Acer AL722 Manual

Also see for AL722: User manual Manual

Contents

Acer AL722 Manual Manual pdf 1 page image

1. ELECTRICAL REQUIREMENTS..................................................................... 2A. LCD Panel Specification............................................................................................................................................2B. CONTROLS ..............................................................................................................................................................3C. Power Management ...................................................................................................................................................3D. Display Modes FOR Inspections ...............................................................................................................................42. VL-710 DISPLAY CONTROL BOARD............................................................. 5A. Description.................................................................................................................................................................5B. Features......................................................................................................................................................................5C. BLOCK DIAGRAM..................................................................................................................................................5D. Connector Locations ..................................................................................................................................................6E. Connector Type..........................................................................................................................................................6F. Connector pin assignment..........................................................................................................................................63. VK-715 Control Panel and Audio Board ............................................................ 9E. Description.................................................................................................................................................................9F. Electrical characteristics (Tamb=25°)........................................................................................................................9G. Connector and Switch Locations ...............................................................................................................................9H. Connector and Switch Locations ...............................................................................................................................9I. Connector pin Assignment.........................................................................................................................................10J. J2................................................................................................................................................................................10K. Switch definition........................................................................................................................................................11L. LED definition ...........................................................................................................................................................11M. Variable resistor .........................................................................................................................................................114. DC/DC POWER and Audio CKT VM-517 ........................................................ 12A. Input:..........................................................................................................................................................................12B. Output: .......................................................................................................................................................................12C. Efficiency: 80% min at Maximum Load....................................................................................................................12D. Connector Locations ..................................................................................................................................................12E. Connector type for VM-515.......................................................................................................................................12F. Connector pin Assignment.........................................................................................................................................135. PK070011400/LIENHANG INVERTER BOARD............................................. 14A. Description.................................................................................................................................................................14B. Electrical characteristics ............................................................................................................................................14C. Connector locations ...................................................................................................................................................15D. Connector pin Assignment.........................................................................................................................................156. AC Adapter (LSL9901B12320) ............................................................................ 16A. Quick specification review ........................................................................................................................................167. CIRCUIT DESCRPTION .................................................................................... 16A. Display-Controller .....................................................................................................................................................16B. Circuit of Plug and Play.............................................................................................................................................16C. Power Regulator ........................................................................................................................................................168. Introduction ........................................................................................................... 17A. Front Panel Control and Led......................................................................................................................................17B. Rear Panel connector Input Signals ...........................................................................................................................18C. Rear Panel Cable and Connector ...............................................................................................................................189. TROUBLESHOOTING........................................................................................ 19A. Main Procedure..........................................................................................................................................................19Appendix A: Parts Lists ----------------------------------------------------------------------------------------24Appendix B: Display Unit Assembly ------------------------------------------------------------------------29Appendix C: P.C.B.A Assembly ------------------------------------------------------------------------------391