Acer AL1911 User Manual

1
AL1911 TFT LCD MONITOR
CONTENTS
1. INTRODUCTION................................................................................................................................ 3
1.1 Scope............................................................................................................................................................................3
1.2 Description..................................................................................................................................................................3
2. ELECTRICAL REQUIREMENTS......................................................................................................... 4
2.1 Standard Test Conditions .........................................................................................................................................4
2.2 LCD monitor General specification.........................................................................................................................4
2.3 LCD Panel Specification ...........................................................................................................................................5
2.4 Input Signals.............................................................................................................................................................10
2.5 Controls.....................................................................................................................................................................14
2.6 White Color Temperature .......................................................................................................................................16
2.7 Power Management .................................................................................................................................................17
2.8 Plug & Play(EDID)...................................................................................................................................................18
2.9 Audio Technical specification.................................................................................................................................18
3. VL-901 DISPLAY CONTROL BOARD............................................................................................... 19
3.1 Description................................................................................................................................................................19
3.2 Features.....................................................................................................................................................................19
3.3 Block Diagram..........................................................................................................................................................19
3.4 Connector Locations................................................................................................................................................21
3.5 Connector Type.........................................................................................................................................................21
3.6 Connector pin assignment ......................................................................................................................................21
4. VK906 Control Panel Board............................................................................................................ 24
4.1 Description................................................................................................................................................................24
4.2 Connector and Switch Locations............................................................................................................................24
4.3 Connector type..........................................................................................................................................................24
4.4 Connector pin Assignment......................................................................................................................................24
4.5 Switch definition.......................................................................................................................................................25
4.6 LED definition...........................................................................................................................................................25
5. POWER SUPPLY (VI-902) ............................................................................................................... 26
5.1 Electrical specification............................................................................................................................................26
5.2 Pin Assignments........................................................................................................................................................27
6. VM-902 AUDIO BOARD................................................................................................................... 28
6.1 Description................................................................................................................................................................28
6.2 Connector Locations................................................................................................................................................28
7. TROUBLESHOOTING ..................................................................................................................... 30
7.1 Main Procedure........................................................................................................................................................30
8. MECHANICAL REQUIREMENTS...................................................................................................... 36
8.1 Vibration and Shock ................................................................................................................................................36
8.2 Package Drop Specification ...................................................................................................................................36
8.3 Dimension Size and Weight....................................................................................................................................37
8.4 Gap Spec....................................................................................................................................................................37
8.5 Tilt Base Rotation.....................................................................................................................................................39
8.6 Swivel Base Rotation ...............................................................................................................................................39
8.7 Plastic Material........................................................................................................................................................40
8.8 GAP Spec. ..................................................................................................................................................................40
9. Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst).................................................. 40
9.1 Peak Voltage.............................................................................................................................................................40
9.2 Polarity .....................................................................................................................................................................40
9.3 Repetition Frequency of the impulse ....................................................................................................................40
9.4 Rise-Time ..................................................................................................................................................................41
9.5 Impulse Duration......................................................................................................................................................41
9.6 Relation to Power Supply........................................................................................................................................41
9.7 Burst Duration..........................................................................................................................................................41
9.8 Burst Period..............................................................................................................................................................41
9.9 Climatic Conditions .................................................................................................................................................41

Acer AL1911 Specifications

General

Screen Size	19 inches
Resolution	1280 x 1024
Panel Type	TN
Aspect Ratio	5:4
Brightness	250 cd/m²
Contrast Ratio	500:1
Response Time	8 ms
Connectivity	VGA
Input	Analog

Summary

2. ELECTRICAL REQUIREMENTS

2.1 General Electrical Specifications

2.4 Input Signals and Interfaces

Covers video/sync signals, interface frequencies, supported timings, and connector details.

2.5 Controls and OSD Functions

Explains front panel controls, OSD functions, and descriptions.

2.7 Power Management

Details VESA DPMS compliance, power consumption, and power connector type.

3. VL-901 DISPLAY CONTROL BOARD

3.1 Description and Features

Explains the board's purpose, features like microprocessor, memory, and language support.

3.3 Block Diagram

3.4-3.6 Connector Information

4. VK906 Control Panel Board

4.1 Description

4.2-4.4 Control Panel Connectivity and Controls

5. POWER SUPPLY (VI-902)

5.1 Electrical Specifications

Covers AC/DC circuit input/output, inverter circuit, and DC outputs.

5.2 Pin Assignments and Requirements

7. TROUBLESHOOTING

7.1 Troubleshooting Procedures

Outlines main procedure flowcharts for power, backlight, performance, and function issues.

9. Power Line Transient Test (IEC 61000-4-4)

9.1-9.10 Test Parameters and Procedure

Specifies test parameters like peak voltage, polarity, duration, and the overall test procedure.

10. Power Line Surge Test (IEC 61000-4-5)

10.1 Climatic Conditions and 10.2 Test Conditions

12. REGULATION COMPLIANCE

12.1 Regulatory Compliance Standards

Lists various safety, EMC, and ergonomic standards the product complies with.

12.2 Electrostatics Discharge (ESD) Test

Details the ESD test procedure, voltage levels, and criteria based on IEC 61000-4-2.

13. QUALITY AND RELIABILITY

13.1 Quality Assurance

13.2 Reliability