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Toshiba Tecra A3-S711 Maintenance Manual
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Toshiba Tecra A3-S711 Maintenance Manual

Toshiba Tecra A3-S711 Maintenance Manual

Maintenance manual
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Toshiba Personal Computer
TECRA A3/S2
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Summary of Contents for Toshiba Tecra A3-S711

  • Page 1 Toshiba Personal Computer TECRA A3/S2 Maintenance Manual TOSHIBA CORPORATION...
  • Page 2 © 2004 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the information contained herein.
  • Page 3 NOTE: ...“Note” contains general information that relates to your safe maintenance service. Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly.
  • Page 4 The manual is divided into the following parts: Chapter 1 ..........................Hardware Overview describes the Tecra A3/S2 Series system unit and each FRU. Chapter 2 ..........................Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 ..........................Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service.
  • Page 5 Conventions This manual uses the following forma ts to describe, identify, and highlight terms and operating procedures. Acronyms On the first appearance and whenever necessary for clarification acronyms are enclosed in parentheses following their definition. For example: Read Only Memory (ROM) Keys Keys are used in the text to describe many operations.

  • Page 6: Table Of Contents

    Table of Contents Chapter 1 Hardware Overview Features ..........................1-1 System Unit........................1-5 2.5-inch Hard Disk Drive....................1-9 Removable Drives......................1-10 Power Supply ......................... 1-16 Batteries ......................... 1-18 Chapter 2 Troubleshooting Procedures Troubleshooting Introduction ....................Troubleshooting Flowchart....................Power Supply Troubleshooting....................Display Troubleshooting...................……….
  • Page 7 Chapter 3 Tests and Diagnostics The Diagnostic Test ....................... Executing the Diagnostic Test ....................Config Check Test ......................... DMI Check Test........................PIO Loopback Test ........................ Speaker Audio Test ........................ Fan ON/OFF Test ........................Main Battery Charge Test...................... 3.10 FDD Test..........................3.11 CD-ROM Test........................
  • Page 8 Chapter 4 Replacement Procedures General..........................4-1 Battery..........................4-7 PC Card..........................4-8 HDD..........................4-9 Optical Drive Module ....................4-12 Optical Drive........................4-13 Wireless LAN ........................ 4-15 Expansion Memory......................4-17 Keyboard ........................4-21 4.10 Bluetooth........................4-21 4.11 Modem........................... 4-25 4.12 Display Assembly ......................4-26 4.13 Top Cover ........................
  • Page 9 Appendices Appendix A Handling the LCD Module ................. A-1 Appendix B Board Layout ......................B-1 Appendix C Pin Assignments....................C-1 Appendix D Keyboard Scan/Character Codes ................ D-1 Appendix E Key Layout ......................E-1 Appendix F Series Screw Torque List ..................F-1 Appendix G Reliability......................G-1 Tecra A3/S2 Maintenance Manual...

  • Page 10: Chapter 1 Hardware Overview

    Chapter 1 Hardware Overview...
  • Page 11 1 Hardware Overview 1-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 12 1 Hardware Overview Chapter 1 Contents Features ........................1-5 System Unit......................1-10 2.5-inch Hard Disk Drive..................1-14 Removable Drives....................1-15 1.4.1 DVD-R/-RW Drive ........Error! Bookmark not defined. 1.4.2 DVD-ROM Drive..................1-15 1.4.3 CD-ROM Drive ..................1-15 1.4.4 DVD±R/±RW Drive ................. 1-15 1.4.5 DVD Super Multi Drive ................1-17 Power Supply ......................1-15 Batteries ........................1-21 1.6.1...
  • Page 13 1 Hardware Overview 1-iv Tecra A3/S2 Series Maintenance Manual...

  • Page 14: Features

    1.2 System Unit 1 Hardware Overview Features The TECRA A3/S2 Series Personal Computer uses extensive Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide compact size, minimum weight and high reliability. This computer incorporates the following features and benefits: ? CPU Intel Celeron M CPU up to 1.5GHZ 0.09u, 1M L2, FSB 400MHz Intel Pentium M CPU up to 2.13GHz 0.09u, 2M L2, FSB 533MHz...
  • Page 15 1 Hardware Overview 1.2 System Unit ? BIOS 1MB Flash ROM for system BIOS. a) Suspend to RAM/Disk. b) Password protection (System). c) Various hot key for system control. d) Refreshable e) ACPI compliant BIOS ? Power 12-cell Li-Ion smart battery pack with 10.8V*8600mAh capacity or 6-cell Li-Ion smart battery pack with 10.8V*4300mAh capacity (depending on the models).

  • Page 16: System Unit

    1.2 System Unit 1 Hardware Overview ? Keyboard An easy-to-use 87-key keyboard provides a numeric keypad overlay for fast numeric data entry or for cursor and page control. It supports software that uses a 101- or 102-key ® enhanced keyboard. Includes one Windows key and one Application key.
  • Page 17 1 Hardware Overview 1.2 System Unit ? PCMCIA Card Organization Accommodate one type II device for TECRA A3 or two type II devices/one type III device for TECRA S2. SRAM, OTPROM, FLASH ROM, mask ROM memory card up to 64MB MODEM/LAN card Card bus card ACPI 1.0 Compliant...
  • Page 18 The computer comes with an RJ-45 Local Area Network (LAN) port. The LAN port provides connectivity for LAN. ? Switch buttons Power button TOSHIBA Assist Button You can associate an application to this button for automatic launch. TOSHIBA Presentation Button This button allows the user to switch between the LCD and LCD/CRT (or projector).

  • Page 19: System Unit

    1 Hardware Overview 1.2 System Unit System Unit The system unit is composed of the following major components: ? Processor Intel Celeron M CPU up to 1.5GHz 0.09u, 1M L2, FSB 400MHz Intel Pentium M CPU up to 2.13GHz 0.09u, 2M L2, FSB 533MHz Micro FC-PGA package CPU ? System Logic Intel 915PM (Alviso-PM)/ Intel 915GM (Alviso-GM) (400/533 MHz FSB...
  • Page 20 1.2 System Unit 1 Hardware Overview High Speed 16C550A Compatible UARTs with Send/Receive 16-Byte FIFO Supports 230k and 460k Baud Programmable Baud Rate Generator Modem Control Circuitry Infrared Communications Controller IrDA v1.2 (4Mbps), HPSIR, ASKIR, Consumer IR Support 1 IR Ports 96 Base I/O Address, 15 IRQ Options and 3 DMA Options Multi-Mode Parallel Port with ChiProtect Standard Mode IBM PC/XT, PC/AT,...
  • Page 21 1 Hardware Overview 1.2 System Unit HRTF 3D positional audio. 3D Stereo Enhancement. TI PCI7411 Card Bus Host Adapter 3.3V operation with 5V Tolerance The PCI7411 controller is availble in the 288-terminal MicroStar BGA package(GHK). Compliant with ? PCI Local Bus Specification, Revision 2.3. ? PCI Bus Power Management Interface Specification Revision 1.1 ? Windows Logo Program 2.0 compliant.
  • Page 22 1.2 System Unit 1 Hardware Overview Marvell 88E8053 for Giga LAN PCI Express base specification 1.0a compliant x1 PCI Express interface with 2.5 GHz signaling Advanced error reporting Message signaled interrupts Configurable 48 KB deep buffer On-chip VLAN insertion and removal TCP, IP, UDP Checksum offload Compliant to 802.3x flow control support 10/100/1000 IEEE 802.3 compliant...

  • Page 23: Inch Hard Disk Drive

    1 Hardware Overview 1.3 2.5-inch Hard Disk Drive 2.5-inch Hard Disk Drive The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5- inch magnetic disk and mini-Winchester type magnetic heads. The computer supports a 30/ 40/ 60/ 80/ 100/ 120GB HDD.

