Toshiba Tecra A3 Maintenance Manual

Toshiba Tecra A3 Manual

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  • Toshiba Tecra A3 | Maintenance Manual - Page 1
    Toshiba Personal Computer TECRA A3/S2 Maintenance Manual TOSHIBA CORPORATION
  • Toshiba Tecra A3 | Maintenance Manual - Page 2
    Toshiba Personal Computer Tecra A3/S2 Maintenance Manual First edition December 2004 Disclaimer The information presented in this manual has been reviewed and validated for accuracy. The included set of instructions and descriptions are accurate for the Tecra A3/S2 Series at the time of this manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 3
    circuit, which could cause overheating, smoke or fire. If you replace the battery pack or RTC battery, be sure to use only the same model battery or an equivalent battery recommended by Toshiba. Installation of the wrong battery can cause the battery to explode. Tecra A3/S2 Maintenance Manual iii
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    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. Chapter 4 ...Replacement Procedures
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    press the third. User input Text that you are instructed to type in is shown in the boldface type below: DISKCOPY A: B: The display Text generated by the computer that appears on its display is presented in the type face below: Format complete System transferred Tecra A3/S2 Maintenance Manual v
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    2-19 2.8 Printer Port Troubleshooting 2-21 2.9 TouchPad Troubleshooting 2-23 2.10 Speaker Troubleshooting 2-25 2.11 Modem Troubleshooting 2-27 2.12 PCMCIA Troubleshooting 2-29 2.13 IEEE 1394 Troubleshooting 2-31 2.14 Wireless LAN Troubleshooting 2-33 vi Tecra A3/S2 Maintenance Manual
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    Bookmark not defined. 3.7 Speaker Audio Test Error! Bookmark not defined. 3.8 Fan ON/OFF Test Error! Bookmark not defined. 3.9 Main Battery Charge Test Error! Bookmark not 3.17 LAN Test Error! Bookmark not defined. 3.18 RTC Test Error! Bookmark not defined. Tecra A3/S2 Maintenance Manual vii
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    Chapter 4 Replacement Procedures 4.1 General ...4-1 4.2 Battery ...4-7 4.3 PC Card ...4-8 4.4 HDD ...4-9 4.5 Optical Drive Module...4-12 4.6 Optical Drive ...4-13 4.7 Wireless LAN...4-15 4.8 Expansion Memory ...4-17 4.9 Keyboard ...4-21 4.10 Bluetooth ...4-21 4.11 Modem...4-25 4.12 Display Assembly
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    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 ix
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    Chapter 1 Hardware Overview 1
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    1 Hardware Overview 1-ii Tecra A3/S2 Series Maintenance Manual
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    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 1.5 Power Supply ...1-15 1.6 Batteries ...1-21 1.6.1 Main Battery 1-21 1.6.2 RTC battery 1-22 Tecra A3/S2 Series Maintenance Manual 1-iii
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    1 Hardware Overview 1-iv Tecra A3/S2 Series Maintenance Manual
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    gradable to 2GB by two 1GB SO-DIMM module. • 1MB/2MB L2 Cache on CPU • Support 8MB UMA VGA Memory • Support Maximum 128MB UMA VGA Memory allocation for more than 256MB System Memory • Support Maximum 64MB UMA VGA Memory allocation for 128MB System Memory Tecra A3/S2 Series Maintenance Manual 1-5
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    '' 12.7mm height CD-ROM device ‰ Optional Devices • 256MB/512MB/1GB SO-DIMM modules • MINI PCI module (802.11a+b+g Wireless LAN module/802.11b+g Wireless LAN module) • MDC Modem • Bluetooth modem • Dual-Band build in Antenna for Wireless LAN Communication. 1-6 Tecra A3/S2 Series Maintenance Manual
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    supports software that uses a 101- or 102-key enhanced keyboard. Includes one Windows® key and one Application key. ‰ TouchPad 15-pins CRT port, supports DDC 2B • One 9-pins serial port(BTO) • One S-video connector • One MIC-In support SD/MMC/SM/MS/MS Pro/xD Tecra A3/S2 Series Maintenance Manual 1-7
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    system A Realtek ALC250VD for AC97 codec audio subsystem offers industry leading mixed signal technology to enhance the computer's multimedia capability. The sound system is equipped with stereo speakers and jacks for headphone and external microphone 1-8 Tecra A3/S2 Series Maintenance Manual
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    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). Tecra A3/S2 Series Maintenance Manual 1-9
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    or dual channel LVDS panel support up to SXGA+ panel, resolution with frequency range from 25MHZ to 112MHZ per channel. ‰ SMsC LPC 47N217 Super I/O with LPC Interface • PC99a, PC2001 • ACPI 2.0 Compliant • Serial Ports • One Full Function Serial Port 1-10 Tecra A3/S2 Series Maintenance Manual
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    , and AUX. • Two Analog Line-level Mono Inputs : PCBEEP, PHONE-IN. • Two software selectable Microphone Inputs. • High quality differential CD Input. • Power Management and enhanced power saving features. • Meets Microsoft® WHQL/WLP2.0 audio Requirements. Tecra A3/S2 Series Maintenance Manual 1-11
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    mode. • Node power class information signaling for system power management. • PCI burst transfers and deep FIFOs to tolerate large host latency. • Separate cable bias(TPBIAS) for each port. • Register access fail interrupt when the PHY SCLK is not active. 1-12 Tecra A3/S2 Series Maintenance Manual
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    power save modes • Serial ATA hot-plug • Enhanced receiving FIFO flow control for Serial ATA link • DMA Command Queuing(maximum 32 entries • Supports 20, 25, 30, or 40MHz reference clock. • Serial ATA Interface of 1.5Gbps • Full scan for high production test coverage Tecra A3/S2 Series Maintenance
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    Hard Disk Drive 1.3 2.5-inch Hard Disk Drive The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5inch magnetic disk and mini-Winchester type magnetic heads. The computer supports a 30/ 40/ 60/ 80/ 100/ 120GB HDD. 1-14 Tecra A3/S2 Series Maintenance Manual
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    DVD-R (Ver:1.0/2.1) DVD-RW (Ver1.0/1.1) 1.4.2 CD-ROM Drive The CD-ROM drive (TEAC CD-224E) accommodates either 12cm (4.72-inch) or 8cm (3.15-inch) CDs. Transfer rates CD-ROM Maximum 24 times faster rotational speed Buffer capacity 128 Kbytes (Max) Tecra A3/S2 Series Maintenance Manual 1-15
