Toshiba Personal Computer
TOSHIBA CORPORATION
TECRA A3/S2 Maintenance Manual
Copyright
injury if the safety instruction is not observed
The manual is divided into the following parts Chapter
DISKCOPY A B
Chapter 1 Hardware Overview
Table of Contents
Chapter 2 Troubleshooting Procedures
Chapter 3 Tests and Diagnostics
General
Chapter 4 Replacement Procedures
Key Layout
Appendices
Board Layout
Chapter Hardware Overview
1-ii
1 Hardware Overview
Tecra A3/S2 Series Maintenance Manual
Error! Bookmark not defined
Contents
Chapter
1 Hardware Overview
1-iv
Tecra A3/S2 Series Maintenance Manual
1 Hardware Overview
1 Hardware Overview
1.1 Features
1.2 System Unit
1.2 System Unit
? BIOS ? 1MB Flash ROM for system BIOS a Suspend to RAM/Disk
1 Hardware Overview
? Keyboard
1.2 System Unit
1 Hardware Overview
? PCMCIA Card Organization
1 Hardware Overview
1.2 System Unit
? TV-out port
1.2 System Unit
1 Hardware Overview
1.2 System Unit
1.2 System Unit
1 Hardware Overview
1 Hardware Overview
Realtek ALC250VD for AC97 codec
1.2 System Unit
1.2 System Unit
TI PCI7411 Card Bus Host Adapter
1 Hardware Overview
Marvell 88E8036 for 10/100M LAN
Marvell 88E8053 for Giga LAN
Marvell 88SA8040 for Serial ATA Bridge
1.2 System Unit
1.3 2.5-inch Hard Disk Drive
1.3 2.5-inch Hard Disk Drive
Tecra A3/S2 Series Maintenance Manual
1 Hardware Overview
1.4 Removable Drives
1.4 Optical Devices module
1.4.1 DVD-ROM Drive
1.4.2 CD-ROM Drive
1.4 Removable Drives
1.4.3 CD-RW/DVD-ROM Drive
1 Hardware Overview
1.4.4 DVD±R/±RW Drive
1.5 Power Supply
1.4.5 DVD Super Multi Drive
1 Hardware Overview
Standard rotational speed
DVD-RAM
1.5 Power Supply
1 Hardware Overview
1 Hardware Overview
1.5 Power Supply
1.5 Power Supply
1 Hardware Overview
1.5 Power Supply
6. Power ON/OFF sequence
1.6 Batteries
1.6.1 Main Battery
1.6 Batteries
1 Hardware Overview
1.6 Batteries
1.6.2 RTC battery
1 Hardware Overview
Chapter Troubleshooting Procedures
2-ii
2 Troubleshooting Procedures
Tecra A3/S2 Series Maintenance Manual
2 Troubleshooting Procedures
Contents
Troubleshooting Introduction
Chapter
2 Troubleshooting Procedures
Figures
Tables
2 Troubleshooting Procedures
2.1 Troubleshooting Introduction
2.1 Troubleshooting Introduction
2 Troubleshooting Procedures
2.2 Troubleshooting Flowchart
2.3 Power Supply Troubleshooting
2.3 Power Supply Troubleshooting
Figure 2-1 Troubleshooting flowchart 1/2
2 Troubleshooting Procedures
Tecra A3/S2 Series Maintenance Manual
2.3 Power Supply Troubleshooting
Figure 2-1 Troubleshooting flowchart 2/2
2 Troubleshooting Procedures
If the diagnostics program cannot detect an error, the problem may be intermittent. The test program should be executed several times to isolate the problem. When a problem has been located, perform the appropriate troubleshooting procedures as follows
2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
Other problems that are not covered by the diagnostics program may be discovered by a user
2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting
Figure 2-2 Power Supply Troubleshooting Process
2.3 Power Supply Troubleshooting
2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
Table 2-1 Battery LED
Procedure 1 Power Status Check
Battery State
LED colors
AC power exists LED is solid green
Power supply status
No AC power exists