  • Page 24: Removable Drives

    DVD-ROM drive CD-RW/DVD-ROM drive DVD±R/±RW drive DVD Super Multi drive CD-ROM driver 1.4.1 DVD-ROM Drive The DVD-ROM drive (Toshiba SD-C2712) accommodates either 12cm (4.72- inch) or 8cm (3.15-inch) CDs or DVDs. Transfer rates DVD-ROM Maximum 8 times faster rotational speed CD-ROM...
  • Page 25 Video CD CD-RW Photo CD CD-R 1.4.3 CD-RW/DVD-ROM Drive The CD-RW/DVD-ROM combo drive (Toshiba TS-L462A, Matsushita UJDA760 or TEAC DW-224E) is capable of driving either 12cm (4.72-inch) or 8cm (3.15- inch) DVDs and CDs without using an adaptor. Read speeds DVD-ROM...

  • Page 26: Dvd±R/±Rw Drive

    DVD+R DVD+RW 1.4.5 DVD Super Multi Drive The DVD Super Multi Drive (Toshiba TS-L632A, Matsushita UJ-830B, UJ-831B or TEAC DV- W28E) is capable of driving either 12cm (4.72- inch) or 8cm (3.15- inch) DVDs and CDs without using an adaptor.

  • Page 27: Power Supply

    1 Hardware Overview 1.5 Power Supply DVD-RAM Standard rotational speed Write speeds CD-R Maximum 24 times faster rotational speed CD-RW Maximum 10 times(High/Ultra Speed) faster rotational speed DVD-R Maximum 8 times faster rotational speed DVD-RW Maximum 4 times faster rotational speed DVD+R Maximum 8 times faster rotational speed DVD+RW...

  • Page 28: Power Supply

    1.5 Power Supply 1 Hardware Overview Power Supply The power supply supplies seven different voltages to the system board and performs the following functions: 1. A/D conversion The EC uses 8-bit sampling for A/D conversion to determine the following values: AC adaptor current Battery and temperature 2.
  • Page 29 1 Hardware Overview 1.5 Power Supply 6. Power ON/OFF sequence When power is turned on or off, the EC starts the power on or off sequence. SQ0-4 = power ON sequence SQ5-B = power OFF sequence 7. Battery charging control The EC controls the following.

  • Page 30: Batteries

    1.6 Batteries 1 Hardware Overview Batteries The computer has two types of battery: ? Main battery pack (18650 size) ? RTC battery The removable main battery pack is the computer’s main power source when the AC adaptor is not attached. The battery specifications are listed in the table below.

  • Page 31: Rtc Battery

    1 Hardware Overview 1.6 Batteries NOTES The time required for normal charge is affected by the amount of power the system is consuming. Use of the fluorescent lamp and frequent disk access diverts power and lengthens the charge time. Using quick charge, the power supply microprocessor automatically stops the charge after eight hours regardless of the condition of the battery.

  • Page 32: Chapter 2 Troubleshooting Procedures

    Chapter 2 Troubleshooting Procedures...
  • Page 33 2 Troubleshooting Procedures 2-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 34 2 Troubleshooting Procedures Chapter 2 Contents Troubleshooting Introduction ..................2-1 Troubleshooting Flowchart..................2-2 Power Supply Troubleshooting.................. 2-7 Display Troubleshooting................……….2-12 Keyboard Troubleshooting ..................2-15 External USB Devices Troubleshooting ..............2-17 TV-Out Failure Troubleshooting ................2-19 Printer Port Troubleshooting..................2-21 TouchPad Troubleshooting ..................2-23 2.10 Speaker Troubleshooting ..................
  • Page 35 2 Troubleshooting Procedures Figures Figure 2-1 Troubleshooting flowchart (1/2)..............2-3 Figure 2-1 Troubleshooting flowchart (2/2)..............2-4 Figure 2-2 Power Supply Troubleshooting Process ............2-7 Figure 2-3 Display troubleshooting process..............2-12 Figure 2-4 Keyboard troubleshooting process ...............2-15 Figure 2-5 External USB device troubleshooting process ..........2-17 Figure 2-6 TV-out troubleshooting process ..............2-19 Figure 2-7...

  • Page 36: Troubleshooting Introduction

    2.1 Troubleshooting Introduction 2 Troubleshooting Procedures Troubleshooting Introduction Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is causing the computer to malfunction. The FRUs covered are: 1. Display 6. Printer (parallel) port 11. PCMCIA unit 2.

  • Page 37: Troubleshooting Flowchart

    Ask the user if a password is registered and, if it is, ask him or her to enter the password. Verify with the customer that Toshiba Windows XP is installed on the hard disk. Operating systems that were not preinstalled by Toshib a can cause the computer to malfunction.

  • Page 38: Figure 2-1 Troubleshooting Flowchart (1/2)

    Troubleshooting procedures in section 2.3 Y e s P e r f o r m t h e D i s p l a y Is the "Toshiba" logo message display? Troubleshooting procedures in section 2.4 Y e s I f t h e " p a s s w o r d " m e s s a g e d i s p l a y s , t y p e t h e p a s s w o r d , t h e n p r e s s E n t e r .

  • Page 39: Figure 2-1 Troubleshooting Flowchart (2/2)

    2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Perform the Keyboard Does typed characters appear correctly? Troubleshooting procedures in section 2.6 Insert the diagnostics disk into the FDD. Then run the diagnostics test program. Perform the FDD Is the diagnostics test loaded? Troubleshooting procedures in section 2.5 Allow each test to perform...
  • Page 40 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures If the diagnostics program cannot detect an error, the problem may be intermittent. The test program should be executed several times to isolate the problem. When a problem has been located, perform the appropriate troubleshooting procedures as follows: 1.
  • Page 41 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Other problems that are not covered by the diagnostics program may be discovered by a user. 1. If an error is detected when using an external USB device, perform the External USB Devices Troub leshooting procedures in Section 2.6. 2.

  • Page 42: Power Supply Troubleshooting

    2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Power Supply Troubleshooting S TAR T Check Power Supply Status (Procedure 1) Are the DC-IN and Replace adaptor / battery Battery LEDs lit? (Procedure 2) Check power supply connections (Procedure 3) Can you turn the Run diagnostic program computer on? (Procedure 4)

  • Page 43: Table 2-1 Battery Led

    2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting The power supply controls many functions and components. To determine if the power supply is functioning properly, start with Procedure 1 and continue with the other Procedures as instructed. The flowchart in Figure 2-2 gives a summary of the process. The procedures described in this section are: Procedure 1: Power status check Procedure 2: Adaptor / battery replacement...

  • Page 44: Table 2-2 Dc-In Led

    2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Table 2-2 DC-IN LED AC-IN LED Power supply status Solid on AC power exists (LED is solid green). No AC power exists. To check the power supply status, install a battery pack and connect an AC adaptor to the DC-IN port on the computer and to a power supply.
  • Page 45 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Procedure 3 Power supply connection check The power supply wiring diagram is shown below: AC adaptor cord AC power cord System Battery adaptor board Any of the connectors may be disconnected. Perform Check 1. Check 1 Disconnect the AC power cord from wall outlet.
  • Page 46 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Procedure 4 Diagnostic check The power supply may not charge the battery pack. Perform the following procedures: 1. Reinstall the battery pack. 2. Attach the AC adaptor and turn on the power. If you cannot turn on the power, go to Procedure 5.

  • Page 47: Display Troubleshooting

    2 Troubleshooting Procedures 2.4 Display Troubleshooting Display Troubleshooting S T A R T P e r f o r m e x t e r n a l d i s p l a y c h e c k ( P r o c e d u r e 1 ) D o e s t h e e x t e r n a l d i s p l a y f u n c t i o n o k ?
  • Page 48 2.4 Display Troubleshooting 2 Troubleshooting Procedures This section describes how to determine if the computer’s display is functioning properly. The process is outlined in Figure 2-3. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: External display check Procedure 2: Diagnostic check Procedure 3: Connector and replacement check Procedure 1...
  • Page 49 2 Troubleshooting Procedures 2.4 Display Troubleshooting Procedure 3 Connector and replacement check The FL inverter board, LCD module, and system board are connected to the display circuits. Any of these components may be damaged. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks: Check 1 Make sure the DDR RAM module is seated properly.

