750.pdf

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.

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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.

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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

and remove the FDD from the bracket .

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Tecra 750 Series Disassembly Overview, (cont.)

To assemble the FDD, follow the steps below.

1. Seat the FDD in the bracket and

secure the bracket with four M2.5x2.8

black screws in the order numbered

on the case. Tighten screws to a torque

of less than 2.2 kgfcm.

2. Insert the flexible cable into the

connector . Press gently to ensure a

firm connection.

3. Seat the FDD in the lower plastic

frame and set the upper shield cover

in place.

4. Seat the flexible cable connector into

the lower plastic frame .

5. Set the upper plastic frame in place,

snap the two latches closed and secure

six M2x6 silver screws.

To disassemble the CD-ROM drive, follow the

steps below.

1. Remove four M2x3 screws and three

M2x6 silver screws securing the frame

to the CD-ROM drive.

2. Slide the drive partially out of the drive

frame.

3. Remove the connector cover and lift out

the flexible cable.

CAUTION : Be very careful not to press on

the top or bottom of the HDD. Pressure can

destroy data or damage the drive.

To remove the HDD pack, 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.

4. Slide the cover to the right and push

the HDD pack forward until the back

edge is aligned with a marker next to

the HDD slot.

5. Lift up on the cover to remove the HDD

pack.

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Tecra 750 Series Disassembly Overview, (cont.)

To disassemble the HDD Pack, follow the steps

below.

1. After removing the HDD pack, lift the left

end of the cover up.

2. Slide the cover all the way to the right.

3. Lift the cover up and remove it.

4. Remove four M2.5x6 silver screws

from HDD pack.

5. Remove the HDD tray and connector

cover .

6. Remove four M3x4 flat-head screws .

7. Remove the flexible cable .

CAUTION: Do not try to disconnect by

pulling on the flexible cable.

CAUTION: Do not apply pressure to the top

or bottom of the HDD.

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