Toshiba portege 3400 Service Manual

FIELD REPLACEABLE UNIT DOCUMENTATION

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

TM

TM

3400 Series

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

3400 Series

Portege

GENERAL INFORMATION

TM

3400 Series

Portege

GENERAL INFORMATION

TM

Portege

TM

TM

Portege

3400 Series

GENERAL INFORMATION

For Parts listing

use TOSHFAX Doc:

3440CT(PP344C-2PU82): #7219

Before attempting any of the following procedures,
make sure that the main battery and AC adaptor is

not connected to the unit and the environment in

which you are working on is protected from

3480CT(PP348C-4PU82): #7228

Electro-Static Discharge(ESD).

TOSHIBA

Tough Enough for Today’s World.

FIELD REPLACEABLE UNIT DOCUMENTATION

TM

Portege

3400 Series

BATTERY PACK REMOVAL OPTIONAL PCMCIA CARD REMOVAL

Release lever

Battery Pack

1. Turn the computer upside down as shown.

2. Slide the battery release lever in the direction of the
arrow and slide the battery out of the computer.

EXPANSION MEMORY REMOVAL PALMREST REMOVAL

Memory
cover

PC card

1. Slide the eject button to the right.

2. Grasp the PC card and remove it.

NOTE: Before removing any PCMCIA device, make sure
it is “Stopped” in the PC Card Manager.

M2x10
black
screws

Eject button

M2x6
black
screws

M2x4 flat head black screws

1. Turn the computer upside down.

2. Remove two M2x4 flat head black screws securing
the memory cover.

3. Lift off the memory cover.

4. Push the memory clips outward and pull the memory
module out of the connector on a 45 degree angle.

TOSHIBA

Tough Enough for Today’s World.

1. Turn the computer upside down.

2. Remove the following screws:

- Two M2x10 black screws

- Four M2x6 black screws

FIELD REPLACEABLE UNIT DOCUMENTATION

TM

Portege

3400 Series

PALMREST REMOVAL

Palm rest
cover

Membrane
switch cable

PJ320

3. Turn the computer right side up and lift up the
palm rest cover.

4. Disconnect the membrane switch cable from PJ320

and remove the palm rest cover.

KEYBOARD REMOVAL

MEMBRANE SWITCH REMOVAL

Bracket

Speaker ground plate

1. Remove three M2x3 flat head silver screws
securing the bracket

2. Lift off the bracket and speaker ground plate.

3. Lift off the membrane switch.

M2x3 flat head
silver screws

SPEAKER REMOVAL

Membrane
switch

PJ110

1. Disconnect the keyboard cable from PJ110.

2. Disconnect the accupoint cable from PJ310.

3. Lift out the keyboard.

TOSHIBA

Keyboard

AccuPoint
cable

PJ310

Keyboard
cable

PJ420

1. Disconnect the speaker cable from PJ420 on the
system board.

2. Lift out the speaker assembly and remove the speaker
from the speaker holder.

Speaker

Speaker holder

Tough Enough for Today’s World.

FIELD REPLACEABLE UNIT DOCUMENTATION

TM

Portege

3400 Series

DISPLAY ASSEMBLY and UPPER COVER REMOVAL

M2x6 black screws

1. Turn the computer upside down as shown.

2. Remove the following screws.

- Three M2x8 black screws

- Two M2x6 black screws

LED BOARD REMOVAL

PJ300

Insulator

M2x8 black
screws

M2x6 brass screws

3. Turn the computer right side up and disconnect the
LCD harness from PJ300.

4. Remove three M2x6 brass screws securing the
display assembly and lift out the display assembly.

I/O BOARD REMOVAL

Display assembly

LCD
harness

Make sure the
insulator is tuck
in under the top
cover assy

System
board

PJ440

Flexible
cable

LED board

PJ720

1. Remove the LED board lens.

2. Lift out the LED board and disconnect the flexible cable
from PJ720 on the LED board and PJ440 on the
system board.

LED board lens

PJ410

FR board

PJ703

PJ700

I/O board

Glass tape

1. Peel off the glass tape securing the microphone
harness on the I/O board and FR board.

2. Disconnect the microphone cable from PJ703 and lift
out the microphone assembly.

3. Remove glass tape and one M2x4 black screws
securing FR board. Disconnect the FR board from
PJ410 on the system board and from PJ700 on the
I/O board and lift out the FR board.

4. Remove the I/O board from the base assembly.

Microphone assy

TOSHIBA

Tough Enough for Today’s World.

FIELD REPLACEABLE UNIT DOCUMENTATION

TM

Portege

3400 Series

HDD REMOVAL

HDD insulator

1. Slide the HDD to the right to disconnect from the
system board.

3. Slide the drive out of the HDD insulator.

SYSTEM BOARD REMOVAL

SYSTEM BOARD REMOVAL

M2x10
black
screws

HDD

1. Turn the computer upside down.

2. Remove four M2x10 black screws securing the
PC-Card assembly.

3. Turn the computer right side up.

MODEM REMOVAL

M2x6 brass screw

Latch hole assembly

4. Remove two M2x6 brass screws and two M2x4 brass
screws securing the system board.

5. Remove one M2x6 brass screw securing the latch
hole assembly and remove the latch hole assembly.

6. Peel off the glass tape securing the RTC battery harness
and disconnect the RTC battery harness from PJ735.

7. Lift out the system board.

M2x6 brass screw

M2x4
brass
screws

System
board

Tape

PJ735

RTC battery
harness

Modem
board

System board assembly

1. Turn the system board assembly upside down.

2. Disconnect the modem board from the system board.

TOSHIBA

Tough Enough for Today’s World.

FIELD REPLACEABLE UNIT DOCUMENTATION

TM

Portege

3400 Series

DISPLAY MASK REMOVAL

Latch

LCD cushions

LCD module

Display mask

LCD mask seals

1. Remove two LCD cushions and two LCD mask seals
using a pair of fine-tipped tweezers.

2. Remove four M2.5x4 flat head brass screws securing
the display mask.

3. There are 13 latches securing the display mask.
Carefully insert your fingers between the display mask
and the LCD module and pry open the display mask.

FL INVERTER AND LCD REMOVAL

M2x4
Flat head
brass
screws

LCD module

1. Lift up the FL inverter board and disconnect the FL
cable from CN2 and the FL inverter cable from CN1.

3. Remove three M2x4 flat head brass screws securing
the LCD module.

4. Carefully rotate the LCD module from left to right of
the LCD cover and disconnect the LCD cable from
the LCD module.

LCD cable

FL
cable

FL
inverter

Fl inverter cable

TOSHIBA

Tough Enough for Today’s World.