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2.4 System Board Troubleshooting
2 Troubleshooting Procedures
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Satellite A40 Maintenance Manual (960-458)
2-31
Contents
Main
Toshiba Personal Computer Satellite A40 Series Maintenance Manual
TOSHIBA CORPORATION
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Preface
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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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1.3 USB 3.5-inch Floppy Disk Drive
1.4 2.5-inch Hard Disk Drive
1 Hardware Overview 1.4 2.5-inch Hard Disk Drive Table 1-2 2.5-inch HDD dimensions (2/2)
1-14 Satellite A40 Maintenance Manual (960-458)
1.4 2.5-inch Hard Disk Drive 1 Hardware Overview Table 1-3 2.5-inch HDD specifications (1/3)
Satellite A40 Maintenance Manual (960-458) 1-15
1 Hardware Overview 1.4 2.5-inch Hard Disk Drive Table 1-3 2.5-inch HDD specifications (2/3)
1-16 Satellite A40 Maintenance Manual (960-458)
1.4 2.5-inch Hard Disk Drive 1 Hardware Overview Table 1-3 2.5-inch HDD specifications (3/3)
Satellite A40 Maintenance Manual (960-458) 1-17
1.5 DVD-ROM Drive
1.5 DVD-ROM Drive 1 Hardware Overview Table 1-4 DVD-ROM drive specifications (2/2)
Satellite A40 Maintenance Manual (960-458) 1-19
1.6 CD-RW/DVD-ROM Drive
1.6 CD-RW/DVD-ROM Drive 1 Hardware Overview Table 1-5 CD-RW/DVD-ROM drive specifications (2/3)
Satellite A40 Maintenance Manual (960-458) 1-21
1 Hardware Overview 1.6 CD-RW/DVD-ROM Drive Table 1-5 CD-RW/DVD-ROM drive specifications (3/3)
1-22 Satellite A40 Maintenance Manual (960-458)
1.7 DVD-R/-RW Drive
1 Hardware Overview 1.7 DVD-R/-RW Drive Table 1-6 DVD-R/-RW drive specifications
1-24 Satellite A40 Maintenance Manual (960-458)
1.8 DVDRW (DVD Dual) Drive
1 Hardware Overview 1.8 DVDRW (DVD Dual) Drive Table 1-7 DVDRW drive specifications
1-26 Satellite A40 Maintenance Manual (960-458)
1.9 DVD-Multi (CD-R/RW DVD-RAM/R/RW) Drive
1-28 Satellite A40 Maintenance Manual (960-458)
1.10 Keyboard
1.11 TFT Color Display
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1.12 Power Supply
1.12 Power Supply 1 Hardware Overview Table 1-11 Power supply output rating
Satellite A40 Maintenance Manual (960-458) 1-33
1.13 Batteries
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Chapter 2 Contents
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2.1 Troubleshooting
2.2 Troubleshooting Flowchart
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2.3 Power Supply Troubleshooting
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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures 1R25-B1V output
1R25-B1V output
2R5-B2V output
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2.4 System Board Troubleshooting
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2-30 Satellite A40 Maintenance Manual (960-458)
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2.5 FDD Troubleshooting
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2.6 HDD Troubleshooting
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2.7 Keyboard Troubleshooting
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2.8 Display Troubleshooting
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2.9 Optical Drive Troubleshooting
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2.10 Modem Troubleshooting
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2.11 LAN Troubleshooting
2.12 Wireless LAN Troubleshooting
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2.13 Sound Troubleshooting
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2.14 SD Card Slot Troubleshooting
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Chapter 3 Contents
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3.1 The Diagnostic Test
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3.2 Executing the Diagnostic Test
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3 Tests and Diagnostics 3.3 Subtest Names
3.3 Subtest Names
3-8 Satellite A40 Maintenance Manual (960-458)
3.3 Subtest Names 3 Tests and Diagnostics Table 3-1 Subtest names (2/2)
Satellite A40 Maintenance Manual (960-458) 3-9
3.4 System Test
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3.5 Memory Test
3.6 Keyboard Test
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3.7 Display Test
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3.8 Floppy Disk Test
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3.9 Printer Test
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3.10 Hard Disk Test
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3.11 Real Timer Test
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3.12 NDP Test
3.13 Expansion Test
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3.14 CD-ROM/DVD-ROM Test
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3.16 Error Code and Error Status Names 3 Tests and Diagnostics
3.16 Error Code and Error Status Names
3-36
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3.17 Hard Disk Test Detail Status
3.17 Hard Disk Test Detail Status 3 Tests and Diagnostics Table 3-4 Error register contents
3.18 Head Cleaning
3.19 Log Utilities
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3.20 Running Test
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3.21 Floppy Disk Drive Utilities
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3.22 System Configuration
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3.23 SETUP
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3.24 Repair initial config set
3.25 Wireless LAN Test Program (Agere)
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When the machine has passed the test, OK message will appear in the target machine.
