Manuale d’uso / di manutenzione del prodotto Tecra A3/S2 del fabbricante Toshiba
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Toshiba Personal Computer TECRA A3/S2 Maintenance Manual TOSHIBA CORPORATION.
ii Tecra A3/S2 Maintenance Manual Copyright © 2004 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written perm ission of Toshiba. No patent liability is assumed with respect to the use of the inform ation contained herein.
Tecra A3/S2 Maintenance Manual iii WARNING: ...... “Warning” indicates the existence of a hazard that could result in bodily injury if the safety instruction is not observed. CAUTION: ... “Caution” indicates the existence of a hazard that could result in property damage if the safety instruction is not observed.
iv Tecra A3/S2 Maintenance Manual The manual is divided into the following parts: Chapter 1 ...................................................................................................................... ......... Hardware Overview describes the Tecra A3/S2 Series system unit and each FRU.
Tecra A3/S2 Maintenance Manual v Conventions This manual uses the following formats to describe, identify, and highlight term s and operating procedures. Acronyms On the first appearance and whenever necessary for clarification acronyms are enclosed in parentheses following their definition.
vi Tecra A3/S2 Maintenance Manual Table of Contents Chapter 1 Hardware Overview 1.1 Features ................................................................................................................... ......... 1-1 1.2 System Unit ............
Tecra A3/S2 Maintenance Manual vii Chapter 3 Tests and Diagnostics 3.1 The Diagnostic Test ........................................................... Error! Bookmark not defined. 3.2 Executing the Diagnostic Test .....................................
viii Tecra A3/S2 Maintenance Manual Chapter 4 Replacement Procedures 4.1 General ....................................................................................................................... ...... 4-1 4.2 Battery ...........................
Tecra A3/S2 Maintenance Manual ix Appendices Appendix A Handling the LCD Module ................................................................................. A-1 Appendix B Board Layout .............................................................
Chapter 1 Hardware Overview 1.
1 Hardware Overview 1-ii Tecra A3/S2 Series Maintenance Manual.
1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-iii Chapter 1 Contents 1.1 Features ...................................................................................................................... 1-5 1.2 System Unit ................
1 Hardware Overview 1-iv Tecra A3/S2 Series Maintenance Manual.
1.2 System Unit 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-5 1.1 Features The TECRA A3/S2 Series Personal Computer uses extensiv e Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (C MOS) technology extensively to provide compact size, minimum weight and high reliability.
1 Hardware Overview 1.2 System Unit 1-6 Tecra A3/S2 Series Maintenance Manual 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.
1.2 System Unit 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-7 Keyboard An easy-to-use 87-key keyboard provides a numer ic 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.
1 Hardware Overview 1.2 System Unit 1-8 Tecra A3/S2 Series Maintenance Manual PCMCIA Card Organization • Accommodate one type II de vice for TECRA A3 or two t ype 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.
1.2 System Unit 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-9 TV-out port Plug a 4-pins S-video cable into this connector for output of NTSC or PAL TV standard, supporting Macrovision copy protection. LAN port The computer comes with an RJ-45 Local Area Network (LAN) port.
1 Hardware Overview 1.2 System Unit 1-10 Tecra A3/S2 Series Maintenance Manual 1.2 System Unit The system unit is composed of the following m ajor components: Processor • Intel Celeron M CPU up to 1.5GHz 0.09u, 1M L2, FSB 400MHz • Intel Pentium M CPU up to 2.
1.2 System Unit 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-11 • High Speed 16C550A Compatible UARTs with Send/Receiv e 16-Byte FIFO • Supports 230k and 460k Baud • Programmable Baud Rate Generator • Modem Control Circuitry Infrared Communications Controller • IrDA v1.
1 Hardware Overview 1.2 System Unit 1-12 Tecra A3/S2 Series Maintenance Manual • 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).
1.2 System Unit 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-13 Marvell 88E8053 for Giga LAN • PCI Express base specif ication 1.0a compliant • x1 PCI Express interface with 2.
1 Hardware Overview 1.3 2.5-inch Hard Disk Drive 1-14 Tecra A3/S2 Series Maintenance Manual 1.3 2.5-inch Hard Disk Drive The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5- inch magnetic disk and mini-W inchester type ma gnetic heads.
1.4 Removable Drives 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-15 1.4 Optical Devices module The module compartments can accommoda te the following rem ovable modules: • DVD-ROM drive • CD-RW/DVD-ROM drive • DVD±R/±RW drive • DVD Super Multi drive • CD-ROM driver 1.
1 Hardware Overview 1.4 Removable Drives 1-16 Tecra A3/S2 Series Maintenance Manual Supported formats CD: CD-Audio CD-ROM (m ode 1 and m ode 2) CD-ROM X A (mode 2, f orm 1 and f orm 2) CD-I Bridge CD-I (mode 2, form 1 and form 2) CD-TEXT Video C D CD-RW Photo CD CD-R 1.
