Not sure if this has been made available here before, it`s around 5 yrs old. I`m posting it as a source for learning some of the complexities of LCD Projectors. Altho it`s made by Sanyo, most of the principles apply to projectors of all makers. This program needs to be burnt and run from CD. It offers a control box to Play, Pause, Fast Forward, change topic etc. My compliments to the author. perhaps it is copyright, but hey, if they can make public, any government`s past war attrocities after a 50 year timespan, i guess a 5 yr timespan on LCD projector secrecy is good enough. And not forgetting, our projectors drastically reduce in value in a very short space of time, but service and parts costs never do. We are forced to try fix em ourselves. Program Features: Ansilumens & Optical Uniformity Basic Manual (.pdf file) Basic Lcd Course Computer Menu's Course Introduction Direct Operation Display Formats Eyecare Fixed Connectivity Lamp and Filter EF10 Fixed Lamp and Filter SU10B Portable Lamp and Filters XR70 Lamps and Supplies LCD Panels Lenses & DRWFormula Light basics Mechanical Disassembly Model Specification Chart Optical Adjustments Optical Disassembly and Cleaning Optical Engines Portable Connectivity Printing Manuals Projector Guide Demo RS232 & Mouse Control Temperature Sensing XR70 Connectivity XR70 Intro Includes: Ntest from Nokia (This can be installed as a seperate program to calibrate the PJ via PC, mouse functional) Start-up Geometry Brightness and Contrast Convergence Focus Resolution Readability Moire Colours Screen Regulation BTW i originally bought this cd from ebay. You will need Winrar to extract the files and both parts are needed. Part 1 is 98 MB Part 2 is 62 MB http://rapidshare.de/files/15131210/Sanyo_LCD_Projector_Repaircourse_VIDEO.part1.rar.html http://rapidshare.de/files/15127174/Sanyo_LCD_Projector_Repaircourse_VIDEO.part2.rar.html If you`re not familiar with Rapdshare. Just click on the button `Free` halfway down the page. A new page will open containing a clickable link to download. This program needs to be burnt onto CD. Back-up as Data is fine. It will autorun when loaded.