Acer Extensa 570 Mantenance Manual

1.4Product Overview
All members of the Extensa 57x Series are high performance notebooks
powered by the PentiumÔ Processor and Windows 95 Operating System
software.
As a standard feature, all members of the Extensa 57x family also contain
the following features:
·100 MHz Pentium Processor with 16K Internal Cache Memory.
·8 MB of RAM memory standard, user-expandable to 40 MB (easy access
via door at bottom of notebook).
·256 KB L2 Cache.
·128 bytes of battery-backed up CMOS RAM.
·High performance PCI...

·AC Adapter with autosensing (100 VAC to 240 VAC, 50 to 60 Hz); 36
Watts of DC output power.
·8.4 Volt, 4200 mAH capacity, Nickel-Metal Hydride (NiMH) primary
battery pack.
·Provisions for secondary 10.8 Volt Lithium-Ion Battery Pack in Floppy
Drive cavity (if Floppy Drive or CD ROM Player not installed).
·Power management features for longer portable operation away from AC
power.
·Full range of external ports including: EPP/ECP Parallel Port, Serial
Port, External VGA Port, PS/2Ô
 Port, and Serial...

1.4.1External Ports
As shown in Figure 1-3, the notebook computer contains the following
external ports:
·Serial Infrared (SIR) Port for wireless connection with a similarly
equipped printer or computer
·9-Pin Serial Port for attaching any RS-232 type serial device to the
Notebook
·15-Pin External VGA Monitor Port for attaching an external monitor
·6-Pin PS/2 Port to attach an external Keyboard or Mouse
·Audio In/Out and External Microphone Input
·Expansion Bus Port for attaching an external expansion...

1.4.2Glidepad Pointing Device
All members of the Extensa 57x family feature a built-in glidepad pointing
device located near the center of the keyboard’s palmrest. With light finger
pressure, the cursor can quickly be positioned to the desired point; a quick
double tap on the glidepad and you have selected an object. Two select
buttons (switches) are located along the front edge of the notebook for use in
the traditional select/drag features of a mouse device.
.
1.4.3Keyboard
The Extensa 57x Series...

nNote:
 The Extensa Series Notebook Computer User’s Reference Manual con-
tains descriptions of keyboard special function keys.
1.4.3.1 Controls and Indicators
The Extensa 57x contains a Power Button and a Status LCD just above the
keyboard. All notebook functions (except the power On/Off function) are
controlled by keyboard keys in conjunction with the Fn
 key.
1.4.4 Standard Power Features
Notebook power for the Extensa 57x Series Notebook Computers is provided
by an AC Adapter and a rechargeable...

1.4.5Wireless Connection With Serial Infrared Port
The Extensa Series notebooks are equipped with a Serial Infrared (IR) port
that offers wireless communication with a variety of IRDAÔ compliant
devices made by other manufacturers.
n
Note
: Prior to communicating with an external device equipped with a serial
infrared interface, the appropriate third-party drivers must be installed on
your notebook.
1.4.6Preloaded Software
All members of the Extensa 57x Notebook family are preloaded with the
Windows 95...

1.5Standard Test Features
The Extensa Series Notebook Computers use modular design and built-in
test features to reduce the mean time to repair. A  power on self  test
program automatically verifies the operational state of the primary circuits.
Also, the notebook contains a powerful suite of diagnostic tests called
PC-Doctor, (described in detail in Appendix B) that can perform additional
levels of diagnostic testing.
1.6Notebook Assemblies and
Subassemblies
The Extensa Series Notebooks are modular in...

1.6.1Cover-Display Assembly
The Cover -Display Assembly contains the LCD screen and associated high
voltage power supply and video circuitry. The Cover -Display Assembly
contains several field-replaceable components including:
·LCD Assembly
·Inverter Board
·Bezel
·Hinge Covers
·Internal cables
Keyboard Assembly
Glidepad Assembly
IR/Sound BoardPower Supply Board
Display Cable Interface
Board
Main Board
Inverter Board
Display Assembly
Floppy
Drive/CD-ROM
BayStatus LCD
Assembly
Display Assembly
Figure 1-6...

1.6.2 System Base Assembly
As shown in Figure 1-6, the majority of the notebook’s field replaceable
units (FRUs) are located in the system base assembly. These FRUs include:
·Main Board Assembly
·Hard Disk Drive Assembly
·Up to two Dual Inline Memory Modules
·LCD Status Assembly 
·Floppy Drive Module
·IR/Sound Board Assembly
·Power Supply Board Assembly
·Battery Pack Assembly
·Top Case Assembly
·Glidepad Assembly
·Keyboard Assembly 
·CMOS Battery Assembly
·HDD Connector Board Assembly
1.7Extensa 57x...

Table 1-3 Extensa 57x Notebook Features
Specifications Models 570CD/575CDModels
570CDT/575CDT
Processor
Pentium 100 MHz Pentium 100 MHz
Memory
:
Standard:
8 MB 8 MB
Maximum: 
Cache:40 MB
256 KB L2 Cache40 MB
256 KB L2 Cache
Display
LCD Type:
11.3 inch, SVGA, Dual
Scan Color10.4 inch, SVGA, Dual
Scan Color/ Active
Matrix Color
Simultaneous
LCD/Ext. SVGAYe s Ye s
Video RAM Size:
1 MB 1 MB
Video Bus
PCI Bus with Graphics
AcceleratorPCI Bus with Graphics
Accelerator
Keyboard/Pointing
Device
Ergonomic...