2.5 3.5” FDD Troubleshooting

2 Troubleshooting Procedures

Procedure 3 Connector Check and Replacement Check

The USB connector may be disconnected from the system board. Check visually that the connector is connected firmly.

Check 1 Make sure the following cables and connectors are firmly connected to the each board.

USB FDD

USB FDD

(FLGSR PCB)

CN4632

CN4630

 

(FLGCP PCB)

CN4622 CN4620

(FLKCS PCB)

CN4611

PJ4610

CN4612

 

System board

CN4610

USB harness

System board

PJ4611

*

FLGSR PCB、FLGCP PCB or FLKCS PCB is exclusive choice PCB. They are never mounted in the same board at the same time.

If any of the connections are loose, reconnect firmly and repeat Procedure 2. If there is still an error, go to Check 2.

Check 2 The USB FDD may be defective or damaged. Replace it with a new one. If the FDD is still not functioning properly, perform Check 3.

Check 3 The FLGSR board, FLGCP board or FLGCS board connected to the system board may be defective or damaged. Replace it with a new one. If the FDD is still not functioning properly, perform Check 4.

Check 4 Replace the system board with a new one following the steps in Chapter 4, Replacement Procedures.

Satellite A50S/TECRA A3X Maintenance Manual (960-534)

[CONFIDENTIAL]

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Toshiba A3X manual Procedure 3 Connector Check and Replacement Check, Flkcs PCB