1.5 Power Supply 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-17 1.4.4 DVD±R/±RW Drive The DVD±R/±RW drive (Pioneer DVR-K15) is capab le of driving either 12cm (4.
1 Hardware Overview 1.5 Power Supply 1-18 Tecra A3/S2 Series Maintenance Manual DVD-RAM Standard rotational speed Write speeds CD-R Maximum 24 tim es faster rotational speed CD-RW Maximum 10 times(Hig.
1.5 Power Supply 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-19 1.5 Power Supply The power supply supplies seven different volta ges to the system board and performs the following functions: 1.
1 Hardware Overview 1.5 Power Supply 1-20 Tecra A3/S2 Series Maintenance Manual 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.
1.6 Batteries 1 Hardware Overview Tecra A3/S2 Series Maintenance Manual 1-21 1.6 Batteries The computer has two types of battery: Main battery pack (18650 size) RTC battery The removable main battery pack is the compute r’s main power source when the AC adaptor is not attached.
1 Hardware Overview 1.6 Batteries 1-22 Tecra A3/S2 Series Maintenance Manual NOTES 1. 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.
Chapter 2 Troubleshooting Procedures 2.
2 Troubleshooting Procedures 2-ii Tecra A3/S2 Series Maintenance Manual.
2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2- iii Chapter 2 Contents 2.1 Troubleshooting Introduction .................................................................................... 2-1 2.2 Troubleshooting Flowchart ......
2 Troubleshooting Procedures 2-iv Tecra A3/S2 Series Maintenance Ma nual Figures Figure 2-1 Troubleshooting flowchart (1/2) .................................................................... 2-3 Figure 2-1 Troubleshooting flowchart (2/2) ...........
2.1 Troubleshooting Introduction 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-1 2.1 Troubleshooting Introduction Chapter 2 describes how to determine if a Fi eld Replaceable Unit (FRU) in the com puter is causing the computer to malfunction.
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting 2-2 Tecra A3/S2 Series Maintenance Manual 2.2 Troubleshooting Flowcha rt If you know the location of the ma lfunction, turn directly to the appropriate section of this chapter.
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures STA RT C onnect t h e A C adapter to t h e D C - IN socket Is the D C -IN L E D o n ? Is th e B a tte ry L E D o n ? T u rn th e P o w e r.
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting A Does ty ped characters appear corre ctly? Insert the diagnostics disk into the FDD. Then run the diagno stics test program.
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-5 If the diagnostics program cannot detect an erro r, the problem may be intermittent. The test program should be executed several times to isol ate the problem.
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting 2-6 Tecra A3/S2 Series Maintenance Manual Other problems that are not covered by the diag nostics program may be discovered by a user. 1. If an error is detected when using an ex ternal USB device, perform the External USB Devices Troubleshooting pr ocedures in Section 2.
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting STA RT A re t he D C - IN and B a tte ry L E D s li t? Can you tur n the com puter on? Are the i nternal .
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting The power supply controls many functions and com ponents. To determ ine if the power supply is functioning properly, start with Proc edure 1 and continue with the ot her Procedures as instructed.
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-9 Table 2-2 DC-IN LED AC-IN LED Po wer supply status Solid on AC power exists (LED is solid green).
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Procedure 3 Power supply connection check The power supply wiring diagram is shown below: AC adaptor Sys t e m boar d B a tte ry A C adaptor cord AC p o we r c o r d Any of the connectors may be disconnected.
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-11 Procedure 4 Diagnostic check The power supply may not charge the battery pack. Perform the following procedures: 1. Reinstall the battery pack. 2.
2 Troubleshooting Procedures 2.4 Display Troubleshooting 2.4 Display Troubleshooting P er for m ext ernal d i s play check (P ro ce du re 1 ) ST A RT D o es t he ex t ernal d isp la y fu nc tio n o k .
2.4 Display Troubleshooting 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-13 This section describes how to determ ine 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.
2 Troubleshooting Procedures 2.4 Display Troubleshooting 2-14 Tecra A3/S2 Series Maintenance Manual 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 dam aged.
2.5 Keyboard Troubleshooting 2 Troubleshooting Procedures 2.5 Keyboard Troubleshooting P e rf orm ext ernal keyboard check (P ro ce du re 1 ) ST A RT D o es t he ex t ernal keyboard f uncti on o k? P .
2 Troubleshooting Procedures 2.5 Keyboard Troubleshooting 2-16 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s keyboard is functioning properly, perform the following procedures. Figure 2-5 outlines the p rocess. Start with Procedure 1 and co ntinue with the other procedures as instructed.
