Acer Extensa 670 Service Guide

6-2Field Service 6.2.3 Handling the Computer Battery Pack
The battery pack furnished with the computer requires reasonable care and handling to ensure
efficient operation and maximum life. Periodically inspect the battery terminals and the batteries for
evidence of corrosion and oxide build-up; clean if necessary.
To ensure that the battery packs endure normal life cycle, always observe the following precautions
when handling the battery packs:
· Do not drop the battery pack or subject it to excessive...

Service Guide6-3 6.5. FRU Removal/Replacement Procedures
The following paragraphs contain field service-level removal/replacement procedures for the 67x
Series Notebook Computers.
Most FRU removal/replacement procedures involve connecting and disconnecting cable connectors.
The Extensa series uses two types of connectors including:
· Locking-type connectors - use a plastic stick to unlock and lock these type of connectors as
shown in Figure 6-1.
· Non-locking connectorsFigure 6-1Removing/Installing...

6-4Field Service 6.5.1 Removing/Replacing the Notebook Battery Pack
Before performing any of the assembly/disassembly procedures, always disconnect the AC adapter
from the notebook and remove the battery pack. The procedure for removing and replacing the
battery pack is as follows:
1.Turn off the computer and disconnect the AC adapter from the computer.
2.Unlatch the battery compartment door (right front corner of the unit) as shown in Figure 6-2.
3.Slide the battery compartment door out slightly and...

Service Guide6-5 6.5.2 Removing/Replacing PCMCIA Options
The procedure for removing and replacing the PCMCIA options is as follows:
1.Turn off the computer and remove the battery pack as described in Paragraph 6.5.1.
2.Press the upper card eject button to eject the upper card, lower button controls the lower card
and use both buttons for Type III devices.
3.To replace the PCMCIA device, remove any filler cards present and insert the device. Reinstall
any external cabling required for the device.Figure...

6-6Field Service 6.5.3 Removing/Replacing the Hard Disk Drive Assembly
The procedure for removing and replacing the Hard Disk Drive assembly is as follows:
1. Power down the notebook,  disconnect the AC adapter, if installed, and remove the battery
pack as described in Paragraph 6.5.1.
2.Disconnect any peripheral device interface cables from the external interface connectors and
remove any installed PCMCIA options.
3. Turn the computer over and locate the release tab for the hard disk drive bay cover...

Service Guide6-7 6.5.4 Removing/Replacing the Keyboard Assembly
The procedure for removing and replacing the keyboard assembly is as follows:
1.Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the
battery pack as described in Paragraph 6.5.1.
2.Press the Cover Release Latch and open the notebook to a full 180 degree position as shown
in Figure 6-6.
3.Slide each of the two display hinge covers out and pull upward to remove from the notebook.Figure 6-6Removing the...

6-8Field Service 6.5.5 Removing/Replacing Expansion Memory
To remove and replace an expansion memory module (soDIMM), perform the following procedure:
1.Power down the notebook, disconnect the AC adapter, and any installed battery packs.
2.Disconnect any peripheral device interface cables from the external interface connectors and
remove any installed PCMCIA options.
3.Turn the notebook over and locate the Expansion Memory Access Cover on the bottom of the
notebook.
4.Remove the screw holding the...

Service Guide6-9 6.5.6 Removing the Heat Sink Assembly
Use the following procedure to remove and replace the Heat Sink Assembly:
1.Remove the Keyboard Assembly as described in Paragraph 6.5.4.
2.Remove the two screws that secure the heat plate to the housing as shown in Figure 6-9.
3.Replacement is the reverse of Steps 1 and 2.Figure 6-9Removing/Replacing the Heat Sink Assembly 

6-10Field Service 6.5.7 Removing/Replacing the CPU Chip
The CPU chip is installed in a Zero Insertion Force type socket to facilitate removal and
replacement. To remove the CPU, refer to Figure 6-10 and use the following procedure:
1.Power down the notebook, remove the battery packs, and disconnect the AC Adapter, and
remove the Heat Sink Assembly as described in Paragraph 6.5.7.
2.Refer to Figure 6-10. Insert a flat-blade screwdriver into the opening at the left end of the
socket labeled OPEN and push...

Service Guide6-11 6.5.8 FDD/CD-ROM Drive Removal
1.Remove the battery and AC adapter as described in Paragraph 6.5.1.
2.Unlatch the module by pushing the Module Lock (Figure 6-11) toward the unlock icon.
3.Grasp the recessed grip area on the module and pull the module straight out.
4.Reinstall the module by reversing Step 3.Figure 6-11Removing/Replacing a Module