  • Page 50: Keyboard Troubleshooting

    2.5 Keyboard Troubleshooting 2 Troubleshooting Procedures Keyboard Troubleshooting S T A R T P e r f o r m e x t e r n a l k e y b o a r d c h e c k ( P r o c e d u r e 1 ) D o e s t h e e x t e r n a l k e y b o a r d f u n c t i o n o k ?
  • Page 51 2 Troubleshooting Procedures 2.5 Keyboard Troubleshooting To determine if the computer’s keyboard is functioning properly, perform the following procedures. Figure 2-5 outlines the process. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: External keyboard check Procedure 2: Diagnostic check Procedure 3: Connector and replacement check Procedure 1...

  • Page 52: External Usb Devices Troubleshooting

    2.6 External USB Devices Troubleshooting 2 Troubleshooting Procedures External USB Devices Troubleshooting S T A R T P e r f o r m e x t e r n a l d e v i c e a n d c o n n e c t i o n c h e c k ( P r o c e d u r e 1 ) D o e s t h e d e v i c e f u n c t i o n...
  • Page 53 2 Troubleshooting Procedures 2.6 External USB Devices Troubleshooting To determine if the computer’s external USB devices are functioning properly, perform the following procedures. Figure 2-6 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: External device and connection check Procedure 2: Replace system board Procedure 1 External device and connection check...

  • Page 54: Tv-Out Failure Troubleshooting

    2.7 TV-Out Failure Troubleshooting 2 Troubleshooting Procedures TV-Out Failure Troubleshooting S T A R T P e r f o r m T V c o n n e c t i o n c h e c k ( P r o c e d u r e 1 ) D o e s r e p l a c e m e n t T V c a b l e R e p l a c e T V c a b l e f u n c t i o n p r o p e r l y ?
  • Page 55 2 Troubleshooting Procedures 2.7 TV-Out Failure Troubleshooting To determine if the computer’s TV-out port is functioning properly, perform the following procedures. Figure 2-7 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: TV connection check Procedure 2: TV set check Procedure 1 TV connection check The TV cable may be damaged or the connections may be loose.

  • Page 56: Printer Port Troubleshooting

    2.8 Printer Port Troubleshooting 2 Troubleshooting Procedures Printer Port Troubleshooting START Perform diagnostic check (Procedure 1) Does the print port function ok? Perform print port loopback check (Procedure 2) Print port is not Was a print port faulty continue problem detected? troubleshooting refer to Figure 2.1 Replace system board...
  • Page 57 2 Troubleshooting Procedures 2.8 Printer Port Troubleshooting To determine if the computer’s printer (parallel) port is functioning properly, perform the following procedures. Figure 2-8 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: Diagnostic check Procedure 2: Printer port loopback check Procedure 3: Replace system board Procedure 1 Diagnostic check...

  • Page 58: Touchpad Troubleshooting

    2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures TouchPad Troubleshooting START TouchPad connection check (Procedure 1) TouchPad replacement check (Procedure 2) Replace system board Figure 2-8 TouchPad troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-23...
  • Page 59 2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting To determine if the computer’s built- in TouchPad is functioning properly, perform the following procedures. Figure 2-9 outlines the process. Start with Procedure 1 and continue as instructed. Procedure 1: TouchPad connection check Procedure 2: TouchPad replacement check Procedure 1 TouchPad connection check The TouchPad is connected via the TouchPad FPC to the system board.

  • Page 60: Speaker Troubleshooting

    2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.10 Speaker Troubleshooting START Perform audio source test (Procedure 1) Speakers are not Do all sources have faulty. Continue same problem? troubleshooting - see Figure 2-1 Perform earphone test (Procedure 2) Do earphones function correctly? Perform connection check (Procedure 3)
  • Page 61 2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting To determine if the computer’s built- in speakers are functioning properly, perform the following procedures. Figure 2-10 outlines the process. First adjust the speaker volume to an appropriate level. Start with Procedure 1 and continue as instructed. Procedure 1: Audio source test Procedure 2: Earphone test Procedure 3: Connection check...

  • Page 62: Modem Troubleshooting

    2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.11 Modem Troubleshooting START Perform telephone line connection check (Procedure 1) Check / replace Computer unable to telephone line and detect telephone signal? connections Perform connection check (Procedure 2) Perform replacement check (Procedure 3) Replace system board Figure 2-11 Modem troubleshooting process Tecra A3/S2 Series Maintenance Manual...
  • Page 63 2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting This section describes how to determine if the computer's modem is functioning properly. Figure 2-12 outlines the process. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: Telephone line connection check Procedure 2: Modem card connection check Procedure 3: Modem card replacement check...

  • Page 64: Pcmcia Troubleshooting

    2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.12 PCMCIA Troubleshooting START Perform SYCARD test (Procedure 1) Do errors occur during PCMCIA unit is SYCARD test? not faulty. Perform PCMCIA socket replacement check (Procedure 2) Replace system board Figure 2-12 PCMCIA troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-29...
  • Page 65 2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting This section describes how to determine if the PCMCIA card player is functioning properly. The process is summarized in Figure 2-13. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: Sycard test Procedure 2: PCMCIA socket replacement check Procedure 1...

  • Page 66: Ieee 1394 Troubleshooting

    2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.13 IEEE 1394 Troubleshooting START Perform IEEE 1394 device check (Procedure 1) Is IEEE 1394 transmission ok? Perform diagnostic check (Procedure 2) IEEE 1394 port and transmission are not Was an IEEE 1394 problem detected? faulty.
  • Page 67 2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting To determine if the computer’s IEEE 1394 system is functioning properly, perform the following procedures. Figure 2-14 outlines the process. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: IEEE 1394 device check Procedure 2: Diagnostic check Procedure 3: Connection and replacement check Procedure 1...
  • Page 68 2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures Check 4 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Tecra A3/S2 Series Maintenance Manual 2-33...

  • Page 69: Wireless Lan Troubleshooting

    2 Troubleshooting Procedures 2.10 Speaker Troubleshooting 2.14 Wireless LAN Troubleshooting START Perform diagnostic test (Procedure 1) Wireless LAN system is not faulty. Continue Was a wireless LAN problem delected? troubleshooting - refer to Figure 2.1 Perform connector and replacement check (Procedure 2) Replace wireless LAN antenna/unit Replace system board...
  • Page 70 2.10 Speaker Troubleshooting 2 Troubleshooting Procedures The wireless LAN antenna wire, wireless LAN unit or system board may each be the source of a wireless LAN fault. Any of these components may be damaged. To determine if the computer’s wireless LAN system is functioning properly, perform the following procedures. Figure 2-15 outlines the process.
  • Page 71 2 Troubleshooting Procedures 2.10 Speaker Troubleshooting 2-36 Tecra A3/S2 Series Maintenance Manual...
  • Page 72 Chapter 3 Tests and Diagnostics...
  • Page 73 3. Tests and Diagnostics 3-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 74 Test and Diagnostic Operation Contents The Diagnostic Test......................3-1 Executing the Diagnostic Test ..................... 3-3 Config Check Test......................3-7 DMI Check Test........................ 3-8 PIO Loopback Test......................3-9 Speaker Audio Test ......................3-11 Fan ON/OFF Test......................3-12 Main Battery Charge Test ....................3-13 3.10 FDD Test ........................
  • Page 75 3. Tests and Diagnostics 3-iv Tecra A3/S2 Series Maintenance Manual...

