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

2-13

 

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

Satellite A50S/TECRA A3X Maintenance Manual (960-534)

[CONFIDENTIAL]

2-iii

Page 53
Image 53
Toshiba A3X manual Power Status Check