6.5.14
Removing/Replacing the Power Supply
Board Assembly
To remove and replace the Power Supply Board Assembly, perform the following
procedure:
1
.
Remove the Top Case Assembly as described in paragraph 6.5.10.
2
.
Remove the metal shield that covers the Power Supply Board.
3
.
Using a plastic stick, lift up on the end of the board that is adjacent to the
processor. The board assembly snaps out. Remove board from unit.
4
.
Replacement is essentially the reverse of steps 1 through 3 above.
6.5.15
Removing/Replacing the Memory Board
To remove and replace the Memory Board Assembly, perform the following
procedure:
1
.
Remove the AC Adapter, Battery Pack, Hard Disk Drive and Floppy Disk Drive
from the unit.
Figure 6-8 Power Supply Board Removal
Field Service 6-15
Summary of Contents for Extensa 450 Series
Page 1: ...Maintenance Manual Extensatm 450 Series Notebook Computers 9805725 0001 November 1995 ...
Page 12: ...Figure 1 2 Extensa 450 Series Features 1 4 General Description ...
Page 42: ...Figure 4 1 Notebook Functional Block Diagram 4 2 Theory ...
Page 71: ...Figure 6 5 Touchpad Removal Replacement 6 12 Field Service ...
Page 93: ...Connector Pinouts B 11 ...
Page 100: ...Printed in U S A ...