Procedure 2 Adaptor / battery replacement
AC power cord
Procedure 3 Power supply connection check
Battery
2 Troubleshooting Procedures
Procedure 5 Replacement check
Procedure 4 Diagnostic check
2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
2.4 Display Troubleshooting
2.4 Display Troubleshooting
Figure 2-3 Display troubleshooting process
2 Troubleshooting Procedures
Procedure 2 Diagnostic check
Procedure 1 External display check
2.4 Display Troubleshooting
2 Troubleshooting Procedures
2.4 Display Troubleshooting
Procedure 3 Connector and replacement check
2 Troubleshooting Procedures
2.5 Keyboard Troubleshooting
2.5 Keyboard Troubleshooting
Figure 2-4 Keyboard troubleshooting process
2 Troubleshooting Procedures
2 Troubleshooting Procedures
Procedure 1 External keyboard check
2.5 Keyboard Troubleshooting
Procedure 2 Diagnostic check
2.6 External USB Devices Troubleshooting
2.6 External USB Devices Troubleshooting
Figure 2-5 External USB device troubleshooting process
2 Troubleshooting Procedures
Procedure 2 Replace system board
Procedure 1 External device and connection check
2 Troubleshooting Procedures
2.6 External USB Devices Troubleshooting
2.7 TV-Out Failure Troubleshooting
2.7 TV-Out Failure Troubleshooting
Figure 2-6 TV-out troubleshooting process
2 Troubleshooting Procedures
Procedure 2 TV set check
Procedure 1 TV connection check
2 Troubleshooting Procedures
2.7 TV-Out Failure Troubleshooting
2.8 Printer Port Troubleshooting
2.8 Printer Port Troubleshooting
Figure 2-7 Printer port troubleshooting process
2 Troubleshooting Procedures
Procedure 2 Printer port loopback check
Procedure 1 Diagnostic check
Procedure 3 Replace system board
2 Troubleshooting Procedures
2.9 Touch Pad Troubleshooting
2.9 TouchPad Troubleshooting
Figure 2-8 TouchPad troubleshooting process
2 Troubleshooting Procedures
Procedure 1 TouchPad connection check
2.9 TouchPad Troubleshooting
Procedure 2 TouchPad replacement check
2 Troubleshooting Procedures
Figure 2-9 Speaker troubleshooting process
2.10 Speaker Troubleshooting
2.9 Touch Pad Troubleshooting
2 Troubleshooting Procedures
Procedure 2 Earphone test
Procedure 1 Audio source test
Procedure 3 Connection check
Procedure 4 Replacement check
Figure 2-11 Modem troubleshooting process
2.11 Modem Troubleshooting
2.9 Touch Pad Troubleshooting
2 Troubleshooting Procedures
Procedure 2 Modem card connection check
Procedure 1 Telephone line connection check
Procedure 3 Modem replacement check
2 Troubleshooting Procedures
Figure 2-12 PCMCIA troubleshooting process
2.12 PCMCIA Troubleshooting
2.9 Touch Pad Troubleshooting
2 Troubleshooting Procedures
Procedure 2 PCMCIA socket replacement check
Procedure 1 SYCARD test
2 Troubleshooting Procedures
2.9 TouchPad Troubleshooting
Figure 2-13 IEEE 1394 troubleshooting process
2.13 IEEE 1394 Troubleshooting
2.9 Touch Pad Troubleshooting
2 Troubleshooting Procedures
Procedure 3 Connection and replacement check
Procedure 1 IEEE 1394 device check
2 Troubleshooting Procedures
2.9 TouchPad Troubleshooting
2 Troubleshooting Procedures
2.9 Touch Pad Troubleshooting
Tecra A3/S2 Series Maintenance Manual
2-33
2.10 Speaker Troubleshooting
2.14 Wireless LAN Troubleshooting
Figure 2-14 Wireless LAN troubleshooting process
2 Troubleshooting Procedures
Diagnostic test
