector on the system board 4 Remove the fol...

Page 244: ...ble to the connector PJ3502 parallel port type or PJ5640 TV jack type of the connector board 3 Pass the DC IN cable along the bosses near rear and USB I F cable along the bosses of the front side Connector the USB I F cable to the connector PJ4610 Parallel port type TV jack type on the connector on the connector board 4 Install the harness holderand secure it with the following screws M2 5x4B THIN...

Page 245: ...stem board 2 Remove the following screws and remove the fan module by raising it up M2 5x4B THIN BIND screw x2 Figure 4 29 Removing Fan Module Installing the Fan The following describes the procedure for installing the fan See Figure 4 29 1 Connect the fan cable to the connector PJ8770 on the system board 2 Install the fan on the base assembly and secure it with the following screws M2 5x4B THIN B...

Page 246: ... DMI information as described in section 3 4 System test Also update with the latest BIOS as described in Appendix G BIOS KBC EC Update After replacing the system board the DMI information must be updated Removing the system board DC IN jack RTC battery The following describes the procedure for removing the system board DC IN jack RTC battery See Figure 4 30 4 31 1 Open insulators bundle the LAN c...

Page 247: ...nd disconnect the connector board cable from the system board 6 Remove the system board from the edge next to the optical drive position from the base assembly 7 Disconnect the DC IN jack cable and USB I F cable from the back of the system board 8 Disconnect the RTC battery cable from the connector on the system board Peel off two glass tapes and disconnect the MODEM cable and the LAN cable Figure...

Page 248: ...d 3 Connect the connector board cable to the connector PJ3502 parallel port type or PJ5640 TV jack type on the system board 4 Connect the DC IN jack cable to the connector PJ8800 and the USB I F cable to PJ4610 on the back of the system board 5 Set the system board on the base assembly from the side with CRT connector 6 Wrap the RTC battery with the RTC battery case and set it in the slot on the b...

Page 249: ... 33 1 While pressing projections of the SB latch buttoninside each other push the SB latch button to the bottom of the base assembly to remove Figure 4 32 Removing SB Latch Button 2 Remove the battery lock L from the base assembly and remove the spring from the battery lock L Figure 4 33 Removing Battery Lock L Base Assembly Projection of the SB latch button Base Assembly Projection Back view SB L...

Page 250: ... 4 32 4 33 1 Set the spring to the battery lock Land install it on the base assembly 2 Install the SB latch button from the bottom of the base assembly and snap their projections to the battery lock L When installing the button make sure the triangle mark on the back side is located in the indicated position After installation slide the latch on the bottom of the base assembly to make sure it work...

Page 251: ...le pressing projections of the battery lock button inside each other push the button to the bottom of the base assembly to remove Figure 4 34 Removing Battery Lock Button 2 Remove the battery lock R from the base assembly and remove the spring from the battery lock R Figure 4 35 Removing Battery Lock R Base Assembly Projection of the battery lock button Base Assembly Projection Back view Battery L...

Page 252: ...e 4 34 4 35 1 Set the spring to the battery lock R and install it on the base assembly 2 Install the battery lock button from the bottom of the base assembly and snap their projections to the battery lock R When installing the button make sure the mark on the back side is located in the indicated position After installation slide the latch on the bottom of the base assembly to make sure it works p...

Page 253: ...the Touch pad The following describes the procedure for removing the touch pad See Figure 4 36 1 Remove the following screws securing the touch pad M2 5x4B THIN BIND screw x6 2 Remove the touch pad and touch pad switchby raising Figure 4 36 Removing Touch Pad M2 5x4B THIN BIND Touch Pad Touch Pad Cable Touch Pad Switch ...

Page 254: ... 960 478 Installing the Touch pad The following describes the procedure for installing the touch pad See Figure 4 36 1 Place the touch pad switch fitting to bosses 2 Place the touch padaccording to the guide pins 3 Secure the touch pad with the following screws M2 5x4B THIN BIND screw x6 ...

Page 255: ...he procedure for removing the LCD unit and FL inverter See Figure 4 37 to 4 40 1 Peel off two mask seals from the front of the display maskand remove the following screws M2 5x6B THIN BIND screw x2 2 Insert your fingers between the display mask and the LCD and remove the display mask after unlatching the display mask Figure 4 37 Removing Display Mask Mask Seal M2 5 6B THIN BIND Display Mask ...

Page 256: ...emove the following screws fixing the LCD unit M2x4Z SUPER THIN BIND screw x4 6 With the bottom edge of the LCD unit resting on the display cover raise the top edge of the LCD unit Peel off the glass tape and disconnect the LCD cable from the connector on the back of the LCD 7 Remove the LCD unit from the display cover Figure 4 38 Removing FL Inverter and LCD Unit M2x4Z SUPER THIN BIND LCD Cable G...

