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FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
GENERAL INFORMATION
Tools Required for Proper
Disassembly and Reassembly:
1. Phillips Screwdriver (Size 0&1)
2. Flat head Screwdriver
3. Security Torx (Size 7)
4. Case Separator
5. ESD Wrist Strap
6. ESD mats
7. Tweezers
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
Electro-Static Discharge(ESD).
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
TABLE OF CONTENTS:
1. BATTERY PACK REMOVAL
2. OPTIONAL PC CARD REMOVAL
3. SELECT BAY REMOVAL
4. CD-R/W/DVD-ROM DRIVE DISASSEMBLY
5. WIRELESS LAN CARD REMOVAL
6. BLUETOOTH CARD REMOVAL
7. HDD REMOVAL
8. KEYBOARD REMOVAL
9. MEMORY MODULE REMOVAL
10 MEMBRANE SWITCH REMOVAL
11. LCD ASSEMBLY REMOVAL
12. AUDIO/INFRA RED BOARD REMOVAL
13. MODEM BOARD REMOVAL
14. RTC BATTERY REMOVAL
15. WIRELESS SWITCH BOARD REMOVAL
16. TOP PCB REMOVAL
17. BOTTOM PCB REMOVAL
18. SPEAKERS REMOVAL
19. 12" DISPLAY MASK REMOVAL
20. FL INVERTER AND 12'' LCD REMOVAL
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
BATTERY PACK REMOVAL OPTIONAL PC CARD REMOVAL
Battery
Pack
Release
lever
PC card
Eject button
1. Turn the computer upside down as shown. 1. Press the eject button of the PC Card you want to
2. Slide the battery release lever in the direction of the remove.
arrow. 2. Press the eject button to pop the PC Card out.
3. Lift out the battery. 3. Grasp the PC card and remove it.
NOTE: Before removing any PCCard device, make sure
it is "STOPPED" in the PC Card manager.
SELECT BAY REMOVAL CD-R/W/DVD-ROM DRIVE DISASSEMBLY
CD-R/W/DVD-ROM
drive
Base cover
Select bay Connector M2x3 silver
device screws
Release lever
M2x8 silver Connector cover
screws
1. Turn the computer upside down. 1. Remove five M2x3 silver screws securing the
2. Slide the release lever in the direction of the arrow. base cover and lift off the base cover.
3. Pull out the select bay device in the direction of the 2. Remove two M2x8 silver screws securing the
arrow. connector cover.
3. Remove the connector and the connector cover
from the CD-R/W/DVD-ROM drive.
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
WIRELESS LAN CARD REMOVAL
Glass
tape
Mini-PCI
connector
clips
M2.5x4 security torx screws Mini PCI cover Wireless LAN card Black coax cable White coax cable
1. Remove two M2x4 security torx screws securing 2. Using a pull out jig, disconnect the black and white
the mini PCI cover and lift out the cover. coax from the wireless LAN card.
3. Peel off the glass tape securing the coax cables.
4. Spread the Mini-PCI connector clips and pull the
Wireless LAN card out of the connector about
45 degree angle.
BLUETOOTH CARD REMOVAL
Coaxial
cable
Glass
tape
Bluetooth cover Bluetooth card
1. Lift out the bluetooth cover. 2. Peel off the glass tape securing the coaxial cable.
3. Disconnect the coaxial cable on the bluetooth card.
4. Disconnect the bluetooth card from the system
board.
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
HDD REMOVAL HDD REMOVAL
HDD cover M2x4 silver screw HDD pack Plastic Tab
1. Turn the computer upside down. 4. Unfold the plastic tab and pull to remove the HDD
2. Remove two M2x4 silver screws securing HDD cover. from the bay.
3. Remove the HDD cover.
KEYBOARD REMOVAL
HDD
HDD
bracket
Latch
HDD connector M3x4 flat head brass screws Keyboard holder
5. Remove four M3x4 brass flat head screws securing 1. Turn the computer right side up and open the display
the HDD to the bracket and lift the drive out of the panel.
bracket. 2. Using the case separator, unlatch the keyboard
6. Unplug the HDD connector from the drive. holder.
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
KEYBOARD REMOVAL
Keyboard
cable
M2x4 black screws PJ445 Keyboard
3. Remove two M2x4 black screws securing the 4. Lift out the keyboard and set it as shown above.
keyboard. (Place an insulator between the keyboard and the
LCD to avoid scratches on the LCD).
5. Disconnect the keyboard cable from PJ445 on the
system board.
MEMORY MODULE REMOVAL MEMBRANE SWITCH REMOVAL
Plastic
insulator
Memory
module
Memory clips M2x4 silver screws
1. Lift up the plastic insulator covering the memory slots. 1. Turn the unit upside down.
2. Spread the memory clips outward and pull the memory 2. Remove three M2x4 silver screws securing the
module out of the connector on a 45 degree angle. palmrest cover.
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
MEMBRANE SWITCH REMOVAL
Palmrest
cover
Membrane
switch cable
M2x4 brass flat head screws PJ309
3. Turn the computer right side up and open the display panel. 5. Carefully lift up the palmrest cover.
4. Remove three m2x4 brass flat head screws securing 6. Disconnect the membrane switch cable from
the palmrest cover. PJ309 on the system board and lift out the palmrest
cover.
