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.

2 Troubleshooting

2.7 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.

Satellite/Satellite Pro/L630/L635 Maintenance Manual

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Toshiba L630, L635 manual FL inverter board, System board, LCD/FL cable
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