  • Page 76: The Diagnostic Test

    3.1 The Diagnostic Test 3. Tests and Diagnostics The Diagnostic Test This chapter explains how to use the Test & Diagnostic program to test the functions of the computer’s hardware modules. The Test & Diagnostic Program is stored on the T&D diskettes. The program consists of a series of tests that run automatically when the Diagnostics Program items are selected and executed.
  • Page 77 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual...

  • Page 78: Executing The Diagnostic Test

    3. Tests and Diagnostics Executing the Diagnostic Test Toshiba MS-DOS is required to run the DIAGNOSTICS PROGRAM. To start the DIAGNOSTIC PROGRAM, follow these steps: 1. Insert the diagnostics diskette #1 in the floppy disk drive and turn on the computer. (The diagnostics diskette contains the MS-DOS boot files.) And then follow the instructions to swap...
  • Page 79 3. Tests and Diagnostics 3.2 Executing the Diagnostic Test The below display will show up at the beginning of T&D program If the test result passes, the following display will show up: Tecra A3/S2 Series Maintenance Manual...
  • Page 80 3.2 Executing the Diagnostic Test 3. Tests and Diagnostics If an error is detected and a test fails, the following message displays: Then press any key for next actions – the below display presented if copying test log file onto diskette is necessary.
  • Page 81 3. Tests and Diagnostics 3.2 Executing the Diagnostic Test It will skip this process if “N” key pressed. And then it will check if it’s necessary to leave this program. Program will quit when “Y” key pressed and it will go back main menu for next test if “N” key pressed. NOTE: Press Pause to pause a test and Enter to resume.

  • Page 82: Config Check Test

    3.3 Parallel Port Test 3 Tests and Diagnostics Config Check Test The config check test checks unit configuration. It includes: CPU type System memory size ODD type HDD type & capacity BIOS version This test needs input unit Part Number by manual to make comparison with known SKU data. NOTE: To execute this test, you must input unit Part Number as “Uppercase Character”.

  • Page 83: Dmi Check Test

    3. Tests and Diagnostics 3.4 DMI Check Test DMI Check Test This test will check if the computer’s Desktop Management Interface (DMI) is correct. DMI includes: Manufacturer Production Name Version Serial Number UUID OEM String It needs to input unit Part Number by manual, then show this unit DMI information and makes comparison with SKU data.

  • Page 84: Pio Loopback Test

    3.5 PIO Loopback Test 3. Tests and Diagnostics PIO Loopback Test The PIO loopback test will check below items through PIO loopback connector. External Interrupt External Loopback - including Pattern test, Data Pin test, Control register test & Control pin/ Status pin test. NOTE: Remember to connect a PIO loopback connector to the computer's printer port before test begins.
  • Page 85 3. Tests and Diagnostics 3.6 IEEE 1394 Test 3-10 Tecra A3/S2 Series Maintenance Manual...

  • Page 86: Speaker Audio Test

    3.7 Speaker Audio Test 3. Tests and Diagnostics Speaker Audio Test The speaker audio test allows the user to aurally confirm the speaker functions. And check both speakers if they are OK within 3 times “Beep” sound generated. NOTE: Remember to tune up the volume as “Maximum” before this test starts. The screen should display as below, indicating whether the test is passed or failed after the question.

  • Page 87: Fan On/Off Test

    3. Tests and Diagnostics 3.8 Fan ON/OFF Test Fan ON/OFF Test The fan test allows the user to test aurally whether the fan is working. And follow the below procedures for this test: The computer will let the fan be “ON” after any key pressed. Listen to check whether the fan is working.

  • Page 88: Main Battery Charge Test

    3.9 Main Battery Change Test 3. Tests and Diagnostics Main Battery Charge Test NOTE: The AC adaptor (120W/90W, 19V) should be connected to successfully run this test. This test shows and measures the main battery: Battery type (Ni-MH / Lion) Manufacturer (Sony / Sanyo) Remain charge capacity (0 ~ 100%) Charge function (PASS/FAIL)

  • Page 89: Fdd Test

    3 Tests and Diagnostics 3.10 FDD Test FDD Test NOTE: Before running the FDD test, prepare a formatted work diskette (1.44 MB). Remove the diagnostics diskette and insert the work diskette into the FDD. The contents of the floppy diskette maybe erased. The Floppy Disk Test includes three subtests of the: 1.
  • Page 90 3.10 FDD Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-15...

  • Page 91: Cd-Rom Test

    3. Tests and Diagnostics 3.11 CD-ROM Test 3.10 CD-ROM Test The CD-ROM test allows a user to aurally confirm the CD-ROM functions. NOTE: A CD disc (including data file) must be inserted into the CD-ROM drive before this test starts. The CD-ROM test includes two subtests of the: 1.

  • Page 92: Keyboard Test

    3.12 Keyboard Test 3. Tests and Diagnostics 3.11 Keyboard Test The keyboard test checks the all keys function. NOTE: The Num Lock and the Overlay mode must be off to execute the keyboard test. Before keyboard test starts, the keyboard matrix code should be chosen as below display: 1.
  • Page 93 3. Tests and Diagnostics 3.12 Keyboard Test 3-18 Tecra A3/S2 Series Maintenance Manual...
  • Page 94 3.12 Keyboard Test 3. Tests and Diagnostics Pressing a key also reveals that key’s scan codes in the upper right hand corner of the screen. When the key is depressed, its make code is displayed. When the key is released, the break code is shown. Tecra A3/S2 Series Maintenance Manual 3-19...

  • Page 95: Mouse (Pad) Test

    3. Tests and Diagnostics 3.13 Mouse (Pad) Test 3.12 Mouse (Pad) Test The Mouse test allows the user to select and assign values to the following, using the Touch Pad or “Tab” key to move between selections: Mouse Speed (on a scale from slow to fast) Acceleration (Off, Low, Medium, High) Button Assignments (Left + Right / Right button, either Unassigned or Drag Lock) Swap Buttons (Left /Right)
  • Page 96 3.13 Mouse (Pad) Test 3. Tests and Diagnostics After checking T/Pad buttons and cursor’s function, use “Tab” key or use T/Pad cursor to click the “OK” column will end this test. It will indicate whether the subtests pass or fail after three questions. NOTE: The above figure has three compartments although the Touch Pad installed may only have two buttons.

  • Page 97: Lcd Pixels Mode Test

    3. Tests and Diagnostics 3.14 LCD Pixels Mode Test 3.13 LCD Pixels Mode Test This LCD pixels mode test checks whether video display is fine. This test includes two modes of the test: 1. Text Mode - including 40*25 (16 colors) and 80*25 (2/16colors). 2.

  • Page 98: Lid Switch Test

    3.15 Lid Switch Test 3. Tests and Diagnostics 3.14 Lid Switch Test The lid switch test checks the lid function of the unit. When LCD cover closed, the lid should enable to turn off the display. NOTE: Remember to tune up the volume as “Maximum” before this test starts. Follow below steps to run this test: 1.

  • Page 99: Hdd R/W Test

    3.15 HDD R/W Test The HDD R/W test allows the user to test aurally HDD read/write function. For data security concern, it is necessary to input password - “TOSHIBA” before HDD write test starts. The HDD test includes three subtests of the: 1.
  • Page 100 3.16 HDD R/W Test 3. Tests and Diagnostics NOTE: Press “Ctrl + Break” keys can terminate the current subtest. The screen should display as previous picture, indicating whether the subtest is passed or failed when finished. NOTE: The AC adaptor should be connected to successfully run this test. Tecra A3/S2 Series Maintenance Manual 3-25...

