Toshiba Tecra 700CS Maintenance Manual page 42

Procedure 3 Connector Check and Replacement Check
The 3.5-inch Floppy Disk Drive is connected to the external 3.5-inch FDD port by the FDD
cable. This cable may be disconnected from the port or damaged. Perform the following
checks:
Check 1 Make sure the FDD cable is firmly connected to the external 3.5-inch FDD port.
If this cable is disconnected, connect it to the system unit and repeat Procedure 2.
If the FDD is still not functioning properly, perform Check 2.
Check 2 The cable may be defective or damaged. Replace the cable. If the FDD is still not
functioning properly, perform Check 3.
Check 3 The FDD or its cable may be defective or damaged. Replace the FDD with a new
one following the steps in Chapter 4, Replacement Procedures. 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.
2-22
FDD PJ8 System board
700 Series