Acer AL1931 Manual

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1AL1931(AM939) TFT LCD MONITORCONTENTS1. INTRODUCTION .......................................................................................................................................... 21.1 Scope.................................................................................................................................................... 21.2 Description ............................................................................................................................................ 22. ELECTRICAL REQUIREMENTS................................................................................................................. 32.1 Standard Test Conditions ..................................................................................................................... 32.2 LCD monitor General specification....................................................................................................... 32.3 LCD Panel Specification ....................................................................................................................... 42.4 Input Signals ....................................................................................................................................... 112.5 CONTROLS ........................................................................................................................................ 162.6 White Color Temperature ................................................................................................................... 202.7 POWER SUPPLY ............................................................................................................................... 212.8 Plug & Play (EDID) ............................................................................................................................. 232.9 Audio Technical specification ............................................................................................................. 243. VL-903 DISPLAY CONTROL BOARD...................................................................................................... 253.1 Description .......................................................................................................................................... 253.2 Features.............................................................................................................................................. 253.3 BLOCK DIAGRAM .............................................................................................................................. 263.4 Connector Locations........................................................................................................................... 273.5 Connector Type .................................................................................................................................. 273.6 Connector pin assignment .................................................................................................................. 284. VK-903 Function Control key Board....................................................................................................... 314.1 Description .......................................................................................................................................... 314.2 Connector and Switch Locations ........................................................................................................ 314.3 Connector type ................................................................................................................................... 314.4 Connector pin Assignment.................................................................................................................. 314.5 Switch definition .................................................................................................................................. 324.6 LED definition...................................................................................................................................... 325. TROUBLESHOOTING ............................................................................................................................... 335.1 Main Procedure .................................................................................................................................. 336. MECHANICAL REQUIREMENTS ............................................................................................................. 386.1 Vibration and Shock............................................................................................................................ 386.2 Package Drop Specification ............................................................................................................... 386.3 Dimension Size and Weight................................................................................................................ 396.4 Gap Spec. ........................................................................................................................................... 396.5 Tilt Base Rotation ............................................................................................................................... 416.6 Plastic Material.................................................................................................................................... 416.7 GAP Spec. .......................................................................................................................................... 417. Power Line Transient Test (IEC 61000-4-4 Fast Transients/Burst) ..................................................... 417.1 Peak Voltage:...................................................................................................................................... 417.2 Polarity : + / -................................................................................................................................ 427.3 Repetition Frequency of the impulse : 5 KHz. .................................................................................... 427.4 Rise-Time : 5ns± 30% ..................................................................................................................... 427.5 Impulse Duration: 50 nS± 30% .......................................................................................................... 427.6 Relation to Power Supply: Asynchronous .......................................................................................... 427.7 Burst Duration: 15 ms± 20%.............................................................................................................. 427.8 Burst Period: 300 ms± 20% ............................................................................................................... 427.9 Climatic Conditions: ............................................................................................................................ 427.10 Test Procedure: .................................................................................................................................. 428. Power Line Surge Test (IEC 61000-4-5 Surge) ...................................................................................... 448.1 Climatic Condition ............................................................................................................................... 448.2 Test Conditions: .................................................................................................................................. 448.7 Display set high-resolution mode, AC input use AC 240V. ................................................................ 44