SOURCE: mixed colors and separation of colors
Common problem known as convergence. The most common reason is the failure of convergence ics. these ics fail all the time because there big and get fairly hot. there is a possiblity that it can be reconverged if the convergence cuircit is not damaged
SOURCE: samsung rear projection tv has multiple images with differnet colors
The auto self focus screws up if the picture does not remain constant or close to it while focusing. It is designed to self focus every fifteen minutes. Go to menu and then setup and turn the auto focus feature off. I have had mine off for the past year and have had no problems. If you slide the bottom portion of the remote down you will see a self focus button. My suggestion is to put a DVD in and hit the pause button during a scene and then hit the self focus button. It should align back up and may take a couple of tries. (If you have an aftermarket remote, just enter the menu and then setup and you can activate the self focus feature, just don't turn it to auto focus!)
SOURCE: Samsung STK392-010 ICs Convergence Issue.
Its a fairly straight forward repair. i would recomend getting your replacement Ics at the following link, as they provide free instaltion instructions with pictures, free shipping and free online instant messageing when you do the repair in case you need assistance. Heres the link.
http://servicemanuals.vstore.ca/
SOURCE: 42H83 Convergence
Yes the convergence ICs need to be replaced, however so dont the six 1.8 ohm 1watt resistors as Toshiba recomends replacing those six resistors when the ICs are changed. You can get the 50H71 / 50H82 Convergence repair kit as the 42H83 is identical to the 50H71 series, so the kit will work for your model. Heres the link where you can get the kit.
http://servicemanuals.vstore.ca/
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