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Display Assembly: Dell Latitude D520 Service Manual

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Display Assembly

Dell™ Latitude™ D520 Service Manual

  Removing the Display Assembly

  Display Bezel

  Display Panel

  Display Latch



Removing the Display Assembly

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
NOTICE: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the computer.
  1. Follow the instructions in Before Working Inside Your Computer.

  2. Remove the hinge cover (see Hinge Cover).

  3. Remove the keyboard (see Keyboard).

  4. Remove the captive screw that grounds the display cable.

  5. Disconnect the display cable from the display cable connector on the system board.

  6. Disconnect the three Mini-Card antenna cables (see Mini-Card).

  7. Disconnect the antenna cables from the display by holding the two gold antenna connectors on each connector and gently pulling them apart.

1

M2.5 x 5-mm screws (4)

2

display cable grounding-wire screw

3

display cable pull-tab

4

display connector on system board

5

antenna cable connectors (3)

 

 

  1. Remove the four M2.5 x 5-mm screws from the display and remove the display from the computer.

Replacing the Display Assembly

NOTICE: Ensure the antenna cables are not twisted and that they are lying flat in the antenna cable clip.
  1. Replace the four M2.5 x 5-mm screws that secure the display to the computer base.

  2. Connect the display cable to the system board.

  3. Connect the three antenna cables.

  4. Replace the keyboard.

  5. Replace the hinge cover.


Display Bezel

Removing the Display Bezel

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer.
NOTICE: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your Computer) before you begin working inside the computer.
  1. Follow the instructions in Before Working Inside Your Computer.

  2. Remove the display assembly (see Removing the Display Assembly).

  3. Remove the five rubber display bumpers.

  4. Remove the six M2 x 5-mm screws around the display bezel.

1

M2 x 5-mm screws(6)

2

rubber display bumpers (5)

3

display bezel

NOTICE: Removal of the bezel from the display back cover requires extreme care to avoid damage to the bezel.
  1. Starting at the edges of the bottom of the display panel, use your fingers to separate the bezel from the top cover by lifting the inside edge of the bezel away from the top cover.

Replacing the Display Bezel

  1. Starting at any corner, use your fingers to gently snap the bezel into place to secure it to the display panel.

  2. Replace the six M2 x 5-mm screws around the display bezel.

  3. Replace the five rubber display bumpers around the display bezel.


Display Panel

Removing the Display Panel

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
NOTICE: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your Computer) before you begin working inside the computer.
  1. Follow the instructions in Before Working Inside Your Computer.

  2. Remove the display assembly (see Removing the Display Assembly).

  3. Remove the display bezel (see Removing the Display Bezel).

  4. Remove the eight M2 x 5-mm screws in sequential order (four on each side of the display panel).

  5. Lift the display panel out of the display back cover.

1

display panel

2

M2 x 5-mm screws (8)

3

display back cover

  1. Use the pull-tab to disconnect the bottom flex-cable connector from the inverter connector.

1

pull-tab on bottom flex-cable connector

2

top flex-cable connector

3

display cable connector

4

inverter connector

 

 

 

 

Replacing the Display Panel

  1. Reconnect the top display-cable connector to the top flex-cable connector.

  2. Reconnect the bottom flex-cable connector to the inverter connector.

  3. Replace the display panel inside the display back cover.

NOTE: The eight screw locations are numbered. Replace the screws in sequential order.
  1. Replace the eight M2 x 5-mm screws (four on each side) in sequential order around the display panel.

  2. Replace the display bezel.


Display Latch

Removing the Display Latch

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.
NOTICE: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your Computer) before you begin working inside the computer.
  1. Follow the instructions in Before Working Inside Your Computer.

  2. Remove the display assembly (see Removing the Display Assembly).

  3. Remove the display bezel (see Removing the Display Bezel).

  4. Remove the display panel (see Display Panel).

NOTICE: A strip of copper foil may be present beneath the support bracket on some systems; ensure that you do not tear this foil while removing the bracket.
  1. Remove the M2 x 4-mm screw that secures the display support bracket to the top cover.

  2. Lift the display support bracket out of the top cover, and then remove the display latch.

1

M2 x 4-mm screw

2

display latch

3

display support bracket

Replacing the Display Latch

  1. Align the latch with the posts on the display back and set into place.

  2. Replace the support bracket and replace the M2 x 4-mm screw.


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