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2 Troubleshooting Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-iii
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................................................................ 2-13
Procedure 4 Charging Check ................................................................... 2-13
Procedure 5 Replacement Check ............................................................. 2-14
2.4 System Board Troubleshooting................................................................................ 2-15
Procedure 1 Message Check .................................................................... 2-16
Procedure 2 Debug Port Check................................................................ 2-18
Procedure 3 Diagnostic Test Program Execution Check ......................... 2-28
Procedure 4 Replacement Check ............................................................. 2-28
2.5 3.5” FDD Troubleshooting ......................................................................................2-29
Procedure 1 FDD Head Cleaning Check ................................................. 2-29
Procedure 2 Diagnostic Test Program Execution Check ......................... 2-30
Procedure 3 Connector Check and Replacement Check.......................... 2-31
2.6 2.5” HDD Troubleshooting......................................................................................2-32
Procedure 1 Partition Check..................................................................... 2-32
Procedure 2 Message Check .................................................................... 2-33
Procedure 3 Format Check....................................................................... 2-34
Procedure 4 Diagnostic Test Program Execution Check ......................... 2-35
Procedure 5 Connector Check and Replacement Check.......................... 2-36
2.7 Keyboard Troubleshooting ......................................................................................2-37
Procedure 1 Diagnostic Test Program Execution Check ......................... 2-37
Procedure 2 Connector Check and Replacement Check.......................... 2-37