Acer 522 User Manual
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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

CHAPTER 4

Troubleshooting

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Power On Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

No Display Issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5

LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8

Touchpad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9

Internal Speaker Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10

Microphone Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12

USB Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13

Wireless Function Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14

3G Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-15

Cosmetic Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16

Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17

Other Functions Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-18

Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19

Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19

Post Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20

4-2