Acer 522 User Manual
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8. Remove mainboard from lower cover by pulling away from left side.

Figure 3-32.Mainboard Connectors

NOTE:NOTE:

Connectors on left side of mainboard (i.e. USB) are set in lower cover slots. Do not force mainboard when removing.

Mainboard Installation

1.Install mainboard by sliding left side at a slight angle into slots on left side of lower cover. (Figure 3-32)

NOTE:NOTE:

Connectors on left side of mainboard (i.e. USB, etc.) are set in lower cover slots. Do not force mainboard when trying to install it.

2.Lower right side of mainboard until edge is flush with lower cover. (Figure 3-31)

3.Install and secure two (2) screws (N) to lower cover. (Figure 3-30)

4.Connect microphone cable (L) to mainboard connector (M). (Figure 3-29)

5.Connect speaker cable (J) to mainboard connector (K). (Figure 3-28)

6.Connect LVDS cable (G) to mainboard connector (H). (Figure 3-27)

7.Connect DC-INcable (E) to mainboard connector (F). (Figure 3-26)

8.Install function board.

 

ID

Size

Quantity

Image

 

 

D

M2x3 t=0.04

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine Maintenance Procedures

3-31

Thermal Module Removal

Prerequisite:

Mainboard Removal

1. Locate thermal module (A) on mainboard. (Figure 3-33)

B

C

A

B B

Figure 3-33.Thermal Module on Mainboard

2.Disconnect module cable (C) from mainboard connector.

3.Remove three (3) screws (B) from mainboard.

4.Remove thermal module (A) from mainboard.

3-32

Machine Maintenance Procedures

Thermal Module Installation

+ IMPORTANT:

Apply suitable thermal grease and ensure all heat pads are in place before replacing module.

! CAUTION:

Make sure thermal grease does not spill on mainboard because it may cause damage.

The following thermal grease types are approved for use:

Silmore GP50HoneywellJet Motor 7762

The following thermal pads are approved for use:

EapusXR-PE

1.Remove all traces of thermal grease from CPU using a lint-freecloth or cotton swab and Isopropyl Alcohol, Acetone, or other approved cleaning agent.

2.Apply small amount of thermal grease to center of CPU.

NOTE:NOTE:

Force used during installation of thermal module is sufficient to spread grease over CPU top.

Figure 3-34.Thermal Module Installation

3. Align module and heatsink to mainboard screw holes. (Figure 3-34)

NOTE:NOTE:

Keep module level to spread grease evenly.

Machine Maintenance Procedures

3-33

4.Install and secure three (3) screws (B) in numerical order from one (1) to three (3) to mainboard. (Figure 3-33)

5.Connect module cable (C) to mainboard connector.

6.Install mainboard.

ID

Size

Quantity

Image

B

M2x3 t=0.04

3

 

 

 

 

 

3-34

Machine Maintenance Procedures