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 Icons in the LCD Check.............................................................. 2-6
Procedure 2 Error Code Check ....................................................................... 2-7
Procedure 3 Connection Check..................................................................... 2-13
Procedure 4 Charge Check............................................................................ 2-14
Procedure 5 Replacement Check...................................................................2-15
2.4 System Board Troubleshooting............................................................................... 2-16
Procedure 1 Message Check .........................................................................2-17
Procedure 2 Printer Port LED Check on Boot Mode.................................... 2-19
Procedure 3 Diagnostic Test Program Execution Check.............................. 2-28
Procedure 4 Replacement Check...................................................................2-29
2.5 FDD Troubleshooting.............................................................................................. 2-30
Procedure 1 FDD Head Cleaning Check....................................................... 2-30
Procedure 2 Diagnostic Test Program Execution Check.............................. 2-31
Procedure 3 Connector Check and Replacement Check............................... 2-32
2.6 HDD Troubleshooting............................................................................................. 2-33
Procedure 1 Message Check .........................................................................2-33
Procedure 2 Partition Check.......................................................................... 2-34
Procedure 3 Format Check............................................................................ 2-35
Procedure 4 Diagnostic Test Program Execution Check.............................. 2-36
Procedure 5 Connector Check and Replacement Check............................... 2-37
2.7 Keyboard and Touch pad Troubleshooting............................................................. 2-38
Procedure 1 Diagnostic Test Program Execution Check.............................. 2-38
Procedure 2 Connector and Replacement Check.......................................... 2-39
2.8 Display Troubleshooting......................................................................................... 2-41
Procedure 1 Diagnostic Test Program Execution Check.............................. 2-41
Procedure 2 Connector and Cable Check...................................................... 2-41
Procedure 3 Replacement Check...................................................................2-42
TECRA M1 Maintenance Manual (960-436) 2-iii