Page 257: ...2x3 SUPER THIN BIND screw x4 Figure 4 39 Removing LCD Bracket 9 For 14 1 inch LCD made by Samsung only Remove the aluminum tape from the LCD module NOTE Do not apply power on ICs under aluminum tape because they are easily broken When discarding broken ICs or FL tube follow regulations of the local area Figure 4 40 Removing Aluminum Tape M2x3C SUPER THIN BIND LCD Bracket M2x3C SUPER THIN BIND Alum...

Page 258: ...For 14 1 inch LCD made by Samsung only Attach the aluminum tape on the LCD unit CAUTION When attaching the aluminum tape be careful with the followings Right of back of the LCD enlarged view Right of side of the LCD enlarged view Left side of side of the LCD enlarged view Bend the aluminum tape to the side Bend the aluminum tape to the side Fit the edge of LCD to the bending line of aluminum tape ...

Page 259: ...al 960 478 4 55 Right side of the LCD enlarged view 2 Secure the LCD brackets to the LCD module with the following screws M2x3C SUPER THIN BIND screw x4 Attach the aluminum tape without cover any part of bar codes above Caution on attaching the aluminum tape Bend the aluminum tape to the top ...

Page 260: ...nect two cables to the connectors CN1 and CN2 on the FL inverter Stick the insulatoron the FL inverter and secure the FL inverter with the following screw Insert the end of the insulator under the LCD unit M2x4Z SUUPER THIN BIND screw x1 6 Install the display mask and engage the latches NOTE When installing the display mask make sure there is no gap between the display mask and the display cover 7...

Page 261: ...the latch assembly in the direction indicated by arrow to remove it from the display cover Figure 4 41 Removing Latch Assembly Installing the Latch Assembly The following describes the procedure for installing the Latch Assembly See Figure 4 41 1 Set the spring on the hook and fit the hook on the slot of display cover 2 Install the hook and latchby fitting projections on the latch to the holes of ...

Page 262: ...rocedure for removing the wireless LAN antenna speaker and hinge See Figure 4 42 to 4 49 1 Wireless LAN models only Peel off five acetate tapes securing the white and the black wireless LAN antenna cables Remove the wireless LAN antennas Turnthe display assembly face down and unhook the wireless LAN antenna cable from the guides Figure 4 42 Removing Speaker Cables Acetate Tape Wireless LAN antenna...

Page 263: ...e 4 43 Removing LCD Cable Holder 3 Remove the following screws securing the display coverto the hinges M2x6C PSP TIGHT screw x4 M1 5x5C SUPER THIN screw x2 4 Remove the display cover from the hinges Figure 4 44 Removing Wireless LAN Antennas LCD Cable Holder M2x4Z SUPER THIN Fit the red line of the LCD cable to the edge of the hinge cap Hinge Cap M2x6C PSP TIGHT M2x6C PSP TIGHT M1 5x5C SUPER THIN ...

Page 264: ...478 5 Remove the following screws securing the hinge caps M2 5x6B THIN BIND screw x2 6 Take out the LCD cable under the insulator 7 Wireless LAN models only Remove the wireless LAN antenna cable Figure 4 45 Removing Hinge Cap M2 5x6B THIN BIND Hinge Cap M2 5x6B THIN BIND Insulator LCD Cable Wireless LAN Antenna Cable ...

Page 265: ...e the following screws securing the optical drive cover from the back of the display assembly To remove the optical drive cover pull it out to the right hinge first M2x2 8B THIN BIND screw x3 M2x4B THIN BIND screw x2 Figure 4 46 Removing Optical Drive Cover M2x2 8B THIN BIND Optical Drive Cover M2x4B THIN BIND M2x4B THIN BIND A ...

Page 266: ...78 9 Remove the following screws securing the hinges to the display assembly M2x4B THIN BIND screw x3 Right 2 Left 1 10 Peel off the glass tapes securing the speaker cables and take out the cable under the insulator Figure 4 47 Removing Hinges 1 Glass Tape M2x4B THIN BIND M2x4B THIN BIND Hinge Insulator Speaker Cable ...

Page 267: ... CAUTION When removing the speakers be careful not to touch the metal part of the speakers It might damage the speakers 12 Peel off four glass tapes and pull out the speaker cable blue to the surface Remove the cable from the guide and remove the left speaker Pull out the right speakerto remove Figure 4 48 Removing Speakers Glass Tape M2 5x6B THIN BIND Left speaker Right speaker Speaker Cable Blue...