2.6 External USB Devices Troubleshoo ting 2 Troubleshooting Procedures 2.6 External USB Devices Troubleshooting R epl ace sys tem board (Procedure 2) END O rig in a l U S B devi ce i s f ault y P e rf.
2 Troubleshooting Procedures 2.6 External USB Devices Troubleshooting 2-18 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s external US B devices are functioning properly, perform the following procedures. Figure 2-6 outlines the proce ss.
2.7 TV-Out Failure Troubleshootin g 2 Troubleshooting Procedures 2.7 TV-Out Failure Troubleshooting P e rf orm T V connect i on check (Procedure 1) ST A RT D oes r epl acem ent T V ca ble f uncti on p.
2 Troubleshooting Procedures 2.7 TV-Out Failure Troubleshooting 2-20 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s TV-out por t is functioning properly, perform the following procedures. Figure 2-7 outlines the p rocess. Start with Procedure 1 and co ntinue as instructed.
2.8 Printer Port Troubleshooting 2 Troubleshooting Procedures 2.8 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 faulty continue troubleshooting refer to Figure 2.
2 Troubleshooting Procedures 2.8 Printer Port Troubleshooting 2-22 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s printer (par allel) port is functioni ng properly, perform the following procedures. Figure 2-8 outlines the proce ss.
2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting START END TouchPad connection check (Procedure 1) TouchPad replacement check (Procedure 2) Replace sy stem board.
2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting 2-24 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s built-in TouchP ad is functioning properly, perform the following procedures. Figure 2-9 outlines the p rocess. Start with Procedure 1 and co ntinue as instructed.
2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.10 Speaker Troubleshooting START Do al l so urces ha ve sam e problem? END Per for m earpho ne te st (Procedure 2 ) Do earphones function c.
2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting 2-26 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s built-in speaker s are functioning properly, perform the following procedures. Figure 2-10 outlines the process. Firs t adjust the s peaker volume to an appropriate level.
2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.11 Modem Troubleshooting START Computer unabl e to detect teleph one sig nal? END Perform connection ch eck (Procedu re 2) Perform replacem.
2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting 2-28 Tecra A3/S2 Series Maintenance Manual This section describes how to determ ine if th e computer's modem is functioning properly. Figure 2-12 outlines the process. Perform the steps belo w starting with Procedure 1 and continuing with the other procedures as required.
2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.12 PCMCIA Troubleshooting START Do errors occur du ring SYCARD test? Perf orm PCM CIA sock et replacem ent check (Procedure 2) Replace s yst em board END PCMCIA unit is not faulty .
2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting 2-30 Tecra A3/S2 Series Maintenance Manual This section describes how to determ ine 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.
2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures 2.13 IEEE 1394 Troubleshooting START Perform IEEE 13 94 dev ice check (P roc edu re 1 ) I s I EEE 1394 tra nsmissi on ok? Pe rform diagn o st.
2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting 2-32 Tecra A3/S2 Series Maintenance Manual To determine if the computer’s IEEE 1394 syst em is functioning properly, perform the following procedures. Figure 2-14 outlines the process. Start with Procedure 1 and c ontinue with the other procedures as instructed.
2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-33 Check 4 The system board may be dam aged. Replace it with a new one following the instructions in Chapter 4.
2 Troubleshooting Procedures 2.10 Speaker Troubleshooting 2.14 Wireless LAN Troubleshooting START Perform diagnostic t est (Procedure 1) Was a wireless L AN problem delected? Perform connector and replacement check (Procedure 2) Replace wireless L AN antenna/unit Replace sy stem board END Yes Wireless L AN sy stem is not faulty .
2.10 Speaker Troubleshooting 2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual 2-35 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 ma y be damaged.
2 Troubleshooting Procedures 2.10 Speaker Troubleshooting 2-36 Tecra A3/S2 Series Maintenance Manual.
Chapter 3 Tests and Diagnostics 3.
3. Tests and Diagnostics 3-ii Tecra A3/S2 Series Maintenance Manual.
Test and Diagnostic Operation Satellite A80 Series Maintenance Manual 3-iii Contents 3.1 The Diagnostic Test ......................................................................................................... 3-1 3.2 Executing the Diagnostic Test .
3. Tests and Diagnostics 3-iv Tecra A3/S2 Series Maintenance Manual.
3.1 The Diagnostic Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-1 3.1 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.
3. Tests and Diagnostics 3.2 Executing the Diagnostic Test 3-2 Tecra A3/S2 Series Maintenance Manual 3.2 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.
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.
3. Tests and Diagnostics 3.2 Executing the Diagnostic 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.
3.2 Executing the Diagnostic Test 3. Tests and Diagnostics 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 f or next test if “ N ” key pressed.