  • Page 101: Lan Test

    3. Tests and Diagnostics 3.17 LAN Test 3.16 LAN Test The LAN test checks the LAN full-duplex environment. NOTE: LAN loopback needs to plug in before test begins. And LAN information will show on the test screen: ASIC register Check: MAC register check: .PHY register check: .PHY IRQ(PCI) check:...
  • Page 102 3.17 LAN Test 3. Tests and Diagnostics The screen should display as below, indicating pass will go on to next test FAIL as below will keep this screen Tecra A3/S2 Series Maintenance Manual 3-27...
  • Page 103 3. Tests and Diagnostics 3.17 LAN Test 3-28 Tecra A3/S2 Series Maintenance Manual...
  • Page 104 3.17 LAN Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-29...

  • Page 105: Rtc Test

    3. Tests and Diagnostics 3.19 CD Control Button Test 3.17 RTC Test Checks the computer’s RTC (Real Time Clock) and calendar functions by comparing the DOS and CMOS values. The test runs automatically. The screen should display as below, indicating whether the test is passed or failed when finished. 3-30 Tecra A3/S2 Series Maintenance Manual...
  • Page 106 Chapter 4 Replacement Procedures...
  • Page 107 4 Replacement Procedures 4-ii Tecra A3/S2 Series Maintenance Manual...
  • Page 108 4 Replacement Procedures Chapter 4 Contents General..........................4-1 Battery..........................4-7 PC Card..........................4-8 HDD ..........................4-9 Optical Drive Module....................... 4-12 Optical Drive ........................4-13 Wireless LAN........................4-15 Expansion Memory......................4-17 Keyboard ........................4-21 4.10 Bluetooth......................... 4-21 4.11 Modem..........................4-25 4.12 Display Assembly......................

  • Page 109: Figure

    4 Replacement Procedures Figures Figure 4-1 Removing the battery pack ..................4-7 Figure 4-2 Removing a PC card ....................4-8 Figure 4-3 Installing a PC card ....................4-9 Figure 4-4 HDD........................4-9 Figure 4-5 Removing the HDD door..................4-10 Figure 4-6 Removing the HDD Module ..................4-10 Figure 4-7 Removing the HDD bracket...................4-11 Figure 4-8...
  • Page 110 4 Replacement Procedures Figure 4-27 Removing the touch pad board................4-31 Figure 4-28 Removing the speakers ..................4-32 Figure 4-29 Removing the LAN board..................4-33 Figure 4-30 Removing the USB board ..................4-34 Figure 4-31 Removing the system board................... 4-35 Figure 4-32 Removing the Direct Play Button board..............

  • Page 111: General

    4 Replacement Procedures General This chapter explains how to disassemble the computer and replace Field Replaceable Units (FRUs). It may not be necessary to remove all the FRUs in order to replace one. The chart below is a guide to which FRUs need to be removed in order to remove others.

  • Page 112: Wireless Lan

    4 Replacement Procedures The example below shows FRUs to be removed before the Direct Play button board can be removed and repaired or replaced. The Direct Play button board is overlapped by the top cover which must be removed before the Direct Play button board can be reached. The removable HDD, keyboard, wireless LAN, ODD, modem, and display assembly in turn overlap the top cover.
  • Page 113 DANGER: Always use the lithium ion battery pack or backup battery that is authorized by Toshiba or compatible with the unit. Since other battery packs have different specifications, they may be incompatible with the unit, and may burst or explode.

  • Page 114: Before You Begin

    4 Replacement Procedures Before You Begin Look over the procedures in this section before you begin disassembling the computer. Familiarize yourself with the disassembly and reassembly steps. Begin each procedure by removing the AC adaptor and the battery pack as instructed in section 4.2. Do not disassemble the computer unless it is operating abnormally.

  • Page 115: General

    4 Replacement Procedures Disassembly Procedures The computer has two basic types of cable connectors: ? Pressure Plate Connectors ? Standard Pin Connectors To disconnect a Pressure Plate connector, lift up the tabs on either side of the connector’s plastic pressure plate and slide the cable out of the connector. To connect the cable to a Pressure Plate connector, make sure the pressure plate is fully lifted and slide the cable into the connector.
  • Page 116 4 Replacement Procedures Tools and Equipment The use of Electrostatic Discharge (ESD) equipment is very important for your safety and the safety of those around you. Proper use of these devices will increase the success rate of your repairs and lower the cost for damaged or destroyed parts.

  • Page 117: Figure

    Release the battery pack release latch (2). Remove the battery pack from the bay (3). Figure 4-1 Removing the battery pack NOTE: For environmental reasons, do not throw away a spent battery pack. Please return spent battery packs to Toshiba. Tecra A3/S2 Series Maintenance Manual...

  • Page 118: Removing A Pc Card

    WARNING: The battery is a lithium ion battery and can explode if not properly replaced, used, handled or disposed of. Use only batteries recommended by Toshiba as replacements. Slide the battery pack into the battery bay. The battery bay latch will click automatically.
  • Page 119 4 Replacement Procedures Figure 4-2 Removing a PC Card Tecra A3/S2 Series Maintenance Manual...

  • Page 120: Figure

    4 Replacement Procedures Installing a PC Card To install a PC Card, follow the steps below and refer to the figures in the preceding section. Make sure the eject button does not stick out. Insert a PC Card and press gently to ensure a firm connection. Figure 4-3 Installing a PC Card NOTE: When handling the HDD, do not press the top...

  • Page 121: Removing The Hdd Door

    4 Replacement Procedures Removing the HDD Module Follow the steps below to remove HDD module: 1. Turn the computer upside down 2. Remove two black M2.5x5 screws to release the HDD door. 3. Pull on the tab to remove the HDD module. 4.

  • Page 122: Figure

    4 Replacement Procedures Figure 4-6 Removing the HDD module Installing the HDD Module To install the HDD module, follow the steps below and refer to the figures in the preceding section. Insert the HDD module into the HDD slot. Secure the HDD door with two black M2.5x5 screws. Disassembling the HDD Module To take apart the HDD, first remove it from the computer as described earlier.

  • Page 123: Removing The Hdd Bracket

    4 Replacement Procedures Figure 4-7 Removing the HDD bracket Optical Drive Module Removing the Optical Drive Module To remove the optical drive module, you need to remove the HDD module first. Follow the steps below: Turn the computer upside down. Remove one M2.5x3 screw securing the optical drive module into place.

  • Page 124: Removing The Optical Drive Module

    4 Replacement Procedures Figure 4-8 Removing the optical drive module Installing the Optical Drive Module To install a device in the optical drive module bay, follow the steps below and refer to the figure in the preceding section. 1. Slide the device into the optical drive module bay. 2.

  • Page 125: Removing The Optical Drive Bracket

    4 Replacement Procedures Optical Drive This computer may be fitted with a: CD-RW/DVD-ROM device DVD+-R/+-RW DVD Super Multi device Disassembling the Optical Drive To disassemble the optical drive, then follow the steps below. Remove one M2.5x3 screw and slide the optical drive module from the bay. Remove two M2.5x8 screws from bracket plate and five M2.5x3 screws from Base case.

  • Page 126: Optical Drive Module

    4 Replacement Procedures 4.6 Optical Drive Reassembling the Optical Drive To reassemble an optical drive, follow the steps below and refer to the figure in the preceding section. 1. Position the optical drive bracket plate to the rear panel of optical drive. 2.

  • Page 127: Wireless Lan

    4 Replacement Procedures Wireless LAN Removing the Wireless LAN Turn the computer upside down and loosen the embedded M2.5x5 screw securing the wireless LAN compartment cover. Figure 4-10 Removing the wireless LAN cover Lift off the wireless LAN compartment cover. Remove the embedded one M2.5x3.6 screw securing the Mini PCI bracket.
  • Page 128 4 Replacement Procedures Figure 4-11 Removing the wireless LAN unit CAUTION: Do not touch the connectors on the wireless LAN unit or on the computer. Debris on the connectors may cause malfunction. Installing the Wireless LAN To install the wireless LAN unit, follow the steps below and refer to the figures in the preceding section. Turn the computer upside down and loosen the embedded M2.5x5 screw securing the wireless LAN compartment cover.

