Toshiba T6400 Maintenance Manual page 122

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Figures

Figure 4-1

Removing the seven system board cover screws .............................................................................. 4-8

Figure 4-2

Removing the keyboard cable ........................................................................................................... 4-9

Figure 4-3

Removing the keyboard base ............................................................................................................ 4-9

Figure 4-4

Removing the scan controller screws .............................................................................................. 4-10

Figure 4-5

Disconnecting the keyboard cable and keyboard interface cable .................................................. 4-10

Figure 4-6

Removing the keyboard from the keyboard cover .......................................................................... 4-11

Figure 4-7

Releasing the CPU lever .................................................................................................................. 4-12

Figure 4-8

Removing the CPU .......................................................................................................................... 4-12

Figure 4-9

Removing the oscillator .................................................................................................................. 4-13

Figure 4-10 Installing the central processor unit ................................................................................................ 4-13

Figure 4-11 Installing the oscillator.................................................................................................................... 4-14

Figure 4-12 Removing the built-in modem cover and case ................................................................................ 4-15

Figure 4-13 Removing the seven screws ............................................................................................................ 4-16

Figure 4-14 Removing the rear cover and rear support screws .......................................................................... 4-16

Figure 4-15 Removing the display hinge screw .................................................................................................. 4-17

Figure 4-16 Removing the five screws and 3.5" FDD port cover ....................................................................... 4-17

Figure 4-17 Disconnecting the four cables ......................................................................................................... 4-18

Figure 4-18 Removing the I/O interface board screws ....................................................................................... 4-20

Figure 4-19 Disconnecting the FDD, HDD, DC fan cables, and speaker ............................................................ 4-20

Figure 4-20 Removing the system board screws ................................................................................................ 4-21

Figure 4-21 Removing the four FDD screws ....................................................................................................... 4-22

Figure 4-22 Removing the FDD bracket screws ................................................................................................. 4-22

Figure 4-23 Removing the HDD ......................................................................................................................... 4-24

Figure 4-24 Removing the HDD bracket ............................................................................................................ 4-24

Figure 4-25 Removing the speaker ..................................................................................................................... 4-26

Figure 4-26 Removing the DC fans ..................................................................................................................... 4-27

Figure 4-27 Removing the power supply unit..................................................................................................... 4-28

Figure 4-28 Removing the LED board ................................................................................................................ 4-29

Figure 4-29 Removing the display shut-off switch ............................................................................................. 4-29

Figure 4-30 Removing the display mask screws ................................................................................................. 4-31

Figure 4-31 Removing the display mask ............................................................................................................ 4-32

Figure 4-32 Removing the brightness control board .......................................................................................... 4-33

Figure 4-33 Removing the gas plasma display screws ....................................................................................... 4-33

Figure 4-34 Disconnecting the display cables .................................................................................................... 4-34

Figure 4-35 Removing the DC-DC converter ..................................................................................................... 4-34

Figure 4-36 Removing the three back display cover screws .............................................................................. 4-35

Figure 4-37 Removing the DC-DC converter board ........................................................................................... 4-36

Figure 4-38 Removing the FL inverter board screws .......................................................................................... 4-36

Figure 4-39 Disconnecting the FL inverter cables .............................................................................................. 4-37

Figure 4-40 Removing the color LCD screws ..................................................................................................... 4-37

Figure 4-41 Removing the color LCD ................................................................................................................. 4-37

Figure 4-42 Removing the four back display cover screws ................................................................................ 4-38

Figure 4-43 Removing the FL inverter board ..................................................................................................... 4-39

Figure 4-44 Removing the color LCD screws and display cable ........................................................................ 4-39

Figure 4-45 Removing the four back display cover screws ................................................................................ 4-40

Figure 4-46 Removing the display cable ............................................................................................................ 4-41

4-4

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