MEMBRANE SWITCH REMOVAL LCD ASSEMBLY REMOVAL
Membrane
switch
M2x10
silver
flat head
screws
Membrane
switch
bracket
M2x3 silver flat head screws M2x6 silver screws
7. Lift up the insulator covering three screws and remove 1. Turn the computer upside down and remove the
three M2x3 silver flat head screws securing the following screws:
membrane switch bracket. -2 M2x10 silver flat head screws
8. Remove the bracket and the membrane switch. -2 M2x6 silver screws
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
LCD ASSEMBLY REMOVAL
LCD
harness
Right
speaker
cable
Left Speaker cable
PJ5
Glass tape M2x4 brass flat head screws
2. Turn the computer right side up and open the display panel. 5. Remove eight M2x4 brass flat head screws securing
3. Peel off the glass tape securing the left speaker cable and the LCD assembly.
the wireless cables. 6. Carefully lift out the LCD assembly.
4. Disconnect the LCD harness from PJ5 and the left and
right speaker cables from PJ303 and 304.
AUDIO/INFRA RED BOARD REMOVAL MODEM BOARD REMOVAL
System
board
System
board
Modem
harness
Audio/IR M2x4 brass
board screws
PJ102
M2x4 brass screws Microphone Modem board
1. Disconnect the microphone from PJ102 on the 1. Disconnect the modem harness from JP1 on the
audio/IR board. modem board.
2. Remove two M2x4 brass screws securing the audio/IR 2. Remove two M2x4 brass screws securing the
board. modem board.
3. Disconnect the audio/IR board from PJ302 on the 3. Disconnect the modem board from PJ345 on the
system board. system board
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
RTC BATTERY REMOVAL WIRELESS SWITCH BOARD REMOVAL
M2x4
brass
RTC screw
battery Wireless
switch bracket
PJ752 RTC cable Plastic insulator Wireless switch cable Wireless switch board
1. Disconnect the RTC cable from PJ752 on the system 1. Remove one M2x4 brass screw securing the
board. wireless switch board.
2. Remove the RTC battery from the plastic insulator. 2. Lift up the wireless switch board and disconnect the
wireless switch cable from PJ1 on the wireless
switch board.
3. Remove the wireless switch bracket.
TOP PCB REMOVAL
Glass tape
Modem/LAN PJ306
hartness
Top system
board
PJ305 PJ307 RJ11 cable
PJ301
M2x4 brass screws System board Wireless switch cable
1. Peel off the glass tape securing the modem/LAN harness. 5. Disconnect the modem harness from PJ306
2. Disconnect the modem/LANharness from PJ305 and and the wireless switch cable from PJ301 on the
PJ307 on the top PCB. top system board.
3. Remove two M2x4 brass screws securing the top PCB. NOTE: When installing the top PCB, ensure that the
4. Disconnect the top PCB from PJ300 on the bottom board. modem/LAN harness is properly routed.
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
BOTTOM PCB REMOVAL SPEAKERS REMOVAL
PJ8
PJ9
Modem/LAN
harness
Glass
tape
Bottom
PCB
Left speaker Right speaker
M2x3 flat head silver screws
M2x4 brass screws
1. Disconnect the modem/LAN harness from PJ8 and 1. Remove two M2x3 silver screws securing both the
PJ9 on the bottom PCB. left and right speakers.
2. Remove six M2x4 brass screws securing the bottom PCB. 2. Peel off the glass tape securing the right speaker
3. Lift out the bottom PCB. cable and remove both speakers.
TOSHIBA
Tough Enough for Today's World.
FIELD REPLACEABLE UNIT DOCUMENTATION
TM
Portege
4000 Series
12" DISPLAY MASK REMOVAL FL INVERTER AND 12" LCD REMOVAL
LCD module
Latch
Display
mask
M2x4 M2x4
brass brass
screws screws
LCD
Glass tape
LCD/
FL cable FL inverter board M2x3 silver screw FL cable
Mask seals
1. Remove two rubber seals at the bottom corners of the 1. Remove two glass tapes securing the LCD/FL cable
display assembly using a pair of fine-tipped tweezers. and the FL cable.
2. Remove two M2x6 flat head brass screws securing 2. Remove one M2x4 brass screw securing the
the display mask. FL inverter board.
3. There are 19 latches securing the display mask. 2. Carefully lift up the FL inverter board and
Carefully insert your fingers between the mask and the disconnect the LCD/FL cable from CN1 and the
LCD panel and pry open the latches starting from the FL cable from CN2.
six top latches, to the five latches on each right 3. Remove four M2X4 brass screws securing the
and left sides, ending with the bottom seven latches. LCD module assembly.
5. Carefully lift out the bottom part of the LCD module
assembly and rotate out the top of the LCD module
enough to access the display cable
6. Peel off the tape securing the LCD/FL cable and
disconnect the cable.
7. Remove four M2x2.8 silver screws securing the
right and left LCD brackets.
TOSHIBA
Tough Enough for Today's World.