Dell Latitude CPi Service Manual - Page 69

Sharp LCD Panel

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To disconnect the cable, carefully work the cable connector free from the ZIF connector on the LCD panel. Do not pull on the LCD interface cable itself. A magnet switch causes the computer to go into suspend mode when the display is closed. Failure to install the correct magnet in the magnet holder may prevent the computer from going into suspend mode. Begin by checking the back of the LCD panel for the manufacturer's label, and then follow the instructions for that manufacturer. Sharp LCD Panel Some revisions of the Sharp LCD panel have a magnetic frame and require a single, large magnet, or two small magnets with no foam spacer, for the magnet switch to operate properly. Other revisions of the Sharp LCD panel have a nonmagnetic frame and require a single, small magnet with a foam spacer. To identify the revision of the LCD you are working with, follow these steps: a. Remove the magnet from the magnet holder (see Figures 4-19 and 4-20), and place it against the replacement LCD panel frame. b. If the magnet sticks, the LCD panel has a magnetic frame. Place a sin- gle, large magnet, or 2 small magnets with no foam spacer, in the magnet holder. c. If the magnet does not stick, the LCD panel has a nonmagnetic frame. Place a single, small magnet and a foam spacer in the magnet holder, as shown in Figure 4-20. Place the magnet to the left of the foam spacer, assuming you are facing the display as shown in Figure 4-19. f Removing and Replacing Parts 4-33

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Removing and Replacing Parts
4-33
To disconnect the cable, carefully work the cable connector free from the
ZIF connector on the LCD panel. Do
not
pull on the LCD interface cable
itself.
A magnet switch causes the computer to go into suspend mode when the
display is closed. Failure to install the correct magnet in the magnet holder
may prevent the computer from going into suspend mode. Begin by check-
ing the back of the LCD panel for the manufacturer’s label, and then follow
the instructions for that manufacturer.
Sharp LCD Panel
Some revisions of the Sharp LCD panel have a magnetic frame and require
a single, large magnet, or two small magnets with no foam spacer, for the
magnet switch to operate properly. Other revisions of the Sharp LCD panel
have a nonmagnetic frame and require a single, small magnet with a foam
spacer. To identify the revision of the LCD you are working with, follow
these steps:
a.
Remove the magnet from the magnet holder (see Figures 4-19 and
4-20), and place it against the replacement LCD panel frame.
b.
If the magnet sticks, the LCD panel has a magnetic frame. Place a sin-
gle, large magnet, or 2 small magnets with no foam spacer, in the
magnet holder.
c.
If the magnet does not stick, the LCD panel has a nonmagnetic frame.
Place a single, small magnet and a foam spacer in the magnet holder,
as shown in Figure 4-20. Place the magnet to the left of the foam
spacer, assuming you are facing the display as shown in
Figure 4-19.
f