430 Series
4.18 Fluorescent Lamp (FL) Inverter Board (DSTN)
Removing the FL Inverter Board (DSTN)
To remove the FL inverter board, follow the steps below and refer to Figure 4-44.
1. Turn off power to the computer. Disconnect the AC power cable and all external
cables connected to the computer.
2. Remove the battery pack, optional PC card, optional memory module, and display
mask as described in Sections 4.2, 4.3, 4.4, and 4.16.
NOTE: Support the back of the display with your hand when you remove the
screws.
3. Remove two M2.5x6 screws securing the FL inverter board. The left screw also
secures the ground cable.
4. Remove one M2.5x6 screw securing the contrast control board.
5. Disconnect the contrast control cable from the contrast control board.
6. Remove tape and disconnect the FL inverter cable from CN1 and the FL cable
from CN2 on the FL inverter board.
7. Lift the board out.
Figure 4-44 Removing the FL inverter board (DSTN)
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