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    , CD-TEXT, CD-ROM, CD-ROM XA, MIXED Read Disc: MODE CD, CD-I, CD-I Bridge (Photo-CD, Video-CD), Multisession CD (PhotoCD, CD-EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW DVD DVD-ROM [DVD-5, DVD-9, DVD-10, DVD-18] DVD-R DVD-RW DVD+R DVD+RW DVD-RAM 1-16 Tecra A3/S2 Series Maintenance Manual
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    (Toshiba TS-L632A, Matsushita UJ-830B, UJ-831B or TEAC DVW28E) 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 CD-ROM Maximum 8 times faster rotational speed Maximum 24 times faster rotational speed Tecra A3/S2 Series
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    1.5 Power Supply DVD-RAM Write speeds CD-R CD-RW DVD-R DVD-RW DVD+R DVD+RW DVD-RAM DVD Video-CD), Multisession CD (PhotoCD, CD-EXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW DVD DVD-ROM [DVD-5, DVD-9, DVD-10, DVD-18] DVD-R DVD-RW DVD+R DVD+RW DVD-RAM 1-18 Tecra A3/S2 Series Maintenance Manual
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    : Blue or Green(by sku)) • Green = indicates AC adaptor is connected Battery LED (two colors: Green & Orange Æ Blue & Orange) • Blue or Green solid = The battery is fully charged. • Orange = The computer is quick-charging the battery / The battery is low. Tecra A3/S2 Series Maintenance Manual 1-19
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    When a new battery is installed, the EC communicates with the E2PROM in the battery to read information of the newly installed battery. 10. Battery capacity calculation The EC reads battery remaining and percentage capacity from the battery through SMBus. 1-20 Tecra A3/S2 Series Maintenance Manual
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    attached. The battery specifications are listed in the table below. Battery name Main battery Material Lithium-Ion RTC battery Lithium Output voltage 14.8 V 3 V Capacity 6450mAH/ 4300mAH 14 mAH/15 mAH 1.6.1 Main Battery Battery charging is controlled by a power supply microprocessor that is
  • Toshiba Tecra A3 | Maintenance Manual - Page 31
    time and data preservation period of the RTC battery. The RTC battery is charged by the adaptor or main battery, while the computer is powered on. Status Charging Time (power on) Data preservation period (full charge) Time About 24 hours 1 month 1-22 Tecra A3/S2 Series Maintenance Manual
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    Chapter 2 Troubleshooting Procedures 2
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    2 Troubleshooting Procedures 2-ii Tecra A3/S2 Series Maintenance Manual
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    2.8 Printer Port Troubleshooting 2-21 2.9 TouchPad Troubleshooting 2-23 2.10 Speaker Troubleshooting 2-25 2.11 Modem Troubleshooting 2-27 2.12 PCMCIA Troubleshooting 2-29 2.13 IEEE 1394 Troubleshooting 2-31 2.14 Wireless LAN Troubleshooting 2-33 Tecra A3/S2 Series Maintenance Manual 2-iii
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    drive troubleshooting process 2-27 Modem troubleshooting process 2-30 PCMCIA troubleshooting process 2-32 IEEE 1394 troubleshooting process 2-34 Wireless LAN troubleshooting process 2-36 Tables Table 2-1 Battery LED ...2-8 Table 2-2 DC-IN LED ...2-9 2-iv Tecra A3/S2 Series Maintenance Manual
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    disk drive troubleshooting 8. Cleaning kit for optical drive troubleshooting 9. Multimeter 10. External monitor 11. USB compatible keyboard 12. Multimedia sound system with line-in and line-out ports 13. Headphones 14. USB test module and USB cable 15. Music CD Tecra A3/S2 Series Maintenance Manual
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    procedures to execute. Before performing any troubleshooting procedures, verify the following: z Ask the user if a password is registered and, if it is, ask him or her to enter the password. z Verify with the customer that Toshiba Windows XP is installed on the hard disk. Operating systems that were
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    es If the "passw ord" m essage displays, type the passw ord, then press Enter. Is Toshiba W indow s being loaded? Y es A Perform diagnostics program . No R un C M 165.EX E and select the H ARD D ISK item . Figure 2-1 Troubleshooting flowchart (1/2) Tecra A3/S2 Series Maintenance Manual 2-3
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    in section 2.6 Perform the FDD No Troubleshooting procedures in section 2.5 After confirming which diagnostics test has detected Yes an error, perform the appropriate procedure as outlined below. End Figure 2-1 Troubleshooting flowchart (2/2) 2-4 Tecra A3/S2 Series Maintenance Manual
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    by the audio test, perform the Speaker Troubleshooting procedures in Section 2.10 and the Optical Drive Troubleshooting Procedures in Section 2.12. 7. If an error is detected by the modem test, perform the Modem Troubleshooting Procedures in Section 2.12. Tecra A3/S2 Series Maintenance Manual 2-5
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    6. If an error is detected when using the IEEE1394 device, perform the IEEE1394 device Troubleshooting procedures in Section 2.14. 7. If an error is detected when using the Wireless LAN, perform the Wireless LAN Troubleshooting procedures in Section 2.15. 2-6 Tecra A3/S2 Series Maintenance Manual
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    / battery (Procedure 2) Can you turn the computer on? No Are the internal power connections secure? Y es Replace system board Y es Run diagnostic program (Procedure 4) Perform internal connection No check (Procedure 5) END Figure 2-2 Power Supply Troubleshooting Process Tecra A3/S2 Series
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    critical low state: 3 (LED on for 1 second minutes remaining. The system is every 2 seconds) protected and cannot be re-powered on without the AC power connected. Amber color off Battery not in low or critical low state; It's in discharging state 2-8 Tecra A3/S2 Series Maintenance Manual
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    / battery replacement A faulty adaptor may not supply power or may not charge the battery. Perform Check 1. Check 1 Connect a new AC adaptor. If the problem is not resolved, go to Check 2. Check 2 Insert a new battery. If the problem is still not resolved, go to Procedure 3. Tecra A3/S2 Series
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    not light, go to Procedure 4. • If the battery LED does not light, go to Check 6. Check 6 Make sure the battery pack is installed in the computer correctly. If the battery is properly installed and the battery LED still does not light, go to Procedure 4. 2-10 Tecra A3/S2 Series Maintenance Manual