3. Tests and Diagnostics 3.3 Config Check Test 3.3 Config Check Test The config check test checks unit configuration. It includes: CPU type System mem ory size ODD type HDD type & capacity BIOS version This test needs input unit Part Number by manual to m ake comparison with known SKU data.
3.4 DMI Check Test 3. Tests and Diagnostics 3.4 DMI Check Test This test will check if the computer’s Desktop Management Interface (DMI) is correct. DMI includes: Manufacturer Production Nam.
3. Tests and Diagnostics 3.5 PIO Loopback Test 3.5 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.
3.6 IEEE 1394 Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-9.
3. Tests and Diagnostics 3.7 Speaker Audio Test 3.6 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.
3.8 Fan ON/OFF Test 3. Tests and Diagnostics 3.7 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.
3. Tests and Diagnostics 3.9 Main Battery Change Test 3.8 Main Battery Charge Test NOTE : The AC adaptor ( 120W/90W, 19V ) should be connected to successfully run this test.
3.10 FDD Test 3. Tests and Diagnostics 3.9 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.
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.
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.
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.
3.13 Mouse (Pad) Test 3. Tests and Diagnostics 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: 1. Mouse Speed (on a scale from slow to fast) 2.
3. Tests and Diagnostics 3.13 Mouse (Pad) Test 3-18 Tecra A3/S2 Series Maintenance Manual 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.
3.14 LCD Pixels Mode Test 3. Tests and 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 Mode - including 40*25 (16 colors) and 80*25 (2/16colors). 2.
3. Tests and Diagnostics 3.15 Lid Switch Test 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.
3.16 HDD R/W Test 3. Tests and Diagnostics 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.
3. Tests and Diagnostics 3.16 HDD R/W Test 3-22 Tecra A3/S2 Series Maintenance Manual 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.
3.17 LAN Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-23 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: .
3. Tests and Diagnostics 3.17 LAN Test The screen should display as below, indicating pass will go on to next test FAIL as below will keep this screen 3-24 Tecra A3/S2 Series Maintenance Manual.
3.17 LAN Test 3. Tests and Diagnostics 3.17 LAN Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual 3-25 Tecra A3/S2 Series Maintenance Manual 3-25.
3. Tests and Diagnostics 3.17 LAN Test 3-26 Tecra A3/S2 Series Maintenance Manual.
3.19 CD Control Button Test 3. Tests and Diagnostics 3.17 RTC Test Checks the computer’s RTC (Real Time Clock) and calendar functions by com paring 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.
Chapter 4 Replacement Procedures 4.
4 Replacement Procedures 4-ii Tecra A3/S2 Series Maintenance Manual.
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-iii Chapter 4 Contents 4.1 General ....................................................................................................................... ...... 4-1 4.2 Battery ........
4 Replacement Procedures 4-iv Tecra A3/S2 Series Maintenance Manual Figures Figure 4-1 Removing the battery pack ................................................................................... 4-7 Figure 4-2 Removing a PC card ....................
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-v Figure 4-27 Removing the touch pad board ........................................................................... 4-31 Figure 4-28 Removing the speakers ............................
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-1 4.1 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.
4 Replacement Procedures 4-2 Tecra A3/S2 Series Maintenance Manual 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.
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-3 Safety Precautions Before you begin disassembly, read the following safety precautions and observe them carefully as you work. DANGER: 1 . Always use the lithium ion battery pack or backup battery that is authorized by Toshiba or compatible with the unit.
4 Replacement Procedures 4-4 Tecra A3/S2 Series Maintenance Manual Before You Begin Look over the procedures in this section before you begin disassembling the computer. Familiarize yourself with the disassembly and reassem bly steps. Begin each procedure by removing the AC adaptor and the battery pack as instructed in section 4.
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-5 Disassembly Procedures The computer has two basic types of cable connectors: Pressure Plate Connectors Standard Pin Connector.
4 Replacement Procedures 4-6 Tecra A3/S2 Series Maintenance Manual 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.
4 Replacement Procedures 4.2 Battery Removing the Battery Pack To remove the battery pack from the battery bay, follow the steps below. 1. Turn the computer upside down. 2. Disengage the battery pack lock (1). 3. Release the battery pack release latch (2).
4 Replacement Procedures Installing the Battery Pack To install the battery pack in the battery bay, follow the steps below and refer to the figure in the preceding section. WARNING: The battery is a lithium ion battery and can explode if not properly replaced, used, handled or disposed of.
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. 1. Make sure the eject button does not stick out. 2. Insert a PC Card and press gently to ensure a firm connection.
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. Remove the HDD module from the HDD case.
