Acer Extensa 670 Service Guide

Service Guide2-7 2.5.3 Installing an External Serial Port Device
The notebook contains an external RS-232 serial port with a 9-pin, male DB-9 connector as shown
in Figure 2-5 (25-pin cables require the use of an adapter for use with the 9-pin port). The serial
ports are used to interconnect such devices as:
· External Modem
· Serial Mouse
· Serial Printer
· Any device that uses an RS-232 interface
Caution:Never connect a parallel device to a serial port or a serial device to a parallel port or video...

2-8Installation 2.5.4 Installing an External VGA Monitor
The notebook contains an external CRT port that can drive one of  a variety of monitor resolutions
and colors as summarized in Table 1-9. The associated connector location and pinouts are shown in
Figure 2-6.Figure 2-6External VGA Pinouts
Use the following procedure to install an external monitor:
1.Turn off power to both the notebook and monitor.
2.Connect the 15-pin external VGA cable from the monitor to the VGA connector on the notebook
computer...

Service Guide2-9 2.5.5 Installing the Security Lock Option
Use the following procedure to install the optional Kensington®
 security lock.
1.Unpack the Kensington Lock Kit.
2.Secure the loop end of the lock to a permanent fixture located such that the notebook can be
installed in a desired location.
3.Insert the lock into the slot on the left side of the computer.
4.Rotate the key to its locked position and remove the key.
This completes the options installation subsection. 

2-10Installation 2.6. Battery Pack Installation
First turn off the computer and disconnect the AC adapter if attached to the computer; then follow
these steps:
1.Unlatch the battery compartment door (right front corner of the unit) as shown in Figure 2-7.
2.Slide the battery compartment door out slightly and then swing the door outward as shown in
Figure 2-7.
3.If changing batteries, grasp the loop attached to the battery and pull the battery out of the
compartment.
4.Look for label THIS SIDE UP and...

Service Guide2-11 2.7. Installing the AC Power Adapter
Use the following procedures to connect the AC adapter to the system:
Caution:Use only the AC adapter supplied with the computer; other adapters can damage the unit.
1.Remove the AC adapter from the packaging.  Connect the round coaxial connector supplied
with the notebook to the DC IN power receptacle on the left rear of the notebook as shown in
Figure 2-8 (a).
2.Connect the female side of the AC power cord to the AC adapter (b) and connect the male...

2-12Installation 2.8. Initial System Checkout
After youve installed all internal options and external cabling, youre ready for system checkout and
software configuration.
To check out the system, press the power button on the left side of the notebook which initiates self
test. During self test execution, the computer checks the operation of all key hardware including
memory and CPU (and displays copyright and version number data during test execution).
Upon successful conclusion of self test, the...

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Operating Instructions
Service Guide3-1
3.1. Introduction
This chapter contains a summary of notebook operating procedures useful for maintenance
operations. For additional detail, refer to the Extensa Series Notebook Computer Users Guide
supplied with the notebook.
3.2. Controls/Indicators
The operating controls and indicators for the 67x Series Notebooks are identical (refer to Figure 3-
1). A brief description of the controls and indicators is provided in the following paragraphs....

3-2 Operating Instructions
Indicator Light Description
Power/Battery-low Lights when the system is on and there is power to the system.
Flashes when the battery power is low.  Connect a powered AC adapter to the
computer as soon as possible.
Standby Mode Lights when the computer is in Standby mode.
Flashes when the computer is in 5V Suspend mode.
The computer enters Standby mode if the Standby hot key (Fn+F4) is pressed
or the STANDBY TIMEOUT parameter in Setup is enabled and expires.
The computer enters...

Service Guide3-3 Table 3-2 Summary of Notebook Hot Key Sequences
Function Key Sequence
Sets the notebook to echo keystrokes to the printer; prints a line
when you press Enter; continues until you press Ctrl-PCtrl-P
Enable/disable the internal keypad Fn-T
Toggle Scroll Lock function on/off Fn-F6
Bring up the setup screen anytime Fn-F1 or Ctrl-Alt-F1
Warm boot Ctrl-Alt-Del
Start Windows logo key
Activate next taskbar button Windows logo key-Tab
Explore the computer Windows logo key-E
Find files Windows...

C h a p t e r     4 C h a p t e r     4
Theory of OperationService Guide4-1 4.1. Introduction
This chapter contains a general block diagram theory of operation description of the Extensa 67x
Series Notebook Computers.
Note:Various internal components may change on future models and busses/bus speeds are
subject to change.
4.2. Notebook Functional Overview
The Extensa 67x Series Notebook consist of:
· System Processor - implemented on the Motherboard Assembly
· Memory Subsystem - implemented on the...