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    blown, go to Check 3. Check 2 Make sure that the battery cable is firmly connected to the system board. If it is connected firmly, go to Check 3. Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Tecra A3/S2 Series Maintenance Manual 2-11
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    es W as a display problem detected? D isplay is not No faulty. C ontinue tro u b le sh o o tin g - refer to Figure 2.1 Y es Perform connector and replacem ent check (Procedure 3) R eplace system board END Figure 2-3 Display troubleshooting process 2-12 Tecra A3/S2 Series Maintenance Manual
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    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. If an error is detected, go to Procedure 3. If an error is not detected, the display is functioning properly. Tecra A3/S2 Series Maintenance Manual 2-13
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    one and test display again. If the problem still exists, perform Check 5. Check 5 Replace the CPU with another of the same specifications. If the problem still exists, perform Check 6. Check 6 The system board may be damaged. Replace it with a new one. 2-14 Tecra A3/S2 Series Maintenance Manual
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    W as a keyboard problem detected? K eyboard is not No faulty. C ontinue tro u b le sh o o tin g - refer to Figure 2.1 Y es Perform connector and replacem ent check (Procedure 3) R eplace system board END Figure 2-4 Keyboard troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-15
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    2 The keyboard may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 3. Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-16 Tecra A3/S2 Series Maintenance Manual
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    port? No D oes an alternative U SB device function correctly? Y es O riginal U SB device is faulty No R eplace system board (Procedure 2) END Figure 2-5 External USB device troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-17
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    have the same problem as the original device, the system board may be damaged. Go to Procedure 2. Procedure 2 Replace system board If the error persists, the system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-18 Tecra A3/S2 Series Maintenance Manual
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    Troubleshooting Procedures D oes replacem ent T V cable function properly? No Perform T V set check (Procedure 2) No R eplace T V cable T V functioning ok? Y es R eplace system board END No U se different T V set Figure 2-6 TV-out troubleshooting process Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 55
    a different television to the computer. If the replacement television works, the original set may be damaged. If the replacement set does not work the system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-20 Tecra A3/S2 Series Maintenance Manual
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    Perform print port loopback check (Procedure 2) No Was a print port problem detected? No Yes Replace system board (Procedure 3) Print port is not faulty continue troubleshooting refer to Figure 2.1 END Figure 2-7 Printer port troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-21
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    printer does not work either, or the original printer functions normally on a different computer, go to Procedure 3. Procedure 3 Replace system board The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. 2-22 Tecra A3/S2 Series Maintenance Manual
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    2.9 Touch Pad Troubleshooting 2.9 TouchPad Troubleshooting START 2 Troubleshooting Procedures TouchPad connection check (Procedure 1) TouchPad replacement check (Procedure 2) Replace system board END Figure 2-8 TouchPad troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-23
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    replacement check The TouchPad unit or FPC may be defective or damaged. Replace each with a new one following the steps in Chapter 4. If the FDD is still not functioning properly, replace the system board with a new one following the steps in Chapter 4. 2-24 Tecra A3/S2 Series Maintenance Manual
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    not No faulty. Continue troubleshooting - see Figure 2-1 Do earphones function correctly? Yes Perform connection check No (Procedure 3) Perform replacement check (Procedure 4) Replace system board END Figure 2-9 Speaker troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-25
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    4 Replacement check If the stereo speakers don't sound properly, the stereo speakers may be defective or damaged. Replace them with new ones. If the stereo speakers still do not work properly, try replacing in turn the audio board and system board. 2-26 Tecra A3/S2 Series Maintenance Manual
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    Computer unable to detect telephone signal? Check / replace Yes telephone line and connections No Perform connection check (Procedure 2) Perform replacement check (Procedure 3) Replace system board END Figure 2-11 Modem troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-27
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    replacement check The modem card or RJ-11 jack may be faulty. Try replacing them. If the problem persists, the system board may be defective or damaged. Replace the System Board with a new one following the steps in Chapter 4, Replacement Procedures. 2-28 Tecra A3/S2 Series Maintenance Manual
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    SYCARD test (Procedure 1) 2 Troubleshooting Procedures Do errors occur during SYCARD test? PCMCIA unit is No not faulty. Yes Perform PCMCIA socket replacement check (Procedure 2) Replace system board END Figure 2-12 PCMCIA troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-29
  • Toshiba Tecra A3 | Maintenance Manual - Page 65
    . Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and replace the socket. If the problem persists, the system board may be defective or damaged. Replace the system board with a new one following the steps in Chapter 4. 2-30 Tecra A3/S2 Series Maintenance
  • Toshiba Tecra A3 | Maintenance Manual - Page 66