Procedure
Procedure 2 Connector and replacement check
2.10 Speaker Troubleshooting
2.10 Speaker Troubleshooting
2 Troubleshooting Procedures
Tecra A3/S2 Series Maintenance Manual
2-36
Chapter Tests and Diagnostics
3-ii
3. Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
3-11
Test and Diagnostic Operation
3-12
3-13
3-iv
3. Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
3.1 The Diagnostic Test
3.1 The Diagnostic Test
NOTES To start the diagnostics, follow these steps
2. Exit this program when you are at Main Menu
Tecra A3/S2 Series Maintenance Manual
3. Tests and Diagnostics
3. Tests and Diagnostics
3.2 Executing the Diagnostic Test
3.2 Executing the Diagnostic Test
The below display will show up at the beginning of T&D program
Executing the Diagnostic Test
3. Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
If an error is detected and a test fails, the following message displays
3.2 Executing the Diagnostic Test
3. Tests and Diagnostics
3. Tests and Diagnostics
NOTE Press Pause to pause a test and Enter to resume
3.2 Executing the Diagnostic Test
Tecra A3/S2 Series Maintenance Manual
3.3 Parallel Port Test
3.3 Config Check Test
3 Tests and Diagnostics
3. Tests and Diagnostics
3.4 DMI Check Test
3.4 DMI Check Test
3. Tests and Diagnostics
3.5 PIO Loopback Test
3.5 PIO Loopback Test
3. Tests and Diagnostics
3.6 IEEE 1394 Test
Tecra A3/S2 Series Maintenance Manual
3-10
3. Tests and Diagnostics
3.6 Speaker Audio Test
3.7 Speaker Audio Test
3. Tests and Diagnostics
3.7 Fan ON/OFF Test
3.8 Fan ON/OFF Test
3. Tests and Diagnostics
3.8 Main Battery Charge Test
3.9 Main Battery Change Test
3.10 FDD Test
3.9 FDD Test
NOTE Press “Esc” key can skip the current subtest
3 Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
3. Tests and Diagnostics
3.10 FDD Test
3-15
3.11 CD-ROM Test
3.10 CD-ROM Test
3. Tests and Diagnostics
NOTE Press “Esc” key can skip the current subtest
3. Tests and Diagnostics
3.11 Keyboard Test
3.12 Keyboard Test
Tecra A3/S2 Series Maintenance Manual
3. Tests and Diagnostics
3.12 Keyboard Test
3-18
Tecra A3/S2 Series Maintenance Manual
3. Tests and Diagnostics
3.12 Keyboard Test
3-19
3.13 Mouse Pad Test
3.12 Mouse Pad Test
NOTE The Touch Pad test cannot be used to test an external USB mouse
3. Tests and Diagnostics
After checking T/Pad buttons and cursor’s function, use “Tab” key or use T/Pad cursor to click the “OK” column will end this test
3. Tests and Diagnostics
3.13 Mouse Pad Test
3. Tests and Diagnostics
3.13 LCD Pixels Mode Test
3.14 LCD Pixels Mode Test
3. Tests and Diagnostics
3.14 Lid Switch Test
3.15 Lid Switch Test
3. Tests and Diagnostics
3.15 HDD R/W Test
3.16 HDD R/W Test
NOTE The AC adaptor should be connected to successfully run this test
NOTE Press “Ctrl + Break” keys can terminate the current subtest
3. Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
3.17 LAN Test
3.16 LAN Test
NOTE LAN loopback needs to plug in before test begins
3. Tests and Diagnostics
pass will go on to next test
The screen should display as below, indicating
3. Tests and Diagnostics
Tecra A3/S2 Series Maintenance Manual
Tecra A3/S2 Series Maintenance Manual
3. Tests and Diagnostics
3.17 LAN Test
3-28
Tecra A3/S2 Series Maintenance Manual
3. Tests and Diagnostics
3.17 LAN Test
3-29
3. Tests and Diagnostics
3.17 RTC Test
