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4.22 T4700CT/T4800CT Fluorescent Lamp (FL) Unit
Removing the FL Unit
CAUTION: When you remove the FL unit, be careful not to let any dust or other
foreign matter from contaminating the LCD panel. Any contamination can affect
the performance of the unit.
To remove the T4700CT/T4800CT's FL unit, follow the steps below and refer to figure 4-52:
1.
Turn off the power to the computer. Disconnect the AC adapter, and all external
cables connected to the computer.
2.
Remove the battery pack, top cover, display mask and TFT color LCD module as
described in sections 4.2, 4.6, 4.16, and 4.21.
3.
Place the FL unit face down and remove the four M2x6 silver screws (figure 4-
52).
4.
Lift the FL unit out of the frame (figure 4-52).
Figure 4-52 Removing the FL unit (T4700CT/T4800CT)
Installing the FL Unit
To install the T4700CT/T4800CT's FL unit, follow the steps below.
1.
Replace the FL unit in the frame and secure it with the four M2x6 silver screws
(figure 4-52).
2.
Install the TFT color LCD module, the display mask, top cover, and the battery
pack as described in sections 4.2, 4.6, 4.16, and 4.21.
T4700CS, T4700CT, T4800CT
4-55
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