dell latitude xpi cd User Manual

Removing and Replacing Parts 4-23
To remove the LCD panel, follow these steps:
1. Remove the display assembly bezel.
2. Lift the lower edge of the LCD panel about 1 inch.
3. Disconnect the LCD-assembly power cable from connector CN2 on the 
LCD inverter board.
4. Lift the lower edge of the LCD panel approximately 3 inches.
5. Disconnect the display-assembly interface cable from the LCD interface 
connector on the underside of the LCD panel.
6.  Lift the LCD panel out of the display assembly case. 

4-24 Dell Latitude XPi CD Service Manual
LCD Inverter Board
Figure 4-18.  LCD Inverter Board Removal
To remove the LCD inverter board, follow these steps:
1. Remove the display assembly bezel.
2. Remove screws I1 and I2 securing the display-interface cable retaining 
bracket, and then remove the bracket.
3. Move the LED board out of the display assembly case far enough to 
gain access to the LCD inverter board.
4. Disconnect the LCD-inverter board interface cable from ZIF connector 
CN1 on the LCD...

Removing and Replacing Parts 4-25
Hinge Covers
Figure 4-19.  Hinge Covers Removal
Each of the hinge covers is held in place by three tabs that fit into slots on the 
display assembly base. The microphone is inside the right hinge cover. To 
remove the hinge covers, follow these steps:
1. Remove the display assembly from the computer.
2. Place the display assembly faceup on the work surface.
3. Rotate the display assembly base until the display assembly hinges are 
pointing upward at approximately a...

4-26 Dell Latitude XPi CD Service Manual
Display-Assembly Interface Cable
    
Figure 4-20.  Display-Assembly Interface Cable Removal   
The display-assembly interface cable connects the system board, LCD panel, 
LCD inverter board, and LED board. The cable wraps around a bobbin. To 
remove the display-assembly interface cable, follow these steps:
1. Remove the display assembly.
2. Remove the display assembly bezel.
3. Remove the LCD panel.
4. Remove the left hinge cover.
5. Remove screws I1 and I2...

Removing and Replacing Parts 4-27
7. Lift the display-assembly interface cable and bobbin out of the display 
assembly.
NOTE: Some computers have a display-assembly interface cable that detaches 
from the bobbin. If you have a cable with a permanently attached bobbin, stop 
here; otherwise, proceed to Step 8.
8. Look at the alignment marks on the display-assembly interface cable, 
and note the alignment of the cable to the bobbin. Then carefully detach 
the cable from the bobbin.
A double-sided adhesive...

4-28 Dell Latitude XPi CD Service Manual
Microphone/Switch Assembly
Figure 4-21.  Microphone/Switch Assembly Removal
The microphone/switch assembly is inside the right hinge cover. There is a 
microphone and a magnetic reed switch on the microphone/switch assembly. To 
remove the microphone/switch assembly, follow these steps:
1. Remove the display assembly.
2. Remove the right hinge cover. (Before doing so, note the correct routing 
of the microphone cable around the display assembly base.)
3. Remove...

Removing and Replacing Parts 4-29
Bottom Case Assembly
The bottom case assembly consists of the following:
•Diskette/CD-ROM assembly
•Deck-buoy
•Superpart assembly
•System board
•3.1-V power supply board
•I/O-panel dust cover
•Dust cover for the Advanced Port Replicator
•Audio board 

4-30 Dell Latitude XPi CD Service Manual
Figure 4-22.  Bottom Case Assembly Removal  
Part or Assembly NameOrder Name
Bottom case assemblyASSY,CVR,BTM,LXPiCD
bottom case assembly system board assembly
memory compartment coverI/O bracket clip I/O bracket clip
superpart 
assembly
3.1-V power supply
spreader plate
diskette/CD-ROM assembly
audio board 
keel plate
I/O panel 
dust coverdust cover for the 
Advanced Port 
Replicator
superpart 
serial EMI clip superpart docking EMI clip 

Removing and Replacing Parts 4-31
Diskette/CD-ROM Drive Assembly  
Figure 4-23.  Diskette/CD-ROM Drive Assembly Removal
To remove the diskette/CD-ROM drive assembly, follow these steps:
1. Remove the palmrest assembly.
2. Remove screws D1 and D2 securing the diskette/CD-ROM drive assem-
bly to the bottom case assembly.
3. Lift the back of the drive assembly slightly, and then slide the drive 
assembly toward the back of the computer about 
1/4 of an inch
Part or Assembly NameOrder Name
Diskette drive...

4-32 Dell Latitude XPi CD Service Manual
4. Lift the drive assembly straight up about 1 inch.
The front edge of the drive assembly engages tabs on the bottom case 
assembly. Make sure the diskette drive assembly is clear of the tab before 
attempting to lift it out of the bottom case assembly.
5. Disconnect the diskette drive and CD-ROM drive interface cables from 
connectors JFLOP and JCDROM on the system board.
6. Lift the drive assembly out of the bottom case assembly.
When replacing the drive...