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tried to adjust the convergence settings in the menu in the color adjustment in the tv menu. if can not adjust, you have bad either an open resistor or bad ic in the convergence circuit which control the color adjustment.
You have to get into whats called DCAM mode to manually converge the set if you don't see a menu option for convergence. Goto the site www.tvrepairkits.com - they have a DCAM article on their tips page.
Press "Menu" on the remote select the "Magic Focus" option in the Video menu or press the "Magic Focus" button on the front panel to adjust the convergence of the three picture tubes that create the proper color for the picture. Pressing the button on the TV initiates the automatic adjustment, and accessing the feature through the Video menu allows you to choose automatic or manual adjustment, though the "Automatic" setting must be selected for the button on the front of the TV to begin the process.
This set uses two convergence chips--both need to be replaced and the set adjusted----If you know how to do good soldering I can tell you where to look and what usually needs to be replaced---Parts cost should be less than 20 dollars if you buy the parts on Ebay---
Most shops charge 300 or more for this type of repair---I just returned home from a set with this type of problem---in home total repair 250 total---If you cannot do the repair I suggest you shop around and find someone who can do it in your home---any good repair person can do this in about 1 hour---I am getting ready right now to do another one near where I live.
IF YOU HAVE ANY QUESTIONS OR NEED ADVICE FEEL FREE TO ASK ME...I am here to help people.
use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.