4 Replacement Procedures Installing the HDD Module To install the HDD module, follow the steps below and refer to the figures in the preceding section.
4 Replacement Procedures 4.5 Optical Drive Module Removing the Optical Drive Module To remove the optical drive module, you need to rem ove the HDD module first. Follow the steps below: 1. Turn the computer upside down. 2. Remove one M2.5x3 screw securing the optical drive module into place.
4 Replacement Procedures 4.6 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. 1. Remove one M2.5x3 screw and slide the optical drive module from the bay.
4 Replacement Procedures 4.6 Optical Drive 4-14 Tecra A3/S2 Series Maintenance Manual 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.
4 Replacement Procedures 4.7 Wireless LAN Removing the Wireless LAN 1. Turn the computer upside down and loosen the embedded M2.5x5 screw securing the wireless LAN compartment cover. 1 2 1 2 M2.5x5 Figure 4-10 Removing the wireless LAN cover 2. Lift off the wireless LAN compartment cover.
4 Replacement Procedures M2.5X3.6 1 2 3 4 Figure 4-11 Removing the wireless LAN unit CAUTION : Do not touch the connectors on the wireless LAN unit or on the computer.
4 Replacement Procedures 5. Attach the ends of the wireless LAN antenna. Connect the antenna cables (a black one and a white one) to LAN card’s connector. 6. 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.
4 Replacement Procedures 7. Replace the battery pack. 1 2 Latch 1 2 Figure 4-13 Removing a memory module CAUTION : Do not touch the connectors on the expansion memory or on the computer.
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 m odule: 1.
4 Replacement Procedures 1 2 Latch 1 2 Figure 4-15 Installing an expansion memory 4-20 Tecra A3/S2 Series Maintenance Manual.
4 Replacement Procedures 4.9 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. Remove two black M2.
4 Replacement Procedures M2.5X3 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 com puter entirely.
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.
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.
4 Replacement Procedures 4.11 Modem Removing the Modem To remove the installed modem , follow the steps below: 1. Remove the Modem cover. (Refer Figure 4-12) 2. Remove two black M2.5x3 screws securing the modem module. 3. Carefully lift the unit off its connector 4.
4 Replacement Procedures 4-26 Tecra A3/S2 Series Maintenance Manual 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 m odem module. 2. Fit the modem into its connector and secure it with two black M2.
4 Replacement Procedures 1 2 M2.5X8 M2.5X8 Figure 4-22 Removing the wireless and LCD cables 7. Lift the display assembly from the com puter’s chassis. Installing the Display Assembly To install the display assembly, follow the steps below and refer to the figures in the preceding section.
4 Replacement Procedures 4.13 Top Cover Removing the Top Cover To remove the top covers, first remove the battery pack, display assem bly, optical drive module, HDD, memory m odule and wireless LAN as described in the preceding sections, then follow the steps below: 1.
4 Replacement Procedures 2. Remove two black M2.5x5 and four black M2.5x14 screws securing the top half of the cover: M2.5X5 M2.5X14 Figure 4-24 Removing the top cover 3.
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. 1. Seat the top cover and secure the Switch board FFC, Bluetooth FFC and Touch Pad FFC cables.
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. Remove one black M2.
4 Replacement Procedures 4.15 Speakers Removing the Speakers To remove the speakers, first remove the top cover, then follow the steps below: M2.5X3 M2.5X3 Figure 4-28 Removing the speakers 1. Remove two black M2.5x3 screws securing each speaker into place.
4 Replacement Procedures 4.16 System Board Removing the LAN Board 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 Installing the LAN Board Follow the step below to install the LAN board. 1. Secure the LAN board with one M2.5x3 screw. 2. Attach LAN cable. 3. Attach Modem Cable Removing the USB Board Follow the steps below to remove the USB board.
4 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 rem ove the LCD display assembly and the top cover, then follow the steps below: 1.
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.
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.
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 the notch on the cam is aligned with the open side of the CPU socket to unlock the CPU. Figure 4-35 Removing the CPU 6.
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-39 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.
4 Replacement Procedures 4.19 Display Mask Removing the Display Mask To remove the display mask, first rem ove the display assembly as described earlier, then follow the steps below: 1.
4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual 4-41 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.
4 Replacement Procedures 4.20 LCD Module Removing the LCD Module To remove the LCD module, first rem ove 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.
4 Replacement Procedures 3. Remove eight M2x3 screws securing LCD module bracket to the LCD m odule. M2X3 M2X3 Figure 4-38 Removing the LCD module-2 1. Remove the LCD module. NOTE : If the LCD module malfunctions, remove the LCD cable and LCD bracket.
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 assem bly, 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.
Appendix A Appendix A Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assem bly or disassembly.
