420 Series 4-51
4.22 FL (DSTN model)
CAUTION: When you remove the FL, be careful not to let any dust or other foreign
matter enter the LCD panel components.
Removing the FL
To remove the FL, follow the steps below. Refer to Figures 4-51 and 4-52.
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 memory module, optional PC card, display
mask, FL inverter board, and LCD module as described in Sections 4.2, 4.3,
4.4, 4.16, 4.18, and 4.20.
3. Turn the LCD module over and release four latches securing the FL mod-
ule to its frame.
4. Remove two M2x6 screws.
Figure 4-51 Removing the FL assembly (DSTN)
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