
[CONFIDENTIAL] 2-1
Chapter 2 Troubleshooting Procedures Chapter 2 Contents
2.1 Troubleshooting............................................................................................................1
2.2 Troubleshooting Flowchart........................................................................................... 3
2.3 Power Supply Troubleshooting..................................................................................... 8
Procedure 1 Power Status Check ..................................................................8
Procedure 2 Error Code Check ...................................................................10
Procedure 3 Connection Check................................................................... 12
Procedure 4 Charging Check ......................................................................12
Procedure 5 Replacement Check ................................................................1
2.4 System Board Troubleshooting...................................................................................1
Procedure 1 Message Check .......................................................................1
Procedure 2 Debugging Port Check............................................................ 18
Procedure 3 Diagnostic Test Program Execution Check............................ 23
Procedure 4 Replacement Check ................................................................23
2.5 USB FDD Troubleshooting........................................................................................ 24
Procedure 1 FDD Head Cleaning Check ....................................................24
Procedure 2 Diagnostic Test Program Execution Check............................ 25
Procedure 3 Connector Check and Replacement Check............................. 26