Acer AL1911 AL1911 Service Guide - Page 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 1