Acer Aspire 5940g Service Guide

Chapter 3121
Replacing the Launch Board
1.Feed the FFC through the penetration in the Upper Cover as shown.
2. Place the Launch Board into the Upper Cover.
3. Press down on the top of the board toengage the securing clips (1) and push the Launch Board in the direction 
of the arrow (2) to lock the board in place.
1
2
Securing Clip 

122Chapter 3
4.Turn the Upper Cover over and insert the Launch Board cover into the Upper Cover.
5. Turn the Upper Cover over and adhere the Launch Board FFC to the upper cover. 

Chapter 3123
Replacing the Media Board
1.Insert  the FFC into the penetration in the the Upper Cover (1) and place the Media Board into the Upper Cover 
(2) as shown.
2. Press down on the board so the securing clips engage an d push the Media Board in the direction of the arrow 
(2).
3. Turn the Upper Cover over. Insert the Media Board cover into the Upper Cover as shown; a click indicates the 
securing clips have engaged.
2
1
1
2
Securing Clip 

124Chapter 3
4.Turn the Upper Cover over and adhere t he Media Board FFC to the upper cover.
Replacing the Upper Cover
1.Insert the Upper Cover into the assembly back edge first as shown.
2. Work along the casing on the right and left sides toward the front edge, pressing the casing together. A click 
indicates the securing clips have engaged. 

Chapter 3125
3.Starting on the front left side of the casing and work ing along toward the right, press the upper and lower 
covers together as shown. A click indicates the securing clips have engaged.
4. Connect the following FFCs (A, B, D, and E) and cables (C, F, and G) to the Mainboard.
NOTE:  Avoid pulling on cables directly to  prevent damage to the connectors.
NOTE:  Use the pull-tabs on FFC cables whenever available to prevent damage.
A
B
CD
E
F
G 

126Chapter 3
5.Replace the Keyboard Cover and insert the single screw securing the Keyboard Cover to the Upper Cover. .
6. Turn the computer over. Connect the Launch Board FFC connector and lock the FFC connector.
StepSizeQuantityScrew Type
Keyboard Cover M2.5*5 1 

Chapter 3127
7.Turn the computer over. Insert the  twenty-three screws on the bottom panel.
 
StepSizeQuantityScrew Type
Upper Cover
(red callout) M2.5*8
18
Upper Cover
(blue callout) M2.5*5
2
Upper Cover
(green callout) M2.5*3
3 

128Chapter 3
Replacing the Keyboard
8.Insert the Keyboard backlight FFC and lock the connector.
9. Connect the Keyboard FFC and lock the connector.
10. Slide the keyboard away from the LCD screen to engage the securing tabs on the keyboard. 

Chapter 3129
11 .Press down around the edges of the Keyboard to secure it in place.
Replacing the WLAN Module
1.Insert the WLAN Module into the mini-card socket. 
2. Connect the antenna cables to the WLAN Module. 
IMPORTANT:  The black cable attaches to the  MAIN terminal and the white cable attaches to the  AUX terminal. 

130Chapter 3
3.Replace the Mini-Card Bracket as shown.
4. Insert the two screws to secure the Mini-C ard Bracket and WLAN Module to the Mainboard
StepSizeQuantityScrew Type
WLAN Module M2*3 2