Toshiba Satellite A300-ST3511 Maintenance Manual page 204

4 Replacement Procedures
4.19 Power board,Switch board, Touch Pad board, touch pad and
Finger print board.
Removing the Power board, Switch board, Touch Pad board, Touch Pad and Finger
print board
Remove the Power board, Switch board, Touch Pad board, Touch Pad and Finger print
board according to the following procedures and Figure 4-39.
1. Release two M2x0.4 lack flat head screws securing the power board.
2. Remove the power board.
3. Release two M2x0.4 lack flat head screws securing the switch board.
4. Disconnect the switch board flat cable from CN34.
5. Remove the switch board.
6. Disconnect the button board flat cable from CN9012 on the button board.
7. Release two M2.5x3.5 white flat head screws securing the Button Board .
8. Remove the Button Board.
9. Release five M2.5x3.5 white flat head screws securing the touch pad bracket.
10. Remove the touch pad bracket.
11. Remove the finger print board.
Figure 4-39 Removing the touch pad, button board and Finger print board
4-60 Satellite A300/Satellite Pro A300/EQUIUM A300/SATEGO A300
4.19 Power board, Switch board, Touch Pad board
.
M2x0 4 black flat head screw
CN34
Switch Board
Switch Board SUMI CARD
. .
M2 5x3 5 white flat head screw
Power Board
Touch Pad Board
CN9012
Finger Print Board
CN9011
Maintenance Manual
0