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2.8 Display Troubleshooting
2 Troubleshooting Procedures
PORTEGE A200 Maintenance Manual (960 -499)
2-37
2.8 Display Troubleshooting
This section describes how to determine if the computer’s display is functioning properly.
Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: External Monitor Check
Procedure 2: Diagnostic Test Program Execution Check
Procedure 3: Connector Check and Cable Check
Procedure 4: Replacement Check
Procedure 1
External Monitor Check
Connect an external monitor and tun on the computer. If there is no problem on it, the internal
LCD may be defective. Go to Procedure 3. If there is any problem on the external monitor, the
system board may be defective. Go to Procedure 2.
Procedure 2
Diagnostic Test Program Execution Check
The Display Test program is stored on the Diagnostics disk. Insert the Diagnostics disk in the
computer’s floppy disk drive, turn on the computer and run the test. Refer to Chapter 3,
Tests
and Diagnostics
for details.
This program checks the display controller on the system board. If an error is detected, go to
Procedure 3.
Procedure 3
Connector Check and Cable Check
The LCD Module is connected to the system board by an LCD/FL cable. The FL inverter
board is also connected to the system board by an LCD/FL cable. The connectors may be
disconnected from the system board or may be damaged. Disassemble the computer following
the steps described in Chapter 4,
Replacement Procedures
.
Содержание Satellite A200 Series
Страница 10: ...x PORTEGE A200 Maintenance Manual 960 499 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii PORTEGE A200 Maintenance Manual 960 499 1 Hardware Overview ...
Страница 36: ...Chapter 2 Troubleshooting Procedures ...
Страница 37: ...2 Troubleshooting Procedures 2 ii PORTEGE A200 Maintenance Manual 960 499 2 ...
Страница 41: ...2 Troubleshooting Procedures 2 vi PORTEGE A200 Maintenance Manual 960 499 ...
Страница 91: ...Chapter 3 Tests and Diagnostics ...
Страница 92: ...3 Tests and Diagnostics 3 ii PORTEGE A200 Maintenance Manual 960 499 3 ...
Страница 96: ...3 Tests and Diagnostics 3 vi PORTEGE A200 Maintenance Manual 960 499 ...
Страница 199: ...Chapter 4 Replacement Procedures ...
Страница 200: ...4 Replacement Procedures 4 ii PORTEGE A200 Maintenance Manual 960 499 4 ...
Страница 278: ...Appendices ...
Страница 279: ...Appendices App ii PORTEGE A200 Maintenance Manual 960 499 ...
Страница 284: ...Appendices PORTEGE A200 Maintenance Manual 960 499 App vii ...
Страница 290: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 322: ...Appendices Appendix C Pin Assignment C 26 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 332: ...Appendices Appendix E Key Layout E 2 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 334: ...Appendices Appendix F Wiring Diagrams F 2 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 336: ...Appendices Appendix G BIOS Rewrite Procedures G 2 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 338: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 340: ...Appendices Appendix I Reliability I 2 PORTEGE A200 Maintenance Manual 960 499 ...
Страница 342: ...Appendices Apx J Key FD J 2 PORTEGE A200 Maintenance Manual 960 499 ...