Acer AL532UG Schematic

CONTENT

F.C.C. statement
Important safeguards

Chapter 1 Introduction

1.1 Features...............................................................................1

1.2 Checking List........................................................................1

Chapter 2 Installation

2.1 Connect your monitor to computer.....................................2

Chapter 3 Over view of your monitor

3.1 Front Panel over view....................................................3

3.2 Rear panel over view....................................................3

Chapter 4 Operation

4.1 Power ON/OFF switch........................................................4

4.2 Power indicator................................................................4

4.3 Volume ...........................................................................4

4.4 Menu features.................................................................4

4.5 OSD menu...........................................................................5

4.6 Preset modes timing chart................................................7

Chapter 5 Technical information

5.1 Products Specifications

5.2 Signal Connector Pin Assignment......................................9

5.3 Troubleshooting...................................................................10

........................................................8

FEDERAL COMMUNICATIONS

COMMISSION(F.C.C)STATEMENT

This equipment has been tested and found to comply with the limits of a Class

B digital device. Pursuant to Part 15 of the FCC Rules. These limits are designed

to provide reasonable protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio frequency

energy and, if not installed and used in accordance with the instructions, may

cause harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If this

equipment does cause harmful interference to radio or television reception,

which can be determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the following

measures:

1. Reorient/Relocate the receiving antenna.

2. Increase the separation between the equipment and receiver.

3. Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

4.Consult the dealer or an experienced radio/TV technician for help.

CAUTION:

IMPORTANT SAFEGUARDS

Warnings::

1. Read all of these instructions.

2. Unplug this monitor from the wall outlet before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a damp cloth for cleaning.

3. Do not use this monitor near water. For example near a bathtub, washbowl, kitchen

sink, or laundry tub, in a wet basement, or near a swimming pool, etc...

4. Do not place this monitor on an unstable cart, stand, or table. The monitor may fall,

causing serious injury to a child or adult, and serious damage to the appliance. Use
only with a cart or stand recommended by the manufacturer or sold with monitor.

Wall or shelf mounting should follow the manufacturer's instructions, and should use

a mounting kit approved by the manufacturer.

5. Slots and openings in the cabinet and the back or bottom are provided for ventilation,
and to insure reliable operation of the television receiver and to protect it from overheating,
these openings must not be blocked or covered. The openings should never be blocked by
placing the monitor on a bed, sofa, rug, or other similar surface. This monitor should never

be placed near or over a radiator or heat register. This monitor should not be placed in built-in
installation such as a bookcase unless proper ventilation is provided.

6.Do not allow anything to rest on the power cord. Do not locate this monitor where the cord will

be abused by persons working on it.

7.Never push objects of any kind into this monitor through cabinet slots as they may touch

dangerous voltage points or short out parts that could result in a fire or electric shock. Never
spill liquid of any kind on the monitor.

8.Do not attempt to service this monitor yourself since opening or removing covers may expose

you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.

9.Unplug this monitor from the wall outlet and refer servicing to qualified service personnel under

the following

conditions:
a. When the power cord or plug is damaged or frayed.
b. If liquid has been spilled into the monitor.
c. If the monitor has been exposed to rain or water.
e. If the monitor has been dropped or the cabinet has been damaged.

f. When the monitor exhibits a distinct change in performance this indicated a need for service.

Introduction

Chapter 1

Introduction

Introduction

1.1 Features

RMulti-scanning at horizontal frequencies of and

vertical frequencies of 56Hz to 75Hz

RMicroprocessor based with OSD (On Screen Display) control.

RCompatible with standard IBM VGA ,extended VGA,super VGA, IBM XGA

modes, as well as VESA resolution standards.

RUniversal power supply.

RTCO 99 compliant.

RMicrosoft windows 9x/2000 compatible & VESA Display Data Channel

(DDC)1/2B compatible.

31KHz to 60KHz

.

1.2 Checking List

Please make sure the following items are included with your LCD monitor:

R

Your monitor

R

AC Adapter

R

AC Power cord
Signal cableR

Raudio cable

If any of these items are missing ,please contact with your dealer for
technical support and customer service.

Note:

1

Chapter 2

Installation

2.1 Connect your monitor to computer

1. Turn off your computer and unplug its power cable.

2. Connect the signal cable to the video port on the back of your

computer.

3. Connect the power cable for your monitor to the DC adapter and

connect the adapter the DC power jack on the back of your monitor.
You must use the supplied adapter.

4. Plug the computer and monitor power cables into a nearby outlet.

5. Turn your computer and monitor on , if your monitor display an image ,

you have successfully installed the monitor. If the monitor does not
display an image ,check all the connections.

Installation

Connecting the monitor to the computer and the power supply

2

Over view of your monitor

3.1 Front Panel over view

Chapter 3

Over view of your monitor

212 3 45

1.Menu Button

2.Select Button

3.Auto Button

3.2 Rear panel over view

MENU

AUTO

4.Power Button

5.Power indicator

1. Signal cable

2. Power jack

3. Audio in

3

Chapter 4

OPERATION Direct - Access Features

OPERATION Direct - Access Features

This button is used to turn the monitor on and off.

This indicator lights up green when the monitor op erates normally. if the

monitor is in power saving mode ,this indicator change to amber
when monitor is turn off ,this indicator change to dark.

This feature adjust the button to increase the volume and adjust button
to decrease the volume .