Page 268: ...placement Procedures 4 21 Wireless LAN Antenna Speaker Hinge 4 64 Satellite A50 TECRA A2 Maintenance Manual 960 478 13 Shift the hinges inside and pull out them to remove Figure 4 49 Removing Hinges 2 Hinge ...

Page 269: ...ttach sponges on both the side of each speaker Figure 4 50 Attaching Sponges 3 Set the left speakeron the base assembly Pass the left speaker s cable blue along the guide on the surface of the display assembly and toward the back side Secure the cable with four insulators 4 Set the right speaker on the base assembly and pass the speaker cable red toward the back side of the base assembly 5 Hook th...

Page 270: ...hem with five acetate tapes 9 For wireless LAN models only Pass the wireless LAN antenna cables toward the back side of the displayassembly 10 Install the LCD cable and put the LCD cable hold plate on it Secure the plate with the following screw When installing hook the right projection to the edge of the chassis Make sure the red line on the cable comes to the end of the hinge cover Secure the ca...

Page 271: ...Appendices ...

Page 272: ...Appendices App ii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 273: ...pin C 11 C 6 PJ2200 Docking I F connector 240 pin C 13 C 7 PJ2500 Mini PCI I F Connector 124 pin C 17 C 8 PJ3020 MDC I F Connector 30 pin C 19 C 9 PJ3021 Modem Relay Connector 4 pin C 19 C 10 PJ2000 Debug Port Connector 4 pin C 19 C 11 PJ3230 Keyboard I F Connector 34 pin C 20 C 12 PJ3260 Touch Pad I F Connector 4 pin C 20 C 13 PJ3200 Switch Board I F Connector 10 pin C 21 C 14 PJ3502 Parallel Boa...

Page 274: ...7 C 31 PJ9510 System Board I F Connector 18 pin C 27 Switch Board FLKSW C 32 PJ3280 System Board I F Connector 10 pin C 28 Connector Board Parallel Board FLKCP C 33 PJ3502 System Board I F Connector 30 pin C 29 C 34 PJ4613 Parallel I F Connector 25 pin C 30 C 35 PJ4610 USB on System Board Connector 8 pin C 30 C 36 PJ4612 USB I F Connector 1 4 pin C 30 Connector Board TV Board FLKCS C 37 PJ4610 USB...

Page 275: ... A2 Maintenance Manual 960 478 App v Appendix F Wiring Diagrams F 1 F 1 RGB monitor ID Wraparound Connector 15 Pin to 15 Pin F 1 F 2 Parallel Port Wraparound Connector F 1 Appendix G BIOS KBC EC Update G 1 Appendix H Reliability H 1 ...

Page 276: ...C 2 Memory 1 connector pin assignment 200 pin C 5 Table C 3 HDD I F connector pin assignment 44 pin C 9 Table C 4 Optical drive I F connector pin assignment 50 pin C 10 Table C 5 PC card I F connector pin assignment 70 pin C 11 Table C 6 Docking I F connector 240 pin C 13 Table C 7 Mini PCI I F connector pin assignment 124 pin C 17 Table C 8 MDC I F connector pin assignment 30 pin C 19 Table C 9 M...

Page 277: ...ment 3 pin C 26 Table C 29 External Microphone Connector pin assignment 6 pin C 27 Table C 30 Headphone Connector pin assignment 6 pin C 27 Table C 31 System board I F Connector pin assignment 18 pin C 27 Table C 32 System board I F Connector pin assignment 10 pin C 28 Table C 33 System board I F Connector pin assignment 30 pin C 29 Table C 34 Parallel I F Connector pin assignment 25 pin C 30 Tabl...

Page 278: ...Appendices App viii Satellite A50 TECRA A2 Maintenance Manual 960 478 Table D 6 No 124 key scan code D 7 Table D 7 No 126 key scan code D 8 Table H 1 MTBF H 1 ...

Page 279: ...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 280: ...eathing 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 281: ... A 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 282: ...xpose 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 9 Do not disassemble the LCD module Disassembly can cause malfunctions ...

Page 283: ...llite A50 TECRA A2 Maintenance Manual 960 478 A 5 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 284: ...Appendices Apx A Handling the LCD Module A 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 285: ... B Board Layout Appendices Satellite A50 TECRA A2 Maintenance Manual 960 478 B 1 Apx B Appendix B Board Layout B 1 System Board Front View Figure B 1 System board layout front F M N A B C D E F G H I J K L ...

