2.1 Troubleshooting
2 Troubleshooting Procedures
Satellite A50/TECRA A2 Maintenance Manual (960-478)
2-1
2
2.1 Troubleshooting
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the
computer is causing the computer to malfunction. (The “FRU” means the replaceable unit
in the field.) The FRUs covered are:
1. Power supply
7. Touch pad
2. System Board
8. Optical Drive
3. 3.5” USB FDD
9. Modem
4. 2.5” HDD
10. LAN
5. Keyboard
11. Sound
6. Display
12. Wireless LAN
The Test Program operations are described in Chapter 3. Detailed replacement procedures
are given in Chapter 4.
The following tools are necessary for implementing the Diagnostics procedures:
1.
Diagnostics Disk (Test program for maintenance)
2.
Phillips screwdrivers
NOTE:
Be sure to use the PH point size “0” screwdriver complying with the ISO/DIS
8764-1:1996.
3.
Toshiba MS-DOS system FD
4.
Work disk (for USB FDD testing)
5.
Cleaning disk kit (for USB FDD head cleaning)
6.
Debug port LED
7.
Wraparound connector for PC card
8.
Tester
9.
External CRT
10.
External USB FDD
11.
External USB test module
12.
External USB cable
13.
External USB mouse
14.
Headphone
15.
Microphone
16.
Toshiba CD-ROM test disk (ZA1217P01/P000204190)
17.
Toshiba-EMI DVD-ROM test disk TSD-1
18.
Music CD
19.
CD-RW media (recommended :RICOH, Mitsubishi Kagaku supporting 4x media)
20.
DVD-ROM media (normal media on the market)
21.
RJ-11 connector checker LED
22.
LAN wraparound connector
23.
Speaker with an input terminal for S/PDIF
24.
Personal computer that can communicate by wireless LAN for wireless LAN
troubleshooting
Summary of Contents for Tecra A2 Series
Page 10: ...x Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 49: ...Chapter 2 Troubleshooting Procedures ...
Page 50: ...2 Troubleshooting Procedures 2 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 2 ...
Page 54: ...2 Troubleshooting Procedures 2 vi Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 105: ...Chapter 3 Tests and Diagnostics ...
Page 106: ...3 Tests and Diagnostics 3 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 3 ...
Page 197: ...Chapter 4 Replacement Procedures ...
Page 198: ...4 Replacement Procedures 4 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 4 ...
Page 204: ...4 Replacement Procedures 4 viii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 271: ...Appendices ...
Page 272: ...Appendices App ii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 290: ...Appendices Apx B Board Layout B 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 332: ...Appendices Apx E Key Layout E 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 334: ...Appendices Apx F Wiring Diagrams F 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 336: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 338: ...Appendices Apx H Reliability H 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...