A-2 TECRA A3/S2 Series Maintenance Manual 3. If the panel’s surface gets dirty, wipe it with cotton or a soft cloth. If it is still dirty, try If the surface is very dirty, we recommend a CRT cleaning agent. Apply the agent to a breathing on the surface to create a light condensate and wipe it again.
TECRA A3/S2 Series Maintenance Manual A-3 5. Glass is used in the panel, so be careful not to drop it or let it strike a hard object, which could cause breakage or cracks. 6. CMOS-LSI circuits are used in the module, so guard against damage from electrostatic discharge.
A-4 TECRA A3/S2 Series Maintenance Manual 7. Do not expose the module to direct sunlight or strong ultraviolet rays for long periods. 8. Do not store the module at temperatures be low specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage.
TECRA A3/S2 Series Maintenance Manual A-5 10. odule, do not use packing material that contains epoxy resin (amine) or silicon glue (alcohol or oxime). These materials can release gas that can dam age the panel’s polarization.
A-6 TECRA A3/S2 Series Maintenance Manual.
Appendix B Appendix B Board Layout B.1 System Board (FRDSY*) T op View Figure B-1 System board (FRDSY*) layout (Top) TECRA A3/S2 Series Maintenance Manual B-1.
B.2 System Board (FRDSY*) Button V iew Figure B-2 System board (FRDSY*) layout (Button) B-2 TECRA A3/S2 Series Maintenance Manual.
TECRA A3/S2 Series Maintenance Manual B-3 Tab stem board ICs (top and b Mark Num Name le B-1 Sy ottom) ber (A) U5 Intel Alviso Chip (B) U17 ICH6-M (C) U15 ENE 910L (D) U22 Marvell 88SA8040 (E) U27 Rea.
B-4 TECRA A3/S2 Series Maintenance Manual Table B-2 System board connector nd bottom) N r e s (top a umbe Nam JP1 CRT conn. JP2 Docking modem conn. JP3 LAN/B conn.
TECRA A3/S2 Series Maintenance Manual C-1 C. Appendix C Pin Assignments System Board C.1 JP24 ble M I in a ts 4) Pin No. I/O Pin No. I/O ,JP25 Ta C-1 SODIM /F p ssignmen (200-PIN) (1/ Signal name Signal Name 1 VREF O 2 VREF O 3 VSS - 4 VSS - 5 DQ0 I/O 6 DQ4 I/O 7 DQ1 I/O 8 DQ5 I/O 9 25VDD D O 10 2.
C-2 TECRA A3/S2 Series Maintenance Manual Table M I n a ts 4) Pin No. Pin No. C-1 SODIM /F pi ssignmen (200-PIN) (2/ Signal name I/O Signal Name I/O 51 VSS - 52 VSS - 53 DQ19 I/O 54 DQ23 I/O 55 DQ24 I/O 56 DQ28 I/O 57 2.
TECRA A3/S2 Series Maintenance Manual C-3 Table M I in a ts 4) Pin No. I/O Pin No. I/O C-1 SODIM /F p ssignmen (200-PIN) (3/ Signal name Signal Name 115 A10/AP O 116 BA1 O 117 BA0 O 118 RAS# O 119 WE# # O 120 CAS O 121 SO# O 122 S1# - 123 DU - 124 DU - 125 VSS - 126 VSS - 127 DQ32 I/O 128 DQ36 I/O 129 DQ33 I/O 130 DQ37 I/O 131 2.
C-4 TECRA A3/S2 Series Maintenance Manual Table M I n a ts 4) Pin No. Pin No. I/O C-1 SODIM /F pi ssignmen (200-PIN) (4/ Signal name I/O Signal Name 181 DQ57 I/O I/O 182 DQ61 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.
TECRA A3/S2 Series Maintenance Manual C-5 C.2 JP1 B I/ n a nts Pin No. I/O Pin No. I/O Table C-2 RG F pi ssignme (15-pin) Signal name Signal Name 1 CRT_R O 2 CRT_G O 3 CRT_B O 4 NC - 5 GND - 6 GND - 7.
C-6 TECRA A3/S2 Series Maintenance Manual C.3 JP18 DD pin n Pin No. Pin No. Table C-3 H I/F assignme ts (44-pin) Signal name I/O Signal Name I/O 44 PIDE-RST# O 43 GND - 42 PDD7 I/O 41 PDD8 I/O 40 PDD6.
TECRA A3/S2 Series Maintenance Manual C-7 C.4 JP31 ODD pin ents Pin No. I/O Pin No. I/O Table C-4 I/F assignm (50-pin) Signal name Signal Name 1 INT_CD_L I 2 INT_CD_R I 3 CD_AGND - 4 GND - 5 SIDE_RST#.
