Acer Extensa 650 Maintenance Manual

							Field Service    6-17
4.Installation is the reverse of Steps 1 through 3.
Figure 6-14  Removing the Display Hinge Screws
6.5.10   Removing/Replacing the Top Cover
Use the following procedure to detach the top cover from the Base Assembly:
1.Separate the Display Assembly from the Base Assembly as described in 
Paragraph 6.5.9.
2.Remove the two screws that secure the heat sink to the base assembly.
3.Remove the two screws on the top and ten screws on the bottom that hold 
the top cover in place; unsnap and remove the top cover (refer to Figure 6-15).
Remove four screws securing
display assembly to the 
base assembly 
						

							6-18   Field Service 
4.Replacement of the top cover is the reverse of Steps 1 through 3.
Figure 6-15  Removing/Replacing the Top Cover 
6.5.11 Removing/Replacing the Fan Assembly
6.5.11.1  (60x Series)
To remove and replace the fan assembly,  perform the following procedure:
1.   Remove the Top Cover Assembly as described in Paragraph 6.5.10.
2.   Remove the single screw holding the fan assembly in place and unplug the      
fan cable as shown in Figure 6-16.
3.    Remove the Fan Assembly.
Unsnap and remove
the top cover Remove two screws
near display hinge screw
holes
Remove 10 screws 
from bottom of unit 
(2 circled screws are shorter)
1.
2.
3.
Note: The 65x Series
Notebooks contain 9 screws
(3 are shorter than the rest) 
						

							Field Service    6-19
4.   Replacement is the reverse of Steps 1 through 3.
Figure 6-16  Removing/Replacing the Fan Assembly (60x Series)
6.5.11.2 Removing Fan Assembly (65x Series)
To remove and replace the fan assembly on the 65x Series notebook, perform the 
following procedure:
1.   Remove the Top Cover Assembly as described in Paragraph 6.5.10.
2.   Remove the two screws that secure the cover plate to the FIR/Audio Board.
3.   Remove the two screws holding the fan assembly in place and unplug the      
fan cable connector from the FIR/Audio Board. 
						

							6-20   Field Service 
4.    Remove the Fan Assembly.
5.   Replacement is the reverse of Steps 1 through 4.
Figure 6-17 Internal PWB Assemblies, Removal/Replacement (65x Series)
6.5.12 Removing/Replacing the LED Board (65x Series)
1.Remove the Top Cover Assembly as described in Paragraph 6.5.10.
2.   Disconnect the LED cable from the Main Board (refer to Figure 6-17).
3.Remove the screw holding the LED Board and remove the LED Board 
Assembly.
4.    Replacement is the reverse of Steps 1 through 3.
FIR/Audio
Cover Battery Board
Cable
LED Board 
Cable
Fan
Assembly
Battery
Board
LED Board
Assembly 
						

							Field Service    6-21
6.5.13 Removing/Replacing the Battery Board (65x Series)
1.Remove the Top Cover Assembly as described in Paragraph 6.5.10.
2.   Disconnect the Battery Board Cable from the Main Board (refer to
 Figure 6-17).
3.Remove the two screws holding the Battery Board and remove the Battery 
Board Assembly.
4.    Replacement is the reverse of Steps 1 through 3.
6.5.14 Removing/Replacing Inside Frame Assy. (60x Series)
Use the following procedure to separate the inside frame assembly from the base 
assembly:
1.    Remove the Top Cover and Fan Assemblies  as described in Paragraphs 6.5.10 
and 6.5.11 respectively.
2.    Separate the inside frame assembly from the base assembly as shown in 
Figure 6-18.
3.    Replacement is the reverse of Steps 1 and 2.
Figure 6-18  Detaching Base Assembly from Inside Frame Assembly
6.5.15 Removing/Replacing Inside Frame Assy (65x Series)
Use the following procedure to separate the inside frame assembly from the base 
assembly on a 65x Series Notebook Computer:
1.    Remove the Top Cover and Fan Assemblies  as described in Paragraphs 6.5.10 
and 6.5.11 respectively. 
						

							6-22   Field Service 
2.    Separate the inside frame assembly from the base assembly as shown in 
Figure 6-19.
Figure 6-19  Removing/Replacing the Inside Frame Assembly (65x Series)
6.5.16 Removing/Replacing the Power Supply Board
Use the following procedure to remove/replace the Motherboard Assembly:
Remove three screws
that secure inside frame
assembly to base assembly.
Separate the inside 
frame assembly from 
the base assembly. 
						

							Field Service    6-23
1.    Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10 
and 6.5.11 respectively.
2.    Separate the inside frame assembly from the base assembly as shown in 
Figure 6-19.
3.     Turn the unit over and remove the screw holding the Power Supply Board to 
the inside of the Frame Assembly (Figure 6-20). Remove the Power Supply 
Board.
4.     To reinstall the Power Supply Board, reverse the removal procedure.
Figure 6-20  Removing/Replacing the Power Supply Board Assembly
6.5.17 Removing/Replacing the Motherboard Assembly
6.5.17.1 60x Series Motherboard Assembly
Use the following procedure to remove/replace the Motherboard Assembly in a 60x 
Series Notebook:
1.    Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10  
						

							6-24   Field Service 
and 6.5.11 respectively.
2.    Separate the inside frame assembly from the base assembly.
3.    Refer to Figure 6-21 and remove the following connectors:
—Battery Connector Board Cable J21
—Speaker Cables J12 and J13
—Cover Closed Switch Cable J14
Figure 6-21  Unplugging Cables on 60x Series Motherboard
4.    Refer to Paragraph 6.5.13 and remove the Power Supply Board Assembly.
5.    Remove the four screws that secure the motherboard to the inside assembly 
frame. Pull up on the Motherboard Assembly to release it from the inside 
assembly frame (refer to Figure 6-22).
J21J12
J13
J14 
						

							Field Service    6-25
Figure 6-22  Detaching Motherboard from Inside Frame Assembly
6.5.17.2 Removing/Replacing Motherboard on 65x Series
Use the following procedure to remove/replace the Motherboard Assembly in a 65x 
Series Notebook:
1.    Remove the Top Cover and Fan Assemblies as described in Paragraphs 6.5.10 
and 6.5.11 respectively.
2.    Remove the FIR/Audio Board as described in Paragraph 6.6.15. 
						

							6-26   Field Service 
4.    Refer to Paragraph 6.5.13 and remove the Power Supply Board Assembly.
5.    Remove the five screws that secure the motherboard to the inside assembly 
frame. Pull up on the Motherboard Assembly to release it from the inside 
assembly frame (refer to Figure 6-23).
Figure 6-23  Detaching Motherboard from Inside Frame Assembly
6.5.18 Removing/Replacing FIR/Audio Board (65x Series)
Use the following procedure to remove/replace the FIR/Audio Board Assembly:
1.    Separate the Inside Frame Assembly from the Base Assembly as described 
in Paragraph 6.5.10.
2.    Separate the inside frame assembly from the base assembly.
3.    Refer to Figure 6-24 and remove the following connectors: