Hi I have an Ask C105 LCD projector which seems to have a convergence problem with the red being out of line with the rest of the image... Ive checked the optic track for mirrors, LCD allignment and spoke with another firm in London who say it is a common fault with this model. Ive tried re-flashing the firmware from a computer but it the computer does not seem to want to respond to the projector or vice versa ( I used an 8 pin mini din plug to mouse input and tried both serial and usb outputs on the laptop and a desk top PC. Is there a fix for this.... anyone.... hhheeeelllllpppp!
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If you are having "shadowing", this indicates a convergence problem in the LCD optical engine. Convergence is the correct alignment of all panels so there is no shadowing, or at worst limited to a one pixel shift. Some models can be adjusted, others cannot depending on the optical engine.
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This could be either a connection problem internally or a problem with the red filter convergence. This is not a project to be attempted by an inexperienced person. The convergence adjustments should only be attempted with the proper setup and equipment. If you can solder, carefully open up the unit and look for poor solder joints and resolder them. You can also reseat all of the connectors and cables. If neither of the above ersolve the problem, take it in for service.