dell latitude ls portable computers User Manual

support.dell.com Dell Latitude LS Portable Computers Service Manual 3
Figure 2.  Main Battery Assembly Removal
9. Ground yourself by touching the unpainted metal surface of an I/O 
connector on the back of the computer. 
NOTICE: While you work, periodically touch the I/O panel to           
dissipate any static electricity that might harm components.   
Screw Identification and Tightening
The illustrations in the following removal procedures provide lengths of the 
correct screws for each procedure....

4 Dell Latitude LS Portable Computers Service Manual
When you are removing and replacing components, photocopy the Table 1 
placement mat as a tool to lay out and keep track of the component screws.
Table 1. Screw Placement Mat with Component Screw Counts 
and Sizes
Hard-Disk Drive 
Assembly:
M2 x 4 mm (2 each)
Display Assembly 
Hinge to Base:
M2 x 4 mm (4 each)
Display Assembly 
Bezel:
M2 x 3.5 mm (6 each)
Rubber Screw Covers 
(4 each)
LCD Panel and 
Inverter:
M2 x 3.5 mm (5 each)
Display Assembly...

support.dell.com Dell Latitude LS Portable Computers Service Manual 5
ZIF Connectors
Some of the computer’s interface connectors are zero insertion force (ZIF) 
connectors. These connectors are not removable, but they must be released 
to disconnect a cable from them (see Figure 4).
Figure 4.  Disconnecting an Interface Cable
NOTICE: The ZIF connectors are fragile. To avoid damage, do not 
apply too much pressure to the movable part of the connector.
To disconnect an interface cable from a ZIF connector,...

6 Dell Latitude LS Portable Computers Service Manual
Removing Field-Replaceable Parts 
and Assemblies     
Figure 5.  Exploded View—Computer
The following subsections provide instructions for removing and replacing 
field-replaceable parts and assemblies.
display 
assembly
keyboard
palmrest 
assembly
system board assembly
hard-disk drive
main batterybottom case assembly
right hinge cover
left hinge cover
audio EMI 
shield
audio I/O port cover
keyboard bezel
speaker
fan
APR docking 
doors
modem 

support.dell.com Dell Latitude LS Portable Computers Service Manual 7
Hard-Disk Drive Assembly
Figure 6.  Hard-Disk Drive Assembly Removal 
NOTICE: To avoid damaging the system board, you must remove the 
main battery before you service the computer.
NOTICE: The hard-disk drive is very sensitive to shock. Handle the 
assembly by its edges (do not squeeze the top of the hard-disk drive 
case), and avoid dropping it.
NOTICE: Make sure that the work surface is clean to prevent    
scratching the computer...

8 Dell Latitude LS Portable Computers Service Manual
Keyboard Bezel
Figure 7.  Keyboard Bezel Removal
NOTICE: To avoid damaging the system board, you must remove the 
main battery before you service the computer.
NOTICE: To avoid damaging the microphone, do not put any objects 
into the microphone hole (see Figure 7).
1. Place the point of a paper clip, a very small flat-blade screwdriver, or a    
tool of similar size in the keyboard bezel hole and carefully push down           
(see Figure 7).
2. While...

support.dell.com Dell Latitude LS Portable Computers Service Manual 9
Display Assembly 
Figure 8.  Display Assembly Removal
NOTICE: To avoid damaging the system board, you must remove the 
battery before you service the computer.
1. Remove the keyboard bezel.
2. Close the display.
3. Remove the two M2 x 4-mm screws at the back of the computer that 
secure the display assembly to the bottom case (see Figure 8).
4. Turn the computer upside down on a flat work surface.
LCD flex-cable 
hold-down clip
M2 x...

10 Dell Latitude LS Portable Computers Service Manual
5. Remove the two M2 x 4-mm screws at the bottom of the computer that 
secure the display assembly to the bottom case (see Figure 8).
6. Turn the computer right-side up.
7. Open the display.
8. Remove the left and right hinge covers.
NOTE: When replacing the display assembly, the left hinge cover must go 
over the left hinge and the right hinge cover must go over the right hinge. 
They are not interchangeable. An L is stamped on the bottom of the left...

support.dell.com Dell Latitude LS Portable Computers Service Manual 11
6. Reinstall the two M2 x 4-mm screws that secure the display assembly to 
the bottom case.
You may have to squeeze the display assembly and the bottom assembly 
together, so the screw holes align in the base assembly and the hinge 
posts.
Do not completely tighten the screws.
7. Reinstall the two M2 x 4-mm screws in the back of the computer that 
secure the display assembly to the back of the bottom case.
8. Tighten the two screws...

12 Dell Latitude LS Portable Computers Service Manual
Display Assembly Bezel
l
Figure 9.  Display Assembly Bezel Removal
NOTICE: To avoid damaging the system board, you must remove the 
main battery before you service the computer.
1. Use a scribe to carefully pry the six rubber screw covers out of the six 
screw holes located along the top and bottom of the bezel on the front of 
the display assembly (see Figure 9).
2. Remove the six M2 x 3.5-mm screws located at the top and bottom of the 
bezel on the...