  • Page 129: Wireless Lan

    4 Replacement Procedures Attach the ends of the wireless LAN antenna. Connect the antenna cables (a black one and a white one) to LAN card’s connector. Use one M2.5x3.6 screw to secure the Mini PCI bracket. Note: If your wireless LAN unit is an ‘A’ type card, then the screw will be a safety screw. Seat the wireless LAN compartment cover and secure it with the embedded security screw.
  • Page 130 4 Replacement Procedures Replace the battery pack. Figure 4-13 Removing a memory module CAUTION: Do not touch the connectors on the expansion memory or on the computer. Debris on the connectors may cause memory access problems. 4-20 Tecra A3/S2 Series Maintenance Manual...

  • Page 131: Expansion Memory

    4 Replacement Procedures Installing an Expansion Memory Module CAUTION: Do not touch the connectors on the expansion memory or on the computer. Debris on the connectors may cause memory access problems. Follow these steps to install a memory module: Set the computer to boot mode and turn off the power. Remove all cables connected to the computer.
  • Page 132 4 Replacement Procedures Figure 4-15 Installing an expansion memory 4-22 Tecra A3/S2 Series Maintenance Manual...
  • Page 133 4 Replacement Procedures Keyboard Removing the Keyboard Follow the steps below to remove the keyboard: 1. Open the display panel. 2. Remove the strip cover by forcing one end of the strip cover up. Figure 4-16 Removing the strip cover 3.
  • Page 134 4 Replacement Procedures Figure 4-17 Removing the keyboard 4. After removing the screws, flip the keyboard latch with either a screwdriver or a fingernail. 5. Lift the keyboard out of its bay, revealing the keyboard cable. 6. Disconnect the keyboard cable and remove the keyboard from the computer entirely. 4-24 Tecra A3/S2 Series Maintenance Manual...

  • Page 135: Keyboard

    4 Replacement Procedures Figure 4-18 Disconnecting the keyboard cable Installing the Keyboard To install the keyboard, follow the steps below and refer to the figures in the preceding section. 1. Connect the keyboard cable to the system board. 2. Set the keyboard in place and secure it with two black M2.5x3 screws. 3.

  • Page 136: Bluetooth

    4 Replacement Procedures 4.10 Bluetooth Removing the Bluetooth To remove a Bluetooth unit, follow the steps below. Detach a FFC cable from motherboard. Remove two black M2x3 screws. Grasp the Bluetooth unit and remove it. Figure 4-19 Removing the Bluetooth Installing the Bluetooth To install a Bluetooth unit, follow the steps below and refer to the figures in the preceding section.

  • Page 137: Modem

    4 Replacement Procedures 4.11 Modem Removing the Modem To remove the installed modem, follow the steps below: Remove the Modem cover.(Refer Figure 4-12) Remove two black M2.5x3 screws securing the modem module. Carefully lift the unit off its connector Disconnect the modem cable from the modem module. Figure 4-20 Removing the modem module Tecra A3/S2 Series Maintenance Manual...

  • Page 138: Display Assembly

    4 Replacement Procedures Installing the Modem To install a modem, follow the steps below and refer to the figures in the preceding section. 1. Connect the modem cable to the modem module. 2. Fit the modem into its connector and secure it with two black M2.5x3 screws. 3.
  • Page 139 4 Replacement Procedures Figure 4-22 Removing the wireless and LCD cables Lift the display assembly from the computer’s chassis. Installing the Display Assembly To install the display assembly, follow the steps below and refer to the figures in the preceding section. Seat the display assembly taking care not to crush to the LCD cable or wireless cable.

  • Page 140: Display Assembly

    4 Replacement Procedures 4.13 Top Cover Removing the Top Cover To remove the top covers, first remove the battery pack, display assembly, optical drive module, HDD, memory module and wireless LAN as described in the preceding sections, then follow the steps below: 1.
  • Page 141 4 Replacement Procedures 2. Remove two black M2.5x5 and four black M2.5x14 screws securing the top half of the cover: Figure 4-24 Removing the top cover 3. Detach the Switch board FFC, Bluetooth FFC and Touch Pad FFC cables. Figure 4-25 Removing FFC cables Tecra A3/S2 Series Maintenance Manual 4-31...

  • Page 142: Top Cover

    4 Replacement Procedures 4. Detach Speaker cable. Figure 4-26 Removing Speaker cables 5. Remove the top cover. Installing the Top Cover To install the top cover, follow the steps below and refer to the figures in the preceding section. Seat the top cover and secure the Switch board FFC, Bluetooth FFC and Touch Pad FFC cables. Connect Speaker cable.

  • Page 143: Touch Pad

    4 Replacement Procedures 4.14 Touch Pad Removing the Touch Pad To remove the Touch Pad, first remove the top cover, then follow the steps below: 1. Remove two black M2.5x3 screws securing Touch Pad board FFC cable. 2. Remove FFC cable. 3.

  • Page 144: Removing The Speakers

    4 Replacement Procedures 4.15 Speakers Removing the Speakers To remove the speakers, first remove the top cover, then follow the steps below: Figure 4-28 Removing the speakers 1. Remove two black M2.5x3 screws securing each speaker into place. 2. Lift out the speakers. Installing the Speakers To install the speakers, follow the steps below and refer to the figure in the preceding section: 1.

  • Page 145: System Board

    4 Replacement Procedures 4.16 System Board Removing the LAN Board Follow the steps below to remove the LAN board. Detach the LAN cable from motherboard. Remove one M2.5x3 screw securing the LAN board. Remove Modem cable. Remove the LAN board. Figure 4-29 Removing LAN board Tecra A3/S2 Series Maintenance Manual 4-33...

  • Page 146: Removing The Usb Board

    4 Replacement Procedures Installing the LAN Board Follow the step below to install the LAN board. Secure the LAN board with one M2.5x3 screw. Attach LAN cable. Attach Modem Cable Removing the USB Board Follow the steps below to remove the USB board. Detach the USB cable from motherboard.

  • Page 147: System Board

    4 Replacement Procedures Installing the USB Board Follow the step below to install the USB board. Connect the USB cable to the connector on motherboard. Removing the System Board To remove the system board, first remove the LCD display assembly and the top cover, then follow the steps below: 1.

  • Page 148: Direct Play Button Board

    4 Replacement Procedures Installing the System Board To install the system board, follow the steps below and refer to the figures in the preceding section. 1. Seat the system board in the chassis 2. Connect Fan to the Fan connector, and then secure it with three screws. 3.
  • Page 149 4 Replacement Procedures Installing the Direct Play Button Board To install the Direct Play Button board, follow the steps below and refer to the figures in the preceding section. 1. Secure two M2.5x 3 screws and FFC from top cover. 4.18 Fan, Heat Sink, &...
  • Page 150 4 Replacement Procedures Figure 4-33 Removing the fan module 4. Remove the four embedded screws securing the heat sink in the order indicated on the heat sink. Lift out the heat sink while preventing stress to the CPU below. Figure 4-34 Removing the heat sink 5.
  • Page 151 4 Replacement Procedures Installing the CPU To install the CPU, follow the steps below and refer to the figures in the preceding section. CAUTION: Reapply fresh grease with the grease tool before installing the heat sink. Make sure that the notch on the cam is aligned with the open position. Seat the CPU to align the triangle mark on the CPU with the one on the CPU socket.

  • Page 152: Removing The Display Mask

    4 Replacement Procedures 4.19 Display Mask Removing the Display Mask To remove the display mask, first remove the display assembly as described earlier, then follow the steps below: Remove two black M2.5x5 screws on the upper corner. Remove the mask seals by unsnapping the display mask along the two sides and the bottom edge to remove display.
  • Page 153 4 Replacement Procedures Installing the Display Mask To install the display mask, follow the steps below and refer to the figures in the preceding section. 1. Seat the display mask and secure the snaps on each side. 2. Secure the display mask with two M2.5x5 screws. Tecra A3/S2 Series Maintenance Manual 4-41...