3.19 CD Control Button Test
Chapter Replacement Procedures
4-ii
4 Replacement Procedures
Tecra A3/S2 Series Maintenance Manual
4 Replacement Procedures
Contents
Battery
Chapter
Removing the HDD Module
4 Replacement Procedures
Figures
Removing the FL inverter board
4 Replacement Procedures
4 Replacement Procedures
4.1 General
Display Assembly
Expansion Memory
The example below shows FRUs to be removed before the Direct Play button board can be removed and repaired or replaced. The Direct Play button board is overlapped by the top cover which must be removed before the Direct Play button board can be reached. The removable HDD, keyboard, wireless LAN, ODD, modem, and display assembly in turn overlap the top cover. Always starts the disassembly process by removing the battery pack
4 Replacement Procedures
DANGER
Safety Precautions
WARNING To avoid the risk of electric shock or other injury
3. Never work with wet or damp hands
4 Replacement Procedures
Before You Begin
4 Replacement Procedures
Disassembly Procedures
Assembly Procedures
4 Replacement Procedures
Tools and Equipment
Removing the Battery Pack
4.2 Battery
Figure 4-1 Removing the battery pack
4 Replacement Procedures
4.3 PC Card
Installing the Battery Pack
Removing a PC Card
4 Replacement Procedures
Tecra A3/S2 Series Maintenance Manual
4 Replacement Procedures Figure 4-2 Removing a PC Card
Figure 4-3 Installing a PC Card
Installing a PC Card
4.4 HDD
4 Replacement Procedures
Figure 4-5 Removing the HDD door
Removing the HDD Module
4 Replacement Procedures
Tecra A3/S2 Series Maintenance Manual
Figure 4-6 Removing the HDD module
Installing the HDD Module
Disassembling the HDD Module
4 Replacement Procedures
Removing the Optical Drive Module
4 Replacement Procedures Figure 4-7 Removing the HDD bracket
4.5 Optical Drive Module
4 Replacement Procedures
Installing the Optical Drive Module
Figure 4-8 Removing the optical drive module
Disassembling the Optical Drive
4.6 Optical Drive
Figure 4-9 Removing the optical drive bracket
4 Replacement Procedures
4 Replacement Procedures
4.6 Optical Drive
Reassembling the Optical Drive
Removing the Wireless LAN
4.7 Wireless LAN
Figure 4-10 Removing the wireless LAN cover
4 Replacement Procedures
4 Replacement Procedures
Figure 4-11 Removing the wireless LAN unit
Installing the Wireless LAN
Removing an Expansion Memory
4.8 Expansion Memory Module
Figure 4-12 Removing the memory module cover
4 Replacement Procedures
4 Replacement Procedures
Figure 4-13 Removing a memory module
7. Replace the battery pack
Tecra A3/S2 Series Maintenance Manual
4 Replacement Procedures
Installing an Expansion Memory Module
Figure 4-14 Removing an expansion memory cover
4 Replacement Procedures
Figure 4-15 Installing an expansion memory
Tecra A3/S2 Series Maintenance Manual
4-22
Removing the Keyboard
4.9 Keyboard
Figure 4-16 Removing the strip cover
4 Replacement Procedures
5. Lift the keyboard out of its bay, revealing the keyboard cable
Figure 4-17 Removing the keyboard
4 Replacement Procedures
Installing the Keyboard
4 Replacement Procedures Figure 4-18 Disconnecting the keyboard cable
Removing the Bluetooth
4.10 Bluetooth
Figure 4-19 Removing the Bluetooth
Installing the Bluetooth
Removing the Modem
4.11 Modem
Figure 4-20 Removing the modem module