    Was an IEEE 1394 problem detected? transmission are not No faulty. Continue troubleshooting - refer to Figure 2.1 Yes Perform connection and replacement check (Procedure 3) Replace system board END Figure 2-13 IEEE 1394 troubleshooting process Tecra A3/S2 Series Maintenance Manual 2-31
  • Toshiba Tecra A3 | Maintenance Manual - Page 67
    port is firmly secured to the system board of the computer. If the malfunction persists, go to Check 3. Check 3 The transmission cable may be damaged. Replace with a good cable. If the malfunction persists, go to Check 4 2-32 Tecra A3/S2 Series Maintenance Manual
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    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
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    Perform connector and replacement check (Procedure 2) Wireless LAN system No is not faulty. Continue troubleshooting - refer to Figure 2.1 Replace wireless LAN antenna/unit Replace system board END Figure 2-14 Wireless LAN troubleshooting process 2-34 Tecra A3/S2 Series Maintenance Manual
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    3 The wireless LAN unit may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 4. 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
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    2 Troubleshooting Procedures 2.10 Speaker Troubleshooting 2-36 Tecra A3/S2 Series Maintenance Manual
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    Chapter 3 Tests and Diagnostics 3
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    3. Tests and Diagnostics 3-ii Tecra A3/S2 Series Maintenance Manual
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    Battery Charge Test 3-12 3.10 FDD Test...3-13 3.11 CD-ROM Test...3-14 3.12 Keyboard Test...3-15 3.13 Mouse (Pad) Test ...3-17 3.14 LCD Pixels Mode Test 3-19 3.15 Lid Switch Test ...3-20 3.16 HDD R/W Test ...3-21 3.17 LAN Test ...3-23 3.18 RTC Test...3-27 Satellite A80 Series Maintenance Manual
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    3. Tests and Diagnostics 3-iv Tecra A3/S2 Series Maintenance Manual
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    floppy disk drive test (Floppy Disk Drive Test) ‰ A data CD disc (CD-ROM Test) ‰ A LAN loopback connector (LAN Test) ‰ IEEE1394 Link Cable The following sections explain how to execute the Test & Diagnostic Program and detail the tests within the program. Tecra A3/S2 Series Maintenance Manual 3-1
  • Toshiba Tecra A3 | Maintenance Manual - Page 77
    C. PIO LOOPBACK TEST D. RTC TEST E. LAN TEST F. SPEAKER AUDIO TEST G. FAN ON/OFF TEST H. MAIN BATTERY CHARGE TEST I. FDD TEST J. CD-ROM TEST K. KEYBOARD TEST L. MOUSE (PAD) TEST M. LCD PIXELS MODE TEST N. LID SWITCH TEST O. HDD R/W TEST P. D1 STEPPING TEST 3-2 Tecra A3/S2 Series Maintenance Manual
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    3.2 Executing the Diagnostic Test 3. Tests and Diagnostics 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 3-3
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    Test 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. This action will be executed when "Y" key pressed. 3-4 Tecra A3/S2 Series Maintenance Manual
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    "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. Tecra A3/S2 Series Maintenance Manual 3-5
  • Toshiba Tecra A3 | Maintenance Manual - Page 81
    Š CPU type Š System memory size Š ODD type Š HDD type & capacity Š BIOS version This test needs input unit Part Number by manual to make comparison with known screen should display as below, indicating whether the test is passed or failed after comparison. 3-6 Tecra A3/S2 Series Maintenance Manual
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    Number by manual, then show this unit DMI information and makes comparison with SKU data. NOTE: To execute this test, you must input unit Part Number as "Uppercase Character". The screen should display as below, indicating whether the test is passed or failed after comparison. Tecra A3/S2 Series
  • Toshiba Tecra A3 | Maintenance Manual - Page 83
    register test & Control pin/ Status pin test. NOTE: Remember to connect a PIO loopback connector to the computer's printer port before test begins. The screen should display as below, indicating whether the test is passed or failed when finished. 3-8 Tecra A3/S2 Series Maintenance Manual
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    3.6 IEEE 1394 Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-9
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    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. 3-10 Tecra A3/S2 Series Maintenance Manual
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    Diagnostics 3.7 Fan ON/OFF Test The fan test allows the user to test aurally whether the fan is working. And follow the - it means no rotating sound. The screen should display as below, indicating whether the test is passed or failed after the question. Tecra A3/S2 Series Maintenance Manual 3-11
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    (Sony / Sanyo) Š Remain charge capacity (0 ~ 100%) Š Charge function (PASS/FAIL) - "Battery Is Full" showed when "remain charge capacity" is 100% The screen should display as below, indicating whether the test is passed or failed when finished. 3-12 Tecra A3/S2 Series Maintenance Manual
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    -protected device of this formatted diskette should be "Disable". The subtests run automatically. NOTE: Press "Esc" key can skip the current subtest. The screen should display as below, indicating whether the subtests pass or fail when finished. Tecra A3/S2 Series Maintenance Manual 3-13
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    manual. When each test item finished, the CD-ROM tray will open. Check whether the tray can open automatically. NOTE: Press "Esc" key can skip the current subtest. The screen should display as below, indicating whether the subtests pass or fail when finished. 3-14 Tecra A3/S2 Series Maintenance
  • Toshiba Tecra A3 | Maintenance Manual - Page 90
    the keyboard test. Before keyboard test starts, the keyboard matrix code should be chosen as below display: 1. K (UK, for Europe) 2. S (US, for America) 3. J (JP, for Japan) When " or "Fn+F7 " keys to check if LCD display brightness change gradually. Tecra A3/S2 Series Maintenance Manual 3-15
  • Toshiba Tecra A3 | Maintenance Manual - Page 91
    3. Tests and Diagnostics 3.12 Keyboard Test 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. 3-16 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 92
    be used to test an external USB mouse. The Touch Pad button subtest allows users to test their Touch Pad buttons. If the buttons are clicked, the cursors should appear in the corresponding box of the button figure that is displayed on the screen as below. Tecra A3/S2 Series Maintenance Manual 3-17