Page 286: ...rd FLKCS connector C PJ3230 Keyboard I F connector D PJ6001 Left Speaker I F connector E PJ6002 Right Speaker I F connector F PJ9500 Sound board FLKSN connector G PJ1800 HDD I F connector H PJ2110 PC card I F connector I PJ2000 Debug Port connector J PJ3260 Touch Pad I F connector K PJ8770 FAN I F connector L PJ5600 LCD I F connector M PJ8810 1st Battery connector N PJ3200 Switch board FLKSW conne...

Page 287: ...Apx B Board Layout Appendices Satellite A50 TECRA A2 Maintenance Manual 960 478 B 3 B 2 System Board Back View Figure B 2 System board layout back A B C D E F G H I J K L M N ...

Page 288: ...ctor B PJ3021 MDC relay connector C PJ4100 Network I F connector D PJ8490 RTC connector E PJ5620 CRT I F connector F PJ4613 USB I F connector G PJ4200 1394 I F connector H PJ2500 Mini PCI I F connector I PJ1400 Memory I F connector 1 J PJ1401 Memory I F connector 2 K PJ1810 ODD I F connector L PJ3020 MDC I F connector M PJ4610 USB I F connector N PJ8800 DC IN I F connector ...

Page 289: ...nce Manual 960 478 B 5 B 3 Sound Board FLKSN Front Back Figure B 3 Sound Board FLKSN layout front back Table B 3 Sound Board FLKSN connectors Mark Number Name A PJ9510 System I F connector B PJ6003 Headphone connector C PJ6000 External microphone connector A B C ...

Page 290: ...Appendices Apx B Board Layout B 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 291: ... O 12 SDM00R B2P I 13 SDQ00R B2P I O 14 SDQ07R B2P I O 15 GND 16 GND 17 SDQ01R B2P I O 18 SDQ06R B2P I O 19 SDQ12R B2P I O 20 SDQ11R B2P I O 21 2R5 B2V I 22 2R5 B2V I 23 SDQ13R B2P I O 24 SDQ10R B2P I O 25 SDQS1R B2P I O 26 SDM01R B2P I 27 GND 28 GND 29 SDQ08R B2P I O 30 SDQ14R B2P I O 31 SDQ09R B2P I O 32 SDQ15R B2P I O 33 2R5 B2V I 34 2R5 B2V I 35 SCK0 B2P I 36 2R5 B2V I 37 SCK0 B2N I 38 GND 39 ...

Page 292: ...B0A B2P I O 73 SCB4A B2P I 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 I 82 2R5 B2V I 83 SCB6A B2P I O 84 SCB7A B2P I O 85 N C 86 N C 87 GND 88 GND 89 2R5 B2V I 90 GND 91 GND 92 2R5 B2V I 93 2R5 B2V I 94 2R5 B2V I 95 SCKE1 B2P I 96 SCKE0 B2P I 97 N C 98 N C 99 SMA12R B2P I 100 SMA11R B2P I 101 SMA09R B2P I 102 SMA08R B2P I 103 GND 104 GND ...

Page 293: ... O 142 SDQ42R B2P I O 143 2R5 B2V I 144 2R5 B2V I 145 SDQ41R B2P I O 146 SDQ47R B2P I O 147 SDQS5R B2P I O 148 SDM05R B2P I 149 GND 150 GND 151 SDQ44R B2P I O 152 SDQ46R B2P I O 153 SDQ45R B2P I O 154 SDQ43R B2P I O 155 2R5 B2V I 156 2R5 B2V I 157 2R5 B2V I 158 SCK1 B2N I 159 GND 160 SCK1 B2P I 161 GND 162 GND 163 SDQ53R B2P I O 164 SDQ55R B2P I O 165 SDQ48R B2P I O 166 SDQ50R B2P I O 167 2R5 B2V ...

Page 294: ...ble C 1 Memory 0 connector pin assignment 200 pin 4 4 Pin No Signal name I O Pin No Signal Name I O 187 SDQ57R B2P I O 188 SDQ59R B2P I O 189 SDQ61R B2P I O 190 SDQ63R B2P I O 191 2R5 B2V I 192 2R5 B2V I 193 SMBDAT P3P I O 194 GND 195 SMBCLK P3P I 196 GND 197 P3V I 198 GND 199 N C 200 N C ...

Page 295: ...00R B2P I O 14 SDQ07R B2P I O 15 GND 16 GND 17 SDQ01R B2P I O 18 SDQ06R B2P I O 19 SDQ12R B2P I O 20 SDQ11R B2P I O 21 2R5 B2V I 22 2R5 B2V I 23 SDQ13R B2P I O 24 SDQ10R B2P I O 25 SDQS1R B2P I O 26 SDM01R B2P I 27 GND 28 GND 29 SDQ08R B2P I O 30 SDQ14R B2P I O 31 SDQ09R B2P I O 32 SDQ15R B2P I O 33 2R5 B2V I 34 2R5 B2V I 35 SCK3 B2P I 36 2R5 B2V I 37 SCK3 B2N I 38 GND 39 GND 40 GND 41 SDQ20R B2P ...

