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1.1 Features
1 Hardware Overview
Figure 1-2 shows the system units configuration.
Figure 1-2 System units configuration
Satellite A50S/TECRA A3X Maintenance Manual (960-5
34) [CONFIDENTIAL]
1-5
Contents
Main
Toshiba Personal Computer Satellite A50S/TECRA A3X 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 3.5-inch USB Floppy Disk Drive
1.4 2.5-inch Hard Disk Drive
1 Hardware Overview 1.4 2.5-inch Hard Disk Drive
Table 1-3 2.5-inch HDD specifications (1/2)
Table 1-3 2.5-inch HDD specifications (2/2)
1.5 CD-ROM Drive
1 Hardware Overview 1.5 CD-ROM Drive
Table 1-5 CD-ROM drive specifications
1.6 DVD-ROM Drive
1 Hardware Overview 1.6 DVD-ROM Drive
Table 1-7 DVD-ROM drive specifications (1/2)
1.6 DVD-ROM Drive 1 Hardware Overview
Table 1-7 DVD-ROM drive specifications (2/2)
1.7 DVD-ROM & CD-R/RW Drive
1.7 DVD-ROM & CD-R/RW Drive 1 Hardware Overview
Table 1-9 DVD-ROM & CD-R/RW drive specifications (1/2)
1 Hardware Overview 1.7 DVD-ROM & CD-R/RW Drive
Table 1-9 DVD-ROM & CD-R/RW drive specifications (2/2)
1.8 DVD Super Multi drive
1 Hardware Overview 1.8 DVD Super Multi drive
Table 1-11 DVD Super Multi drive specifications (1/2)
1.8 DVD Super Multi drive 1 Hardware Overview
Table 1-11 DVD Super Multi drive specifications (2/2)
1.9 Keyboard
1.10 TFT Color Display
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1.11 Power Supply
1.11 Power Supply 1 Hardware Overview
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 1-29
Table 1-14 Power supply output rating
1.12 Batteries
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1.13 AC Adapter
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Chapter 2 Contents
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2.1 Troubleshooting
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2.3 Power Supply Troubleshooting
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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
DC power supply (AC adapter)
Main Battery
Second Battery
S3V output (P60)
2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
E5V output (P61)
E3V output (P62)
1R5-E1V output (P63: MUX_CH0)
1R8-B1V output (P64)
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
PPV output (P65)
PTV output (P66)
1R5-E1V output (P63: MUX_CH1)
PTV output (P73)
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2.4 System Board Troubleshooting
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2.4 System Board Troubleshooting 2 Troubleshooting Procedures Table 2-3 D port status (1/9)
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-19
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-20 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table 2-3 D port status (2/9)
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-21
Table 2-3 D port status (3/9)
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-22 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table 2-3 D port status (4/9)
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-23
Table 2-3 D port status (5/9)
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-24 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table 2-3 D port status (6/9)
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-25
Table 2-3 D port status (7/9)
2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-26 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table 2-3 D port status (8/9)
2.4 System Board Troubleshooting 2 Troubleshooting Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-27
Table 2-3 D port status (9/9)
F124H F125H
FFFFH
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2.5 3.5 FDD Troubleshooting
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2.6 2.5 HDD Troubleshooting
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2.7 Keyboard Troubleshooting
2.8 Display Troubleshooting
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2.9 Touch Pad Troubleshooting
2.10 Optical Drive Troubleshooting
2.11 Modem Troubleshooting
2.12 LAN Troubleshooting
2.13 Sound Troubleshooting
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2.14 Wireless LAN 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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3.3 Setting of the hardware configuration
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3.4 Heatrun Test
3.5 Subtest Names 3 Tests and Diagnostics
3-12 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
3.5 Subtest Names
3 Tests and Diagnostics 3.5 Subtest Names
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-13
Table 3-1 Subtest names (2/2)
3.6 System Test
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3.7 Memory Test
3.8 Keyboard Test
3.9 Display Test
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3.10 Floppy Disk Test
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3.11 Printer Test
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3.12 Async Test
3.13 Hard Disk Test
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3.14 Real Timer Test
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3.15 NDP Test
3.16 Expansion Test
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3.17 CD-ROM/DVD-ROM Test
3 Tests and Diagnostics 3.18 Error Code and Error Status Names
3.18 Error Code and Error Status Names
3.18 Error Code and Error Status Names 3 Tests and Diagnostics
Table 3-2 Error codes and error status names (2/3)
3 Tests and Diagnostics 3.18 Error Code and Error Status Names
Table 3-2 Error codes and error status names (3/3)
3.19 Hard Disk Test Detail Status
3 Tests and Diagnostics 3.19 Hard Disk Test Detail Status
Tables 3-4 Error register contents
3.20 ONLY ONE TEST
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3.21 Head Cleaning
3.22 Log Utilities
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3.23 Running Test
3.24 Floppy Disk Drive Utilities
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3.25 System Configuration
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3.26 Wireless LAN Test Program (Intel-made b/g)
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3.27 Wireless LAN Test Program (Intel-made a/b/g)
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3.28 Wireless LAN Test Program (Askey-made)
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3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program
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3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program 3 Tests and Diagnostics
3-76 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
If the target machine has any problem, it displays Error CODE. The following message is displayed.