C-8 TECRA A3/S2 Series Maintenance Manual C.5 JP19 ab rd I in a nts ) Pin No. Pin No. I/O T le C-5 PC Ca /F p ssignme (84-pin) (1/2 Signal name I/O Signal Name 1 GND - 2 GND - 3 S1_D3 I/O 4 S1_CD1# O .
TECRA A3/S2 Series Maintenance Manual C-9.
C-10 TECRA A3/S2 Series Maintenance Manual Table C-5 PC Card I/F pin assignments (84-pin) (2/2) Pin No. Signal name I/O Pin No. Signal Name I/O 61 S S 1_D1 I/O 62 1_D9 I/O 63 2 I/O D10 I/O S1_D 64 S1_.
TECRA A3/S2 Series Maintenance Manual C-11 C.6 JP28 Table C-6 Mini PCI I/F pin assignments (124-pin) (1/2) Pin No. e Pin No. Name Signal nam I/O Signal I/O 1 NC - 2 NC - 3 NC - 4 NC - 5 NC - 6 NC - 7 NC - 8 NC - 9 NC - 10 NC - 11 NC - 12 NC - 13 SWITCH O 14 NC - 15 NC - 16 NC - 17 PIRQH# INIPCI I 18 +5VS_M - 19 +3.
C-12 TECRA A3/S2 Series Maintenance Manual Table C-6 Mini PCI I/F pin assignments (124-pin)(2/2) Pin No. Signal name I/O Pin No. Signal Name I/O 61 IRDY# GND - I/O 62 63 +3.3V O 64 FRAME# I/O 65 PM_CLKRUN# I/O 66 TRDY# I/O 67 PCI_SERR# I/O 68 STOP# I/O 69 GND - 70 +3.
TECRA A3/S2 Series Maintenance Manual C-13.
C-14 TECRA A3/S2 Series Maintenance Manual C.7 JP6 Pin No. Signal name Function 1 er B+ Pow 2 DA BRIG Inverter C trol sign C_ on al 3 B+ Power 4 INVT_PWM Inverter Control signal 5 NC Non-Connection 6 DISPOFF# Inverter Control signal 7 +3VS DDC 3.3V POWER SUPPLY : +3.
TECRA A3/S2 Series Maintenance Manual C-15 32 GMCH_TXCLK- Panel Clock Signals 33 GMCH_TZCLK+ Panel Clock Signals 34 XC el C Sign GMCH_T LK+ Pan lock als 35 NC Non-Connection 36 NC Non-Connection 37 NC Non-Connection 38 NC Non-Connection 39 LCD_ID No EDID Panel Detect 40 VSS GND C.
C-16 TECRA A3/S2 Series Maintenance Manual 20 MS-VCC 42 SD-CD-SW 21 S.M/xD-04 43 SM-WP-SW 22 S.M/xD-05 44 5in1-GND C.9 JP12 Table C-9-1 JP12 Fan I/F pin assignments (3-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 FAN1 I 2 FAN-SPEED1 O 3 GND - C.
TECRA A3/S2 Series Maintenance Manual C-17 C.1 1 JP21 Table C-11 Microphone I/F pin assignments (6-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 ANGND - 2 MIC I 3 BIAS I 4 NC - 5 NC - 6 ANGND - C.12 JP22 Table C-12 Headphone Connector pin assignments (6-pin) Pin No.
TECRA A3/S2 Series Maintenance Manual D-1 Appendix D Appendix D Keyboard Scan/Character Codes Table D-1 s (set 1 and Code set 2 Scan code set 2) (1/4) Code set 1 Cap No.
D-2 TECRA A3/S2 Series Maintenance Manual Table D-1 s (set 1 and Code set 2 Scan code set 2) (2/4) Code set 1 Cap Ke p Make Break Make reak Note No. yto B 29 | 2B AB 5D F0 5D *5 30 Cap ock s L 3A BA .
TECRA A3/S2 Series Maintenance Manual D-3 Table D es (set 1 and s Code set 2 -1 Scan cod et 2) (3/4) Code set 1 Cap Make Break Make Break Note No. Keytop 58 Ctrl(L) 1D 9D 14 F0 14 *3 60 Alt (L) 38 8 1.
D-4 TECRA A3/S2 Series Maintenance Manual Table D es (set 1 and s Code set 1 Code set 2 -1 Scan cod et 2) (4/4) Cap No. K ake eak ake Break Note eytop M Br M 122 F11 57 D7 78 F0 78 *3 123 F12 58 D8 07.
TECRA A3/S2 Series Maintenance Manual D-5 T can codes with left Shift k Code set 1 Code set 2 able D-2 S ey Cap No. Key top Make Make Break Break 55 / E0 AA E0 35 E0 B5 E0 2A E0 F0 12 E0 4A E0 F0 4A E.
