2 Troubleshooting Procedures
2.8 Display Troubleshooting
2-40
Satellite A50/TECRA A2 Maintenance Manual (960-478)
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: Diagnostic Test Program Execution Check
Procedure 2: Connector and Cable Check
Procedure 3: Replacement Check
Procedure 1
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 2
Connector and Cable Check
The LCD module is connected to the system board through the LCD harness. The cable
may be disconnected from the board or damaged. Disassemble the computer following the
steps described in Chapter 4,
Replacement Procedures
. Check that the pin of the LCD I/F
connector is not bent or broken. If the connection is loose, reconnect firmly and repeat
Procedure 2. If there is still an error, go to Procedure 3.
Содержание Tecra A2 Series
Страница 10: ...x Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 1 Hardware Overview ...
Страница 49: ...Chapter 2 Troubleshooting Procedures ...
Страница 50: ...2 Troubleshooting Procedures 2 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 2 ...
Страница 54: ...2 Troubleshooting Procedures 2 vi Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 104: ...2 Troubleshooting Procedures 2 14 Wireless LAN Troubleshooting 2 50 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 105: ...Chapter 3 Tests and Diagnostics ...
Страница 106: ...3 Tests and Diagnostics 3 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 3 ...
Страница 148: ...3 Tests and Diagnostics 3 17 Sound LAN Modem TV Test 3 40 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 197: ...Chapter 4 Replacement Procedures ...
Страница 198: ...4 Replacement Procedures 4 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 4 ...
Страница 204: ...4 Replacement Procedures 4 viii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 271: ...Appendices ...
Страница 272: ...Appendices App ii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 284: ...Appendices Apx A Handling the LCD Module A 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 290: ...Appendices Apx B Board Layout B 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 332: ...Appendices Apx E Key Layout E 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 334: ...Appendices Apx F Wiring Diagrams F 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 336: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Страница 338: ...Appendices Apx H Reliability H 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...