3.26 Wireless LAN Test Program (Atheros 11b/g or 11a/b/g)
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3.27 Sound/LAN/Modem Test Program
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3.28 IEEE1394 test program
3.29 Thermal Radiation Control Test
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Chapter 4 Contents
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4.1 General
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4.2 Battery pack
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4.3 PC card
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4.4 SD card
4.5 HDD
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4.6 Heat sink/CPU
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4.7 Optical drive
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4.8 Keyboard
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4.9 Memory module
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4.10 Wireless LAN board/Modem Daughter Card
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4.11 CD/DVD (Audio) play button
4.12 Display assembly
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4.13 Touch pad
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4.14 LED board
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4.15 RTC battery
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4.16 Sound board
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4.17 System board/ Bat con cover
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4.18 Fan
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4.19 Modem cable
4.20 Wireless LAN cover
4.21 Battery lock assembly
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4.23 Display mask/LCD unit/FL inverter
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4.24 LCD cable/Sensor switch/Wireless LAN antenna
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4.25 Hinge
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4.26 Fluorescent lamp
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Satellite A40 Maintenance Manual (960-458) 4-85
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Figure 4- 69 Replacing 14 Inch TMD fluorescent lamp (7)
4-86 Satellite A40 Maintenance Manual (960-458)
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4.26 Fluorescent lamp 4 Replacement Procedure
Satellite A40 Maintenance Manual (960-458) 4-91
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Appendix Contents
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Appendix A Handling the LCD Module
Precautions for handling the LCD module
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Appendix B Board Layout Appendices
Appendix B Board Layout
Satellite A40 Maintenance Manual (960-458) B-1
B.1 System Board FLM1M* Front View
Figure B-1 System board FLM1M* layout (front)
Appendices Appendix B Board Layout Table B-1 System board FLM1M* ICs and connectors (front)
B.2 System Board FLM1M* Back View
Appendices Appendix B Board Layout Table B-2 System board FLM1M* ICs and connectors (back)
B.3 Sound Board FLM1S* View
B.4 LE Board FLM1L* Front View
Appendix C Pin Assignment Appendices
Appendix C Pin Assignment
Satellite A40 Maintenance Manual (960-458) C-1
System Board C.1 PJI1420/PJ1440 Memory connector (200-pin)
Table C-1 Memory connector (200-pin)(1/4)
Appendices Appendix C Pin Assignment Table C-1 Memory connector (200-pin)(2/4)
C-2 Satellite A40 Maintenance Manual (960-458)
Appendix C Pin Assignment Appendices Table C-1 Memory connector (200-pin)(3/4)
Satellite A40 Maintenance Manual (960-458) C-3
