Acer Extensa 650 Maintenance Manual

							Field Service    6-27
—Left Speaker Cable J4
—Internal Microphone Cable J5
—Right Speaker Cable J7
Figure 6-24 Unplugging Cables on Motherboard (65x Series)
4.    Remove the two screws that secure the FIR/Audio Board to the Motherboard 
and remove the cover plate (refer to Figure 6-24).
5.    Pull up and remove the FIR/Audio Board (Figure 6-25).
6.    Replacement is the reverse of Steps 1 through 5.
Shorter 
Screw 
						

							6-28   Field Service 
.
Figure 6-24 Removing/Replacing the FIR/Audio Board 
						

							Field Service    6-29
6.5.19 Removing/Replacing the VGA Video Board (60X Only)
Use the following procedure to remove/replace the Motherboard Assembly:
1.    Remove the Motherboard Assembly as described in Paragraph 6.5.17.
2.    Remove the two screws securing the Video Board to the Motherboard and 
remove the Video Board (refer to Figure 6-26).
3.    Replacement is the reverse of Steps 1 and  2.
.
Figure 6-26  Removing/Replacing the VGA Video Board
6.5.20 Removing/Replacing the PCMCIA Connector Module
Use the following procedure to remove/replace the PCMCIA Connector Module:
1.    Remove the Motherboard Assembly as described in Paragraph 6.5.17.
2.    Remove the Video Board Paragraph 6.5.19)
3.    Remove the four screws securing the PCMCIA Module to the Motherboard 
Assembly (refer to Figure 6-27). 
						

							6-30   Field Service 
4.    Replacement is the reverse of Steps 1 through 3.
Figure 6-26  Removing/Replacing the PCMCIA Module
6.5.21 Removing/Replacing the Touchpad Assembly
Use the following procedure to remove/replace the Touchpad Assembly:
1.    Remove the Keyboard Assembly as described in Paragraph 6.5.4.
2.    Remove the Top Cover Assembly as described in Paragraph 6.5.11.
3.    Refer to Figure 6-28;  remove the center screw and disconnect the Touchpad 
cable J1.
4.    Remove the Touchpad main sensor and connector unit.
5.    Remove the two side screws and remove the metal plate. 
						

							Field Service    6-31
6.    Lift up and remove the Touchpad buttons.
7.    Lift up and remove the Touchpad.
8.    Replacement is essentially the reverse of Steps 1 through 7.
Figure 6-28  Removing/Replacing the Touchpad Assembly
Caution:  If the notebook is powered up with the LCD bezel removed, you 
can be exposed to high voltages which could result in shock and equip-
ment damage.  Ensure that the batteries and AC adapter are removed from 
the notebook when working on the LCD/Display assembly.
6.5.22 Removing/Replacing the Display Bezel
To remove/replace the Display Bezel, use the following the procedure;
Remove  1 screw
and disconnect J1Remove two side screws
and remove metal plate
Lift up and remove
touchpad buttonsLift up and remove
Touchpad 
						

							6-32   Field Service 
1.    Remove the AC adapter and Battery Pack as described in Paragraph 6.5.1.
2.    Remove the round LCD bumpers at the top of the display (refer to Figure 6-29).
3.    Remove the left and right screws near the display hinges (note that the screw 
covers are not identical).
4.    Remove four screws on the Display Bezel (Figure 6-29).
5.    Pull out and remove the Display Bezel.
Figure 6-29  Display Unit Disassembly
123
456
7
Removing the Display Cable
AssemblyRemoving the 
Inverter Boards Removing
LCD Screws Removing Hinge
Cable CoverRemoving the 
Bezel RemovingScrews
and BumpersRemoving Bezel
Screws 
						

							6-33   Field Service 
6.5.23 Removing/Replacing the Display Inverter Boards
To remove/replace the DC-AC Inverter (large PWB) or the DC-DC Inverter Board (smaller 
PWB), use the following the procedure;
1.    Remove the Display Bezel as described in Paragraph 6.5.22.
2.    Gently fold back the foil around the LCD and unplug Inverter Cable CN2 (refer 
to Figure 6-29).
3.    Remove the screws that secure the two Inverter Boards to the display back 
cover and remove the boards.
4.    Replacement is essentially the reverse of Steps 1 through 3.
6.5.24 Removing/Replacing the LCD Panel
To remove/replace the LCD Panel, use the following the procedure;
1.    Remove the Display Bezel as described in Paragraph 6.5.22.
2.    Slide out and remove the Hinge Cable Cover (Figure 6-29).
3.    Remove four screws on the four sides of the LCD panel (Figure 6-29).
4.    Gently fold back the foil around the LCD and unplug Inverter Cable CN2.
5.    Remove the screws that secure the two Inverter Boards to the display back 
cover and remove the boards.
6.    Refer to Figure 6-29 and tilt the LCD panel away from the Display Cover.
7.    Unplug the LCD Panel from the Display Cable Assembly and remove the LCD 
Panel.
7.    Replacement is the reverse of Steps 1 through 7. 
						

							                                                                                        Model 60x Maintenance Data  A-1
A
Model 60x Maintenance Data
A.1 Introduction
This section contains model-dependent maintenance data for the Extensa Model 60x 
Series Notebook Computers. For information common to all members of the Extensa 
600 Series, refer to Sections 1 through 6 of this manual.
A.2 Model 60x Features Summary
The Extensa 60x Series Notebook Computers  has either a 10.4-inch VGA or 12.1-inch 
SVGA Display, comes standard with a 810 MB Hard Drive and is powered by a 120 
MHz Pentium processor. Refer to Section 1 for a more detailed description of Extensa 
600 Series features.
A.3 Field-Replaceable Units (FRUs)
Table A-1 lists and describes the various FRUs for the Extensa 60x Series. For FRU 
removal/replacement procedures, refer to Section 6 of this manual.
As shown in Figure A-1, all members of the Extensa 60x Series Notebook Computers 
contain two major assemblies:
¨ System Base Assembly
¨ Cover-Display Assembly 
						

							A-2   Model 60x Maintenance Data
Figure  A-1  Extensa 600  Series Assemblies
A.3.1 Cover-Display Assembly
The Cover -Display Assembly shown in Figure A-2, contains the LCD screen, DC-AC 
Inverter Board, DC-DC Inverter Board,  bezel LCD cover and various other components 
as listed in Table A-1.
Display Assembly
Base Assembly