Acer Aspire 1350 Service Guide

							Chapter 123
NOTE: DC-AC inverter is used to generate very high AC voltage, the support to LCD CCFT backlight user, 
and is also responsible for the control of LCD brightness. Avoid touching the DC-AC inverter area while 
the system is turned on.
DC-AC LCD inverter
ItemSpecification
Vendor & model 
nameQuanta 3HYA1 IV0008
Input voltage (V) 8(min.) - 20(max.)
Input current (mA) - - 520(max.)
Output voltage 
(Vrms, no load)- 660(typ.) -
Output voltage 
frequency (kHz)55(min.) 56(typ.) 58(max.)
Output Current/Lamp lout(Min.) 3.0mA ± 0.5mA Vadj=0V
lout(Max.) 6.0mA ± 0.5mA Vadj=3.3V
LCD
ItemSpecification
Vendor & model 
nameQDI QD141X1LH03
Samsung LTN141X8L04
AU B141XN04LG LP150X2-A296
Sharp LP150X1 LH82
AU B150XN01
Mechanical Specifications
LCD display area 
(diagonal, inch)14.1 15.0
Display technology TFT TFT
Resolution XGA (1024X768) XGA (1024x768)
Supports colors 262K 262K
Optical Specification
Brightness control keyboard hotkey keyboard hotkey
Contrast control No No
Suspend/Standby 
controlYe s Ye s
Electrical Specification
Supply voltage for 
LCD display (V)3.3 3.3
Supply voltage for 
LCD backlight 
(Vrms)690 690
AC  A d a p t e r
ItemSpecification
Vendor & model name Li-Shin 90W 0202C1990 (WPFC) 3P
Lite-on 90W PA 1900-05QA (WPFC) 3P
Input Requirements
Maximum input current (A, 
@90Vac, full load)1.4A  @  100Vac
1.15A  @  180Vac
Nominal frequency (Hz) 47 - 63
Frequency variation range (Hz) 47 - 63
Nominal voltages (Vrms) 100 - 240 
						

							24Chapter 1
Inrush current The maximum inrush current will be less than 150Ap-p when the adapter is 
connected to 115Vac(60Hz) and 230Vac(50Hz) respectively.
Efficiency  It should provide an efficiency of 83% minimum, when measured at maximum 
load under 115V(60Hz).
Output Ratings
DC output voltage +18.0V ~ 20.0V including the effects of line voltage variation, load current, 
ripple and noise
Noise + Ripple  400mVp-p (20MHz bandwidth) for resistor load
Output current 0 ~ 4.74A
Input rated voltage 100 / 240V
Input current 1.5A @ 90Vac, 1.15A @ 180Vac
Dynamic Output Characteristics
Turn-on delay time 5 sec. (Max)
Hold up time 10ms min. (115 Vac, input full load)
Over Voltage Protection (OVP) 29 V
Short circuit protection Output can be shorted without damage
Electrostatic discharge (ESD) 15kV (at air discharge)
8kV (at contact discharge)
Dielectric Withstand Voltage
Primary to secondary 3000Vac (4242Vdc) 10mA for 1 second
Leakage current 100uA max (240Vac, 60Hz)
Regulatory Requirements Internal filter meets;
1. FCC class B requirements.
2. VDE 243/1991 class B requirements.
3. CISPR 22 Class B requirements.
3. VCCI class II requirements.
Power Management
Power Saving ModePhenomenon
Standby Mode
Waiting time specified by the System Standby value 
or the operating system elapses without any system 
activity.
Or
When the computer is about to enter Hibernation 
mode (e.g. during a battery-low condition), but the 
Hibernation file is invalid or not present.The Sleep indicator lights up
Hibernation Mode
When customized functions for power management 
are set to Hibernation and the corresponding action is 
taken.All power shuts off
Display Standby Mode
Keyboard, built-in touchpad, and an external PS/2 
pointing device are idle for a specified period.The display shuts off
Hard Disk Standby Mode
Hard disk is idle within a specified period of timeHard disk drive is in standby mode. (spindle turned-off)
AC  A d a p t e r
ItemSpecification 
						