4 Replacement Procedures
Installing the Modem
4.12 Display Assembly
Removing the Display Assembly
Figure 4-21 Removing the display assembly screws
4 Replacement Procedures
Figure 4-22 Removing the wireless and LCD cables
Installing the Display Assembly
Removing the Top Cover
4.13 Top Cover
Removing screws of the bottom
4 Replacement Procedures
Figure 4-25 Removing FFC cables
Figure 4-24 Removing the top cover
4 Replacement Procedures
Tecra A3/S2 Series Maintenance Manual
4 Replacement Procedures
Installing the Top Cover
Figure 4-26 Removing Speaker cables
4.14 Touch Pad
Installing the Touch Pad
Removing the Touch Pad
Figure 4-27 Removing the Touch Pad board
4.15 Speakers
Installing the Speakers
Removing the Speakers
Figure 4-28 Removing the speakers
Removing the LAN Board
4.16 System Board
Figure 4-29 Removing LAN board
4 Replacement Procedures
Removing the USB Board
Installing the LAN Board
Figure 4-30 Removing USB board
4 Replacement Procedures
Removing the System Board
Installing the USB Board
Figure 4-31 Removing the system board
4 Replacement Procedures
4.17 Direct Play Button Board
Installing the System Board
Removing the Direct Play Button Board
Figure 4-32 Removing the Direct Play Button board
4.18 Fan, Heat Sink, & CPU
Installing the Direct Play Button Board
Removing the Fan, Heat Sink & CPU
4 Replacement Procedures
Figure 4-34 Removing the heat sink
Figure 4-33 Removing the fan module
Figure 4-35 Removing the CPU
4 Replacement Procedures
4 Replacement Procedures
Installing the CPU
Removing the Display Mask
4.19 Display Mask
Figure 4-36 Removing the display mask
4 Replacement Procedures
4 Replacement Procedures
Installing the Display Mask
Tecra A3/S2 Series Maintenance Manual
1. Seat the display mask and secure the snaps on each side
Removing the LCD Module
4.20 LCD Module
Figure 4-37 Removing the LCD module-1
4 Replacement Procedures
4 Replacement Procedures
Installing the LCD Module
Figure 4-38 Removing the LCD module-2
4.21 FL Inverter Board
Installing the FL Inverter Board
Removing the FL Inverter Board
Figure 4-39 Removing the FL inverter board
Appendix A Handling the LCD Module
Precautions for handling the LCD module
3. If the panel’s surface gets dirty, wipe it with cotton or a soft cloth. If it is still dirty, try breathing on the surface to create a light condensate and wipe it again
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
7. Do not expose the module to direct sunlight or strong ultraviolet rays for long periods
TECRA A3/S2 Series Maintenance Manual
TECRA A3/S2 Series Maintenance Manual
B.1 System Board FRDSY* Top View
Appendix B Board Layout
Figure B-1 System board FRDSY* layout Top
TECRA A3/S2 Series Maintenance Manual
TECRA A3/S2 Series Maintenance Manual
B.2 System Board FRDSY* Button View
Figure B-2 System board FRDSY* layout Button
TECRA A3/S2 Series Maintenance Manual
Table B-1 System board ICs top and bottom
Mark
Number
TECRA A3/S2 Series Maintenance Manual
Table B-2 System board connectors top and bottom
Number
Name
System Board C.1 JP24,JP25
Appendix C Pin Assignments
Table C-1 SODIMM I/F pin assignments 200-PIN 1/4
Signal name
Signal name
Table C-1 SODIMM I/F pin assignments 200-PIN 2/4
Signal Name
TECRA A3/S2 Series Maintenance Manual
Signal name
Table C-1 SODIMM I/F pin assignments 200-PIN 3/4
