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Hi, There should be a convergence adjustment on this set. It will have a "cross hair" type pattern You adjust the beams so that the cross hairs turn white. I believe Green is not adjustable intentionally. The procedure is to adjust the vertical Red line until it alligns with the Green line. Then adjust the vertical Blue line until it lines up with the Red and Green. The line should turn White. Repeat the procedure for the horizontal lines. When you return to regular viewing mode the double images should be greatly reduced or eliminated.. Hope I've helped you, Best Regards, Mark
One of your convergence IC's has burned out and needs to be replaced. A good rule here is to go ahead and replace both STK392-110 IC's with the new improved STK392-150's. If you have never replaced convergence IC's and realigned convergence circuits, allow a qualified tech to handle it for you. When I do a housecall for a set like that I charge $150 but shops in your area will vary so ask around.