D-6 TECRA A3/S2 Series Maintenance Manual Ta an codes in Numlock mod Code set 1 Code set 2 ble D-3 Sc e Cap No. Key top Make Break Make Break 75 INS E0 2A E0 52 E0 D2 E0 AA E0 12 E0 70 E0 F0 70 E0 F0 .
TECRA A3/S2 Series Maintenance Manual D-7 Table D-5 Scan codes in overlay mode Code set 1 Code set 2 Cap No. eyto Make Break M Break K p ake 09 8 (8) 48 C8 75 F0 75 10 9 (9) 49 C9 7D F0 7D 11 0 (*) 37.
D-8 TECRA A3/S2 Series Maintenance Manual Table D-7 No.126 key scan code Code set 1 Code set 2 Key top Shift Make Make Pause Common E1 1D 45 E1 9D C5 E1 14 77 E1 F0 14 F0 77 Ctrl E0 46 E0 C6 E0 7E E0 F0 7E *: This key generates only make codes.
Appendix E Appendix E Key Layout E.1 United St ates (US) Keyboard Figure E-1 US keyboard TECRA A3/S2 Seri es Maintenance Manual E-1.
E.2 United Kingdom (UK) Keyboard Figure E-2 UK keyboard E-2 TECRA A3/S2 Se ries Ma intenance Ma nual.
E.3 S p anish (SP) Keyboard Figure E-3 SP keyboard E.4 Jap anese (JA) Keyboard Figure E-4 JA keyboard TECRA A3/S2 Seri es Maintenance Manual E-3.
E.5 Korean (KO) Keyboard Figure E-5 KO keyboard E-4 TECRA A3/S2 Se ries Ma intenance Ma nual.
E.6 French (FR) Keyboard Figure E-6 FR keyboard TECRA A3/S2 Seri es Maintenance Manual E-5.
E.7 French-Canadian Keyboard E-7 FR-C keyboard Figure E.8 Portuguese Keyboard Figure E8 Portuguese keyboard E-6 TECRA A3/S2 Se ries Ma intenance Ma nual.
E.9 US-INTERNA TIONAL Keyboard E-9 US-INTE Keyboard Figure E.10 Greece(GR) Keyboard Figure E-10 GR keyboard TECRA A3/S2 Seri es Maintenance Manual E-7.
E.1 1 Chinese-T Keyboard Figure E-11 CH-T keyboard E.12 Swedish Keyboard Figure E-12 Swedish keyboard E-8 TECRA A3/S2 Se ries Ma intenance Ma nual.
E.13 IT ALIAN Ke yboard Figure E-13 IT keyboard E.14 CZECH Ke yboard Figure E-14 Czech keyboard TECRA A3/S2 Seri es Maintenance Manual E-9.
E-10 TECRA A3/S2 Series Main tena nce Manual.
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 MMCK25050Z0 M2.5*5 4 LCD BRACKET ASSY (R/L) TO COVER SUB ASSY 2.5~3.0kg MMCK20030Z0 M2.0*3 8 LCD BRK TO LCD PANEL (15") 2.
.
SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE LOGIC ASSY MACK25080Z0 M2.5*8 1 LOG LOW TO HINGE SADDLE R TO LOG UP 1.2~1.5kg MACK25080Z0 M2.5*8 1 LL TO LL SHIELD TO MB TO LU 1.2~1.5kg MACK25080Z0 M2.5*8 1 LL TO LL SHIELD MB STANDOFF TO HINGE SADDLE TO LU 1.
F-3 TECRA A3/S2 Se ries Ma intenance Ma nual MMCK25030Z0 M2.5*3 2 KB TO TOP SHIELD BATT TO LU 2.5~3.0kg MMCK25030Z0 M2.5*3 1 RJ11/45 PCB TO LL SHIELD TO LL 2.5~3.0kg MMCK25030Z0 M2.5*3 2 MDC MODEN TO MDC MODEN STANDOFF 2.5~3.0kg MMCK25030Z0 M2.5*3 1 LCD WIRE TO UP 2.
TECRA A3/S2 Seri es Maintenance Manual G-1 Appendix G Appendix G Reliability The followin g table shows MT BF (Mean Tim e ach compone nt. Table G-1 MTB ent Time ) Between Fail ures) for e F Compon (ho.
G-2 TECRA A3/S2 Series Maintenance Ma nual.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Toshiba Tecra A3/S2 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Toshiba Tecra A3/S2 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Toshiba Tecra A3/S2 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Toshiba Tecra A3/S2 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Toshiba Tecra A3/S2, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Toshiba Tecra A3/S2.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Toshiba Tecra A3/S2. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Toshiba Tecra A3/S2 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
