Toshiba 420CDT User Manual page 141

5. Disconnect the Real Time Clock battery cable from PJ3 on the system board
and remove the battery.
WARNING: If you replace the RTC battery, be sure to use only batteries
recommended by Toshiba. Installation of the wrong battery can cause the
battery to explode or otherwise cause damage.
6. Disconnect the panel close sensor cable from PJ10.
7. Pull up on the LED cable tab, then remove the LED cable from PJ14 on the
system board.
8. Remove one M2.5x8 screw from the sub-battery base.
9. Remove the tape securing the ground cable and one M2.5x6 screw with ground
cable from the system board.
10. Release two latches at the back of the computer and lift up the top cover with
display assembly. Be careful to clear the sound jack.
Figure 4-29 Removing the top cover with display assembly
420 Series
Figure 4-28 Removing the RTC battery
4-27