Acer AL511 AL511 Service Guide - Page 1

1. ELECTRICAL REQUIREMENTS 2 A. LCD Panel Specification...2 B. CONTROLS ...3 C. Power Management ...3 D. Display Modes FOR Inspections ...5 2. ADJUSTMENT CONDITIONS 6 A. Measuring Apparatuses Used ...6 B. Input Signal...6 C. Indication ...6 3. ADJUSTMENT OF POWER SUPPLY 6 4. ADJUSTMENT OF BOARDS 7 A. Connection Method ...7 5. VL-547 DISPLAY CONTROL BOARD 7 A. Description...7 B. Features ...7 C. Block Diagram (Control CKT)...8 D. Connector Locations...9 E. Connector Type ...9 F. Connector pin assignment...10 6. VK-546 CONTROL PANEL BOARD 13 A. Description...13 B. Connector and Switch Locations ...13 C. Connector type ...13 D. Connector pin Assignment ...14 7. POWER BOARD...15 A. Description...15 B. Electrical characteristics ...15 C. Connector locations...16 8. CIRCUIT DESCRPTION 17 A. Micro-Controller Circuit...17 B. Circuit of Plug and Play ...17 C. System Clock...17 D. Image Engine (Zoom)...17 E. Power Regulator...17 9. INTRODUCTION ...18 A. Front Panel Control and Led ...18 B. Rear Panel connector Input Signals ...19 10.TROUBLESHOOTING 20 A. Main Procedure ...20
APPENDIX A: DISPLAY UNIT ASSEMBLY 25 APPENDIX A: DISPLAY UNIT ASSEMBLY 35 1