4 Replacement Procedures
This section explains how to disassemble the computer and replace Field Replaceable Units
(FRUs). It may not be necessary to remove all the FRUs in order to replace one. The chart
below is a guide to which FRUs need to be removed in order to remove others. Always start
by removing the battery pack, next, optional items such as the optional Express card and
optional Media card, then follow the line on the chart to determine which FRU you must
remove first in order to repair the one you think is causing the computer to operate
improperly. Refer to the example at the bottom of the page.
How to see the chart
:
This chart shows
which unit(s) you need
to remove in advance
when you replace one
unit.
Example:
When you want to
replace the Function
Board, you need to
remove units in the
hatched boxes above
the box in which the
function Board is
located
Satellite/Satellite Pro U500/U500D, PORTEGE M900/M900D Maintenance Manual 4-5
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