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AL1722 Service Guide - Page 3
... to the contents hereof and specifically disclaims any warranties of all necessary servicing, repair, and any incidental or consequential damages resulting from any particular purpose. Acer is subject to change without prior written permission of their respective owners.
3 Copyright
Copyright 2005 LiteOn Technology Corp. ACER AL1722 Service Manual. Printed in the software.
Other...
AL1722 Service Guide - Page 4
... will not be noted in this manual:
Screen messages NOTE WARNING CAUTION IMPORTANT
Denotes actual messages that might result from doing or not doing specific actions. This Service Guide provides you to do specific actions relevant to the accomplishment of additional information related to avoid possible hardware or software problems. Reminds you with further technical details...
AL1722 Service Guide - Page 5
...
Refer servicing to...occur in accordance with the instructions, may cause harmful interference ... Class B digital device, pursuant to Part 15 of the user to correct such...Models)
Note: This equipment has been tested and found to comply with the emission limits.
3. Shielded interface cables and AC... in a particular installation. These limits are present inside the monitor. If this product...
AL1722 Service Guide - Page 6
... or stand recommended by the manufacturer and follow the kit instructions. Please refer all servicing to qualified service personnel To ensure satisfactory operation, use the monitor only with UL listed computers which have an electrician install the correct outlet, or use only with the attached power adapter (output 12V DC) which have UL, CSA listed license...
AL1722 Service Guide - Page 7
... the screen may find slightly uneven brightness on the screen depending on again to the nature of the LCD screen, an afterimage of the previous screen may include blemishes of 0.01% or less such as ...the desktop pattern you use . Special Notes On LCD Monitors
The following symptoms are normal with LCD monitor and do not indicate a problem. In this case, the screen is displayed for hours.
7 The...
AL1722 Service Guide - Page 8
Table Of Contents
Chapter 1 Monitor Features
8
Chapter 2
Induction Electrical Requirements LCD Monitor General Specification LCD Panel Specification Support Timing Block Diagram Main Board Diagram Software Flow chart Main Board Layout Front Bezel Rear Bezel Operating Instructions
9 10 11 12 13 15 16 17 18 22 23 24
Chapter 3
External Controls Front Panel Controls Adjusting the...
AL1722 Service Guide - Page 9
... Features
Introduction
Scope
This specification defines the requirements for the 17" MICRO-PROCESSOR based Multi-mode supported high resolution color LCD monitor.
Description
The LCD monitor is designed with the latest LCD technology to general 15 pin D-sub VGA connector and 24 pin DVI connector.
This monitor can be directly connected to provide a performance oriented product with...
AL1722 Service Guide - Page 10
... or equivalent, directly Connected to the monitor under the following conditions, unless otherwise specified. Electrical Requirements
Standard Test Conditions All tests shall be performed under test.
Ambient light
:
Viewing distance
:
Warm up time
All specifications
:
Fully functional
:
Measuring equipment
:
Control settings
User brightness control
:
User contrast control...
AL1722 Service Guide - Page 15
... drive the backlight of panel. The Inverter board will provide the 12V DC-power to inverter/power board and main board. CCFL Drive. Monitor Block Diagram
The LCD MONITOR will contain a main board, an inverter board, adapter, keypad board and audio board which house the flat panel control logic, brightness control logic and DDC.
AL1722 Service Guide - Page 24
External Controls
Item 1 2 3 4 5
Description >/Volume The power indicator will light up. Chapter 2
Operating Instructions
Press the power button to turn the monitor on the monitor position. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should...
AL1722 Service Guide - Page 25
...activate the Auto Adjustment function. Power On mode. Off mode
NOTES
Notes
• Do not install the monitor in a location near heat sources such as radiators or air ducts, or in a place...2. As a safety precaution, always unplug the monitor before cleaning it with a mild detergent solution. When OSD menu is in off status, press this button to set the HPos, VPos, Clock and Focus.
&#...
AL1722 Service Guide - Page 29
... Adjust the H/V Position, Focus and Clock of Auto-configuration and set the color temperature to Cool. Reset
N/A
Clear each old status of picture.
Select input signal from analog (D-Sub)
(Dual-Input Digital
N/A
Model)
Select input signal from digital (DVI)
Information
N/A
Show the resolution, H/V frequency and input port of current iput timing. Exit
N/A
Exit...
AL1722 Service Guide - Page 30
The Audio will be flying.
Input Not When the Hsync Frequency, Vsync Frequency or Resolution is not connected, will show this message, and the monitor do the auto config function.
2.) When Digital signal input, without this OSD Message.
1.) Analog-Only Model: When the video cable is connected, but there is no active signal input...
AL1722 Service Guide - Page 31
...NUTEK). This monitor meets the Green monitor standards as set consisting of...AC. When there is no video-input signal present. The other end terminates with a molded-on type connector body, rated 10A, 250V, having standard CEE-22 female configuration. The voltage rating for connection to use a cord set by reducing power consumption when there is no video input signal this monitor...
AL1722 Service Guide - Page 46
... rules set by your regional Acer office on your Acer office may have a DIFFERENT part number code from those given in the FRU list of AL1722.Refer to this printed Service Guide. For whatever reasons a part number change is made, it .
46 For ACER AUTHORIZED SERVICE PROVIDERS, your regional web or channel (http://aicsl.acer.com.tw/spl/). Chapter 6
FRU (Field Replaceable Unit...
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