Signal Name
TECRA A3/S2 Series Maintenance Manual
Signal name
Table C-1 SODIMM I/F pin assignments 200-PIN 4/4
Signal Name
TECRA A3/S2 Series Maintenance Manual
Table C-2 RGB I/F pin assignments 15-pin
C.2 JP1
Signal name
Signal Name
Table C-3 HDD I/F pin assignments 44-pin
C.3 JP18
Signal name
Signal Name
Table C-4 ODD I/F pin assignments 50-pin
C.4 JP31
Signal name
Signal Name
Table C-5 PC Card I/F pin assignments 84-pin 1/2
C.5 JP19
Signal name
Signal Name
S1D8
TECRA A3/S2 Series Maintenance Manual
S1D0
Signal name
Table C-5 PC Card I/F pin assignments 84-pin 2/2
Signal Name
TECRA A3/S2 Series Maintenance Manual
Table C-6 Mini PCI I/F pin assignments 124-pin 1/2
C.6 JP28
Signal name
Signal Name
C-12
TECRA A3/S2 Series Maintenance Manual
Signal name
Table C-6 Mini PCI I/F pin assignments 124-pin2/2
Signal Name
TECRA A3/S2 Series Maintenance Manual
C-14
TECRA A3/S2 Series Maintenance Manual
Signal name
C.7 JP6
TECRA A3/S2 Series Maintenance Manual
Pin No
Signal name
C.8 JP29
Signal Name
TECRA A3/S2 Series Maintenance Manual
C.9 JP12
Table C-10 AC Adaptor Connector pin assignments 3-pin
C.10 PJP1
Table C-9-1 JP12 Fan I/F pin assignments 3-pin
C.11 JP21
Table C-12 Headphone Connector pin assignments 6-pin
C.12 JP22
Table C-11 Microphone I/F pin assignments 6-pin
Table D-1 Scan codes set 1 and set 2 1/4
Appendix D Keyboard Scan/Character Codes
TECRA A3/S2 Series Maintenance Manual
Keytop
TECRA A3/S2 Series Maintenance Manual
Table D-1 Scan codes set 1 and set 2 2/4
Keytop
Code set
TECRA A3/S2 Series Maintenance Manual
Table D-1 Scan codes set 1 and set 2 3/4
Keytop
Code set
1. * Scan codes differ by mode
Table D-1 Scan codes set 1 and set 2 4/4
Scan codes with left Shift key
Table D-2
Table D-4 Scan codes with Fn key
Table D-3 Scan codes in Numlock mode
TECRA A3/S2 Series Maintenance Manual
Code set
Table D-6 No.124 key scan code
Table D-5 Scan codes in overlay mode
TECRA A3/S2 Series Maintenance Manual
Keytop
TECRA A3/S2 Series Maintenance Manual
Table D-7 No.126 key scan code
Key top
Shift
E.1 United States US Keyboard
Appendix E Key Layout
Figure E-1 US keyboard
TECRA A3/S2 Series Maintenance Manual
TECRA A3/S2 Series Maintenance Manual
E.2 United Kingdom UK Keyboard
Figure E-2 UK keyboard
E.4 Japanese JA Keyboard
E.3 Spanish SP Keyboard
Figure E-3 SP keyboard
Figure E-4 JA keyboard
TECRA A3/S2 Series Maintenance Manual
E.5 Korean KO Keyboard
Figure E-5 KO keyboard
TECRA A3/S2 Series Maintenance Manual
E.6 French FR Keyboard
Figure E-6 FR keyboard
E.8 Portuguese Keyboard
E.7 French-Canadian Keyboard
Figure E-7 FR-C keyboard
Figure E8 Portuguese keyboard
E.10 GreeceGR Keyboard
E.9 US-INTERNATIONAL Keyboard
Figure E-9 US-INTE Keyboard
Figure E-10 GR keyboard
E.12 Swedish Keyboard
E.11 Chinese-T Keyboard
Figure E-11 CH-T keyboard
Figure E-12 Swedish keyboard
E.14 CZECH Keyboard
E.13 ITALIAN Keyboard
Figure E-13 IT keyboard
Figure E-14 Czech keyboard
E-10
TECRA A3/S2 Series Maintenance Manual
Table F-1
Appendix F Series Screw Torque List
Series Screw Torque List
TECRA A3/S2 Series Maintenance Manual
Page
SCREW P/N
TECRA A3/S2 Series Maintenance Manual
SCREW SPEC
LOCATION
TECRA A3/S2 Series Maintenance Manual
Table G-1 MTBF
Appendix G Reliability
TECRA A3/S2 Series Maintenance Manual
Component
TECRA A3/S2 Series Maintenance Manual
