Toshiba tecra m1 manual Troubleshooting Procedures FDD Troubleshooting

2 Troubleshooting Procedures 2.5 FDD Troubleshooting

Procedure 3 Connector Check and Replacement Check

The USB 3.5-inch FDD is connected to the System Board.

Check 1 When using the USB port 0 or 1, make sure the USB FDD cable is firmly connected to PJ2033 or PJ2034 on the system board. When using the USB port 2, make sure the USB FDD cable is connected to PJ3301, and the USB cable is firmly connected to PJ1004 on the system board and PJ3300 on the USB board.

USB Board

PJ3301 PJ3300

PJ1004

PJ2033/

PJ2034

USB FDD cable

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

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

Check 3 Replace the System board with a new one following the steps in Chapter 4, Replacement Procedures.

2-32 TECRA M1 Maintenance Manual (960-436)