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Texas Instruments
570CD manual
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85 pages, 579.72 Kb
Maintenance Manual
Extensa
57x Series
Notebook Computers
9811323-0001
May 1996
Contents
Main
Page
Contents
Preface 1 General Description
2 Installation
3 Operating Instructions
4 Theory of Operation
5 Troubleshooting Procedures
6 Field Service
A Self Test Error Messages
B PC-Doctor Diagnostics
Preface
Introduction
Intended Audience
Contents
Other Manuals About the System
Ordering Parts and Supplies
1 General Description
1.1
1.2
Features Model 570CD Model
570CDT Model
1.3
Configuration P/N Suffix Configuration P/N Suffix
1.4
Page
1.4.1
1.4.2
1.4.3
Glidepad Select Buttons
n
1.4.3.1 Controls and Indicators
n
1.4.4
^
1.4.5
n
1.4.6
1.4.7
1.5
1.6
1.6.1
1.6.2
1.7
Specifications
Page
Specifications Models 570CD/575CD Models 570CDT/575CDT
1.8
2 Installation
2.1
2.2
n
2.3
c
n
2.3.1
2.3.2
2.3.3
2.4
c
2.5
2.5.1
Page
2.5.2
2-6 Installation
Figure 2-3 Parallel Port Location/Pinouts
2.5.3
c
2.5.4
2.5.5
2.6
c
AC Adapter
2.7
AC Power (120VAC to 230 VAC, 50 to 60 Hz)
2.8
2.9
2.10
3 Operating Instructions
n
3.1
3.2
3.2.1
3.2.2
3.3
3.3.1
Page
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8
3.3.9
Page
4 Theory of Operation
4.1
4.2
4.2.1
MAIN BOARD
4-2 Theory of Operation
System Controller 82C557
Figure 4-1 Notebook Functional Block Diagram
Address Range Device
Controller Channel Address Function
Priority Interrupt Number Interrupt Source
n
4.2.2
4.2.3
4.2.4
c
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
Page
4.2.9.4 DC-DC Converter/Battery Charger Circuit
5 Troubleshooting Procedures
5.1
5.2
SEE PARAGRAPH 5.3.3
Figure 5-1 Troubleshooting Flowchart
See Appendix B (PC-Doctor)
5-2 Troubleshooting Procedures
5.3
5.3.1
recharged battery pack if battery is discharged)
5-4 Troubleshooting Procedures
Figure 5-2 Troubleshooting Block Diagram
n
5.3.3
5.3.4
5.3.5
Page
Interactive Tests
Supporting Online documentation
Page
5.3.5.3 Running PC-Doctor
n
5.3.5.4 Quitting PC-Doctor
n
6 Field Service
c
6.1
6.2
6.2.1
c
6.2.2
6.2.3
6.2.4
6.3
c
6.4
and Assemblies
6.4.1
Page
6.4.2
Page
Item No.
6.5
c
Procedures
n
6.5.1
Pack
6.5.3
6.5.4
Modules (DIMMs)
6.5.5
6.5.6
6.5.7
Assembly
6.5.8
6.5.9
6.5.10
6.5.11
n
6.5.12
6.5.13
6.5.14
6.5.15
c
Appendix A Self Test Error Messages
A.1
Error Messages A-1
Table A-1 Self Test Error Messages
Error Message Corrective Action
Table A-2 POST Checkpoint List
A-2 Error Messages
Checkpoint No. Description
Error Messages A-3
Checkpoint No. Description
A-4 Error Messages
Page
B PC-Doctor Diagnostics
B.1
PC-Doctor Diagnostics B-1
B.2
B.3
Table B-1 PC-Doctor Key Assignments
B-2 PC-Doctor Diagnostics
Table B-2 Test Selection Menu Special Keys
B.4
n
B.5.1
B.5.2
B.5.3
B.5.4
B.5.5
B.6
B-6 PC-Doctor Diagnostics
B.7
