2.4 System Board Troubleshooting
2 Troubleshooting Procedures
libretto U100 Maintenance Manual (960-520)
[CONFIDENTIAL]
2-31
Procedure 4
Replacement Check
The System board connectors may be disconnected. Disassemble the computer following the
steps described in Chapter 4,
Replacement Procedures
and perform Check 1.
Check 1
Visually check for the following:
a)
Cracked or broken connector housing
b)
Damaged connector pins
If connectors are in good condition, but there is still a problem, go to Check 2.
Check 2
The System board may be damaged. Replace the System board with a new one
following the steps described in Chapter 4,
Replacement Procedures
.
Summary of Contents for libretto U100 Series
Page 10: ...x CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 38: ...1 Hardware Overview 1 9 AC Adapter 1 24 CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 40: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 44: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 113: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 114: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL libretto U100 Maintenance Manual 960 520 3 ...
Page 221: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 222: ...4 Replacement Procedures 4 ii CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 226: ...4 Replacement Procedures 4 vi CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 295: ... CONFIDENTIAL Appendices ...
Page 296: ...Appendices App ii CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 304: ...Appendices App x CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 324: ...Appendices Appendix B Board Layout B 14 CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 366: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...
Page 374: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL libretto U100 Maintenance Manual 960 520 ...