Acer 522 User Manual

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3.Install 3G and WLAN antenna cables (B) to lower cover guides. (Figure 3-38)

4.Flip computer over onto LCD Module cover. (Figure 3-37)

5.Install 3G and WLAN antenna cables to lower cover guides (A).

6.Install mainboard.

ID

Size

Quantity

Image

C

M2x4 Ni

2

 

 

 

 

 

Machine Maintenance Procedures

3-39

LCD Bezel Removal

Prerequisite:

LCD (Liquid Crystal Display) Module Removal

B

B

A A

Figure 3-41.LCD Module Overview with Bezel

1.Remove the two (2) screw caps and two (2) screws (A) from the module. (Figure 3-41)

2.Starting from the bottom-centerof the bezel, remove bezel from LCD cover latches. Move along edge until bezel is completely removed.(Figure 3-42)

Figure 3-42.LCD Module Bezel without Screws

3-40

Machine Maintenance Procedures

LCD Bezel Installation

1. Locate bezel hinges covers (B) on LCD cover (Figure 3-41).

NOTE:NOTE:

Make sure LCD cables pass through hinge wells and are not trapped by bezel.

2.Secure hinge covers to LCD module cover hinge wells.

3.Starting from bottom-centerof bezel, secure bezel to LCD cover latches. Move along edge until bezel is completely secured. (Figure 3-42)

4.Install and secure two (2) screws (A) and mylar covers to bezel. (Figure 3-41)

5.Install LCD Module.

ID

Size

Quantity

Image

C

M2x4 Ni

2

 

 

 

 

 

Machine Maintenance Procedures

3-41

CCD (Charge-CoupledDevice) Module Removal

Prerequisite:

LCD Bezel Removal

1. Locate CCD module (A) on LCD module cover. (Figure 3-43)

CC

A

B

CC

D

D

 

E

Figure 3-43.LCD Module Overview without Bezel

2. Remove module cable (F) from module connector (G). (Figure 3-44)

H

F

G

 

Figure 3-44.CCD Module with Cable

3. Remove module (H) from adhesive strip on LCD cover.

CCD (Charge-CoupledDevice) Module Installation

1.Install and secure module (H) to LCD module cover (Figure 3-44).

2.Install module cable (F) to module connector (G).

3.Install LCD Bezel.

3-42

Machine Maintenance Procedures

LCD Panel Removal

Prerequisite:

CCD (Charge-Coupled Device) Module Removal

1.Locate LCD panel (B) on module cover. (Figure 3-43)

2.Remove four (4) screws (C) from module cover.

3.Lift adhesive foil tabs (E) covering LVDS cable.

4.Remove panel from module cover.

5.Turn panel over and place face down on a clean surface (Figure 3-45).

F

H

J

G

Figure 3-45.LCD Panel with LVDS Cable

6.Remove CCD module cable (F) from panel.

7.Pull back transparent adhesive protector (J) securing LVDS cable (G) to panel.

8.Disconnect LVDS cable (G) from panel connector (H).

9.Remove LVDS cable (G) from panel.

Machine Maintenance Procedures

3-43

LCD Panel Installation

1.Install and connect LVDS cable (G) to panel connector (H). (Figure 3-45).

2.Secure transparent adhesive protector (J) to LVDS cable (G) and panel.

3.Install and secure CCD module cable (F) to panel.

4.Install LCD panel to LCD module cover. (Figure 3-43)

5.Secure adhesive foil tabs (E) securing LVDS cable to module cover.

6.Install and secure four (4) screws (C) to module cover.

7.Install CCD module.

ID

Size

Quantity

Image

C

M2x3

4

 

 

 

 

 

3-44

Machine Maintenance Procedures

LCD Panel Brackets Removal

Prerequisite:

LCD Panel Removal

1. Remove four (4) screws (A) from panel. (Figure 3-46)

AA

AA

B

B

Figure 3-46.LCD Brackets Module

2. Remove brackets (B) from panel.

LCD Panel Brackets Installation

1.Install brackets (B) on panel (Figure 3-46).

2.Install and secure four (4) screws (A) to panel.

3.Install LCD panel.

ID

Size

Quantity

Image

A

M2x2.5

4

 

 

 

 

 

Machine Maintenance Procedures

3-45

3G and WLAN Antenna Removal

Prerequisite:

LCD Panel Removal

1. Lift foil tabs (A) covering left 3G and WLAN antennas (B). (Figure 3-47)

B

D

C

E

A

D

B

C

E

A

 

Figure 3-47.LCD Module Cover without Panel

2.Remove left 3G and WLAN antennas (B) from cable guides.

3.Remove EMI (Electromagnetic interference) foam (D) and left 3G mylar and aluminium foil

(C) from LCD module cover.

4.Remove left WLAN antenna mylar (E) from LCD module cover.

5.Repeat steps 1 to 4 for right 3G and WLAN antennas (B).

WLAN and 3G Antenna Installation

1.Install left WLAN antenna mylar (E) to LCD module cover. (Figure 3-47)

2.Install and secure left 3G mylar and aluminium foil (C) and EMI (Electromagnetic interference) foam (D) to LCD module cover.

3.Install left 3G and WLAN antenna cables (B) in cable guides.

4.Secure foil tabs (A) covering left 3G and WLAN antennas (B) to LCD module cover.

5.Repeat steps 1 to 4 for right 3G and WLAN antennas (B).

6.Install LCD panel.

3-46

Machine Maintenance Procedures

Microphone Module Removal

Prerequisite:

LCD Panel Removal

1.Locate module (A) on LCD module cover. (Figure 3-48)

2.Lift foil tabs (C) covering module cable (B).

A

C

B

C

Figure 3-48.LCD Module Cover with Microphone Module

3. Remove module (A) and cable (B) from LCD module cover.

Microphone Module Installation

1.Install module (A) and module cable (B) on LCD module cover. (Figure 3-48)

2.Secure foil tabs (C) covering module cable (B) to LCD module cover.

3.Install LCD panel.

Machine Maintenance Procedures

3-47

3-48

Machine Maintenance Procedures