4.12 System board/DC-IN jack
4 Replacement Procedures
libretto U100 Maintenance Manual (960-520)
[CONFIDENTIAL]
4-31
4
Replacement Procedures
4.12 System board/DC-IN jack
CAUTION: 1. When handling the system board, hold the edges.
2. When replacing with a new system board, be sure to follow the procedures
below.
(1) Execute the subtest03 DMI information save of 3.3 Setting of the
hardware configuration in Chapter 3.
(2) Copy the DMI data to a new system board by executing subtest04 DMI
information recovery and subtest08 System configuration display.
Removing the System board/DC-IN jack
To remove the system board/DC-IN jack, follow the steps below and refer to Figure 4-17.
1.
Remove the following
screws
and disconnect the
HD FPC
,
DK cable
and
PC cable
from the connectors,
CN9600
,
CN9750
and
CN9500
on the system board.
•
M2
×
4B BIND
screw
×
3
2.
Lift up the
system board
.
CAUTION: Be careful that the LAN cable/DC-IN cable are connected to the back of the
system board.
3.
Disconnect the
DC-IN cable
from the connector
CN8800
on the back of the system
board and remove the
DC-IN jack
from the slot.
4.
Disconnect the
LAN cable
from the connector
CN4100
on the back of the system
board.
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 ...