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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there are 3 LCD panels in the projector.
red panel,green panel and blue panel
I seems that the red panel is failing
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We can check if the problem is on the hardware(projector) itself or if from source(device connected to projector) try to turn on projector without connecting any other devices to it. If you can still see the pink line- try to remove bulb and reinstall it. If all fails and pink line still visible, there is a problem with projector. If no line is present- check settings and change input signals.
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.
I think that projector used three different LCD panels with red, blue and yellow. You probably have a damaged red LCD panel, and if so, it is not worth getting the projector fixed. Those panels were really expensive back then. I once had that red problem with a projector and it turned out to be a bad connection on one end of the "computer to projector" cable. Borrow one from a friend and see if it solves the problem.