Acer AL1931 Support and Manuals
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AL1931 Service Guide - Page 1
... 8.1 Climatic Condition ...44 8.2 Test Conditions: ...44 8.7 Display set high-resolution mode, AC input use AC 240V 44
1 ELECTRICAL REQUIREMENTS...3 2.1 Standard Test Conditions ...3 2.2 LCD monitor General specification...3 2.3 LCD Panel Specification ...4 2.4 Input Signals ...11 2.5 CONTROLS ...16 2.6 White Color Temperature ...20 2.7 POWER SUPPLY ...21 2.8 Plug & Play (EDID) ...23 2.9 Audio...
AL1931 Service Guide - Page 3
... the requirement of speakers. INTRODUCTION
1.1 Scope
This specification defines the requirements for the 19" MICRO-PROCESSOR based Multi-mode supported high resolution color LCD monitor, Monitor can support multi-media function as Composite signal and S-Video signal input.
1.2 Description
The LCD monitor is also a space saving design, allowing more .
2 Monitor also can be directly connected to...
AL1931 Service Guide - Page 4
..., directly Connected to the monitor under the following conditions, unless otherwise specified. Ambient light: Viewing distance : Warrn up time All specifications: Fully functional: Measuring Equipment:
Control settings User brightness control: User contrast control: User red/white balance, Green/white balance and Blue/white balance control: Power input : Ambient temperature : Analog...
AL1931 Service Guide - Page 17
... 75 ohm terminated
: NTSC/PAL
2.5 CONTROLS
A brief description and the location of all LCD Monitor functions controls and indicators:
543
2
1
Figure 2-1
1 Stereo Speakers
PC Audio Stereo output.
1. Press the soft power switch to increase the OSD setting.
1. Monitor is OFF.
1. Power is in "Power Saving Mode". Direct press either left or right
4
Function Select and Adjustment...
AL1931 Service Guide - Page 22
..., LSE9901B1260 BLK) (PK100005010, LSE9901B1260 IVO)
2.7.1 Input Voltage Range
The monitor shall operate within specification over the range of 90 to 265 VAC power supply.
2.7.2 Input Frequency Range
Input power frequency range shall be from 47.5 to 63 Hz over the specified input voltage range.
2.7.3 Quick specification review
• Input current 1.2A (max) at 90VAC input and full...
AL1931 Service Guide - Page 26
... signals so as to construct a high display quality LCD monitor.
3.2 Features • On board embedded micro-processor to detect display timings and control
user functions.
• Using PixelWorks PW131 design to generate optimum LCD timings.
2
• Using E PROM to memorize every adjusted parameter. • Support up to 13 display modes from VGA to SXGA. •...
AL1931 Service Guide - Page 32
...-UP KEY-DOWN
Comment Power saving mode Monitor is designed to offer a user interfaced control panel which passes and receives signals to and from VL-903 display control board.
4.2 Connector and Switch Locations
4.3 Connector type
Location
Type
J1
4500-5
J4
4500-8
J3
87502-0200
J2
87502-0200
D5
LED
Maker E&T E&T ACER ACER LED
Number of...
AL1931 Service Guide - Page 43
Note :
7.10.1
IEC 61000-4-4 defines that power supply, I/O line, and control line all shall be ...:
The monitor Display set high-resolution mode, AC input use AC 240V. 7.2 Polarity : + / 7.3 Repetition Frequency of the impulses within one burst.
42 Relative Humidity: 45% to 35°C - Ambient Temperature: 15°C to 75% - Atmospheric Pressure: 86 kPa to Power Supply: Asynchronous...
AL1931 User Guide - Page 1
... the AC Power...3 Connecting the Audio Cable ...3 Connecting the AV and S-Video cable 3 Setting Up the LCD Monitor...4 Power Management System ...4
Chapter 2 Display Controls 4
User Controls ...4 Adjusting the Monitor's Display...5 Function Description ...5
Chapter 3 Technical Information 7
Specifications ...7 Standard Timing Table...10 Troubleshooting ...10
Preface
This manual is designed...
AL1931 User Guide - Page 2
...
the LCD Monitor and base and screw it . 3. This manual should be retained for sufficient airflow. Store LCD Monitor in the box:
* LCD Monitor
* User's Manual
* 1.8M Monitor-to-PC VGA Cable
* AC Adapter
* 1.8M Monitor-to-PC DVI-D Cable
* 1.8M Power Cord
* 1.8M Stereo Jack Audio Cable
* 1.8M S-Video Cable
* 1.8M RCA Jack Audio Video Cable
If you open the box to service this...
AL1931 User Guide - Page 3
...from
reaching the LCD Monitor. Power Cord AC Adapter
DC Power Jack
Figure 1-6
Warning:We recommand to install a "Surge Protector" device between the AC Adapter and the electrical wall
outlet for this LCD display has ... LCD Monitor package.
Connect the AV cable to RCA Jack and follow the color and the other end of your PC. 4.
These specifications meet the VESA Flat Panel Monitor...
AL1931 User Guide - Page 4
... is connected to switch the monitor ON/OFF.
2
Soft Power Switch (DC Power-On Indicator)
2. Press the Auto Buttons over 2 second the Monitor Searching next source.
1.
Press the Auto Buttons Monitor will light yellow. Setting Up the LCD Monitor
1.Make sure the AC power cord is off --- signal. When the LCD Monitor is in power saving mode, the monitor screen will be blank and...
AL1931 User Guide - Page 8
...
500mVrms
Audio Power Output
1Wrms + 1Wrms Max
Speaker
2W 8Ω x 2
Composite Signal and S-Video Signal Support
Input Signal
...save settings in memory
OSD Format
20 characters x 9 rows
Power Management
Mode
Power Consumption* AC ...Power off
* Meeting VESA DPMS requirements measured from AC Input end of AC adapter. input through AC/DC adapter... Mode Setup
Use EEPROM to 85%
8...
AL1931 User Guide - Page 9
S-Video 9
Power Supply (AC Input) Input Voltage Input Current Size and Weight
Dimensions Net Weight Gross Weight
Single phase, 100 ~ 240VAC, 50 / 60...
Green
7 Green Rtn
12
SDA
5
15
3
Blue
8 Blue Rtn
13
H. C6
GND
9
RX1-
18
RX0+
Composite Video: Monitor rear side RCA female (Yellow). Yellow for Video White and Red for TMDS Channel clock
5
NC
14
+5V
23
RXC+
6
SCL
...
AL1931 User Guide - Page 10
...
-/- VGA-480
-/-
Attention
This LCD Monitor Supports Multiple VGA Modes. PROBLEM Picture is unclear and unstable
The picture is not connected to LCD monitor at all connections are , take advantage of modes supported by this LCD monitor will display a
message "No Input Signal".
10 Refer to "Phase" function in
the Standard Timing Table or replace the VGA card, and then...
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