  • Toshiba Tecra A3 | Maintenance Manual - Page 93
    the Touch Pad installed may only have two buttons. In this case, the central compartment in the figure does not correspond to any button. 3-18 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 94
    Diagnostics 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 The screen should display as below, indicating whether the test is passed or failed after the question. Tecra A3/S2 Series Maintenance Manual 3-19
  • Toshiba Tecra A3 | Maintenance Manual - Page 95
    display. NOTE: Remember to tune up the volume as "Maximum" before this test starts. Follow below steps to run this test: 1. Close the LCD cover. 2. Heard 3 "Beep" sound happened during LCD closed. 3. Open the LCD. Then it will indicate whether the test is passed or failed. 3-20 Tecra A3/S2 Series
  • Toshiba Tecra A3 | Maintenance Manual - Page 96
    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 Addressing) mode - including sectors and sizes. Š Support Ultra DMA Mode Š Support PIO Mode Tecra A3/S2 Series Maintenance Manual 3-21
  • Toshiba Tecra A3 | Maintenance Manual - Page 97
    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. 3-22 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 98
    MAC register check: Š .PHY register check: Š .PHY IRQ(PCI) check: Š Check buffer RAM over register access: Š Test Rate Control . The LAN test includes three subtests of the: 1. Loopback (Speed=10) 3. Tests and Diagnostics The subtests run automatically. Tecra A3/S2 Series Maintenance Manual 3-23
  • Toshiba Tecra A3 | Maintenance Manual - Page 99
    3. Tests and Diagnostics The screen should display as below, indicating pass will go on to next test 3.17 LAN Test FAIL as below will keep this screen 3-24 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 100
    3.17 LAN Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-25
  • Toshiba Tecra A3 | Maintenance Manual - Page 101
    3. Tests and Diagnostics 3.17 LAN Test 3-26 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 102
    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. Tecra A3/S2 Series Maintenance Manual 3-27
  • Toshiba Tecra A3 | Maintenance Manual - Page 103
    Chapter 4 Replacement Procedures 4
  • Toshiba Tecra A3 | Maintenance Manual - Page 104
    4 Replacement Procedures 4-ii Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 105
    ...4-26 4.13 Top Cover ...4-28 4.14 Touch Pad ...4-31 4.15 Speakers ...4-32 4.16 System Board ...4-33 4.17 Direct Play buttom board 4-36 4.18 Fan, Hest & CPU ...4-37 4.19 Display Mask ...4-38 4.20 LCD Module ...4-42 4.21 FL Inverter Board ...4-44 Tecra A3/S2 Series Maintenance Manual 4-iii
  • Toshiba Tecra A3 | Maintenance Manual - Page 106
    the display assembly screws 4-26 Figure 4-22 Removing the wireless and LCD cable 4-27 Figure 4-23 Removing screw of bottom 4-28 Figure 4-24 Removing the top cover 4-29 Figure 4-25 Removing FFC cable 4-29 Figure 4-26 Removing the speakers cable 4-30 4-iv Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 107
    Replacement Procedures Figure 4-27 Removing the touch pad board 4-31 Figure 4-28 Removing the speakers display mask 4-40 Figure 4-37 Removing the LCD module-1 4-42 Figure 4-38 Removing the LCD module-2 4-43 Figure 4-39 Removing the FL inverter board 4-44 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 108
    on the following page. Battery pack Expansion Memory HDD Module System Board ODD MODEM Keyboard Direct Play Button Board Top Cover Wireless LAN Display Assembly Display Mask LCD Module Fan & Heat Sink CPU Speakers Touch Pad FL Inverter Board Tecra A3/S2 Series Maintenance Manual 4-1
  • Toshiba Tecra A3 | Maintenance Manual - Page 109
    the battery pack. Battery pack Expansion Memory HDD Module ODD MODEM Keyboard Direct Play Button Board Wireless LAN Display Assembly System Board Top Cover Display Mask LCD Module Fan & Heat Sink CPU Speakers Touch Pad FL Inverter Board 4-2 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 110
    heat, smoke, or fire. 4. Before removing an FRU or other component, make sure all cables to the component have been disconnected. 5. If you use AC power, be sure to use the cable that came with the computer or one recommended by Toshiba. Tecra A3/S2 Series Maintenance Manual 4-3
  • Toshiba Tecra A3 | Maintenance Manual - Page 111
    the AC adaptor and the battery pack as instructed in section 4.2. 1. Do not disassemble the computer unless it is replaced an FRU, make sure the computer is functioning properly by performing the appropriate test on the FRU you have fixed or replaced. 4-4 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 112
    4 Replacement Procedures Disassembly Procedures The computer has two basic general points: ‰ Take your time, making sure you follow the instructions closely. Most problems arise when you get in a hurry assembling the computer. ‰ are functioning properly. Tecra A3/S2 Series Maintenance Manual 4-5
  • Toshiba Tecra A3 | Maintenance Manual - Page 113
    destroyed parts. The following equipment is necessary to disassemble and reassemble the computer: ‰ One M2 Phillips screwdriver to remove and replace screws. ‰ One T5 security screwdriver. ‰ flooring. ‰ Air-ionizers in highly static sensitive areas. 4-6 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 114
    Remove the battery pack from the bay (3). 1 2 3 Battery pack release latch Battery pack Battery 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. 2 1 Tecra A3/S2 Series Maintenance Manual 4-7
  • Toshiba Tecra A3 | Maintenance Manual - Page 115
    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. 1. Slide the battery pack into the battery bay. The battery Figure 4-2 Removing a PC Card 4-8 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 116
    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. When handling the HDD, do not press the top surface as shown by the arrow. Hold it by the sides. Figure 4-4 HDD Tecra A3/S2 Series Maintenance Manual 4-9
  • Toshiba Tecra A3 | Maintenance Manual - Page 117
    4 Replacement Procedures Removing the HDD Module Follow the steps below to remove HDD module: 1. Turn the computer upside down 2. Remove the HDD module from the HDD case. 1 M2.5x5 2 Figure 4-5 Removing the HDD door Figure 4-6 Removing the HDD module 4-10 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 118
    . Disassembling the HDD Module To take apart the HDD, first remove it from the computer as described earlier. 1. Remove four M3x3 screws securing the HDD mounting brackets to the HDD. There are two on each side. M3X3 Figure 4-7 M3X3 Removing the HDD bracket Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 119
