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Chapter 2
Troubleshooting Procedures
2
Contents
Main
Toshiba Personal Computer TECRA A3/S2 Maintenance Manual
TOSHIBA CORPORATION
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Table of Contents
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Chapter 1 Contents
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1.1 Features
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1.2 System Unit
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1.4 Optical Devices module
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1.5 Power Supply
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1.6 Batteries
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Chapter 2 Contents
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2.1 Troubleshooting Introduction
2.2 Troubleshooting Flowchart
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
A
Tecra A3/S2 Series Maintenance Manual 2-3
Figure 2-1 Troubleshooting flowchart (1/2)
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
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Figure 2-1 Troubleshooting flowchart (2/2)
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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-7
END
Figure 2-2 Power Supply Troubleshooting Process
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2 Troubleshooting Procedures 2.4 Display Troubleshooting
2.4 Display Troubleshooting
2-12 Tecra A3/S2 Series Maintenance Manual
Figure 2-3 Display troubleshooting process
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2.5 Keyboard Troubleshooting 2 Troubleshooting Procedures
2.5 Keyboard Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-15
Figure 2-4 Keyboard troubleshooting process
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2.6 External USB Devices Troubleshooting 2 Troubleshooting Procedures
2.6 External USB Devices Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-17
Figure 2-5 External USB device troubleshooting process
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2.7 TV-Out Failure Troubleshooting 2 Troubleshooting Procedures
2.7 TV-Out Failure Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-19
Figure 2-6 TV-out troubleshooting process
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2.8 Printer Port Troubleshooting 2 Troubleshooting Procedures
2.8 Printer Port Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-21
Figure 2-7 Printer port troubleshooting process
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2.9 TouchPad Troubleshooting
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2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures
2.10 Speaker Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-25
Figure 2-9 Speaker troubleshooting process
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2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures
2.11 Modem Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-27
Figure 2-11 Modem troubleshooting process
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2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures
2.12 PCMCIA Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-29
Figure 2-12 PCMCIA troubleshooting process
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2.9 Touch Pad Troubleshooting 2 Troubleshooting Procedures
2.13 IEEE 1394 Troubleshooting
Tecra A3/S2 Series Maintenance Manual 2-31
Figure 2-13 IEEE 1394 troubleshooting process
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2 Troubleshooting Procedures 2.10 Speaker Troubleshooting
2.14 Wireless LAN Troubleshooting
Figure 2-14 Wireless LAN troubleshooting process
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Contents
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3.1 The Diagnostic Test
3.2 Executing the Diagnostic Test
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3.3 Config Check Test
3.4 DMI Check Test
3.5 PIO Loopback Test
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3.6 Speaker Audio Test
3.7 Fan ON/OFF Test
3.8 Main Battery Charge Test
3.9 FDD Test
3.10 CD-ROM Test
3.11 Keyboard Test
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3.12 Mouse (Pad) Test
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3.13 LCD Pixels Mode Test
3.14 Lid Switch Test
3.15 HDD R/W Test
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3.16 LAN Test
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3.17 RTC Test
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Chapter 4 Contents
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4.1 General
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4.2 Battery
4.3 PC Card
4.4 HDD
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M3X3
4.5 Optical Drive Module
4.6 Optical Drive
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4.7 Wireless LAN
M2.5X3.6
4.8 Expansion Memory Module
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4.9 Keyboard
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4.10 Bluetooth
4.11 Modem
M2.5X3
4.12 Display Assembly
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4.13 Top Cover
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4.14 Touch Pad
4.15 Speakers
4.16 System Board
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4.17 Direct Play Button Board
4.18 Fan, Heat Sink, & CPU
M2.5X5
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4.19 Display Mask
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4.20 LCD Module
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4.21 FL Inverter Board
Appendix A Handling the LCD Module
Precautions for handling the LCD module
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Table B-2 System board connector nd bottom)
s (top a
Appendix C Pin Assignments
System Board C.1 JP24
ble M I in a ts 4)
,JP25
Table M I n a ts 4)
C-1 SODIM /F pi ssignmen (200-PIN) (2/
Table M I in a ts 4)
C-1 SODIM /F p ssignmen (200-PIN) (3/
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C.2 JP1
C.3 JP18
DD pin n
Table C-3 H I/F assignme ts (44-pin)
C.4 JP31
ODD pin ents
Table C-4 I/F assignm (50-pin)
C.5 JP19
ab rd I in a nts )
T le C-5 PC Ca /F p ssignme (84-pin) (1/2
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C.6 JP28
Table C-6 Mini PCI I/F pin assignments (124-pin) (1/2)
Table C-6 Mini PCI I/F pin assignments (124-pin)(2/2)
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C.7 JP6
C.8 JP
29
C.9 JP12
C.10 PJP1
C.11 JP21
C.12 JP22
Appendix D Keyboard Scan/Character Codes
Table D-1 s (set 1 and
Scan code set 2) (1/4)
Table D-1 s (set 1 and
Scan code set 2) (2/4)
Table D es (set 1 and s
-1 Scan cod et 2) (3/4)
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Appendix F Series Screw Torque List
Table F-1 Series Screw Torque List
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SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE LOGIC ASSY
TECRA A3/S2 Series Maintenance Manual F-2
F-3 TECRA A3/S2 Series Main tenance Manual
Appendix G Reliability
