Toshiba Tecra A2-S139 Maintenance Manual - Page 51
Contents, Diagnostic Test Program Execution Check
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2 Troubleshooting Procedures Chapter 2 Contents 2.1 Troubleshooting ...2-1 2.2 Troubleshooting Flowchart 2-2 2.3 Power Supply Troubleshooting 2-6 Procedure 1 Power Status Check 2-6 Procedure 2 Error Code Check 2-8 Procedure 3 Connection Check 2-15 Procedure 4 Charging Check 2-15 Procedure 5 Replacement Check 2-16 2.4 System Board Troubleshooting 2-17 Procedure 1 Message Check 2-18 Procedure 2 Debug Port Check 2-20 Procedure 3 Diagnostic Test Program Execution Check 2-30 Procedure 4 Replacement Check 2-30 2.5 3.5" FDD Troubleshooting 2-31 Procedure 1 FDD Head Cleaning Check 2-31 Procedure 2 Diagnostic Test Program Execution Check 2-32 Procedure 3 Connector Check and Replacement Check 2-33 2.6 2.5" HDD Troubleshooting 2-34 Procedure 1 Partition Check 2-34 Procedure 2 Message Check 2-35 Procedure 3 Format Check 2-36 Procedure 4 Diagnostic Test Program Execution Check 2-37 Procedure 5 Connector Check and Replacement Check 2-38 2.7 Keyboard Troubleshooting 2-39 Procedure 1 Diagnostic Test Program Execution Check 2-39 Procedure 2 Connector Check and Replacement Check 2-39 Satellite A50/TECRA A2 Maintenance Manual (960-478) 2-iii