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2 Troubleshooting Procedures
2.8 Display Troubleshooting
2-42
[CONFIDENTIAL]
TECRA M9 Maintenance Manual (960-631)
If the connection is loose, reconnect firmly and restart the computer. If there is still an error,
go to Procedure 4.
Procedure 4
Replacement Check
The FL, FL inverter board, LCD module, and system board are connected to display circuits.
Any of these components may be damaged. Refer to Chapter 4,
Replacement Procedures,
for
instructions on how to disassemble the computer and then perform the following checks:
1.
If the FL does not light, perform Check 1.
2.
If characters or graphics are not displayed clearly, perform Check 1.
3.
If some screen functions do not operate properly, perform Check 2.
4.
If the FL remains lit when the display is closed, perform Check 4.
Check 1 Replace the FL with a new one following the instructions in Chapter 4,
Replacement Procedures
and test the display again. If the problem still exists,
perform Check2.
Check 2 Replace the LCD module with a new one following the instructions in Chapter 4,
Replacement Procedures
and test the display again. If the problem still exists,
perform Check 3.
Check 3 Replace the display cable (FL cable and LCD cable) with a new one following the
instructions in Chapter 4,
Replacement Procedures
and test the display again. If
the problem still exists, perform Check 4.
Check 4 The display controller on the system board may be damaged. Replace the system
board with a new one following the instructions in Chapter 4,
Replacement
Procedures
.
Содержание Tecra M9
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 46: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 121: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 122: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 3 ...
Страница 126: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 228: ...3 Tests and Diagnostics 3 31 SETUP 3 102 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 229: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 230: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 4 ...
Страница 313: ...4 24 LCD unit FL inverter 4 Replacement Procedures Jig Jig TECRA M9 Maintenance Manual 960 631 CONFIDENTIAL 4 79 ...
Страница 347: ... CONFIDENTIAL Appendices ...
Страница 348: ...Appendices App ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 354: ...Appendices App viii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 360: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 394: ...Appendices Appendix C Pin Assignments 24 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 404: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 408: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 410: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 412: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 414: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...