Table 3-5 Error message
3 Tests and Diagnostics 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-77
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3 Tests and Diagnostics 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-79
3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program 3 Tests and Diagnostics
3-80 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
3 Tests and Diagnostics 3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 3-81
3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program 3 Tests and Diagnostics
3-82 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table 3-7 Error code for Bluetooth test (BD_ADDR of the DUT) (2/2)
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3.30 Sound Test program
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3.31 SETUP
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Chapter 4 Contents
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4.1 Overview 4 Replacement Procedures
4.1 Overview
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 4-1
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4.2 Battery Pack/PC Card
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4.3 Memory Module
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4.4 MDC
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4.5 HDD
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4.6 Wireless LAN card
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4.7 Cooling Fin/CPU
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4.8 Keyboard
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4.9 Switch membrane board
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4.10 Optical Drive
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4.11 Display Assembly
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4.12 Sound Board
4.13 Parallel port board / Serial port board / S-Video board
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4.14 Fan
4.15 System Board/DC-IN Jack/RTC Battery
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4.16 PC card cover
4.17 Battery Latch
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4.18 Battery Lock
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4.19 Touch Pad
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4.20 LCD Unit/FL Inverter
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4.21 Latch Assembly
4.22 Wireless LAN Antenna/Speaker/Hinge
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4.23 Fluorescent Lamp
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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
B.1 System Board Front View
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B.2 System Board Back View
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B.3 Sound Board (FLGSN*)
B.4 Parallel port Board (FLGCP*)
B.5 Serial port Board (FLGSR*)
B.6 S-Video Board (FLKCS*)
Appendix. C Pin Assignment Appendices
Appendix C Pin Assignment
System Board (FLKSY*) C.1 CN1400 Memory 0 Connector (200-pin)
Table C-1 Memory 0 connector pin assignment (200-pin) (1/4)
Appendices Appendix. C Pin Assignment
Table C-1 Memory 0 connector pin assignment (200-pin) (2/4)
Appendix. C Pin Assignment Appendices
Table C-1 Memory 0 connector pin assignment (200-pin) (3/4)
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Appendix. C Pin Assignment Appendices
C.2 CN1410 Memory 1 Connector (200-pin)
Table C-2 Memory 1 connector pin assignment (200-pin) (1/4)
Appendices Appendix. C Pin Assignment
Table C-2 Memory 1 connector pin assignment (200-pin) (2/4)
Appendix. C Pin Assignment Appendices
Table C-2 Memory 1 connector pin assignment (200-pin) (3/4)
Appendices Appendix. C Pin Assignment
Table C-2 Memory 1 connector pin assignment (200-pin) (4/4)
C.3 CN1800 HDD I/F Connector (44-pin)
Table C-3 HDD I/F connector pin assignment (44-pin)
Appendix. C Pin Assignment Appendices
C.4 CN1810 Optical Drive I/F Connector (50-pin)
Table C-4 Optical drive I/F connector pin assignment (50-pin)
Appendices Appendix. C Pin Assignment
C.5 IS2110 PC Card I/F Connector (70-pin)
Table C-5 PC card I/F connector pin assignment (70-pin) (1/2)
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Appendices Appendix. C Pin Assignment
C.6 CN2300 Docking I/F connector (240-pin)
Table C-6 Docking I/F connector (240-pin)(1/4)