  • Page 154: Lcd Module

    4 Replacement Procedures 4.20 LCD Module Removing the LCD Module To remove the LCD module, first remove the display assembly and display mask, then follow the steps below. Remove two M2.5x5 black screws securing the LCD module bracket to LCD cover. Disconnect the LCD cable from the FL inverter board.
  • Page 155 4 Replacement Procedures Remove eight M2x3 screws securing LCD module bracket to the LCD module. Figure 4-38 Removing the LCD module-2 Remove the LCD module. NOTE: If the LCD module malfunctions, remove the LCD cable and LCD bracket. Then replace the whole LCD module unit. Installing the LCD Module To install the LCD module, follow the steps below and refer to the figures in the preceding section.

  • Page 156: Lcd Module

    4 Replacement Procedures 4.21 FL Inverter Board Removing the FL Inverter Board To remove the FL inverter board, first remove the battery pack, the display assembly, display mask, and LCD module, then follow the step below. 1. Remove one black M2x3 screw securing the FL invert board to the LCD display assembly. Figure 4-39 Removing the FL inverter board Installing the FL Inverter Board To install the FL inverter board, follow the steps below and refer to the figure in the preceding section.

  • Page 157: Appendix A Handling The Lcd Module

    Appendix A Appendix A Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assembly or disassembly. Therefore, please observe the following precautions when handling it: 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.
  • Page 158 3. If the panel’s surface gets dirty, wipe it with cotton or a soft cloth. If it is still dirty, try breathing 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.
  • Page 159 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.
  • Page 160 7. Do not expose the module to direct sunlight or strong ultraviolet rays for long periods. 8. Do not store the module at temperatures below specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage. 9.
  • Page 161 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. TECRA A3/S2 Series Maintenance Manual...
  • Page 162 TECRA A3/S2 Series Maintenance Manual...

  • Page 163: Appendix B Board Layout

    Appendix B Appendix B Board Layout B.1 System Board (FRDSY*) Top View Figure B-1 System board (FRDSY*) layout (Top) TECRA A3/S2 Series Maintenance Manual...
  • Page 164 B.2 System Board (FRDSY*) Button View Figure B-2 System board (FRDSY*) layout (Button) TECRA A3/S2 Series Maintenance Manual...
  • Page 165 Table B-1 System board ICs (top and bottom) Mark Number Name Intel Alviso Chip ICH6-M ENE 910L Marvell 88SA8040 RealTEK ALC250VD Marvell 8036 TI PCI7411 ICS954226AG BIOS ROM TECRA A3/S2 Series Maintenance Manual...
  • Page 166 Table B-2 System board connectors (top and bottom) Number Name CRT conn. Docking modem conn. LAN/B conn. Power/B conn. Printer conn. LVDS conn CPU Stocket Spearker conn JP10 TV-Out JP12 Fan conn JP13 Bluetooth conn JP14 TP conn JP15, JP32 TP conn for Hot bar JP16 USB/B conn...

