Toshiba TECRA A11 Series Maintenance Manual page 46

Chapter 2
2 2-2
2.1 Troubleshooting ..................................................................................................... 2-6
2.2 Troubleshooting Flowchart .................................................................................... 2-8
2.3 Power Supply Troubleshooting............................................................................ 2-13
2.3.1 Procedure 1 Power Status Check ....................................................... 2-13
2.3.2 Procedure 2 Error Code Check .......................................................... 2-15
2.3.3 Procedure 3 Connection Check.......................................................... 2-20
2.3.4 Procedure 4 Charging Check ............................................................. 2-21
2.3.5 Procedure 5 Replacement Check ....................................................... 2-21
2.4 System Board Troubleshooting............................................................................ 2-22
2.4.1 Procedure 1 Message Check .............................................................. 2-23
2.4.2 Procedure 2 Debugging Port Check................................................... 2-25
2.4.3 Procedure 3 Diagnostic Test Program Execution Check ................... 2-30
2.4.4 Procedure 4 Replacement Check ....................................................... 2-30
2.5 USB FDD Troubleshooting ................................................................................. 2-31
2.5.1 Procedure 1 FDD Head Cleaning Check ........................................... 2-31
2.5.2 Procedure 2 Diagnostic Test Program Execution Check ................... 2-32
2.5.3 Procedure 3 Connector Check and Replacement Check.................... 2-33
2.6 2.5" HDD Troubleshooting.................................................................................. 2-35
2.6.1 Procedure 1 Partition Check .............................................................. 2-35
2.6.2 Procedure 2 Message Check .............................................................. 2-36
2.6.3 Procedure 3 Format Check................................................................. 2-37
2.6.4 Procedure 4 Diagnostic Test Program Execution Check ................... 2-38
2.6.5 Procedure 5 Connector Check and Replacement Check.................... 2-39
2.7 Keyboard Troubleshooting .................................................................................. 2-40
2.7.1 Procedure 1 Diagnostic Test Program Execution Check ................... 2-40
2.7.2 Procedure 2 Connector Check and Replacement Check.................... 2-40
2.8 Dual point Troubleshooting ................................................................................. 2-41
2.8.1 Procedure 1 Diagnostic Test Program Execution Check ................... 2-41
2.8.2 Procedure 2 Connector Check and Replacement Check.................... 2-42
TECRA A11/S11/P11/Satellite Pro S500 Series Maintenance Manual (960-784) [CONFIDENTIAL]
Contents
Troubleshooting Procedures
2-3