Appendix. C Pin Assignment Appendices
Table C-6 Docking I/F connector (240-pin)(2/4)
Appendices Appendix. C Pin Assignment
Table C-6 Docking I/F connector (240-pin)(3/4)
Appendix. C Pin Assignment Appendices
Table C-6 Docking I/F connector (240-pin)(4/4)
Appendices Appendix. C Pin Assignment
C.7 CN2200 Mini PCI I/F Connector (124-pin)
Table C-7 Mini PCI I/F connector pin assignment (124-pin) (1/2)
Appendix. C Pin Assignment Appendices
Table C-7 Mini PCI I/F connector pin assignment (124-pin) (2/2)
Appendices Appendix. C Pin Assignment
C.8 CN3010 MDC I/F Connector (12-pin)
Table C-8 MDC I/F connector pin assignment (12-pin)
C.9 CN3490 Debug Port Connector (12-pin)
Table C-9 Debug port connector pin assignment (12-pin)
Appendix. C Pin Assignment Appendices
C.10 CN3200 Keyboard I/F Connector (34-pin)
Table C-10 Keyboard I/F connector pin assignment (34-pin)
C.11 CN3240 Touch Pad I/F Connector (4-pin)
Table C-11 Touch pad I/F connector pin assignment (4-pin)
Appendices Appendix. C Pin Assignment
C.12 CN3280 Switch Board I/F Connector (10-pin)
Table C-12 Switch board I/F connector pin assignment (10-pin)
C.13 CN3502 FLGCP/FLGSR Board I/F Connector (30-pin)
Table C-13 FLGCP/FLGSR board I/F connector pin assignment (30-pin)
C.14 CN4100 Network I/F Connector (14-pin)
C.15 CN4611 USB harness I/F Connector (8-pin)
C.16 CN4610 USB I/F Connector 0 (4-pin)
Appendices Appendix. C Pin Assignment
C.17 CN5000 LCD I/F Connector (41-pin)
Table C-17 LCD I/F connector pin assignment (41-pin)
Appendix. C Pin Assignment Appendices
C.18 CN5620 RGB I/F Connector (15-pin)
Table C-18 RGB I/F connector pin assignment (15-pin)
C.19 CN5340 S-Video I/F Connector (5-pin)
Table C-19 S-Video I/F connector pin assignment (5-pin)
C.20 CN6001 Speaker Connector (Left) (3-pin)
C.21 CN6002 Speaker Connector (Right) (2-pin)
Table C-21 Speaker connector (right) pin assignment (2-pin)
C.22 CN9500 Sound Board I/F Connector (18-pin)
Table C-22 Sound Board I/F connector pin assignment (18-pin)
C.23 CN8800 DC-IN Connector (4-pin)
C.24 CN8020 1st Battery Connector (10-pin)
C.25 CN9990 RTC Battery Connector (3-pin)
C.26 CN8770 FAN I/F Connector (4-pin)
Sound Board (FLGSN*) C.27 J6070 External Microphone Connector (6-pin)
C.28 J6310 Headphone Connector (6-pin)
C.29 CN9510 System Board I/F Connector (18-pin)
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Appendices Appendix. C Pin Assignment
Parallel Board (FLGCP*) C.31 CN3503 System Board I/F Connector (30-pin)
Table C-31 System board I/F Connector pin assignment (30-pin)
Appendix. C Pin Assignment Appendices
C.32 CN4613 Parallel I/F Connector (25-pin)
Table C-32 Parallel I/F Connector pin assignment (25-pin)
C.33 CN4620 USB harness I/F Connector (8-pin)
Table C-33 USB harness I/F connector pin assignment (8-pin)
C.34 CN4622 USB I/F Connector 1 (4-pin)
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Appendices Appendix. C Pin Assignment
Serial Board (FLGSR*) C.40 CN3504 System Board I/F Connector (30-pin)
Table C-40 System board I/F Connector pin assignment (30-pin)
C.41 CN3440 Serial I/F Connector (9-pin)
C.42 CN4630 USB harness I/F Connector (8-pin)
C.43 CN4632 USB I/F Connector 1 (4-pin)
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Appendix. D Keyboard Scan/Character Codes Appendices
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] D-1
Appendix D Keyboard Scan/Character Codes
Table D-1 Scan codes (set 1 and set 2) (1/4)
Appendices Appendix. D Keyboard Scan/Character Codes
D-2 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table D-1 Scan codes (set 1 and set 2) (2/4)
Appendix. D Keyboard Scan/Character Codes Appendices
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] D-3
Table D-1 Scan codes (set 1 and set 2) (3/4)
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Appendices Appendix. D Keyboard Scan/Character Codes
D-6 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
Table D-3 Scan codes in Numlock mode
Table D-4 Scan codes with Fn key
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Appendix E Key Layout
E.1 Keyboard Layout
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Appendix F Wiring Diagrams
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Appendix G BIOS/KBC/EC Update
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Appendix H Reliability
