T3400, T3400CT
4.18 TFT Color Fluorescent Lamp Unit
Removal
CAUTION: When removing the FL unit, be careful not to let dust or other foreign
matter contaminate the display module. Any contamination can affect performance.
To remove the TFT color fluorescent lamp (FL), follow the steps below and refer to Figure 4-
31.
1. Turn off the power to the computer and disconnect the AC adapter, power cord,
and all external cables.
2. Remove the battery pack, display mask, FL inverter board, and display module as
described in sections 4.2, 4.13, 4.14, and 4.17.
3. Noting display cable routing, place the FL unit face down and remove four
M2x4 silver screws (Figure 4-31).
4. Lift the FL unit out of the frame.
Figure 4-31 Removing the FL Unit Screws
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