Page 296: ...72 SCB0B B2P I O 73 SCB4B B2P I O 74 SCB1B B2P I O 75 GND 76 GND 77 SDQS8B B2P I O 78 GND 79 SCB2B B2P I O 80 SCB3B B2P I O 81 2R5 B2V I 82 2R5 B2V I 83 SCB6B B2P I O 84 SCB7B B2P I O 85 N C 86 N C 87 GND 88 GND 89 2R5 B2V I 90 GND 91 GND 92 2R5 B2V I 93 2R5 B2V I 94 2R5 B2V I 95 SCKE3 B2P I 96 SCKE2 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...

Page 297: ...I O 142 SDQ42R B2P I O 143 2R5 B2V I 144 2R5 B2V 145 SDQ41R B2P I O 146 SDQ47R B2P I O 147 SDQS5R B2P I O 148 SDM05R B2P I 149 GND 150 GND 151 SDQ44R B2P I O 152 SDQ46R B2P I O 153 SDQ45R B2P I O 154 SDQ43R B2P I O 155 2R5 B2V I 156 2R5 B2V I 157 2R5 B2V I 158 SCK4 B2N I 159 GND 160 SCK4 B2P I 161 GND 162 GND 163 SDQ53R B2P I O 164 SDQ55R B2P I O 165 SDQ48R B2P I O 166 SDQ50R B2P I O 167 2R5 B2V I...

Page 298: ...le C 2 Memory 1 connector pin assignment 200 pin 4 4 Pin No Signal name I O Pin No Signal Name I O 187 SDQ57R B2P I O 188 SDQ59R B2P I O 189 SDQ61R B2P I O 190 SDQ63R B2P I O 191 2R5 B2V I 192 2R5 B2V I 193 SMBDAT P3P I O 194 P3V I 195 SMBCLK P3P I 196 GND 197 P3V I 198 GND 199 N C 200 N C ...

Page 299: ...N O 9 PDA2 P3P O 10 PDA0 P3P O 11 N C 12 PDA1 P3P O 13 N C 14 IRQ14 P3P I 15 GND 16 PDDACK P3N O 17 GND 18 PIORDY P3P I 19 GND 20 PDIOR P3N O 21 GND 22 PDIOW P3N O 23 GND 24 PDDREQ P3P I 25 N C 26 GND 27 PDD15 P3P I O 28 PDD00 P3P I O 29 PDD14 P3P I O 30 PDD01 P3P I O 31 PDD13 P3P I O 32 PDD02 P3P I O 33 PDD12 P3P I O 34 PDD03 P3P I O 35 PDD11 P3P I O 36 PDD04 P3P I O 37 PDD10 P3P I O 38 PDD05 P3P...

Page 300: ...SDD09 P3P I O 9 SDD06 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 P3P 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 33 SDA0 P3P O 34 SDA2 P3P O 35 ...

Page 301: ...YV I 19 ACCLK EYP I O 20 ACIRDY 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 ACAD26 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 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 42 ACAD10...

Page 302: ...enance Manual 960 478 Table C 5 PC Card slot connector pin assignment 70 pin 2 2 Pin No Signal name I O Pin No Signal Name I O 61 ACCBE3 EYN I O 62 ACAUDI EYP O 63 ACSTSC EYP O 64 ACAD28 EYP I O 65 ACAD30 EYP I O 66 ACAD31 EYP I O 67 ACCD2 E3N O 68 GND 69 GND 70 GND ...

Page 303: ... I O 13 DRED PXP I 14 DGREEN PXP I 15 DBLUE PXP I 16 DVSYNC P3P I 17 DVISC P3P 18 Reserved 19 GND 20 DVI PRTCT2 21 DVI PRTCT1 22 DVITX2 P3P 23 DVITX2 P3N 24 DVITX1 P3P 25 DVITX1 P3N 26 DVITX0 P3P 27 DVITX0 P3N 28 GND 29 GND 30 DVITXC P3P 31 DVITXC P3N 32 DVIDET S3N 33 DVIPD1 P3N 34 Reserved 35 QSWON B3P 36 DIRQD S3N 37 GND 38 PCM2SP B3P 39 DPMRST S3N 40 DAD00 P3P 41 GND 42 DAD00 P3P 43 DADO2 P3P 4...

