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Tecra 750 Series Disassembly Overview

The information offered in this section is an overview of the Maintenance Manual, Chapter 4, Replacement
Procedures. If you have any questions or concerns regarding the proper procedure please refer to the Mainte-
nance Manual through the Toshiba Service and Support Website before you proceed.

This section explains how to remove Field
Replaceable Units (FRUs). It may not be neces-
sary to remove all the FRUs in order to replace
one.

The chart is a guide to which FRUs need to be
removed in order to remove others. The section
numbers on the chart refer to the sections in the
Maintenance Manual, Chapter 4.

Always start by removing the battery pack, next,
optional items such as the optional PC card and
optional memory module, then follow the line on
the chart to determine which FRU you must
remove next in order to repair the one you think is
causing the computer to operate improperly.

To remove the battery pack, follow the steps
below.
CAUTION: When handling battery packs, be
careful not to short circuit the terminals. Also
do not drop, hit or otherwise apply impact; do
not scratch or break the casing.
1. Turn off the power to the computer.
Disconnect the AC adapter and all
external cables connected to the
computer.
2. Turn the computer upside down with the
front facing you and push the battery
lock up to unlock it. A red dot shows
when the lock is in the unlock position.
3. Pull the battery's release lever out and
slide it to the left to pop the battery up
slightly.
4. Grasp the battery pack and lift it out.

To install the battery pack, follow the steps below.
WARNING: The battery pack is a lithium ion
battery, which can explode if not properly
replaced, used, handled, or disposed of.
Dispose of the battery as required by local
ordinances or regulations. Use only batteries
recommended by Toshiba as replacements.
NOTE: Check the battery terminals visually. If
they are dirty, wipe them clean with a dry
cloth.
1. Turn off the power to the computer.
Disconnect the AC adapter and all
external cables connected to the
computer.
2. Make sure the battery release lever is
pulled out, then carefully insert the new
or recharged battery pack.
3. Place your fingers just above two pins
on the battery pack that fit into the
locking mechanisms in the battery
socket. Push the battery pack down
carefully until it locks into place.
4. Push the battery lock down to secure it.
The red dot will be covered.

Toshiba TRR Page 12 4/00, Tecra
Tecra 750 Series Disassembly Overview, (cont.)

To remove the optional PC card, make sure the
computer is in boot mode, then follow the steps
below.
1. Turn off the power to the computer.
Disconnect the AC adapter and all
external cables connected to the
computer.
2. Remove the battery pack.
3. Open or remove the PC card slot cover.
4. Press in slightly on the eject button for
the upper and/or lower card and the
button will pop out fully.
5. Press the button firmly to pop the PC
card out partially.
6. Grasp the PC card and remove it.
7. Close or replace the PC card slot
cover.

To install a PC card, follow the steps below.
1. Open or remove the PC card slot cover.
2. Insert the PC card and press gently to
ensure a firm connection.
3. Close the slot's cover or replace the
cover with an appropriate one.
4. Install the battery pack.

To remove the Selectable Bay module, follow
the steps below.
1. Turn off the power to the computer.
Disconnect the AC adapter and all
external cables connected to the
computer.
2. Remove the battery pack.
3. Turn the computer upside down and
slide the Selectable Bay lock so that a
red mark appears. If cables are
attached to the computer, be careful not
to put pressure on the cables.
4. Lay the computer back down and pull
out the release lever.
5. Push the release lever in firmly to pop
the Selectable Bay module partially out
of the bay.
6. Grasp the module and pull it out.

CAUTION: The Selectable Bay modules
can become hot with use. Be careful when
removing the module.

Install the Selectable Bay modules as described
below.
1. Verify the Selectable Bay lock is
unlocked.
2. Insert the module in the computer and
press until it locks into place.
3. Fold the release lever into the closed
position.
4. Slide the Selectable Bay lock so that
the red mark is covered.
5. Install the battery pack.

Toshiba TRR Page 13 4/00, Tecra
Tecra 750 Series Disassembly Overview, (cont.)

To install the Selectable Bay cover, follow the
steps below.
1. To install the cover, first remove the
Selectable Bay module then hold the
cover by the two finger grips and push it
into place until you hear the latches
click.
2. To remove the cover, grasp the two
finger grips and pull the cover out.

To disassemble the FDD, follow the steps below.
1. Remove six M2x6 silver screws.
2. Turn the FDD over and release two
latches securing the upper plastic
frame and lower plastic frame. Turn it
back over and lift off the cover.
3. Lift off the upper shield cover, unseat
the flexible cable connector from the
lower plastic frame, then lift out the
FDD.
4. Pull the flexible cable out of the FDD
connector.
5. Remove four M2.5x2.8 black screws