Appendices Appendix C Pin Assignment Table C-1 Memory connector (200-pin)(4/4)
C.2 PJ1801 HDD I/F connector (44-pin)
Table C-2 HDD I/F connector (44-pin)
Appendix C Pin Assignment Appendices
C.3 PJ1800 CD-ROM I/F connector (50-pin)
Table C-3 CD-ROM I/F connector (50-pin)
Appendices Appendix C Pin Assignment
C.4 PJ2110 PC card I/F connector (68-pin)
Table C-4 PC card I/F connector (68-pin) (1/2)
C.5 PJ2130 SD card I/F connector (12-pin)
Appendices Appendix C Pin Assignment
C.6 PJ2200 Mini PCI I/F connector (124-pin)
C-8 Satellite A40 Maintenance Manual (960-458)
Table C-6 Mini PCI I/F connector (124-pin) (1/2)
Pin No. Signal name I/O Pin No. Signal name I/O
Appendix C Pin Assignment Appendices Table C-6 Mini PCI I/F connector (124-pin) (2/2)
Pin No. Signal name I/O Pin No. Signal name I/O
Satellite A40 Maintenance Manual (960-458) C-9
Appendices Appendix C Pin Assignment
C.7 PJ3000 MDC I/F connector (30-pin)
Table C-7 MDC I/F connector (30-pin)
Appendix C Pin Assignment Appendices
C.8 PJ3200 Keyboard I/F connector (34-pin)
Table C-8 Keyboard I/F connector (34-pin)
C.9 PJ3260 PAD I/F connector (8-pin)
Table C-9 PAD I/F connector (8-pin)
Appendices Appendix C Pin Assignment
C.10 PJ3302 Sensor Switch Connector (2-pin)
Table C-10 Sensor Switch connector (2-pin)
C.11 PJ3510 Parallel I/F Connector (25-pin)
Table C-11 Parallel I/F connector (25-pin)
C.12 PJ4100 Network I/F connector (8-pin)
C.13 PJ4200 1394 I/F connector (4-pin)
C.14 PJ4600 USB 0/1 I/F connector (8-pin)
C.15 PJ4601 USB 2/3 I/F connector (8-pin)
Appendices Appendix C Pin Assignment
C.16 PJ5600 LCD connector (40-pin)
Table C-16 LCD connector (40-pin)
C.17 PJ5620 CRT I/F connector (15-pin)
C.18 PJ5640 TV connector (4-PIN)
C.19 PJ6001 Speaker Connector (Left) (3-pin)
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C.24 PJ8450 FAN1 connector (3-pin)
C.25 PJ8425 FAN2 connector (3-pin)
C.26 PJ9500 LE Board I/F connector (13-pin)
Appendices Appendix C Pin Assignment
C.27 PJ9550 SD Board I/F connector (30-pin)
Table C-27 SD Board I/F connector (30-pin)
C.28 PJ9600 CD Board I/F connector (10-pin)
Table C-28 CD Board I/F connector (10-pin)
LE Board C.29 PJ9505 System Board I/F connector (13-pin)
Appendices Appendix C Pin Assignment
SD Board C.30 PJ9555 System Board I/F connector (30-pin)
Table C-30 System Board I/F connector (30-pin)
C.31 PJ6000 External microphone connector (5-pin)
C.32 PJ6003 Headphone connector (6-pin)
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Appendix D Keyboard Scan/Character Codes Appendices
Appendix D Keyboard Scan/Character Codes
Satellite A40 Maintenance Manual (960-458) D-1
Table D-1 Scan codes (set 1 and set 2) (1/4)
D-2 Satellite A40 Maintenance Manual (960-458)
Satellite A40 Maintenance Manual (960-458) D-3
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Appendices Appendix D Keyboard Scan/Character Codes Table D-3 Scan codes in Numlock mode
Table D-4 Scan codes with Fn key
D-6 Satellite A40 Maintenance Manual (960-458)
Appendix D Keyboard Scan/Character Codes Appendices Table D-5 Scan codes in overlay mode
Table D-6 No.124 key scan code
Satellite A40 Maintenance Manual (960-458) D-7
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Appendix E Key Layout
E.1 United Kingdom (UK) Keyboard
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Appendix F Wiring Diagrams
F.1 Parallel Port Wraparound Connector
F.2 LAN Loopback Connector
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Appendix G BIOS Rewrite Procedures
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Appendix H EC/KBC Rewrite Procedures
