Toshiba T3300SL Maintenance Manual page 19

Contents
2.1 T3300SL Troubleshooting ................................................................................................... 2-5
2.2 Troubleshooting Flowchart .................................................................................................. 2-6
2.3 Power Supply Board Troubleshooting Procedures ............................................................... 2-8
Procedure 1 AC Adapter Check ................................................................................... 2-8
Procedure 2 Battery Indicator Function Check ............................................................ 2-9
Procedure 3 Power Supply Board Connection Check ................................................. 2-10
2.4 System Board Troubleshooting Procedures ........................................................................ 2-12
Procedure 1 Message Check ...................................................................................... 2-12
Procedure 2 Printer Port LED Check ......................................................................... 2-15
Procedure 3 Diagnostic Test Program Execution Check ............................................ 2-19
2.5 Floppy Disk Drive Troubleshooting Procedures................................................................. 2-20
Procedure 1 FDD Head Cleaning Check .................................................................... 2-20
Procedure 2 Internal and External FDD Check .......................................................... 2-20
Procedure 3 Diagnostic Test Program Execution Check ............................................ 2-21
Procedure 4 Connector Check and Replacement Check ............................................. 2-22
2.6 Hard Disk Drive Troubleshooting Procedures .................................................................... 2-23
Procedure 1 Partition Check ...................................................................................... 2-23
Procedure 2 Message Check ...................................................................................... 2-24
Procedure 3 Format Check ........................................................................................ 2-25
Procedure 4 Diagnostic Test Program Execution Check ............................................ 2-26
2.7 Keyboard Troubleshooting Procedures .............................................................................. 2-27
Procedure 1 Diagnostic Test Program Execution Check ............................................ 2-27
Procedure 2 Connector and Replacement Check ........................................................ 2-27
2.8 Display Troubleshooting Procedures ................................................................................. 2-28
Procedure 1 Brightness and Contrast Volume Check ................................................. 2-28
Procedure 2 External CRT Check .............................................................................. 2-28
Procedure 3 Diagnostic Test Program Execution Check ............................................ 2-28
Procedure 4 Connector Check.................................................................................... 2-29
Procedure 5 Replacement Check ............................................................................... 2-29
Tables
Table 2-1 Power supply error statuses ...................................................................................... 2-9
Table 2-2 Printer port LED error codes .................................................................................. 2-17
Table 2-3 Floppy disk drive error codes and statuses ............................................................. 2-21
Table 2-4 Hard disk drive error codes and statuses................................................................. 2-26
Figures
Figure 2-1 Troubleshooting flowchart ....................................................................................... 2-6
Figure 2-2 Printer port LED ..................................................................................................... 2-15
Figure 2-3 Reading the printer port LED ................................................................................. 2-15
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