Toshiba Portege 4000 Maintenance Manual

FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesGENERAL INFORMATIONBefore 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).FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesGENERAL INFORMATIONBefore 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...

FIELD REPLACEABLE UNIT DOCUMENTATION
4000 Series
TOSHIBA
Tough Enough for Today’s World.
         TABLE OF CONTENTS:
1. BATTERY PACK REMOVAL
2. OPTIONAL PC CARD REMOVAL 
3. SELECT BAY REMOVAL
4. CD-R /W /DVD-ROM  DRIVE DISASSEMB LY 
5. WIRELESS LAN CARD REMOVAL
6. BLUETOOTH CARD REMOVAL
7. HDD REMOVAL
8. KEYBOARD REMOVAL
9. MEMORY MODULE REMO VAL
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...

TOSHIBA
Tough Enough for Today’s World.
OPTIONAL PC CARD REMOVAL
1. Press the eject button  of the PC  Card you want to 
    remove. 
2. Press the  eject button  to pop the PC Card out.
3. Grasp the  PC card and remove it.
            
SELECT BAY REMOVAL
1. Turn the computer upside down. 
2. Slide the  release lever  in the direction of the arrow.
3. Pull out the  select bay device  in the direction of the
    arrow.
FIELD REPLACEABLE UNIT DOCUMENTATION
4000 Series
BATTERY PACK  REMOVAL
1.  Turn the...

TOSHIBA
Tough Enough for Today’s World.
FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesBLUETOOTH CARD REMOVAL1. 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. WIRELESS LAN CARD REMOVAL1. Remove two M2x4 security torx screws securing 
    the mini PCI cover and lift out the cover.2. Using a pull out jig, disconnect the black and white 
    coax from the...

  HDD  REMOVALTOSHIBA
Tough Enough for Today’s World.
FIELD REPLACEABLE UNIT DOCUMENTATION4000 Series
4. Unfold the plastic tab and pull to remove the HDD
    from the bay.
        HDDHDD 
bracket1. Turn the computer upside down.
2. Remove two M2x4 silver screws securing HDD cover.
3. Remove the HDD cover.  HDD  REMOVALHDD connectorM3x4 flat head brass screwsKEYBOARD REMOVAL1. Turn the computer right side up and open the display
     panel.2. Using the case separator, unlatch the keyboard
    holder....

3. Remove two M2x4 black screws securing the
    keyboard. M2x4 black screwsFIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesKEYBOARD REMOVALMEMORY MODULE REMOVAL
TOSHIBA
Tough Enough for Today’s World.4. Lift out the keyboard and set it as shown above.
    (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.Keyboard
cablePJ445Keyboard1. Lift up the plastic insulator covering the memory slots.
2....

TOSHIBA
Tough Enough for Today’s World.
FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesMEMBRANE SWITCH REMOVAL3. Turn the computer right side up and open the display panel.
4. Remove three m2x4 brass flat head screws securing 
    the palmrest cover.5. Carefully lift up the palmrest cover.
6. Disconnect the membrane switch cable from 
    PJ309 on the system board and lift out the palmrest
    cover.Palmrest
coverMembrane
switch cablePJ309M2x4 brass flat head screwsMEMBRANE SWITCH REMOVAL7. Lift up the...

LCD ASSEMBLY REMOVAL2. Turn the computer right side up and open the display panel.
3. Peel off the glass tape securing the left speaker cable and
    the wireless cables.4. Disconnect the LCD harness from PJ5 and the left and 
    right speaker cables from PJ303 and 304.5. Remove eight M2x4 brass flat head screws securing
    the LCD assembly.6. Carefully lift out the LCD assembly.TOSHIBA
Tough Enough for Today’s World.
FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesLCD
harnessLeft Speaker cableRight...

RTC BATTERY REMOVAL1. Disconnect the RTC cable from PJ752 on the system 
    board.2. Remove the RTC battery from the plastic insulator.TOSHIBA
Tough Enough for Today’s World.
FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesWIRELESS SWITCH BOARD REMOVAL1. Remove one M2x4 brass screw securing the 
    wireless switch board.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.1. Peel off the glass...

TOSHIBA
Tough Enough for Today’s World.
FIELD REPLACEABLE UNIT DOCUMENTATION4000 SeriesBOTTOM PCB REMOVALSPEAKERS REMOVAL1. Disconnect the modem/LAN harness from PJ8 and
    PJ9 on the bottom PCB.
2. Remove six M2x4 brass screws securing the bottom PCB.
3. Lift out the bottom PCB.1. Remove two M2x3 silver screws securing both the 
    left and right speakers.2. Peel off the glass tape securing the right speaker
    cable and remove both speakers.Modem/LAN
harnessBottom 
PCBM2x4 brass screwsPJ8
PJ9Glass...