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 - Page 6

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