Page 304: ... 73 GND 74 GND 75 GND 76 DHSYNC P3P I 77 DVISD P3P 78 DVI_PRTCT3 79 GND 80 DVITX5 P3P 81 DVITX5 P3N 82 DVITX4 P3P 83 DVITX4 P3N 84 DVITX3 P3P 85 DVITX3 P3N 86 DVI16 87 DVI17 88 GND 89 GND 90 DOC_ON_LED1 91 Reserved 92 DOC_ON_LED2 93 DVIPD0 P3N 94 DVI_PRTCT4 95 DCADIO S3P 96 DSMI B3P 97 GND 98 DCKRUN P3N 99 PME S3P 100 DAD01 P3P 101 GND 102 DAD03 P3P 103 DAD05 P3P 104 DAD07 P3P 105 GND 106 DAD08 P3...

Page 305: ... O 138 DINR PXN I O 139 GND 140 PWRSW S3N O 141 DCD PYP O 142 DSR PYP O 143 TXD PYN I 144 RING BYP O 145 PE P5P O 146 PDB07 P5P I O 147 PDB06 P5P I O 148 GND 149 GND 150 PDB04 P5P I O 151 PDB01 P5P I O 152 PDB02 P5P I O 153 PDB00 P5P I O 154 STROB P5N I 155 DPGNT P3N I 156 DAD30 P3P 157 GND 158 DAD28 P3P 159 DAD26 P3P 160 DAD24 P3P 161 GND 162 DIDSL P3P 163 DAD22 P3P 164 DAD20 P3P 165 GND 166 DCBE...

Page 306: ...DINL PXN I O 198 DINR PXP I O 199 GND 200 RXD PYN O 201 RTS PYP I 202 CTS PYP O 203 DTR PYP I 204 SELCT P5P O 205 BUSY P5P O 206 ACK P5N O 207 PDB05 P5P I O 208 GND 209 GND 210 PDB03 P5P I O 211 SLIN P5N I 212 PINIT P5N I 213 ERROR P5N O 214 AUTFD P5N I 215 DPREQ P3N 216 DAD31 P3P 217 GND 218 DAD29 P3P 219 DAD27 P3P 220 DAD25 P3P 221 GND 222 DCBE23 P3N 223 DAD23 P3P 224 DAD21 P3P 225 GND 226 DCPCL...

Page 307: ... 18 P5V I 19 P3V I 20 PIRQG P3N I O 21 N C 22 N C 23 GND 24 E3V I 25 X33MPC P3P O 26 PCIRS0 S3N O 27 GND 28 P3V I 29 PREQ2 P3N I 30 PGNT2 P3N O 31 P3V I 32 GND 33 AD31 P3P I O 34 PME S3N I 35 AD29 P3P I O 36 N C 37 GND 38 AD30 P3P I O 39 AD27 P3P I O 40 P3V I 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...

Page 308: ...N I 74 GND 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 O 87 AD07 P3P I O 88 P3V i 89 P3V i 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...

Page 309: ... I 17 E3V I 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 C 9 PJ3021 Modem Relay Connector 4 pin Table C 9 Modem relay connector pin assignment 4 pin Pin No Signal name I O Pin No Signal Name I O 1 MDMTIP E3P I O 2 MDMTIP E3P I O 3 MDMRNG E3P I O 4 MDMRNG E3P I O C 10 PJ2000 Debug Port Connector 4 pin Table...

Page 310: ...C04 S3N O 10 KBSC05 S3N O 11 KBSC06 S3N O 12 KBRT00 S3N O 13 KBSC07 S3N O 14 KBSC08 S3N O 15 KBSC09 S3N O 16 KBRT01 S3N O 17 KBRT02 S3N O 18 KBRT03 S3N O 19 KBSC10 S3N O 20 KBSC11 S3N O 21 KBRT04 S3N O 22 KBRT05 S3N O 23 KBSC12 S3N O 24 KBSC13 S3N O 25 KBRT06 S3N O 26 KBRT07 S3N O 27 KBSC14 S3N O 28 KBSC15 S3N O 29 P5V I 30 N C 31 N C 32 N C 33 N C 34 P5V I C 12 PJ3260 Touch Pad I F Connector 4 pi...

Page 311: ... GND 10 PNLOFF S3N O C 14 PJ3502 Parallel Board I F Connector 25 pin Table C 14 Parallel board I F connector pin assignment 25 pin Pin No Signal Name I O Pin No Signal name I O 1 GND 2 GND 3 GND 4 GND 5 GND 6 STROB P5N I 7 PDB00 P5P I O 8 PDB01 P5P I O 9 PDB02 P5P I O 10 PDB03 P5P I O 11 PDB04 P5P I O 12 PDB05 P5P I O 13 PDB06 P5P I O 14 PDB07 P5P I O 15 GND 16 GND 17 ACK P5N I 18 BUSY P5P I 19 PE...