    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. Use one M2.5x3 screw to secure it in position. 3. Slide the Slim Select Bay latch to lock position. 4-12 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 120
    5x3 screw and slide the optical drive module from the bay. 2. Remove two M2.5x8 screws from bracket plate and five M2.5x3 screws from Base case. M2.5 x 3 M2.5 x 8 Connector cover M2.5 x 3 M2.5 x 3 Base case Figure 4-9 Removing the optical drive bracket Tecra A3/S2 Series Maintenance Manual 4-13
  • Toshiba Tecra A3 | Maintenance Manual - Page 121
    bracket plate to the rear panel of optical drive. 2. Secure the optical drive bracket plate with two black M2.5×8 screws. 3. Secure the Base case with five M2.5x3 screws. 4. Install the optical drive module into the bay and secure with one M2.5x3 screw. 4-14 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 122
    will be a safety screw. 4. Detach the two ends of the wireless LAN antenna. 5. Gently press out on the latches. One end of the wireless LAN unit will pop up. 6. Detach antenna cables from LAN card connector. 7. Grasp the wireless LAN unit and pull it out. Tecra A3/S2 Series Maintenance Manual 4-15
  • Toshiba Tecra A3 | Maintenance Manual - Page 123
    to ensure firm contact. CAUTION: Do not touch the connectors on the wireless LAN unit or on the computer. Debris on the connectors may cause malfunction. 4. Gently, push the wireless LAN unit down until the latches engage the unit to hold it in place. 4-16 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 124
    the memory module cover 3. Slide your fingernail or a thin object under the cover and lift it off. 4. Push the latches to the outside to release a module. A spring will force one end of the module up. 5. Grasp the module and pull it out. 6. Seat the cover and secure its screw. Tecra A3/S2 Series
  • Toshiba Tecra A3 | Maintenance Manual - Page 125
    4 Replacement Procedures 7. Replace the battery pack. 2 1 Latch 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. 2 1 4-18 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 126
    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 the module. Tecra A3/S2 Series Maintenance Manual 4-19
  • Toshiba Tecra A3 | Maintenance Manual - Page 127
    4 Replacement Procedures 12 Latch Figure 4-15 Installing an expansion memory 2 1 4-20 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 128
    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. Remove two black M2.5×3 screws securing the keyboard. Tecra A3/S2 Series Maintenance Manual 4-21
  • Toshiba Tecra A3 | Maintenance Manual - Page 129
    4 Replacement Procedures M2.5X3 Figure 4-17 Removing the keyboard 4. After removing the screws, flip the keyboard latch with either a bay, revealing the keyboard cable. 6. Disconnect the keyboard cable and remove the keyboard from the computer entirely. 4-22 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 130
    4 Replacement Procedures Figure 4-18 Disconnecting the keyboard cable Installing the Keyboard To install the keyboard, follow the steps either a screwdriver or a fingernail. 4. Set the strip cover and press down to secure the strip cover latches engage. Tecra A3/S2 Series Maintenance Manual 4-23
  • Toshiba Tecra A3 | Maintenance Manual - Page 131
    4 Replacement Procedures 4.10 Bluetooth Removing the Bluetooth To remove a Bluetooth unit, follow the steps below. 1. Detach a FFC cable from motherboard. 2. Remove two black M2x3 screws. 3. black M2x3 screws. 2. Connect the FFC cable to motherboard. 4-24 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 132
    4 Replacement Procedures 4.11 Modem Removing the Modem To remove the installed modem, follow the steps below: 1. Remove the Modem cover.( off its connector 4. Disconnect the modem cable from the modem module. M2.5X3 Figure 4-20 Removing the modem module Tecra A3/S2 Series Maintenance Manual 4-25
  • Toshiba Tecra A3 | Maintenance Manual - Page 133
    Replacement Procedures display assembly screws 2. Pull the strip cover. 3. Disconnect the wireless cable (1) from system. 4. Disconnect the LCD cable (2) from system. 5. Disconnect the Bluetooth cable. 6. Remove two M2.5x8 black screws securing LCD hinge. 4-26 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 134
    the LCD cable to the top chassis. 4. Connect the wireless cable to the wireless module. 5. Connect the Bluetooth cable to the Bluetooth module. 6. Reinstall the strip cover and the keyboard. 7. Secure two black M2.5x8 screws on the back of the computer. Tecra A3/S2 Series Maintenance Manual 4-27
  • Toshiba Tecra A3 | Maintenance Manual - Page 135
    memory module and wireless LAN as described in the preceding sections, then follow the steps below: 1. Remove seven black M2.5x8 and seven black M2.5x5 securing from bottom. M2.5X5 M2.5X8 M2.5X5 M2.5X8 M2.5X8 Figure 4-23 Removing screws of the bottom 4-28 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 136
    4 Replacement Procedures 2. Remove two black M2.5x5 and four black M2.5x14 screws securing the top half of the cover: M2.5X14 board FFC, Bluetooth FFC and Touch Pad FFC cables. Switch board FFC Bluetooth FFC Touch pad FFC Figure 4-25 Removing FFC cables Tecra A3/S2 Series Maintenance Manual 4-29
  • Toshiba Tecra A3 | Maintenance Manual - Page 137
    4 Replacement Procedures 4. Detach Speaker cable. Figure 4-26 Removing Speaker cables Speaker cable. 3. Secure the top cover with two black M2.5x5 and four black M2.5x14 screws. 4. Secure the seven black M2.5x8 and seven black M2.5x5 securing from bottom. 4-30 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 138
    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 . 2. Connect the Touch Pad board FFC cable to the Touch Pad, and then secure it with two black M2.5x3 screws. Tecra A3/S2 Series Maintenance Manual 4-31
  • Toshiba Tecra A3 | Maintenance Manual - Page 139
    below and refer to the figure in the preceding section: 1. Seat each speaker. The speaker cases are marked with L (left) and R (right). 2. Secure each speaker with two black M2.5x3 screws. 3. Attached the left and right speaker cables to the system board. 4-32 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 140
    Follow the steps below to remove the LAN board. 1. Detach the LAN cable from motherboard. 2. Remove one M2.5x3 screw securing the LAN board. 3. Remove Modem cable. 4. Remove the LAN board. 4 Replacement Procedures M2.5X3 Figure 4-29 Removing LAN board Tecra A3/S2 Series Maintenance Manual 4-33
  • Toshiba Tecra A3 | Maintenance Manual - Page 141