  • Page 167: Pin Assignments

    Appendix C Pin Assignments System Board JP24,JP25 Table C-1 SODIMM I/F pin assignments (200-PIN) (1/4) Pin No. Signal name Pin No. Signal Name VREF VREF 25VDD 2.5VDD DQS0 DQ12 2.5VDD 2.5VDD DQ13 DQS1 DQ10 DQ14 DQ11 DQ15 2.5VDD 2.5VDD 2.5VDD CK0# DQ16 DQ20...
  • Page 168 Table C-1 SODIMM I/F pin assignments (200-PIN) (2/4) Pin No. Signal name Pin No. Signal Name DQ19 DQ23 DQ24 DQ28 2.5VDD 2.5VDD DQ25 DQ29 DQS3 DQ26 DQ30 DQ27 DQ31 2.5VDD 2.5VDD DQS8 2.5VDD 2.5VDD DU/RESET# CK2# 2.5VDD 2.5VDD 2.5VDD CKE1 CKE0 DU/A13 DU/BA2...
  • Page 169 Table C-1 SODIMM I/F pin assignments (200-PIN) (3/4) Pin No. Signal name Pin No. Signal Name A10/AP RAS# CAS# DQ32 DQ36 DQ33 DQ37 2.5VDD 2.5VDD DQS4 DQ34 DQ38 DQ35 DQ39 DQ40 DQ44 2.5VDD 2.5VDD DQ41 DQ45 DQS5 DQ42 DQ46 DQ43 DQ47 2.5VDD 2.5VDD...
  • Page 170 Table C-1 SODIMM I/F pin assignments (200-PIN) (4/4) Pin No. Signal name Pin No. Signal Name DQ57 DQ61 DQS7 DQ58 DQ62 DQ59 DQ63 2.5VDD 2.5VDD 3.3VDD_SPD VDD_ID TECRA A3/S2 Series Maintenance Manual...
  • Page 171 Table C-2 RGB I/F pin assignments (15-pin) Pin No. Signal name Pin No. Signal Name CRT_R CRT_G CRT_B +CRT_VCC DDC_DATA DACA_HSYNC DACA_VSYNC DDC_CLK TECRA A3/S2 Series Maintenance Manual...
  • Page 172 JP18 Table C-3 HDD I/F pin assignments (44-pin) Pin No. Signal name Pin No. Signal Name PIDE-RST# PDD7 PDD8 PDD6 PDD9 PDD5 PDD10 PDD4 PDD11 PDD3 PDD12 PDD2 PDD13 PDD1 PDD14 PDD0 PDD15 PDDREQ PDIOW# PDIOR# PDIORDY PCSEL PDDACK# IRQ14 PDA1 PDA0 PDA2...
  • Page 173 JP31 Table C-4 ODD I/F pin assignments (50-pin) Pin No. Signal name Pin No. Signal Name INT_CD_L INT_CD_R CD_AGND SIDE_RST# SDD8 SDD7 SDD9 SDD6 SDD10 SDD5 SDD11 SDD4 SDD12 SDD3 SDD13 SDD2 SDD14 SDD1 SDD15 SDD0 SDDREQ SDIOR# SDIOW# SIORDY SDDACK# IRQ15 SDA1...
  • Page 174 JP19 Table C-5 PC Card I/F pin assignments (84-pin) (1/2) Pin No. Signal name Pin No. Signal Name S1_D3 S1_CD1# S1_D4 S1_D11 S1_D5 S1_D12 S1_D6 S1_D13 S1_D7 S1_D14 S1_CE1# S1_D15 S1_A10 S1_CE2# S1_OE# S1_VS1 S1_A11 S1_IORD# S1_A9 S1_IOWR# S1_A8 S1_A17 S1_A13 S1_A18 S1_A14...
  • Page 175 S1_D0 S1_D8 TECRA A3/S2 Series Maintenance Manual...
  • Page 176 Table C-5 PC Card I/F pin assignments (84-pin) (2/2) Pin No. Signal name Pin No. Signal Name S1_D1 S1_D9 S1_D2 S1_D10 S1_WP S1_CD2# C-10 TECRA A3/S2 Series Maintenance Manual...
  • Page 177 C.6 JP28 Table C-6 Mini PCI I/F pin assignments (124-pin) (1/2) Pin No. Signal name Pin No. Signal Name SWITCH PIRQH# +5VS_MINIPCI +3.3V PIRQG# +3.3V PCICLK PCIRST# +3.3V REQ1# GNT1# +3.3V AD31 WLANME# AD29 AD30 AD27 +3.3V AD25 AD28 AD26 CBE3# AD24 AD23...
  • Page 178 C-12 TECRA A3/S2 Series Maintenance Manual...
  • Page 179 Table C-6 Mini PCI I/F pin assignments (124-pin)(2/2) Pin No. Signal name Pin No. Signal Name IRDY# +3.3V FRAME# PM_CLKRUN# TRDY# PCI_SERR# STOP# +3.3V PCI_PERR# DEVSEL# C/BE1# AD14 AD15 AD13 AD12 AD11 AD10 AD09 AD08 C/BE0# AD07 +3.3V +3.3V AD06 AD05 AD04 AD02...
  • Page 180 C-14 TECRA A3/S2 Series Maintenance Manual...
  • Page 181 Pin No. Signal name Function Power DAC_BRIG Inverter Control signal Power INVT_PWM Inverter Control signal Non-Connection DISPOFF# Inverter Control signal +3VS DDC 3.3V POWER SUPPLY : +3.3V +LCDVDD Power for Panel GMCH_LCD_CLK DDC Clock +LCDVDD Power for Panel GMCH_LCD_DATA DDC DATA +LCDVDD Power for Panel GMCH_TZOUT0-...
  • Page 182 GMCH_TZCLK- Panel Clock Signals GMCH_TXCLK- Panel Clock Signals GMCH_TZCLK+ Panel Clock Signals GMCH_TXCLK+ Panel Clock Signals Non-Connection Non-Connection Non-Connection Non-Connection LCD_ID No EDID Panel Detect JP29 Pin No. Signal name Pin No. Signal Name 5 in 1-GND S.M/xD-06 5M-CD-COM S.M/xD-07 5M-CD-SW S.M-LVD #S.M/xD-R/B...
  • Page 183 MS-DATA3 xD-VCC MS-SCLK SD-CD-COM MS-VCC SD-CD-SW S.M/xD-04 SM-WP-SW S.M/xD-05 5in1-GND JP12 Table C-9-1 JP12 Fan I/F pin assignments (3-pin) Pin No. Signal name Pin No. Signal Name FAN1 FAN-SPEED1 C.10 PJP1 Table C-10 AC Adaptor Connector pin assignments (3-pin) Pin No. Signal name Pin No.
  • Page 184 C.11 JP21 Table C-11 Microphone I/F pin assignments (6-pin) Pin No. Signal name Pin No. Signal Name ANGND BIAS ANGND C.12 JP22 Table C-12 Headphone Connector pin assignments (6-pin) Pin No. Signal name Pin No. Signal Name ANGND INTSPK_L1 INTSPK_R1 NBA_PLUG ANGND C-18...
  • Page 185 Appendix D Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Code set 1 Code set 2 Keytop Note Make Break Make Break ‘ ~ 7 & BkSp TECRA A3/S2 Series Maintenance Manual...
  • Page 186 Table D-1 Scan codes (set 1 and set 2) (2/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Caps Lock ‘ “ Enter Shift (L) No.102 , < . > Shift (R) TECRA A3/S2 Series Maintenance Manual...
  • Page 187 Table D-1 Scan codes (set 1 and set 2) (3/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Ctrl(L) Alt (L) Space ALT (R) Ctrl(R) Home PgUp PgDn TECRA A3/S2 Series Maintenance Manual...
  • Page 188 Table D-1 Scan codes (set 1 and set 2) (4/4) Code set 1 Code set 2 Keytop Note Make Break Make Break PrintSc Pause — — — — Notes: 1. * Scan codes differ by mode. 2. * Scan codes differ by overlay function. 3.
  • Page 189 Table D-2 Scan codes with left Shift key Code set 1 Code set 2 Make Break Make Break E0 AA E0 35 E0 B5 E0 2A E0 F0 12 E0 4A E0 F0 4A E0 12 E0 AA E0 52 E0 D2 E0 2A E0 F0 12 E0 70 E0 F0 70 E0 12 E0 AA E0 53 E0 D3 E0 2A E0 F0...
  • Page 190 Table D-3 Scan codes in Numlock mode Code set 1 Code set 2 Make Break Make Break E0 2A E0 52 E0 D2 E0 AA E0 12 E0 70 E0 F0 70 E0 F0 12 E0 2A E0 53 E0 D3 E0 AA E0 12 E0 71 E0 F0 71 E0 F0 12...
  • Page 191 Table D-5 Scan codes in overlay mode Code set 1 Code set 2 Keytop Make Break Make Break (–) Table D-6 No.124 key scan code Code set 1 Code set 2 Shift Make Break Make Break Prt Sc Common E0 F0 Ctrl E0 7C Shift...
  • Page 192 Table D-7 No.126 key scan code Key top Shift Code set 1 Code set 2 Make Make Pause Common Ctrl *: This key generates only make codes. TECRA A3/S2 Series Maintenance Manual...

  • Page 193: Appendix E Key Layout

    Appendix E Appendix E Key Layout E.1 United States (US) Keyboard Figure E-1 US keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 194 E.2 United Kingdom (UK) Keyboard Figure E-2 UK keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 195 E.3 Spanish (SP) Keyboard Figure E-3 SP keyboard E.4 Japanese (JA) Keyboard Figure E-4 JA keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 196 E.5 Korean (KO) Keyboard Figure E-5 KO keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 197 E.6 French (FR) Keyboard Figure E-6 FR keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 198 E.7 French-Canadian Keyboard Figure E-7 FR-C keyboard E.8 Portuguese Keyboard Figure E8 Portuguese keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 199 E.9 US-INTERNATIONAL Keyboard Figure E-9 US-INTE Keyboard E.10 Greece(GR) Keyboard Figure E-10 GR keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 200 E.11 Chinese-T Keyboard Figure E-11 CH-T keyboard E.12 Swedish Keyboard Figure E-12 Swedish keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 201 E.13 ITALIAN Keyboard Figure E-13 IT keyboard E.14 CZECH Keyboard Figure E-14 Czech keyboard TECRA A3/S2 Series Maintenance Manual...
  • Page 202 E-10 TECRA A3/S2 Series Maintenance Manual...

  • Page 203: Appendix F Series Screw Torque List

    Appendix G Appendix F Series Screw Torque List Table F-1 Series Screw Torque List SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE LCD ASSY LCD BRACKET ASSY MMCK25050Z0 M2.5*5 2.5~3.0kg (R/L) TO COVER SUB ASSY LCD BRK TO LCD PANEL MMCK20030Z0 M2.0*3 2.0~2.5kg...
  • Page 205 SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE LOGIC ASSY LOG LOW TO HINGE MACK25080Z0 M2.5*8 1.2~1.5kg SADDLE R TO LOG UP LL TO LL SHIELD TO MB MACK25080Z0 M2.5*8 1.2~1.5kg TO LU LL TO LL SHIELD MB MACK25080Z0 M2.5*8 STANDOFF TO HINGE 1.2~1.5kg SADDLE TO LU...
  • Page 206 KB TO TOP SHIELD BATT MMCK25030Z0 M2.5*3 2.5~3.0kg TO LU RJ11/45 PCB TO LL MMCK25030Z0 M2.5*3 2.5~3.0kg SHIELD TO LL MDC MODEN TO MDC MMCK25030Z0 M2.5*3 2.5~3.0kg MODEN STANDOFF MMCK25030Z0 M2.5*3 LCD WIRE TO UP 2.5~3.0kg BLUETOOTH BOARD TO MMCK20030Z0 M2.0*3 2.0~2.5kg BLUETOOTH STANDOFF...

  • Page 207: Appendix G Reliability

    Appendix G Appendix G Reliability The following table shows MTBF (Mean Time Between Failures) for each component. Table G-1 MTBF Component Time (hours) 50,000 Keyboard 40,000 300,000 Removable FDD 30,000 Optical (DVD/CD) drive 60,000 AC adaptor 60,000 TECRA A3/S2 Series Maintenance Manual...
  • Page 208 TECRA A3/S2 Series Maintenance Manual...

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