Page 312: ... 10 BIDCP EXP I O 11 BIDAP EXP I 12 BIDAN EXN I 13 BIDBP EXP O 14 BIDBN EXN O C 16 PJ4200 1394 I F Connector 4 pin Table C 16 1394 I F connector pin assignment 4 pin Pin No Signal name I O Pin No Signal Name I O 1 TPBO P3N I O 2 TPBO P3P I O 3 TPAO P3N I O 4 TPAO P3P I O C 17 PJ4610 USB on Connector Board Connector 8 pin Table C 17 USB on connector board connector pin assignment 8 pin Pin No Signa...

Page 313: ...gnment 41 pin Pin No Signal name I O Pin No Signal Name I O 1 GND 2 GND 3 TXDTA0 PYP I 4 TXDTA0 PYN O 5 TXDTA1 PYP I 6 TXDTA1 PYN O 7 GND 8 TXDTA2 PYP I 9 TXDTA2 PYN O 10 TXCLKA PYP I 11 TXCLKA PYN O 12 GND 13 TXDTB0 PYP I 14 TXDTB0 PYN O 15 TXDTB1 PYP I 16 TXDTB1 PYN O 17 GND 18 TXDTB2 PYP I 19 TXDTB2 PYN O 20 TXCLKB PYP I 21 TXCLKB PYN O 22 GND 23 GND 24 N C 25 PNL P3V I 26 PNL P3V I 27 N C 28 G...

Page 314: ...name I O Pin No Signal Name I O 1 MRED PXP I 2 MGREEN PXP I 3 MBLUE PXP I 4 N C 5 GND 6 GND 7 GND 8 GND 9 DDC P5V I 10 GND 11 N C 12 CRTSDA P5P I O 13 MHSYNC P3P I O 14 MVSYNC P3P I O 15 CRTSCL P5P I O C 21 PJ5640 TV Board I F Connector 5 pin Table C 21 TV board I F connector pin assignment 5 pin Pin No Signal name I O Pin No Signal Name I O 1 GND 2 CHROMA PYP I 3 GND 4 LUMINA PYP I 5 GND ...

Page 315: ...pin Table C 23 Speaker connector right pin assignment 2 pin Pin No Signal name I O Pin No Signal Name I O 1 SPOUT R I 2 SPOUT R I C 24 PJ9500 Sound Board I F Connector 18 pin Table C 24 Sound Board I F connector pin assignment 18 pin Pin No Signal name I O Pin No Signal Name I O 1 A GND 2 A GND 3 A GND 4 LOUTL PXP I 5 VROUTL PXP O 6 A4R7 P4V I 7 A4R7 P4V I 8 VROUTR PXP O 9 LOUTR PXP I 10 A GND 11 ...

Page 316: ...st Battery connector pin assignment 10 pin Pin No Signal name I O Pin No Signal Name I O 1 CHGVL O 2 BTMP1 O 3 DCHG I 4 M5V I 5 PSCL S5P O 6 PSDA S5P O 7 GND 8 DBT10V S5N O 9 GND 10 GND C 27 PJ8490 RTC Battery Connector 3 pin Table C 27 RTC Battery connector pin assignment 3 pin Pin No Signal name I O Pin No Signal Name I O 1 R3V O 2 N C 3 GND C 28 PJ8770 FAN I F Connector 3 pin Table C 28 FAN I F...

Page 317: ...nector 6 pin Table C 30 Headphone Connector pin assignment 6 pin Pin No Signal name I O Pin No Signal Name I O 1 A GND 2 HEADL PXP O 3 HEADR PXP O 4 A GND 5 SPKEN P5N O 6 N C C 31 PJ9510 System Board I F Connector 18 pin Table C 31 System board I F Connector pin assignment 18 pin Pin No Signal name I O Pin No Signal Name I O 1 A GND 2 A GND 3 A GND 4 MICIN PXP I 5 MMREFV P2V I 6 SPKEN P5N I 7 HEAD...

Page 318: ...8 Switch Board FLKSW C 32 PJ3280 System Board I F Connector 10 pin Table C 32 System board I F Connector pin assignment 10 pin Pin No Signal name I O Pin No Signal Name I O 1 GND 2 GND 3 GND 4 GPBTND S3N I 5 GPBTNC S3N I 6 GPBTNB S3N I 7 GPBTNA S3N I 8 PWRSW S3N I 9 GND 10 PNLOFF S3N I ...