    screw. 2. Attach LAN cable. 3. Attach Modem Cable Removing the USB Board Follow the steps below to remove the USB board. 1. Detach the USB cable from motherboard. 2. Remove the USB board. Figure 4-30 Removing USB board 4-34 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 142
    Replacement Procedures Installing the USB Board Follow the step below to install the USB board. 1. Connect the USB cable to the connector on motherboard. Removing the System Board To remove the system board, first remove the LCD display the system board. Tecra A3/S2 Series Maintenance Manual 4-35
  • Toshiba Tecra A3 | Maintenance Manual - Page 143
    4 Replacement Procedures Installing the System Board To install the system board, follow the steps below and refer to the figures in the Remove two M2.5x 3 screws and FFC from top cover. M2.5X3 FFC Figure 4-32 Removing the Direct Play Button board 4-36 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 144
    4 Replacement Procedures Installing the Direct Play Button Board To install the Direct Play Button board, follow the steps below and refer to sink in the order indicated on the heat sink. Lift out the heat sink while preventing stress to the CPU below. Tecra A3/S2 Series Maintenance Manual 4-37
  • Toshiba Tecra A3 | Maintenance Manual - Page 145
    4 Replacement Procedures M2.5X5 Figure 4-34 Removing the heat sink 5. Turn the cam on the CPU socket with a flat-blade screwdriver so that with the open side of the CPU socket to unlock the CPU. Figure 4-35 Removing the CPU 6. Gently lift out the CPU. 4-38 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 146
    4 Replacement Procedures Installing the CPU To install the CPU, follow the steps below and refer to the figures in the preceding section connectors to the system board. 9. Secure the fan module to the topside of the system board with three M2.5x5 screws. Tecra A3/S2 Series Maintenance Manual 4-39
  • Toshiba Tecra A3 | Maintenance Manual - Page 147
    , then follow the steps below: 1. Remove two black M2.5x5 screws on the upper corner. 2. Remove the mask seals by unsnapping the display mask along the two sides and the bottom edge to remove display. 1 M2.5X5 2 Figure 4-36 Removing the display mask 4-40 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 148
    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
  • Toshiba Tecra A3 | Maintenance Manual - Page 149
    the display assembly and display mask, then follow the steps below. 1. Remove two M2.5x5 black screws securing the LCD module bracket to LCD cover. 2. Disconnect the LCD cable from the FL inverter board. 1 M2.5X5 2 Figure 4-37 Removing the LCD module-1 4-42 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 150
    LCD bracket. Then replace the whole LCD display assembly. 2. Secure the LCD module bracket to the LCD module with eight M2x3 screws. 3. Connect the LCD cable to the FL inverter board. 4. Secure the LCD module bracket to the LCD module with two M2.5x5 screws. Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 151
    the steps below and refer to the figure in the preceding section. 1. Secure one black M2x3 screw connecting the FL inverter board to the LCD display assembly. 2. Reassemble the computer. 4-44 Tecra A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 152
    The LCD module can be easily damaged during assembly or disassembly. Therefore, please observe the following precautions when handling it so that it is properly aligned and maximum visibility of the display is maintained. 2. Be careful to align the holes at TECRA A3/S2 Series Maintenance Manual A-1
  • Toshiba Tecra A3 | Maintenance Manual - Page 153
    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. A-2 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 154
    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. TECRA A3/S2 Series Maintenance Manual A-3
  • Toshiba Tecra A3 | Maintenance Manual - Page 155
    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. A-4 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 156
    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 A-5
  • Toshiba Tecra A3 | Maintenance Manual - Page 157
    A-6 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 158
    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 B-1
  • Toshiba Tecra A3 | Maintenance Manual - Page 159
    B.2 System Board (FRDSY*) Button View Figure B-2 System board (FRDSY*) layout (Button) B-2 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 160
    Mark (A) (B) (C) (D) (E) (F) (G) (H) (I) Table B-1 System board ICs (top and bottom) Number U5 U17 U15 U22 U27 U36 U41 U8 U16 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 B-3
  • Toshiba Tecra A3 | Maintenance Manual - Page 161
    CPU Stocket Spearker conn TV-Out Fan conn Bluetooth conn TP conn TP conn for Hot bar USB/B conn HDD conn PCMCIA Conn 1394 conn Audio jack Docking conn DDR conn Mini-PCI conn 5 in 1 conn MDC conn ODD conn Power core conn Battery conn B-4 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 162
    VSS - 39 VSS - 40 VSS - 41 DQ16 I/O 42 DQ20 I/O 43 DQ17 I/O 44 DQ21 I/O 45 2.5VDD O 46 2.5VDD O 47 DQS2 I/O 48 DM2 O 49 DQ18 I/O 50v DQ22 I/O TECRA A3/S2 Series Maintenance Manual C-1
  • Toshiba Tecra A3 | Maintenance Manual - Page 163
    /A13 - 98 DU/BA2 - 99 A12 - 100 A11 O 101 A9 O 102 A8 O 103 VSS - 104 VSS - 105 A7 O 106 A6 O 107 A5 O 108 A4 O 109 A3 O 110 A2 O 111 A1 O 112 A0 O 113 2.5VDD O 114 2.5VDD O C-2 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 164
    2.5VDD O 169 DQS6 I/O 170 DM6 O 171 DQ50 I/O 172 DQ54 I/O 173 VSS - 174 VSS - 175 DQ51 I/O 176 DQ55 I/O 177 DQ56 I/O 178 DQ60 I/O 179 2.5VDD O 180 2.5VDD O TECRA A3/S2 Series Maintenance Manual C-3
  • Toshiba Tecra A3 | Maintenance Manual - Page 165
    I/O 183 DQS7 I/O 184 DM7 O 185 VSS - 186 VSS - 187 DQ58 I/O 188 DQ62 I/O 189 DQ59 I/O 190 DQ63 I/O 191 2.5VDD O 192 2.5VDD O 193 SDA I/O 194 SA0 O 195 SCL O 196 SA1 O 197 3.3VDD_SPD O 198 SA2 O 199 VDD_ID O 200 DU - C-4 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 166
    I/O Pin No. Signal Name I/O 1 CRT_R O 2 CRT_G O 3 CRT_B O 4 NC - 5 GND - 6 GND - 7 GND - 8 GND - 9 +CRT_VCC - 10 GND - 11 NC - 12 DDC_DATA I/O 13 DACA_HSYNC O 14 DACA_VSYNC O 15 DDC_CLK I/O TECRA A3/S2 Series Maintenance Manual C-5
  • Toshiba Tecra A3 | Maintenance Manual - Page 167
    I 17 PCSEL O 16 PDDACK# O 15 GND - 14 IRQ14 I 13 NC - 12 PDA1 O 11 NC - 10 PDA0 O 9 PDA2 O 8 PDCS1# O 7 PDCS3# O 6 PHDD_LED# I 5 GND - 4 +5VS - 3 +5VS - 2 GND - 1 NC - C-6 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 168
    +5VCD O 39 +5VCD - 40 +5VCD - 41 +5VCD - 42 +5VCD - 43 GND - 44 GND - 45 GND - 46 GND - 47 GND - 48 GND - 49 NC - 50 NC - TECRA A3/S2 Series Maintenance Manual C-7
  • Toshiba Tecra A3 | Maintenance Manual - Page 169
