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If you are comfortable working inside the set, locate the flyback transformer (part with large red wire coming out the top.) This part should have 2 controls on it. One should be labeled screen and the other focus. Try adjusting the focus control a bit. If that fails to resolve the focus, please update this with the make and model and additional details will be supplied.
The convergence ICs are starting to go and need replaced ASAP. I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which explains the problem, how to fix it and where to get the parts. Let me know if you need more help. Thanks for using FixYa and for the great rating.
hi, look for the degauss button and use it. the screen will go distorted a little then return to a good picture. if the condition you mention still exists, you need a new one. i do not think it is worth repair.as the cost of a new one is alot lower than in the past. i hope this helps you. good luck! and please rate this solution. if you need further help, reply.
Look,followsteps and you wil repair this set. Disconnect main board ( fly back), take care about connectors. Under fly back you will see loose connections, resolder and that's it Am sure this is your solutions.You need do this soon, because fuse will be blown if keep blink picture, Thank you
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