82
Troubleshooting
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
Reconnect the LCD connector
LCD inverter ID
LCD FPC Cable
LCD inverter
LCD
System board
LCD has extra horizontal or
vertical lines displayed.
LCD inverter ID
LCD inverter
LCD FPC Cable
LCD
System board
Indicator-Related Symptoms
Symptom / Error
Action in Sequence
Indicator incorrectly remains
off or on, but system runs
correctly
Reconnect the LED board
LED board
System board
Power-Related Symptoms
Symptom / Error
Action in Sequence
Power shuts down during
operation
Power source (battery pack and power adapter).
See “Power System Check” on page 75.
Battery pack
Power adapter
DC-DC/charger board
Audio-I/O & battery connection board
System board
The system doesn’t power-
on.
Power source (battery pack and power adapter).
See “Power System Check” on page 75.
Battery pack
Power adapter
DC/DC & Charge boar
Audio-I/O & battery connection board
System board
LCD-Related Symptoms
Symptom / Error
Action in Sequence
Содержание Extensa 500
Страница 3: ...PART No 49 42B02 001 PRINT IN TAIWAN DOC No SG281 9807A ...
Страница 7: ...Extensa 500 Service Guide 7 Appendix A Model Definitions Appendix B Compatibility Tested Components ...
Страница 8: ...8 Table of Contents ...
Страница 32: ...32 SystemIntroduction ...
Страница 48: ...48 SoftwareUtilities ...
Страница 88: ...88 Troubleshooting ...
Страница 100: ...100 Spare Parts List ...
Страница 102: ...Appendix A 102 ...
Страница 108: ...108 Compatibility Tested Components ...