    S1_RST I 49 S1_A4 I 50 S1_WAIT# I 51 S1_A3 I 52 S1_INPACK# O 53 S1_A2 I 54 S1_REG# I 55 S1_A1 I 56 S1_BVD2 O 57 S1_A0 I 58 S1_BVD1 I 59 S1_D0 I 60 S1_D8 I/O TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 170
    TECRA A3/S2 Series Maintenance Manual C-9
  • Toshiba Tecra A3 | Maintenance Manual - Page 171
    - 73 GND - 74 GND - 75 GND - 76 GND - 77 GND - 78 GND - 79 GND - 80 GND - 81 GND - 82 GND - 83 GND - 84 GND - C-10 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 172
    MINI_IDSEL I/O 49 GND - 50 GND - 51 AD21 I/O 52 AD22 I/O 53 AD19 I/O 54 AD20 I/O 55 GND - 56 PAR I/O 57 AD17 I/O 58 AD18 I/O 59 CBE2# I/O 60 AD16 I/O TECRA A3/S2 Series Maintenance Manual C-11
  • Toshiba Tecra A3 | Maintenance Manual - Page 173
    - 113 GND - 114 GND - 115 NC - 116 NC - 117 GND - 118 GND - 119 GND - 120 GND - 121 NC - 122 NC - 123 +5VS_MINIPCI - 124 +3.3V - C-12 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 174
    TECRA A3/S2 Series Maintenance Manual C-13
  • Toshiba Tecra A3 | Maintenance Manual - Page 175
    Power Inverter Control signal Power Inverter Control signal Non-Connection Inverter Control signal DDC 3.3V POWER SUPPLY : +3.3V Power for Panel DDC Clock Power for Panel DDC DATA Power Panel Data Signals Panel Data Signals GND GND Panel Clock Signals C-14 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 176
    SD-CLK SD-VCC SD-CMD SD-DAT3 SD-DAT2 M5-B5 MS-DATA1 MS-DATA0 MS-DATA2 MS-INS MS-DATA3 MS-SCLK TECRA A3/S2 Series Maintenance Manual Pin No. 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 Signal Name S.M/xD
  • Toshiba Tecra A3 | Maintenance Manual - Page 177
    -SPEED1 O 3 GND - C.10 PJP1 Table C-10 AC Adaptor Connector pin assignments (3-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 DC_IN_S2 I 2 DC_IN_S2 - 3 GND - 4 GND - C-16 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 178
    - 5 NC - 6 ANGND - C.12 JP22 Table C-12 Headphone Connector pin assignments (6-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 ANGND - 2 INTSPK_L1 O 3 INTSPK_R1 O 4 NBA_PLUG I 5 ANGND - 6 NC - TECRA A3/S2 Series Maintenance Manual C-17
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    43 *2 25 O 18 98 44 F0 44 *2 26 P 19 99 4D F0 4D *2 27 [ { 1A 9A 54 F0 54 28 ] } 1B 9B 5B F0 5B TECRA A3/S2 Series Maintenance Manual D-1
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    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 38 K 25 A5 42 F0 42 39 L 26 A6 35 B5 4A F0 4A 57 Shift (R) 36 B6 59 F0 59 Note *5 *2 *2 *2 *2 *3 *2 *2 *2 *2 D-2 TECRA A3/S2 Series Maintenance Manual
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    C1 83 F0 83 119 F8 42 C2 0A F0 0A 120 F9 43 C3 01 F0 01 121 F10 44 C4 09 F0 09 *3 TECRA A3/S2 Series Maintenance Manual D-3
  • Toshiba Tecra A3 | Maintenance Manual - Page 182
    corresponds to key No. 42 in a 102-key model. Refer to Table D-6, No. 124 key scan code. Refer to Table D-7, No. 126 key scan code. D-4 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 183
    1 Set 2 With left Shift With right Shift E0 AA E0 B6 E0 2A E0 36 E0 F0 12_________ E0 F0 59 E0 12 E0 59 TECRA A3/S2 Series Maintenance Manual D-5
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    11 E0 F0 11 121 ARROW 45 C5 77 F0 77 122 NUMERIC 45 C5 77 F0 77 123 Scrl 46 C6 7E F0 7E D-6 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 185
    + Shift + Alt + E0 37 E0 37 54 E0 B7 E0 B7 D4 E0 7C E0 7C 84 E0 F0 7C E0 F0 7C F0 B4 TECRA A3/S2 Series Maintenance Manual D-7
  • Toshiba Tecra A3 | Maintenance Manual - Page 186
    Table D-7 No.126 key scan code Key top Shift Code set 1 Code set 2 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. D-8 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 187
    Appendix E Appendix E Key Layout E.1 United States (US) Keyboard Figure E-1 US keyboard TECRA A3/S2 Series Maintenance Manual E-1
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    E.2 United Kingdom (UK) Keyboard Figure E-2 UK keyboard E-2 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 189
    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 E-3
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    E.5 Korean (KO) Keyboard Figure E-5 KO keyboard E-4 TECRA A3/S2 Series Maintenance Manual
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    E.6 French (FR) Keyboard Figure E-6 FR keyboard TECRA A3/S2 Series Maintenance Manual E-5
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    E.7 French-Canadian Keyboard Figure E-7 FR-C keyboard E.8 Portuguese Keyboard Figure E8 Portuguese keyboard E-6 TECRA A3/S2 Series Maintenance Manual
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    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 E-7
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    E.11 Chinese-T Keyboard Figure E-11 CH-T keyboard E.12 Swedish Keyboard Figure E-12 Swedish keyboard E-8 TECRA A3/S2 Series Maintenance Manual
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    E.13 ITALIAN Keyboard Figure E-13 IT keyboard E.14 CZECH Keyboard Figure E-14 Czech keyboard TECRA A3/S2 Series Maintenance Manual E-9
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    E-10 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 197
    (R) TO 1 TOP SHIELD BATT TO LOG UP 1 TP BRK TO LOG UP 1.5~2.0kg 1.5~2.0kg 2.5~3.0kg 2.5~3.0kg MMCK25030Z0 M2.5*3 1 SPEAKER R/L TO LOG UP 2.5~3.0kg MMCK25030Z0 M2.5*3 1 TP PCB TO LOG UP 2.5~3.0kg MMCK25030Z0 M2.5*3 1 POWER PCB TO LU 2.5~3.0kg TECRA A3/S2 Series Maintenance Manual F-1
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  • Toshiba Tecra A3 | Maintenance Manual - Page 199
    MMCK25050Z0 MMCK25050Z0 MMCK25050Z0 SCREW SPEC Q'ty LOCATION SCREW TORQUE SHIELD MB 1 STANDOFF TO HINGE SADDLE TO LU 1 LL TO LL SHIELD TO HINGE SADDLE TO LU 1 LL TO LL SHIELD HINGE SADDLE TO LU 2 LL 0kg 2.5~3.0kg 2.5~3.0kg 2.5~3.0kg 2.5~3.0kg TECRA A3/S2 Series Maintenance Manual F-2
  • Toshiba Tecra A3 | Maintenance Manual - Page 200
    STANDOFF 2 FIX BAY BRACKET WITH DRIVER 2.0~2.5kg 2.0~2.5kg MM000000200 MM000000300 ECTQ0069000 M2.5*3.6 (SPECIAL SCREW) M2.5*3.6 (SPECIAL SCREW) (SPECIAL SCREW) 1 MINI PCI BRACKET TO LOG LOW 1 MINI PCI BRACKET TO LOG LOW 1 RAM DOOR TO LOG LOW F-3 TECRA A3/S2 Series Maintenance Manual
  • Toshiba Tecra A3 | Maintenance Manual - Page 201
    G Appendix G Reliability The following table shows MTBF (Mean Time Between Failures) for each component. Table G-1 MTBF Component LCD Keyboard HDD Removable FDD Optical (DVD/CD) drive AC adaptor Time (hours) 50,000 40,000 300,000 30,000 60,000 60,000 TECRA A3/S2 Series Maintenance Manual G-1
  • Toshiba Tecra A3 | Maintenance Manual - Page 202
    G-2 TECRA A3/S2 Series Maintenance Manual
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Toshiba Personal Computer
TECRA A3/S2
Maintenance Manual
TOSHIBA CORPORATION