420 Series 4-23
4.9 Sub-Battery and VGA Board
Removing the Sub-Battery and VGA Board
To remove the sub-battery and VGA board, follow the steps below and refer to Figures 4-22
to 4-25.
1. Turn off the power to the computer. Disconnect the AC power cord and all
external cables connected to the computer.
2. Remove the battery pack, optional PC card, optional memory module, FDD or
CD-ROM drive, HDD, and keyboard as described in Sections 4.2 through 4.8.
3. Disconnect the sub-battery from PJ503 and remove the battery.
WARNING: If you replace the sub-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.
Figure 4-22 Removing the sub-battery
4. Remove two tapes and disconnect the microphone cable from PJ3 on the sound
board.
Figure 4-23 Disconnecting the microphone cable
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