							Chapter 125
Environmental Requirements
ItemSpecification
Temperature
Operating
0 ~ +35 
°C
Non-operating
-20 ~ +60 
°C (unpacked)
Non-operating Non (storage package)
Humidity
Operating 0% to 90% RH, non-condensing
Non-operating 20% to 90% RH, non-condensing (unpacked)
Non-operating Non (storage package)
Vibration
Operating (unpacked) 5 ~ 500Hz: 1.0Grms (random)
Non-operating (unpacked) 5 ~ 500Hz: 2.16Grms (random)
Non-operating (packed) 5 ~ 500Hz: 2.16Grms (random)
Mechanical Specification
ItemSpecification
Dimensions 334mm (W) * 286.5mm (D) * 42mm (Front) / 49mm (Rear)
Weight 3.6 kg (7.92 lbs) for 14.1” LCD with DVD module
3.72 kg (8.2 lbs) for 15.0” LCD with DVD/CD-RW combo module
I/O Ports One IEEE1394 port, One Microphone in jack, One Headphone jack, One 
Infrared port, One PCMCIA (Type II or Type III) slot, Four USB port, One RJ-11 
jack for modem, One RJ-45 jack for Ethernet, One S-video port, One VGA 
(external monitor) port, One Parallel port (ECP/EPP compliant), One DC-in jack 
for AC adapter
Drive Bays One
Material Plastic
Indicators Power Mode LED, Battery Charge, Caps Lock, Num Lock, Scroll Lock, FDD 
activity, HDD activity, ODD activity
Switch Power
I/O Address Map
I/O AddressFunction
0000-000F DMA controller
0020-0021 Programmable interrupt controller
0040-0043 System timer
0060, 0064 Keyboard controller NS PC87570 chip select
0061 System speaker
0062, 0066 ACPI-Compliant Embedded Controller
0070-0075 System CMOS/real time clock
0081-008F, 0092-0092 DMA controller
00A0-00A1 Programmable interrupt controller
00C0-00DF DMA controller
00F0-00FF Numeric data processor
0170-0177, 0376 2nd EIDE device (optical drive) select
01F0-01F7, 03F6 1st EIDE device (hard drive) select
0274-0277, 0279, 0A79 ISAPNP Read Data Port
02F8-02FF IrDA FIR 
						

							26Chapter 1
0378-037F, 0778-077F ECP Printer Port (LPT1)
03B0-03BB, 03C0-03DF Video Controller
03F0-03F5, 03F7 Standard Floppy Disk Controller
1000-10FF Ethernet Controller
1400-14FF Audio Controller
1800-18FF Modem
IRQ Assignment Map
Interrupt ChannelFunction(Hardware)
IRQ00 System timer
IRQ01 Keyboard
IRQ03 IrDA FIR
IRQ04 USB, VGA, LAN
IRQ05 IEEE 1394, CardBus, USB
IRQ06 Floppy
IRQ07 Parallel Port
IRQ08 CMOS/RTC
IRQ09 AC’97 Modem, Audio, USB
IRQ10 SCI
IRQ11 Enhance PCI to USB Host Controller
IRQ12 Alps pointing device
IRQ13 Numeric data processor
IRQ14 1st EIDE device (hard disk)
IRQ15 2nd EIDE device (optical drive)
DMA Channel Assignment
DMA ChannelFunction(Hardware)
DRQ0 Reserved
DRQ1 ECP Print Port
DRQ2 Floppy
DRQ3 IrDA FIR
DRQ4 DMA controller
DRQ5 Reserved
DRQ6 Reserved
DRQ7 Reserved
I/O Address Map
I/O AddressFunction 
						

							Chapter 227
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Your computer is already properly configured and optimized, and you do not need to run this utility. However, if 
you encounter configuration problems, you may need to run Setup.  Please also refer to Chapter 4 
Troubleshooting when problem arises.
To activate the BIOS Utility, press 
m during POST (when “Press  to enter Setup” message is prompted 
on the bottom of screen).
Press 
m to enter setup. Press  during POST to enter multi-boot menu. In this menu, user can change 
boot device without entering BIOS SETUP Utility.
System Utilities
Chapter  2 
						

							28Chapter 2
Navigating the BIOS Utility
There are six menu options: Info., Main, Advanced, Security, Boot, and Exit.
Follow these instructions:
TTo choose a menu, use the cursor left/right keys (zx).
TTo choose a parameter, use the cursor up/down keys ( wy).
TTo change the value of a parameter, press p or q.
TWhile the item has sub-items, press e to expand this item.
TPress ^ while you are in any of the menu options to go to the Exit menu.
TIn any menu, you can load default settings by pressing t. You can also press u to save any 
changes made and exit the BIOS Setup Utility.
NOTE: You can change the value of a parameter if it is enclosed in square brackets. Navigation keys for a 
particular menu are shown on the bottom of the screen. Help for parameters are found in the Item 
Specific Help part of the screen. Read this carefully when making changes to parameter values.
This menu provides you the information of the system. 
						

