2 Troubleshooting 2.8 Display
Check 3 The FL may be faulty. Replace it with a new one and return to Procedure
3. If there is still an error, perform Check 4.
Check 4 The FL inverter board may be faulty. Replace it with a new one and
return to Procedure 3. If there is still an error, perform Check 5.
Check 5 Make sure the LCD/FL cable has been firmly connected to the system
board and LCD module.
FL inverter board
System board
CPU
LCD/FL cable
If the cable is loose or off, reconnect it firmly and return to Procedure 3.
If there is still an error, perform Check 6.
Check 6 The LCD/FL inverter cable may be faulty. Replace it with a new one and
return to Procedure 3. If there is still an error, perform Check 7.
Check 7 The LCD module may be faulty. Replace it with a new one and return to
Procedure 3. If there is still an error, perform Check 8.
Check 8 The System board may be faulty. Replace it with a new one. If there is
still an error, perform Check 9.
Check 9 The memory may be defective. Replace the memory module with a new
one following the steps described in Chapter 4. If the problem persists,
perform Check 10.
Check 10 The CPU may be faulty. Replace it with a new one following the
instructions in Chapter 4.
2-20 Satellite/Satellite Pro/A500/A505/A507/dynabook Maintenance Manual
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