Page 319: ... assignment 30 pin Pin No Signal Name I O Pin No Signal name I O 1 GND 2 GND 3 GND 4 GND 5 GND 6 STROB P5N O 7 PDB00 P5P I O 8 PDB01 P5P I O 9 PDB02 P5P I O 10 PDB03 P5P I O 11 PDB04 P5P I O 12 PDB05 P5P I O 13 PDB06 P5P I O 14 PDB07 P5P I O 15 GND 16 GND 17 ACK P5N I 18 BUSY P5P I 19 PE P5P I 20 SELCT P5P I 21 AUTFD P5N O 22 ERROR P5N I 23 PINIT P5N O 24 SLIN P5N O 25 PRTDET 26 GND 27 GND 28 GND ...

Page 320: ...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 35 PJ4610 USB on System Board Connector 8 pin Table C 35 USB on system board connector pin assignment 8 pin Pin No Signal name I O Pin No Signal Name I O 1 GND 2 USBP0 S3N I O 3 USBP0 S3P I O 4 USBP0 4 I O 5 USBP0 5 I O 6 N C 7 N C 8 GND C ...

Page 321: ...N I O 3 USBP0 S3P I O 4 USBP0 4 I O 5 USBP0 5 I O 6 USBP3 S3N I O 7 USBP3 S3P I O 8 USBP3 8 I O C 38 PJ4612 USB I F Connector 1 4 pin Table C 38 USB I F Connector 1 pin assignment 4 pin Pin No Signal name I O Pin No Signal Name I O 1 USBP0 4 5 I O 2 USBP0 S3N I O 3 USBP0 S3P I O 4 USBP0 1 I O C 39 PJ4611 USB I F Connector 2 4 pin Table C 39 USB I F Connector 2 pin assignment 4 pin Pin No Signal na...

Page 322: ...nnector 5 pin Table C 40 System board I F Connector pin assignment 5 pin Pin No Signal name I O Pin No Signal Name I O 1 GND 2 CHROMA O 3 GND 4 LUMINANCE O 5 GND C 41 PJ5641 TV Connector 4 pin Table C 41 TV Connector pin assignment 4 pin Pin No Signal name I O Pin No Signal Name I O 1 GND 2 GND 3 LUMINANCE I 4 CHROMA I ...

Page 323: ...03 83 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...

Page 324: ... 1B 33 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 ...

Page 325: ... 76 Del E0 53 E0 D3 E0 71 E0 F0 71 1 79 E0 4B E0 CB E0 6B E0 F0 6B 1 80 Home E0 47 E0 C7 E0 6C E0 F0 6C 1 81 End E0 4F E0 CF E0 69 E0 F0 69 1 83 E0 48 E0 C8 E0 75 E0 F0 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...

Page 326: ... 58 D8 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 co...

Page 327: ...A E0 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 ...

Page 328: ...0 F0 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 ...

Page 329: ...4B CB 6B F0 6B 24 I 5 4C CC 73 F0 73 25 O 6 4D CD 74 F0 74 26 P 4A CA 7B F0 7B 37 J 1 4F CF 69 F0 69 38 K 2 50 D0 72 F0 72 39 L 3 51 D1 7A F0 7A 40 4E CE 79 F0 79 52 M 0 52 D2 70 F0 70 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...

Page 330: ... D 8 Satellite A50 TECRA A2 Maintenance Manual 960 478 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 331: ... E Key Layout Appendices Satellite A50 TECRA A2 Maintenance Manual 960 478 E 1 Apx E Key Layout Appendix E Key Layout E 1 Keyboard Layout Figure E 1 Keyboard layout for UK Figure E 2 Keyboard layout for US ...

Page 332: ...Appendices Apx E Key Layout E 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 333: ...A2 Maintenance Manual 960 478 F 1 Apx F Appendix F Wiring Diagrams F 1 RGB Monitor ID Wraparound Connector 15 pin to 15 pin Figure F 1 RGB monitor ID wraparound connector F 2 Parallel Port Wraparound Connector Figure F 2 Parallel port wraparound connector ...

Page 334: ...Appendices Apx F Wiring Diagrams F 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 335: ...the power of the computer while pressing the following keyuntil the power LED blinks For BIOS update tilde key See the following pictures US UK For KBC or EC update Tab When the update is completed the message will appear and the beep will sound Then the power of the computer is turned off Make sure of the update using the T D NOTE Do not turn off the power of the computer during update Otherwise ...

Page 336: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

Page 337: ...tenance Manual 960 478 H 1 Apx H Reliability Appendix H Reliability The following table shows the MTBF Mean Time Between Failures of system Table H 1 MTBF Component Time hours System Docking port is not supported 6 822 System Docking port is supported 6 873 ...

Page 338: ...Appendices Apx H Reliability H 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...

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