							Chapter 229
Information
ParameterDescription
CPU Type Displays the CPU type information.
CPU Speed Displays the CPU speed.
Diskette A Displays the floppy drive type informaiton.
HDD1 Model Name IDE device model name information will be retrieved automatically during system boot.
HDD1 Serial Number IDE device serial number information will be retrieved automatically during system boot.
ATAPI Device ATAPI device model name information will be retrieved automatically during system boot.
System BIOS Ver Displays the system BIOS version.
VGA BIOS Ver Displays the VGA BIOS version.
KBC Ver Displays the keyboard controller firmware version.
Serial Num Displays the system serial number.
Asset Tag Number N/A
Product Name Displays the product name.
Manufacture Name Displays the Acer company.
UUID Number Displays the UUID (Universal Unique IDentifier) string = 32 bytes. 
						

							30Chapter 2
Main
The Main screen displays a summary of your computer hardware information, and also includes basic setup 
parameters. It allows the user to specify standard IBM PC AT system parameters.
NOTE: The screen above is for reference only. Actual values may differ. 
						

							Chapter 231
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE: The sub-items under each device will not be shown if the device control is set to disable or auto. This is 
because the user is not allowed to control the settings in these cases.
ParameterDescriptionFormat/Option
System Time Sets the system time. Format: HH:MM:SS 
(hour:minute:second) System Time
System Date Sets the system date. Format: MM/DD/YYYY (month/day/
year)
System Date
System Memory This field reports the memory size of the system. 
The user can not change the memory setting. 
This is display-only field.
Memory size is fixed to 640 KB
Extended Memory This field reports the memory size of the 
extended memory in the system. The user can 
not change the memory setting. This is display-
only field.
Extended Memory size=Total memory size -1MB
Video Memory The total amounts of memory for VGA. The user 
can not change the memory setting. This is 
display-only field.
Quiet Boot Determines if Logo will be displayed or not; 
shows diagnostic screen is disabled or enabled. 
Enabled: Logo is displayed, and diagnostic 
screen is disabled.
Disabled: Logo is not displayed, and diagnostic 
screen is enabled. Option: 
Enabled or Disabled
Power on display Selects display device.
Auto: During power process, the system will 
detect if any display device is connected on 
external video port. If any external display device 
is connected, the power on display will be in CRT 
(or projector) only mode. Otherwise it will be in 
LCD only mode.
Both: Simultaneously enable both the integrated 
LCD screen and the system’s external video port 
(for an external CRT or projector).Option: 
Auto or Both
LCD Auto Dim Determines if the system will automatically dim 
the LCD brightness in order to save power when 
AC is not present.Option: 
Enabled or Disabled
F12 Boot Menu Selects the F12 boot menu function.
Option: 
Enabled or Disabled
Legacy USB Support Selects legacy USB support.
Option: 
Enabled or Disabled 
						

							32Chapter 2
Advanced
The Advanced menu screen contains parameters involving your hardware devices. It also provides advanced 
settings of the system.
The table below describes the parameters in the screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionOptions
Infrared Port Selects serial port address and IRQ.
Disabled/Enabled/Auto
Parallel Port Selects parallel port address and IRQ.
Enabled/Disabled/Auto
Mode Allows user to specify the operating mode of parallel 
port.
Note: Shows up if Parallel Port is set to Auto or 
Enabled.
ECP, EPP, Bi-directional, or Output 
only
Base I/O address Allows the user to choose the resource if the 
‘Parallel Port’ is set to ‘Enable’.
Note: Shows up if Parallel Port is set to Enabled.
378h/278h
Interrupt Sets the interrupt request of the parallel port.
IRQ7/IRQ5
DMA channel Sets a DMA channel for the printer to operate in 
ECP mode.
Note: Shows up if Mode is set to ECP.
DMA3/DMA1