Dell Inspiron Cp Service Guide

							Removing and Replacing Parts 4-35
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The following subsections describe how to remove an LCD inverter board from 
a 12.1-inch or 13.3-inch LCD display.
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Note the placement of the EMI shield over the lower screw boss, and the 
routing of the LCD-panel power cable around the upper screw boss.
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NOTE: When installing the inverter board, connect the LCD interface cable to 
the board prior to securing the board in the display-assembly top cover. After 
installing the inverter board, ensure that the LCD-panel power cable is routed 
around the plastic screw bosses in the display-assembly top cover.
LCD inverter board display-assembly top cover
connector J1 connector J25-mm 
screws (2)
spacer (2)
LCD-assembly 
power cable 
						

							4-36 Dell Latitude CP and CPi Service Manual
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NOTE: Replace the LCD inverter board in the shield so that the components on 
the board face towards the display-assembly top cover.
display-assembly top cover
top cover brace
LCD inverter 
board shield LCD inverter board interface cable 
						

							Removing and Replacing Parts 4-37
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To remove the top cover brace, remove the 3-mm screw securing it.
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NOTE: When replacing the display assembly, reinstall the screws securing the 
left hinge at the locations marked on the hinge by arrows. Ensure that the 
display-assembly interface cable wraps once around the plastic bobbin before 
connecting the cable to the system board. 
display-assembly interface cable
connector J1 left hinge
plastic bobbin
5-mm 
screws (2) 
						

							4-38 Dell Latitude CP and CPi Service Manual
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NOTES: To aid in reinstalling the hinges and display assembly, the right and left 
hinges are marked by an “R” and an “L,” respectively. Install the four screws 
securing the hinges at the locations marked by arrows on the face of each 
hinge. 
The right bracket on a 12.1-inch display fits above the right hinge (see 
Figure 4-14). 
						

							Removing and Replacing Parts 4-39
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To remove a brace, remove the 3-mm screw securing the brace to the 
display-assembly top cover. 
NOTES: The replacement display-assembly top cover assembly includes two 
badges, one for Dell Latitude CP and one for the Dell Latitude CPi. Look at the 
old cover to determine which badge is appropriate, and then attach the appro-
priate badge to the new cover.   
When reinstalling the display assembly, install the four screws securing the 
hinges at the locations marked by arrows on the face of each hinge. 
						

							4-40 Dell Latitude CP and CPi Service Manual
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The bottom case assembly consists of the following field-replaceable 
components:
‡Diskette drive assembly, CD-ROM drive assembly, or travel module
‡Back cover assembly
‡Audio shield
‡Audio board
‡Bottom case bracket
‡Module latch assemblies
‡Speakers
‡System board assembly
‡Thermal cooling assembly
‡Air flow duct
‡Exhaust fan
‡I/R board
‡Reserve battery 
						

							Removing and Replacing Parts 4-41
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I/R board
modular bay device system board assemblyaudio shield
air flow duct thermal cooling assembly
bottom case bracket
main batteryaudio board
module latch
assembly (2) 
						

							4-42 Dell Latitude CP and CPi Service Manual
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NOTE: You do not need to remove the main battery or hard-disk drive prior to 
this procedure.
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Push the modular bay latch away from the center of the computer. Keep 
holding the latch open while pulling the device out of the modular bay with 
the other hand.
latch lock 
						

							Removing and Replacing Parts 4-43
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NOTE: When replacing the audio shield, ensure that the audio shield is prop-
erly seated to prevent it from cutting into the speaker wires or interfering with 
devices installed in the modular bay. (You can check this by temporarily install-
ing a device in the modular bay prior to reinstalling the palmrest assembly.) 
						

							4-44 Dell Latitude CP and CPi Service Manual
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The connectors are fragile—do not pull on the wires to disconnect them.
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NOTE: When replacing the audio shield, ensure that the audio shield is prop-
erly seated to prevent it from cutting into the speaker wires or interfering with 
devices installed in the modular bay. (You can check this by temporarily install-
ing a device in the modular bay prior to reinstalling the palmrest assembly.)
5-mm screw
audio board audio shield
speaker wires