Dell Inspiron 7000 Service Manual

							Removing and Replacing Parts 4-37
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This section provides the removal procedure for the display assembly.
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This procedure assumes that you have removed the keyboard and thermal 
shield. To remove the display assembly from the computer, follow these steps 
(see Figure 4-24):
1. Disconnect the LCD wire harness from connector JP3.
Use a dental pick or flat-blade screwdriver to pry up each end of the con-
nector to release it.
2. Close the display.
3. Remove the four 6-mm screws that secure the two hinges. 
4. Unlatch the display assembly and lift the assembly off the computer base.
6-mm screws (4)
hinge saddles (2)
connector 
JP3
hinges (2)
LCD wire 
harness 
						

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This section provides the removal procedure for the front bezel.
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This procedure assumes that you have removed the display assembly from the 
computer base. To remove the front bezel, follow these steps (see 
Figure 4-25):
1. Use a dental pick to pry the rubber screw covers off of the bottom two 
screws and the rubber bumpers off of the top two screws.
2. Remove the four 6-mm screws from the front bezel.
3. Unsnap the front bezel from the back cover and remove it from the 
assembly.
Carefully insert your fingers between the LCD panel and the bezel. Roll the 
plastic up slightly to insert your fingers further in, and then lift upward to 
free the snaps. Start at the middle bottom and then work around.
When replacing the bezel, ensure that the LCD wire harness is routed 
correctly through the openings in the back cover and is not pinched.
6-mm screws (4)
rubber bumpers (2)
rubber screw covers (2)
front bezel 
						

							Removing and Replacing Parts 4-39
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This section provides the removal procedure for the 13.3-inch LCD panel.

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This procedure assumes that you have removed the front bezel. Follow these 
steps to remove the 13.3-inch LCD panel (see Figure 4-26):
1. Remove the eight 6-mm screws that secure the left and right LCD brackets 
to the front plastic cover.
2. Detach the LCD wire harness from connector CN2 on the right side of 
inverter board.
3. If present, carefully remove the grounding tape between the inverter board 
and LCD panel.
4. Loosen the 3-mm screw securing the inverter board.
5. Lift the LCD panel, LCD brackets, and carrier tray, as a unit, out of the back 
cover. 
Rotate upward from the bottom of the panel because the top slides under-
neath the plastic hooks.
6. Remove the hinges, which were previously held in place by pressure and 
screws.
6-mm screws (8)
inverter board
back cover
LCD panel
LCD wire harnessCCFL cable
hinges(2) LCD brackets (2) 
3-mm screw
carrier 
tray  
						

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To remove the inverter board, follow these steps:
1. Remove the 3-mm screw securing the inverter board to the back cover.
2. If you have not removed the LCD panel, disconnect the LCD wire harness 
from connectors CN1 and CN2 on the inverter board.
3. Remove the inverter board from the back cover. 
						

							Removing and Replacing Parts 4-41
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This section provides the removal procedure for the LCD brackets and carrier 
tray from the 13.3-inch LCD panel.
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This procedure assumes that you have removed the front bezel and the 
13.3-inch LCD panel. To remove the brackets from the LCD panel, follow these 
steps (see Figure 4-27):
1. Detach the LCD wire harness from connector CN1 on the top left side of 
the inverter board
2. Remove the four 6-mm screws from the sides of the mounting brackets.
3. Remove the brackets from the LCD panel.
To remove the 13.3-inch LCD panel from the carrier tray, follow these steps:
1. Remove any Kapton tape covering the CCFL cable.
2. Gently pull the cable out of its connector.
3. Remove any Kapton tape from the LCD wire harness.
4. Disconnect the LCD wire harness from the LCD panel.
5. Lift the LCD panel out of the carrier tray.
6-mm 
screws (4)
carrier tray
LCD 
brackets (2)
LCD wire harness
CCFL cable LCD panel 
						

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This section provides the removal procedure for the LCD panel, LCD brackets, 
and carrier tray for the 14.1-inch display assembly.

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This procedure assumes that you have removed the front bezel. Follow these 
steps to remove the 14.1-inch LCD panel (see Figure 4-28):
1. Remove the eight 6-mm screws that secure the left and right LCD brackets 
to the front plastic cover.
2. Detach the CCFL cable from connector CN2 on the right side of inverter 
board.
3. Carefully remove the grounding tape between the inverter board and LCD 
panel.
4. Remove the 3-mm screw securing the inverter board, and unsnap the 
inverter board from the back cover.
5. Lift the LCD panel, LCD brackets, and inverter board as one unit out of the 
back cover.
Rotate upward from the bottom of the panel because the top slides 
nderneath the plastic hooks.
6-mm screws (8)
inverter board
back cover
LCD panel
LCD wire harnessCCFL cable
hinges (2)
inverter board 
shieldLCD brackets (2) 
3-mm screw
interposer 
board
4-mm 
screws (4)
carrier tray 
						

							Removing and Replacing Parts 4-43
6. Remove the hinges, which were previously held in place by pressure and 
screws.
To remove the LCD brackets from the LCD panel, follow these steps:
1. Remove the four 4-mm screws from the sides of the LCD brackets.
2. Remove the brackets from the LCD panel.
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To remove the LCD panel from the carrier tray, follow these steps:
1. Lift the inverter board shield, pull it slightly away from the panel to expose 
the cabling, and detach the LCD wire harness from connector CN1 on the 
inverter board.
2. Remove any Kapton tape covering the CCFL cable on the back of the LCD.
3. Gently pull the interposer board off the connector to the LCD panel.
4. Lift the LCD panel up and remove any tape between the LCD wire harness 
and the carrier tray.
5. Disconnect the LCD wire harness from the LCD panel.
6. Lift the LCD panel out of the carrier tray.
7. Disconnect the LCD wire harness from the LCD panel. 
						

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This section describes how to remove the palmrest assembly. The palmrest 
assembly consists of the following components (see Figure 4-16):
‡MPEG-2 card
‡IR board
‡Hard-disk drive heat shield
‡Touch pad assembly
‡Speakers 
						

							Removing and Replacing Parts 4-45
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This section provides the removal procedure for the MPEG-2 card, if present.
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To remove the MPEG-2 card, follow these steps (see Figure 4-29):
1. Gently pull the carrier tray off of connector JP19 on the system board. Do 
not rock the card to remove it, because this may damage the connectors. 
2. Remove the carrier tray by sliding it toward the back of the computer
3. Remove the MPEG-2 card from the carrier tray.
carrier tray
(MPEG-2 card inside) 
						

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This section provides the removal procedure for the palmrest assembly.
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This procedure assumes that you have removed the keyboard, thermal shield, 
and display assembly. To remove the palmrest assembly, follow these steps 
(see Figure 4-30):
1. Turn the unit over and place it face down.
2. Remove the two 4-mm screws from the top inside of the combo bay.
3. Remove the two 4-mm screws from the top inside of the battery bay.
4. Remove the two 4-mm screws from the top inside of the hard-disk drive 
bay.
palmrest
assembly
6-mm 
screws (4)
base 
assembly
4-mm 
screws (6)
LED cable
speaker wire harness
and grounding strap
LED connector connector 
for speaker 
wire 
harness
DC-DC board washer
4-mm screw
combo bay
hard-disk
drive baybattery bay