Dell Inspiron Xpi Cd Service Guide

							Factory Repair Parts A-19
Display Assembly Hinges 
To remove a hinge (see Figure 4-14), follow these steps:
1. Remove the display assembly from the computer.
See “Display Assembly” in Chapter 4.
2. Remove the display assembly bezel.
See “Display Assembly Bezel” in Chapter 4.
3. Remove the LCD assembly.
See “LCD Panel” in Chapter 4.
4. Remove the display-assembly interface cable.
See “Display-Assembly Interface Cable” in Chapter 4.
5. Remove the hinge covers.
See “Hinge Covers” in Chapter 4.
6. Remove the display assembly base.
See the previous subsection, “Display Assembly Base.”
7. Rotate the display assembly hinges so that they point away from the 
display assembly case at approximately 180 degrees.
8. To remove the hinge, remove the screw securing the hinge to the display 
assembly case and disengage the hinge from the display assembly case. 
						

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System-Board Assembly Components 
 
Figure A-5.  System Board Assembly in the Bottom Case Assembly
To remove a part of the system board assembly, Dell recommends that you first 
remove the assembly as described in “System Board Assembly” in Chapter 4. 
Then follow the instructions described in the following subsections to remove 
parts of the system board assembly.
System Board
To remove and replace the system board, transfer the following items from the 
system board assembly to the replacement system board assembly:
•Any installed memory modules — See “Memory Modules” in Chapter 4.
•Keyboard/keypad/mouse connector shield — See the next subsection, 
“Keyboard/Keypad/Mouse Connector Shield.”
•I/O interface cable — See “I/O Interface Cable” found later in this 
appendix.
•I/O board — See “I/O Board” found later in this section.
bottom case assembly
system board assembly
I/O interface
cable
I/O docking EMI clip
I/O serial
EMI clip 
						

							Factory Repair Parts A-21
Keyboard/Keypad/Mouse Connector Shield 
 
Figure A-6.  Keyboard/Keypad/Mouse Connector Shield Removal
Two tabs on the keyboard/keypad/mouse connector shield engage two associ-
ated slots on the I/O panel near the keyboard/keypad/mouse connector. 
Retaining screw D4 attaches the bottom of the shield to the bottom of the I/O 
panel. To remove the shield, remove retaining screw D4, rotate the bottom of 
the shield toward the back of the system board assembly, and lift the shield off 
the I/O panel.
D4 (3 mm)
keyboard/keypad/
mouse connector  connector shield
3 mm 
						

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I/O Interface Cable
Figure A-7.  I/O Interface Cable Removal
To remove the cable, follow these steps:
1. Disconnect one end of the I/O interface cable from connector JSTDIO 
on the system board.
Connector JSTDIO is located on the underside of the system board.
2. Disconnect the other end of the I/O interface cable from connector 
JFLEX on the I/O board.
I/O interface cableconnector JFLEX
connector JSTDIO
I/O board system board 
						

							Factory Repair Parts A-23
I/O Board
 
Figure A-8.  I/O Board Removal
To remove and replace the I/O board, follow these steps:
1. Remove the I/O interface cable from connector JSTDIO.
See the previous subsection in this appendix.
2. Remove the keyboard/keypad/mouse connector shield.
See “Keyboard/Keypad/Mouse Connector Shield” found earlier in this 
appendix.
3. Remove the four hexagonal standoff screws ST1 through ST4 that 
secure the serial and parallel port connectors to the I/O panel.
Use a 
3/16 nut holder to remove the standoff screws.
4. Remove the side I/O bracket clip.
See “System Board Assembly” in Chapter 4.
5. Lift the I/O board away from the I/O panel.
When replacing the I/O board, make sure that the side I/O bracket clip is 
positioned so that it rests directly on the I/O board, rather than between the 
I/O board and I/O bracket (see Figure A-8).
I/O board
I/O bracket
8 mm
I/O bracket clip
ST1 (8 mm)ST2 (8 mm)ST3 (8 mm)ST4 (8 mm) 
						

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I/O Panel  
 
Figure A-9.  I/O Panel Removal
To remove and replace the I/O panel, follow these steps:
1. Remove the I/O board.
See the previous subsection in this appendix.
2. Remove the standoff nuts ST1 through ST8
Use a 
3/16 nut driver to remove standoff nuts ST1 through ST6 and a 7/32 nut 
driver for ST7 and ST8.
3. Remove screw D5.
4. Remove the I/O bracket from the system board.
system board I/O bracket
8 mmST5 ST6
ST7 (4 mm)
4 mm
3 mm
D5 (3 mm)
ST4
ST3
ST2
ST1 ST8 (4 mm)
NOTE: ST1–ST8 are 
8-mm standoff nuts 
						

							Factory Repair Parts A-25
Bottom-Case Assembly Components
 
Figure A-10.  Bottom-Case Assembly Components
To remove parts of the bottom case assembly, you must first remove the system 
board assembly as described in “System Board Assembly” in Chapter 4. The 
subsections that follow describe the removal and replacement of bottom-case 
assembly components.
Main Battery Insulator
The main battery insulator insulates the main battery from the system board 
assembly. To remove the main battery insulator, lift it off the main battery 
compartment.
NOTE: The main battery insulator sometimes comes out as part of the system 
board assembly. If this happens, follow the instructions in “System Board 
Assembly” in Chapter 4.
bottom case assembly spreader plate
power button
main battery 
insulator 
						

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Power Button and Power-Button Mounting Bracket
 
Figure A-11.  Power Button and Power-Button Mounting Bracket 
Removal
Two tabs attach the power button to the power-button mounting bracket. To 
remove the power button and its mounting bracket, slide the power button as far 
as it will go toward the back of the bottom case assembly. Use a small flat-blade 
screwdriver or similar device to press the two tabs out of the mounting bracket. 
Lift the mounting bracket out of the bottom case assembly; then press the power 
button out of the hole in the side of the bottom case assembly.
power button
mounting bracket power button 
						

							Factory Repair Parts A-27
Spreader and Keel Plates    
 
Figure A-12.  Spreader and Keel Plate Removal
Remove the spreader plate by lifting it from the bottom case assembly. The 
spreader plate fits easily over plastic projections and screw holes. The keel plate 
is in the center of the bottom case, below the spreader plate. The keel plate fits 
over a small peg and a semicircular plastic projection. Remove the keel plate by 
lifting it out of the bottom case assembly.
spreader plate 
bottom case assembly keel plate  
						

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