2.8 Display Troubleshooting
2 Troubleshooting Procedures
Procedure 3
Replacement Check
Units related to display are a FL inverter board, Display module, System board, LCD/FL
cable and display ON/OFF sensor. Any of the components may be damaged. Disassemble the
computer following the steps described in Chapter 4,
Replacement Procedures,
then perform
the following checks:
(1) If the FL does not light, perform Check 1.
(2)
If characters are displayed on the internal display but the display is not
normal, perform Check 2.
(3)
If the FL lights even if the display cover is closed, perform Check 5.
Check 1 Open the display and check the display on/off sensor. If the sensor works
properly, display switch may be damaged. Replace the switch with a new one. If
there is still an error, go to Check 2.
Check 2 The LCD/FL cable may be damaged. Replace the cable with a new one. If there is
still an error, go to Check 3.
Check 3 The LCD module may be damaged. Replace it with a new one and repeat
Procedure 1. If there is still an error, go to Check 4.
Check 4 The FL inverter board may be damaged. Replace it with a new one and repeat
Procedure 1. If there is still an error, go to Check 5.
Check 5 The system board may be damaged. Replace the system board with a new one.
PORTEGE S100 Maintenance Manual (960-508)
2-39
Summary of Contents for Portege S100 Series
Page 10: ...x PORTEGE S100 Maintenance Manual 960 508 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 25: ...1 2 2 5 inch Hard Disk Drive 1 Hardware Overview PORTEGE S100 Maintenance Manual 960 508 1 11 ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 41: ...2 Troubleshooting Procedures 2 vi PORTEGE S100 Maintenance Manual 960 508 ...
Page 92: ...Chapter 3 Tests and Diagnostics ...
Page 93: ...3 Tests and Diagnostics 3 3 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 199: ...3 31 SETUP 3 Tests and Diagnostics PORTEGE S100 Maintenance Manual 960 508 3 101 ...
Page 212: ...3 Tests and Diagnostics 3 31 SETUP 3 114 PORTEGE S100 Maintenance Manual 960 508 ...
Page 213: ...Chapter 4 Replacement Procedures ...
Page 214: ...4 Replacement Procedures 4 ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 218: ...4 Replacement Procedures 4 vi PORTEGE S100 Maintenance Manual 960 508 ...
Page 310: ...4 Replacement Procedure 4 29 Fluorescent Lamp 4 92 PORTEGE S100 Maintenance Manual 960 508 ...
Page 311: ...Appendices ...
Page 312: ...Appendices App ii PORTEGE S100 Maintenance Manual 960 508 ...
Page 318: ...Appendices App viii PORTEGE S100 Maintenance Manual 960 508 ...
Page 324: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE S100 Maintenance Manual 960 508 ...
Page 330: ...Appendices Appendix B Board Layout B 6 PORTEGE S100 Maintenance Manual 960 508 ...
Page 356: ...Appendices Appendix C Pin Assignments C 26 PORTEGE S100 Maintenance Manual 960 508 ...
Page 366: ...Appendices Appendix E Key Layout E 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 368: ...Appendices Appendix F Wiring diagrams F 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 370: ...Appendices Appendix G BIOS rewrite procedures G 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 372: ...Appendices Appendix H EC KBC rewrite procedures H 2 PORTEGE S100 Maintenance Manual 960 508 ...
Page 374: ...Appendices Appendix I Reliability I 2 PORTEGE S100 Maintenance Manual 960 508 ...