The following features can all be accessed using your monitors on screen
menu system. Once are finished. Making adjustments to a feature, pushing
the exit button to turn off the menu

Please follow the procedure of selection and adjust an item using the OSD
system as below steps for main functions adjustment.

Press <Menu Button> to activate the OSD menu.
Press Select Button < or Select Button > to scroll the highlight
through the main function list.
When the desired function is highlight, press Menu Button a second

time, the sub-menu(second page) will appear nearby main menu.

Press Menu Button and release again, the highlight of adjusted items

and scroll bar will change the color from pink to blue.

To make your adjustment , press clockwise to increase

or counterclockwise to decrease the setting.

Press and release Menu Button again to store the change. You can

select other function to make adjustment by < or > . Also you can
select EXIT icon and press Menu Button again to go back main Menu.

Repeat step 2 through 6 to make further adjustments.

OPERATION Direct - Access Features

<>

or

4

OPERATION Direct - Access Features

1. Main menu

OSD main menu of controls gives you an overview of the selection of controls
available. When you want to make adjustment of the screen Image , press and
release button Menu

BRIGHTNESS

2. Brightness

Adjust the overall image and background screen brightness.

3. Contrast

Adjust the image brightness in relation to the background.

4. H. Position

To move the picture image horizontally left or right.

5. V. Position

To move the picture image vertically up or down.

6. H. Size

To increase or decrease the horizontal size of image.

7. Phase

To improve focus clarity an image stability.

8. Color Select

Color Select Menu

5

OPERATION Direct - Access Features

RED

Select user mode

User color you can adjust to individual color gum intensity by yourself. Increase or
decrease red .green or blue depending upon Which color is selected .

This control adjusts the color temperature of the screen image this item are preset
by factory , you can not adjust these setting. The performance is bluer and brighter.

The performance is redder and closer to paper white.

9. Auto

Auto adjust display mode to its utmost performance according to VGA setting.
In the event of the display image needs further adjustment .

10. Reset

Reset the currently highlighted control to the factory setting . User must be using
factory preset video mode to use this function.

11. Language

You can choose one of the seven language you need.

12. OSD

You can choose where you would like OSD image to appear on your screen.

H-Position :

To move the OSD image horizontally left or right.

V-Position :

To move the OSD image vertically up or down.

Exit :

To exit the sub menu

6

OPERATION Direct - Access Features

4.6 Preset Modes Timing Chart

Resolution

720X400

640X480
640X480
640X480
800X600

800X600
800X600
1024X768
1024X768

1024X768

Horizontal

31.47KHz

31.47KHz

37.86KHz

37.5KHz

37.88KHz

48.08KHz

46.87KHz

48.36KHz

56.48KHz

60.02KHz

Vertical

70Hz
60Hz

72.8Hz
75Hz

60.3Hz

72.2Hz
75Hz

60Hz

70.1Hz
75Hz

7

OPERATION Direct - Access Features

5.1 Products Specifications

Inch Size

Max. Resolution

Recommend Resolution

Horizontal Freq.

Vertucal Freq.

Active Display Area

DOT Pitch

Display Color

Contrast Ratio (Typical)

Luminance of White

Bandwidth

User Control

OSD Functions

View Angle

Adapter power input

Power Consumption(under)

Connector Signal

Safety & EMI

Dimension(Packing)

Weight Gross/Net

Multimedia Feature

Input Sensitivity

15

1024*768@75Hz

1024*768@60Hz

31-60KHz

56-75Hz

304*228mm

0.297*0.297mm

16.7M

500

300 cd/m

80MHz

4KeySw

Brightness, Contrast, H-positin, V-position

H-Size, Phase, Color, Auto,

Reset, Language, OSD,Exit,

140 degree

120

100V to 240V

D-sub 15Pin

UL/CUL, TUV/GS, CE, FCC/DOC

CB, VCCI, TCO99, BSMI, C-Tick,

B Mark, PSB, CCC, 13406-2

418(W)x421(H)188(D)mm

4.8KG/3.3KG

2W+2W

220mV

2

degree

36W

8

Chapter 5

Technical Information

Technical Information

5.2 Signal connector pin assignment

Signal(D-sub) Signal(D-sub)

PIN

PIN Signal (D-sub) PIN Signal (D-sub)

1 Red 9 No connection
2 Green 10 Ground
3Blue 11Ground
4 Ground 12 SDA (FOR DDC)
5 Self Test 13 H. Sync
6 Red Ground 14 V. Sync
7 Green Ground 15 SCL (FOR DDC)
8BlueGround

Signal connector

PIN

5VDC

Technical Information

9

Technical Information

5.3 Troubleshooting

Before calling for service , check the information in this section to see if you
can remedy any problems by yourself. If you need assistance, please call the
dealer where you purchased the LCD monitor.

There is no SCREEN image

The power cord is securely connected the monitor, the adaptor, and

u

the wall outlet.

Check the signal cable connection between the monitor and the

u

computer.

Adjust the brightness and contrast controls.

u

Monitor in power sawing mode.

Display image is too large or small

Use the OSD controls to adjust AuTo SETup.

u

The colors are distored

Signal cable properly connected

u

Use OSD controls to adjust the color control setting.

u

The image is too light or too dark

Use OSD controls to adjust the brightness and contrast.

u

There is no sound or sound is low

Check the sound cable connection

u

Make sure the computer sound program is working

u

Adjust the volume on sound setting. Adjust your sound card or

u

computer volume setting.

Adjust the volume control keys on the monitor

u

.

10